2967 lines
105 KiB
PHP
2967 lines
105 KiB
PHP
<?php
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/**
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* These functions can be replaced via plugins. If plugins do not redefine these
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* functions, then these will be used instead.
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*
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* @package WordPress
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*/
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if ( ! function_exists( 'wp_set_current_user' ) ) :
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/**
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* Changes the current user by ID or name.
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*
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* Set $id to null and specify a name if you do not know a user's ID.
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*
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* Some WordPress functionality is based on the current user and not based on
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* the signed in user. Therefore, it opens the ability to edit and perform
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* actions on users who aren't signed in.
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*
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* @since 2.0.3
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*
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* @global WP_User $current_user The current user object which holds the user data.
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*
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* @param int|null $id User ID.
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* @param string $name User's username.
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* @return WP_User Current user User object.
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*/
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function wp_set_current_user( $id, $name = '' ) {
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global $current_user;
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// If `$id` matches the current user, there is nothing to do.
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if ( isset( $current_user )
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&& ( $current_user instanceof WP_User )
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&& ( $id == $current_user->ID )
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&& ( null !== $id )
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) {
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return $current_user;
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}
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$current_user = new WP_User( $id, $name );
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setup_userdata( $current_user->ID );
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/**
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* Fires after the current user is set.
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*
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* @since 2.0.1
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*/
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do_action( 'set_current_user' );
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return $current_user;
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}
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endif;
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if ( ! function_exists( 'wp_get_current_user' ) ) :
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/**
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* Retrieve the current user object.
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*
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* Will set the current user, if the current user is not set. The current user
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* will be set to the logged-in person. If no user is logged-in, then it will
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* set the current user to 0, which is invalid and won't have any permissions.
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*
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* @since 2.0.3
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*
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* @see _wp_get_current_user()
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* @global WP_User $current_user Checks if the current user is set.
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*
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* @return WP_User Current WP_User instance.
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*/
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function wp_get_current_user() {
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return _wp_get_current_user();
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}
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endif;
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if ( ! function_exists( 'get_userdata' ) ) :
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/**
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* Retrieve user info by user ID.
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*
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* @since 0.71
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*
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* @param int $user_id User ID
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* @return WP_User|false WP_User object on success, false on failure.
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*/
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function get_userdata( $user_id ) {
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return get_user_by( 'id', $user_id );
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}
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endif;
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if ( ! function_exists( 'get_user_by' ) ) :
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/**
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* Retrieve user info by a given field
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*
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* @since 2.8.0
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* @since 4.4.0 Added 'ID' as an alias of 'id' for the `$field` parameter.
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* @since 5.8.0 Returns the global `$current_user` if it's the user being fetched.
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*
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* @global WP_User $current_user The current user object which holds the user data.
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*
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* @param string $field The field to retrieve the user with. id | ID | slug | email | login.
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* @param int|string $value A value for $field. A user ID, slug, email address, or login name.
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* @return WP_User|false WP_User object on success, false on failure.
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*/
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function get_user_by( $field, $value ) {
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global $current_user;
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$userdata = WP_User::get_data_by( $field, $value );
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if ( ! $userdata ) {
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return false;
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}
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if ( $current_user instanceof WP_User && $current_user->ID === (int) $userdata->ID ) {
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return $current_user;
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}
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$user = new WP_User;
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$user->init( $userdata );
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return $user;
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}
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endif;
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if ( ! function_exists( 'cache_users' ) ) :
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/**
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* Retrieve info for user lists to prevent multiple queries by get_userdata()
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*
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* @since 3.0.0
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*
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* @global wpdb $wpdb WordPress database abstraction object.
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*
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* @param int[] $user_ids User ID numbers list
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*/
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function cache_users( $user_ids ) {
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global $wpdb;
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$clean = _get_non_cached_ids( $user_ids, 'users' );
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if ( empty( $clean ) ) {
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return;
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}
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$list = implode( ',', $clean );
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$users = $wpdb->get_results( "SELECT * FROM $wpdb->users WHERE ID IN ($list)" );
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$ids = array();
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foreach ( $users as $user ) {
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update_user_caches( $user );
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$ids[] = $user->ID;
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}
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update_meta_cache( 'user', $ids );
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}
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endif;
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if ( ! function_exists( 'wp_mail' ) ) :
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/**
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* Sends an email, similar to PHP's mail function.
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*
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* A true return value does not automatically mean that the user received the
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* email successfully. It just only means that the method used was able to
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* process the request without any errors.
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*
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* The default content type is `text/plain` which does not allow using HTML.
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* However, you can set the content type of the email by using the
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* {@see 'wp_mail_content_type'} filter.
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*
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* The default charset is based on the charset used on the blog. The charset can
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* be set using the {@see 'wp_mail_charset'} filter.
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*
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* @since 1.2.1
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* @since 5.5.0 is_email() is used for email validation,
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* instead of PHPMailer's default validator.
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*
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* @global PHPMailer\PHPMailer\PHPMailer $phpmailer
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*
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* @param string|string[] $to Array or comma-separated list of email addresses to send message.
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* @param string $subject Email subject.
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* @param string $message Message contents.
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* @param string|string[] $headers Optional. Additional headers.
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* @param string|string[] $attachments Optional. Paths to files to attach.
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* @return bool Whether the email was sent successfully.
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*/
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function wp_mail( $to, $subject, $message, $headers = '', $attachments = array() ) {
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// Compact the input, apply the filters, and extract them back out.
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/**
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* Filters the wp_mail() arguments.
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*
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* @since 2.2.0
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*
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* @param array $args {
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* Array of the `wp_mail()` arguments.
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*
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* @type string|string[] $to Array or comma-separated list of email addresses to send message.
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* @type string $subject Email subject.
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* @type string $message Message contents.
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* @type string|string[] $headers Additional headers.
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* @type string|string[] $attachments Paths to files to attach.
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* }
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*/
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$atts = apply_filters( 'wp_mail', compact( 'to', 'subject', 'message', 'headers', 'attachments' ) );
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/**
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* Filters whether to preempt sending an email.
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*
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* Returning a non-null value will short-circuit {@see wp_mail()}, returning
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* that value instead. A boolean return value should be used to indicate whether
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* the email was successfully sent.
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*
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* @since 5.7.0
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*
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* @param null|bool $return Short-circuit return value.
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* @param array $atts {
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* Array of the `wp_mail()` arguments.
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*
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* @type string|string[] $to Array or comma-separated list of email addresses to send message.
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* @type string $subject Email subject.
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* @type string $message Message contents.
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* @type string|string[] $headers Additional headers.
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* @type string|string[] $attachments Paths to files to attach.
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* }
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*/
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$pre_wp_mail = apply_filters( 'pre_wp_mail', null, $atts );
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if ( null !== $pre_wp_mail ) {
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return $pre_wp_mail;
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}
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if ( isset( $atts['to'] ) ) {
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$to = $atts['to'];
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}
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if ( ! is_array( $to ) ) {
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$to = explode( ',', $to );
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}
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if ( isset( $atts['subject'] ) ) {
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$subject = $atts['subject'];
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}
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if ( isset( $atts['message'] ) ) {
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$message = $atts['message'];
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}
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if ( isset( $atts['headers'] ) ) {
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$headers = $atts['headers'];
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}
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if ( isset( $atts['attachments'] ) ) {
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$attachments = $atts['attachments'];
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}
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if ( ! is_array( $attachments ) ) {
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$attachments = explode( "\n", str_replace( "\r\n", "\n", $attachments ) );
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}
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global $phpmailer;
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// (Re)create it, if it's gone missing.
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if ( ! ( $phpmailer instanceof PHPMailer\PHPMailer\PHPMailer ) ) {
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require_once ABSPATH . WPINC . '/PHPMailer/PHPMailer.php';
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require_once ABSPATH . WPINC . '/PHPMailer/SMTP.php';
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require_once ABSPATH . WPINC . '/PHPMailer/Exception.php';
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$phpmailer = new PHPMailer\PHPMailer\PHPMailer( true );
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$phpmailer::$validator = static function ( $email ) {
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return (bool) is_email( $email );
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};
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}
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// Headers.
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$cc = array();
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$bcc = array();
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$reply_to = array();
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if ( empty( $headers ) ) {
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$headers = array();
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} else {
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if ( ! is_array( $headers ) ) {
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// Explode the headers out, so this function can take
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// both string headers and an array of headers.
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$tempheaders = explode( "\n", str_replace( "\r\n", "\n", $headers ) );
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} else {
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$tempheaders = $headers;
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}
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$headers = array();
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// If it's actually got contents.
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if ( ! empty( $tempheaders ) ) {
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// Iterate through the raw headers.
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foreach ( (array) $tempheaders as $header ) {
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if ( strpos( $header, ':' ) === false ) {
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if ( false !== stripos( $header, 'boundary=' ) ) {
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$parts = preg_split( '/boundary=/i', trim( $header ) );
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$boundary = trim( str_replace( array( "'", '"' ), '', $parts[1] ) );
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}
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continue;
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}
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// Explode them out.
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list( $name, $content ) = explode( ':', trim( $header ), 2 );
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// Cleanup crew.
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$name = trim( $name );
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$content = trim( $content );
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switch ( strtolower( $name ) ) {
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// Mainly for legacy -- process a "From:" header if it's there.
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case 'from':
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$bracket_pos = strpos( $content, '<' );
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if ( false !== $bracket_pos ) {
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// Text before the bracketed email is the "From" name.
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if ( $bracket_pos > 0 ) {
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$from_name = substr( $content, 0, $bracket_pos - 1 );
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$from_name = str_replace( '"', '', $from_name );
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$from_name = trim( $from_name );
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}
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$from_email = substr( $content, $bracket_pos + 1 );
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$from_email = str_replace( '>', '', $from_email );
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$from_email = trim( $from_email );
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// Avoid setting an empty $from_email.
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} elseif ( '' !== trim( $content ) ) {
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$from_email = trim( $content );
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}
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break;
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case 'content-type':
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if ( strpos( $content, ';' ) !== false ) {
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list( $type, $charset_content ) = explode( ';', $content );
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$content_type = trim( $type );
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if ( false !== stripos( $charset_content, 'charset=' ) ) {
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$charset = trim( str_replace( array( 'charset=', '"' ), '', $charset_content ) );
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} elseif ( false !== stripos( $charset_content, 'boundary=' ) ) {
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$boundary = trim( str_replace( array( 'BOUNDARY=', 'boundary=', '"' ), '', $charset_content ) );
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$charset = '';
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}
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// Avoid setting an empty $content_type.
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} elseif ( '' !== trim( $content ) ) {
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$content_type = trim( $content );
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}
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break;
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case 'cc':
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$cc = array_merge( (array) $cc, explode( ',', $content ) );
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break;
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case 'bcc':
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$bcc = array_merge( (array) $bcc, explode( ',', $content ) );
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break;
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case 'reply-to':
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$reply_to = array_merge( (array) $reply_to, explode( ',', $content ) );
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break;
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default:
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// Add it to our grand headers array.
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$headers[ trim( $name ) ] = trim( $content );
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break;
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}
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}
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}
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}
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// Empty out the values that may be set.
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$phpmailer->clearAllRecipients();
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$phpmailer->clearAttachments();
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$phpmailer->clearCustomHeaders();
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$phpmailer->clearReplyTos();
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// Set "From" name and email.
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// If we don't have a name from the input headers.
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if ( ! isset( $from_name ) ) {
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$from_name = 'WordPress';
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}
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/*
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* If we don't have an email from the input headers, default to wordpress@$sitename
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* Some hosts will block outgoing mail from this address if it doesn't exist,
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* but there's no easy alternative. Defaulting to admin_email might appear to be
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* another option, but some hosts may refuse to relay mail from an unknown domain.
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* See https://core.trac.wordpress.org/ticket/5007.
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*/
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if ( ! isset( $from_email ) ) {
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// Get the site domain and get rid of www.
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$sitename = wp_parse_url( network_home_url(), PHP_URL_HOST );
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$from_email = 'wordpress@';
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if ( null !== $sitename ) {
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if ( 'www.' === substr( $sitename, 0, 4 ) ) {
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$sitename = substr( $sitename, 4 );
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}
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$from_email .= $sitename;
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}
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}
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/**
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* Filters the email address to send from.
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*
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* @since 2.2.0
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*
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* @param string $from_email Email address to send from.
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*/
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$from_email = apply_filters( 'wp_mail_from', $from_email );
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/**
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* Filters the name to associate with the "from" email address.
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*
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* @since 2.3.0
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*
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* @param string $from_name Name associated with the "from" email address.
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*/
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$from_name = apply_filters( 'wp_mail_from_name', $from_name );
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try {
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$phpmailer->setFrom( $from_email, $from_name, false );
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} catch ( PHPMailer\PHPMailer\Exception $e ) {
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$mail_error_data = compact( 'to', 'subject', 'message', 'headers', 'attachments' );
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$mail_error_data['phpmailer_exception_code'] = $e->getCode();
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/** This filter is documented in wp-includes/pluggable.php */
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do_action( 'wp_mail_failed', new WP_Error( 'wp_mail_failed', $e->getMessage(), $mail_error_data ) );
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return false;
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}
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// Set mail's subject and body.
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$phpmailer->Subject = $subject;
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$phpmailer->Body = $message;
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// Set destination addresses, using appropriate methods for handling addresses.
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$address_headers = compact( 'to', 'cc', 'bcc', 'reply_to' );
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foreach ( $address_headers as $address_header => $addresses ) {
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if ( empty( $addresses ) ) {
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continue;
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}
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foreach ( (array) $addresses as $address ) {
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try {
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// Break $recipient into name and address parts if in the format "Foo <bar@baz.com>".
