link_service = $link_service; } /** * Sends the recovery mode email if the rate limit has not been sent. * * @since 5.2.0 * * @param int $rate_limit Number of seconds before another email can be sent. * @param array $error Error details from `error_get_last()`. * @param array $extension { * The extension that caused the error. * * @type string $slug The extension slug. The plugin or theme's directory. * @type string $type The extension type. Either 'plugin' or 'theme'. * } * @return true|WP_Error True if email sent, WP_Error otherwise. */ public function maybe_send_recovery_mode_email( $rate_limit, $error, $extension ) { $last_sent = get_option( self::RATE_LIMIT_OPTION ); if ( ! $last_sent || time() > $last_sent + $rate_limit ) { if ( ! update_option( self::RATE_LIMIT_OPTION, time() ) ) { return new WP_Error( 'storage_error', __( 'Could not update the email last sent time.' ) ); } $sent = $this->send_recovery_mode_email( $rate_limit, $error, $extension ); if ( $sent ) { return true; } return new WP_Error( 'email_failed', sprintf( /* translators: %s: mail() */ __( 'The email could not be sent. Possible reason: your host may have disabled the %s function.' ), 'mail()' ) ); } $err_message = sprintf( /* translators: 1: Last sent as a human time diff, 2: Wait time as a human time diff. */ __( 'A recovery link was already sent %1$s ago. Please wait another %2$s before requesting a new email.' ), human_time_diff( $last_sent ), human_time_diff( $last_sent + $rate_limit ) ); return new WP_Error( 'email_sent_already', $err_message ); } /** * Clears the rate limit, allowing a new recovery mode email to be sent immediately. * * @since 5.2.0 * * @return bool True on success, false on failure. */ public function clear_rate_limit() { return delete_option( self::RATE_LIMIT_OPTION ); } /** * Sends the Recovery Mode email to the site admin email address. * * @since 5.2.0 * * @param int $rate_limit Number of seconds before another email can be sent. * @param array $error Error details from `error_get_last()`. * @param array $extension { * The extension that caused the error. * * @type string $slug The extension slug. The directory of the plugin or theme. * @type string $type The extension type. Either 'plugin' or 'theme'. * } * @return bool Whether the email was sent successfully. */ private function send_recovery_mode_email( $rate_limit, $error, $extension ) { $url = $this->link_service->generate_url(); $blogname = wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ); $switched_locale = switch_to_locale( get_locale() ); if ( $extension ) { $cause = $this->get_cause( $extension ); $details = wp_strip_all_tags( wp_get_extension_error_description( $error ) ); if ( $details ) { $header = __( 'Error Details' ); $details = "\n\n" . $header . "\n" . str_pad( '', strlen( $header ), '=' ) . "\n" . $details; } } else { $cause = ''; $details = ''; } /** * Filters the support message sent with the the fatal error protection email. * * @since 5.2.0 * * @param string $message The Message to include in the email. */ $support = apply_filters( 'recovery_email_support_info', __( 'Please contact your host for assistance with investigating this issue further.' ) ); /** * Filters the debug information included in the fatal error protection email. * * @since 5.3.0 * * @param array $message An associative array of debug information. */ $debug = apply_filters( 'recovery_email_debug_info', $this->get_debug( $extension ) ); /* translators: Do not translate LINK, EXPIRES, CAUSE, DETAILS, SITEURL, PAGEURL, SUPPORT. DEBUG: those are placeholders. */ $message = __( 'Howdy! WordPress has a built-in feature that detects when a plugin or theme causes a fatal error on your site, and notifies you with this automated email. ###CAUSE### First, visit your website (###SITEURL###) and check for any visible issues. Next, visit the page where the error was caught (###PAGEURL###) and check for