$network_id'
),
'6.0.0'
);
}
return (int) get_network_option( $network_id, 'user_count', -1 );
}
/**
* Updates the total count of users on the site if live user counting is enabled.
*
* @since 6.0.0
*
* @param int|null $network_id ID of the network. Defaults to the current network.
* @return bool Whether the update was successful.
*/
function wp_maybe_update_user_counts( $network_id = null ) {
if ( ! is_multisite() && null !== $network_id ) {
_doing_it_wrong(
__FUNCTION__,
sprintf(
/* translators: %s: $network_id */
__( 'Unable to pass %s if not using multisite.' ),
'$network_id'
),
'6.0.0'
);
}
$is_small_network = ! wp_is_large_user_count( $network_id );
/** This filter is documented in wp-includes/ms-functions.php */
if ( ! apply_filters( 'enable_live_network_counts', $is_small_network, 'users' ) ) {
return false;
}
return wp_update_user_counts( $network_id );
}
/**
* Updates the total count of users on the site.
*
* @global wpdb $wpdb WordPress database abstraction object.
* @since 6.0.0
*
* @param int|null $network_id ID of the network. Defaults to the current network.
* @return bool Whether the update was successful.
*/
function wp_update_user_counts( $network_id = null ) {
global $wpdb;
if ( ! is_multisite() && null !== $network_id ) {
_doing_it_wrong(
__FUNCTION__,
sprintf(
/* translators: %s: $network_id */
__( 'Unable to pass %s if not using multisite.' ),
'$network_id'
),
'6.0.0'
);
}
$query = "SELECT COUNT(ID) as c FROM $wpdb->users";
if ( is_multisite() ) {
$query .= " WHERE spam = '0' AND deleted = '0'";
}
$count = $wpdb->get_var( $query );
return update_network_option( $network_id, 'user_count', $count );
}
/**
* Schedules a recurring recalculation of the total count of users.
*
* @since 6.0.0
*/
function wp_schedule_update_user_counts() {
if ( ! is_main_site() ) {
return;
}
if ( ! wp_next_scheduled( 'wp_update_user_counts' ) && ! wp_installing() ) {
wp_schedule_event( time(), 'twicedaily', 'wp_update_user_counts' );
}
}
/**
* Determines whether the site has a large number of users.
*
* The default criteria for a large site is more than 10,000 users.
*
* @since 6.0.0
*
* @param int|null $network_id ID of the network. Defaults to the current network.
* @return bool Whether the site has a large number of users.
*/
function wp_is_large_user_count( $network_id = null ) {
if ( ! is_multisite() && null !== $network_id ) {
_doing_it_wrong(
__FUNCTION__,
sprintf(
/* translators: %s: $network_id */
__( 'Unable to pass %s if not using multisite.' ),
'$network_id'
),
'6.0.0'
);
}
$count = get_user_count( $network_id );
/**
* Filters whether the site is considered large, based on its number of users.
*
* @since 6.0.0
*
* @param bool $is_large_user_count Whether the site has a large number of users.
* @param int $count The total number of users.
* @param int|null $network_id ID of the network. `null` represents the current network.
*/
return apply_filters( 'wp_is_large_user_count', $count > 10000, $count, $network_id );
}
//
// Private helper functions.
//
/**
* Sets up global user vars.
*
* Used by wp_set_current_user() for back compat. Might be deprecated in the future.
*
* @since 2.0.4
*
* @global string $user_login The user username for logging in
* @global WP_User $userdata User data.
* @global int $user_level The level of the user
* @global int $user_ID The ID of the user
* @global string $user_email The email address of the user
* @global string $user_url The url in the user's profile
* @global string $user_identity The display name of the user
*
* @param int $for_user_id Optional. User ID to set up global data. Default 0.
*/
function setup_userdata( $for_user_id = 0 ) {
global $user_login, $userdata, $user_level, $user_ID, $user_email, $user_url, $user_identity;
if ( ! $for_user_id ) {
$for_user_id = get_current_user_id();
}
$user = get_userdata( $for_user_id );
if ( ! $user ) {
$user_ID = 0;
$user_level = 0;
$userdata = null;
$user_login = '';
$user_email = '';
$user_url = '';
$user_identity = '';
return;
}
$user_ID = (int) $user->ID;
$user_level = (int) $user->user_level;
$userdata = $user;
$user_login = $user->user_login;
$user_email = $user->user_email;
$user_url = $user->user_url;
$user_identity = $user->display_name;
}
/**
* Creates dropdown HTML content of users.
*
* The content can either be displayed, which it is by default, or retrieved by
* setting the 'echo' argument to false. The 'include' and 'exclude' arguments
* are optional; if they are not specified, all users will be displayed. Only one
* can be used in a single call, either 'include' or 'exclude', but not both.
*
* @since 2.3.0
* @since 4.5.0 Added the 'display_name_with_login' value for 'show'.
* @since 4.7.0 Added the 'role', 'role__in', and 'role__not_in' parameters.
* @since 5.9.0 Added the 'capability', 'capability__in', and 'capability__not_in' parameters.
* Deprecated the 'who' parameter.
*
* @param array|string $args {
* Optional. Array or string of arguments to generate a drop-down of users.
* See WP_User_Query::prepare_query() for additional available arguments.
*
* @type string $show_option_all Text to show as the drop-down default (all).
* Default empty.
* @type string $show_option_none Text to show as the drop-down default when no
* users were found. Default empty.
* @type int|string $option_none_value Value to use for `$show_option_none` when no users
* were found. Default -1.
* @type string $hide_if_only_one_author Whether to skip generating the drop-down
* if only one user was found. Default empty.
* @type string $orderby Field to order found users by. Accepts user fields.
* Default 'display_name'.
* @type string $order Whether to order users in ascending or descending
* order. Accepts 'ASC' (ascending) or 'DESC' (descending).
* Default 'ASC'.
* @type int[]|string $include Array or comma-separated list of user IDs to include.
* Default empty.
* @type int[]|string $exclude Array or comma-separated list of user IDs to exclude.
* Default empty.
* @type bool|int $multi Whether to skip the ID attribute on the 'select' element.
* Accepts 1|true or 0|false. Default 0|false.
* @type string $show User data to display. If the selected item is empty
* then the 'user_login' will be displayed in parentheses.
* Accepts any user field, or 'display_name_with_login' to show
* the display name with user_login in parentheses.
* Default 'display_name'.
* @type int|bool $echo Whether to echo or return the drop-down. Accepts 1|true (echo)
* or 0|false (return). Default 1|true.
* @type int $selected Which user ID should be selected. Default 0.
* @type bool $include_selected Whether to always include the selected user ID in the drop-
* down. Default false.
* @type string $name Name attribute of select element. Default 'user'.
* @type string $id ID attribute of the select element. Default is the value of `$name`.
* @type string $class Class attribute of the select element. Default empty.
* @type int $blog_id ID of blog (Multisite only). Default is ID of the current blog.
* @type string $who Deprecated, use `$capability` instead.
* Which type of users to query. Accepts only an empty string or
* 'authors'. Default empty (all users).
* @type string|string[] $role An array or a comma-separated list of role names that users
* must match to be included in results. Note that this is
* an inclusive list: users must match *each* role. Default empty.
* @type string[] $role__in An array of role names. Matched users must have at least one
* of these roles. Default empty array.
* @type string[] $role__not_in An array of role names to exclude. Users matching one or more
* of these roles will not be included in results. Default empty array.
* @type string|string[] $capability An array or a comma-separated list of capability names that users
* must match to be included in results. Note that this is
* an inclusive list: users must match *each* capability.
* Does NOT work for capabilities not in the database or filtered
* via {@see 'map_meta_cap'}. Default empty.
* @type string[] $capability__in An array of capability names. Matched users must have at least one
* of these capabilities.
* Does NOT work for capabilities not in the database or filtered
* via {@see 'map_meta_cap'}. Default empty array.
* @type string[] $capability__not_in An array of capability names to exclude. Users matching one or more
* of these capabilities will not be included in results.
* Does NOT work for capabilities not in the database or filtered
* via {@see 'map_meta_cap'}. Default empty array.
* }
* @return string HTML dropdown list of users.
*/
function wp_dropdown_users( $args = '' ) {
$defaults = array(
'show_option_all' => '',
'show_option_none' => '',
'hide_if_only_one_author' => '',
'orderby' => 'display_name',
'order' => 'ASC',
'include' => '',
'exclude' => '',
'multi' => 0,
'show' => 'display_name',
'echo' => 1,
'selected' => 0,
'name' => 'user',
'class' => '',
'id' => '',
'blog_id' => get_current_blog_id(),
'who' => '',
'include_selected' => false,
'option_none_value' => -1,
'role' => '',
'role__in' => array(),
'role__not_in' => array(),
'capability' => '',
'capability__in' => array(),
'capability__not_in' => array(),
);
$defaults['selected'] = is_author() ? get_query_var( 'author' ) : 0;
$parsed_args = wp_parse_args( $args, $defaults );
$query_args = wp_array_slice_assoc(
$parsed_args,
array(
'blog_id',
'include',
'exclude',
'orderby',
'order',
'who',
'role',
'role__in',
'role__not_in',
'capability',
'capability__in',
'capability__not_in',
)
);
$fields = array( 'ID', 'user_login' );
$show = ! empty( $parsed_args['show'] ) ? $parsed_args['show'] : 'display_name';
if ( 'display_name_with_login' === $show ) {
$fields[] = 'display_name';
} else {
$fields[] = $show;
}
$query_args['fields'] = $fields;
$show_option_all = $parsed_args['show_option_all'];
$show_option_none = $parsed_args['show_option_none'];
$option_none_value = $parsed_args['option_none_value'];
/**
* Filters the query arguments for the list of users in the dropdown.
*
* @since 4.4.0
*
* @param array $query_args The query arguments for get_users().
* @param array $parsed_args The arguments passed to wp_dropdown_users() combined with the defaults.
*/
$query_args = apply_filters( 'wp_dropdown_users_args', $query_args, $parsed_args );
$users = get_users( $query_args );
$output = '';
if ( ! empty( $users ) && ( empty( $parsed_args['hide_if_only_one_author'] ) || count( $users ) > 1 ) ) {
$name = esc_attr( $parsed_args['name'] );
if ( $parsed_args['multi'] && ! $parsed_args['id'] ) {
$id = '';
} else {
$id = $parsed_args['id'] ? " id='" . esc_attr( $parsed_args['id'] ) . "'" : " id='$name'";
}
$output = "';
}
/**
* Filters the wp_dropdown_users() HTML output.
*
* @since 2.3.0
*
* @param string $output HTML output generated by wp_dropdown_users().
*/
$html = apply_filters( 'wp_dropdown_users', $output );
if ( $parsed_args['echo'] ) {
echo $html;
}
return $html;
}
/**
* Sanitizes user field based on context.
*
* Possible context values are: 'raw', 'edit', 'db', 'display', 'attribute' and 'js'. The
* 'display' context is used by default. 'attribute' and 'js' contexts are treated like 'display'
* when calling filters.
*
* @since 2.3.0
*
* @param string $field The user Object field name.
* @param mixed $value The user Object value.
* @param int $user_id User ID.
* @param string $context How to sanitize user fields. Looks for 'raw', 'edit', 'db', 'display',
* 'attribute' and 'js'.
* @return mixed Sanitized value.
*/
function sanitize_user_field( $field, $value, $user_id, $context ) {
$int_fields = array( 'ID' );
if ( in_array( $field, $int_fields, true ) ) {
$value = (int) $value;
}
if ( 'raw' === $context ) {
return $value;
}
if ( ! is_string( $value ) && ! is_numeric( $value ) ) {
return $value;
}
$prefixed = str_contains( $field, 'user_' );
if ( 'edit' === $context ) {
if ( $prefixed ) {
/** This filter is documented in wp-includes/post.php */
$value = apply_filters( "edit_{$field}", $value, $user_id );
} else {
/**
* Filters a user field value in the 'edit' context.
*
* The dynamic portion of the hook name, `$field`, refers to the prefixed user
* field being filtered, such as 'user_login', 'user_email', 'first_name', etc.
*
* @since 2.9.0
*
* @param mixed $value Value of the prefixed user field.
* @param int $user_id User ID.
*/
$value = apply_filters( "edit_user_{$field}", $value, $user_id );
}
if ( 'description' === $field ) {
$value = esc_html( $value ); // textarea_escaped?
} else {
$value = esc_attr( $value );
}
} elseif ( 'db' === $context ) {
if ( $prefixed ) {
/** This filter is documented in wp-includes/post.php */
$value = apply_filters( "pre_{$field}", $value );
} else {
/**
* Filters the value of a user field in the 'db' context.
*
* The dynamic portion of the hook name, `$field`, refers to the prefixed user
* field being filtered, such as 'user_login', 'user_email', 'first_name', etc.
*
* @since 2.9.0
*
* @param mixed $value Value of the prefixed user field.
*/
$value = apply_filters( "pre_user_{$field}", $value );
}
} else {
// Use display filters by default.
if ( $prefixed ) {
/** This filter is documented in wp-includes/post.php */
$value = apply_filters( "{$field}", $value, $user_id, $context );
} else {
/**
* Filters the value of a user field in a standard context.
*
* The dynamic portion of the hook name, `$field`, refers to the prefixed user
* field being filtered, such as 'user_login', 'user_email', 'first_name', etc.
*
* @since 2.9.0
*
* @param mixed $value The user object value to sanitize.
* @param int $user_id User ID.
* @param string $context The context to filter within.
*/
$value = apply_filters( "user_{$field}", $value, $user_id, $context );
}
}
if ( 'user_url' === $field ) {
$value = esc_url( $value );
}
if ( 'attribute' === $context ) {
$value = esc_attr( $value );
} elseif ( 'js' === $context ) {
$value = esc_js( $value );
}
// Restore the type for integer fields after esc_attr().
if ( in_array( $field, $int_fields, true ) ) {
$value = (int) $value;
}
return $value;
}
/**
* Updates all user caches.
*
* @since 3.0.0
*
* @param object|WP_User $user User object or database row to be cached
* @return void|false Void on success, false on failure.
*/
function update_user_caches( $user ) {
if ( $user instanceof WP_User ) {
if ( ! $user->exists() ) {
return false;
}
$user = $user->data;
}
wp_cache_add( $user->ID, $user, 'users' );
wp_cache_add( $user->user_login, $user->ID, 'userlogins' );
wp_cache_add( $user->user_nicename, $user->ID, 'userslugs' );
if ( ! empty( $user->user_email ) ) {
wp_cache_add( $user->user_email, $user->ID, 'useremail' );
}
}
/**
* Cleans all user caches.
*
* @since 3.0.0
* @since 4.4.0 'clean_user_cache' action was added.
* @since 6.2.0 User metadata caches are now cleared.
*
* @param WP_User|int $user User object or ID to be cleaned from the cache
*/
function clean_user_cache( $user ) {
if ( is_numeric( $user ) ) {
$user = new WP_User( $user );
}
if ( ! $user->exists() ) {
return;
}
wp_cache_delete( $user->ID, 'users' );
wp_cache_delete( $user->user_login, 'userlogins' );
wp_cache_delete( $user->user_nicename, 'userslugs' );
if ( ! empty( $user->user_email ) ) {
wp_cache_delete( $user->user_email, 'useremail' );
}
wp_cache_delete( $user->ID, 'user_meta' );
wp_cache_set_users_last_changed();
/**
* Fires immediately after the given user's cache is cleaned.
*
* @since 4.4.0
*
* @param int $user_id User ID.
* @param WP_User $user User object.
*/
do_action( 'clean_user_cache', $user->ID, $user );
}
/**
* Determines whether the given username exists.
*
* For more information on this and similar theme functions, check out
* the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
* Conditional Tags} article in the Theme Developer Handbook.
*
* @since 2.0.0
*
* @param string $username The username to check for existence.
* @return int|false The user ID on success, false on failure.
*/
function username_exists( $username ) {
$user = get_user_by( 'login', $username );
if ( $user ) {
$user_id = $user->ID;
} else {
$user_id = false;
}
/**
* Filters whether the given username exists.
*
* @since 4.9.0
*
* @param int|false $user_id The user ID associated with the username,
* or false if the username does not exist.
* @param string $username The username to check for existence.
*/
return apply_filters( 'username_exists', $user_id, $username );
}
/**
* Determines whether the given email exists.
*
* For more information on this and similar theme functions, check out
* the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
* Conditional Tags} article in the Theme Developer Handbook.
*
* @since 2.1.0
*
* @param string $email The email to check for existence.
* @return int|false The user ID on success, false on failure.
*/
function email_exists( $email ) {
$user = get_user_by( 'email', $email );
if ( $user ) {
$user_id = $user->ID;
} else {
$user_id = false;
}
/**
* Filters whether the given email exists.
*
* @since 5.6.0
*
* @param int|false $user_id The user ID associated with the email,
* or false if the email does not exist.
* @param string $email The email to check for existence.
*/
return apply_filters( 'email_exists', $user_id, $email );
}
/**
* Checks whether a username is valid.
*
* @since 2.0.1
* @since 4.4.0 Empty sanitized usernames are now considered invalid.
*
* @param string $username Username.
* @return bool Whether username given is valid.
*/
function validate_username( $username ) {
$sanitized = sanitize_user( $username, true );
$valid = ( $sanitized === $username && ! empty( $sanitized ) );
/**
* Filters whether the provided username is valid.
*
* @since 2.0.1
*
* @param bool $valid Whether given username is valid.
* @param string $username Username to check.
*/
return apply_filters( 'validate_username', $valid, $username );
}
/**
* Inserts a user into the database.
*
* Most of the `$userdata` array fields have filters associated with the values. Exceptions are
* 'ID', 'rich_editing', 'syntax_highlighting', 'comment_shortcuts', 'admin_color', 'use_ssl',
* 'user_registered', 'user_activation_key', 'spam', and 'role'. The filters have the prefix
* 'pre_user_' followed by the field name. An example using 'description' would have the filter
* called 'pre_user_description' that can be hooked into.
*
* @since 2.0.0
* @since 3.6.0 The `aim`, `jabber`, and `yim` fields were removed as default user contact
* methods for new installations. See wp_get_user_contact_methods().
* @since 4.7.0 The `locale` field can be passed to `$userdata`.
* @since 5.3.0 The `user_activation_key` field can be passed to `$userdata`.
* @since 5.3.0 The `spam` field can be passed to `$userdata` (Multisite only).
* @since 5.9.0 The `meta_input` field can be passed to `$userdata` to allow addition of user meta data.
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param array|object|WP_User $userdata {
* An array, object, or WP_User object of user data arguments.
*
* @type int $ID User ID. If supplied, the user will be updated.
* @type string $user_pass The plain-text user password for new users.
* Hashed password for existing users.
* @type string $user_login The user's login username.
* @type string $user_nicename The URL-friendly user name.
* @type string $user_url The user URL.
* @type string $user_email The user email address.
* @type string $display_name The user's display name.
* Default is the user's username.
* @type string $nickname The user's nickname.
* Default is the user's username.
* @type string $first_name The user's first name. For new users, will be used
* to build the first part of the user's display name
* if `$display_name` is not specified.
* @type string $last_name The user's last name. For new users, will be used
* to build the second part of the user's display name
* if `$display_name` is not specified.
* @type string $description The user's biographical description.
* @type string $rich_editing Whether to enable the rich-editor for the user.
* Accepts 'true' or 'false' as a string literal,
* not boolean. Default 'true'.
* @type string $syntax_highlighting Whether to enable the rich code editor for the user.
* Accepts 'true' or 'false' as a string literal,
* not boolean. Default 'true'.
* @type string $comment_shortcuts Whether to enable comment moderation keyboard
* shortcuts for the user. Accepts 'true' or 'false'
* as a string literal, not boolean. Default 'false'.
* @type string $admin_color Admin color scheme for the user. Default 'fresh'.
* @type bool $use_ssl Whether the user should always access the admin over
* https. Default false.
* @type string $user_registered Date the user registered in UTC. Format is 'Y-m-d H:i:s'.
* @type string $user_activation_key Password reset key. Default empty.
* @type bool $spam Multisite only. Whether the user is marked as spam.
* Default false.
* @type string $show_admin_bar_front Whether to display the Admin Bar for the user
* on the site's front end. Accepts 'true' or 'false'
* as a string literal, not boolean. Default 'true'.
* @type string $role User's role.
* @type string $locale User's locale. Default empty.
* @type array $meta_input Array of custom user meta values keyed by meta key.
* Default empty.
* }
* @return int|WP_Error The newly created user's ID or a WP_Error object if the user could not
* be created.
*/
function wp_insert_user( $userdata ) {
global $wpdb;
if ( $userdata instanceof stdClass ) {
$userdata = get_object_vars( $userdata );
} elseif ( $userdata instanceof WP_User ) {
$userdata = $userdata->to_array();
}
// Are we updating or creating?
if ( ! empty( $userdata['ID'] ) ) {
$user_id = (int) $userdata['ID'];
$update = true;
$old_user_data = get_userdata( $user_id );
if ( ! $old_user_data ) {
return new WP_Error( 'invalid_user_id', __( 'Invalid user ID.' ) );
}
// Slash current user email to compare it later with slashed new user email.
$old_user_data->user_email = wp_slash( $old_user_data->user_email );
// Hashed in wp_update_user(), plaintext if called directly.
$user_pass = ! empty( $userdata['user_pass'] ) ? $userdata['user_pass'] : $old_user_data->user_pass;
} else {
$update = false;
// Hash the password.
$user_pass = wp_hash_password( $userdata['user_pass'] );
}
$sanitized_user_login = sanitize_user( $userdata['user_login'], true );
/**
* Filters a username after it has been sanitized.
*
* This filter is called before the user is created or updated.
*
* @since 2.0.3
*
* @param string $sanitized_user_login Username after it has been sanitized.
*/
$pre_user_login = apply_filters( 'pre_user_login', $sanitized_user_login );
// Remove any non-printable chars from the login string to see if we have ended up with an empty username.
$user_login = trim( $pre_user_login );
// user_login must be between 0 and 60 characters.
if ( empty( $user_login ) ) {
return new WP_Error( 'empty_user_login', __( 'Cannot create a user with an empty login name.' ) );
} elseif ( mb_strlen( $user_login ) > 60 ) {
return new WP_Error( 'user_login_too_long', __( 'Username may not be longer than 60 characters.' ) );
}
if ( ! $update && username_exists( $user_login ) ) {
return new WP_Error( 'existing_user_login', __( 'Sorry, that username already exists!' ) );
}
/**
* Filters the list of disallowed usernames.
*
* @since 4.4.0
*
* @param array $usernames Array of disallowed usernames.
*/
$illegal_logins = (array) apply_filters( 'illegal_user_logins', array() );
if ( in_array( strtolower( $user_login ), array_map( 'strtolower', $illegal_logins ), true ) ) {
return new WP_Error( 'invalid_username', __( 'Sorry, that username is not allowed.' ) );
}
/*
* If a nicename is provided, remove unsafe user characters before using it.
* Otherwise build a nicename from the user_login.
*/
if ( ! empty( $userdata['user_nicename'] ) ) {
$user_nicename = sanitize_user( $userdata['user_nicename'], true );
} else {
$user_nicename = mb_substr( $user_login, 0, 50 );
}
$user_nicename = sanitize_title( $user_nicename );
/**
* Filters a user's nicename before the user is created or updated.
*
* @since 2.0.3
*
* @param string $user_nicename The user's nicename.
*/
$user_nicename = apply_filters( 'pre_user_nicename', $user_nicename );
if ( mb_strlen( $user_nicename ) > 50 ) {
return new WP_Error( 'user_nicename_too_long', __( 'Nicename may not be longer than 50 characters.' ) );
}
$user_nicename_check = $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM $wpdb->users WHERE user_nicename = %s AND user_login != %s LIMIT 1", $user_nicename, $user_login ) );
if ( $user_nicename_check ) {
$suffix = 2;
while ( $user_nicename_check ) {
// user_nicename allows 50 chars. Subtract one for a hyphen, plus the length of the suffix.
$base_length = 49 - mb_strlen( $suffix );
$alt_user_nicename = mb_substr( $user_nicename, 0, $base_length ) . "-$suffix";
$user_nicename_check = $wpdb->get_var( $wpdb->prepare( "SELECT ID FROM $wpdb->users WHERE user_nicename = %s AND user_login != %s LIMIT 1", $alt_user_nicename, $user_login ) );
++$suffix;
}
$user_nicename = $alt_user_nicename;
}
$raw_user_email = empty( $userdata['user_email'] ) ? '' : $userdata['user_email'];
/**
* Filters a user's email before the user is created or updated.
*
* @since 2.0.3
*
* @param string $raw_user_email The user's email.
*/
$user_email = apply_filters( 'pre_user_email', $raw_user_email );
/*
* If there is no update, just check for `email_exists`. If there is an update,
* check if current email and new email are the same, and check `email_exists`
* accordingly.
*/
if ( ( ! $update || ( ! empty( $old_user_data ) && 0 !== strcasecmp( $user_email, $old_user_data->user_email ) ) )
&& ! defined( 'WP_IMPORTING' )
&& email_exists( $user_email )
) {
return new WP_Error( 'existing_user_email', __( 'Sorry, that email address is already used!' ) );
}
$raw_user_url = empty( $userdata['user_url'] ) ? '' : $userdata['user_url'];
/**
* Filters a user's URL before the user is created or updated.
*
* @since 2.0.3
*
* @param string $raw_user_url The user's URL.