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$recipient_name = '';
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if ( preg_match( '/(.*)<(.+)>/', $address, $matches ) ) {
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if ( count( $matches ) == 3 ) {
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$recipient_name = $matches[1];
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$address = $matches[2];
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}
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}
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switch ( $address_header ) {
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case 'to':
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$phpmailer->addAddress( $address, $recipient_name );
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break;
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case 'cc':
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$phpmailer->addCc( $address, $recipient_name );
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break;
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case 'bcc':
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$phpmailer->addBcc( $address, $recipient_name );
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break;
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case 'reply_to':
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$phpmailer->addReplyTo( $address, $recipient_name );
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break;
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}
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} catch ( PHPMailer\PHPMailer\Exception $e ) {
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continue;
|
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}
|
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}
|
|
}
|
|
|
|
// Set to use PHP's mail().
|
|
$phpmailer->isMail();
|
|
|
|
// Set Content-Type and charset.
|
|
|
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// If we don't have a content-type from the input headers.
|
|
if ( ! isset( $content_type ) ) {
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$content_type = 'text/plain';
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}
|
|
|
|
/**
|
|
* Filters the wp_mail() content type.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param string $content_type Default wp_mail() content type.
|
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*/
|
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$content_type = apply_filters( 'wp_mail_content_type', $content_type );
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|
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$phpmailer->ContentType = $content_type;
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|
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// Set whether it's plaintext, depending on $content_type.
|
|
if ( 'text/html' === $content_type ) {
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$phpmailer->isHTML( true );
|
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}
|
|
|
|
// If we don't have a charset from the input headers.
|
|
if ( ! isset( $charset ) ) {
|
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$charset = get_bloginfo( 'charset' );
|
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}
|
|
|
|
/**
|
|
* Filters the default wp_mail() charset.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param string $charset Default email charset.
|
|
*/
|
|
$phpmailer->CharSet = apply_filters( 'wp_mail_charset', $charset );
|
|
|
|
// Set custom headers.
|
|
if ( ! empty( $headers ) ) {
|
|
foreach ( (array) $headers as $name => $content ) {
|
|
// Only add custom headers not added automatically by PHPMailer.
|
|
if ( ! in_array( $name, array( 'MIME-Version', 'X-Mailer' ), true ) ) {
|
|
try {
|
|
$phpmailer->addCustomHeader( sprintf( '%1$s: %2$s', $name, $content ) );
|
|
} catch ( PHPMailer\PHPMailer\Exception $e ) {
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( false !== stripos( $content_type, 'multipart' ) && ! empty( $boundary ) ) {
|
|
$phpmailer->addCustomHeader( sprintf( 'Content-Type: %s; boundary="%s"', $content_type, $boundary ) );
|
|
}
|
|
}
|
|
|
|
if ( ! empty( $attachments ) ) {
|
|
foreach ( $attachments as $attachment ) {
|
|
try {
|
|
$phpmailer->addAttachment( $attachment );
|
|
} catch ( PHPMailer\PHPMailer\Exception $e ) {
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Fires after PHPMailer is initialized.
|
|
*
|
|
* @since 2.2.0
|
|
*
|
|
* @param PHPMailer $phpmailer The PHPMailer instance (passed by reference).
|
|
*/
|
|
do_action_ref_array( 'phpmailer_init', array( &$phpmailer ) );
|
|
|
|
$mail_data = compact( 'to', 'subject', 'message', 'headers', 'attachments' );
|
|
|
|
// Send!
|
|
try {
|
|
$send = $phpmailer->send();
|
|
|
|
/**
|
|
* Fires after PHPMailer has successfully sent an email.
|
|
*
|
|
* The firing of this action does not necessarily mean that the recipient(s) received the
|
|
* email successfully. It only means that the `send` method above was able to
|
|
* process the request without any errors.
|
|
*
|
|
* @since 5.9.0
|
|
*
|
|
* @param array $mail_data {
|
|
* An array containing the email recipient(s), subject, message, headers, and attachments.
|
|
*
|
|
* @type string[] $to Email addresses to send message.
|
|
* @type string $subject Email subject.
|
|
* @type string $message Message contents.
|
|
* @type string[] $headers Additional headers.
|
|
* @type string[] $attachments Paths to files to attach.
|
|
* }
|
|
*/
|
|
do_action( 'wp_mail_succeeded', $mail_data );
|
|
|
|
return $send;
|
|
} catch ( PHPMailer\PHPMailer\Exception $e ) {
|
|
$mail_data['phpmailer_exception_code'] = $e->getCode();
|
|
|
|
/**
|
|
* Fires after a PHPMailer\PHPMailer\Exception is caught.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @param WP_Error $error A WP_Error object with the PHPMailer\PHPMailer\Exception message, and an array
|
|
* containing the mail recipient, subject, message, headers, and attachments.
|
|
*/
|
|
do_action( 'wp_mail_failed', new WP_Error( 'wp_mail_failed', $e->getMessage(), $mail_data ) );
|
|
|
|
return false;
|
|
}
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'wp_authenticate' ) ) :
|
|
/**
|
|
* Authenticate a user, confirming the login credentials are valid.
|
|
*
|
|
* @since 2.5.0
|
|
* @since 4.5.0 `$username` now accepts an email address.
|
|
*
|
|
* @param string $username User's username or email address.
|
|
* @param string $password User's password.
|
|
* @return WP_User|WP_Error WP_User object if the credentials are valid,
|
|
* otherwise WP_Error.
|
|
*/
|
|
function wp_authenticate( $username, $password ) {
|
|
$username = sanitize_user( $username );
|
|
$password = trim( $password );
|
|
|
|
/**
|
|
* Filters whether a set of user login credentials are valid.
|
|
*
|
|
* A WP_User object is returned if the credentials authenticate a user.
|
|
* WP_Error or null otherwise.
|
|
*
|
|
* @since 2.8.0
|
|
* @since 4.5.0 `$username` now accepts an email address.
|
|
*
|
|
* @param null|WP_User|WP_Error $user WP_User if the user is authenticated.
|
|
* WP_Error or null otherwise.
|
|
* @param string $username Username or email address.
|
|
* @param string $password User password
|
|
*/
|
|
$user = apply_filters( 'authenticate', null, $username, $password );
|
|
|
|
if ( null == $user ) {
|
|
// TODO: What should the error message be? (Or would these even happen?)
|
|
// Only needed if all authentication handlers fail to return anything.
|
|
$user = new WP_Error( 'authentication_failed', __( '<strong>Error:</strong> Invalid username, email address or incorrect password.' ) );
|
|
}
|
|
|
|
$ignore_codes = array( 'empty_username', 'empty_password' );
|
|
|
|
if ( is_wp_error( $user ) && ! in_array( $user->get_error_code(), $ignore_codes, true ) ) {
|
|
$error = $user;
|
|
|
|
/**
|
|
* Fires after a user login has failed.
|
|
*
|
|
* @since 2.5.0
|
|
* @since 4.5.0 The value of `$username` can now be an email address.
|
|
* @since 5.4.0 The `$error` parameter was added.
|
|
*
|
|
* @param string $username Username or email address.
|
|
* @param WP_Error $error A WP_Error object with the authentication failure details.
|
|
*/
|
|
do_action( 'wp_login_failed', $username, $error );
|
|
}
|
|
|
|
return $user;
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'wp_logout' ) ) :
|
|
/**
|
|
* Log the current user out.
|
|
*
|
|
* @since 2.5.0
|
|
*/
|
|
function wp_logout() {
|
|
$user_id = get_current_user_id();
|
|
|
|
wp_destroy_current_session();
|
|
wp_clear_auth_cookie();
|
|
wp_set_current_user( 0 );
|
|
|
|
/**
|
|
* Fires after a user is logged out.
|
|
*
|
|
* @since 1.5.0
|
|
* @since 5.5.0 Added the `$user_id` parameter.
|
|
*
|
|
* @param int $user_id ID of the user that was logged out.
|
|
*/
|
|
do_action( 'wp_logout', $user_id );
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'wp_validate_auth_cookie' ) ) :
|
|
/**
|
|
* Validates authentication cookie.
|
|
*
|
|
* The checks include making sure that the authentication cookie is set and
|
|
* pulling in the contents (if $cookie is not used).
|
|
*
|
|
* Makes sure the cookie is not expired. Verifies the hash in cookie is what is
|
|
* should be and compares the two.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @global int $login_grace_period
|
|
*
|
|
* @param string $cookie Optional. If used, will validate contents instead of cookie's.
|
|
* @param string $scheme Optional. The cookie scheme to use: 'auth', 'secure_auth', or 'logged_in'.
|
|
* @return int|false User ID if valid cookie, false if invalid.
|
|
*/
|
|
function wp_validate_auth_cookie( $cookie = '', $scheme = '' ) {
|
|
$cookie_elements = wp_parse_auth_cookie( $cookie, $scheme );
|
|
if ( ! $cookie_elements ) {
|
|
/**
|
|
* Fires if an authentication cookie is malformed.
|
|
*
|
|
* @since 2.7.0
|
|
*
|
|
* @param string $cookie Malformed auth cookie.
|
|
* @param string $scheme Authentication scheme. Values include 'auth', 'secure_auth',
|
|
* or 'logged_in'.
|
|
*/
|
|
do_action( 'auth_cookie_malformed', $cookie, $scheme );
|
|
return false;
|
|
}
|
|
|
|
$scheme = $cookie_elements['scheme'];
|
|
$username = $cookie_elements['username'];
|
|
$hmac = $cookie_elements['hmac'];
|
|
$token = $cookie_elements['token'];
|
|
$expired = $cookie_elements['expiration'];
|
|
$expiration = $cookie_elements['expiration'];
|
|
|
|
// Allow a grace period for POST and Ajax requests.
|
|
if ( wp_doing_ajax() || 'POST' === $_SERVER['REQUEST_METHOD'] ) {
|
|
$expired += HOUR_IN_SECONDS;
|
|
}
|
|
|
|
// Quick check to see if an honest cookie has expired.
|
|
if ( $expired < time() ) {
|
|
/**
|
|
* Fires once an authentication cookie has expired.
|
|
*
|
|
* @since 2.7.0
|
|
*
|
|
* @param string[] $cookie_elements {
|
|
* Authentication cookie components. None of the components should be assumed
|
|
* to be valid as they come directly from a client-provided cookie value.
|
|
*
|
|
* @type string $username User's username.
|
|
* @type string $expiration The time the cookie expires as a UNIX timestamp.
|
|
* @type string $token User's session token used.
|
|
* @type string $hmac The security hash for the cookie.
|
|
* @type string $scheme The cookie scheme to use.
|
|
* }
|
|
*/
|
|
do_action( 'auth_cookie_expired', $cookie_elements );
|
|
return false;
|
|
}
|
|
|
|
$user = get_user_by( 'login', $username );
|
|
if ( ! $user ) {
|
|
/**
|
|
* Fires if a bad username is entered in the user authentication process.
|
|
*
|
|
* @since 2.7.0
|
|
*
|
|
* @param string[] $cookie_elements {
|
|
* Authentication cookie components. None of the components should be assumed
|
|
* to be valid as they come directly from a client-provided cookie value.
|
|
*
|
|
* @type string $username User's username.
|
|
* @type string $expiration The time the cookie expires as a UNIX timestamp.
|
|
* @type string $token User's session token used.
|
|
* @type string $hmac The security hash for the cookie.
|
|
* @type string $scheme The cookie scheme to use.
|
|
* }
|
|
*/
|
|
do_action( 'auth_cookie_bad_username', $cookie_elements );
|
|
return false;
|
|
}
|
|
|
|
$pass_frag = substr( $user->user_pass, 8, 4 );
|
|
|
|
$key = wp_hash( $username . '|' . $pass_frag . '|' . $expiration . '|' . $token, $scheme );
|
|
|
|
// If ext/hash is not present, compat.php's hash_hmac() does not support sha256.
|
|
$algo = function_exists( 'hash' ) ? 'sha256' : 'sha1';
|
|
$hash = hash_hmac( $algo, $username . '|' . $expiration . '|' . $token, $key );
|
|
|
|
if ( ! hash_equals( $hash, $hmac ) ) {
|
|
/**
|
|
* Fires if a bad authentication cookie hash is encountered.
|
|
*
|
|
* @since 2.7.0
|
|
*
|
|
* @param string[] $cookie_elements {
|
|
* Authentication cookie components. None of the components should be assumed
|
|
* to be valid as they come directly from a client-provided cookie value.
|
|
*
|
|
* @type string $username User's username.
|
|
* @type string $expiration The time the cookie expires as a UNIX timestamp.
|
|
* @type string $token User's session token used.
|
|
* @type string $hmac The security hash for the cookie.
|
|
* @type string $scheme The cookie scheme to use.
|
|
* }
|
|
*/
|
|
do_action( 'auth_cookie_bad_hash', $cookie_elements );
|
|
return false;
|
|
}
|
|
|
|
$manager = WP_Session_Tokens::get_instance( $user->ID );
|
|
if ( ! $manager->verify( $token ) ) {
|
|
/**
|
|
* Fires if a bad session token is encountered.
|
|
*
|
|
* @since 4.0.0
|
|
*
|
|
* @param string[] $cookie_elements {
|
|
* Authentication cookie components. None of the components should be assumed
|
|
* to be valid as they come directly from a client-provided cookie value.
|
|
*
|
|
* @type string $username User's username.
|
|
* @type string $expiration The time the cookie expires as a UNIX timestamp.
|
|
* @type string $token User's session token used.
|
|
* @type string $hmac The security hash for the cookie.
|
|
* @type string $scheme The cookie scheme to use.
|
|
* }
|
|
*/
|
|
do_action( 'auth_cookie_bad_session_token', $cookie_elements );
|
|
return false;
|
|
}
|
|
|
|
// Ajax/POST grace period set above.
|
|
if ( $expiration < time() ) {
|
|
$GLOBALS['login_grace_period'] = 1;
|
|
}
|
|
|
|
/**
|
|
* Fires once an authentication cookie has been validated.
|
|
*
|
|
* @since 2.7.0
|
|
*
|
|
* @param string[] $cookie_elements {
|
|
* Authentication cookie components.
|
|
*
|
|
* @type string $username User's username.
|
|
* @type string $expiration The time the cookie expires as a UNIX timestamp.
|
|
* @type string $token User's session token used.
|
|
* @type string $hmac The security hash for the cookie.
|
|
* @type string $scheme The cookie scheme to use.
|
|
* }
|
|
* @param WP_User $user User object.
|
|
*/
|
|
do_action( 'auth_cookie_valid', $cookie_elements, $user );
|
|
|
|
return $user->ID;
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'wp_generate_auth_cookie' ) ) :
|
|
/**
|
|
* Generates authentication cookie contents.
|
|
*
|
|
* @since 2.5.0
|
|
* @since 4.0.0 The `$token` parameter was added.
|
|
*
|
|
* @param int $user_id User ID.
|
|
* @param int $expiration The time the cookie expires as a UNIX timestamp.
|
|
* @param string $scheme Optional. The cookie scheme to use: 'auth', 'secure_auth', or 'logged_in'.
|
|
* Default 'auth'.
|
|
* @param string $token User's session token to use for this cookie.
|
|
* @return string Authentication cookie contents. Empty string if user does not exist.
|
|
*/
|
|
function wp_generate_auth_cookie( $user_id, $expiration, $scheme = 'auth', $token = '' ) {
|
|
$user = get_userdata( $user_id );
|
|
if ( ! $user ) {
|
|
return '';
|
|
}
|
|
|
|
if ( ! $token ) {
|
|
$manager = WP_Session_Tokens::get_instance( $user_id );
|
|
$token = $manager->create( $expiration );
|
|
}
|
|
|
|
$pass_frag = substr( $user->user_pass, 8, 4 );
|
|
|
|
$key = wp_hash( $user->user_login . '|' . $pass_frag . '|' . $expiration . '|' . $token, $scheme );
|
|
|
|
// If ext/hash is not present, compat.php's hash_hmac() does not support sha256.
|
|
$algo = function_exists( 'hash' ) ? 'sha256' : 'sha1';
|
|
$hash = hash_hmac( $algo, $user->user_login . '|' . $expiration . '|' . $token, $key );
|
|
|
|
$cookie = $user->user_login . '|' . $expiration . '|' . $token . '|' . $hash;
|
|
|
|
/**
|
|
* Filters the authentication cookie.