any visible issues. ###SUPPORT### If your site appears broken and you can\'t access your dashboard normally, WordPress now has a special "recovery mode". This lets you safely login to your dashboard and investigate further. ###LINK### To keep your site safe, this link will expire in ###EXPIRES###. Don\'t worry about that, though: a new link will be emailed to you if the error occurs again after it expires. When seeking help with this issue, you may be asked for some of the following information: ###DEBUG### ###DETAILS###' ); $message = str_replace( array( '###LINK###', '###EXPIRES###', '###CAUSE###', '###DETAILS###', '###SITEURL###', '###PAGEURL###', '###SUPPORT###', '###DEBUG###', ), array( $url, human_time_diff( time() + $rate_limit ), $cause ? "\n{$cause}\n" : "\n", $details, home_url( '/' ), home_url( $_SERVER['REQUEST_URI'] ), $support, implode( "\r\n", $debug ), ), $message ); $email = array( 'to' => $this->get_recovery_mode_email_address(), /* translators: %s: Site title. */ 'subject' => __( '[%s] Your Site is Experiencing a Technical Issue' ), 'message' => $message, 'headers' => '', 'attachments' => '', ); /** * Filters the contents of the Recovery Mode email. * * @since 5.2.0 * @since 5.6.0 The `$email` argument includes the `attachments` key. * * @param array $email { * Used to build a call to wp_mail(). * * @type string|array $to Array or comma-separated list of email addresses to send message. * @type string $subject Email subject * @type string $message Message contents * @type string|array $headers Optional. Additional headers. * @type string|array $attachments Optional. Files to attach. * } * @param string $url URL to enter recovery mode. */ $email = apply_filters( 'recovery_mode_email', $email, $url ); $sent = wp_mail( $email['to'], wp_specialchars_decode( sprintf( $email['subject'], $blogname ) ), $email['message'], $email['headers'], $email['attachments'] ); if ( $switched_locale ) { restore_previous_locale(); } return $sent; } /** * Gets the email address to send the recovery mode link to. * * @since 5.2.0 * * @return string Email address to send recovery mode link to. */ private function get_recovery_mode_email_address() { if ( defined( 'RECOVERY_MODE_EMAIL' ) && is_email( RECOVERY_MODE_EMAIL ) ) { return RECOVERY_MODE_EMAIL; } return get_option( 'admin_email' ); } /** * Gets the description indicating the possible cause for the error. * * @since 5.2.0 * * @param array $extension { * The extension that caused the error. * * @type string $slug The extension slug. The directory of the plugin or theme. * @type string $type The extension type. Either 'plugin' or 'theme'. * } * @return string Message about which extension caused the error. */ private function get_cause( $extension ) { if ( 'plugin' === $extension['type'] ) { $plugin = $this->get_plugin( $extension ); if ( false === $plugin ) { $name = $extension['slug']; } else { $name = $plugin['Name']; } /* translators: %s: Plugin name. */ $cause = sprintf( __( 'In this case, WordPress caught an error with one of your plugins, %s.' ), $name ); } else { $theme = wp_get_theme( $extension['slug'] ); $name = $theme->exists() ? $theme->display( 'Name' ) : $extension['slug']; /* translators: %s: Theme name. */ $cause = sprintf( __( 'In this case, WordPress caught an error with your theme, %s.' ), $name ); } return $cause; } /** * Return the details for a single plugin based on the extension data from an error. * * @since 5.3.0 * * @param array $extension { * The extension that caused the error. * * @type string $slug The extension slug. The directory of the plugin or theme. * @type string $type The extension type. Either 'plugin' or 'theme'. * } * @return array|false A plugin array {@see get_plugins()} or `false` if no plugin was found. */ private function get_plugin( $extension ) { if ( ! function_exists( 'get_plugins' ) ) { require_once ABSPATH . 