*/
$user_url = apply_filters( 'pre_user_url', $raw_user_url );
if ( mb_strlen( $user_url ) > 100 ) {
return new WP_Error( 'user_url_too_long', __( 'User URL may not be longer than 100 characters.' ) );
}
$user_registered = empty( $userdata['user_registered'] ) ? gmdate( 'Y-m-d H:i:s' ) : $userdata['user_registered'];
$user_activation_key = empty( $userdata['user_activation_key'] ) ? '' : $userdata['user_activation_key'];
if ( ! empty( $userdata['spam'] ) && ! is_multisite() ) {
return new WP_Error( 'no_spam', __( 'Sorry, marking a user as spam is only supported on Multisite.' ) );
}
$spam = empty( $userdata['spam'] ) ? 0 : (bool) $userdata['spam'];
// Store values to save in user meta.
$meta = array();
$nickname = empty( $userdata['nickname'] ) ? $user_login : $userdata['nickname'];
/**
* Filters a user's nickname before the user is created or updated.
*
* @since 2.0.3
*
* @param string $nickname The user's nickname.
*/
$meta['nickname'] = apply_filters( 'pre_user_nickname', $nickname );
$first_name = empty( $userdata['first_name'] ) ? '' : $userdata['first_name'];
/**
* Filters a user's first name before the user is created or updated.
*
* @since 2.0.3
*
* @param string $first_name The user's first name.
*/
$meta['first_name'] = apply_filters( 'pre_user_first_name', $first_name );
$last_name = empty( $userdata['last_name'] ) ? '' : $userdata['last_name'];
/**
* Filters a user's last name before the user is created or updated.
*
* @since 2.0.3
*
* @param string $last_name The user's last name.
*/
$meta['last_name'] = apply_filters( 'pre_user_last_name', $last_name );
if ( empty( $userdata['display_name'] ) ) {
if ( $update ) {
$display_name = $user_login;
} elseif ( $meta['first_name'] && $meta['last_name'] ) {
$display_name = sprintf(
/* translators: 1: User's first name, 2: Last name. */
_x( '%1$s %2$s', 'Display name based on first name and last name' ),
$meta['first_name'],
$meta['last_name']
);
} elseif ( $meta['first_name'] ) {
$display_name = $meta['first_name'];
} elseif ( $meta['last_name'] ) {
$display_name = $meta['last_name'];
} else {
$display_name = $user_login;
}
} else {
$display_name = $userdata['display_name'];
}
/**
* Filters a user's display name before the user is created or updated.
*
* @since 2.0.3
*
* @param string $display_name The user's display name.
*/
$display_name = apply_filters( 'pre_user_display_name', $display_name );
$description = empty( $userdata['description'] ) ? '' : $userdata['description'];
/**
* Filters a user's description before the user is created or updated.
*
* @since 2.0.3
*
* @param string $description The user's description.
*/
$meta['description'] = apply_filters( 'pre_user_description', $description );
$meta['rich_editing'] = empty( $userdata['rich_editing'] ) ? 'true' : $userdata['rich_editing'];
$meta['syntax_highlighting'] = empty( $userdata['syntax_highlighting'] ) ? 'true' : $userdata['syntax_highlighting'];
$meta['comment_shortcuts'] = empty( $userdata['comment_shortcuts'] ) || 'false' === $userdata['comment_shortcuts'] ? 'false' : 'true';
$admin_color = empty( $userdata['admin_color'] ) ? 'fresh' : $userdata['admin_color'];
$meta['admin_color'] = preg_replace( '|[^a-z0-9 _.\-@]|i', '', $admin_color );
$meta['use_ssl'] = empty( $userdata['use_ssl'] ) ? '0' : '1';
$meta['show_admin_bar_front'] = empty( $userdata['show_admin_bar_front'] ) ? 'true' : $userdata['show_admin_bar_front'];
$meta['locale'] = isset( $userdata['locale'] ) ? $userdata['locale'] : '';
$compacted = compact( 'user_pass', 'user_nicename', 'user_email', 'user_url', 'user_registered', 'user_activation_key', 'display_name' );
$data = wp_unslash( $compacted );
if ( ! $update ) {
$data = $data + compact( 'user_login' );
}
if ( is_multisite() ) {
$data = $data + compact( 'spam' );
}
/**
* Filters user data before the record is created or updated.
*
* It only includes data in the users table, not any user metadata.
*
* @since 4.9.0
* @since 5.8.0 The `$userdata` parameter was added.
* @since 6.8.0 The user's password is now hashed using bcrypt by default instead of phpass.
*
* @param array $data {
* Values and keys for the user.
*
* @type string $user_login The user's login. Only included if $update == false
* @type string $user_pass The user's password.
* @type string $user_email The user's email.
* @type string $user_url The user's url.
* @type string $user_nicename The user's nice name. Defaults to a URL-safe version of user's login.
* @type string $display_name The user's display name.
* @type string $user_registered MySQL timestamp describing the moment when the user registered. Defaults to
* the current UTC timestamp.
* }
* @param bool $update Whether the user is being updated rather than created.
* @param int|null $user_id ID of the user to be updated, or NULL if the user is being created.
* @param array $userdata The raw array of data passed to wp_insert_user().
*/
$data = apply_filters( 'wp_pre_insert_user_data', $data, $update, ( $update ? $user_id : null ), $userdata );
if ( empty( $data ) || ! is_array( $data ) ) {
return new WP_Error( 'empty_data', __( 'Not enough data to create this user.' ) );
}
if ( $update ) {
if ( $user_email !== $old_user_data->user_email || $user_pass !== $old_user_data->user_pass ) {
$data['user_activation_key'] = '';
}
$wpdb->update( $wpdb->users, $data, array( 'ID' => $user_id ) );
} else {
$wpdb->insert( $wpdb->users, $data );
$user_id = (int) $wpdb->insert_id;
}
$user = new WP_User( $user_id );
/**
* Filters a user's meta values and keys immediately after the user is created or updated
* and before any user meta is inserted or updated.
*
* Does not include contact methods. These are added using `wp_get_user_contact_methods( $user )`.
*
* For custom meta fields, see the {@see 'insert_custom_user_meta'} filter.
*
* @since 4.4.0
* @since 5.8.0 The `$userdata` parameter was added.
*
* @param array $meta {
* Default meta values and keys for the user.
*
* @type string $nickname The user's nickname. Default is the user's username.
* @type string $first_name The user's first name.
* @type string $last_name The user's last name.
* @type string $description The user's description.
* @type string $rich_editing Whether to enable the rich-editor for the user. Default 'true'.
* @type string $syntax_highlighting Whether to enable the rich code editor for the user. Default 'true'.
* @type string $comment_shortcuts Whether to enable keyboard shortcuts for the user. Default 'false'.
* @type string $admin_color The color scheme for a user's admin screen. Default 'fresh'.
* @type int|bool $use_ssl Whether to force SSL on the user's admin area. 0|false if SSL
* is not forced.
* @type string $show_admin_bar_front Whether to show the admin bar on the front end for the user.
* Default 'true'.
* @type string $locale User's locale. Default empty.
* }
* @param WP_User $user User object.
* @param bool $update Whether the user is being updated rather than created.
* @param array $userdata The raw array of data passed to wp_insert_user().
*/
$meta = apply_filters( 'insert_user_meta', $meta, $user, $update, $userdata );
$custom_meta = array();
if ( array_key_exists( 'meta_input', $userdata ) && is_array( $userdata['meta_input'] ) && ! empty( $userdata['meta_input'] ) ) {
$custom_meta = $userdata['meta_input'];
}
/**
* Filters a user's custom meta values and keys immediately after the user is created or updated
* and before any user meta is inserted or updated.
*
* For non-custom meta fields, see the {@see 'insert_user_meta'} filter.
*
* @since 5.9.0
*
* @param array $custom_meta Array of custom user meta values keyed by meta key.
* @param WP_User $user User object.
* @param bool $update Whether the user is being updated rather than created.
* @param array $userdata The raw array of data passed to wp_insert_user().
*/
$custom_meta = apply_filters( 'insert_custom_user_meta', $custom_meta, $user, $update, $userdata );
$meta = array_merge( $meta, $custom_meta );
if ( $update ) {
// Update user meta.
foreach ( $meta as $key => $value ) {
update_user_meta( $user_id, $key, $value );
}
} else {
// Add user meta.
foreach ( $meta as $key => $value ) {
add_user_meta( $user_id, $key, $value );
}
}
foreach ( wp_get_user_contact_methods( $user ) as $key => $value ) {
if ( isset( $userdata[ $key ] ) ) {
update_user_meta( $user_id, $key, $userdata[ $key ] );
}
}
if ( isset( $userdata['role'] ) ) {
$user->set_role( $userdata['role'] );
} elseif ( ! $update ) {
$user->set_role( get_option( 'default_role' ) );
}
clean_user_cache( $user_id );
if ( $update ) {
/**
* Fires immediately after an existing user is updated.
*
* @since 2.0.0
* @since 5.8.0 The `$userdata` parameter was added.
*
* @param int $user_id User ID.
* @param WP_User $old_user_data Object containing user's data prior to update.
* @param array $userdata The raw array of data passed to wp_insert_user().
*/
do_action( 'profile_update', $user_id, $old_user_data, $userdata );
if ( isset( $userdata['spam'] ) && $userdata['spam'] !== $old_user_data->spam ) {
if ( '1' === $userdata['spam'] ) {
/**
* Fires after the user is marked as a SPAM user.
*
* @since 3.0.0
*
* @param int $user_id ID of the user marked as SPAM.
*/
do_action( 'make_spam_user', $user_id );
} else {
/**
* Fires after the user is marked as a HAM user. Opposite of SPAM.
*
* @since 3.0.0
*
* @param int $user_id ID of the user marked as HAM.
*/
do_action( 'make_ham_user', $user_id );
}
}
} else {
/**
* Fires immediately after a new user is registered.
*
* @since 1.5.0
* @since 5.8.0 The `$userdata` parameter was added.
*
* @param int $user_id User ID.
* @param array $userdata The raw array of data passed to wp_insert_user().
*/
do_action( 'user_register', $user_id, $userdata );
}
return $user_id;
}
/**
* Updates a user in the database.
*
* It is possible to update a user's password by specifying the 'user_pass'
* value in the $userdata parameter array.
*
* If current user's password is being updated, then the cookies will be
* cleared.
*
* @since 2.0.0
*
* @see wp_insert_user() For what fields can be set in $userdata.
*
* @param array|object|WP_User $userdata An array of user data or a user object of type stdClass or WP_User.
* @return int|WP_Error The updated user's ID or a WP_Error object if the user could not be updated.
*/
function wp_update_user( $userdata ) {
if ( $userdata instanceof stdClass ) {
$userdata = get_object_vars( $userdata );
} elseif ( $userdata instanceof WP_User ) {
$userdata = $userdata->to_array();
}
$userdata_raw = $userdata;
$user_id = isset( $userdata['ID'] ) ? (int) $userdata['ID'] : 0;
if ( ! $user_id ) {
return new WP_Error( 'invalid_user_id', __( 'Invalid user ID.' ) );
}
// First, get all of the original fields.
$user_obj = get_userdata( $user_id );
if ( ! $user_obj ) {
return new WP_Error( 'invalid_user_id', __( 'Invalid user ID.' ) );
}
$user = $user_obj->to_array();
// Add additional custom fields.
foreach ( _get_additional_user_keys( $user_obj ) as $key ) {
$user[ $key ] = get_user_meta( $user_id, $key, true );
}
// Escape data pulled from DB.
$user = add_magic_quotes( $user );
if ( ! empty( $userdata['user_pass'] ) && $userdata['user_pass'] !== $user_obj->user_pass ) {
// If password is changing, hash it now.
$plaintext_pass = $userdata['user_pass'];
$userdata['user_pass'] = wp_hash_password( $userdata['user_pass'] );
/**
* Filters whether to send the password change email.
*
* @since 4.3.0
*
* @see wp_insert_user() For `$user` and `$userdata` fields.
*
* @param bool $send Whether to send the email.
* @param array $user The original user array.
* @param array $userdata The updated user array.
*/
$send_password_change_email = apply_filters( 'send_password_change_email', true, $user, $userdata );
}
if ( isset( $userdata['user_email'] ) && $user['user_email'] !== $userdata['user_email'] ) {
/**
* Filters whether to send the email change email.
*
* @since 4.3.0
*
* @see wp_insert_user() For `$user` and `$userdata` fields.
*
* @param bool $send Whether to send the email.
* @param array $user The original user array.
* @param array $userdata The updated user array.
*/
$send_email_change_email = apply_filters( 'send_email_change_email', true, $user, $userdata );
}
clean_user_cache( $user_obj );
// Merge old and new fields with new fields overwriting old ones.
$userdata = array_merge( $user, $userdata );
$user_id = wp_insert_user( $userdata );
if ( is_wp_error( $user_id ) ) {
return $user_id;
}
$blog_name = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
$switched_locale = false;
if ( ! empty( $send_password_change_email ) || ! empty( $send_email_change_email ) ) {
$switched_locale = switch_to_user_locale( $user_id );
}
if ( ! empty( $send_password_change_email ) ) {
/* translators: Do not translate USERNAME, ADMIN_EMAIL, EMAIL, SITENAME, SITEURL: those are placeholders. */
$pass_change_text = __(
'Hi ###USERNAME###,
This notice confirms that your password was changed on ###SITENAME###.
If you did not change your password, please contact the Site Administrator at
###ADMIN_EMAIL###
This email has been sent to ###EMAIL###
Regards,
All at ###SITENAME###
###SITEURL###'
);
$pass_change_email = array(
'to' => $user['user_email'],
/* translators: Password change notification email subject. %s: Site title. */
'subject' => __( '[%s] Password Changed' ),
'message' => $pass_change_text,
'headers' => '',
);
/**
* Filters the contents of the email sent when the user's password is changed.
*
* @since 4.3.0
*
* @param array $pass_change_email {
* Used to build wp_mail().
*
* @type string $to The intended recipients. Add emails in a comma separated string.
* @type string $subject The subject of the email.
* @type string $message The content of the email.
* The following strings have a special meaning and will get replaced dynamically:
* - ###USERNAME### The current user's username.
* - ###ADMIN_EMAIL### The admin email in case this was unexpected.
* - ###EMAIL### The user's email address.
* - ###SITENAME### The name of the site.
* - ###SITEURL### The URL to the site.
* @type string $headers Headers. Add headers in a newline (\r\n) separated string.
* }
* @param array $user The original user array.
* @param array $userdata The updated user array.
*/
$pass_change_email = apply_filters( 'password_change_email', $pass_change_email, $user, $userdata );
$pass_change_email['message'] = str_replace( '###USERNAME###', $user['user_login'], $pass_change_email['message'] );
$pass_change_email['message'] = str_replace( '###ADMIN_EMAIL###', get_option( 'admin_email' ), $pass_change_email['message'] );
$pass_change_email['message'] = str_replace( '###EMAIL###', $user['user_email'], $pass_change_email['message'] );
$pass_change_email['message'] = str_replace( '###SITENAME###', $blog_name, $pass_change_email['message'] );
$pass_change_email['message'] = str_replace( '###SITEURL###', home_url(), $pass_change_email['message'] );
wp_mail( $pass_change_email['to'], sprintf( $pass_change_email['subject'], $blog_name ), $pass_change_email['message'], $pass_change_email['headers'] );
}
if ( ! empty( $send_email_change_email ) ) {
/* translators: Do not translate USERNAME, ADMIN_EMAIL, NEW_EMAIL, EMAIL, SITENAME, SITEURL: those are placeholders. */
$email_change_text = __(
'Hi ###USERNAME###,
This notice confirms that your email address on ###SITENAME### was changed to ###NEW_EMAIL###.
If you did not change your email, please contact the Site Administrator at
###ADMIN_EMAIL###
This email has been sent to ###EMAIL###
Regards,
All at ###SITENAME###
###SITEURL###'
);
$email_change_email = array(
'to' => $user['user_email'],
/* translators: Email change notification email subject. %s: Site title. */
'subject' => __( '[%s] Email Changed' ),
'message' => $email_change_text,
'headers' => '',
);
/**
* Filters the contents of the email sent when the user's email is changed.
*
* @since 4.3.0
*
* @param array $email_change_email {
* Used to build wp_mail().
*
* @type string $to The intended recipients.
* @type string $subject The subject of the email.
* @type string $message The content of the email.
* The following strings have a special meaning and will get replaced dynamically:
* - ###USERNAME### The current user's username.
* - ###ADMIN_EMAIL### The admin email in case this was unexpected.
* - ###NEW_EMAIL### The new email address.
* - ###EMAIL### The old email address.
* - ###SITENAME### The name of the site.
* - ###SITEURL### The URL to the site.
* @type string $headers Headers.
* }
* @param array $user The original user array.
* @param array $userdata The updated user array.
*/
$email_change_email = apply_filters( 'email_change_email', $email_change_email, $user, $userdata );
$email_change_email['message'] = str_replace( '###USERNAME###', $user['user_login'], $email_change_email['message'] );
$email_change_email['message'] = str_replace( '###ADMIN_EMAIL###', get_option( 'admin_email' ), $email_change_email['message'] );
$email_change_email['message'] = str_replace( '###NEW_EMAIL###', $userdata['user_email'], $email_change_email['message'] );
$email_change_email['message'] = str_replace( '###EMAIL###', $user['user_email'], $email_change_email['message'] );
$email_change_email['message'] = str_replace( '###SITENAME###', $blog_name, $email_change_email['message'] );
$email_change_email['message'] = str_replace( '###SITEURL###', home_url(), $email_change_email['message'] );
wp_mail( $email_change_email['to'], sprintf( $email_change_email['subject'], $blog_name ), $email_change_email['message'], $email_change_email['headers'] );
}
if ( $switched_locale ) {
restore_previous_locale();
}
// Update the cookies if the password changed.
$current_user = wp_get_current_user();
if ( $current_user->ID === $user_id ) {
if ( isset( $plaintext_pass ) ) {
/*
* Here we calculate the expiration length of the current auth cookie and compare it to the default expiration.
* If it's greater than this, then we know the user checked 'Remember Me' when they logged in.
*/
$logged_in_cookie = wp_parse_auth_cookie( '', 'logged_in' );
/** This filter is documented in wp-includes/pluggable.php */
$default_cookie_life = apply_filters( 'auth_cookie_expiration', ( 2 * DAY_IN_SECONDS ), $user_id, false );
wp_clear_auth_cookie();
$remember = false;
$token = '';
if ( false !== $logged_in_cookie ) {
$token = $logged_in_cookie['token'];
}
if ( false !== $logged_in_cookie && ( (int) $logged_in_cookie['expiration'] - time() ) > $default_cookie_life ) {
$remember = true;
}
wp_set_auth_cookie( $user_id, $remember, '', $token );
}
}
/**
* Fires after the user has been updated and emails have been sent.
*
* @since 6.3.0
*
* @param int $user_id The ID of the user that was just updated.
* @param array $userdata The array of user data that was updated.
* @param array $userdata_raw The unedited array of user data that was updated.
*/
do_action( 'wp_update_user', $user_id, $userdata, $userdata_raw );
return $user_id;
}
/**
* Provides a simpler way of inserting a user into the database.
*
* Creates a new user with just the username, password, and email. For more
* complex user creation use wp_insert_user() to specify more information.
*
* @since 2.0.0
*
* @see wp_insert_user() More complete way to create a new user.
*
* @param string $username The user's username.
* @param string $password The user's password.
* @param string $email Optional. The user's email. Default empty.
* @return int|WP_Error The newly created user's ID or a WP_Error object if the user could not
* be created.
*/
function wp_create_user(
$username,
#[\SensitiveParameter]
$password,
$email = ''
) {
$user_login = wp_slash( $username );
$user_email = wp_slash( $email );
$user_pass = $password;
$userdata = compact( 'user_login', 'user_email', 'user_pass' );
return wp_insert_user( $userdata );
}
/**
* Returns a list of meta keys to be (maybe) populated in wp_update_user().
*
* The list of keys returned via this function are dependent on the presence
* of those keys in the user meta data to be set.
*
* @since 3.3.0
* @access private
*
* @param WP_User $user WP_User instance.
* @return string[] List of user keys to be populated in wp_update_user().
*/
function _get_additional_user_keys( $user ) {
$keys = array( 'first_name', 'last_name', 'nickname', 'description', 'rich_editing', 'syntax_highlighting', 'comment_shortcuts', 'admin_color', 'use_ssl', 'show_admin_bar_front', 'locale' );
return array_merge( $keys, array_keys( wp_get_user_contact_methods( $user ) ) );
}
/**
* Sets up the user contact methods.
*
* Default contact methods were removed in 3.6. A filter dictates contact methods.
*
* @since 3.7.0
*
* @param WP_User|null $user Optional. WP_User object.
* @return string[] Array of contact method labels keyed by contact method.
*/
function wp_get_user_contact_methods( $user = null ) {
$methods = array();
if ( get_site_option( 'initial_db_version' ) < 23588 ) {
$methods = array(
'aim' => __( 'AIM' ),
'yim' => __( 'Yahoo IM' ),
'jabber' => __( 'Jabber / Google Talk' ),
);
}
/**
* Filters the user contact methods.
*
* @since 2.9.0
*
* @param string[] $methods Array of contact method labels keyed by contact method.
* @param WP_User|null $user WP_User object or null if none was provided.
*/
return apply_filters( 'user_contactmethods', $methods, $user );
}
/**
* The old private function for setting up user contact methods.
*
* Use wp_get_user_contact_methods() instead.
*
* @since 2.9.0
* @access private
*
* @param WP_User|null $user Optional. WP_User object. Default null.
* @return string[] Array of contact method labels keyed by contact method.
*/
function _wp_get_user_contactmethods( $user = null ) {
return wp_get_user_contact_methods( $user );
}
/**
* Gets the text suggesting how to create strong passwords.
*
* @since 4.1.0
*
* @return string The password hint text.
*/
function wp_get_password_hint() {
$hint = __( 'Hint: The password should be at least twelve characters long. To make it stronger, use upper and lower case letters, numbers, and symbols like ! " ? $ % ^ & ).' );
/**
* Filters the text describing the site's password complexity policy.
*
* @since 4.1.0
*
* @param string $hint The password hint text.
*/
return apply_filters( 'password_hint', $hint );
}
/**
* Creates, stores, then returns a password reset key for user.
*
* @since 4.4.0
*
* @param WP_User $user User to retrieve password reset key for.
* @return string|WP_Error Password reset key on success. WP_Error on error.
*/
function get_password_reset_key( $user ) {
if ( ! ( $user instanceof WP_User ) ) {
return new WP_Error( 'invalidcombo', __( 'Error: There is no account with that username or email address.' ) );
}
/**
* Fires before a new password is retrieved.
*
* Use the {@see 'retrieve_password'} hook instead.
*
* @since 1.5.0
* @deprecated 1.5.1 Misspelled. Use {@see 'retrieve_password'} hook instead.
*
* @param string $user_login The user login name.
*/
do_action_deprecated( 'retreive_password', array( $user->user_login ), '1.5.1', 'retrieve_password' );
/**
* Fires before a new password is retrieved.
*
* @since 1.5.1
*
* @param string $user_login The user login name.
*/
do_action( 'retrieve_password', $user->user_login );
$password_reset_allowed = wp_is_password_reset_allowed_for_user( $user );
if ( ! $password_reset_allowed ) {
return new WP_Error( 'no_password_reset', __( 'Password reset is not allowed for this user' ) );
} elseif ( is_wp_error( $password_reset_allowed ) ) {
return $password_reset_allowed;
}
// Generate something random for a password reset key.
$key = wp_generate_password( 20, false );
/**
* Fires when a password reset key is generated.
*
* @since 2.5.0
*
* @param string $user_login The username for the user.
* @param string $key The generated password reset key.
*/
do_action( 'retrieve_password_key', $user->user_login, $key );
$hashed = time() . ':' . wp_fast_hash( $key );
$key_saved = wp_update_user(
array(
'ID' => $user->ID,
'user_activation_key' => $hashed,
)
);
if ( is_wp_error( $key_saved ) ) {
return $key_saved;
}
return $key;
}
/**
* Retrieves a user row based on password reset key and login.
*
* A key is considered 'expired' if it exactly matches the value of the
* user_activation_key field, rather than being matched after going through the
* hashing process. This field is now hashed; old values are no longer accepted
* but have a different WP_Error code so good user feedback can be provided.
*
* @since 3.1.0
*
* @param string $key The password reset key.
* @param string $login The user login.
* @return WP_User|WP_Error WP_User object on success, WP_Error object for invalid or expired keys.
*/
function check_password_reset_key(
#[\SensitiveParameter]
$key,
$login
) {
$key = preg_replace( '/[^a-z0-9]/i', '', $key );
if ( empty( $key ) || ! is_string( $key ) ) {
return new WP_Error( 'invalid_key', __( 'Invalid key.' ) );
}
if ( empty( $login ) || ! is_string( $login ) ) {
return new WP_Error( 'invalid_key', __( 'Invalid key.' ) );
}
$user = get_user_by( 'login', $login );
if ( ! $user ) {
return new WP_Error( 'invalid_key', __( 'Invalid key.' ) );
}
/**
* Filters the expiration time of password reset keys.
*
* @since 4.3.0
*
* @param int $expiration The expiration time in seconds.
*/
$expiration_duration = apply_filters( 'password_reset_expiration', DAY_IN_SECONDS );
if ( str_contains( $user->user_activation_key, ':' ) ) {
list( $pass_request_time, $pass_key ) = explode( ':', $user->user_activation_key, 2 );
$expiration_time = $pass_request_time + $expiration_duration;
} else {
$pass_key = $user->user_activation_key;
$expiration_time = false;
}
if ( ! $pass_key ) {
return new WP_Error( 'invalid_key', __( 'Invalid key.' ) );
}
$hash_is_correct = wp_verify_fast_hash( $key, $pass_key );
if ( $hash_is_correct && $expiration_time && time() < $expiration_time ) {
return $user;
} elseif ( $hash_is_correct && $expiration_time ) {
// Key has an expiration time that's passed.
return new WP_Error( 'expired_key', __( 'Invalid key.' ) );
}
if ( hash_equals( $user->user_activation_key, $key ) || ( $hash_is_correct && ! $expiration_time ) ) {
$return = new WP_Error( 'expired_key', __( 'Invalid key.' ) );
$user_id = $user->ID;
/**
* Filters the return value of check_password_reset_key() when an
* old-style key or an expired key is used.