|
|
*
|
|
* @since 2.5.0
|
|
* @since 4.0.0 The `$token` parameter was added.
|
|
*
|
|
* @param string $cookie Authentication cookie.
|
|
* @param int $user_id User ID.
|
|
* @param int $expiration The time the cookie expires as a UNIX timestamp.
|
|
* @param string $scheme Cookie scheme used. Accepts 'auth', 'secure_auth', or 'logged_in'.
|
|
* @param string $token User's session token used.
|
|
*/
|
|
return apply_filters( 'auth_cookie', $cookie, $user_id, $expiration, $scheme, $token );
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'wp_parse_auth_cookie' ) ) :
|
|
/**
|
|
* Parses a cookie into its components.
|
|
*
|
|
* @since 2.7.0
|
|
*
|
|
* @param string $cookie Authentication cookie.
|
|
* @param string $scheme Optional. The cookie scheme to use: 'auth', 'secure_auth', or 'logged_in'.
|
|
* @return string[]|false {
|
|
* Authentication cookie components. None of the components should be assumed
|
|
* to be valid as they come directly from a client-provided cookie value. If
|
|
* the cookie value is malformed, false is returned.
|
|
*
|
|
* @type string $username User's username.
|
|
* @type string $expiration The time the cookie expires as a UNIX timestamp.
|
|
* @type string $token User's session token used.
|
|
* @type string $hmac The security hash for the cookie.
|
|
* @type string $scheme The cookie scheme to use.
|
|
* }
|
|
*/
|
|
function wp_parse_auth_cookie( $cookie = '', $scheme = '' ) {
|
|
if ( empty( $cookie ) ) {
|
|
switch ( $scheme ) {
|
|
case 'auth':
|
|
$cookie_name = AUTH_COOKIE;
|
|
break;
|
|
case 'secure_auth':
|
|
$cookie_name = SECURE_AUTH_COOKIE;
|
|
break;
|
|
case 'logged_in':
|
|
$cookie_name = LOGGED_IN_COOKIE;
|
|
break;
|
|
default:
|
|
if ( is_ssl() ) {
|
|
$cookie_name = SECURE_AUTH_COOKIE;
|
|
$scheme = 'secure_auth';
|
|
} else {
|
|
$cookie_name = AUTH_COOKIE;
|
|
$scheme = 'auth';
|
|
}
|
|
}
|
|
|
|
if ( empty( $_COOKIE[ $cookie_name ] ) ) {
|
|
return false;
|
|
}
|
|
$cookie = $_COOKIE[ $cookie_name ];
|
|
}
|
|
|
|
$cookie_elements = explode( '|', $cookie );
|
|
if ( count( $cookie_elements ) !== 4 ) {
|
|
return false;
|
|
}
|
|
|
|
list( $username, $expiration, $token, $hmac ) = $cookie_elements;
|
|
|
|
return compact( 'username', 'expiration', 'token', 'hmac', 'scheme' );
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'wp_set_auth_cookie' ) ) :
|
|
/**
|
|
* Sets the authentication cookies based on user ID.
|
|
*
|
|
* The $remember parameter increases the time that the cookie will be kept. The
|
|
* default the cookie is kept without remembering is two days. When $remember is
|
|
* set, the cookies will be kept for 14 days or two weeks.
|
|
*
|
|
* @since 2.5.0
|
|
* @since 4.3.0 Added the `$token` parameter.
|
|
*
|
|
* @param int $user_id User ID.
|
|
* @param bool $remember Whether to remember the user.
|
|
* @param bool|string $secure Whether the auth cookie should only be sent over HTTPS. Default is an empty
|
|
* string which means the value of `is_ssl()` will be used.
|
|
* @param string $token Optional. User's session token to use for this cookie.
|
|
*/
|
|
function wp_set_auth_cookie( $user_id, $remember = false, $secure = '', $token = '' ) {
|
|
if ( $remember ) {
|
|
/**
|
|
* Filters the duration of the authentication cookie expiration period.
|
|
*
|
|
* @since 2.8.0
|
|
*
|
|
* @param int $length Duration of the expiration period in seconds.
|
|
* @param int $user_id User ID.
|
|
* @param bool $remember Whether to remember the user login. Default false.
|
|
*/
|
|
$expiration = time() + apply_filters( 'auth_cookie_expiration', 14 * DAY_IN_SECONDS, $user_id, $remember );
|
|
|
|
/*
|
|
* Ensure the browser will continue to send the cookie after the expiration time is reached.
|
|
* Needed for the login grace period in wp_validate_auth_cookie().
|
|
*/
|
|
$expire = $expiration + ( 12 * HOUR_IN_SECONDS );
|
|
} else {
|
|
/** This filter is documented in wp-includes/pluggable.php */
|
|
$expiration = time() + apply_filters( 'auth_cookie_expiration', 2 * DAY_IN_SECONDS, $user_id, $remember );
|
|
$expire = 0;
|
|
}
|
|
|
|
if ( '' === $secure ) {
|
|
$secure = is_ssl();
|
|
}
|
|
|
|
// Front-end cookie is secure when the auth cookie is secure and the site's home URL uses HTTPS.
|
|
$secure_logged_in_cookie = $secure && 'https' === parse_url( get_option( 'home' ), PHP_URL_SCHEME );
|
|
|
|
/**
|
|
* Filters whether the auth cookie should only be sent over HTTPS.
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @param bool $secure Whether the cookie should only be sent over HTTPS.
|
|
* @param int $user_id User ID.
|
|
*/
|
|
$secure = apply_filters( 'secure_auth_cookie', $secure, $user_id );
|
|
|
|
/**
|
|
* Filters whether the logged in cookie should only be sent over HTTPS.
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @param bool $secure_logged_in_cookie Whether the logged in cookie should only be sent over HTTPS.
|
|
* @param int $user_id User ID.
|
|
* @param bool $secure Whether the auth cookie should only be sent over HTTPS.
|
|
*/
|
|
$secure_logged_in_cookie = apply_filters( 'secure_logged_in_cookie', $secure_logged_in_cookie, $user_id, $secure );
|
|
|
|
if ( $secure ) {
|
|
$auth_cookie_name = SECURE_AUTH_COOKIE;
|
|
$scheme = 'secure_auth';
|
|
} else {
|
|
$auth_cookie_name = AUTH_COOKIE;
|
|
$scheme = 'auth';
|
|
}
|
|
|
|
if ( '' === $token ) {
|
|
$manager = WP_Session_Tokens::get_instance( $user_id );
|
|
$token = $manager->create( $expiration );
|
|
}
|
|
|
|
$auth_cookie = wp_generate_auth_cookie( $user_id, $expiration, $scheme, $token );
|
|
$logged_in_cookie = wp_generate_auth_cookie( $user_id, $expiration, 'logged_in', $token );
|
|
|
|
/**
|
|
* Fires immediately before the authentication cookie is set.
|
|
*
|
|
* @since 2.5.0
|
|
* @since 4.9.0 The `$token` parameter was added.
|
|
*
|
|
* @param string $auth_cookie Authentication cookie value.
|
|
* @param int $expire The time the login grace period expires as a UNIX timestamp.
|
|
* Default is 12 hours past the cookie's expiration time.
|
|
* @param int $expiration The time when the authentication cookie expires as a UNIX timestamp.
|
|
* Default is 14 days from now.
|
|
* @param int $user_id User ID.
|
|
* @param string $scheme Authentication scheme. Values include 'auth' or 'secure_auth'.
|
|
* @param string $token User's session token to use for this cookie.
|
|
*/
|
|
do_action( 'set_auth_cookie', $auth_cookie, $expire, $expiration, $user_id, $scheme, $token );
|
|
|
|
/**
|
|
* Fires immediately before the logged-in authentication cookie is set.
|
|
*
|
|
* @since 2.6.0
|
|
* @since 4.9.0 The `$token` parameter was added.
|
|
*
|
|
* @param string $logged_in_cookie The logged-in cookie value.
|
|
* @param int $expire The time the login grace period expires as a UNIX timestamp.
|
|
* Default is 12 hours past the cookie's expiration time.
|
|
* @param int $expiration The time when the logged-in authentication cookie expires as a UNIX timestamp.
|
|
* Default is 14 days from now.
|
|
* @param int $user_id User ID.
|
|
* @param string $scheme Authentication scheme. Default 'logged_in'.
|
|
* @param string $token User's session token to use for this cookie.
|
|
*/
|
|
do_action( 'set_logged_in_cookie', $logged_in_cookie, $expire, $expiration, $user_id, 'logged_in', $token );
|
|
|
|
/**
|
|
* Allows preventing auth cookies from actually being sent to the client.
|
|
*
|
|
* @since 4.7.4
|
|
*
|
|
* @param bool $send Whether to send auth cookies to the client.
|
|
*/
|
|
if ( ! apply_filters( 'send_auth_cookies', true ) ) {
|
|
return;
|
|
}
|
|
|
|
setcookie( $auth_cookie_name, $auth_cookie, $expire, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN, $secure, true );
|
|
setcookie( $auth_cookie_name, $auth_cookie, $expire, ADMIN_COOKIE_PATH, COOKIE_DOMAIN, $secure, true );
|
|
setcookie( LOGGED_IN_COOKIE, $logged_in_cookie, $expire, COOKIEPATH, COOKIE_DOMAIN, $secure_logged_in_cookie, true );
|
|
if ( COOKIEPATH != SITECOOKIEPATH ) {
|
|
setcookie( LOGGED_IN_COOKIE, $logged_in_cookie, $expire, SITECOOKIEPATH, COOKIE_DOMAIN, $secure_logged_in_cookie, true );
|
|
}
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'wp_clear_auth_cookie' ) ) :
|
|
/**
|
|
* Removes all of the cookies associated with authentication.
|
|
*
|
|
* @since 2.5.0
|
|
*/
|
|
function wp_clear_auth_cookie() {
|
|
/**
|
|
* Fires just before the authentication cookies are cleared.
|
|
*
|
|
* @since 2.7.0
|
|
*/
|
|
do_action( 'clear_auth_cookie' );
|
|
|
|
/** This filter is documented in wp-includes/pluggable.php */
|
|
if ( ! apply_filters( 'send_auth_cookies', true ) ) {
|
|
return;
|
|
}
|
|
|
|
// Auth cookies.
|
|
setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, ADMIN_COOKIE_PATH, COOKIE_DOMAIN );
|
|
setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, ADMIN_COOKIE_PATH, COOKIE_DOMAIN );
|
|
setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN );
|
|
setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, PLUGINS_COOKIE_PATH, COOKIE_DOMAIN );
|
|
setcookie( LOGGED_IN_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN );
|
|
setcookie( LOGGED_IN_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN );
|
|
|
|
// Settings cookies.
|
|
setcookie( 'wp-settings-' . get_current_user_id(), ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH );
|
|
setcookie( 'wp-settings-time-' . get_current_user_id(), ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH );
|
|
|
|
// Old cookies.
|
|
setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN );
|
|
setcookie( AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN );
|
|
setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN );
|
|
setcookie( SECURE_AUTH_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN );
|
|
|
|
// Even older cookies.
|
|
setcookie( USER_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN );
|
|
setcookie( PASS_COOKIE, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN );
|
|
setcookie( USER_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN );
|
|
setcookie( PASS_COOKIE, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH, COOKIE_DOMAIN );
|
|
|
|
// Post password cookie.
|
|
setcookie( 'wp-postpass_' . COOKIEHASH, ' ', time() - YEAR_IN_SECONDS, COOKIEPATH, COOKIE_DOMAIN );
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'is_user_logged_in' ) ) :
|
|
/**
|
|
* Determines whether the current visitor is a logged in user.
|
|
*
|
|
* 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
|
|
*
|
|
* @return bool True if user is logged in, false if not logged in.
|
|
*/
|
|
function is_user_logged_in() {
|
|
$user = wp_get_current_user();
|
|
|
|
return $user->exists();
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'auth_redirect' ) ) :
|
|
/**
|
|
* Checks if a user is logged in, if not it redirects them to the login page.
|
|
*
|
|
* When this code is called from a page, it checks to see if the user viewing the page is logged in.
|
|
* If the user is not logged in, they are redirected to the login page. The user is redirected
|
|
* in such a way that, upon logging in, they will be sent directly to the page they were originally
|
|
* trying to access.
|
|
*
|
|
* @since 1.5.0
|
|
*/
|
|
function auth_redirect() {
|
|
$secure = ( is_ssl() || force_ssl_admin() );
|
|
|
|
/**
|
|
* Filters whether to use a secure authentication redirect.
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @param bool $secure Whether to use a secure authentication redirect. Default false.
|
|
*/
|
|
$secure = apply_filters( 'secure_auth_redirect', $secure );
|
|
|
|
// If https is required and request is http, redirect.
|
|
if ( $secure && ! is_ssl() && false !== strpos( $_SERVER['REQUEST_URI'], 'wp-admin' ) ) {
|
|
if ( 0 === strpos( $_SERVER['REQUEST_URI'], 'http' ) ) {
|
|
wp_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) );
|
|
exit;
|
|
} else {
|
|
wp_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
|
|
exit;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Filters the authentication redirect scheme.
|
|
*
|
|
* @since 2.9.0
|
|
*
|
|
* @param string $scheme Authentication redirect scheme. Default empty.
|
|
*/
|
|
$scheme = apply_filters( 'auth_redirect_scheme', '' );
|
|
|
|
$user_id = wp_validate_auth_cookie( '', $scheme );
|
|
if ( $user_id ) {
|
|
/**
|
|
* Fires before the authentication redirect.
|
|
*
|
|
* @since 2.8.0
|
|
*
|
|
* @param int $user_id User ID.
|
|
*/
|
|
do_action( 'auth_redirect', $user_id );
|
|
|
|
// If the user wants ssl but the session is not ssl, redirect.
|
|
if ( ! $secure && get_user_option( 'use_ssl', $user_id ) && false !== strpos( $_SERVER['REQUEST_URI'], 'wp-admin' ) ) {
|
|
if ( 0 === strpos( $_SERVER['REQUEST_URI'], 'http' ) ) {
|
|
wp_redirect( set_url_scheme( $_SERVER['REQUEST_URI'], 'https' ) );
|
|
exit;
|
|
} else {
|
|
wp_redirect( 'https://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
|
|
exit;
|
|
}
|
|
}
|
|
|
|
return; // The cookie is good, so we're done.
|
|
}
|
|
|
|
// The cookie is no good, so force login.
|
|
nocache_headers();
|
|
|
|
$redirect = ( strpos( $_SERVER['REQUEST_URI'], '/options.php' ) && wp_get_referer() ) ? wp_get_referer() : set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] );
|
|
|
|
$login_url = wp_login_url( $redirect, true );
|
|
|
|
wp_redirect( $login_url );
|
|
exit;
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'check_admin_referer' ) ) :
|
|
/**
|
|
* Ensures intent by verifying that a user was referred from another admin page with the correct security nonce.