'wp-admin/includes/plugin.php'; } $plugins = get_plugins(); // Assume plugin main file name first since it is a common convention. if ( isset( $plugins[ "{$extension['slug']}/{$extension['slug']}.php" ] ) ) { return $plugins[ "{$extension['slug']}/{$extension['slug']}.php" ]; } else { foreach ( $plugins as $file => $plugin_data ) { if ( str_starts_with( $file, "{$extension['slug']}/" ) || $file === $extension['slug'] ) { return $plugin_data; } } } return false; } /** * Return debug information in an easy to manipulate format. * * @since 5.3.0 * * @param array $extension { * The extension that caused the error. * * @type string $slug The extension slug. The directory of the plugin or theme. * @type string $type The extension type. Either 'plugin' or 'theme'. * } * @return array An associative array of debug information. */ private function get_debug( $extension ) { $theme = wp_get_theme(); $wp_version = get_bloginfo( 'version' ); if ( $extension ) { $plugin = $this->get_plugin( $extension ); } else { $plugin = null; } $debug = array( 'wp' => sprintf( /* translators: %s: Current WordPress version number. */ __( 'WordPress version %s' ), $wp_version ), 'theme' => sprintf( /* translators: 1: Current active theme name. 2: Current active theme version. */ __( 'Active theme: %1$s (version %2$s)' ), $theme->get( 'Name' ), $theme->get( 'Version' ) ), ); if ( null !== $plugin ) { $debug['plugin'] = sprintf( /* translators: 1: The failing plugins name. 2: The failing plugins version. */ __( 'Current plugin: %1$s (version %2$s)' ), $plugin['Name'], $plugin['Version'] ); } $debug['php'] = sprintf( /* translators: %s: The currently used PHP version. */ __( 'PHP version %s' ), PHP_VERSION ); return $debug; } } _subject = $subject; $this->_matches = $matches; $this->output = $this->_map(); } /** * Substitute substring matches in subject. * * static helper function to ease use * * @param string $subject subject * @param array $matches data used for substitution * @return string */ public static function apply( $subject, $matches ) { $result = new WP_MatchesMapRegex( $subject, $matches ); return $result->output; } /** * do the actual mapping * * @return string */ private function _map() { $callback = array( $this, 'callback' ); return preg_replace_callback( $this->_pattern, $callback, $this->_subject ); } /** * preg_replace_callback hook * * @param array $matches preg_replace regexp matches * @return string */ public function callback( $matches ) { $index = (int) substr( $matches[0], 9, -1 ); return ( isset( $this->_matches[ $index ] ) ? urlencode( $this->_matches[ $index ] ) : '' ); } } ID ); * map_meta_cap( 'edit_post', $user->ID, $post->ID ); * map_meta_cap( 'edit_post_meta', $user->ID, $post->ID, $meta_key ); * * This function does not check whether the user has the required capabilities, * it just returns what the required capabilities are. * * @since 2.0.0 * @since 4.9.6 Added the `export_others_personal_data`, `erase_others_personal_data`, * and `manage_privacy_options` capabilities. * @since 5.1.0 Added the `update_php` capability. * @since 5.2.0 Added the `resume_plugin` and `resume_theme` capabilities. * @since 5.3.0 Formalized the existing and already documented `...$args` parameter * by adding it to the function signature. * @since 5.7.0 Added the `create_app_password`, `list_app_passwords`, `read_app_password`, * `edit_app_password`, `delete_app_passwords`, `delete_app_password`, * and `update_https` capabilities. * @since 6.7.0 Added the `edit_block_binding` capability. * * @global array $post_type_meta_caps Used to get post type meta capabilities. * * @param string $cap Capability being checked. * @param int $user_id User ID. * @param mixed ...$args Optional further parameters, typically starting with an object ID. * @return string[] Primitive capabilities required of the user. */ function map_meta_cap( $cap, $user_id, ...