*
* @since 3.7.0 Previously plain-text keys were stored in the database.
* @since 4.3.0 Previously key hashes were stored without an expiration time.
*
* @param WP_Error $return A WP_Error object denoting an expired key.
* Return a WP_User object to validate the key.
* @param int $user_id The matched user ID.
*/
return apply_filters( 'password_reset_key_expired', $return, $user_id );
}
return new WP_Error( 'invalid_key', __( 'Invalid key.' ) );
}
/**
* Handles sending a password retrieval email to a user.
*
* @since 2.5.0
* @since 5.7.0 Added `$user_login` parameter.
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param string $user_login Optional. Username to send a password retrieval email for.
* Defaults to `$_POST['user_login']` if not set.
* @return true|WP_Error True when finished, WP_Error object on error.
*/
function retrieve_password( $user_login = '' ) {
$errors = new WP_Error();
$user_data = false;
// Use the passed $user_login if available, otherwise use $_POST['user_login'].
if ( ! $user_login && ! empty( $_POST['user_login'] ) ) {
$user_login = $_POST['user_login'];
}
$user_login = trim( wp_unslash( $user_login ) );
if ( empty( $user_login ) ) {
$errors->add( 'empty_username', __( 'Error: Please enter a username or email address.' ) );
} elseif ( strpos( $user_login, '@' ) ) {
$user_data = get_user_by( 'email', $user_login );
if ( empty( $user_data ) ) {
$user_data = get_user_by( 'login', $user_login );
}
if ( empty( $user_data ) ) {
$errors->add( 'invalid_email', __( 'Error: There is no account with that username or email address.' ) );
}
} else {
$user_data = get_user_by( 'login', $user_login );
}
/**
* Filters the user data during a password reset request.
*
* Allows, for example, custom validation using data other than username or email address.
*
* @since 5.7.0
*
* @param WP_User|false $user_data WP_User object if found, false if the user does not exist.
* @param WP_Error $errors A WP_Error object containing any errors generated
* by using invalid credentials.
*/
$user_data = apply_filters( 'lostpassword_user_data', $user_data, $errors );
/**
* Fires before errors are returned from a password reset request.
*
* @since 2.1.0
* @since 4.4.0 Added the `$errors` parameter.
* @since 5.4.0 Added the `$user_data` parameter.
*
* @param WP_Error $errors A WP_Error object containing any errors generated
* by using invalid credentials.
* @param WP_User|false $user_data WP_User object if found, false if the user does not exist.
*/
do_action( 'lostpassword_post', $errors, $user_data );
/**
* Filters the errors encountered on a password reset request.
*
* The filtered WP_Error object may, for example, contain errors for an invalid
* username or email address. A WP_Error object should always be returned,
* but may or may not contain errors.
*
* If any errors are present in $errors, this will abort the password reset request.
*
* @since 5.5.0
*
* @param WP_Error $errors A WP_Error object containing any errors generated
* by using invalid credentials.
* @param WP_User|false $user_data WP_User object if found, false if the user does not exist.
*/
$errors = apply_filters( 'lostpassword_errors', $errors, $user_data );
if ( $errors->has_errors() ) {
return $errors;
}
if ( ! $user_data ) {
$errors->add( 'invalidcombo', __( 'Error: There is no account with that username or email address.' ) );
return $errors;
}
/**
* Filters whether to send the retrieve password email.
*
* Return false to disable sending the email.
*
* @since 6.0.0
*
* @param bool $send Whether to send the email.
* @param string $user_login The username for the user.
* @param WP_User $user_data WP_User object.
*/
if ( ! apply_filters( 'send_retrieve_password_email', true, $user_login, $user_data ) ) {
return true;
}
// Redefining user_login ensures we return the right case in the email.
$user_login = $user_data->user_login;
$user_email = $user_data->user_email;
$key = get_password_reset_key( $user_data );
if ( is_wp_error( $key ) ) {
return $key;
}
// Localize password reset message content for user.
$locale = get_user_locale( $user_data );
$switched_locale = switch_to_user_locale( $user_data->ID );
if ( is_multisite() ) {
$site_name = get_network()->site_name;
} else {
/*
* The blogname option is escaped with esc_html on the way into the database
* in sanitize_option. We want to reverse this for the plain text arena of emails.
*/
$site_name = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
}
$message = __( 'Someone has requested a password reset for the following account:' ) . "\r\n\r\n";
/* translators: %s: Site name. */
$message .= sprintf( __( 'Site Name: %s' ), $site_name ) . "\r\n\r\n";
/* translators: %s: User login. */
$message .= sprintf( __( 'Username: %s' ), $user_login ) . "\r\n\r\n";
$message .= __( 'If this was a mistake, ignore this email and nothing will happen.' ) . "\r\n\r\n";
$message .= __( 'To reset your password, visit the following address:' ) . "\r\n\r\n";
/*
* Since some user login names end in a period, this could produce ambiguous URLs that
* end in a period. To avoid the ambiguity, ensure that the login is not the last query
* arg in the URL. If moving it to the end, a trailing period will need to be escaped.
*
* @see https://core.trac.wordpress.org/tickets/42957
*/
$message .= network_site_url( 'wp-login.php?login=' . rawurlencode( $user_login ) . "&key=$key&action=rp", 'login' ) . '&wp_lang=' . $locale . "\r\n\r\n";
if ( ! is_user_logged_in() ) {
$requester_ip = $_SERVER['REMOTE_ADDR'];
if ( $requester_ip ) {
$message .= sprintf(
/* translators: %s: IP address of password reset requester. */
__( 'This password reset request originated from the IP address %s.' ),
$requester_ip
) . "\r\n";
}
}
/* translators: Password reset notification email subject. %s: Site title. */
$title = sprintf( __( '[%s] Password Reset' ), $site_name );
/**
* Filters the subject of the password reset email.
*
* @since 2.8.0
* @since 4.4.0 Added the `$user_login` and `$user_data` parameters.
*
* @param string $title Email subject.
* @param string $user_login The username for the user.
* @param WP_User $user_data WP_User object.
*/
$title = apply_filters( 'retrieve_password_title', $title, $user_login, $user_data );
/**
* Filters the message body of the password reset mail.
*
* If the filtered message is empty, the password reset email will not be sent.
*
* @since 2.8.0
* @since 4.1.0 Added `$user_login` and `$user_data` parameters.
*
* @param string $message Email message.
* @param string $key The activation key.
* @param string $user_login The username for the user.
* @param WP_User $user_data WP_User object.
*/
$message = apply_filters( 'retrieve_password_message', $message, $key, $user_login, $user_data );
// Short-circuit on falsey $message value for backwards compatibility.
if ( ! $message ) {
return true;
}
/*
* Wrap the single notification email arguments in an array
* to pass them to the retrieve_password_notification_email filter.
*/
$defaults = array(
'to' => $user_email,
'subject' => $title,
'message' => $message,
'headers' => '',
);
/**
* Filters the contents of the reset password notification email sent to the user.
*
* @since 6.0.0
*
* @param array $defaults {
* The default notification email arguments. Used to build wp_mail().
*
* @type string $to The intended recipient - user email address.
* @type string $subject The subject of the email.
* @type string $message The body of the email.
* @type string $headers The headers of the email.
* }
* @param string $key The activation key.
* @param string $user_login The username for the user.
* @param WP_User $user_data WP_User object.
*/
$notification_email = apply_filters( 'retrieve_password_notification_email', $defaults, $key, $user_login, $user_data );
if ( $switched_locale ) {
restore_previous_locale();
}
if ( is_array( $notification_email ) ) {
// Force key order and merge defaults in case any value is missing in the filtered array.
$notification_email = array_merge( $defaults, $notification_email );
} else {
$notification_email = $defaults;
}
list( $to, $subject, $message, $headers ) = array_values( $notification_email );
$subject = wp_specialchars_decode( $subject );
if ( ! wp_mail( $to, $subject, $message, $headers ) ) {
$errors->add(
'retrieve_password_email_failure',
sprintf(
/* translators: %s: Documentation URL. */
__( 'Error: The email could not be sent. Your site may not be correctly configured to send emails. Get support for resetting your password.' ),
esc_url( __( 'https://wordpress.org/documentation/article/reset-your-password/' ) )
)
);
return $errors;
}
return true;
}
/**
* Handles resetting the user's password.
*
* @since 2.5.0
*
* @param WP_User $user The user
* @param string $new_pass New password for the user in plaintext
*/
function reset_password(
$user,
#[\SensitiveParameter]
$new_pass
) {
/**
* Fires before the user's password is reset.
*
* @since 1.5.0
*
* @param WP_User $user The user.
* @param string $new_pass New user password.
*/
do_action( 'password_reset', $user, $new_pass );
wp_set_password( $new_pass, $user->ID );
update_user_meta( $user->ID, 'default_password_nag', false );
/**
* Fires after the user's password is reset.
*
* @since 4.4.0
*
* @param WP_User $user The user.
* @param string $new_pass New user password.
*/
do_action( 'after_password_reset', $user, $new_pass );
}
/**
* Handles registering a new user.
*
* @since 2.5.0
*
* @param string $user_login User's username for logging in
* @param string $user_email User's email address to send password and add
* @return int|WP_Error Either user's ID or error on failure.
*/
function register_new_user( $user_login, $user_email ) {
$errors = new WP_Error();
$sanitized_user_login = sanitize_user( $user_login );
/**
* Filters the email address of a user being registered.
*
* @since 2.1.0
*
* @param string $user_email The email address of the new user.
*/
$user_email = apply_filters( 'user_registration_email', $user_email );
// Check the username.
if ( '' === $sanitized_user_login ) {
$errors->add( 'empty_username', __( 'Error: Please enter a username.' ) );
} elseif ( ! validate_username( $user_login ) ) {
$errors->add( 'invalid_username', __( 'Error: This username is invalid because it uses illegal characters. Please enter a valid username.' ) );
$sanitized_user_login = '';
} elseif ( username_exists( $sanitized_user_login ) ) {
$errors->add( 'username_exists', __( 'Error: This username is already registered. Please choose another one.' ) );
} else {
/** This filter is documented in wp-includes/user.php */
$illegal_user_logins = (array) apply_filters( 'illegal_user_logins', array() );
if ( in_array( strtolower( $sanitized_user_login ), array_map( 'strtolower', $illegal_user_logins ), true ) ) {
$errors->add( 'invalid_username', __( 'Error: Sorry, that username is not allowed.' ) );
}
}
// Check the email address.
if ( '' === $user_email ) {
$errors->add( 'empty_email', __( 'Error: Please type your email address.' ) );
} elseif ( ! is_email( $user_email ) ) {
$errors->add( 'invalid_email', __( 'Error: The email address is not correct.' ) );
$user_email = '';
} elseif ( email_exists( $user_email ) ) {
$errors->add(
'email_exists',
sprintf(
/* translators: %s: Link to the login page. */
__( 'Error: This email address is already registered. Log in with this address or choose another one.' ),
wp_login_url()
)
);
}
/**
* Fires when submitting registration form data, before the user is created.
*
* @since 2.1.0
*
* @param string $sanitized_user_login The submitted username after being sanitized.
* @param string $user_email The submitted email.
* @param WP_Error $errors Contains any errors with submitted username and email,
* e.g., an empty field, an invalid username or email,
* or an existing username or email.
*/
do_action( 'register_post', $sanitized_user_login, $user_email, $errors );
/**
* Filters the errors encountered when a new user is being registered.
*
* The filtered WP_Error object may, for example, contain errors for an invalid
* or existing username or email address. A WP_Error object should always be returned,
* but may or may not contain errors.
*
* If any errors are present in $errors, this will abort the user's registration.
*
* @since 2.1.0
*
* @param WP_Error $errors A WP_Error object containing any errors encountered
* during registration.
* @param string $sanitized_user_login User's username after it has been sanitized.
* @param string $user_email User's email.
*/
$errors = apply_filters( 'registration_errors', $errors, $sanitized_user_login, $user_email );
if ( $errors->has_errors() ) {
return $errors;
}
$user_pass = wp_generate_password( 12, false );
$user_id = wp_create_user( $sanitized_user_login, $user_pass, $user_email );
if ( ! $user_id || is_wp_error( $user_id ) ) {
$errors->add(
'registerfail',
sprintf(
/* translators: %s: Admin email address. */
__( 'Error: Could not register you… please contact the site admin!' ),
get_option( 'admin_email' )
)
);
return $errors;
}
update_user_meta( $user_id, 'default_password_nag', true ); // Set up the password change nag.
if ( ! empty( $_COOKIE['wp_lang'] ) ) {
$wp_lang = sanitize_text_field( $_COOKIE['wp_lang'] );
if ( in_array( $wp_lang, get_available_languages(), true ) ) {
update_user_meta( $user_id, 'locale', $wp_lang ); // Set user locale if defined on registration.
}
}
/**
* Fires after a new user registration has been recorded.
*
* @since 4.4.0
*
* @param int $user_id ID of the newly registered user.
*/
do_action( 'register_new_user', $user_id );
return $user_id;
}
/**
* Initiates email notifications related to the creation of new users.
*
* Notifications are sent both to the site admin and to the newly created user.
*
* @since 4.4.0
* @since 4.6.0 Converted the `$notify` parameter to accept 'user' for sending
* notifications only to the user created.
*
* @param int $user_id ID of the newly created user.
* @param string $notify Optional. Type of notification that should happen. Accepts 'admin'
* or an empty string (admin only), 'user', or 'both' (admin and user).
* Default 'both'.
*/
function wp_send_new_user_notifications( $user_id, $notify = 'both' ) {
wp_new_user_notification( $user_id, null, $notify );
}
/**
* Retrieves the current session token from the logged_in cookie.
*
* @since 4.0.0
*
* @return string Token.
*/
function wp_get_session_token() {
$cookie = wp_parse_auth_cookie( '', 'logged_in' );
return ! empty( $cookie['token'] ) ? $cookie['token'] : '';
}
/**
* Retrieves a list of sessions for the current user.
*
* @since 4.0.0
*
* @return array Array of sessions.
*/
function wp_get_all_sessions() {
$manager = WP_Session_Tokens::get_instance( get_current_user_id() );
return $manager->get_all();
}
/**
* Removes the current session token from the database.
*
* @since 4.0.0
*/
function wp_destroy_current_session() {
$token = wp_get_session_token();
if ( $token ) {
$manager = WP_Session_Tokens::get_instance( get_current_user_id() );
$manager->destroy( $token );
}
}
/**
* Removes all but the current session token for the current user for the database.
*
* @since 4.0.0
*/
function wp_destroy_other_sessions() {
$token = wp_get_session_token();
if ( $token ) {
$manager = WP_Session_Tokens::get_instance( get_current_user_id() );
$manager->destroy_others( $token );
}
}
/**
* Removes all session tokens for the current user from the database.
*
* @since 4.0.0
*/
function wp_destroy_all_sessions() {
$manager = WP_Session_Tokens::get_instance( get_current_user_id() );
$manager->destroy_all();
}
/**
* Gets the user IDs of all users with no role on this site.
*
* @since 4.4.0
* @since 4.9.0 The `$site_id` parameter was added to support multisite.
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param int|null $site_id Optional. The site ID to get users with no role for. Defaults to the current site.
* @return string[] Array of user IDs as strings.
*/
function wp_get_users_with_no_role( $site_id = null ) {
global $wpdb;
if ( ! $site_id ) {
$site_id = get_current_blog_id();
}
$prefix = $wpdb->get_blog_prefix( $site_id );
if ( is_multisite() && get_current_blog_id() !== $site_id ) {
switch_to_blog( $site_id );
$role_names = wp_roles()->get_names();
restore_current_blog();
} else {
$role_names = wp_roles()->get_names();
}
$regex = implode( '|', array_keys( $role_names ) );
$regex = preg_replace( '/[^a-zA-Z_\|-]/', '', $regex );
$users = $wpdb->get_col(
$wpdb->prepare(
"SELECT user_id
FROM $wpdb->usermeta
WHERE meta_key = '{$prefix}capabilities'
AND meta_value NOT REGEXP %s",
$regex
)
);
return $users;
}
/**
* Retrieves the current user object.
*
* Will set the current user, if the current user is not set. The current user
* will be set to the logged-in person. If no user is logged-in, then it will
* set the current user to 0, which is invalid and won't have any permissions.
*
* This function is used by the pluggable functions wp_get_current_user() and
* get_currentuserinfo(), the latter of which is deprecated but used for backward
* compatibility.
*
* @since 4.5.0
* @access private
*
* @see wp_get_current_user()
* @global WP_User $current_user Checks if the current user is set.
*
* @return WP_User Current WP_User instance.
*/
function _wp_get_current_user() {
global $current_user;
if ( ! empty( $current_user ) ) {
if ( $current_user instanceof WP_User ) {
return $current_user;
}
// Upgrade stdClass to WP_User.
if ( is_object( $current_user ) && isset( $current_user->ID ) ) {
$cur_id = $current_user->ID;
$current_user = null;
wp_set_current_user( $cur_id );
return $current_user;
}
// $current_user has a junk value. Force to WP_User with ID 0.
$current_user = null;
wp_set_current_user( 0 );
return $current_user;
}
if ( defined( 'XMLRPC_REQUEST' ) && XMLRPC_REQUEST ) {
wp_set_current_user( 0 );
return $current_user;
}
/**
* Filters the current user.
*
* The default filters use this to determine the current user from the
* request's cookies, if available.
*
* Returning a value of false will effectively short-circuit setting
* the current user.
*
* @since 3.9.0
*
* @param int|false $user_id User ID if one has been determined, false otherwise.
*/
$user_id = apply_filters( 'determine_current_user', false );
if ( ! $user_id ) {
wp_set_current_user( 0 );
return $current_user;
}
wp_set_current_user( $user_id );
return $current_user;
}
/**
* Sends a confirmation request email when a change of user email address is attempted.
*
* @since 3.0.0
* @since 4.9.0 This function was moved from wp-admin/includes/ms.php so it's no longer Multisite specific.
*
* @global WP_Error $errors WP_Error object.
*/
function send_confirmation_on_profile_email() {
global $errors;
$current_user = wp_get_current_user();
if ( ! is_object( $errors ) ) {
$errors = new WP_Error();
}
if ( $current_user->ID !== (int) $_POST['user_id'] ) {
return false;
}
if ( $current_user->user_email !== $_POST['email'] ) {
if ( ! is_email( $_POST['email'] ) ) {
$errors->add(
'user_email',
__( 'Error: The email address is not correct.' ),
array(
'form-field' => 'email',
)
);
return;
}
if ( email_exists( $_POST['email'] ) ) {
$errors->add(
'user_email',
__( 'Error: The email address is already used.' ),
array(
'form-field' => 'email',
)
);
delete_user_meta( $current_user->ID, '_new_email' );
return;
}
$hash = md5( $_POST['email'] . time() . wp_rand() );
$new_user_email = array(
'hash' => $hash,
'newemail' => $_POST['email'],
);
update_user_meta( $current_user->ID, '_new_email', $new_user_email );
$sitename = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
/* translators: Do not translate USERNAME, ADMIN_URL, EMAIL, SITENAME, SITEURL: those are placeholders. */
$email_text = __(
'Howdy ###USERNAME###,
You recently requested to have the email address on your account changed.
If this is correct, please click on the following link to change it:
###ADMIN_URL###
You can safely ignore and delete this email if you do not want to
take this action.
This email has been sent to ###EMAIL###
Regards,
All at ###SITENAME###
###SITEURL###'
);
/**
* Filters the text of the email sent when a change of user email address is attempted.
*
* The following strings have a special meaning and will get replaced dynamically:
* - ###USERNAME### The current user's username.
* - ###ADMIN_URL### The link to click on to confirm the email change.
* - ###EMAIL### The new email.
* - ###SITENAME### The name of the site.
* - ###SITEURL### The URL to the site.
*
* @since MU (3.0.0)
* @since 4.9.0 This filter is no longer Multisite specific.
*
* @param string $email_text Text in the email.
* @param array $new_user_email {
* Data relating to the new user email address.
*
* @type string $hash The secure hash used in the confirmation link URL.
* @type string $newemail The proposed new email address.
* }
*/
$content = apply_filters( 'new_user_email_content', $email_text, $new_user_email );
$content = str_replace( '###USERNAME###', $current_user->user_login, $content );
$content = str_replace( '###ADMIN_URL###', esc_url( self_admin_url( 'profile.php?newuseremail=' . $hash ) ), $content );
$content = str_replace( '###EMAIL###', $_POST['email'], $content );
$content = str_replace( '###SITENAME###', $sitename, $content );
$content = str_replace( '###SITEURL###', home_url(), $content );
/* translators: New email address notification email subject. %s: Site title. */
wp_mail( $_POST['email'], sprintf( __( '[%s] Email Change Request' ), $sitename ), $content );
$_POST['email'] = $current_user->user_email;
}
}
/**
* Adds an admin notice alerting the user to check for confirmation request email
* after email address change.
*
* @since 3.0.0
* @since 4.9.0 This function was moved from wp-admin/includes/ms.php so it's no longer Multisite specific.
*
* @global string $pagenow The filename of the current screen.
*/
function new_user_email_admin_notice() {
global $pagenow;
if ( 'profile.php' === $pagenow && isset( $_GET['updated'] ) ) {
$email = get_user_meta( get_current_user_id(), '_new_email', true );
if ( $email ) {
$message = sprintf(
/* translators: %s: New email address. */
__( 'Your email address has not been updated yet. Please check your inbox at %s for a confirmation email.' ),
'' . esc_html( $email['newemail'] ) . ''
);
wp_admin_notice( $message, array( 'type' => 'info' ) );
}
}
}
/**
* Gets all personal data request types.
*
* @since 4.9.6
* @access private
*
* @return string[] List of core privacy action types.
*/
function _wp_privacy_action_request_types() {
return array(
'export_personal_data',
'remove_personal_data',
);
}
/**
* Registers the personal data exporter for users.
*
* @since 4.9.6
*
* @param array[] $exporters An array of personal data exporters.
* @return array[] An array of personal data exporters.
*/
function wp_register_user_personal_data_exporter( $exporters ) {
$exporters['wordpress-user'] = array(
'exporter_friendly_name' => __( 'WordPress User' ),
'callback' => 'wp_user_personal_data_exporter',
);
return $exporters;
}
/**
* Finds and exports personal data associated with an email address from the user and user_meta table.
*
* @since 4.9.6
* @since 5.4.0 Added 'Community Events Location' group to the export data.
* @since 5.4.0 Added 'Session Tokens' group to the export data.
*
* @param string $email_address The user's email address.
* @return array {
* An array of personal data.
*
* @type array[] $data An array of personal data arrays.
* @type bool $done Whether the exporter is finished.
* }
*/
function wp_user_personal_data_exporter( $email_address ) {
$email_address = trim( $email_address );
$data_to_export = array();
$user = get_user_by( 'email', $email_address );
if ( ! $user ) {
return array(
'data' => array(),
'done' => true,
);
}
$user_meta = get_user_meta( $user->ID );
$user_props_to_export = array(
'ID' => __( 'User ID' ),
'user_login' => __( 'User Login Name' ),
'user_nicename' => __( 'User Nice Name' ),
'user_email' => __( 'User Email' ),
'user_url' => __( 'User URL' ),
'user_registered' => __( 'User Registration Date' ),
'display_name' => __( 'User Display Name' ),
'nickname' => __( 'User Nickname' ),
'first_name' => __( 'User First Name' ),
'last_name' => __( 'User Last Name' ),
'description' => __( 'User Description' ),
);
$user_data_to_export = array();
foreach ( $user_props_to_export as $key => $name ) {
$value = '';
switch ( $key ) {
case 'ID':
case 'user_login':
case 'user_nicename':
case 'user_email':
case 'user_url':
case 'user_registered':
case 'display_name':
$value = $user->data->$key;
break;
case 'nickname':
case 'first_name':
case 'last_name':
case 'description':
$value = $user_meta[ $key ][0];
break;
}
if ( ! empty( $value ) ) {
$user_data_to_export[] = array(
'name' => $name,
'value' => $value,
);
}
}
// Get the list of reserved names.
$reserved_names = array_values( $user_props_to_export );
/**
* Filters the user's profile data for the privacy exporter.
*
* @since 5.4.0
*
* @param array $additional_user_profile_data {
* An array of name-value pairs of additional user data items. Default empty array.
*
* @type string $name The user-facing name of an item name-value pair,e.g. 'IP Address'.
* @type string $value The user-facing value of an item data pair, e.g. '50.60.70.0'.
* }
* @param WP_User $user The user whose data is being exported.
* @param string[] $reserved_names An array of reserved names. Any item in `$additional_user_data`
* that uses one of these for its `name` will not be included in the export.
*/
$_extra_data = apply_filters( 'wp_privacy_additional_user_profile_data', array(), $user, $reserved_names );
if ( is_array( $_extra_data ) && ! empty( $_extra_data ) ) {
// Remove items that use reserved names.