|
|
*
|
|
* This function ensures the user intends to perform a given action, which helps protect against clickjacking style
|
|
* attacks. It verifies intent, not authorisation, therefore it does not verify the user's capabilities. This should
|
|
* be performed with `current_user_can()` or similar.
|
|
*
|
|
* If the nonce value is invalid, the function will exit with an "Are You Sure?" style message.
|
|
*
|
|
* @since 1.2.0
|
|
* @since 2.5.0 The `$query_arg` parameter was added.
|
|
*
|
|
* @param int|string $action The nonce action.
|
|
* @param string $query_arg Optional. Key to check for nonce in `$_REQUEST`. Default '_wpnonce'.
|
|
* @return int|false 1 if the nonce is valid and generated between 0-12 hours ago,
|
|
* 2 if the nonce is valid and generated between 12-24 hours ago.
|
|
* False if the nonce is invalid.
|
|
*/
|
|
function check_admin_referer( $action = -1, $query_arg = '_wpnonce' ) {
|
|
if ( -1 === $action ) {
|
|
_doing_it_wrong( __FUNCTION__, __( 'You should specify an action to be verified by using the first parameter.' ), '3.2.0' );
|
|
}
|
|
|
|
$adminurl = strtolower( admin_url() );
|
|
$referer = strtolower( wp_get_referer() );
|
|
$result = isset( $_REQUEST[ $query_arg ] ) ? wp_verify_nonce( $_REQUEST[ $query_arg ], $action ) : false;
|
|
|
|
/**
|
|
* Fires once the admin request has been validated or not.
|
|
*
|
|
* @since 1.5.1
|
|
*
|
|
* @param string $action The nonce action.
|
|
* @param false|int $result False if the nonce is invalid, 1 if the nonce is valid and generated between
|
|
* 0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago.
|
|
*/
|
|
do_action( 'check_admin_referer', $action, $result );
|
|
|
|
if ( ! $result && ! ( -1 === $action && strpos( $referer, $adminurl ) === 0 ) ) {
|
|
wp_nonce_ays( $action );
|
|
die();
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'check_ajax_referer' ) ) :
|
|
/**
|
|
* Verifies the Ajax request to prevent processing requests external of the blog.
|
|
*
|
|
* @since 2.0.3
|
|
*
|
|
* @param int|string $action Action nonce.
|
|
* @param false|string $query_arg Optional. Key to check for the nonce in `$_REQUEST` (since 2.5). If false,
|
|
* `$_REQUEST` values will be evaluated for '_ajax_nonce', and '_wpnonce'
|
|
* (in that order). Default false.
|
|
* @param bool $die Optional. Whether to die early when the nonce cannot be verified.
|
|
* Default true.
|
|
* @return int|false 1 if the nonce is valid and generated between 0-12 hours ago,
|
|
* 2 if the nonce is valid and generated between 12-24 hours ago.
|
|
* False if the nonce is invalid.
|
|
*/
|
|
function check_ajax_referer( $action = -1, $query_arg = false, $die = true ) {
|
|
if ( -1 == $action ) {
|
|
_doing_it_wrong( __FUNCTION__, __( 'You should specify an action to be verified by using the first parameter.' ), '4.7.0' );
|
|
}
|
|
|
|
$nonce = '';
|
|
|
|
if ( $query_arg && isset( $_REQUEST[ $query_arg ] ) ) {
|
|
$nonce = $_REQUEST[ $query_arg ];
|
|
} elseif ( isset( $_REQUEST['_ajax_nonce'] ) ) {
|
|
$nonce = $_REQUEST['_ajax_nonce'];
|
|
} elseif ( isset( $_REQUEST['_wpnonce'] ) ) {
|
|
$nonce = $_REQUEST['_wpnonce'];
|
|
}
|
|
|
|
$result = wp_verify_nonce( $nonce, $action );
|
|
|
|
/**
|
|
* Fires once the Ajax request has been validated or not.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @param string $action The Ajax nonce action.
|
|
* @param false|int $result False if the nonce is invalid, 1 if the nonce is valid and generated between
|
|
* 0-12 hours ago, 2 if the nonce is valid and generated between 12-24 hours ago.
|
|
*/
|
|
do_action( 'check_ajax_referer', $action, $result );
|
|
|
|
if ( $die && false === $result ) {
|
|
if ( wp_doing_ajax() ) {
|
|
wp_die( -1, 403 );
|
|
} else {
|
|
die( '-1' );
|
|
}
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'wp_redirect' ) ) :
|
|
/**
|
|
* Redirects to another page.
|
|
*
|
|
* Note: wp_redirect() does not exit automatically, and should almost always be
|
|
* followed by a call to `exit;`:
|
|
*
|
|
* wp_redirect( $url );
|
|
* exit;
|
|
*
|
|
* Exiting can also be selectively manipulated by using wp_redirect() as a conditional
|
|
* in conjunction with the {@see 'wp_redirect'} and {@see 'wp_redirect_location'} filters:
|
|
*
|
|
* if ( wp_redirect( $url ) ) {
|
|
* exit;
|
|
* }
|
|
*
|
|
* @since 1.5.1
|
|
* @since 5.1.0 The `$x_redirect_by` parameter was added.
|
|
* @since 5.4.0 On invalid status codes, wp_die() is called.
|
|
*
|
|
* @global bool $is_IIS
|
|
*
|
|
* @param string $location The path or URL to redirect to.
|
|
* @param int $status Optional. HTTP response status code to use. Default '302' (Moved Temporarily).
|
|
* @param string $x_redirect_by Optional. The application doing the redirect. Default 'WordPress'.
|
|
* @return bool False if the redirect was cancelled, true otherwise.
|
|
*/
|
|
function wp_redirect( $location, $status = 302, $x_redirect_by = 'WordPress' ) {
|
|
global $is_IIS;
|
|
|
|
/**
|
|
* Filters the redirect location.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @param string $location The path or URL to redirect to.
|
|
* @param int $status The HTTP response status code to use.
|
|
*/
|
|
$location = apply_filters( 'wp_redirect', $location, $status );
|
|
|
|
/**
|
|
* Filters the redirect HTTP response status code to use.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param int $status The HTTP response status code to use.
|
|
* @param string $location The path or URL to redirect to.
|
|
*/
|
|
$status = apply_filters( 'wp_redirect_status', $status, $location );
|
|
|
|
if ( ! $location ) {
|
|
return false;
|
|
}
|
|
|
|
if ( $status < 300 || 399 < $status ) {
|
|
wp_die( __( 'HTTP redirect status code must be a redirection code, 3xx.' ) );
|
|
}
|
|
|
|
$location = wp_sanitize_redirect( $location );
|
|
|
|
if ( ! $is_IIS && 'cgi-fcgi' !== PHP_SAPI ) {
|
|
status_header( $status ); // This causes problems on IIS and some FastCGI setups.
|
|
}
|
|
|
|
/**
|
|
* Filters the X-Redirect-By header.
|
|
*
|
|
* Allows applications to identify themselves when they're doing a redirect.
|
|
*
|
|
* @since 5.1.0
|
|
*
|
|
* @param string $x_redirect_by The application doing the redirect.
|
|
* @param int $status Status code to use.
|
|
* @param string $location The path to redirect to.
|
|
*/
|
|
$x_redirect_by = apply_filters( 'x_redirect_by', $x_redirect_by, $status, $location );
|
|
if ( is_string( $x_redirect_by ) ) {
|
|
header( "X-Redirect-By: $x_redirect_by" );
|
|
}
|
|
|
|
header( "Location: $location", true, $status );
|
|
|
|
return true;
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'wp_sanitize_redirect' ) ) :
|
|
/**
|
|
* Sanitizes a URL for use in a redirect.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param string $location The path to redirect to.
|
|
* @return string Redirect-sanitized URL.
|
|
*/
|
|
function wp_sanitize_redirect( $location ) {
|
|
// Encode spaces.
|
|
$location = str_replace( ' ', '%20', $location );
|
|
|
|
$regex = '/
|
|
(
|
|
(?: [\xC2-\xDF][\x80-\xBF] # double-byte sequences 110xxxxx 10xxxxxx
|
|
| \xE0[\xA0-\xBF][\x80-\xBF] # triple-byte sequences 1110xxxx 10xxxxxx * 2
|
|
| [\xE1-\xEC][\x80-\xBF]{2}
|
|
| \xED[\x80-\x9F][\x80-\xBF]
|
|
| [\xEE-\xEF][\x80-\xBF]{2}
|
|
| \xF0[\x90-\xBF][\x80-\xBF]{2} # four-byte sequences 11110xxx 10xxxxxx * 3
|
|
| [\xF1-\xF3][\x80-\xBF]{3}
|
|
| \xF4[\x80-\x8F][\x80-\xBF]{2}
|
|
){1,40} # ...one or more times
|
|
)/x';
|
|
$location = preg_replace_callback( $regex, '_wp_sanitize_utf8_in_redirect', $location );
|
|
$location = preg_replace( '|[^a-z0-9-~+_.?#=&;,/:%!*\[\]()@]|i', '', $location );
|
|
$location = wp_kses_no_null( $location );
|
|
|
|
// Remove %0D and %0A from location.
|
|
$strip = array( '%0d', '%0a', '%0D', '%0A' );
|
|
return _deep_replace( $strip, $location );
|
|
}
|
|
|
|
/**
|
|
* URL encode UTF-8 characters in a URL.
|
|
*
|
|
* @ignore
|
|
* @since 4.2.0
|
|
* @access private
|
|
*
|
|
* @see wp_sanitize_redirect()
|
|
*
|
|
* @param array $matches RegEx matches against the redirect location.
|
|
* @return string URL-encoded version of the first RegEx match.
|
|
*/
|
|
function _wp_sanitize_utf8_in_redirect( $matches ) {
|
|
return urlencode( $matches[0] );
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'wp_safe_redirect' ) ) :
|
|
/**
|
|
* Performs a safe (local) redirect, using wp_redirect().
|
|
*
|
|
* Checks whether the $location is using an allowed host, if it has an absolute
|
|
* path. A plugin can therefore set or remove allowed host(s) to or from the
|
|
* list.
|
|
*
|
|
* If the host is not allowed, then the redirect defaults to wp-admin on the siteurl
|
|
* instead. This prevents malicious redirects which redirect to another host,
|
|
* but only used in a few places.
|
|
*
|
|
* Note: wp_safe_redirect() does not exit automatically, and should almost always be
|
|
* followed by a call to `exit;`:
|
|
*
|
|
* wp_safe_redirect( $url );
|
|
* exit;
|
|
*
|
|
* Exiting can also be selectively manipulated by using wp_safe_redirect() as a conditional
|
|
* in conjunction with the {@see 'wp_redirect'} and {@see 'wp_redirect_location'} filters:
|
|
*
|
|
* if ( wp_safe_redirect( $url ) ) {
|
|
* exit;
|
|
* }
|
|
*
|
|
* @since 2.3.0
|
|
* @since 5.1.0 The return value from wp_redirect() is now passed on, and the `$x_redirect_by` parameter was added.
|
|
*
|
|
* @param string $location The path or URL to redirect to.
|
|
* @param int $status Optional. HTTP response status code to use. Default '302' (Moved Temporarily).
|
|
* @param string $x_redirect_by Optional. The application doing the redirect. Default 'WordPress'.
|
|
* @return bool False if the redirect was cancelled, true otherwise.
|
|
*/
|
|
function wp_safe_redirect( $location, $status = 302, $x_redirect_by = 'WordPress' ) {
|
|
|
|
// Need to look at the URL the way it will end up in wp_redirect().
|
|
$location = wp_sanitize_redirect( $location );
|
|
|
|
/**
|
|
* Filters the redirect fallback URL for when the provided redirect is not safe (local).
|
|
*
|
|
* @since 4.3.0
|
|
*
|
|
* @param string $fallback_url The fallback URL to use by default.
|
|
* @param int $status The HTTP response status code to use.
|
|
*/
|
|
$location = wp_validate_redirect( $location, apply_filters( 'wp_safe_redirect_fallback', admin_url(), $status ) );
|
|
|
|
return wp_redirect( $location, $status, $x_redirect_by );
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'wp_validate_redirect' ) ) :
|
|
/**
|
|
* Validates a URL for use in a redirect.
|
|
*
|
|
* Checks whether the $location is using an allowed host, if it has an absolute
|
|
* path. A plugin can therefore set or remove allowed host(s) to or from the
|
|
* list.
|
|
*
|
|
* If the host is not allowed, then the redirect is to $default supplied
|
|
*
|
|
* @since 2.8.1
|
|
*
|
|
* @param string $location The redirect to validate
|
|
* @param string $default The value to return if $location is not allowed
|
|
* @return string redirect-sanitized URL
|
|
*/
|
|
function wp_validate_redirect( $location, $default = '' ) {
|
|
$location = wp_sanitize_redirect( trim( $location, " \t\n\r\0\x08\x0B" ) );
|
|
// Browsers will assume 'http' is your protocol, and will obey a redirect to a URL starting with '//'.
|
|
if ( '//' === substr( $location, 0, 2 ) ) {
|
|
$location = 'http:' . $location;
|
|
}
|
|
|
|
// In PHP 5 parse_url() may fail if the URL query part contains 'http://'.
|
|
// See https://bugs.php.net/bug.php?id=38143
|
|
$cut = strpos( $location, '?' );
|
|
$test = $cut ? substr( $location, 0, $cut ) : $location;
|
|
|
|
$lp = parse_url( $test );
|
|
|
|
// Give up if malformed URL.
|
|
if ( false === $lp ) {
|
|
return $default;
|
|
}
|
|
|
|
// Allow only 'http' and 'https' schemes. No 'data:', etc.
|
|
if ( isset( $lp['scheme'] ) && ! ( 'http' === $lp['scheme'] || 'https' === $lp['scheme'] ) ) {
|
|
return $default;
|
|
}
|
|
|
|
if ( ! isset( $lp['host'] ) && ! empty( $lp['path'] ) && '/' !== $lp['path'][0] ) {
|
|
$path = '';
|
|
if ( ! empty( $_SERVER['REQUEST_URI'] ) ) {
|
|
$path = dirname( parse_url( 'http://placeholder' . $_SERVER['REQUEST_URI'], PHP_URL_PATH ) . '?' );
|
|
$path = wp_normalize_path( $path );
|
|
}
|
|
$location = '/' . ltrim( $path . '/', '/' ) . $location;
|
|
}
|
|
|
|
// Reject if certain components are set but host is not.
|
|
// This catches URLs like https:host.com for which parse_url() does not set the host field.
|
|
if ( ! isset( $lp['host'] ) && ( isset( $lp['scheme'] ) || isset( $lp['user'] ) || isset( $lp['pass'] ) || isset( $lp['port'] ) ) ) {
|
|
return $default;
|
|
}
|
|
|
|
// Reject malformed components parse_url() can return on odd inputs.