$args ) { $caps = array(); switch ( $cap ) { case 'remove_user': // In multisite the user must be a super admin to remove themselves. if ( isset( $args[0] ) && $user_id === (int) $args[0] && ! is_super_admin( $user_id ) ) { $caps[] = 'do_not_allow'; } else { $caps[] = 'remove_users'; } break; case 'promote_user': case 'add_users': $caps[] = 'promote_users'; break; case 'edit_user': case 'edit_users': // Non-existent users can't edit users, not even themselves. if ( $user_id < 1 ) { $caps[] = 'do_not_allow'; break; } // Allow user to edit themselves. if ( 'edit_user' === $cap && isset( $args[0] ) && $user_id === (int) $args[0] ) { break; } // In multisite the user must have manage_network_users caps. If editing a super admin, the user must be a super admin. if ( is_multisite() && ( ( ! is_super_admin( $user_id ) && 'edit_user' === $cap && is_super_admin( $args[0] ) ) || ! user_can( $user_id, 'manage_network_users' ) ) ) { $caps[] = 'do_not_allow'; } else { $caps[] = 'edit_users'; // edit_user maps to edit_users. } break; case 'delete_post': case 'delete_page': if ( ! isset( $args[0] ) ) { if ( 'delete_post' === $cap ) { /* translators: %s: Capability name. */ $message = __( 'When checking for the %s capability, you must always check it against a specific post.' ); } else { /* translators: %s: Capability name. */ $message = __( 'When checking for the %s capability, you must always check it against a specific page.' ); } _doing_it_wrong( __FUNCTION__, sprintf( $message, '' . $cap . '' ), '6.1.0' ); $caps[] = 'do_not_allow'; break; } $post = get_post( $args[0] ); if ( ! $post ) { $caps[] = 'do_not_allow'; break; } if ( 'revision' === $post->post_type ) { $caps[] = 'do_not_allow'; break; } if ( (int) get_option( 'page_for_posts' ) === $post->ID || (int) get_option( 'page_on_front' ) === $post->ID ) { $caps[] = 'manage_options'; break; } $post_type = get_post_type_object( $post->post_type ); if ( ! $post_type ) { /* translators: 1: Post type, 2: Capability name. */ $message = __( 'The post type %1$s is not registered, so it may not be reliable to check the capability %2$s against a post of that type.' ); _doing_it_wrong( __FUNCTION__, sprintf( $message, '' . $post->post_type . '', '' . $cap . '' ), '4.4.0' ); $caps[] = 'edit_others_posts'; break; } if ( ! $post_type->map_meta_cap ) { $caps[] = $post_type->cap->$cap; // Prior to 3.1 we would re-call map_meta_cap here. if ( 'delete_post' === $cap ) { $cap = $post_type->cap->$cap; } break; } // If the post author is set and the user is the author... if ( $post->post_author && $user_id === (int) $post->post_author ) { // If the post is published or scheduled... if ( in_array( $post->post_status, array( 'publish', 'future' ), true ) ) { $caps[] = $post_type->cap->delete_published_posts; } elseif ( 'trash' === $post->post_status ) { $status = get_post_meta( $post->ID, '_wp_trash_meta_status', true ); if ( in_array( $status, array( 'publish', 'future' ), true ) ) { $caps[] = $post_type->cap->delete_published_posts; } else { $caps[] = $post_type->cap->delete_posts; } } else { // If the post is draft... $caps[] = $post_type->cap->delete_posts; } } else { // The user is trying to edit someone else's post. $caps[] = $post_type->cap->delete_others_posts; // The post is published or scheduled, extra cap required. if ( in_array( $post->post_status, array( 'publish', 'future' ), true ) ) { $caps[] = $post_type->cap->delete_published_posts; } elseif ( 'private' === $post->post_status ) { $caps[] = $post_type->cap->delete_private_posts; } } /* * Setting the privacy policy page requires `manage_privacy_options`, * so deleting it should require that too. */ if ( (int) get_option( 'wp_page_for_privacy_policy' ) === $post->ID ) { $caps = array_merge( $caps, map_meta_cap( 'manage_privacy_options', $user_id ) ); } break; /* * edit_post breaks down to edit_posts, edit_published_posts, or * edit_others_posts. */ case 'edit_post': case 'edit_page': if ( ! isset( $args[0] ) ) { if ( 'edit_post' === $cap ) { /* translators: %s: Capability name. */ $message = __( 'When checking for the %s capability, you must always check it against a specific post.' ); } else { /* translators: %s: Capability name. */ $message = __( 'When checking for the %s capability, you must always check it against a specific page.' ); } _doing_it_wrong( __FUNCTION__, sprintf( $message, '' . $cap . '' ), '6.1.0' ); $caps[] = 'do_not_allow'; break; } $post = get_post( $args[0] ); if ( ! $post ) { $caps[] = 'do_not_allow'; break; } if ( 'revision' === $post->post_type ) { $post = get_post( $post->post_parent ); if ( ! $post ) { $caps[] = 'do_not_allow'; break; } } $post_type = get_post_type_object( $post->post_type ); if ( ! $post_type ) { /* translators: 1: Post type, 2: Capability name. */ $message = __( 'The post type %1$s is not registered, so it may not be reliable to check the capability %2$s against a post of that type.' ); _doing_it_wrong( __FUNCTION__, sprintf( $message, '' . $post->post_type . '', '' . $cap . '' ), '4.4.0' ); $caps[] = 'edit_others_posts'; break; } if ( ! $post_type->map_meta_cap ) { $caps[] = $post_type->cap->$cap; // Prior to 3.1 we would re-call map_meta_cap here. if ( 'edit_post' === $cap ) { $cap = $post_type->cap->$cap; } break; } // If the post author is set and the user is the author... if ( $post->post_author && $user_id === (int) $post->post_author ) { // If the post is published or scheduled... if ( in_array( $post->post_status, array( 'publish', 'future' ), true ) ) { $caps[] = $post_type->cap->edit_published_posts; } elseif ( 'trash' === $post->post_status ) { $status = get_post_meta( $post->ID, '_wp_trash_meta_status', true ); if ( in_array( $status, array( 'publish', 'future' ), true ) ) { $caps[] = $post_type->cap->edit_published_posts; } else { $caps[] = $post_type->cap->edit_posts; } } else { // If the post is draft... $caps[] = $post_type->cap->edit_posts; } } else { // The user is trying to edit someone else's post. $caps[] = $post_type->cap->edit_others_posts; // The post is published or scheduled, extra cap required. if ( in_array( $post->post_status, array( 'publish', 'future' ), true ) ) { $caps[] = $post_type->cap->edit_published_posts; } elseif ( 'private' === $post->post_status ) { $caps[] = $post_type->cap->edit_private_posts; } } /* * Setting the privacy policy page requires `manage_privacy_options`, * so editing it should require that too. */ if ( (int) get_option( 'wp_page_for_privacy_policy' ) === $post->ID ) { $caps = array_merge( $caps, map_meta_cap( 'manage_privacy_options', $user_id ) ); } break; case 'read_post': case 'read_page': if ( ! isset( $args[0] ) ) { if ( 'read_post' === $cap ) { /* translators: %s: Capability name. */ $message = __( 'When checking for the %s capability, you must always check it against a specific post.' ); } else { /* translators: %s: Capability name. */ $message = __( 'When checking for the %s capability, you must always check it against a specific page.' ); } _doing_it_wrong( __FUNCTION__, sprintf( $message, '' . $cap . '' ), '6.1.0' ); $caps[] = 'do_not_allow'; break; } $post = get_post( $args[0] ); if ( ! $post ) { $caps[] = 'do_not_allow'; break; } if ( 'revision' === $post->post_type ) { $post = get_post( $post->post_parent ); if ( ! $post ) { $caps[] = 'do_not_allow'; break; } } $post_type = get_post_type_object( $post->post_type ); if ( ! $post_type ) { /* translators: 1: Post type, 2: Capability name. */ $message = __( 'The post type %1$s is not registered, so it may not be reliable to check the capability %2$s against a post of that type.' ); _doing_it_wrong( __FUNCTION__, sprintf( $message, '' . $post->post_type . '', '' . $cap . '' ), '4.4.0' ); $caps[] = 'edit_others_posts'; break; } if ( ! $post_type->map_meta_cap ) { $caps[] = $post_type->cap->$cap; // Prior to 3.1 we would re-call map_meta_cap here. if ( 'read_post' === $cap ) { $cap = $post_type->cap->$cap; } break; } $status_obj = get_post_status_object( get_post_status( $post ) ); if ( ! $status_obj ) { /* translators: 1: Post status, 2: Capability name. */ $message = __( 'The post status %1$s is not registered, so it may not be reliable to check the capability %2$s against a post with that status.' ); _doing_it_wrong( __FUNCTION__, sprintf( $message, '' . get_post_status( $post ) . '', '' . $cap . '' ), '5.4.0' ); $caps[] = 'edit_others_posts'; break; } if ( $status_obj->public ) { $caps[] = $post_type->cap->read; break; } if ( $post->post_author && $user_id === (int) $post->post_author ) { $caps[] = $post_type->cap->read; } elseif ( $status_obj->private ) { $caps[] = $post_type->cap->read_private_posts; } else { $caps = map_meta_cap( 'edit_post', $user_id, $post->ID ); } break; case 'publish_post': if ( ! isset( $args[0] ) ) { /* translators: %s: Capability name. */ $message = __( 'When checking for the %s capability, you must always check it against a specific post.' ); _doing_it_wrong( __FUNCTION__, sprintf( $message, '' . $cap . '' ), '6.1.0' ); $caps[] = 'do_not_allow'; break; } $post = get_post( $args[0] ); if ( ! $post ) { $caps[] = 'do_not_allow'; break; } $post_type = get_post_type_object( $post->post_type ); if ( ! $post_type ) { /* translators: 1: Post type, 2: Capability name. */ $message = __( 'The post type %1$s is not registered, so it may not be reliable to check the capability %2$s against a post of that type.' ); _doing_it_wrong( __FUNCTION__, sprintf( $message, '' . $post->post_type . '', '' . $cap . '' ), '4.4.0' ); $caps[] = 'edit_others_posts'; break; } $caps[] = $post_type->cap->publish_posts; break; case 'edit_post_meta': case 'delete_post_meta': case 'add_post_meta': case 'edit_comment_meta': case 'delete_comment_meta': case 'add_comment_meta': case 'edit_term_meta': case 'delete_term_meta': case 'add_term_meta': case 'edit_user_meta': case 'delete_user_meta': case 'add_user_meta': $object_type = explode( '_', $cap )[1]; if ( ! isset( $args[0] ) ) { if ( 'post' === $object_type ) { /* translators: %s: Capability name. */ $message = __( 'When checking for the %s capability, you must always check it against a specific post.' ); } elseif ( 'comment' === $object_type ) { /* translators: %s: Capability name. */ $message = __( 'When checking for the %s capability, you must always check it against a specific comment.' ); } elseif ( 'term' === $object_type ) { /* translators: %s: Capability name. */ $message = __( 'When checking for the %s capability, you must always check it against a specific term.' ); } else { /* translators: %s: Capability name. */ $message = __( 'When checking for the %s capability, you must always check it against a specific user.' ); } _doing_it_wrong( __FUNCTION__, sprintf( $message, '' . $cap . '' ), '6.1.0' ); $caps[] = 'do_not_allow'; break; } $object_id = (int) $args[0]; $object_subtype = get_object_subtype( $object_type, $object_id ); if ( empty( $object_subtype ) ) { $caps[] = 'do_not_allow'; break; } $caps = map_meta_cap( "edit_{$object_type}", $user_id, $object_id ); $meta_key = isset( $args[1] ) ? $args[1] : false; if ( $meta_key ) { $allowed = ! is_protected_meta( $meta_key, $object_type ); if ( has_filter( "auth_{$object_type}_meta_{$meta_key}_for_{$object_subtype}" ) ) { /** * Filters whether the user is allowed to edit a specific meta key of a specific object type and subtype. * * The dynamic portions of the hook name, `$object_type`, `$meta_key`, * and `$object_subtype`, refer to the metadata object type (comment, post, term or user), * the meta key value, and the object subtype respectively. * * @since 4.9.8 * * @param bool $allowed Whether the user can add the object meta. Default false. * @param string $meta_key The meta key. * @param int $object_id Object ID. * @param int $user_id User ID. * @param string $cap Capability name. * @param