$extra_data = array_filter(
$_extra_data,
static function ( $item ) use ( $reserved_names ) {
return ! in_array( $item['name'], $reserved_names, true );
}
);
if ( count( $extra_data ) !== count( $_extra_data ) ) {
_doing_it_wrong(
__FUNCTION__,
sprintf(
/* translators: %s: wp_privacy_additional_user_profile_data */
__( 'Filter %s returned items with reserved names.' ),
'wp_privacy_additional_user_profile_data'
),
'5.4.0'
);
}
if ( ! empty( $extra_data ) ) {
$user_data_to_export = array_merge( $user_data_to_export, $extra_data );
}
}
$data_to_export[] = array(
'group_id' => 'user',
'group_label' => __( 'User' ),
'group_description' => __( 'User’s profile data.' ),
'item_id' => "user-{$user->ID}",
'data' => $user_data_to_export,
);
if ( isset( $user_meta['community-events-location'] ) ) {
$location = maybe_unserialize( $user_meta['community-events-location'][0] );
$location_props_to_export = array(
'description' => __( 'City' ),
'country' => __( 'Country' ),
'latitude' => __( 'Latitude' ),
'longitude' => __( 'Longitude' ),
'ip' => __( 'IP' ),
);
$location_data_to_export = array();
foreach ( $location_props_to_export as $key => $name ) {
if ( ! empty( $location[ $key ] ) ) {
$location_data_to_export[] = array(
'name' => $name,
'value' => $location[ $key ],
);
}
}
$data_to_export[] = array(
'group_id' => 'community-events-location',
'group_label' => __( 'Community Events Location' ),
'group_description' => __( 'User’s location data used for the Community Events in the WordPress Events and News dashboard widget.' ),
'item_id' => "community-events-location-{$user->ID}",
'data' => $location_data_to_export,
);
}
if ( isset( $user_meta['session_tokens'] ) ) {
$session_tokens = maybe_unserialize( $user_meta['session_tokens'][0] );
$session_tokens_props_to_export = array(
'expiration' => __( 'Expiration' ),
'ip' => __( 'IP' ),
'ua' => __( 'User Agent' ),
'login' => __( 'Last Login' ),
);
foreach ( $session_tokens as $token_key => $session_token ) {
$session_tokens_data_to_export = array();
foreach ( $session_tokens_props_to_export as $key => $name ) {
if ( ! empty( $session_token[ $key ] ) ) {
$value = $session_token[ $key ];
if ( in_array( $key, array( 'expiration', 'login' ), true ) ) {
$value = date_i18n( 'F d, Y H:i A', $value );
}
$session_tokens_data_to_export[] = array(
'name' => $name,
'value' => $value,
);
}
}
$data_to_export[] = array(
'group_id' => 'session-tokens',
'group_label' => __( 'Session Tokens' ),
'group_description' => __( 'User’s Session Tokens data.' ),
'item_id' => "session-tokens-{$user->ID}-{$token_key}",
'data' => $session_tokens_data_to_export,
);
}
}
return array(
'data' => $data_to_export,
'done' => true,
);
}
/**
* Updates log when privacy request is confirmed.
*
* @since 4.9.6
* @access private
*
* @param int $request_id ID of the request.
*/
function _wp_privacy_account_request_confirmed( $request_id ) {
$request = wp_get_user_request( $request_id );
if ( ! $request ) {
return;
}
if ( ! in_array( $request->status, array( 'request-pending', 'request-failed' ), true ) ) {
return;
}
update_post_meta( $request_id, '_wp_user_request_confirmed_timestamp', time() );
wp_update_post(
array(
'ID' => $request_id,
'post_status' => 'request-confirmed',
)
);
}
/**
* Notifies the site administrator via email when a request is confirmed.
*
* Without this, the admin would have to manually check the site to see if any
* action was needed on their part yet.
*
* @since 4.9.6
*
* @param int $request_id The ID of the request.
*/
function _wp_privacy_send_request_confirmation_notification( $request_id ) {
$request = wp_get_user_request( $request_id );
if ( ! ( $request instanceof WP_User_Request ) || 'request-confirmed' !== $request->status ) {
return;
}
$already_notified = (bool) get_post_meta( $request_id, '_wp_admin_notified', true );
if ( $already_notified ) {
return;
}
if ( 'export_personal_data' === $request->action_name ) {
$manage_url = admin_url( 'export-personal-data.php' );
} elseif ( 'remove_personal_data' === $request->action_name ) {
$manage_url = admin_url( 'erase-personal-data.php' );
}
$action_description = wp_user_request_action_description( $request->action_name );
/**
* Filters the recipient of the data request confirmation notification.
*
* In a Multisite environment, this will default to the email address of the
* network admin because, by default, single site admins do not have the
* capabilities required to process requests. Some networks may wish to
* delegate those capabilities to a single-site admin, or a dedicated person
* responsible for managing privacy requests.
*
* @since 4.9.6
*
* @param string $admin_email The email address of the notification recipient.
* @param WP_User_Request $request The request that is initiating the notification.
*/
$admin_email = apply_filters( 'user_request_confirmed_email_to', get_site_option( 'admin_email' ), $request );
$email_data = array(
'request' => $request,
'user_email' => $request->email,
'description' => $action_description,
'manage_url' => $manage_url,
'sitename' => wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ),
'siteurl' => home_url(),
'admin_email' => $admin_email,
);
$subject = sprintf(
/* translators: Privacy data request confirmed notification email subject. 1: Site title, 2: Name of the confirmed action. */
__( '[%1$s] Action Confirmed: %2$s' ),
$email_data['sitename'],
$action_description
);
/**
* Filters the subject of the user request confirmation email.
*
* @since 4.9.8
*
* @param string $subject The email subject.
* @param string $sitename The name of the site.
* @param array $email_data {
* Data relating to the account action email.
*
* @type WP_User_Request $request User request object.
* @type string $user_email The email address confirming a request.
* @type string $description Description of the action being performed so the user knows what the email is for.
* @type string $manage_url The link to click manage privacy requests of this type.
* @type string $sitename The site name sending the mail.
* @type string $siteurl The site URL sending the mail.
* @type string $admin_email The administrator email receiving the mail.
* }
*/
$subject = apply_filters( 'user_request_confirmed_email_subject', $subject, $email_data['sitename'], $email_data );
/* translators: Do not translate SITENAME, USER_EMAIL, DESCRIPTION, MANAGE_URL, SITEURL; those are placeholders. */
$content = __(
'Howdy,
A user data privacy request has been confirmed on ###SITENAME###:
User: ###USER_EMAIL###
Request: ###DESCRIPTION###
You can view and manage these data privacy requests here:
###MANAGE_URL###
Regards,
All at ###SITENAME###
###SITEURL###'
);
/**
* Filters the body of the user request confirmation email.
*
* The email is sent to an administrator when a user request is confirmed.
*
* The following strings have a special meaning and will get replaced dynamically:
*
* ###SITENAME### The name of the site.
* ###USER_EMAIL### The user email for the request.
* ###DESCRIPTION### Description of the action being performed so the user knows what the email is for.
* ###MANAGE_URL### The URL to manage requests.
* ###SITEURL### The URL to the site.
*
* @since 4.9.6
* @deprecated 5.8.0 Use {@see 'user_request_confirmed_email_content'} instead.
* For user erasure fulfillment email content
* use {@see 'user_erasure_fulfillment_email_content'} instead.
*
* @param string $content The email content.
* @param array $email_data {
* Data relating to the account action email.
*
* @type WP_User_Request $request User request object.
* @type string $user_email The email address confirming a request.
* @type string $description Description of the action being performed
* so the user knows what the email is for.
* @type string $manage_url The link to click manage privacy requests of this type.
* @type string $sitename The site name sending the mail.
* @type string $siteurl The site URL sending the mail.
* @type string $admin_email The administrator email receiving the mail.
* }
*/
$content = apply_filters_deprecated(
'user_confirmed_action_email_content',
array( $content, $email_data ),
'5.8.0',
sprintf(
/* translators: 1 & 2: Deprecation replacement options. */
__( '%1$s or %2$s' ),
'user_request_confirmed_email_content',
'user_erasure_fulfillment_email_content'
)
);
/**
* Filters the body of the user request confirmation email.
*
* The email is sent to an administrator when a user request is confirmed.
* The following strings have a special meaning and will get replaced dynamically:
*
* ###SITENAME### The name of the site.
* ###USER_EMAIL### The user email for the request.
* ###DESCRIPTION### Description of the action being performed so the user knows what the email is for.
* ###MANAGE_URL### The URL to manage requests.
* ###SITEURL### The URL to the site.
*
* @since 5.8.0
*
* @param string $content The email content.
* @param array $email_data {
* Data relating to the account action email.
*
* @type WP_User_Request $request User request object.
* @type string $user_email The email address confirming a request.
* @type string $description Description of the action being performed so the user knows what the email is for.
* @type string $manage_url The link to click manage privacy requests of this type.
* @type string $sitename The site name sending the mail.
* @type string $siteurl The site URL sending the mail.
* @type string $admin_email The administrator email receiving the mail.
* }
*/
$content = apply_filters( 'user_request_confirmed_email_content', $content, $email_data );
$content = str_replace( '###SITENAME###', $email_data['sitename'], $content );
$content = str_replace( '###USER_EMAIL###', $email_data['user_email'], $content );
$content = str_replace( '###DESCRIPTION###', $email_data['description'], $content );
$content = str_replace( '###MANAGE_URL###', sanitize_url( $email_data['manage_url'] ), $content );
$content = str_replace( '###SITEURL###', sanitize_url( $email_data['siteurl'] ), $content );
$headers = '';
/**
* Filters the headers of the user request confirmation email.
*
* @since 5.4.0
*
* @param string|array $headers The email headers.
* @param string $subject The email subject.
* @param string $content The email content.
* @param int $request_id The request ID.
* @param array $email_data {
* Data relating to the account action email.
*
* @type WP_User_Request $request User request object.
* @type string $user_email The email address confirming a request.
* @type string $description Description of the action being performed so the user knows what the email is for.
* @type string $manage_url The link to click manage privacy requests of this type.
* @type string $sitename The site name sending the mail.
* @type string $siteurl The site URL sending the mail.
* @type string $admin_email The administrator email receiving the mail.
* }
*/
$headers = apply_filters( 'user_request_confirmed_email_headers', $headers, $subject, $content, $request_id, $email_data );
$email_sent = wp_mail( $email_data['admin_email'], $subject, $content, $headers );
if ( $email_sent ) {
update_post_meta( $request_id, '_wp_admin_notified', true );
}
}
/**
* Notifies the user when their erasure request is fulfilled.
*
* Without this, the user would never know if their data was actually erased.
*
* @since 4.9.6
*
* @param int $request_id The privacy request post ID associated with this request.
*/
function _wp_privacy_send_erasure_fulfillment_notification( $request_id ) {
$request = wp_get_user_request( $request_id );
if ( ! ( $request instanceof WP_User_Request ) || 'request-completed' !== $request->status ) {
return;
}
$already_notified = (bool) get_post_meta( $request_id, '_wp_user_notified', true );
if ( $already_notified ) {
return;
}
// Localize message content for user; fallback to site default for visitors.
if ( ! empty( $request->user_id ) ) {
$switched_locale = switch_to_user_locale( $request->user_id );
} else {
$switched_locale = switch_to_locale( get_locale() );
}
/**
* Filters the recipient of the data erasure fulfillment notification.
*
* @since 4.9.6
*
* @param string $user_email The email address of the notification recipient.
* @param WP_User_Request $request The request that is initiating the notification.
*/
$user_email = apply_filters( 'user_erasure_fulfillment_email_to', $request->email, $request );
$email_data = array(
'request' => $request,
'message_recipient' => $user_email,
'privacy_policy_url' => get_privacy_policy_url(),
'sitename' => wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ),
'siteurl' => home_url(),
);
$subject = sprintf(
/* translators: Erasure request fulfilled notification email subject. %s: Site title. */
__( '[%s] Erasure Request Fulfilled' ),
$email_data['sitename']
);
/**
* Filters the subject of the email sent when an erasure request is completed.
*
* @since 4.9.8
* @deprecated 5.8.0 Use {@see 'user_erasure_fulfillment_email_subject'} instead.
*
* @param string $subject The email subject.
* @param string $sitename The name of the site.
* @param array $email_data {
* Data relating to the account action email.
*
* @type WP_User_Request $request User request object.
* @type string $message_recipient The address that the email will be sent to. Defaults
* to the value of `$request->email`, but can be changed
* by the `user_erasure_fulfillment_email_to` filter.
* @type string $privacy_policy_url Privacy policy URL.
* @type string $sitename The site name sending the mail.
* @type string $siteurl The site URL sending the mail.
* }
*/
$subject = apply_filters_deprecated(
'user_erasure_complete_email_subject',
array( $subject, $email_data['sitename'], $email_data ),
'5.8.0',
'user_erasure_fulfillment_email_subject'
);
/**
* Filters the subject of the email sent when an erasure request is completed.
*
* @since 5.8.0
*
* @param string $subject The email subject.
* @param string $sitename The name of the site.
* @param array $email_data {
* Data relating to the account action email.
*
* @type WP_User_Request $request User request object.
* @type string $message_recipient The address that the email will be sent to. Defaults
* to the value of `$request->email`, but can be changed
* by the `user_erasure_fulfillment_email_to` filter.
* @type string $privacy_policy_url Privacy policy URL.
* @type string $sitename The site name sending the mail.
* @type string $siteurl The site URL sending the mail.
* }
*/
$subject = apply_filters( 'user_erasure_fulfillment_email_subject', $subject, $email_data['sitename'], $email_data );
/* translators: Do not translate SITENAME, SITEURL; those are placeholders. */
$content = __(
'Howdy,
Your request to erase your personal data on ###SITENAME### has been completed.
If you have any follow-up questions or concerns, please contact the site administrator.
Regards,
All at ###SITENAME###
###SITEURL###'
);
if ( ! empty( $email_data['privacy_policy_url'] ) ) {
/* translators: Do not translate SITENAME, SITEURL, PRIVACY_POLICY_URL; those are placeholders. */
$content = __(
'Howdy,
Your request to erase your personal data on ###SITENAME### has been completed.
If you have any follow-up questions or concerns, please contact the site administrator.
For more information, you can also read our privacy policy: ###PRIVACY_POLICY_URL###
Regards,
All at ###SITENAME###
###SITEURL###'
);
}
/**
* Filters the body of the data erasure fulfillment notification.
*
* The email is sent to a user when their data erasure request is fulfilled
* by an administrator.
*
* The following strings have a special meaning and will get replaced dynamically:
*
* ###SITENAME### The name of the site.
* ###PRIVACY_POLICY_URL### Privacy policy page URL.
* ###SITEURL### The URL to the site.
*
* @since 4.9.6
* @deprecated 5.8.0 Use {@see 'user_erasure_fulfillment_email_content'} instead.
* For user request confirmation email content
* use {@see 'user_request_confirmed_email_content'} instead.
*
* @param string $content The email content.
* @param array $email_data {
* Data relating to the account action email.
*
* @type WP_User_Request $request User request object.
* @type string $message_recipient The address that the email will be sent to. Defaults
* to the value of `$request->email`, but can be changed
* by the `user_erasure_fulfillment_email_to` filter.
* @type string $privacy_policy_url Privacy policy URL.
* @type string $sitename The site name sending the mail.
* @type string $siteurl The site URL sending the mail.
* }
*/
$content = apply_filters_deprecated(
'user_confirmed_action_email_content',
array( $content, $email_data ),
'5.8.0',
sprintf(
/* translators: 1 & 2: Deprecation replacement options. */
__( '%1$s or %2$s' ),
'user_erasure_fulfillment_email_content',
'user_request_confirmed_email_content'
)
);
/**
* Filters the body of the data erasure fulfillment notification.
*
* The email is sent to a user when their data erasure request is fulfilled
* by an administrator.
*
* The following strings have a special meaning and will get replaced dynamically:
*
* ###SITENAME### The name of the site.
* ###PRIVACY_POLICY_URL### Privacy policy page URL.
* ###SITEURL### The URL to the site.
*
* @since 5.8.0
*
* @param string $content The email content.
* @param array $email_data {
* Data relating to the account action email.
*
* @type WP_User_Request $request User request object.
* @type string $message_recipient The address that the email will be sent to. Defaults
* to the value of `$request->email`, but can be changed
* by the `user_erasure_fulfillment_email_to` filter.
* @type string $privacy_policy_url Privacy policy URL.
* @type string $sitename The site name sending the mail.
* @type string $siteurl The site URL sending the mail.
* }
*/
$content = apply_filters( 'user_erasure_fulfillment_email_content', $content, $email_data );
$content = str_replace( '###SITENAME###', $email_data['sitename'], $content );
$content = str_replace( '###PRIVACY_POLICY_URL###', $email_data['privacy_policy_url'], $content );
$content = str_replace( '###SITEURL###', sanitize_url( $email_data['siteurl'] ), $content );
$headers = '';
/**
* Filters the headers of the data erasure fulfillment notification.
*
* @since 5.4.0
* @deprecated 5.8.0 Use {@see 'user_erasure_fulfillment_email_headers'} instead.
*
* @param string|array $headers The email headers.
* @param string $subject The email subject.
* @param string $content The email content.
* @param int $request_id The request ID.
* @param array $email_data {
* Data relating to the account action email.
*
* @type WP_User_Request $request User request object.
* @type string $message_recipient The address that the email will be sent to. Defaults
* to the value of `$request->email`, but can be changed
* by the `user_erasure_fulfillment_email_to` filter.
* @type string $privacy_policy_url Privacy policy URL.
* @type string $sitename The site name sending the mail.
* @type string $siteurl The site URL sending the mail.
* }
*/
$headers = apply_filters_deprecated(
'user_erasure_complete_email_headers',
array( $headers, $subject, $content, $request_id, $email_data ),
'5.8.0',
'user_erasure_fulfillment_email_headers'
);
/**
* Filters the headers of the data erasure fulfillment notification.
*
* @since 5.8.0
*
* @param string|array $headers The email headers.
* @param string $subject The email subject.
* @param string $content The email content.
* @param int $request_id The request ID.
* @param array $email_data {
* Data relating to the account action email.
*
* @type WP_User_Request $request User request object.
* @type string $message_recipient The address that the email will be sent to. Defaults
* to the value of `$request->email`, but can be changed
* by the `user_erasure_fulfillment_email_to` filter.
* @type string $privacy_policy_url Privacy policy URL.
* @type string $sitename The site name sending the mail.
* @type string $siteurl The site URL sending the mail.
* }
*/
$headers = apply_filters( 'user_erasure_fulfillment_email_headers', $headers, $subject, $content, $request_id, $email_data );
$email_sent = wp_mail( $user_email, $subject, $content, $headers );
if ( $switched_locale ) {
restore_previous_locale();
}
if ( $email_sent ) {
update_post_meta( $request_id, '_wp_user_notified', true );
}
}
/**
* Returns request confirmation message HTML.
*
* @since 4.9.6
* @access private
*
* @param int $request_id The request ID being confirmed.
* @return string The confirmation message.