|
|
foreach ( array( 'user', 'pass', 'host' ) as $component ) {
|
|
if ( isset( $lp[ $component ] ) && strpbrk( $lp[ $component ], ':/?#@' ) ) {
|
|
return $default;
|
|
}
|
|
}
|
|
|
|
$wpp = parse_url( home_url() );
|
|
|
|
/**
|
|
* Filters the list of allowed hosts to redirect to.
|
|
*
|
|
* @since 2.3.0
|
|
*
|
|
* @param string[] $hosts An array of allowed host names.
|
|
* @param string $host The host name of the redirect destination; empty string if not set.
|
|
*/
|
|
$allowed_hosts = (array) apply_filters( 'allowed_redirect_hosts', array( $wpp['host'] ), isset( $lp['host'] ) ? $lp['host'] : '' );
|
|
|
|
if ( isset( $lp['host'] ) && ( ! in_array( $lp['host'], $allowed_hosts, true ) && strtolower( $wpp['host'] ) !== $lp['host'] ) ) {
|
|
$location = $default;
|
|
}
|
|
|
|
return $location;
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'wp_notify_postauthor' ) ) :
|
|
/**
|
|
* Notify an author (and/or others) of a comment/trackback/pingback on a post.
|
|
*
|
|
* @since 1.0.0
|
|
*
|
|
* @param int|WP_Comment $comment_id Comment ID or WP_Comment object.
|
|
* @param string $deprecated Not used
|
|
* @return bool True on completion. False if no email addresses were specified.
|
|
*/
|
|
function wp_notify_postauthor( $comment_id, $deprecated = null ) {
|
|
if ( null !== $deprecated ) {
|
|
_deprecated_argument( __FUNCTION__, '3.8.0' );
|
|
}
|
|
|
|
$comment = get_comment( $comment_id );
|
|
if ( empty( $comment ) || empty( $comment->comment_post_ID ) ) {
|
|
return false;
|
|
}
|
|
|
|
$post = get_post( $comment->comment_post_ID );
|
|
$author = get_userdata( $post->post_author );
|
|
|
|
// Who to notify? By default, just the post author, but others can be added.
|
|
$emails = array();
|
|
if ( $author ) {
|
|
$emails[] = $author->user_email;
|
|
}
|
|
|
|
/**
|
|
* Filters the list of email addresses to receive a comment notification.
|
|
*
|
|
* By default, only post authors are notified of comments. This filter allows
|
|
* others to be added.
|
|
*
|
|
* @since 3.7.0
|
|
*
|
|
* @param string[] $emails An array of email addresses to receive a comment notification.
|
|
* @param string $comment_id The comment ID as a numeric string.
|
|
*/
|
|
$emails = apply_filters( 'comment_notification_recipients', $emails, $comment->comment_ID );
|
|
$emails = array_filter( $emails );
|
|
|
|
// If there are no addresses to send the comment to, bail.
|
|
if ( ! count( $emails ) ) {
|
|
return false;
|
|
}
|
|
|
|
// Facilitate unsetting below without knowing the keys.
|
|
$emails = array_flip( $emails );
|
|
|
|
/**
|
|
* Filters whether to notify comment authors of their comments on their own posts.
|
|
*
|
|
* By default, comment authors aren't notified of their comments on their own
|
|
* posts. This filter allows you to override that.
|
|
*
|
|
* @since 3.8.0
|
|
*
|
|
* @param bool $notify Whether to notify the post author of their own comment.
|
|
* Default false.
|
|
* @param string $comment_id The comment ID as a numeric string.
|
|
*/
|
|
$notify_author = apply_filters( 'comment_notification_notify_author', false, $comment->comment_ID );
|
|
|
|
// The comment was left by the author.
|
|
if ( $author && ! $notify_author && $comment->user_id == $post->post_author ) {
|
|
unset( $emails[ $author->user_email ] );
|
|
}
|
|
|
|
// The author moderated a comment on their own post.
|
|
if ( $author && ! $notify_author && get_current_user_id() == $post->post_author ) {
|
|
unset( $emails[ $author->user_email ] );
|
|
}
|
|
|
|
// The post author is no longer a member of the blog.
|
|
if ( $author && ! $notify_author && ! user_can( $post->post_author, 'read_post', $post->ID ) ) {
|
|
unset( $emails[ $author->user_email ] );
|
|
}
|
|
|
|
// If there's no email to send the comment to, bail, otherwise flip array back around for use below.
|
|
if ( ! count( $emails ) ) {
|
|
return false;
|
|
} else {
|
|
$emails = array_flip( $emails );
|
|
}
|
|
|
|
$switched_locale = switch_to_locale( get_locale() );
|
|
|
|
$comment_author_domain = '';
|
|
if ( WP_Http::is_ip_address( $comment->comment_author_IP ) ) {
|
|
$comment_author_domain = gethostbyaddr( $comment->comment_author_IP );
|
|
}
|
|
|
|
// 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.
|
|
$blogname = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
|
|
$comment_content = wp_specialchars_decode( $comment->comment_content );
|
|
|
|
switch ( $comment->comment_type ) {
|
|
case 'trackback':
|
|
/* translators: %s: Post title. */
|
|
$notify_message = sprintf( __( 'New trackback on your post "%s"' ), $post->post_title ) . "\r\n";
|
|
/* translators: 1: Trackback/pingback website name, 2: Website IP address, 3: Website hostname. */
|
|
$notify_message .= sprintf( __( 'Website: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
|
|
/* translators: %s: Trackback/pingback/comment author URL. */
|
|
$notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
|
|
/* translators: %s: Comment text. */
|
|
$notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n";
|
|
$notify_message .= __( 'You can see all trackbacks on this post here:' ) . "\r\n";
|
|
/* translators: Trackback notification email subject. 1: Site title, 2: Post title. */
|
|
$subject = sprintf( __( '[%1$s] Trackback: "%2$s"' ), $blogname, $post->post_title );
|
|
break;
|
|
|
|
case 'pingback':
|
|
/* translators: %s: Post title. */
|
|
$notify_message = sprintf( __( 'New pingback on your post "%s"' ), $post->post_title ) . "\r\n";
|
|
/* translators: 1: Trackback/pingback website name, 2: Website IP address, 3: Website hostname. */
|
|
$notify_message .= sprintf( __( 'Website: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
|
|
/* translators: %s: Trackback/pingback/comment author URL. */
|
|
$notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
|
|
/* translators: %s: Comment text. */
|
|
$notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n";
|
|
$notify_message .= __( 'You can see all pingbacks on this post here:' ) . "\r\n";
|
|
/* translators: Pingback notification email subject. 1: Site title, 2: Post title. */
|
|
$subject = sprintf( __( '[%1$s] Pingback: "%2$s"' ), $blogname, $post->post_title );
|
|
break;
|
|
|
|
default: // Comments.
|
|
/* translators: %s: Post title. */
|
|
$notify_message = sprintf( __( 'New comment on your post "%s"' ), $post->post_title ) . "\r\n";
|
|
/* translators: 1: Comment author's name, 2: Comment author's IP address, 3: Comment author's hostname. */
|
|
$notify_message .= sprintf( __( 'Author: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
|
|
/* translators: %s: Comment author email. */
|
|
$notify_message .= sprintf( __( 'Email: %s' ), $comment->comment_author_email ) . "\r\n";
|
|
/* translators: %s: Trackback/pingback/comment author URL. */
|
|
$notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
|
|
|
|
if ( $comment->comment_parent && user_can( $post->post_author, 'edit_comment', $comment->comment_parent ) ) {
|
|
/* translators: Comment moderation. %s: Parent comment edit URL. */
|
|
$notify_message .= sprintf( __( 'In reply to: %s' ), admin_url( "comment.php?action=editcomment&c={$comment->comment_parent}#wpbody-content" ) ) . "\r\n";
|
|
}
|
|
|
|
/* translators: %s: Comment text. */
|
|
$notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n";
|
|
$notify_message .= __( 'You can see all comments on this post here:' ) . "\r\n";
|
|
/* translators: Comment notification email subject. 1: Site title, 2: Post title. */
|
|
$subject = sprintf( __( '[%1$s] Comment: "%2$s"' ), $blogname, $post->post_title );
|
|
break;
|
|
}
|
|
|
|
$notify_message .= get_permalink( $comment->comment_post_ID ) . "#comments\r\n\r\n";
|
|
/* translators: %s: Comment URL. */
|
|
$notify_message .= sprintf( __( 'Permalink: %s' ), get_comment_link( $comment ) ) . "\r\n";
|
|
|
|
if ( user_can( $post->post_author, 'edit_comment', $comment->comment_ID ) ) {
|
|
if ( EMPTY_TRASH_DAYS ) {
|
|
/* translators: Comment moderation. %s: Comment action URL. */
|
|
$notify_message .= sprintf( __( 'Trash it: %s' ), admin_url( "comment.php?action=trash&c={$comment->comment_ID}#wpbody-content" ) ) . "\r\n";
|
|
} else {
|
|
/* translators: Comment moderation. %s: Comment action URL. */
|
|
$notify_message .= sprintf( __( 'Delete it: %s' ), admin_url( "comment.php?action=delete&c={$comment->comment_ID}#wpbody-content" ) ) . "\r\n";
|
|
}
|
|
/* translators: Comment moderation. %s: Comment action URL. */
|
|
$notify_message .= sprintf( __( 'Spam it: %s' ), admin_url( "comment.php?action=spam&c={$comment->comment_ID}#wpbody-content" ) ) . "\r\n";
|
|
}
|
|
|
|
$wp_email = 'wordpress@' . preg_replace( '#^www\.#', '', wp_parse_url( network_home_url(), PHP_URL_HOST ) );
|
|
|
|
if ( '' === $comment->comment_author ) {
|
|
$from = "From: \"$blogname\" <$wp_email>";
|
|
if ( '' !== $comment->comment_author_email ) {
|
|
$reply_to = "Reply-To: $comment->comment_author_email";
|
|
}
|
|
} else {
|
|
$from = "From: \"$comment->comment_author\" <$wp_email>";
|
|
if ( '' !== $comment->comment_author_email ) {
|
|
$reply_to = "Reply-To: \"$comment->comment_author_email\" <$comment->comment_author_email>";
|
|
}
|
|
}
|
|
|
|
$message_headers = "$from\n"
|
|
. 'Content-Type: text/plain; charset="' . get_option( 'blog_charset' ) . "\"\n";
|
|
|
|
if ( isset( $reply_to ) ) {
|
|
$message_headers .= $reply_to . "\n";
|
|
}
|
|
|
|
/**
|
|
* Filters the comment notification email text.
|
|
*
|
|
* @since 1.5.2
|
|
*
|
|
* @param string $notify_message The comment notification email text.
|
|
* @param string $comment_id Comment ID as a numeric string.
|
|
*/
|
|
$notify_message = apply_filters( 'comment_notification_text', $notify_message, $comment->comment_ID );
|
|
|
|
/**
|
|
* Filters the comment notification email subject.
|
|
*
|
|
* @since 1.5.2
|
|
*
|
|
* @param string $subject The comment notification email subject.
|
|
* @param string $comment_id Comment ID as a numeric string.
|
|
*/
|
|
$subject = apply_filters( 'comment_notification_subject', $subject, $comment->comment_ID );
|
|
|
|
/**
|
|
* Filters the comment notification email headers.
|
|
*
|
|
* @since 1.5.2
|
|
*
|
|
* @param string $message_headers Headers for the comment notification email.
|
|
* @param string $comment_id Comment ID as a numeric string.
|
|
*/
|
|
$message_headers = apply_filters( 'comment_notification_headers', $message_headers, $comment->comment_ID );
|
|
|
|
foreach ( $emails as $email ) {
|
|
wp_mail( $email, wp_specialchars_decode( $subject ), $notify_message, $message_headers );
|
|
}
|
|
|
|
if ( $switched_locale ) {
|
|
restore_previous_locale();
|
|
}
|
|
|
|
return true;
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'wp_notify_moderator' ) ) :
|
|
/**
|
|
* Notifies the moderator of the site about a new comment that is awaiting approval.
|
|
*
|
|
* @since 1.0.0
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*
|
|
* Uses the {@see 'notify_moderator'} filter to determine whether the site moderator
|
|
* should be notified, overriding the site setting.
|
|
*
|
|
* @param int $comment_id Comment ID.
|
|
* @return true Always returns true.
|
|
*/
|
|
function wp_notify_moderator( $comment_id ) {
|
|
global $wpdb;
|
|
|
|
$maybe_notify = get_option( 'moderation_notify' );
|
|
|
|
/**
|
|
* Filters whether to send the site moderator email notifications, overriding the site setting.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @param bool $maybe_notify Whether to notify blog moderator.
|
|
* @param int $comment_ID The id of the comment for the notification.
|
|
*/
|
|
$maybe_notify = apply_filters( 'notify_moderator', $maybe_notify, $comment_id );
|
|
|
|
if ( ! $maybe_notify ) {
|
|
return true;
|
|
}
|
|
|
|
$comment = get_comment( $comment_id );
|
|
$post = get_post( $comment->comment_post_ID );
|
|
$user = get_userdata( $post->post_author );
|
|
// Send to the administration and to the post author if the author can modify the comment.
|
|
$emails = array( get_option( 'admin_email' ) );
|
|
if ( $user && user_can( $user->ID, 'edit_comment', $comment_id ) && ! empty( $user->user_email ) ) {
|
|
if ( 0 !== strcasecmp( $user->user_email, get_option( 'admin_email' ) ) ) {
|
|
$emails[] = $user->user_email;
|
|
}
|
|
}
|
|
|
|
$switched_locale = switch_to_locale( get_locale() );
|
|
|
|
$comment_author_domain = '';
|
|
if ( WP_Http::is_ip_address( $comment->comment_author_IP ) ) {
|
|
$comment_author_domain = gethostbyaddr( $comment->comment_author_IP );
|
|
}
|
|
|
|
$comments_waiting = $wpdb->get_var( "SELECT COUNT(*) FROM $wpdb->comments WHERE comment_approved = '0'" );
|
|
|
|
// 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.
|
|
$blogname = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
|
|
$comment_content = wp_specialchars_decode( $comment->comment_content );
|
|
|
|
switch ( $comment->comment_type ) {
|
|
case 'trackback':
|
|
/* translators: %s: Post title. */
|
|
$notify_message = sprintf( __( 'A new trackback on the post "%s" is waiting for your approval' ), $post->post_title ) . "\r\n";
|
|
$notify_message .= get_permalink( $comment->comment_post_ID ) . "\r\n\r\n";
|
|
/* translators: 1: Trackback/pingback website name, 2: Website IP address, 3: Website hostname. */
|
|
$notify_message .= sprintf( __( 'Website: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
|
|
/* translators: %s: Trackback/pingback/comment author URL. */
|
|
$notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
|
|
$notify_message .= __( 'Trackback excerpt: ' ) . "\r\n" . $comment_content . "\r\n\r\n";
|
|
break;
|
|
|
|
case 'pingback':
|
|
/* translators: %s: Post title. */
|
|
$notify_message = sprintf( __( 'A new pingback on the post "%s" is waiting for your approval' ), $post->post_title ) . "\r\n";
|
|
$notify_message .= get_permalink( $comment->comment_post_ID ) . "\r\n\r\n";
|
|
/* translators: 1: Trackback/pingback website name, 2: Website IP address, 3: Website hostname. */
|
|
$notify_message .= sprintf( __( 'Website: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
|
|
/* translators: %s: Trackback/pingback/comment author URL. */
|
|
$notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
|
|
$notify_message .= __( 'Pingback excerpt: ' ) . "\r\n" . $comment_content . "\r\n\r\n";
|
|
break;
|
|
|
|
default: // Comments.