string[] $caps Array of the user's capabilities. */ $allowed = apply_filters( "auth_{$object_type}_meta_{$meta_key}_for_{$object_subtype}", $allowed, $meta_key, $object_id, $user_id, $cap, $caps ); } else { /** * Filters whether the user is allowed to edit a specific meta key of a specific object type. * * Return true to have the mapped meta caps from `edit_{$object_type}` apply. * * The dynamic portion of the hook name, `$object_type` refers to the object type being filtered. * The dynamic portion of the hook name, `$meta_key`, refers to the meta key passed to map_meta_cap(). * * @since 3.3.0 As `auth_post_meta_{$meta_key}`. * @since 4.6.0 * * @param bool $allowed Whether the user can add the object meta. Default false. * @param string $meta_key The meta key. * @param int $object_id Object ID. * @param int $user_id User ID. * @param string $cap Capability name. * @param string[] $caps Array of the user's capabilities. */ $allowed = apply_filters( "auth_{$object_type}_meta_{$meta_key}", $allowed, $meta_key, $object_id, $user_id, $cap, $caps ); } /** * Filters whether the user is allowed to edit meta for specific object types/subtypes. * * Return true to have the mapped meta caps from `edit_{$object_type}` apply. * * The dynamic portion of the hook name, `$object_type` refers to the object type being filtered. * The dynamic portion of the hook name, `$object_subtype` refers to the object subtype being filtered. * The dynamic portion of the hook name, `$meta_key`, refers to the meta key passed to map_meta_cap(). * * @since 4.6.0 As `auth_post_{$post_type}_meta_{$meta_key}`. * @since 4.7.0 Renamed from `auth_post_{$post_type}_meta_{$meta_key}` to * `auth_{$object_type}_{$object_subtype}_meta_{$meta_key}`. * @deprecated 4.9.8 Use {@see 'auth_{$object_type}_meta_{$meta_key}_for_{$object_subtype}'} instead. * * @param bool $allowed Whether the user can add the object meta. Default false. * @param string $meta_key The meta key. * @param int $object_id Object ID. * @param int $user_id User ID. * @param string $cap Capability name. * @param string[] $caps Array of the user's capabilities. */ $allowed = apply_filters_deprecated( "auth_{$object_type}_{$object_subtype}_meta_{$meta_key}", array( $allowed, $meta_key, $object_id, $user_id, $cap, $caps ), '4.9.8', "auth_{$object_type}_meta_{$meta_key}_for_{$object_subtype}" ); if ( ! $allowed ) { $caps[] = $cap; } } break; case 'edit_comment': if ( ! isset( $args[0] ) ) { /* translators: %s: Capability name. */ $message = __( 'When checking for the %s capability, you must always check it against a specific comment.' ); _doing_it_wrong( __FUNCTION__, sprintf( $message, '' . $cap . '' ), '6.1.0' ); $caps[] = 'do_not_allow'; break; } $comment = get_comment( $args[0] ); if ( ! $comment ) { $caps[] = 'do_not_allow'; break; } $post = get_post( $comment->comment_post_ID ); /* * If the post doesn't exist, we have an orphaned comment. * Fall back to the edit_posts capability, instead. */ if ( $post ) { $caps = map_meta_cap( 'edit_post', $user_id, $post->ID ); } else { $caps = map_meta_cap( 'edit_posts', $user_id ); } break; case 'unfiltered_upload': if ( defined( 'ALLOW_UNFILTERED_UPLOADS' ) && ALLOW_UNFILTERED_UPLOADS && ( ! is_multisite() || is_super_admin( $user_id ) ) ) { $caps[] = $cap; } else { $caps[] = 'do_not_allow'; } break; case 'edit_css': case 'unfiltered_html': // Disallow unfiltered_html for all users, even admins and super admins. if ( defined( 'DISALLOW_UNFILTERED_HTML' ) && DISALLOW_UNFILTERED_HTML ) { $caps[] = 'do_not_allow'; } elseif ( is_multisite() && ! is_super_admin( $user_id ) ) { $caps[] = 'do_not_allow'; } else { $caps[] = 'unfiltered_html'; } break; case 'edit_files': case 'edit_plugins': case 'edit_themes': // Disallow the file editors. if ( defined( 'DISALLOW_FILE_EDIT' ) && DISALLOW_FILE_EDIT ) { $caps[] = 'do_not_allow'; } elseif ( ! wp_is_file_mod_allowed( 'capability_edit_themes' ) ) { $caps[] = 