*/
function _wp_privacy_account_request_confirmed_message( $request_id ) {
$request = wp_get_user_request( $request_id );
$message = '' . __( 'Action has been confirmed.' ) . '
'; $message .= '' . __( 'The site administrator has been notified and will fulfill your request as soon as possible.' ) . '
'; if ( $request && in_array( $request->action_name, _wp_privacy_action_request_types(), true ) ) { if ( 'export_personal_data' === $request->action_name ) { $message = '' . __( 'Thanks for confirming your export request.' ) . '
'; $message .= '' . __( 'The site administrator has been notified. You will receive a link to download your export via email when they fulfill your request.' ) . '
'; } elseif ( 'remove_personal_data' === $request->action_name ) { $message = '' . __( 'Thanks for confirming your erasure request.' ) . '
'; $message .= '' . __( 'The site administrator has been notified. You will receive an email confirmation when they erase your data.' ) . '
'; } } /** * Filters the message displayed to a user when they confirm a data request. * * @since 4.9.6 * * @param string $message The message to the user. * @param int $request_id The ID of the request being confirmed. */ $message = apply_filters( 'user_request_action_confirmed_message', $message, $request_id ); return $message; } /** * Creates and logs a user request to perform a specific action. * * Requests are stored inside a post type named `user_request` since they can apply to both * users on the site, or guests without a user account. * * @since 4.9.6 * @since 5.7.0 Added the `$status` parameter. * * @param string $email_address User email address. This can be the address of a registered * or non-registered user. * @param string $action_name Name of the action that is being confirmed. Required. * @param array $request_data Misc data you want to send with the verification request and pass * to the actions once the request is confirmed. * @param string $status Optional request status (pending or confirmed). Default 'pending'. * @return int|WP_Error Returns the request ID if successful, or a WP_Error object on failure. */ function wp_create_user_request( $email_address = '', $action_name = '', $request_data = array(), $status = 'pending' ) { $email_address = sanitize_email( $email_address ); $action_name = sanitize_key( $action_name ); if ( ! is_email( $email_address ) ) { return new WP_Error( 'invalid_email', __( 'Invalid email address.' ) ); } if ( ! in_array( $action_name, _wp_privacy_action_request_types(), true ) ) { return new WP_Error( 'invalid_action', __( 'Invalid action name.' ) ); } if ( ! in_array( $status, array( 'pending', 'confirmed' ), true ) ) { return new WP_Error( 'invalid_status', __( 'Invalid request status.' ) ); } $user = get_user_by( 'email', $email_address ); $user_id = $user && ! is_wp_error( $user ) ? $user->ID : 0; // Check for duplicates. $requests_query = new WP_Query( array( 'post_type' => 'user_request', 'post_name__in' => array( $action_name ), // Action name stored in post_name column. 'title' => $email_address, // Email address stored in post_title column. 'post_status' => array( 'request-pending', 'request-confirmed', ), 'fields' => 'ids', ) ); if ( $requests_query->found_posts ) { return new WP_Error( 'duplicate_request', __( 'An incomplete personal data request for this email address already exists.' ) ); } $request_id = wp_insert_post( array( 'post_author' => $user_id, 'post_name' => $action_name, 'post_title' => $email_address, 'post_content' => wp_json_encode( $request_data ), 'post_status' => 'request-' . $status, 'post_type' => 'user_request', 'post_date' => current_time( 'mysql', false ), 'post_date_gmt' => current_time( 'mysql', true ), ), true ); return $request_id; } /** * Gets action description from the name and return a string. * * @since 4.9.6 * * @param string $action_name Action name of the request. * @return string Human readable action name. */ function wp_user_request_action_description( $action_name ) { switch ( $action_name ) { case 'export_personal_data': $description = __( 'Export Personal Data' ); break; case 'remove_personal_data': $description = __( 'Erase Personal Data' ); break; default: /* translators: %s: Action name. */ $description = sprintf( __( 'Confirm the "%s" action' ), $action_name ); break; } /** * Filters the user action description. * * @since 4.9.6 * * @param string $description The default description. * @param string $action_name The name of the request. */ return apply_filters( 'user_request_action_description', $description, $action_name ); } /** * Send a confirmation request email to confirm an action. * * If the request is not already pending, it will be updated. * * @since 4.9.6 * * @param string $request_id ID of the request created via wp_create_user_request(). * @return true|WP_Error True on success, `WP_Error` on failure. */ function wp_send_user_request( $request_id ) { $request_id = absint( $request_id ); $request = wp_get_user_request( $request_id ); if ( ! $request ) { return new WP_Error( 'invalid_request', __( 'Invalid personal data request.' ) ); } // Localize message content for user; fallback to site default for visitors. if ( ! empty( $request->user_id ) ) { $switched_locale = switch_to_user_locale( $request->user_id ); } else { $switched_locale = switch_to_locale( get_locale() ); } $email_data = array( 'request' => $request, 'email' => $request->email, 'description' => wp_user_request_action_description( $request->action_name ), 'confirm_url' => add_query_arg( array( 'action' => 'confirmaction', 'request_id' => $request_id, 'confirm_key' => wp_generate_user_request_key( $request_id ), ), wp_login_url() ), 'sitename' => wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ), 'siteurl' => home_url(), ); /* translators: Confirm privacy data request notification email subject. 1: Site title, 2: Name of the action. */ $subject = sprintf( __( '[%1$s] Confirm Action: %2$s' ), $email_data['sitename'], $email_data['description'] ); /** * Filters the subject of the email sent when an account action is attempted. * * @since 4.9.6 * * @param string $subject The email subject. * @param string $sitename The name of the site. * @param array $email_data { * Data relating to the account action email. * * @type WP_User_Request $request User request object. * @type string $email The email address this is being sent to. * @type string $description Description of the action being performed so the user knows what the email is for. * @type string $confirm_url The link to click on to confirm the account action. * @type string $sitename The site name sending the mail. * @type string $siteurl The site URL sending the mail. * } */ $subject = apply_filters( 'user_request_action_email_subject', $subject, $email_data['sitename'], $email_data ); /* translators: Do not translate DESCRIPTION, CONFIRM_URL, SITENAME, SITEURL: those are placeholders. */ $content = __( 'Howdy, A request has been made to perform the following action on your account: ###DESCRIPTION### To confirm this, please click on the following link: ###CONFIRM_URL### You can safely ignore and delete this email if you do not want to take this action. Regards, All at ###SITENAME### ###SITEURL###' ); /** * Filters the text of the email sent when an account action is attempted. * * The following strings have a special meaning and will get replaced dynamically: * * ###DESCRIPTION### Description of the action being performed so the user knows what the email is for. * ###CONFIRM_URL### The link to click on to confirm the account action. * ###SITENAME### The name of the site. * ###SITEURL### The URL to the site. * * @since 4.9.6 * * @param string $content Text in the email. * @param array $email_data { * Data relating to the account action email. * * @type WP_User_Request $request User request object. * @type string $email The email address this is being sent to. * @type string $description Description of the action being performed so the user knows what the email is for. * @type string $confirm_url The link to click on to confirm the account action. * @type string $sitename The site name sending the mail. * @type string $siteurl The site URL sending the mail. * } */ $content = apply_filters( 'user_request_action_email_content', $content, $email_data ); $content = str_replace( '###DESCRIPTION###', $email_data['description'], $content ); $content = str_replace( '###CONFIRM_URL###', sanitize_url( $email_data['confirm_url'] ), $content ); $content = str_replace( '###EMAIL###', $email_data['email'], $content ); $content = str_replace( '###SITENAME###', $email_data['sitename'], $content ); $content = str_replace( '###SITEURL###', sanitize_url( $email_data['siteurl'] ), $content ); $headers = ''; /** * Filters the headers of the email sent when an account action is attempted. * * @since 5.4.0 * * @param string|array $headers The email headers. * @param string $subject The email subject. * @param string $content The email content. * @param int $request_id The request ID. * @param array $email_data { * Data relating to the account action email. * * @type WP_User_Request $request User request object. * @type string $email The email address this is being sent to. * @type string $description Description of the action being performed so the user knows what the email is for. * @type string $confirm_url The link to click on to confirm the account action. * @type string $sitename The site name sending the mail. * @type string $siteurl The site URL sending the mail. * } */ $headers = apply_filters( 'user_request_action_email_headers', $headers, $subject, $content, $request_id, $email_data ); $email_sent = wp_mail( $email_data['email'], $subject, $content, $headers ); if ( $switched_locale ) { restore_previous_locale(); } if ( ! $email_sent ) { return new WP_Error( 'privacy_email_error', __( 'Unable to send personal data export confirmation email.' ) ); } return true; } /** * Returns a confirmation key for a user action and stores the hashed version for future comparison. * * @since 4.9.6 * * @param int $request_id Request ID. * @return string Confirmation key. */ function wp_generate_user_request_key( $request_id ) { // Generate something random for a confirmation key. $key = wp_generate_password( 20, false ); // Save the key, hashed. wp_update_post( array( 'ID' => $request_id, 'post_status' => 'request-pending', 'post_password' => wp_fast_hash( $key ), ) ); return $key; } /** * Validates a user request by comparing the key with the request's key. * * @since 4.9.6 * * @param string $request_id ID of the request being confirmed. * @param string $key Provided key to validate. * @return true|WP_Error True on success, WP_Error on failure. */ function wp_validate_user_request_key( $request_id, #[\SensitiveParameter] $key ) { $request_id = absint( $request_id ); $request = wp_get_user_request( $request_id ); $saved_key = $request->confirm_key; $key_request_time = $request->modified_timestamp; if ( ! $request || ! $saved_key || ! $key_request_time ) { return new WP_Error( 'invalid_request', __( 'Invalid personal data request.' ) ); } if ( ! in_array( $request->status, array( 'request-pending', 'request-failed' ), true ) ) { return new WP_Error( 'expired_request', __( 'This personal data request has expired.' ) ); } if ( empty( $key ) ) { return new WP_Error( 'missing_key', __( 'The confirmation key is missing from this personal data request.' ) ); } /** * Filters the expiration time of confirm keys. * * @since 4.9.6 * * @param int $expiration The expiration time in seconds. */ $expiration_duration = (int) apply_filters( 'user_request_key_expiration', DAY_IN_SECONDS ); $expiration_time = $key_request_time + $expiration_duration; if ( ! wp_verify_fast_hash( $key, $saved_key ) ) { return new WP_Error( 'invalid_key', __( 'The confirmation key is invalid for this personal data request.' ) ); } if ( ! $expiration_time || time() > $expiration_time ) { return new WP_Error( 'expired_key', __( 'The confirmation key has expired for this personal data request.' ) ); } return true; } /** * Returns the user request object for the specified request ID. * * @since 4.9.6 * * @param int $request_id The ID of the user request. * @return WP_User_Request|false */ function wp_get_user_request( $request_id ) { $request_id = absint( $request_id ); $post = get_post( $request_id ); if ( ! $post || 'user_request' !== $post->post_type ) { return false; } return new WP_User_Request( $post ); } /** * Checks if Application Passwords is supported. * * Application Passwords is supported only by sites using SSL or local environments * but may be made available using the {@see 'wp_is_application_passwords_available'} filter. * * @since 5.9.0 * * @return bool */ function wp_is_application_passwords_supported() { return is_ssl() || 'local' === wp_get_environment_type(); } /** * Checks if Application Passwords is globally available. * * By default, Application Passwords is available to all sites using SSL or to local environments. * Use the {@see 'wp_is_application_passwords_available'} filter to adjust its availability. * * @since 5.6.0 * * @return bool */ function wp_is_application_passwords_available() { /** * Filters whether Application Passwords is available. * * @since 5.6.0 * * @param bool $available True if available, false otherwise. */ return apply_filters( 'wp_is_application_passwords_available', wp_is_application_passwords_supported() ); } /** * Checks if Application Passwords is available for a specific user. * * By default all users can use Application Passwords. Use {@see 'wp_is_application_passwords_available_for_user'} * to restrict availability to certain users. * * @since 5.6.0 * * @param int|WP_User $user The user to check. * @return bool */ function wp_is_application_passwords_available_for_user( $user ) { if ( ! wp_is_application_passwords_available() ) { return false; } if ( ! is_object( $user ) ) { $user = get_userdata( $user ); } if ( ! $user || ! $user->exists() ) { return false; } /** * Filters whether Application Passwords is available for a specific user. * * @since 5.6.0 * * @param bool $available True if available, false otherwise. * @param WP_User $user The user to check. */ return apply_filters( 'wp_is_application_passwords_available_for_user', true, $user ); } /** * Registers the user meta property for persisted preferences. * * This property is used to store user preferences across page reloads and is * currently used by the block editor for preferences like 'fullscreenMode' and * 'fixedToolbar'. * * @since 6.1.0 * @access private * * @global wpdb $wpdb WordPress database abstraction object. */ function wp_register_persisted_preferences_meta() { /* * Create a meta key that incorporates the blog prefix so that each site * on a multisite can have distinct user preferences. */ global $wpdb; $meta_key = $wpdb->get_blog_prefix() . 'persisted_preferences'; register_meta( 'user', $meta_key, array( 'type' => 'object', 'single' => true, 'show_in_rest' => array( 'name' => 'persisted_preferences', 'type' => 'object', 'schema' => array( 'type' => 'object', 'context' => array( 'edit' ), 'properties' => array( '_modified' => array( 'description' => __( 'The date and time the preferences were updated.' ), 'type' => 'string', 'format' => 'date-time', 'readonly' => false, ), ), 'additionalProperties' => true, ), ), ) ); } /** * Sets the last changed time for the 'users' cache group. * * @since 6.3.0 */ function wp_cache_set_users_last_changed() { wp_cache_set_last_changed( 'users' ); } /** * Checks if password reset is allowed for a specific user. * * @since 6.3.0 * * @param int|WP_User $user The user to check. * @return bool|WP_Error True if allowed, false or WP_Error otherwise. */ function wp_is_password_reset_allowed_for_user( $user ) { if ( ! is_object( $user ) ) { $user = get_userdata( $user ); } if ( ! $user || ! $user->exists() ) { return false; } $allow = true; if ( is_multisite() && is_user_spammy( $user ) ) { $allow = false; } /** * Filters whether to allow a password to be reset. * * @since 2.7.0 * * @param bool $allow Whether to allow the password to be reset. Default true. * @param int $user_id The ID of the user attempting to reset a password. */ return apply_filters( 'allow_password_reset', $allow, $user->ID ); } cessor->get_current_depth(); * * // Opening the P element increases the depth. * $processor->next_token(); * 4 === $processor->get_current_depth(); * * // The P element is closed during `next_token()` so the depth is decreased to reflect that. * $processor->next_token(); * 3 === $processor->get_current_depth(); * * @since 6.6.0 * * @return int Nesting-depth of current location in the document. */ public function get_current_depth(): int { return count( $this->breadcrumbs ); } /** * Normalizes an HTML fragment by serializing it. * * This method assumes that the given HTML snippet is found in BODY context. * For normalizing full documents or fragments found in other contexts, create * a new processor using {@see WP_HTML_Processor::create_fragment} or * {@see WP_HTML_Processor::create_full_parser} and call {@see WP_HTML_Processor::serialize} * on the created instances. * * Many aspects of an input HTML fragment may be changed during normalization. * * - Attribute values will be double-quoted. * - Duplicate attributes will be removed. * - Omitted tags will be added. * - Tag and attribute name casing will be lower-cased, * except for specific SVG and MathML tags or attributes. * - Text will be re-encoded, null bytes handled, * and invalid UTF-8 replaced with U+FFFD. * - Any incomplete syntax trailing at the end will be omitted, * for example, an unclosed comment opener will be removed. * * Example: * * echo WP_HTML_Processor::normalize( 'One syntax < <> "oddities" * * @since 6.7.0 * * @param string $html Input HTML to normalize. * * @return string|null Normalized output, or `null` if unable to normalize. */ public static function normalize( string $html ): ?string { return static::create_fragment( $html )->serialize(); } /** * Returns normalized HTML for a fragment by serializing it. * * This differs from {@see WP_HTML_Processor::normalize} in that it starts with * a specific HTML Processor, which _must_ not have already started scanning; * it must be in the initial ready state and will be in the completed state once * serialization is complete. * * Many aspects of an input HTML fragment may be changed during normalization. * * - Attribute values will be double-quoted. * - Duplicate attributes will be removed. * - Omitted tags will be added. * - Tag and attribute name casing will be lower-cased, * except for specific SVG and MathML tags or attributes. * - Text will be re-encoded, null bytes handled, * and invalid UTF-8 replaced with U+FFFD. * - Any incomplete syntax trailing at the end will be omitted, * for example, an unclosed comment opener will be removed. * * Example: * * $processor = WP_HTML_Processor::create_fragment( 'One syntax < <> "oddities" * * @since 6.7.0 * * @return string|null Normalized HTML markup represented by processor, * or `null` if unable to generate serialization. */ public function serialize(): ?string { if ( WP_HTML_Tag_Processor::STATE_READY !== $this->parser_state ) { wp_trigger_error( __METHOD__, 'An HTML Processor which has already started processing cannot serialize its contents. Serialize immediately after creating the instance.', E_USER_WARNING ); return null; } $html = ''; while ( $this->next_token() ) { $html .= $this->serialize_token(); } if ( null !== $this->get_last_error() ) { wp_trigger_error( __METHOD__, "Cannot serialize HTML Processor with parsing error: {$this->get_last_error()}.", E_USER_WARNING ); return null; } return $html; } /** * Serializes the currently-matched token. * * This method produces a fully-normative HTML string for the currently-matched token, * if able. If not matched at any token or if the token doesn't correspond to any HTML * it will return an empty string (for example, presumptuous end tags are ignored). * * @see static::serialize() * * @since 6.7.0 * * @return string Serialization of token, or empty string if no serialization exists. */ protected function serialize_token(): string { $html = ''; $token_type = $this->get_token_type(); switch ( $token_type ) { case '#doctype': $doctype = $this->get_doctype_info(); if ( null === $doctype ) { break; } $html .= 'name ) { $html .= " {$doctype->name}"; } if ( null !== $doctype->public_identifier ) { $quote = str_contains( $doctype->public_identifier, '"' ) ? "'" : '"'; $html .= " PUBLIC {$quote}{$doctype->public_identifier}{$quote}"; } if ( null !== $doctype->system_identifier ) { if ( null === $doctype->public_identifier ) { $html .= ' SYSTEM'; } $quote = str_contains( $doctype->system_identifier, '"' ) ? "'" : '"'; $html .= " {$quote}{$doctype->system_identifier}{$quote}"; } $html .= '>'; break; case '#text': $html .= htmlspecialchars( $this->get_modifiable_text(), ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML5, 'UTF-8' ); break; // Unlike the `<>` which is interpreted as plaintext, this is ignored entirely. case '#presumptuous-tag': break; case '#funky-comment': case '#comment': $html .= ""; break; case '#cdata-section': $html .= "get_modifiable_text()}]]>"; break; } if ( '#tag' !== $token_type ) { return $html; } $tag_name = str_replace( "\x00", "\u{FFFD}", $this->get_tag() ); $in_html = 'html' === $this->get_namespace(); $qualified_name = $in_html ? strtolower( $tag_name ) : $this->get_qualified_tag_name(); if ( $this->is_tag_closer() ) { $html .= ""; return $html; } $attribute_names = $this->get_attribute_names_with_prefix( '' ); if ( ! isset( $attribute_names ) ) { $html .= "<{$qualified_name}>"; return $html; } $html .= "<{$qualified_name}"; foreach ( $attribute_names as $attribute_name ) { $html .= " {$this->get_qualified_attribute_name( $attribute_name )}"; $value = $this->get_attribute( $attribute_name ); if ( is_string( $value ) ) { $html .= '="' . htmlspecialchars( $value, ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML5 ) . '"'; } $html = str_replace( "\x00", "\u{FFFD}", $html ); } if ( ! $in_html && $this->has_self_closing_flag() ) { $html .= ' /'; } $html .= '>'; // Flush out self-contained elements. if ( $in_html && in_array( $tag_name, array( 'IFRAME', 'NOEMBED', 'NOFRAMES', 'SCRIPT', 'STYLE', 'TEXTAREA', 'TITLE', 'XMP' ), true ) ) { $text = $this->get_modifiable_text(); switch ( $tag_name ) { case 'IFRAME': case 'NOEMBED': case 'NOFRAMES': $text = ''; break; case 'SCRIPT': case 'STYLE': break; default: $text = htmlspecialchars( $text, ENT_QUOTES | ENT_SUBSTITUTE | ENT_HTML5, 'UTF-8' ); } $html .= "{$text}"; } return $html; } /** * Parses next element in the 'initial' insertion mode. * * This internal function performs the 'initial' insertion mode * logic for the generalized WP_HTML_Processor::step() function. * * @since 6.7.0 * * @throws WP_HTML_Unsupported_Exception When encountering unsupported HTML input. * * @see https://html.spec.whatwg.org/#the-initial-insertion-mode * @see WP_HTML_Processor::step * * @return bool Whether an element was found. */ private function step_initial(): bool { $token_name = $this->get_token_name(); $token_type = $this->get_token_type(); $op_sigil = '#tag' === $token_type ? ( parent::is_tag_closer() ? '-' : '+' ) : ''; $op = "{$op_sigil}{$token_name}"; switch ( $op ) { /* * > A character token that is one of U+0009 CHARACTER TABULATION, * > U+000A LINE FEED (LF), U+000C FORM FEED (FF), * > U+000D CARRIAGE RETURN (CR), or U+0020 SPACE * * Parse error: ignore the token. */ case '#text': if ( parent::TEXT_IS_WHITESPACE === $this->text_node_classification ) { return $this->step(); } goto initial_anything_else; break; /* * > A comment token */ case '#comment': case '#funky-comment': case '#presumptuous-tag': $this->insert_html_element( $this->state->current_token ); return true; /* * > A DOCTYPE token */ case 'html': $doctype = $this->get_doctype_info(); if ( null !== $doctype && 'quirks' === $doctype->indicated_compatability_mode ) { $this->compat_mode = WP_HTML_Tag_Processor::QUIRKS_MODE; } /* * > Then, switch the insertion mode to "before html". */ $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_BEFORE_HTML; $this->insert_html_element( $this->state->current_token ); return true; } /* * > Anything else */ initial_anything_else: $this->compat_mode = WP_HTML_Tag_Processor::QUIRKS_MODE; $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_BEFORE_HTML; return $this->step( self::REPROCESS_CURRENT_NODE ); } /** * Parses next element in the 'before html' insertion mode. * * This internal function performs the 'before html' insertion mode * logic for the generalized WP_HTML_Processor::step() function. * * @since 6.7.0 * * @throws WP_HTML_Unsupported_Exception When encountering unsupported HTML input. * * @see https://html.spec.whatwg.org/#the-before-html-insertion-mode * @see WP_HTML_Processor::step * * @return bool Whether an element was found. */ private function step_before_html(): bool { $token_name = $this->get_token_name(); $token_type = $this->get_token_type(); $is_closer = parent::is_tag_closer(); $op_sigil = '#tag' === $token_type ? ( $is_closer ? '-' : '+' ) : ''; $op = "{$op_sigil}{$token_name}"; switch ( $op ) { /* * > A DOCTYPE token */ case 'html': // Parse error: ignore the token. return $this->step(); /* * > A comment token */ case '#comment': case '#funky-comment': case '#presumptuous-tag': $this->insert_html_element( $this->state->current_token ); return true; /* * > A character token that is one of U+0009 CHARACTER TABULATION, * > U+000A LINE FEED (LF), U+000C FORM FEED (FF), * > U+000D CARRIAGE RETURN (CR), or U+0020 SPACE * * Parse error: ignore the token. */ case '#text': if ( parent::TEXT_IS_WHITESPACE === $this->text_node_classification ) { return $this->step(); } goto before_html_anything_else; break; /* * > A start tag whose tag name is "html" */ case '+HTML': $this->insert_html_element( $this->state->current_token ); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_BEFORE_HEAD; return true; /* * > An end tag whose tag name is one of: "head", "body", "html", "br" * * Closing BR tags are always reported by the Tag Processor as opening tags. */ case '-HEAD': case '-BODY': case '-HTML': /* * > Act as described in the "anything else" entry below. */ goto before_html_anything_else; break; } /* * > Any other end tag */ if ( $is_closer ) { // Parse error: ignore the token. return $this->step(); } /* * > Anything else. * * > Create an html element whose node document is the Document object. * > Append it to the Document object. Put this element in the stack of open elements. * > Switch the insertion mode to "before head", then reprocess the token. */ before_html_anything_else: $this->insert_virtual_node( 'HTML' ); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_BEFORE_HEAD; return $this->step( self::REPROCESS_CURRENT_NODE ); } /** * Parses next element in the 'before head' insertion mode. * * This internal function performs the 'before head' insertion mode * logic for the generalized WP_HTML_Processor::step() function. * * @since 6.7.0 Stub implementation. * * @throws WP_HTML_Unsupported_Exception When encountering unsupported HTML input. * * @see https://html.spec.whatwg.org/#the-before-head-insertion-mode * @see WP_HTML_Processor::step * * @return bool Whether an element was found. */ private function step_before_head(): bool { $token_name = $this->get_token_name(); $token_type = $this->get_token_type(); $is_closer = parent::is_tag_closer(); $op_sigil = '#tag' === $token_type ? ( $is_closer ? '-' : '+' ) : ''; $op = "{$op_sigil}{$token_name}"; switch ( $op ) { /* * > A character token that is one of U+0009 CHARACTER TABULATION, * > U+000A LINE FEED (LF), U+000C FORM FEED (FF), * > U+000D CARRIAGE RETURN (CR), or U+0020 SPACE * * Parse error: ignore the token. */ case '#text': if ( parent::TEXT_IS_WHITESPACE === $this->text_node_classification ) { return $this->step(); } goto before_head_anything_else; break; /* * > A comment token */ case '#comment': case '#funky-comment': case '#presumptuous-tag': $this->insert_html_element( $this->state->current_token ); return true; /* * > A DOCTYPE token */ case 'html': // Parse error: ignore the token. return $this->step(); /* * > A start tag whose tag name is "html" */ case '+HTML': return $this->step_in_body(); /* * > A start tag whose tag name is "head" */ case '+HEAD': $this->insert_html_element( $this->state->current_token ); $this->state->head_element = $this->state->current_token; $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_HEAD; return true; /* * > An end tag whose tag name is one of: "head", "body", "html", "br" * > Act as