|
|
/* translators: %s: Post title. */
|
|
$notify_message = sprintf( __( 'A new comment on the post "%s" is waiting for your approval' ), $post->post_title ) . "\r\n";
|
|
$notify_message .= get_permalink( $comment->comment_post_ID ) . "\r\n\r\n";
|
|
/* translators: 1: Comment author's name, 2: Comment author's IP address, 3: Comment author's hostname. */
|
|
$notify_message .= sprintf( __( 'Author: %1$s (IP address: %2$s, %3$s)' ), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
|
|
/* translators: %s: Comment author email. */
|
|
$notify_message .= sprintf( __( 'Email: %s' ), $comment->comment_author_email ) . "\r\n";
|
|
/* translators: %s: Trackback/pingback/comment author URL. */
|
|
$notify_message .= sprintf( __( 'URL: %s' ), $comment->comment_author_url ) . "\r\n";
|
|
|
|
if ( $comment->comment_parent ) {
|
|
/* translators: Comment moderation. %s: Parent comment edit URL. */
|
|
$notify_message .= sprintf( __( 'In reply to: %s' ), admin_url( "comment.php?action=editcomment&c={$comment->comment_parent}#wpbody-content" ) ) . "\r\n";
|
|
}
|
|
|
|
/* translators: %s: Comment text. */
|
|
$notify_message .= sprintf( __( 'Comment: %s' ), "\r\n" . $comment_content ) . "\r\n\r\n";
|
|
break;
|
|
}
|
|
|
|
/* translators: Comment moderation. %s: Comment action URL. */
|
|
$notify_message .= sprintf( __( 'Approve it: %s' ), admin_url( "comment.php?action=approve&c={$comment_id}#wpbody-content" ) ) . "\r\n";
|
|
|
|
if ( EMPTY_TRASH_DAYS ) {
|
|
/* translators: Comment moderation. %s: Comment action URL. */
|
|
$notify_message .= sprintf( __( 'Trash it: %s' ), admin_url( "comment.php?action=trash&c={$comment_id}#wpbody-content" ) ) . "\r\n";
|
|
} else {
|
|
/* translators: Comment moderation. %s: Comment action URL. */
|
|
$notify_message .= sprintf( __( 'Delete it: %s' ), admin_url( "comment.php?action=delete&c={$comment_id}#wpbody-content" ) ) . "\r\n";
|
|
}
|
|
|
|
/* translators: Comment moderation. %s: Comment action URL. */
|
|
$notify_message .= sprintf( __( 'Spam it: %s' ), admin_url( "comment.php?action=spam&c={$comment_id}#wpbody-content" ) ) . "\r\n";
|
|
|
|
$notify_message .= sprintf(
|
|
/* translators: Comment moderation. %s: Number of comments awaiting approval. */
|
|
_n(
|
|
'Currently %s comment is waiting for approval. Please visit the moderation panel:',
|
|
'Currently %s comments are waiting for approval. Please visit the moderation panel:',
|
|
$comments_waiting
|
|
),
|
|
number_format_i18n( $comments_waiting )
|
|
) . "\r\n";
|
|
$notify_message .= admin_url( 'edit-comments.php?comment_status=moderated#wpbody-content' ) . "\r\n";
|
|
|
|
/* translators: Comment moderation notification email subject. 1: Site title, 2: Post title. */
|
|
$subject = sprintf( __( '[%1$s] Please moderate: "%2$s"' ), $blogname, $post->post_title );
|
|
$message_headers = '';
|
|
|
|
/**
|
|
* Filters the list of recipients for comment moderation emails.
|
|
*
|
|
* @since 3.7.0
|
|
*
|
|
* @param string[] $emails List of email addresses to notify for comment moderation.
|
|
* @param int $comment_id Comment ID.
|
|
*/
|
|
$emails = apply_filters( 'comment_moderation_recipients', $emails, $comment_id );
|
|
|
|
/**
|
|
* Filters the comment moderation email text.
|
|
*
|
|
* @since 1.5.2
|
|
*
|
|
* @param string $notify_message Text of the comment moderation email.
|
|
* @param int $comment_id Comment ID.
|
|
*/
|
|
$notify_message = apply_filters( 'comment_moderation_text', $notify_message, $comment_id );
|
|
|
|
/**
|
|
* Filters the comment moderation email subject.
|
|
*
|
|
* @since 1.5.2
|
|
*
|
|
* @param string $subject Subject of the comment moderation email.
|
|
* @param int $comment_id Comment ID.
|
|
*/
|
|
$subject = apply_filters( 'comment_moderation_subject', $subject, $comment_id );
|
|
|
|
/**
|
|
* Filters the comment moderation email headers.
|
|
*
|
|
* @since 2.8.0
|
|
*
|
|
* @param string $message_headers Headers for the comment moderation email.
|
|
* @param int $comment_id Comment ID.
|
|
*/
|
|
$message_headers = apply_filters( 'comment_moderation_headers', $message_headers, $comment_id );
|
|
|
|
foreach ( $emails as $email ) {
|
|
wp_mail( $email, wp_specialchars_decode( $subject ), $notify_message, $message_headers );
|
|
}
|
|
|
|
if ( $switched_locale ) {
|
|
restore_previous_locale();
|
|
}
|
|
|
|
return true;
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'wp_password_change_notification' ) ) :
|
|
/**
|
|
* Notify the blog admin of a user changing password, normally via email.
|
|
*
|
|
* @since 2.7.0
|
|
*
|
|
* @param WP_User $user User object.
|
|
*/
|
|
function wp_password_change_notification( $user ) {
|
|
// Send a copy of password change notification to the admin,
|
|
// but check to see if it's the admin whose password we're changing, and skip this.
|
|
if ( 0 !== strcasecmp( $user->user_email, get_option( 'admin_email' ) ) ) {
|
|
/* translators: %s: User name. */
|
|
$message = sprintf( __( 'Password changed for user: %s' ), $user->user_login ) . "\r\n";
|
|
// 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.
|
|
$blogname = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
|
|
|
|
$wp_password_change_notification_email = array(
|
|
'to' => get_option( 'admin_email' ),
|
|
/* translators: Password change notification email subject. %s: Site title. */
|
|
'subject' => __( '[%s] Password Changed' ),
|
|
'message' => $message,
|
|
'headers' => '',
|
|
);
|
|
|
|
/**
|
|
* Filters the contents of the password change notification email sent to the site admin.
|
|
*
|
|
* @since 4.9.0
|
|
*
|
|
* @param array $wp_password_change_notification_email {
|
|
* Used to build wp_mail().
|
|
*
|
|
* @type string $to The intended recipient - site admin 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 WP_User $user User object for user whose password was changed.
|
|
* @param string $blogname The site title.
|
|
*/
|
|
$wp_password_change_notification_email = apply_filters( 'wp_password_change_notification_email', $wp_password_change_notification_email, $user, $blogname );
|
|
|
|
wp_mail(
|
|
$wp_password_change_notification_email['to'],
|
|
wp_specialchars_decode( sprintf( $wp_password_change_notification_email['subject'], $blogname ) ),
|
|
$wp_password_change_notification_email['message'],
|
|
$wp_password_change_notification_email['headers']
|
|
);
|
|
}
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'wp_new_user_notification' ) ) :
|
|
/**
|
|
* Email login credentials to a newly-registered user.
|
|
*
|
|
* A new user registration notification is also sent to admin email.
|
|
*
|
|
* @since 2.0.0
|
|
* @since 4.3.0 The `$plaintext_pass` parameter was changed to `$notify`.
|
|
* @since 4.3.1 The `$plaintext_pass` parameter was deprecated. `$notify` added as a third parameter.
|
|
* @since 4.6.0 The `$notify` parameter accepts 'user' for sending notification only to the user created.
|
|
*
|
|
* @param int $user_id User ID.
|
|
* @param null $deprecated Not used (argument deprecated).
|
|
* @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 empty.
|
|
*/
|
|
function wp_new_user_notification( $user_id, $deprecated = null, $notify = '' ) {
|
|
if ( null !== $deprecated ) {
|
|
_deprecated_argument( __FUNCTION__, '4.3.1' );
|
|
}
|
|
|
|
// Accepts only 'user', 'admin' , 'both' or default '' as $notify.
|
|
if ( ! in_array( $notify, array( 'user', 'admin', 'both', '' ), true ) ) {
|
|
return;
|
|
}
|
|
|
|
$user = get_userdata( $user_id );
|
|
|
|
// 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.
|
|
$blogname = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
|
|
|
|
if ( 'user' !== $notify ) {
|
|
$switched_locale = switch_to_locale( get_locale() );
|
|
|
|
/* translators: %s: Site title. */
|
|
$message = sprintf( __( 'New user registration on your site %s:' ), $blogname ) . "\r\n\r\n";
|
|
/* translators: %s: User login. */
|
|
$message .= sprintf( __( 'Username: %s' ), $user->user_login ) . "\r\n\r\n";
|
|
/* translators: %s: User email address. */
|
|
$message .= sprintf( __( 'Email: %s' ), $user->user_email ) . "\r\n";
|
|
|
|
$wp_new_user_notification_email_admin = array(
|
|
'to' => get_option( 'admin_email' ),
|
|
/* translators: New user registration notification email subject. %s: Site title. */
|
|
'subject' => __( '[%s] New User Registration' ),
|
|
'message' => $message,
|
|
'headers' => '',
|
|
);
|
|
|
|
/**
|
|
* Filters the contents of the new user notification email sent to the site admin.
|
|
*
|
|
* @since 4.9.0
|
|
*
|
|
* @param array $wp_new_user_notification_email_admin {
|
|
* Used to build wp_mail().
|
|
*
|
|
* @type string $to The intended recipient - site admin 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 WP_User $user User object for new user.
|
|
* @param string $blogname The site title.
|
|
*/
|
|
$wp_new_user_notification_email_admin = apply_filters( 'wp_new_user_notification_email_admin', $wp_new_user_notification_email_admin, $user, $blogname );
|
|
|
|
wp_mail(
|
|
$wp_new_user_notification_email_admin['to'],
|
|
wp_specialchars_decode( sprintf( $wp_new_user_notification_email_admin['subject'], $blogname ) ),
|
|
$wp_new_user_notification_email_admin['message'],
|
|
$wp_new_user_notification_email_admin['headers']
|
|
);
|
|
|
|
if ( $switched_locale ) {
|
|
restore_previous_locale();
|
|
}
|
|
}
|
|
|
|
// `$deprecated` was pre-4.3 `$plaintext_pass`. An empty `$plaintext_pass` didn't sent a user notification.
|
|
if ( 'admin' === $notify || ( empty( $deprecated ) && empty( $notify ) ) ) {
|
|
return;
|
|
}
|
|
|
|
$key = get_password_reset_key( $user );
|
|
if ( is_wp_error( $key ) ) {
|
|
return;
|
|
}
|
|
|
|
$switched_locale = switch_to_locale( get_user_locale( $user ) );
|
|
|
|
/* translators: %s: User login. */
|
|
$message = sprintf( __( 'Username: %s' ), $user->user_login ) . "\r\n\r\n";
|
|
$message .= __( 'To set your password, visit the following address:' ) . "\r\n\r\n";
|
|
$message .= network_site_url( "wp-login.php?action=rp&key=$key&login=" . rawurlencode( $user->user_login ), 'login' ) . "\r\n\r\n";
|
|
|
|
$message .= wp_login_url() . "\r\n";
|
|
|
|
$wp_new_user_notification_email = array(
|
|
'to' => $user->user_email,
|
|
/* translators: Login details notification email subject. %s: Site title. */
|
|
'subject' => __( '[%s] Login Details' ),
|
|
'message' => $message,
|
|
'headers' => '',
|
|
);
|
|
|
|
/**
|
|
* Filters the contents of the new user notification email sent to the new user.
|
|
*
|
|
* @since 4.9.0
|
|
*
|
|
* @param array $wp_new_user_notification_email {
|
|
* Used to build wp_mail().
|
|
*
|
|
* @type string $to The intended recipient - New 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 WP_User $user User object for new user.
|
|
* @param string $blogname The site title.
|
|
*/
|
|
$wp_new_user_notification_email = apply_filters( 'wp_new_user_notification_email', $wp_new_user_notification_email, $user, $blogname );
|
|
|
|
wp_mail(
|
|
$wp_new_user_notification_email['to'],
|
|
wp_specialchars_decode( sprintf( $wp_new_user_notification_email['subject'], $blogname ) ),
|
|
$wp_new_user_notification_email['message'],
|
|
$wp_new_user_notification_email['headers']
|
|
);
|
|
|
|
if ( $switched_locale ) {
|
|
restore_previous_locale();
|
|
}
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'wp_nonce_tick' ) ) :
|
|
/**
|
|
* Returns the time-dependent variable for nonce creation.
|
|
*
|
|
* A nonce has a lifespan of two ticks. Nonces in their second tick may be
|
|
* updated, e.g. by autosave.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @return float Float value rounded up to the next highest integer.
|
|
*/
|
|
function wp_nonce_tick() {
|
|
/**
|
|
* Filters the lifespan of nonces in seconds.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param int $lifespan Lifespan of nonces in seconds. Default 86,400 seconds, or one day.
|
|
*/
|
|
$nonce_life = apply_filters( 'nonce_life', DAY_IN_SECONDS );
|
|
|
|
return ceil( time() / ( $nonce_life / 2 ) );
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'wp_verify_nonce' ) ) :
|
|
/**
|
|
* Verifies that a correct security nonce was used with time limit.
|
|
*
|
|
* A nonce is valid for 24 hours (by default).
|
|
*
|
|
* @since 2.0.3
|
|
*
|
|
* @param string $nonce Nonce value that was used for verification, usually via a form field.
|
|
* @param string|int $action Should give context to what is taking place and be the same when nonce was created.
|
|
* @return int|false 1 if the nonce is valid and generated between 0-12 hours ago,
|
|
* 2 if the nonce is valid and generated between 12-24 hours ago.
|
|
* False if the nonce is invalid.
|
|
*/
|
|
function wp_verify_nonce( $nonce, $action = -1 ) {
|
|
$nonce = (string) $nonce;
|
|
$user = wp_get_current_user();
|
|
$uid = (int) $user->ID;
|
|
if ( ! $uid ) {
|
|
/**
|
|
* Filters whether the user who generated the nonce is logged out.
|
|
*
|
|
* @since 3.5.0
|
|
*
|
|
* @param int $uid ID of the nonce-owning user.
|
|
* @param string $action The nonce action.
|
|
*/
|
|
$uid = apply_filters( 'nonce_user_logged_out', $uid, $action );
|
|
}
|
|
|
|
if ( empty( $nonce ) ) {
|
|
return false;
|
|
}
|
|
|
|
$token = wp_get_session_token();
|
|
$i = wp_nonce_tick();
|
|
|
|
// Nonce generated 0-12 hours ago.
|
|
$expected = substr( wp_hash( $i . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 );
|
|
if ( hash_equals( $expected, $nonce ) ) {
|
|
return 1;
|
|
}
|
|
|
|
// Nonce generated 12-24 hours ago.
|
|
$expected = substr( wp_hash( ( $i - 1 ) . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 );
|
|
if ( hash_equals( $expected, $nonce ) ) {
|
|
return 2;
|
|
}
|
|
|
|
/**
|
|
* Fires when nonce verification fails.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @param string $nonce The invalid nonce.
|
|
* @param string|int $action The nonce action.
|
|
* @param WP_User $user The current user object.
|
|
* @param string $token The user's session token.
|
|
*/
|
|
do_action( 'wp_verify_nonce_failed', $nonce, $action, $user, $token );
|
|
|
|
// Invalid nonce.
|
|
return false;
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'wp_create_nonce' ) ) :
|
|
/**
|
|
* Creates a cryptographic token tied to a specific action, user, user session,
|
|
* and window of time.
|
|
*
|
|
* @since 2.0.3
|
|
* @since 4.0.0 Session tokens were integrated with nonce creation
|
|
*
|
|
* @param string|int $action Scalar value to add context to the nonce.
|
|
* @return string The token.
|
|
*/
|
|
function wp_create_nonce( $action = -1 ) {
|
|
$user = wp_get_current_user();
|
|
$uid = (int) $user->ID;
|
|
if ( ! $uid ) {
|
|
/** This filter is documented in wp-includes/pluggable.php */
|
|
$uid = apply_filters( 'nonce_user_logged_out', $uid, $action );
|
|
}
|
|
|
|
$token = wp_get_session_token();
|
|
$i = wp_nonce_tick();
|
|
|
|
return substr( wp_hash( $i . '|' . $action . '|' . $uid . '|' . $token, 'nonce' ), -12, 10 );
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'wp_salt' ) ) :
|
|
/**
|
|
* Returns a salt to add to hashes.
|
|
*
|
|
* Salts are created using secret keys. Secret keys are located in two places:
|
|
* in the database and in the wp-config.php file. The secret key in the database
|
|
* is randomly generated and will be appended to the secret keys in wp-config.php.
|
|
*
|
|
* The secret keys in wp-config.php should be updated to strong, random keys to maximize
|
|
* security. Below is an example of how the secret key constants are defined.
|
|
* Do not paste this example directly into wp-config.php. Instead, have a
|
|
* {@link https://api.wordpress.org/secret-key/1.1/salt/ secret key created} just
|
|
* for you.
|
|
*
|
|
* define('AUTH_KEY', ' Xakm<o xQy rw4EMsLKM-?!T+,PFF})H4lzcW57AF0U@N@< >M%G4Yt>f`z]MON');
|
|
* define('SECURE_AUTH_KEY', 'LzJ}op]mr|6+![P}Ak:uNdJCJZd>(Hx.-Mh#Tz)pCIU#uGEnfFz|f ;;eU%/U^O~');
|
|
* define('LOGGED_IN_KEY', '|i|Ux`9<p-h$aFf(qnT:sDO:D1P^wZ$$/Ra@miTJi9G;ddp_<q}6H1)o|a +&JCM');
|
|
* define('NONCE_KEY', '%:R{[P|,s.KuMltH5}cI;/k<Gx~j!f0I)m_sIyu+&NJZ)-iO>z7X>QYR0Z_XnZ@|');
|
|
* define('AUTH_SALT', 'eZyT)-Naw]F8CwA*VaW#q*|.)g@o}||wf~@C-YSt}(dh_r6EbI#A,y|nU2{B#JBW');
|
|
* define('SECURE_AUTH_SALT', '!=oLUTXh,QW=H `}`L|9/^4-3 STz},T(w}W<I`.JjPi)<Bmf1v,HpGe}T1:Xt7n');
|
|
* define('LOGGED_IN_SALT', '+XSqHc;@Q*K_b|Z?NC[3H!!EONbh.n<+=uKR:>*c(u`g~EJBf#8u#R{mUEZrozmm');
|
|
* define('NONCE_SALT', 'h`GXHhD>SLWVfg1(1(N{;.V!MoE(SfbA_ksP@&`+AycHcAV$+?@3q+rxV{%^VyKT');
|
|
*
|
|
* Salting passwords helps against tools which has stored hashed values of
|
|
* common dictionary strings. The added values makes it harder to crack.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @link https://api.wordpress.org/secret-key/1.1/salt/ Create secrets for wp-config.php
|
|
*
|
|
* @param string $scheme Authentication scheme (auth, secure_auth, logged_in, nonce)
|
|
* @return string Salt value
|
|
*/
|
|
function wp_salt( $scheme = 'auth' ) {
|
|
static $cached_salts = array();
|
|
if ( isset( $cached_salts[ $scheme ] ) ) {
|
|
/**
|
|
* Filters the WordPress salt.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param string $cached_salt Cached salt for the given scheme.
|
|
* @param string $scheme Authentication scheme. Values include 'auth',
|
|
* 'secure_auth', 'logged_in', and 'nonce'.
|
|
*/
|
|
return apply_filters( 'salt', $cached_salts[ $scheme ], $scheme );
|
|
}
|
|
|
|
static $duplicated_keys;
|
|
if ( null === $duplicated_keys ) {
|
|
$duplicated_keys = array( 'put your unique phrase here' => true );
|
|
foreach ( array( 'AUTH', 'SECURE_AUTH', 'LOGGED_IN', 'NONCE', 'SECRET' ) as $first ) {
|
|
foreach ( array( 'KEY', 'SALT' ) as $second ) {
|
|
if ( ! defined( "{$first}_{$second}" ) ) {
|
|
continue;
|
|
}
|
|
$value = constant( "{$first}_{$second}" );
|
|
$duplicated_keys[ $value ] = isset( $duplicated_keys[ $value ] );
|
|
}
|
|
}
|
|
}
|
|
|
|
$values = array(
|
|
'key' => '',
|
|
'salt' => '',
|
|
);
|
|
if ( defined( 'SECRET_KEY' ) && SECRET_KEY && empty( $duplicated_keys[ SECRET_KEY ] ) ) {
|
|
$values['key'] = SECRET_KEY;
|
|
}
|
|
if ( 'auth' === $scheme && defined( 'SECRET_SALT' ) && SECRET_SALT && empty( $duplicated_keys[ SECRET_SALT ] ) ) {
|
|
$values['salt'] = SECRET_SALT;
|
|
}
|
|
|
|
if ( in_array( $scheme, array( 'auth', 'secure_auth', 'logged_in', 'nonce' ), true ) ) {
|
|
foreach ( array( 'key', 'salt' ) as $type ) {
|
|
$const = strtoupper( "{$scheme}_{$type}" );
|
|
if ( defined( $const ) && constant( $const ) && empty( $duplicated_keys[ constant( $const ) ] ) ) {
|
|
$values[ $type ] = constant( $const );
|
|
} elseif ( ! $values[ $type ] ) {
|
|
$values[ $type ] = get_site_option( "{$scheme}_{$type}" );
|
|
if ( ! $values[ $type ] ) {
|
|
$values[ $type ] = wp_generate_password( 64, true, true );
|
|
update_site_option( "{$scheme}_{$type}", $values[ $type ] );
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
if ( ! $values['key'] ) {
|
|
$values['key'] = get_site_option( 'secret_key' );
|
|
if ( ! $values['key'] ) {
|
|
$values['key'] = wp_generate_password( 64, true, true );
|
|
update_site_option( 'secret_key', $values['key'] );
|
|
}
|
|
}
|
|
$values['salt'] = hash_hmac( 'md5', $scheme, $values['key'] );
|
|
}
|
|
|
|
$cached_salts[ $scheme ] = $values['key'] . $values['salt'];
|
|
|
|
/** This filter is documented in wp-includes/pluggable.php */
|
|
return apply_filters( 'salt', $cached_salts[ $scheme ], $scheme );
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'wp_hash' ) ) :
|
|
/**
|
|
* Get hash of given string.
|
|
*
|
|
* @since 2.0.3
|
|
*
|
|
* @param string $data Plain text to hash
|
|
* @param string $scheme Authentication scheme (auth, secure_auth, logged_in, nonce)
|
|
* @return string Hash of $data
|
|
*/
|
|
function wp_hash( $data, $scheme = 'auth' ) {
|
|
$salt = wp_salt( $scheme );
|
|
|
|
return hash_hmac( 'md5', $data, $salt );
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'wp_hash_password' ) ) :
|
|
/**
|
|
* Create a hash (encrypt) of a plain text password.
|
|
*
|
|
* For integration with other applications, this function can be overwritten to
|
|
* instead use the other package password checking algorithm.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @global PasswordHash $wp_hasher PHPass object
|
|
*
|
|
* @param string $password Plain text user password to hash
|
|
* @return string The hash string of the password
|
|
*/
|
|
function wp_hash_password( $password ) {
|
|
global $wp_hasher;
|
|
|
|
if ( empty( $wp_hasher ) ) {
|
|
require_once ABSPATH . WPINC . '/class-phpass.php';
|
|
// By default, use the portable hash from phpass.
|
|
$wp_hasher = new PasswordHash( 8, true );
|
|
}
|
|
|
|
return $wp_hasher->HashPassword( trim( $password ) );
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'wp_check_password' ) ) :
|
|
/**
|
|
* Checks the plaintext password against the encrypted Password.
|
|
*
|
|
* Maintains compatibility between old version and the new cookie authentication
|
|
* protocol using PHPass library. The $hash parameter is the encrypted password
|
|
* and the function compares the plain text password when encrypted similarly
|
|
* against the already encrypted password to see if they match.
|
|
*
|
|
* For integration with other applications, this function can be overwritten to
|
|
* instead use the other package password checking algorithm.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @global PasswordHash $wp_hasher PHPass object used for checking the password
|
|
* against the $hash + $password
|
|
* @uses PasswordHash::CheckPassword
|
|
*
|
|
* @param string $password Plaintext user's password
|
|
* @param string $hash Hash of the user's password to check against.
|
|
* @param string|int $user_id Optional. User ID.
|
|
* @return bool False, if the $password does not match the hashed password
|
|
*/
|
|
function wp_check_password( $password, $hash, $user_id = '' ) {
|
|
global $wp_hasher;
|
|
|
|
// If the hash is still md5...
|
|
if ( strlen( $hash ) <= 32 ) {
|
|
$check = hash_equals( $hash, md5( $password ) );
|
|
if ( $check && $user_id ) {
|
|
// Rehash using new hash.
|
|
wp_set_password( $password, $user_id );
|
|
$hash = wp_hash_password( $password );
|
|
}
|
|
|
|
/**
|
|
* Filters whether the plaintext password matches the encrypted password.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param bool $check Whether the passwords match.
|
|
* @param string $password The plaintext password.
|
|
* @param string $hash The hashed password.
|
|
* @param string|int $user_id User ID. Can be empty.
|
|
*/
|
|
return apply_filters( 'check_password', $check, $password, $hash, $user_id );
|
|
}
|
|
|
|
// If the stored hash is longer than an MD5,
|
|
// presume the new style phpass portable hash.
|
|
if ( empty( $wp_hasher ) ) {
|
|
require_once ABSPATH . WPINC . '/class-phpass.php';
|
|
// By default, use the portable hash from phpass.
|
|
$wp_hasher = new PasswordHash( 8, true );
|
|
}
|
|
|
|
$check = $wp_hasher->CheckPassword( $password, $hash );
|
|
|
|
/** This filter is documented in wp-includes/pluggable.php */
|
|
return apply_filters( 'check_password', $check, $password, $hash, $user_id );
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'wp_generate_password' ) ) :
|
|
/**
|
|
* Generates a random password drawn from the defined set of characters.
|
|
*
|
|
* Uses wp_rand() is used to create passwords with far less predictability
|
|
* than similar native PHP functions like `rand()` or `mt_rand()`.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @param int $length Optional. The length of password to generate. Default 12.
|
|
* @param bool $special_chars Optional. Whether to include standard special characters.
|
|
* Default true.
|
|
* @param bool $extra_special_chars Optional. Whether to include other special characters.
|
|
* Used when generating secret keys and salts. Default false.
|
|
* @return string The random password.
|
|
*/
|
|
function wp_generate_password( $length = 12, $special_chars = true, $extra_special_chars = false ) {
|
|
$chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
|
|
if ( $special_chars ) {
|
|
$chars .= '!@#$%^&*()';
|
|
}
|
|
if ( $extra_special_chars ) {
|
|
$chars .= '-_ []{}<>~`+=,.;:/?|';
|
|
}
|
|
|
|
$password = '';
|
|
for ( $i = 0; $i < $length; $i++ ) {
|
|
$password .= substr( $chars, wp_rand( 0, strlen( $chars ) - 1 ), 1 );
|
|
}
|
|
|
|
/**
|
|
* Filters the randomly-generated password.
|
|
*
|
|
* @since 3.0.0
|
|
* @since 5.3.0 Added the `$length`, `$special_chars`, and `$extra_special_chars` parameters.
|
|
*
|
|
* @param string $password The generated password.
|
|
* @param int $length The length of password to generate.
|
|
* @param bool $special_chars Whether to include standard special characters.
|
|
* @param bool $extra_special_chars Whether to include other special characters.
|
|
*/
|
|
return apply_filters( 'random_password', $password, $length, $special_chars, $extra_special_chars );
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'wp_rand' ) ) :
|
|
/**
|
|
* Generates a random number.
|
|
*
|
|
* @since 2.6.2
|
|
* @since 4.4.0 Uses PHP7 random_int() or the random_compat library if available.
|
|
*
|
|
* @global string $rnd_value
|
|
*
|
|
* @param int $min Lower limit for the generated number
|
|
* @param int $max Upper limit for the generated number
|
|
* @return int A random number between min and max
|
|
*/
|
|
function wp_rand( $min = 0, $max = 0 ) {
|
|
global $rnd_value;
|
|
|
|
// Some misconfigured 32-bit environments (Entropy PHP, for example)
|
|
// truncate integers larger than PHP_INT_MAX to PHP_INT_MAX rather than overflowing them to floats.
|
|
$max_random_number = 3000000000 === 2147483647 ? (float) '4294967295' : 4294967295; // 4294967295 = 0xffffffff
|
|
|
|
// We only handle ints, floats are truncated to their integer value.
|
|
$min = (int) $min;
|
|
$max = (int) $max;
|
|
|
|
// Use PHP's CSPRNG, or a compatible method.