described in the "anything else" entry below. * * Closing BR tags are always reported by the Tag Processor as opening tags. */ case '-HEAD': case '-BODY': case '-HTML': goto before_head_anything_else; break; } if ( $is_closer ) { // Parse error: ignore the token. return $this->step(); } /* * > Anything else * * > Insert an HTML element for a "head" start tag token with no attributes. */ before_head_anything_else: $this->state->head_element = $this->insert_virtual_node( 'HEAD' ); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_HEAD; return $this->step( self::REPROCESS_CURRENT_NODE ); } /** * Parses next element in the 'in head' insertion mode. * * This internal function performs the 'in head' insertion mode * logic for the generalized WP_HTML_Processor::step() function. * * @since 6.7.0 * * @throws WP_HTML_Unsupported_Exception When encountering unsupported HTML input. * * @see https://html.spec.whatwg.org/multipage/parsing.html#parsing-main-inhead * @see WP_HTML_Processor::step * * @return bool Whether an element was found. */ private function step_in_head(): bool { $token_name = $this->get_token_name(); $token_type = $this->get_token_type(); $is_closer = parent::is_tag_closer(); $op_sigil = '#tag' === $token_type ? ( $is_closer ? '-' : '+' ) : ''; $op = "{$op_sigil}{$token_name}"; switch ( $op ) { case '#text': /* * > A character token that is one of U+0009 CHARACTER TABULATION, * > U+000A LINE FEED (LF), U+000C FORM FEED (FF), * > U+000D CARRIAGE RETURN (CR), or U+0020 SPACE */ if ( parent::TEXT_IS_WHITESPACE === $this->text_node_classification ) { // Insert the character. $this->insert_html_element( $this->state->current_token ); return true; } goto in_head_anything_else; break; /* * > A comment token */ case '#comment': case '#funky-comment': case '#presumptuous-tag': $this->insert_html_element( $this->state->current_token ); return true; /* * > A DOCTYPE token */ case 'html': // Parse error: ignore the token. return $this->step(); /* * > A start tag whose tag name is "html" */ case '+HTML': return $this->step_in_body(); /* * > A start tag whose tag name is one of: "base", "basefont", "bgsound", "link" */ case '+BASE': case '+BASEFONT': case '+BGSOUND': case '+LINK': $this->insert_html_element( $this->state->current_token ); return true; /* * > A start tag whose tag name is "meta" */ case '+META': $this->insert_html_element( $this->state->current_token ); /* * > If the active speculative HTML parser is null, then: * > - If the element has a charset attribute, and getting an encoding from * > its value results in an encoding, and the confidence is currently * > tentative, then change the encoding to the resulting encoding. */ $charset = $this->get_attribute( 'charset' ); if ( is_string( $charset ) && 'tentative' === $this->state->encoding_confidence ) { $this->bail( 'Cannot yet process META tags with charset to determine encoding.' ); } /* * > - Otherwise, if the element has an http-equiv attribute whose value is * > an ASCII case-insensitive match for the string "Content-Type", and * > the element has a content attribute, and applying the algorithm for * > extracting a character encoding from a meta element to that attribute's * > value returns an encoding, and the confidence is currently tentative, * > then change the encoding to the extracted encoding. */ $http_equiv = $this->get_attribute( 'http-equiv' ); $content = $this->get_attribute( 'content' ); if ( is_string( $http_equiv ) && is_string( $content ) && 0 === strcasecmp( $http_equiv, 'Content-Type' ) && 'tentative' === $this->state->encoding_confidence ) { $this->bail( 'Cannot yet process META tags with http-equiv Content-Type to determine encoding.' ); } return true; /* * > A start tag whose tag name is "title" */ case '+TITLE': $this->insert_html_element( $this->state->current_token ); return true; /* * > A start tag whose tag name is "noscript", if the scripting flag is enabled * > A start tag whose tag name is one of: "noframes", "style" * * The scripting flag is never enabled in this parser. */ case '+NOFRAMES': case '+STYLE': $this->insert_html_element( $this->state->current_token ); return true; /* * > A start tag whose tag name is "noscript", if the scripting flag is disabled */ case '+NOSCRIPT': $this->insert_html_element( $this->state->current_token ); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_HEAD_NOSCRIPT; return true; /* * > A start tag whose tag name is "script" * * @todo Could the adjusted insertion location be anything other than the current location? */ case '+SCRIPT': $this->insert_html_element( $this->state->current_token ); return true; /* * > An end tag whose tag name is "head" */ case '-HEAD': $this->state->stack_of_open_elements->pop(); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_AFTER_HEAD; return true; /* * > An end tag whose tag name is one of: "body", "html", "br" * * BR tags are always reported by the Tag Processor as opening tags. */ case '-BODY': case '-HTML': /* * > Act as described in the "anything else" entry below. */ goto in_head_anything_else; break; /* * > A start tag whose tag name is "template" * * @todo Could the adjusted insertion location be anything other than the current location? */ case '+TEMPLATE': $this->state->active_formatting_elements->insert_marker(); $this->state->frameset_ok = false; $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_TEMPLATE; $this->state->stack_of_template_insertion_modes[] = WP_HTML_Processor_State::INSERTION_MODE_IN_TEMPLATE; $this->insert_html_element( $this->state->current_token ); return true; /* * > An end tag whose tag name is "template" */ case '-TEMPLATE': if ( ! $this->state->stack_of_open_elements->contains( 'TEMPLATE' ) ) { // @todo Indicate a parse error once it's possible. return $this->step(); } $this->generate_implied_end_tags_thoroughly(); if ( ! $this->state->stack_of_open_elements->current_node_is( 'TEMPLATE' ) ) { // @todo Indicate a parse error once it's possible. } $this->state->stack_of_open_elements->pop_until( 'TEMPLATE' ); $this->state->active_formatting_elements->clear_up_to_last_marker(); array_pop( $this->state->stack_of_template_insertion_modes ); $this->reset_insertion_mode_appropriately(); return true; } /* * > A start tag whose tag name is "head" * > Any other end tag */ if ( '+HEAD' === $op || $is_closer ) { // Parse error: ignore the token. return $this->step(); } /* * > Anything else */ in_head_anything_else: $this->state->stack_of_open_elements->pop(); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_AFTER_HEAD; return $this->step( self::REPROCESS_CURRENT_NODE ); } /** * Parses next element in the 'in head noscript' insertion mode. * * This internal function performs the 'in head noscript' insertion mode * logic for the generalized WP_HTML_Processor::step() function. * * @since 6.7.0 Stub implementation. * * @throws WP_HTML_Unsupported_Exception When encountering unsupported HTML input. * * @see https://html.spec.whatwg.org/#parsing-main-inheadnoscript * @see WP_HTML_Processor::step * * @return bool Whether an element was found. */ private function step_in_head_noscript(): bool { $token_name = $this->get_token_name(); $token_type = $this->get_token_type(); $is_closer = parent::is_tag_closer(); $op_sigil = '#tag' === $token_type ? ( $is_closer ? '-' : '+' ) : ''; $op = "{$op_sigil}{$token_name}"; switch ( $op ) { /* * > A character token that is one of U+0009 CHARACTER TABULATION, * > U+000A LINE FEED (LF), U+000C FORM FEED (FF), * > U+000D CARRIAGE RETURN (CR), or U+0020 SPACE * * Parse error: ignore the token. */ case '#text': if ( parent::TEXT_IS_WHITESPACE === $this->text_node_classification ) { return $this->step_in_head(); } goto in_head_noscript_anything_else; break; /* * > A DOCTYPE token */ case 'html': // Parse error: ignore the token. return $this->step(); /* * > A start tag whose tag name is "html" */ case '+HTML': return $this->step_in_body(); /* * > An end tag whose tag name is "noscript" */ case '-NOSCRIPT': $this->state->stack_of_open_elements->pop(); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_HEAD; return true; /* * > A comment token * > * > A start tag whose tag name is one of: "basefont", "bgsound", * > "link", "meta", "noframes", "style" */ case '#comment': case '#funky-comment': case '#presumptuous-tag': case '+BASEFONT': case '+BGSOUND': case '+LINK': case '+META': case '+NOFRAMES': case '+STYLE': return $this->step_in_head(); /* * > An end tag whose tag name is "br" * * This should never happen, as the Tag Processor prevents showing a BR closing tag. */ } /* * > A start tag whose tag name is one of: "head", "noscript" * > Any other end tag */ if ( '+HEAD' === $op || '+NOSCRIPT' === $op || $is_closer ) { // Parse error: ignore the token. return $this->step(); } /* * > Anything else * * Anything here is a parse error. */ in_head_noscript_anything_else: $this->state->stack_of_open_elements->pop(); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_HEAD; return $this->step( self::REPROCESS_CURRENT_NODE ); } /** * Parses next element in the 'after head' insertion mode. * * This internal function performs the 'after head' insertion mode * logic for the generalized WP_HTML_Processor::step() function. * * @since 6.7.0 Stub implementation. * * @throws WP_HTML_Unsupported_Exception When encountering unsupported HTML input. * * @see https://html.spec.whatwg.org/#the-after-head-insertion-mode * @see WP_HTML_Processor::step * * @return bool Whether an element was found. */ private function step_after_head(): bool { $token_name = $this->get_token_name(); $token_type = $this->get_token_type(); $is_closer = parent::is_tag_closer(); $op_sigil = '#tag' === $token_type ? ( $is_closer ? '-' : '+' ) : ''; $op = "{$op_sigil}{$token_name}"; switch ( $op ) { /* * > A character token that is one of U+0009 CHARACTER TABULATION, * > U+000A LINE FEED (LF), U+000C FORM FEED (FF), * > U+000D CARRIAGE RETURN (CR), or U+0020 SPACE */ case '#text': if ( parent::TEXT_IS_WHITESPACE === $this->text_node_classification ) { // Insert the character. $this->insert_html_element( $this->state->current_token ); return true; } goto after_head_anything_else; break; /* * > A comment token */ case '#comment': case '#funky-comment': case '#presumptuous-tag': $this->insert_html_element( $this->state->current_token ); return true; /* * > A DOCTYPE token */ case 'html': // Parse error: ignore the token. return $this->step(); /* * > A start tag whose tag name is "html" */ case '+HTML': return $this->step_in_body(); /* * > A start tag whose tag name is "body" */ case '+BODY': $this->insert_html_element( $this->state->current_token ); $this->state->frameset_ok = false; $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_BODY; return true; /* * > A start tag whose tag name is "frameset" */ case '+FRAMESET': $this->insert_html_element( $this->state->current_token ); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_FRAMESET; return true; /* * > A start tag whose tag name is one of: "base", "basefont", "bgsound", * > "link", "meta", "noframes", "script", "style", "template", "title" * * Anything here is a parse error. */ case '+BASE': case '+BASEFONT': case '+BGSOUND': case '+LINK': case '+META': case '+NOFRAMES': case '+SCRIPT': case '+STYLE': case '+TEMPLATE': case '+TITLE': /* * > Push the node pointed to by the head element pointer onto the stack of open elements. * > Process the token using the rules for the "in head" insertion mode. * > Remove the node pointed to by the head element pointer from the stack of open elements. (It might not be the current node at this point.) */ $this->bail( 'Cannot process elements after HEAD which reopen the HEAD element.' ); /* * Do not leave this break in when adding support; it's here to prevent * WPCS from getting confused at the switch structure without a return, * because it doesn't know that `bail()` always throws. */ break; /* * > An end tag whose tag name is "template" */ case '-TEMPLATE': return $this->step_in_head(); /* * > An end tag whose tag name is one of: "body", "html", "br" * * Closing BR tags are always reported by the Tag Processor as opening tags. */ case '-BODY': case '-HTML': /* * > Act as described in the "anything else" entry below. */ goto after_head_anything_else; break; } /* * > A start tag whose tag name is "head" * > Any other end tag */ if ( '+HEAD' === $op || $is_closer ) { // Parse error: ignore the token. return $this->step(); } /* * > Anything else * > Insert an HTML element for a "body" start tag token with no attributes. */ after_head_anything_else: $this->insert_virtual_node( 'BODY' ); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_BODY; return $this->step( self::REPROCESS_CURRENT_NODE ); } /** * Parses next element in the 'in body' insertion mode. * * This internal function performs the 'in body' insertion mode * logic for the generalized WP_HTML_Processor::step() function. * * @since 6.4.0 * * @throws WP_HTML_Unsupported_Exception When encountering unsupported HTML input. * * @see https://html.spec.whatwg.org/#parsing-main-inbody * @see WP_HTML_Processor::step * * @return bool Whether an element was found. */ private function step_in_body(): bool { $token_name = $this->get_token_name(); $token_type = $this->get_token_type(); $op_sigil = '#tag' === $token_type ? ( parent::is_tag_closer() ? '-' : '+' ) : ''; $op = "{$op_sigil}{$token_name}"; switch ( $op ) { case '#text': /* * > A character token that is U+0000 NULL * * Any successive sequence of NULL bytes is ignored and won't * trigger active format reconstruction. Therefore, if the text * only comprises NULL bytes then the token should be ignored * here, but if there are any other characters in the stream * the active formats should be reconstructed. */ if ( parent::TEXT_IS_NULL_SEQUENCE === $this->text_node_classification ) { // Parse error: ignore the token. return $this->step(); } $this->reconstruct_active_formatting_elements(); /* * Whitespace-only text does not affect the frameset-ok flag. * It is probably inter-element whitespace, but it may also * contain character references which decode only to whitespace. */ if ( parent::TEXT_IS_GENERIC === $this->text_node_classification ) { $this->state->frameset_ok = false; } $this->insert_html_element( $this->state->current_token ); return true; case '#comment': case '#funky-comment': case '#presumptuous-tag': $this->insert_html_element( $this->state->current_token ); return true; /* * > A DOCTYPE token * > Parse error. Ignore the token. */ case 'html': return $this->step(); /* * > A start tag whose tag name is "html" */ case '+HTML': if ( ! $this->state->stack_of_open_elements->contains( 'TEMPLATE' ) ) { /* * > Otherwise, for each attribute on the token, check to see if the attribute * > is already present on the top element of the stack of open elements. If * > it is not, add the attribute and its corresponding value to that element. * * This parser does not currently support this behavior: ignore the token. */ } // Ignore the token. return $this->step(); /* * > A start tag whose tag name is one of: "base", "basefont", "bgsound", "link", * > "meta", "noframes", "script", "style", "template", "title" * > * > An end tag whose tag name is "template" */ case '+BASE': case '+BASEFONT': case '+BGSOUND': case '+LINK': case '+META': case '+NOFRAMES': case '+SCRIPT': case '+STYLE': case '+TEMPLATE': case '+TITLE': case '-TEMPLATE': return $this->step_in_head(); /* * > A start tag whose tag name is "body" * * This tag in the IN BODY insertion mode is a parse error. */ case '+BODY': if ( 1 === $this->state->stack_of_open_elements->count() || 'BODY' !== ( $this->state->stack_of_open_elements->at( 2 )->node_name ?? null ) || $this->state->stack_of_open_elements->contains( 'TEMPLATE' ) ) { // Ignore the token. return $this->step(); } /* * > Otherwise, set the frameset-ok flag to "not ok"; then, for each attribute * > on the token, check to see if the attribute is already present on the body * > element (the second element) on the stack of open elements, and if it is * > not, add the attribute and its corresponding value to that element. * * This parser does not currently support this behavior: ignore the token. */ $this->state->frameset_ok = false; return $this->step(); /* * > A start tag whose tag name is "frameset" * * This tag in the IN BODY insertion mode is a parse error. */ case '+FRAMESET': if ( 1 === $this->state->stack_of_open_elements->count() || 'BODY' !== ( $this->state->stack_of_open_elements->at( 2 )->node_name ?? null ) || false === $this->state->frameset_ok ) { // Ignore the token. return $this->step(); } /* * > Otherwise, run the following steps: */ $this->bail( 'Cannot process non-ignored FRAMESET tags.' ); break; /* * > An end tag whose tag name is "body" */ case '-BODY': if ( ! $this->state->stack_of_open_elements->has_element_in_scope( 'BODY' ) ) { // Parse error: ignore the token. return $this->step(); } /* * > Otherwise, if there is a node in the stack of open elements that is not either a * > dd element, a dt element, an li element, an optgroup element, an option element, * > a p element, an rb element, an rp element, an rt element, an rtc element, a tbody * > element, a td element, a tfoot element, a th element, a thread element, a tr * > element, the body element, or the html element, then this is a parse error. * * There is nothing to do for this parse error, so don't check for it. */ $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_AFTER_BODY; /* * The BODY element is not removed from the stack of open elements. * Only internal state has changed, this does not qualify as a "step" * in terms of advancing through the document to another token. * Nothing has been pushed or popped. * Proceed to parse the next item. */ return $this->step(); /* * > An end tag whose tag name is "html" */ case '-HTML': if ( ! $this->state->stack_of_open_elements->has_element_in_scope( 'BODY' ) ) { // Parse error: ignore the token. return $this->step(); } /* * > Otherwise, if there is a node in the stack of open elements that is not either a * > dd element, a dt element, an li element, an optgroup element, an option element, * > a p element, an rb element, an rp element, an rt element, an rtc element, a tbody * > element, a td element, a tfoot element, a th element, a thread element, a tr * > element, the body element, or the html element, then this is a parse error. * * There is nothing to do for this parse error, so don't check for it. */ $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_AFTER_BODY; return $this->step( self::REPROCESS_CURRENT_NODE ); /* * > A start tag whose tag name is one of: "address", "article", "aside", * > "blockquote", "center", "details", "dialog", "dir", "div", "dl", * > "fieldset", "figcaption", "figure", "footer", "header", "hgroup", * > "main", "menu", "nav", "ol", "p", "search", "section", "summary", "ul" */ case '+ADDRESS': case '+ARTICLE': case '+ASIDE': case '+BLOCKQUOTE': case '+CENTER': case '+DETAILS': case '+DIALOG': case '+DIR': case '+DIV': case '+DL': case '+FIELDSET': case '+FIGCAPTION': case '+FIGURE': case '+FOOTER': case '+HEADER': case '+HGROUP': case '+MAIN': case '+MENU': case '+NAV': case '+OL': case '+P': case '+SEARCH': case '+SECTION': case '+SUMMARY': case '+UL': if ( $this->state->stack_of_open_elements->has_p_in_button_scope() ) { $this->close_a_p_element(); } $this->insert_html_element( $this->state->current_token ); return true; /* * > A start tag whose tag name is one of: "h1", "h2", "h3", "h4", "h5", "h6" */ case '+H1': case '+H2': case '+H3': case '+H4': case '+H5': case '+H6': if ( $this->state->stack_of_open_elements->has_p_in_button_scope() ) { $this->close_a_p_element(); } if ( in_array( $this->state->stack_of_open_elements->current_node()->node_name, array( 'H1', 'H2', 'H3', 'H4', 'H5', 'H6' ), true ) ) { // @todo Indicate a parse error once it's possible. $this->state->stack_of_open_elements->pop(); } $this->insert_html_element( $this->state->current_token ); return true; /* * > A start tag whose tag name is one of: "pre", "listing" */ case '+PRE': case '+LISTING': if ( $this->state->stack_of_open_elements->has_p_in_button_scope() ) { $this->close_a_p_element(); } /* * > If the next token is a U+000A LINE FEED (LF) character token, * > then ignore that token and move on to the next one. (Newlines * > at the start of pre blocks are ignored as an authoring convenience.) * * This is handled in `get_modifiable_text()`. */ $this->insert_html_element( $this->state->current_token ); $this->state->frameset_ok = false; return true; /* * > A start tag whose tag name is "form" */ case '+FORM': $stack_contains_template = $this->state->stack_of_open_elements->contains( 'TEMPLATE' ); if ( isset( $this->state->form_element ) && ! $stack_contains_template ) { // Parse error: ignore the token. return $this->step(); } if ( $this->state->stack_of_open_elements->has_p_in_button_scope() ) { $this->close_a_p_element(); } $this->insert_html_element( $this->state->current_token ); if ( ! $stack_contains_template ) { $this->state->form_element = $this->state->current_token; } return true; /* * > A start tag whose tag name is "li" * > A start tag whose tag name is one of: "dd", "dt" */ case '+DD': case '+DT': case '+LI': $this->state->frameset_ok = false; $node = $this->state->stack_of_open_elements->current_node(); $is_li = 'LI' === $token_name; in_body_list_loop: /* * The logic for LI and DT/DD is the same except for one point: LI elements _only_ * close other LI elements, but a DT or DD element closes _any_ open DT or DD element. */ if ( $is_li ? 'LI' === $node->node_name : ( 'DD' === $node->node_name || 'DT' === $node->node_name ) ) { $node_name = $is_li ? 'LI' : $node->node_name; $this->generate_implied_end_tags( $node_name ); if ( ! $this->state->stack_of_open_elements->current_node_is( $node_name ) ) { // @todo Indicate a parse error once it's possible. This error does not impact the logic here. } $this->state->stack_of_open_elements->pop_until( $node_name ); goto in_body_list_done; } if ( 'ADDRESS' !== $node->node_name && 'DIV' !== $node->node_name && 'P' !== $node->node_name && self::is_special( $node ) ) { /* * > If node is in the special category, but is not an address, div, * > or p element, then jump to the step labeled done below. */ goto in_body_list_done; } else { /* * > Otherwise, set node to the previous entry in the stack of open elements * > and return to the step labeled loop. */ foreach ( $this->state->stack_of_open_elements->walk_up( $node ) as $item ) { $node = $item; break; } goto in_body_list_loop; } in_body_list_done: if ( $this->state->stack_of_open_elements->has_p_in_button_scope() ) { $this->close_a_p_element(); } $this->insert_html_element( $this->state->current_token ); return true; case '+PLAINTEXT': if ( $this->state->stack_of_open_elements->has_p_in_button_scope() ) { $this->close_a_p_element(); } /* * @todo This may need to be handled in the Tag Processor and turn into * a single self-contained tag like TEXTAREA, whose modifiable text * is the rest of the input document as plaintext. */ $this->bail( 'Cannot process PLAINTEXT elements.' ); break; /* * > A start tag whose tag name is "button" */ case '+BUTTON': if ( $this->state->stack_of_open_elements->has_element_in_scope( 'BUTTON' ) ) { // @todo Indicate a parse error once it's possible. This error does not impact the logic here. $this->generate_implied_end_tags(); $this->state->stack_of_open_elements->pop_until( 'BUTTON' ); } $this->reconstruct_active_formatting_elements(); $this->insert_html_element( $this->state->current_token ); $this->state->frameset_ok = false; return true; /* * > An end tag whose tag name is one of: "address", "article", "aside", "blockquote", * > "button", "center", "details", "dialog", "dir", "div", "dl", "fieldset", * > "figcaption", "figure", "footer", "header", "hgroup", "listing", "main", * > "menu", "nav", "ol", "pre", "search", "section", "summary", "ul" */ case '-ADDRESS': case '-ARTICLE': case '-ASIDE': case '-BLOCKQUOTE': case '-BUTTON': case '-CENTER': case '-DETAILS': case '-DIALOG': case '-DIR': case '-DIV': case '-DL': case '-FIELDSET': case '-FIGCAPTION': case '-FIGURE': case '-FOOTER': case '-HEADER': case '-HGROUP': case '-LISTING': case '-MAIN': case '-MENU': case '-NAV': case '-OL': case '-PRE': case '-SEARCH': case '-SECTION': case '-SUMMARY': case '-UL': if ( ! $this->state->stack_of_open_elements->has_element_in_scope( $token_name ) ) { // @todo Report parse error. // Ignore the token. return $this->step(); } $this->generate_implied_end_tags(); if ( ! $this->state->stack_of_open_elements->current_node_is( $token_name ) ) { // @todo Record parse error: this error doesn't impact parsing. } $this->state->stack_of_open_elements->pop_until( $token_name ); return true; /* * > An end tag whose tag name is "form" */ case '-FORM': if ( ! $this->state->stack_of_open_elements->contains( 'TEMPLATE' ) ) { $node = $this->state->form_element; $this->state->form_element = null; /* * > If node is null or if the stack of open elements does not have node * > in scope, then this is a parse error; return and ignore the token. * * @todo It's necessary to check if the form token itself is in scope, not * simply whether any FORM is in scope. */ if ( null === $node || ! $this->state->stack_of_open_elements->has_element_in_scope( 'FORM' ) ) { // Parse error: ignore the token. return $this->step(); } $this->generate_implied_end_tags(); if ( $node !== $this->state->stack_of_open_elements->current_node() ) { // @todo Indicate a parse error once it's possible. This error does not impact the logic here. $this->bail( 'Cannot close a FORM when other elements remain open as this would throw off the breadcrumbs for the following tokens.' ); } $this->state->stack_of_open_elements->remove_node( $node ); return true; } else { /* * > If the stack of open elements does not have a form element in scope, * > then this is a parse error; return and ignore the token. * * Note that unlike in the clause above, this is checking for any FORM in scope. */ if ( ! $this->state->stack_of_open_elements->has_element_in_scope( 'FORM' ) ) { // Parse error: ignore the token. return $this->step(); } $this->generate_implied_end_tags(); if ( ! $this->state->stack_of_open_elements->current_node_is( 'FORM' ) ) { // @todo Indicate a parse error once it's possible. This error does not impact the logic here. } $this->state->stack_of_open_elements->pop_until( 'FORM' ); return true; } break; /* * > An end tag whose tag name is "p" */ case '-P': if ( ! $this->state->stack_of_open_elements->has_p_in_button_scope() ) { $this->insert_html_element( $this->state->current_token ); } $this->close_a_p_element(); return true; /* * > An end tag whose tag name is "li" * > An end tag whose tag name is one of: "dd", "dt" */ case '-DD': case '-DT': case '-LI': if ( /* * An end tag whose tag name is "li": * If the stack of open elements does not have an li element in list item scope, * then this is a parse error; ignore the token. */ ( 'LI' === $token_name && ! $this->state->stack_of_open_elements->has_element_in_list_item_scope( 'LI' ) ) || /* * An end tag whose tag name is one of: "dd", "dt": * If the stack of open elements does not have an element in scope that is an * HTML element with the same tag name as that of the token, then this is a * parse error; ignore the token. */ ( 'LI' !