|
|
static $use_random_int_functionality = true;
|
|
if ( $use_random_int_functionality ) {
|
|
try {
|
|
$_max = ( 0 != $max ) ? $max : $max_random_number;
|
|
// wp_rand() can accept arguments in either order, PHP cannot.
|
|
$_max = max( $min, $_max );
|
|
$_min = min( $min, $_max );
|
|
$val = random_int( $_min, $_max );
|
|
if ( false !== $val ) {
|
|
return absint( $val );
|
|
} else {
|
|
$use_random_int_functionality = false;
|
|
}
|
|
} catch ( Error $e ) {
|
|
$use_random_int_functionality = false;
|
|
} catch ( Exception $e ) {
|
|
$use_random_int_functionality = false;
|
|
}
|
|
}
|
|
|
|
// Reset $rnd_value after 14 uses.
|
|
// 32 (md5) + 40 (sha1) + 40 (sha1) / 8 = 14 random numbers from $rnd_value.
|
|
if ( strlen( $rnd_value ) < 8 ) {
|
|
if ( defined( 'WP_SETUP_CONFIG' ) ) {
|
|
static $seed = '';
|
|
} else {
|
|
$seed = get_transient( 'random_seed' );
|
|
}
|
|
$rnd_value = md5( uniqid( microtime() . mt_rand(), true ) . $seed );
|
|
$rnd_value .= sha1( $rnd_value );
|
|
$rnd_value .= sha1( $rnd_value . $seed );
|
|
$seed = md5( $seed . $rnd_value );
|
|
if ( ! defined( 'WP_SETUP_CONFIG' ) && ! defined( 'WP_INSTALLING' ) ) {
|
|
set_transient( 'random_seed', $seed );
|
|
}
|
|
}
|
|
|
|
// Take the first 8 digits for our value.
|
|
$value = substr( $rnd_value, 0, 8 );
|
|
|
|
// Strip the first eight, leaving the remainder for the next call to wp_rand().
|
|
$rnd_value = substr( $rnd_value, 8 );
|
|
|
|
$value = abs( hexdec( $value ) );
|
|
|
|
// Reduce the value to be within the min - max range.
|
|
if ( 0 != $max ) {
|
|
$value = $min + ( $max - $min + 1 ) * $value / ( $max_random_number + 1 );
|
|
}
|
|
|
|
return abs( (int) $value );
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'wp_set_password' ) ) :
|
|
/**
|
|
* Updates the user's password with a new encrypted one.
|
|
*
|
|
* For integration with other applications, this function can be overwritten to
|
|
* instead use the other package password checking algorithm.
|
|
*
|
|
* Please note: This function should be used sparingly and is really only meant for single-time
|
|
* application. Leveraging this improperly in a plugin or theme could result in an endless loop
|
|
* of password resets if precautions are not taken to ensure it does not execute on every page load.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*
|
|
* @param string $password The plaintext new user password
|
|
* @param int $user_id User ID
|
|
*/
|
|
function wp_set_password( $password, $user_id ) {
|
|
global $wpdb;
|
|
|
|
$hash = wp_hash_password( $password );
|
|
$wpdb->update(
|
|
$wpdb->users,
|
|
array(
|
|
'user_pass' => $hash,
|
|
'user_activation_key' => '',
|
|
),
|
|
array( 'ID' => $user_id )
|
|
);
|
|
|
|
clean_user_cache( $user_id );
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'get_avatar' ) ) :
|
|
/**
|
|
* Retrieve the avatar `<img>` tag for a user, email address, MD5 hash, comment, or post.
|
|
*
|
|
* @since 2.5.0
|
|
* @since 4.2.0 Optional `$args` parameter added.
|
|
*
|
|
* @param mixed $id_or_email The Gravatar to retrieve. Accepts a user_id, gravatar md5 hash,
|
|
* user email, WP_User object, WP_Post object, or WP_Comment object.
|
|
* @param int $size Optional. Height and width of the avatar image file in pixels. Default 96.
|
|
* @param string $default Optional. URL for the default image or a default type. Accepts '404'
|
|
* (return a 404 instead of a default image), 'retro' (8bit), 'monsterid'
|
|
* (monster), 'wavatar' (cartoon face), 'indenticon' (the "quilt"),
|
|
* 'mystery', 'mm', or 'mysteryman' (The Oyster Man), 'blank' (transparent GIF),
|
|
* or 'gravatar_default' (the Gravatar logo). Default is the value of the
|
|
* 'avatar_default' option, with a fallback of 'mystery'.
|
|
* @param string $alt Optional. Alternative text to use in img tag. Default empty.
|
|
* @param array $args {
|
|
* Optional. Extra arguments to retrieve the avatar.
|
|
*
|
|
* @type int $height Display height of the avatar in pixels. Defaults to $size.
|
|
* @type int $width Display width of the avatar in pixels. Defaults to $size.
|
|
* @type bool $force_default Whether to always show the default image, never the Gravatar. Default false.
|
|
* @type string $rating What rating to display avatars up to. Accepts 'G', 'PG', 'R', 'X', and are
|
|
* judged in that order. Default is the value of the 'avatar_rating' option.
|
|
* @type string $scheme URL scheme to use. See set_url_scheme() for accepted values.
|
|
* Default null.
|
|
* @type array|string $class Array or string of additional classes to add to the img element.
|
|
* Default null.
|
|
* @type bool $force_display Whether to always show the avatar - ignores the show_avatars option.
|
|
* Default false.
|
|
* @type string $loading Value for the `loading` attribute.
|
|
* Default null.
|
|
* @type string $extra_attr HTML attributes to insert in the IMG element. Is not sanitized. Default empty.
|
|
* }
|
|
* @return string|false `<img>` tag for the user's avatar. False on failure.
|
|
*/
|
|
function get_avatar( $id_or_email, $size = 96, $default = '', $alt = '', $args = null ) {
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$defaults = array(
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// get_avatar_data() args.
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'size' => 96,
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'height' => null,
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'width' => null,
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'default' => get_option( 'avatar_default', 'mystery' ),
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'force_default' => false,
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'rating' => get_option( 'avatar_rating' ),
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'scheme' => null,
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|
'alt' => '',
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|
'class' => null,
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'force_display' => false,
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'loading' => null,
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|
'extra_attr' => '',
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);
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|
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if ( wp_lazy_loading_enabled( 'img', 'get_avatar' ) ) {
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$defaults['loading'] = wp_get_loading_attr_default( 'get_avatar' );
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}
|
|
|
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if ( empty( $args ) ) {
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$args = array();
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}
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|
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$args['size'] = (int) $size;
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$args['default'] = $default;
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$args['alt'] = $alt;
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|
|
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$args = wp_parse_args( $args, $defaults );
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|
|
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if ( empty( $args['height'] ) ) {
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$args['height'] = $args['size'];
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}
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|
if ( empty( $args['width'] ) ) {
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|
$args['width'] = $args['size'];
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|
}
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|
|
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if ( is_object( $id_or_email ) && isset( $id_or_email->comment_ID ) ) {
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$id_or_email = get_comment( $id_or_email );
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}
|
|
|
|
/**
|
|
* Allows the HTML for a user's avatar to be returned early.
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|
*
|
|
* Returning a non-null value will effectively short-circuit get_avatar(), passing
|
|
* the value through the {@see 'get_avatar'} filter and returning early.
|
|
*
|
|
* @since 4.2.0
|
|
*
|
|
* @param string|null $avatar HTML for the user's avatar. Default null.
|
|
* @param mixed $id_or_email The avatar to retrieve. Accepts a user_id, Gravatar MD5 hash,
|
|
* user email, WP_User object, WP_Post object, or WP_Comment object.
|
|
* @param array $args Arguments passed to get_avatar_url(), after processing.
|
|
*/
|
|
$avatar = apply_filters( 'pre_get_avatar', null, $id_or_email, $args );
|
|
|
|
if ( ! is_null( $avatar ) ) {
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|
/** This filter is documented in wp-includes/pluggable.php */
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|
return apply_filters( 'get_avatar', $avatar, $id_or_email, $args['size'], $args['default'], $args['alt'], $args );
|
|
}
|
|
|
|
if ( ! $args['force_display'] && ! get_option( 'show_avatars' ) ) {
|
|
return false;
|
|
}
|
|
|
|
$url2x = get_avatar_url( $id_or_email, array_merge( $args, array( 'size' => $args['size'] * 2 ) ) );
|
|
|
|
$args = get_avatar_data( $id_or_email, $args );
|
|
|
|
$url = $args['url'];
|
|
|
|
if ( ! $url || is_wp_error( $url ) ) {
|
|
return false;
|
|
}
|
|
|
|
$class = array( 'avatar', 'avatar-' . (int) $args['size'], 'photo' );
|
|
|
|
if ( ! $args['found_avatar'] || $args['force_default'] ) {
|
|
$class[] = 'avatar-default';
|
|
}
|
|
|
|
if ( $args['class'] ) {
|
|
if ( is_array( $args['class'] ) ) {
|
|
$class = array_merge( $class, $args['class'] );
|
|
} else {
|
|
$class[] = $args['class'];
|
|
}
|
|
}
|
|
|
|
// Add `loading` attribute.
|
|
$extra_attr = $args['extra_attr'];
|
|
$loading = $args['loading'];
|
|
|
|
if ( in_array( $loading, array( 'lazy', 'eager' ), true ) && ! preg_match( '/\bloading\s*=/', $extra_attr ) ) {
|
|
if ( ! empty( $extra_attr ) ) {
|
|
$extra_attr .= ' ';
|
|
}
|
|
|
|
$extra_attr .= "loading='{$loading}'";
|
|
}
|
|
|
|
$avatar = sprintf(
|
|
"<img alt='%s' src='%s' srcset='%s' class='%s' height='%d' width='%d' %s/>",
|
|
esc_attr( $args['alt'] ),
|
|
esc_url( $url ),
|
|
esc_url( $url2x ) . ' 2x',
|
|
esc_attr( implode( ' ', $class ) ),
|
|
(int) $args['height'],
|
|
(int) $args['width'],
|
|
$extra_attr
|
|
);
|
|
|
|
/**
|
|
* Filters the HTML for a user's avatar.
|
|
*
|
|
* @since 2.5.0
|
|
* @since 4.2.0 The `$args` parameter was added.
|
|
*
|
|
* @param string $avatar HTML for the user's avatar.
|
|
* @param mixed $id_or_email The avatar to retrieve. Accepts a user_id, Gravatar MD5 hash,
|
|
* user email, WP_User object, WP_Post object, or WP_Comment object.
|
|
* @param int $size Square avatar width and height in pixels to retrieve.
|
|
* @param string $default URL for the default image or a default type. Accepts '404', 'retro', 'monsterid',
|
|
* 'wavatar', 'indenticon', 'mystery', 'mm', 'mysteryman', 'blank', or 'gravatar_default'.
|
|
* @param string $alt Alternative text to use in the avatar image tag.
|
|
* @param array $args Arguments passed to get_avatar_data(), after processing.
|
|
*/
|
|
return apply_filters( 'get_avatar', $avatar, $id_or_email, $args['size'], $args['default'], $args['alt'], $args );
|
|
}
|
|
endif;
|
|
|
|
if ( ! function_exists( 'wp_text_diff' ) ) :
|
|
/**
|
|
* Displays a human readable HTML representation of the difference between two strings.
|
|
*
|
|
* The Diff is available for getting the changes between versions. The output is
|
|
* HTML, so the primary use is for displaying the changes. If the two strings
|
|
* are equivalent, then an empty string will be returned.
|
|
*
|
|
* @since 2.6.0
|
|
*
|
|
* @see wp_parse_args() Used to change defaults to user defined settings.
|
|
* @uses Text_Diff
|
|
* @uses WP_Text_Diff_Renderer_Table
|
|
*
|
|
* @param string $left_string "old" (left) version of string
|
|
* @param string $right_string "new" (right) version of string
|
|
* @param string|array $args {
|
|
* Associative array of options to pass to WP_Text_Diff_Renderer_Table().
|
|
*
|
|
* @type string $title Titles the diff in a manner compatible
|
|
* with the output. Default empty.
|
|
* @type string $title_left Change the HTML to the left of the title.
|
|
* Default empty.
|
|
* @type string $title_right Change the HTML to the right of the title.
|
|
* Default empty.
|
|
* @type bool $show_split_view True for split view (two columns), false for
|
|
* un-split view (single column). Default true.
|
|
* }
|
|
* @return string Empty string if strings are equivalent or HTML with differences.
|
|
*/
|
|
function wp_text_diff( $left_string, $right_string, $args = null ) {
|
|
$defaults = array(
|
|
'title' => '',
|
|
'title_left' => '',
|
|
'title_right' => '',
|
|
'show_split_view' => true,
|
|
);
|
|
$args = wp_parse_args( $args, $defaults );
|
|
|
|
if ( ! class_exists( 'WP_Text_Diff_Renderer_Table', false ) ) {
|
|
require ABSPATH . WPINC . '/wp-diff.php';
|
|
}
|
|
|
|
$left_string = normalize_whitespace( $left_string );
|
|
$right_string = normalize_whitespace( $right_string );
|
|
|
|
$left_lines = explode( "\n", $left_string );
|
|
$right_lines = explode( "\n", $right_string );
|
|
$text_diff = new Text_Diff( $left_lines, $right_lines );
|
|
$renderer = new WP_Text_Diff_Renderer_Table( $args );
|
|
$diff = $renderer->render( $text_diff );
|
|
|
|
if ( ! $diff ) {
|
|
return '';
|
|
}
|
|
|
|
$is_split_view = ! empty( $args['show_split_view'] );
|
|
$is_split_view_class = $is_split_view ? ' is-split-view' : '';
|
|
|
|
$r = "<table class='diff$is_split_view_class'>\n";
|
|
|
|
if ( $args['title'] ) {
|
|
$r .= "<caption class='diff-title'>$args[title]</caption>\n";
|
|
}
|
|
|
|
if ( $args['title_left'] || $args['title_right'] ) {
|
|
$r .= '<thead>';
|
|
}
|
|
|
|
if ( $args['title_left'] || $args['title_right'] ) {
|
|
$th_or_td_left = empty( $args['title_left'] ) ? 'td' : 'th';
|
|
$th_or_td_right = empty( $args['title_right'] ) ? 'td' : 'th';
|
|
|
|
$r .= "<tr class='diff-sub-title'>\n";
|
|
$r .= "\t<$th_or_td_left>$args[title_left]</$th_or_td_left>\n";
|
|
if ( $is_split_view ) {
|
|
$r .= "\t<$th_or_td_right>$args[title_right]</$th_or_td_right>\n";
|
|
}
|
|
$r .= "</tr>\n";
|
|
}
|
|
|
|
if ( $args['title_left'] || $args['title_right'] ) {
|
|
$r .= "</thead>\n";
|
|
}
|
|
|
|
$r .= "<tbody>\n$diff\n</tbody>\n";
|
|
$r .= '</table>';
|
|
|
|
return $r;
|
|
}
|
|
endif;
|