== $token_name && ! $this->state->stack_of_open_elements->has_element_in_scope( $token_name ) ) ) { /* * This is a parse error, ignore the token. * * @todo Indicate a parse error once it's possible. */ return $this->step(); } $this->generate_implied_end_tags( $token_name ); if ( ! $this->state->stack_of_open_elements->current_node_is( $token_name ) ) { // @todo Indicate a parse error once it's possible. This error does not impact the logic here. } $this->state->stack_of_open_elements->pop_until( $token_name ); return true; /* * > An end tag whose tag name is one of: "h1", "h2", "h3", "h4", "h5", "h6" */ case '-H1': case '-H2': case '-H3': case '-H4': case '-H5': case '-H6': if ( ! $this->state->stack_of_open_elements->has_element_in_scope( '(internal: H1 through H6 - do not use)' ) ) { /* * This is a parse error; ignore the token. * * @todo Indicate a parse error once it's possible. */ return $this->step(); } $this->generate_implied_end_tags(); if ( ! $this->state->stack_of_open_elements->current_node_is( $token_name ) ) { // @todo Record parse error: this error doesn't impact parsing. } $this->state->stack_of_open_elements->pop_until( '(internal: H1 through H6 - do not use)' ); return true; /* * > A start tag whose tag name is "a" */ case '+A': foreach ( $this->state->active_formatting_elements->walk_up() as $item ) { switch ( $item->node_name ) { case 'marker': break 2; case 'A': $this->run_adoption_agency_algorithm(); $this->state->active_formatting_elements->remove_node( $item ); $this->state->stack_of_open_elements->remove_node( $item ); break 2; } } $this->reconstruct_active_formatting_elements(); $this->insert_html_element( $this->state->current_token ); $this->state->active_formatting_elements->push( $this->state->current_token ); return true; /* * > A start tag whose tag name is one of: "b", "big", "code", "em", "font", "i", * > "s", "small", "strike", "strong", "tt", "u" */ case '+B': case '+BIG': case '+CODE': case '+EM': case '+FONT': case '+I': case '+S': case '+SMALL': case '+STRIKE': case '+STRONG': case '+TT': case '+U': $this->reconstruct_active_formatting_elements(); $this->insert_html_element( $this->state->current_token ); $this->state->active_formatting_elements->push( $this->state->current_token ); return true; /* * > A start tag whose tag name is "nobr" */ case '+NOBR': $this->reconstruct_active_formatting_elements(); if ( $this->state->stack_of_open_elements->has_element_in_scope( 'NOBR' ) ) { // Parse error. $this->run_adoption_agency_algorithm(); $this->reconstruct_active_formatting_elements(); } $this->insert_html_element( $this->state->current_token ); $this->state->active_formatting_elements->push( $this->state->current_token ); return true; /* * > An end tag whose tag name is one of: "a", "b", "big", "code", "em", "font", "i", * > "nobr", "s", "small", "strike", "strong", "tt", "u" */ case '-A': case '-B': case '-BIG': case '-CODE': case '-EM': case '-FONT': case '-I': case '-NOBR': case '-S': case '-SMALL': case '-STRIKE': case '-STRONG': case '-TT': case '-U': $this->run_adoption_agency_algorithm(); return true; /* * > A start tag whose tag name is one of: "applet", "marquee", "object" */ case '+APPLET': case '+MARQUEE': case '+OBJECT': $this->reconstruct_active_formatting_elements(); $this->insert_html_element( $this->state->current_token ); $this->state->active_formatting_elements->insert_marker(); $this->state->frameset_ok = false; return true; /* * > A end tag token whose tag name is one of: "applet", "marquee", "object" */ case '-APPLET': case '-MARQUEE': case '-OBJECT': if ( ! $this->state->stack_of_open_elements->has_element_in_scope( $token_name ) ) { // Parse error: ignore the token. return $this->step(); } $this->generate_implied_end_tags(); if ( ! $this->state->stack_of_open_elements->current_node_is( $token_name ) ) { // This is a parse error. } $this->state->stack_of_open_elements->pop_until( $token_name ); $this->state->active_formatting_elements->clear_up_to_last_marker(); return true; /* * > A start tag whose tag name is "table" */ case '+TABLE': /* * > If the Document is not set to quirks mode, and the stack of open elements * > has a p element in button scope, then close a p element. */ if ( WP_HTML_Tag_Processor::QUIRKS_MODE !== $this->compat_mode && $this->state->stack_of_open_elements->has_p_in_button_scope() ) { $this->close_a_p_element(); } $this->insert_html_element( $this->state->current_token ); $this->state->frameset_ok = false; $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_TABLE; return true; /* * > An end tag whose tag name is "br" * * This is prevented from happening because the Tag Processor * reports all closing BR tags as if they were opening tags. */ /* * > A start tag whose tag name is one of: "area", "br", "embed", "img", "keygen", "wbr" */ case '+AREA': case '+BR': case '+EMBED': case '+IMG': case '+KEYGEN': case '+WBR': $this->reconstruct_active_formatting_elements(); $this->insert_html_element( $this->state->current_token ); $this->state->frameset_ok = false; return true; /* * > A start tag whose tag name is "input" */ case '+INPUT': $this->reconstruct_active_formatting_elements(); $this->insert_html_element( $this->state->current_token ); /* * > If the token does not have an attribute with the name "type", or if it does, * > but that attribute's value is not an ASCII case-insensitive match for the * > string "hidden", then: set the frameset-ok flag to "not ok". */ $type_attribute = $this->get_attribute( 'type' ); if ( ! is_string( $type_attribute ) || 'hidden' !== strtolower( $type_attribute ) ) { $this->state->frameset_ok = false; } return true; /* * > A start tag whose tag name is one of: "param", "source", "track" */ case '+PARAM': case '+SOURCE': case '+TRACK': $this->insert_html_element( $this->state->current_token ); return true; /* * > A start tag whose tag name is "hr" */ case '+HR': if ( $this->state->stack_of_open_elements->has_p_in_button_scope() ) { $this->close_a_p_element(); } $this->insert_html_element( $this->state->current_token ); $this->state->frameset_ok = false; return true; /* * > A start tag whose tag name is "image" */ case '+IMAGE': /* * > Parse error. Change the token's tag name to "img" and reprocess it. (Don't ask.) * * Note that this is handled elsewhere, so it should not be possible to reach this code. */ $this->bail( "Cannot process an IMAGE tag. (Don't ask.)" ); break; /* * > A start tag whose tag name is "textarea" */ case '+TEXTAREA': $this->insert_html_element( $this->state->current_token ); /* * > If the next token is a U+000A LINE FEED (LF) character token, then ignore * > that token and move on to the next one. (Newlines at the start of * > textarea elements are ignored as an authoring convenience.) * * This is handled in `get_modifiable_text()`. */ $this->state->frameset_ok = false; /* * > Switch the insertion mode to "text". * * As a self-contained node, this behavior is handled in the Tag Processor. */ return true; /* * > A start tag whose tag name is "xmp" */ case '+XMP': if ( $this->state->stack_of_open_elements->has_p_in_button_scope() ) { $this->close_a_p_element(); } $this->reconstruct_active_formatting_elements(); $this->state->frameset_ok = false; /* * > Follow the generic raw text element parsing algorithm. * * As a self-contained node, this behavior is handled in the Tag Processor. */ $this->insert_html_element( $this->state->current_token ); return true; /* * A start tag whose tag name is "iframe" */ case '+IFRAME': $this->state->frameset_ok = false; /* * > Follow the generic raw text element parsing algorithm. * * As a self-contained node, this behavior is handled in the Tag Processor. */ $this->insert_html_element( $this->state->current_token ); return true; /* * > A start tag whose tag name is "noembed" * > A start tag whose tag name is "noscript", if the scripting flag is enabled * * The scripting flag is never enabled in this parser. */ case '+NOEMBED': $this->insert_html_element( $this->state->current_token ); return true; /* * > A start tag whose tag name is "select" */ case '+SELECT': $this->reconstruct_active_formatting_elements(); $this->insert_html_element( $this->state->current_token ); $this->state->frameset_ok = false; switch ( $this->state->insertion_mode ) { /* * > If the insertion mode is one of "in table", "in caption", "in table body", "in row", * > or "in cell", then switch the insertion mode to "in select in table". */ case WP_HTML_Processor_State::INSERTION_MODE_IN_TABLE: case WP_HTML_Processor_State::INSERTION_MODE_IN_CAPTION: case WP_HTML_Processor_State::INSERTION_MODE_IN_TABLE_BODY: case WP_HTML_Processor_State::INSERTION_MODE_IN_ROW: case WP_HTML_Processor_State::INSERTION_MODE_IN_CELL: $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_SELECT_IN_TABLE; break; /* * > Otherwise, switch the insertion mode to "in select". */ default: $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_SELECT; break; } return true; /* * > A start tag whose tag name is one of: "optgroup", "option" */ case '+OPTGROUP': case '+OPTION': if ( $this->state->stack_of_open_elements->current_node_is( 'OPTION' ) ) { $this->state->stack_of_open_elements->pop(); } $this->reconstruct_active_formatting_elements(); $this->insert_html_element( $this->state->current_token ); return true; /* * > A start tag whose tag name is one of: "rb", "rtc" */ case '+RB': case '+RTC': if ( $this->state->stack_of_open_elements->has_element_in_scope( 'RUBY' ) ) { $this->generate_implied_end_tags(); if ( $this->state->stack_of_open_elements->current_node_is( 'RUBY' ) ) { // @todo Indicate a parse error once it's possible. } } $this->insert_html_element( $this->state->current_token ); return true; /* * > A start tag whose tag name is one of: "rp", "rt" */ case '+RP': case '+RT': if ( $this->state->stack_of_open_elements->has_element_in_scope( 'RUBY' ) ) { $this->generate_implied_end_tags( 'RTC' ); $current_node_name = $this->state->stack_of_open_elements->current_node()->node_name; if ( 'RTC' === $current_node_name || 'RUBY' === $current_node_name ) { // @todo Indicate a parse error once it's possible. } } $this->insert_html_element( $this->state->current_token ); return true; /* * > A start tag whose tag name is "math" */ case '+MATH': $this->reconstruct_active_formatting_elements(); /* * @todo Adjust MathML attributes for the token. (This fixes the case of MathML attributes that are not all lowercase.) * @todo Adjust foreign attributes for the token. (This fixes the use of namespaced attributes, in particular XLink.) * * These ought to be handled in the attribute methods. */ $this->state->current_token->namespace = 'math'; $this->insert_html_element( $this->state->current_token ); if ( $this->state->current_token->has_self_closing_flag ) { $this->state->stack_of_open_elements->pop(); } return true; /* * > A start tag whose tag name is "svg" */ case '+SVG': $this->reconstruct_active_formatting_elements(); /* * @todo Adjust SVG attributes for the token. (This fixes the case of SVG attributes that are not all lowercase.) * @todo Adjust foreign attributes for the token. (This fixes the use of namespaced attributes, in particular XLink in SVG.) * * These ought to be handled in the attribute methods. */ $this->state->current_token->namespace = 'svg'; $this->insert_html_element( $this->state->current_token ); if ( $this->state->current_token->has_self_closing_flag ) { $this->state->stack_of_open_elements->pop(); } return true; /* * > A start tag whose tag name is one of: "caption", "col", "colgroup", * > "frame", "head", "tbody", "td", "tfoot", "th", "thead", "tr" */ case '+CAPTION': case '+COL': case '+COLGROUP': case '+FRAME': case '+HEAD': case '+TBODY': case '+TD': case '+TFOOT': case '+TH': case '+THEAD': case '+TR': // Parse error. Ignore the token. return $this->step(); } if ( ! parent::is_tag_closer() ) { /* * > Any other start tag */ $this->reconstruct_active_formatting_elements(); $this->insert_html_element( $this->state->current_token ); return true; } else { /* * > Any other end tag */ /* * Find the corresponding tag opener in the stack of open elements, if * it exists before reaching a special element, which provides a kind * of boundary in the stack. For example, a `` should not * close anything beyond its containing `P` or `DIV` element. */ foreach ( $this->state->stack_of_open_elements->walk_up() as $node ) { if ( 'html' === $node->namespace && $token_name === $node->node_name ) { break; } if ( self::is_special( $node ) ) { // This is a parse error, ignore the token. return $this->step(); } } $this->generate_implied_end_tags( $token_name ); if ( $node !== $this->state->stack_of_open_elements->current_node() ) { // @todo Record parse error: this error doesn't impact parsing. } foreach ( $this->state->stack_of_open_elements->walk_up() as $item ) { $this->state->stack_of_open_elements->pop(); if ( $node === $item ) { return true; } } } $this->bail( 'Should not have been able to reach end of IN BODY processing. Check HTML API code.' ); // This unnecessary return prevents tools from inaccurately reporting type errors. return false; } /** * Parses next element in the 'in table' insertion mode. * * This internal function performs the 'in table' insertion mode * logic for the generalized WP_HTML_Processor::step() function. * * @since 6.7.0 * * @throws WP_HTML_Unsupported_Exception When encountering unsupported HTML input. * * @see https://html.spec.whatwg.org/#parsing-main-intable * @see WP_HTML_Processor::step * * @return bool Whether an element was found. */ private function step_in_table(): bool { $token_name = $this->get_token_name(); $token_type = $this->get_token_type(); $op_sigil = '#tag' === $token_type ? ( parent::is_tag_closer() ? '-' : '+' ) : ''; $op = "{$op_sigil}{$token_name}"; switch ( $op ) { /* * > A character token, if the current node is table, * > tbody, template, tfoot, thead, or tr element */ case '#text': $current_node = $this->state->stack_of_open_elements->current_node(); $current_node_name = $current_node ? $current_node->node_name : null; if ( $current_node_name && ( 'TABLE' === $current_node_name || 'TBODY' === $current_node_name || 'TEMPLATE' === $current_node_name || 'TFOOT' === $current_node_name || 'THEAD' === $current_node_name || 'TR' === $current_node_name ) ) { /* * If the text is empty after processing HTML entities and stripping * U+0000 NULL bytes then ignore the token. */ if ( parent::TEXT_IS_NULL_SEQUENCE === $this->text_node_classification ) { return $this->step(); } /* * This follows the rules for "in table text" insertion mode. * * Whitespace-only text nodes are inserted in-place. Otherwise * foster parenting is enabled and the nodes would be * inserted out-of-place. * * > If any of the tokens in the pending table character tokens * > list are character tokens that are not ASCII whitespace, * > then this is a parse error: reprocess the character tokens * > in the pending table character tokens list using the rules * > given in the "anything else" entry in the "in table" * > insertion mode. * > * > Otherwise, insert the characters given by the pending table * > character tokens list. * * @see https://html.spec.whatwg.org/#parsing-main-intabletext */ if ( parent::TEXT_IS_WHITESPACE === $this->text_node_classification ) { $this->insert_html_element( $this->state->current_token ); return true; } // Non-whitespace would trigger fostering, unsupported at this time. $this->bail( 'Foster parenting is not supported.' ); break; } break; /* * > A comment token */ case '#comment': case '#funky-comment': case '#presumptuous-tag': $this->insert_html_element( $this->state->current_token ); return true; /* * > A DOCTYPE token */ case 'html': // Parse error: ignore the token. return $this->step(); /* * > A start tag whose tag name is "caption" */ case '+CAPTION': $this->state->stack_of_open_elements->clear_to_table_context(); $this->state->active_formatting_elements->insert_marker(); $this->insert_html_element( $this->state->current_token ); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_CAPTION; return true; /* * > A start tag whose tag name is "colgroup" */ case '+COLGROUP': $this->state->stack_of_open_elements->clear_to_table_context(); $this->insert_html_element( $this->state->current_token ); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_COLUMN_GROUP; return true; /* * > A start tag whose tag name is "col" */ case '+COL': $this->state->stack_of_open_elements->clear_to_table_context(); /* * > Insert an HTML element for a "colgroup" start tag token with no attributes, * > then switch the insertion mode to "in column group". */ $this->insert_virtual_node( 'COLGROUP' ); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_COLUMN_GROUP; return $this->step( self::REPROCESS_CURRENT_NODE ); /* * > A start tag whose tag name is one of: "tbody", "tfoot", "thead" */ case '+TBODY': case '+TFOOT': case '+THEAD': $this->state->stack_of_open_elements->clear_to_table_context(); $this->insert_html_element( $this->state->current_token ); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_TABLE_BODY; return true; /* * > A start tag whose tag name is one of: "td", "th", "tr" */ case '+TD': case '+TH': case '+TR': $this->state->stack_of_open_elements->clear_to_table_context(); /* * > Insert an HTML element for a "tbody" start tag token with no attributes, * > then switch the insertion mode to "in table body". */ $this->insert_virtual_node( 'TBODY' ); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_TABLE_BODY; return $this->step( self::REPROCESS_CURRENT_NODE ); /* * > A start tag whose tag name is "table" * * This tag in the IN TABLE insertion mode is a parse error. */ case '+TABLE': if ( ! $this->state->stack_of_open_elements->has_element_in_table_scope( 'TABLE' ) ) { return $this->step(); } $this->state->stack_of_open_elements->pop_until( 'TABLE' ); $this->reset_insertion_mode_appropriately(); return $this->step( self::REPROCESS_CURRENT_NODE ); /* * > An end tag whose tag name is "table" */ case '-TABLE': if ( ! $this->state->stack_of_open_elements->has_element_in_table_scope( 'TABLE' ) ) { // @todo Indicate a parse error once it's possible. return $this->step(); } $this->state->stack_of_open_elements->pop_until( 'TABLE' ); $this->reset_insertion_mode_appropriately(); return true; /* * > An end tag whose tag name is one of: "body", "caption", "col", "colgroup", "html", "tbody", "td", "tfoot", "th", "thead", "tr" */ case '-BODY': case '-CAPTION': case '-COL': case '-COLGROUP': case '-HTML': case '-TBODY': case '-TD': case '-TFOOT': case '-TH': case '-THEAD': case '-TR': // Parse error: ignore the token. return $this->step(); /* * > A start tag whose tag name is one of: "style", "script", "template" * > An end tag whose tag name is "template" */ case '+STYLE': case '+SCRIPT': case '+TEMPLATE': case '-TEMPLATE': /* * > Process the token using the rules for the "in head" insertion mode. */ return $this->step_in_head(); /* * > A start tag whose tag name is "input" * * > If the token does not have an attribute with the name "type", or if it does, but * > that attribute's value is not an ASCII case-insensitive match for the string * > "hidden", then: act as described in the "anything else" entry below. */ case '+INPUT': $type_attribute = $this->get_attribute( 'type' ); if ( ! is_string( $type_attribute ) || 'hidden' !== strtolower( $type_attribute ) ) { goto anything_else; } // @todo Indicate a parse error once it's possible. $this->insert_html_element( $this->state->current_token ); return true; /* * > A start tag whose tag name is "form" * * This tag in the IN TABLE insertion mode is a parse error. */ case '+FORM': if ( $this->state->stack_of_open_elements->has_element_in_scope( 'TEMPLATE' ) || isset( $this->state->form_element ) ) { return $this->step(); } // This FORM is special because it immediately closes and cannot have other children. $this->insert_html_element( $this->state->current_token ); $this->state->form_element = $this->state->current_token; $this->state->stack_of_open_elements->pop(); return true; } /* * > Anything else * > Parse error. Enable foster parenting, process the token using the rules for the * > "in body" insertion mode, and then disable foster parenting. * * @todo Indicate a parse error once it's possible. */ anything_else: $this->bail( 'Foster parenting is not supported.' ); } /** * Parses next element in the 'in table text' insertion mode. * * This internal function performs the 'in table text' insertion mode * logic for the generalized WP_HTML_Processor::step() function. * * @since 6.7.0 Stub implementation. * * @throws WP_HTML_Unsupported_Exception When encountering unsupported HTML input. * * @see https://html.spec.whatwg.org/#parsing-main-intabletext * @see WP_HTML_Processor::step * * @return bool Whether an element was found. */ private function step_in_table_text(): bool { $this->bail( 'No support for parsing in the ' . WP_HTML_Processor_State::INSERTION_MODE_IN_TABLE_TEXT . ' state.' ); } /** * Parses next element in the 'in caption' insertion mode. * * This internal function performs the 'in caption' insertion mode * logic for the generalized WP_HTML_Processor::step() function. * * @since 6.7.0 * * @throws WP_HTML_Unsupported_Exception When encountering unsupported HTML input. * * @see https://html.spec.whatwg.org/#parsing-main-incaption * @see WP_HTML_Processor::step * * @return bool Whether an element was found. */ private function step_in_caption(): bool { $tag_name = $this->get_tag(); $op_sigil = $this->is_tag_closer() ? '-' : '+'; $op = "{$op_sigil}{$tag_name}"; switch ( $op ) { /* * > An end tag whose tag name is "caption" * > A start tag whose tag name is one of: "caption", "col", "colgroup", "tbody", "td", "tfoot", "th", "thead", "tr" * > An end tag whose tag name is "table" * * These tag handling rules are identical except for the final instruction. * Handle them in a single block. */ case '-CAPTION': case '+CAPTION': case '+COL': case '+COLGROUP': case '+TBODY': case '+TD': case '+TFOOT': case '+TH': case '+THEAD': case '+TR': case '-TABLE': if ( ! $this->state->stack_of_open_elements->has_element_in_table_scope( 'CAPTION' ) ) { // Parse error: ignore the token. return $this->step(); } $this->generate_implied_end_tags(); if ( ! $this->state->stack_of_open_elements->current_node_is( 'CAPTION' ) ) { // @todo Indicate a parse error once it's possible. } $this->state->stack_of_open_elements->pop_until( 'CAPTION' ); $this->state->active_formatting_elements->clear_up_to_last_marker(); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_TABLE; // If this is not a CAPTION end tag, the token should be reprocessed. if ( '-CAPTION' === $op ) { return true; } return $this->step( self::REPROCESS_CURRENT_NODE ); /** * > An end tag whose tag name is one of: "body", "col", "colgroup", "html", "tbody", "td", "tfoot", "th", "thead", "tr" */ case '-BODY': case '-COL': case '-COLGROUP': case '-HTML': case '-TBODY': case '-TD': case '-TFOOT': case '-TH': case '-THEAD': case '-TR': // Parse error: ignore the token. return $this->step(); } /** * > Anything else * > Process the token using the rules for the "in body" insertion mode. */ return $this->step_in_body(); } /** * Parses next element in the 'in column group' insertion mode. * * This internal function performs the 'in column group' insertion mode * logic for the generalized WP_HTML_Processor::step() function. * * @since 6.7.0 * * @throws WP_HTML_Unsupported_Exception When encountering unsupported HTML input. * * @see https://html.spec.whatwg.org/#parsing-main-incolgroup * @see WP_HTML_Processor::step * * @return bool Whether an element was found. */ private function step_in_column_group(): bool { $token_name = $this->get_token_name(); $token_type = $this->get_token_type(); $op_sigil = '#tag' === $token_type ? ( parent::is_tag_closer() ? '-' : '+' ) : ''; $op = "{$op_sigil}{$token_name}"; switch ( $op ) { /* * > A character token that is one of U+0009 CHARACTER TABULATION, U+000A LINE FEED (LF), * > U+000C FORM FEED (FF), U+000D CARRIAGE RETURN (CR), or U+0020 SPACE */ case '#text': if ( parent::TEXT_IS_WHITESPACE === $this->text_node_classification ) { // Insert the character. $this->insert_html_element( $this->state->current_token ); return true; } goto in_column_group_anything_else; break; /* * > A comment token */ case '#comment': case '#funky-comment': case '#presumptuous-tag': $this->insert_html_element( $this->state->current_token ); return true; /* * > A DOCTYPE token */ case 'html': // @todo Indicate a parse error once it's possible. return $this->step(); /* * > A start tag whose tag name is "html" */ case '+HTML': return $this->step_in_body(); /* * > A start tag whose tag name is "col" */ case '+COL': $this->insert_html_element( $this->state->current_token ); $this->state->stack_of_open_elements->pop(); return true; /* * > An end tag whose tag name is "colgroup" */ case '-COLGROUP': if ( ! $this->state->stack_of_open_elements->current_node_is( 'COLGROUP' ) ) { // @todo Indicate a parse error once it's possible. return $this->step(); } $this->state->stack_of_open_elements->pop(); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_TABLE; return true; /* * > An end tag whose tag name is "col" */ case '-COL': // Parse error: ignore the token. return $this->step(); /* * > A start tag whose tag name is "template" * > An end tag whose tag name is "template" */ case '+TEMPLATE': case '-TEMPLATE': return $this->step_in_head(); } in_column_group_anything_else: /* * > Anything else */ if ( ! $this->state->stack_of_open_elements->current_node_is( 'COLGROUP' ) ) { // @todo Indicate a parse error once it's possible. return $this->step(); } $this->state->stack_of_open_elements->pop(); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_TABLE; return $this->step( self::REPROCESS_CURRENT_NODE ); } /** * Parses next element in the 'in table body' insertion mode. * * This internal function performs the 'in table body' insertion mode * logic for the generalized WP_HTML_Processor::step() function. * * @since 6.7.0 * * @throws WP_HTML_Unsupported_Exception When encountering unsupported HTML input. * * @see https://html.spec.whatwg.org/#parsing-main-intbody * @see WP_HTML_Processor::step * * @return bool Whether an element was found. */ private function step_in_table_body(): bool { $tag_name = $this->get_tag(); $op_sigil = $this->is_tag_closer() ? '-' : '+'; $op = "{$op_sigil}{$tag_name}"; switch ( $op ) { /* * > A start tag whose tag name is "tr" */ case '+TR': $this->state->stack_of_open_elements->clear_to_table_body_context(); $this->insert_html_element( $this->state->current_token ); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_ROW; return true; /* * > A start tag whose tag name is one of: "th", "td" */ case '+TH': case '+TD': // @todo Indicate a parse error once it's possible. $this->state->stack_of_open_elements->clear_to_table_body_context(); $this->insert_virtual_node( 'TR' ); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_ROW; return $this->step( self::REPROCESS_CURRENT_NODE ); /* * > An end tag whose tag name is one of: "tbody", "tfoot", "thead" */ case '-TBODY': case '-TFOOT': case '-THEAD': if ( ! $this->state->stack_of_open_elements->has_element_in_table_scope( $tag_name ) ) { // Parse error: ignore the token. return $this->step(); } $this->state->stack_of_open_elements->clear_to_table_body_context(); $this->state->stack_of_open_elements->pop(); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_TABLE; return true; /* * > A start tag whose tag name is one of: "caption", "col", "colgroup", "tbody", "tfoot", "thead" * > An end tag whose tag name is "table" */ case '+CAPTION': case '+COL': case '+COLGROUP': case '+TBODY': case '+TFOOT': case '+THEAD': case '-TABLE': if ( ! $this->state->stack_of_open_elements->has_element_in_table_scope( 'TBODY' ) && ! $this->state->stack_of_open_elements->has_element_in_table_scope( 'THEAD' ) && ! $this->state->stack_of_open_elements->has_element_in_table_scope( 'TFOOT' ) ) { // Parse error: ignore the token. return $this->step(); } $this->state->stack_of_open_elements->clear_to_table_body_context(); $this->state->stack_of_open_elements->pop(); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_TABLE; return $this->step( self::REPROCESS_CURRENT_NODE ); /* * > An end tag whose tag name is one of: "body", "caption", "col", "colgroup", "html", "td", "th", "tr" */ case '-BODY': case '-CAPTION': case '-COL': case '-COLGROUP': case '-HTML': case '-TD': case '-TH': case '-TR': // Parse error: ignore the token. return $this->step(); } /* * > Anything else * > Process the token using the rules for the "in table" insertion mode. */ return $this->step_in_table(); } /** * Parses next element in the 'in row' insertion mode. * * This internal function performs the 'in row' insertion mode * logic for the generalized WP_HTML_Processor::step() function. * * @since 6.7.0 * * @throws WP_HTML_Unsupported_Exception When encountering unsupported HTML input. * * @see https://html.spec.whatwg.org/#parsing-main-intr * @see WP_HTML_Processor::step * * @return bool Whether an element was found. */ private function step_in_row(): bool { $tag_name = $this->get_tag(); $op_sigil = $this->is_tag_closer() ? '-' : '+'; $op = "{$op_sigil}{$tag_name}"; switch ( $op ) { /* * > A start tag whose tag name is one of: "th", "td" */ case '+TH': case '+TD': $this->state->stack_of_open_elements->clear_to_table_row_context(); $this->insert_html_element( $this->state->current_token ); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_CELL; $this->state->active_formatting_elements->insert_marker(); return true; /* * > An end tag whose tag name is "tr" */ case '-TR': if ( ! $this->state->stack_of_open_elements->has_element_in_table_scope( 'TR' ) ) { // Parse error: ignore the token. return $this->step(); } $this->state->stack_of_open_elements->clear_to_table_row_context(); $this->state->stack_of_open_elements->pop(); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_TABLE_BODY; return true; /* * > A start tag whose tag name is one of: "caption", "col", "colgroup", "tbody", "tfoot", "thead", "tr" * > An end tag whose tag name is "table" */ case '+CAPTION': case '+COL': case '+COLGROUP': case '+TBODY': case '+TFOOT': case '+THEAD': case '+TR': case '-TABLE': if ( ! $this->state->stack_of_open_elements->has_element_in_table_scope( 'TR' ) ) { // Parse error: ignore the token. return $this->step(); } $this->state->stack_of_open_elements->clear_to_table_row_context(); $this->state->stack_of_open_elements->pop(); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_TABLE_BODY; return $this->step( self::REPROCESS_CURRENT_NODE ); /* * > An end tag whose tag name is one of: "tbody", "tfoot", "thead" */ case '-TBODY': case '-TFOOT': case '-THEAD': if ( ! $this->state->stack_of_open_elements->has_element_in_table_scope( $tag_name ) ) { // Parse error: ignore the token. return $this->step(); } if ( ! $this->state->stack_of_open_elements->has_element_in_table_scope( 'TR' ) ) { // Ignore the token. return $this->step(); } $this->state->stack_of_open_elements->clear_to_table_row_context(); $this->state->stack_of_open_elements->pop(); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_TABLE_BODY; return $this->step( self::REPROCESS_CURRENT_NODE ); /* * > An end tag whose tag name is one of: "body", "caption", "col", "colgroup", "html", "td", "th" */ case '-BODY': case '-CAPTION': case '-COL': case '-COLGROUP': case '-HTML': case '-TD': case '-TH': // Parse error: ignore the token. return $this->step(); } /* * > Anything else * > Process the token using the rules for the "in table" insertion mode. */ return $this->step_in_table(); } /** * Parses next element in the 'in cell' insertion mode. * * This internal function performs the 'in cell' insertion mode * logic for the generalized WP_HTML_Processor::step() function. * * @since 6.7.0 * * @throws WP_HTML_Unsupported_Exception When encountering unsupported HTML input. * * @see https://html.spec.whatwg.org/#parsing-main-intd * @see WP_HTML_Processor::step * * @return bool Whether an element was found. */ private function step_in_cell(): bool { $tag_name = $this->get_tag(); $op_sigil = $this->is_tag_closer() ? '-' : '+'; $op = "{$op_sigil}{$tag_name}"; switch ( $op ) { /* * > An end tag whose tag name is one of: "td", "th" */ case '-TD': case '-TH': if ( ! $this->state->stack_of_open_elements->has_element_in_table_scope( $tag_name ) ) { // Parse error: ignore the token. return $this->step(); } $this->generate_implied_end_tags(); /* * @todo This needs to check if the current node is an HTML element, meaning that * when SVG and MathML support is added, this needs to differentiate between an * HTML element of the given name, such as `| ` stops at tags `TABLE`, * `TBODY`, `TR`, and `TD`. The `TBODY` and `TR` tags do not appear in * the original HTML and cannot be used as bookmarks. * * @since 6.4.0 * * @param string $bookmark_name Identifies this particular bookmark. * @return bool Whether the bookmark was successfully created. */ public function set_bookmark( $bookmark_name ): bool { if ( $this->is_virtual() ) { _doing_it_wrong( __METHOD__, __( 'Cannot set bookmarks on tokens that do no appear in the original HTML text.' ), '6.8.0' ); return false; } return parent::set_bookmark( "_{$bookmark_name}" ); } /** * Checks whether a bookmark with the given name exists. * * @since 6.5.0 * * @param string $bookmark_name Name to identify a bookmark that potentially exists. * @return bool Whether that bookmark exists. */ public function has_bookmark( $bookmark_name ): bool { return parent::has_bookmark( "_{$bookmark_name}" ); } /* * HTML Parsing Algorithms */ /** * Closes a P element. * * @since 6.4.0 * * @throws WP_HTML_Unsupported_Exception When encountering unsupported HTML input. * * @see https://html.spec.whatwg.org/#close-a-p-element */ private function close_a_p_element(): void { $this->generate_implied_end_tags( 'P' ); $this->state->stack_of_open_elements->pop_until( 'P' ); } /** * Closes elements that have implied end tags. * * @since 6.4.0 * @since 6.7.0 Full spec support. * * @see https://html.spec.whatwg.org/#generate-implied-end-tags * * @param string|null $except_for_this_element Perform as if this element doesn't exist in the stack of open elements. */ private function generate_implied_end_tags( ?string $except_for_this_element = null ): void { $elements_with_implied_end_tags = array( 'DD', 'DT', 'LI', 'OPTGROUP', 'OPTION', 'P', 'RB', 'RP', 'RT', 'RTC', ); $no_exclusions = ! isset( $except_for_this_element ); while ( ( $no_exclusions || ! $this->state->stack_of_open_elements->current_node_is( $except_for_this_element ) ) && in_array( $this->state->stack_of_open_elements->current_node()->node_name, $elements_with_implied_end_tags, true ) ) { $this->state->stack_of_open_elements->pop(); } } /** * Closes elements that have implied end tags, thoroughly. * * See the HTML specification for an explanation why this is * different from generating end tags in the normal sense. * * @since 6.4.0 * @since 6.7.0 Full spec support. * * @see WP_HTML_Processor::generate_implied_end_tags * @see https://html.spec.whatwg.org/#generate-implied-end-tags */ private function generate_implied_end_tags_thoroughly(): void { $elements_with_implied_end_tags = array( 'CAPTION', 'COLGROUP', 'DD', 'DT', 'LI', 'OPTGROUP', 'OPTION', 'P', 'RB', 'RP', 'RT', 'RTC', 'TBODY', 'TD', 'TFOOT', 'TH', 'THEAD', 'TR', ); while ( in_array( $this->state->stack_of_open_elements->current_node()->node_name, $elements_with_implied_end_tags, true ) ) { $this->state->stack_of_open_elements->pop(); } } /** * Returns the adjusted current node. * * > The adjusted current node is the context element if the parser was created as * > part of the HTML fragment parsing algorithm and the stack of open elements * > has only one element in it (fragment case); otherwise, the adjusted current * > node is the current node. * * @see https://html.spec.whatwg.org/#adjusted-current-node * * @since 6.7.0 * * @return WP_HTML_Token|null The adjusted current node. */ private function get_adjusted_current_node(): ?WP_HTML_Token { if ( isset( $this->context_node ) && 1 === $this->state->stack_of_open_elements->count() ) { return $this->context_node; } return $this->state->stack_of_open_elements->current_node(); } /** * Reconstructs the active formatting elements. * * > This has the effect of reopening all the formatting elements that were opened * > in the current body, cell, or caption (whichever is youngest) that haven't * > been explicitly closed. * * @since 6.4.0 * * @throws WP_HTML_Unsupported_Exception When encountering unsupported HTML input. * * @see https://html.spec.whatwg.org/#reconstruct-the-active-formatting-elements * * @return bool Whether any formatting elements needed to be reconstructed. */ private function reconstruct_active_formatting_elements(): bool { /* * > If there are no entries in the list of active formatting elements, then there is nothing * > to reconstruct; stop this algorithm. */ if ( 0 === $this->state->active_formatting_elements->count() ) { return false; } $last_entry = $this->state->active_formatting_elements->current_node(); if ( /* * > If the last (most recently added) entry in the list of active formatting elements is a marker; * > stop this algorithm. */ 'marker' === $last_entry->node_name || /* * > If the last (most recently added) entry in the list of active formatting elements is an * > element that is in the stack of open elements, then there is nothing to reconstruct; * > stop this algorithm. */ $this->state->stack_of_open_elements->contains_node( $last_entry ) ) { return false; } $this->bail( 'Cannot reconstruct active formatting elements when advancing and rewinding is required.' ); } /** * Runs the reset the insertion mode appropriately algorithm. * * @since 6.7.0 * * @see https://html.spec.whatwg.org/multipage/parsing.html#reset-the-insertion-mode-appropriately */ private function reset_insertion_mode_appropriately(): void { // Set the first node. $first_node = null; foreach ( $this->state->stack_of_open_elements->walk_down() as $first_node ) { break; } /* * > 1. Let _last_ be false. */ $last = false; foreach ( $this->state->stack_of_open_elements->walk_up() as $node ) { /* * > 2. Let _node_ be the last node in the stack of open elements. * > 3. _Loop_: If _node_ is the first node in the stack of open elements, then set _last_ * > to true, and, if the parser was created as part of the HTML fragment parsing * > algorithm (fragment case), set node to the context element passed to * > that algorithm. * > … */ if ( $node === $first_node ) { $last = true; if ( isset( $this->context_node ) ) { $node = $this->context_node; } } // All of the following rules are for matching HTML elements. if ( 'html' !== $node->namespace ) { continue; } switch ( $node->node_name ) { /* * > 4. If node is a `select` element, run these substeps: * > 1. If _last_ is true, jump to the step below labeled done. * > 2. Let _ancestor_ be _node_. * > 3. _Loop_: If _ancestor_ is the first node in the stack of open elements, * > jump to the step below labeled done. * > 4. Let ancestor be the node before ancestor in the stack of open elements. * > … * > 7. Jump back to the step labeled _loop_. * > 8. _Done_: Switch the insertion mode to "in select" and return. */ case 'SELECT': if ( ! $last ) { foreach ( $this->state->stack_of_open_elements->walk_up( $node ) as $ancestor ) { if ( 'html' !== $ancestor->namespace ) { continue; } switch ( $ancestor->node_name ) { /* * > 5. If _ancestor_ is a `template` node, jump to the step below * > labeled _done_. */ case 'TEMPLATE': break 2; /* * > 6. If _ancestor_ is a `table` node, switch the insertion mode to * > "in select in table" and return. */ case 'TABLE': $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_SELECT_IN_TABLE; return; } } } $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_SELECT; return; /* * > 5. If _node_ is a `td` or `th` element and _last_ is false, then switch the * > insertion mode to "in cell" and return. */ case 'TD': case 'TH': if ( ! $last ) { $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_CELL; return; } break; /* * > 6. If _node_ is a `tr` element, then switch the insertion mode to "in row" * > and return. */ case 'TR': $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_ROW; return; /* * > 7. If _node_ is a `tbody`, `thead`, or `tfoot` element, then switch the * > insertion mode to "in table body" and return. */ case 'TBODY': case 'THEAD': case 'TFOOT': $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_TABLE_BODY; return; /* * > 8. If _node_ is a `caption` element, then switch the insertion mode to * > "in caption" and return. */ case 'CAPTION': $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_CAPTION; return; /* * > 9. If _node_ is a `colgroup` element, then switch the insertion mode to * > "in column group" and return. */ case 'COLGROUP': $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_COLUMN_GROUP; return; /* * > 10. If _node_ is a `table` element, then switch the insertion mode to * > "in table" and return. */ case 'TABLE': $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_TABLE; return; /* * > 11. If _node_ is a `template` element, then switch the insertion mode to the * > current template insertion mode and return. */ case 'TEMPLATE': $this->state->insertion_mode = end( $this->state->stack_of_template_insertion_modes ); return; /* * > 12. If _node_ is a `head` element and _last_ is false, then switch the * > insertion mode to "in head" and return. */ case 'HEAD': if ( ! $last ) { $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_HEAD; return; } break; /* * > 13. If _node_ is a `body` element, then switch the insertion mode to "in body" * > and return. */ case 'BODY': $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_BODY; return; /* * > 14. If _node_ is a `frameset` element, then switch the insertion mode to * > "in frameset" and return. (fragment case) */ case 'FRAMESET': $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_FRAMESET; return; /* * > 15. If _node_ is an `html` element, run these substeps: * > 1. If the head element pointer is null, switch the insertion mode to * > "before head" and return. (fragment case) * > 2. Otherwise, the head element pointer is not null, switch the insertion * > mode to "after head" and return. */ case 'HTML': $this->state->insertion_mode = isset( $this->state->head_element ) ? WP_HTML_Processor_State::INSERTION_MODE_AFTER_HEAD : WP_HTML_Processor_State::INSERTION_MODE_BEFORE_HEAD; return; } } /* * > 16. If _last_ is true, then switch the insertion mode to "in body" * > and return. (fragment case) * * This is only reachable if `$last` is true, as per the fragment parsing case. */ $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_BODY; } /** * Runs the adoption agency algorithm. * * @since 6.4.0 * * @throws WP_HTML_Unsupported_Exception When encountering unsupported HTML input. * * @see https://html.spec.whatwg.org/#adoption-agency-algorithm */ private function run_adoption_agency_algorithm(): void { $budget = 1000; $subject = $this->get_tag(); $current_node = $this->state->stack_of_open_elements->current_node(); if ( // > If the current node is an HTML element whose tag name is subject $current_node && $subject === $current_node->node_name && // > the current node is not in the list of active formatting elements ! $this->state->active_formatting_elements->contains_node( $current_node ) ) { $this->state->stack_of_open_elements->pop(); return; } $outer_loop_counter = 0; while ( $budget-- > 0 ) { if ( $outer_loop_counter++ >= 8 ) { return; } /* * > Let formatting element be the last element in the list of active formatting elements that: * > - is between the end of the list and the last marker in the list, * > if any, or the start of the list otherwise, * > - and has the tag name subject. */ $formatting_element = null; foreach ( $this->state->active_formatting_elements->walk_up() as $item ) { if ( 'marker' === $item->node_name ) { break; } if ( $subject === $item->node_name ) { $formatting_element = $item; break; } } // > If there is no such element, then return and instead act as described in the "any other end tag" entry above. if ( null === $formatting_element ) { $this->bail( 'Cannot run adoption agency when "any other end tag" is required.' ); } // > If formatting element is not in the stack of open elements, then this is a parse error; remove the element from the list, and return. if ( ! $this->state->stack_of_open_elements->contains_node( $formatting_element ) ) { $this->state->active_formatting_elements->remove_node( $formatting_element ); return; } // > If formatting element is in the stack of open elements, but the element is not in scope, then this is a parse error; return. if ( ! $this->state->stack_of_open_elements->has_element_in_scope( $formatting_element->node_name ) ) { return; } /* * > Let furthest block be the topmost node in the stack of open elements that is lower in the stack * > than formatting element, and is an element in the special category. There might not be one. */ $is_above_formatting_element = true; $furthest_block = null; foreach ( $this->state->stack_of_open_elements->walk_down() as $item ) { if ( $is_above_formatting_element && $formatting_element->bookmark_name !== $item->bookmark_name ) { continue; } if ( $is_above_formatting_element ) { $is_above_formatting_element = false; continue; } if ( self::is_special( $item ) ) { $furthest_block = $item; break; } } /* * > If there is no furthest block, then the UA must first pop all the nodes from the bottom of the * > stack of open elements, from the current node up to and including formatting element, then * > remove formatting element from the list of active formatting elements, and finally return. */ if ( null === $furthest_block ) { foreach ( $this->state->stack_of_open_elements->walk_up() as $item ) { $this->state->stack_of_open_elements->pop(); if ( $formatting_element->bookmark_name === $item->bookmark_name ) { $this->state->active_formatting_elements->remove_node( $formatting_element ); return; } } } $this->bail( 'Cannot extract common ancestor in adoption agency algorithm.' ); } $this->bail( 'Cannot run adoption agency when looping required.' ); } /** * Runs the "close the cell" algorithm. * * > Where the steps above say to close the cell, they mean to run the following algorithm: * > 1. Generate implied end tags. * > 2. If the current node is not now a td element or a th element, then this is a parse error. * > 3. Pop elements from the stack of open elements stack until a td element or a th element has been popped from the stack. * > 4. Clear the list of active formatting elements up to the last marker. * > 5. Switch the insertion mode to "in row". * * @see https://html.spec.whatwg.org/multipage/parsing.html#close-the-cell * * @since 6.7.0 */ private function close_cell(): void { $this->generate_implied_end_tags(); // @todo Parse error if the current node is a "td" or "th" element. foreach ( $this->state->stack_of_open_elements->walk_up() as $element ) { $this->state->stack_of_open_elements->pop(); if ( 'TD' === $element->node_name || 'TH' === $element->node_name ) { break; } } $this->state->active_formatting_elements->clear_up_to_last_marker(); $this->state->insertion_mode = WP_HTML_Processor_State::INSERTION_MODE_IN_ROW; } /** * Inserts an HTML element on the stack of open elements. * * @since 6.4.0 * * @see https://html.spec.whatwg.org/#insert-a-foreign-element * * @param WP_HTML_Token $token Name of bookmark pointing to element in original input HTML. */ private function insert_html_element( WP_HTML_Token $token ): void { $this->state->stack_of_open_elements->push( $token ); } /** * Inserts a foreign element on to the stack of open elements. * * @since 6.7.0 * * @see https://html.spec.whatwg.org/#insert-a-foreign-element * * @param WP_HTML_Token $token Insert this token. The token's namespace and * insertion point will be updated correctly. * @param bool $only_add_to_element_stack Whether to skip the "insert an element at the adjusted * insertion location" algorithm when adding this element. */ private function insert_foreign_element( WP_HTML_Token $token, bool $only_add_to_element_stack ): void { $adjusted_current_node = $this->get_adjusted_current_node(); $token->namespace = $adjusted_current_node ? $adjusted_current_node->namespace : 'html'; if ( $this->is_mathml_integration_point() ) { $token->integration_node_type = 'math'; } elseif ( $this->is_html_integration_point() ) { $token->integration_node_type = 'html'; } if ( false === $only_add_to_element_stack ) { /* * @todo Implement the "appropriate place for inserting a node" and the * "insert an element at the adjusted insertion location" algorithms. * * These algorithms mostly impacts DOM tree construction and not the HTML API. * Here, there's no DOM node onto which the element will be appended, so the * parser will skip this step. * * @see https://html.spec.whatwg.org/#insert-an-element-at-the-adjusted-insertion-location */ } $this->insert_html_element( $token ); } /** * Inserts a virtual element on the stack of open elements. * * @since 6.7.0 * * @param string $token_name Name of token to create and insert into the stack of open elements. * @param string|null $bookmark_name Optional. Name to give bookmark for created virtual node. * Defaults to auto-creating a bookmark name. * @return WP_HTML_Token Newly-created virtual token. */ private function insert_virtual_node( $token_name, $bookmark_name = null ): WP_HTML_Token { $here = $this->bookmarks[ $this->state->current_token->bookmark_name ]; $name = $bookmark_name ?? $this->bookmark_token(); $this->bookmarks[ $name ] = new WP_HTML_Span( $here->start, 0 ); $token = new WP_HTML_Token( $name, $token_name, false ); $this->insert_html_element( $token ); return $token; } /* * HTML Specification Helpers */ /** * Indicates if the current token is a MathML integration point. * * @since 6.7.0 * * @see https://html.spec.whatwg.org/#mathml-text-integration-point * * @return bool Whether the current token is a MathML integration point. */ private function is_mathml_integration_point(): bool { $current_token = $this->state->current_token; if ( ! isset( $current_token ) ) { return false; } if ( 'math' !== $current_token->namespace || 'M' !== $current_token->node_name[0] ) { return false; } $tag_name = $current_token->node_name; return ( 'MI' === $tag_name || 'MO' === $tag_name || 'MN' === $tag_name || 'MS' === $tag_name || 'MTEXT' === $tag_name ); } /** * Indicates if the current token is an HTML integration point. * * Note that this method must be an instance method with access * to the current token, since it needs to examine the attributes * of the currently-matched tag, if it's in the MathML namespace. * Otherwise it would be required to scan the HTML and ensure that * no other accounting is overlooked. * * @since 6.7.0 * * @see https://html.spec.whatwg.org/#html-integration-point * * @return bool Whether the current token is an HTML integration point. */ private function is_html_integration_point(): bool { $current_token = $this->state->current_token; if ( ! isset( $current_token ) ) { return false; } if ( 'html' === $current_token->namespace ) { return false; } $tag_name = $current_token->node_name; if ( 'svg' === $current_token->namespace ) { return ( 'DESC' === $tag_name || 'FOREIGNOBJECT' === $tag_name || 'TITLE' === $tag_name ); } if ( 'math' === $current_token->namespace ) { if ( 'ANNOTATION-XML' !== $tag_name ) { return false; } $encoding = $this->get_attribute( 'encoding' ); return ( is_string( $encoding ) && ( 0 === strcasecmp( $encoding, 'application/xhtml+xml' ) || 0 === strcasecmp( $encoding, 'text/html' ) ) ); } $this->bail( 'Should not have reached end of HTML Integration Point detection: check HTML API code.' ); // This unnecessary return prevents tools from inaccurately reporting type errors. return false; } /** * Returns whether an element of a given name is in the HTML special category. * * @since 6.4.0 * * @see https://html.spec.whatwg.org/#special * * @param WP_HTML_Token|string $tag_name Node to check, or only its name if in the HTML namespace. * @return bool Whether the element of the given name is in the special category. */ public static function is_special( $tag_name ): bool { if ( is_string( $tag_name ) ) { $tag_name = strtoupper( $tag_name ); } else { $tag_name = 'html' === $tag_name->namespace ? strtoupper( $tag_name->node_name ) : "{$tag_name->namespace} {$tag_name->node_name}"; } return ( 'ADDRESS' === $tag_name || 'APPLET' === $tag_name || 'AREA' === $tag_name || 'ARTICLE' === $tag_name || 'ASIDE' === $tag_name || 'BASE' === $tag_name || 'BASEFONT' === $tag_name || 'BGSOUND' === $tag_name || 'BLOCKQUOTE' === $tag_name || 'BODY' === $tag_name || 'BR' === $tag_name || 'BUTTON' === $tag_name || 'CAPTION' === $tag_name || 'CENTER' === $tag_name || 'COL' === $tag_name || 'COLGROUP' === $tag_name || 'DD' === $tag_name || 'DETAILS' === $tag_name || 'DIR' === $tag_name || 'DIV' === $tag_name || 'DL' === $tag_name || 'DT' === $tag_name || 'EMBED' === $tag_name || 'FIELDSET' === $tag_name || 'FIGCAPTION' === $tag_name || 'FIGURE' === $tag_name || 'FOOTER' === $tag_name || 'FORM' === $tag_name || 'FRAME' === $tag_name || 'FRAMESET' === $tag_name || 'H1' === $tag_name || 'H2' === $tag_name || 'H3' === $tag_name || 'H4' === $tag_name || 'H5' === $tag_name || 'H6' === $tag_name || 'HEAD' === $tag_name || 'HEADER' === $tag_name || 'HGROUP' === $tag_name || 'HR' === $tag_name || 'HTML' === $tag_name || 'IFRAME' === $tag_name || 'IMG' === $tag_name || 'INPUT' === $tag_name || 'KEYGEN' === $tag_name || 'LI' === $tag_name || 'LINK' === $tag_name || 'LISTING' === $tag_name || 'MAIN' === $tag_name || 'MARQUEE' === $tag_name || 'MENU' === $tag_name || 'META' === $tag_name || 'NAV' === $tag_name || 'NOEMBED' === $tag_name || 'NOFRAMES' === $tag_name || 'NOSCRIPT' === $tag_name || 'OBJECT' === $tag_name || 'OL' === $tag_name || 'P' === $tag_name || 'PARAM' === $tag_name || 'PLAINTEXT' === $tag_name || 'PRE' === $tag_name || 'SCRIPT' === $tag_name || 'SEARCH' === $tag_name || 'SECTION' === $tag_name || 'SELECT' === $tag_name || 'SOURCE' === $tag_name || 'STYLE' === $tag_name || 'SUMMARY' === $tag_name || 'TABLE' === $tag_name || 'TBODY' === $tag_name || 'TD' === $tag_name || 'TEMPLATE' === $tag_name || 'TEXTAREA' === $tag_name || 'TFOOT' === $tag_name || 'TH' === $tag_name || 'THEAD' === $tag_name || 'TITLE' === $tag_name || 'TR' === $tag_name || 'TRACK' === $tag_name || 'UL' === $tag_name || 'WBR' === $tag_name || 'XMP' === $tag_name || // MathML. 'math MI' === $tag_name || 'math MO' === $tag_name || 'math MN' === $tag_name || 'math MS' === $tag_name || 'math MTEXT' === $tag_name || 'math ANNOTATION-XML' === $tag_name || // SVG. 'svg DESC' === $tag_name || 'svg FOREIGNOBJECT' === $tag_name || 'svg TITLE' === $tag_name ); } /** * Returns whether a given element is an HTML Void Element * * > area, base, br, col, embed, hr, img, input, link, meta, source, track, wbr * * @since 6.4.0 * * @see https://html.spec.whatwg.org/#void-elements * * @param string $tag_name Name of HTML tag to check. * @return bool Whether the given tag is an HTML Void Element. */ public static function is_void( $tag_name ): bool { $tag_name = strtoupper( $tag_name ); return ( 'AREA' === $tag_name || 'BASE' === $tag_name || 'BASEFONT' === $tag_name || // Obsolete but still treated as void. 'BGSOUND' === $tag_name || // Obsolete but still treated as void. 'BR' === $tag_name || 'COL' === $tag_name || 'EMBED' === $tag_name || 'FRAME' === $tag_name || 'HR' === $tag_name || 'IMG' === $tag_name || 'INPUT' === $tag_name || 'KEYGEN' === $tag_name || // Obsolete but still treated as void. 'LINK' === $tag_name || 'META' === $tag_name || 'PARAM' === $tag_name || // Obsolete but still treated as void. 'SOURCE' === $tag_name || 'TRACK' === $tag_name || 'WBR' === $tag_name ); } /** * Gets an encoding from a given string. * * This is an algorithm defined in the WHAT-WG specification. * * Example: * * 'UTF-8' === self::get_encoding( 'utf8' ); * 'UTF-8' === self::get_encoding( " \tUTF-8 " ); * null === self::get_encoding( 'UTF-7' ); * null === self::get_encoding( 'utf8; charset=' ); * * @see https://encoding.spec.whatwg.org/#concept-encoding-get * * @todo As this parser only supports UTF-8, only the UTF-8 * encodings are detected. Add more as desired, but the * parser will bail on non-UTF-8 encodings. * * @since 6.7.0 * * @param string $label A string which may specify a known encoding. * @return string|null Known encoding if matched, otherwise null. */ protected static function get_encoding( string $label ): ?string { /* * > Remove any leading and trailing ASCII whitespace from label. */ $label = trim( $label, " \t\f\r\n" ); /* * > If label is an ASCII case-insensitive match for any of the labels listed in the * > table below, then return the corresponding encoding; otherwise return failure. */ switch ( strtolower( $label ) ) { case 'unicode-1-1-utf-8': case 'unicode11utf8': case 'unicode20utf8': case 'utf-8': case 'utf8': case 'x-unicode20utf8': return 'UTF-8'; default: return null; } } /* * Constants that would pollute the top of the class if they were found there. */ /** * Indicates that the next HTML token should be parsed and processed. * * @since 6.4.0 * * @var string */ const PROCESS_NEXT_NODE = 'process-next-node'; /** * Indicates that the current HTML token should be reprocessed in the newly-selected insertion mode. * * @since 6.4.0 * * @var string */ const REPROCESS_CURRENT_NODE = 'reprocess-current-node'; /** * Indicates that the current HTML token should be processed without advancing the parser. * * @since 6.5.0 * * @var string */ const PROCESS_CURRENT_NODE = 'process-current-node'; /** * Indicates that the parser encountered unsupported markup and has bailed. * * @since 6.4.0 * * @var string */ const ERROR_UNSUPPORTED = 'unsupported'; /** * Indicates that the parser encountered more HTML tokens than it * was able to process and has bailed. * * @since 6.4.0 * * @var string */ const ERROR_EXCEEDED_MAX_BOOKMARKS = 'exceeded-max-bookmarks'; /** * Unlock code that must be passed into the constructor to create this class. * * This class extends the WP_HTML_Tag_Processor, which has a public class * constructor. Therefore, it's not possible to have a private constructor here. * * This unlock code is used to ensure that anyone calling the constructor is * doing so with a full understanding that it's intended to be a private API. * * @access private */ const CONSTRUCTOR_UNLOCK_CODE = 'Use WP_HTML_Processor::create_fragment() instead of calling the class constructor directly.'; } |