'do_not_allow'; } elseif ( is_multisite() && ! is_super_admin( $user_id ) ) { $caps[] = 'do_not_allow'; } else { $caps[] = $cap; } break; case 'update_plugins': case 'delete_plugins': case 'install_plugins': case 'upload_plugins': case 'update_themes': case 'delete_themes': case 'install_themes': case 'upload_themes': case 'update_core': /* * Disallow anything that creates, deletes, or updates core, plugin, or theme files. * Files in uploads are excepted. */ if ( ! wp_is_file_mod_allowed( 'capability_update_core' ) ) { $caps[] = 'do_not_allow'; } elseif ( is_multisite() && ! is_super_admin( $user_id ) ) { $caps[] = 'do_not_allow'; } elseif ( 'upload_themes' === $cap ) { $caps[] = 'install_themes'; } elseif ( 'upload_plugins' === $cap ) { $caps[] = 'install_plugins'; } else { $caps[] = $cap; } break; case 'install_languages': case 'update_languages': if ( ! wp_is_file_mod_allowed( 'can_install_language_pack' ) ) { $caps[] = 'do_not_allow'; } elseif ( is_multisite() && ! is_super_admin( $user_id ) ) { $caps[] = 'do_not_allow'; } else { $caps[] = 'install_languages'; } break; case 'activate_plugins': case 'deactivate_plugins': case 'activate_plugin': case 'deactivate_plugin': $caps[] = 'activate_plugins'; if ( is_multisite() ) { // update_, install_, and delete_ are handled above with is_super_admin(). $menu_perms = get_site_option( 'menu_items', array() ); if ( empty( $menu_perms['plugins'] ) ) { $caps[] = 'manage_network_plugins'; } } break; case 'resume_plugin': $caps[] = 'resume_plugins'; break; case 'resume_theme': $caps[] = 'resume_themes'; break; case 'delete_user': case 'delete_users': // If multisite only super admins can delete users. if ( is_multisite() && ! is_super_admin( $user_id ) ) { $caps[] = 'do_not_allow'; } else { $caps[] = 'delete_users'; // delete_user maps to delete_users. } break; case 'create_users': if ( ! is_multisite() ) { $caps[] = $cap; } elseif ( is_super_admin( $user_id ) || get_site_option( 'add_new_users' ) ) { $caps[] = $cap; } else { $caps[] = 'do_not_allow'; } break; case 'manage_links': if ( get_option( 'link_manager_enabled' ) ) { $caps[] = $cap; } else { $caps[] = 'do_not_allow'; } break; case 'customize': $caps[] = 'edit_theme_options'; break; case 'delete_site': if ( is_multisite() ) { $caps[] = 'manage_options'; } else { $caps[] = 'do_not_allow'; } break; case 'edit_term': case 'delete_term': case 'assign_term': if ( ! isset( $args[0] ) ) { /* translators: %s: Capability name. */ $message = __( 'When checking for the %s capability, you must always check it against a specific term.' ); _doing_it_wrong( __FUNCTION__, sprintf( $message, '' . $cap . '' ), '6.1.0' ); $caps[] = 'do_not_allow'; break; } $term_id = (int) $args[0]; $term = get_term( $term_id ); if ( ! $term || is_wp_error( $term ) ) { $caps[] = 'do_not_allow'; break; } $tax = get_taxonomy( $term->taxonomy ); if ( ! $tax ) { $caps[] = 'do_not_allow'; break; } if ( 'delete_term' === $cap && ( (int) get_option( 'default_' . $term->taxonomy ) === $term->term_id || (int) get_option( 'default_term_' . $term->taxonomy ) === $term->term_id ) ) { $caps[] = 'do_not_allow'; break; } $taxo_cap = $cap . 's'; $caps = map_meta_cap( $tax->cap->$taxo_cap, $user_id, $term_id ); break; case 'manage_post_tags': case 'edit_categories': case 'edit_post_tags': case 'delete_categories': case 'delete_post_tags': $caps[] = 'manage_categories'; break; case 'assign_categories': case 'assign_post_tags': $caps[] = 'edit_posts'; break; case 'create_sites': case 'delete_sites': case 'manage_network': case 'manage_sites': case 'manage_network_users': case 'manage_network_plugins': case 'manage_network_themes': case 'manage_network_options': case 'upgrade_network': $caps[] = $cap; break; case 'setup_network': if ( is_multisite() ) { $caps[] = 'manage_network_options'; } else { $caps[] = 'manage_options'; } break; case 'update_php': if ( is_multisite() && ! is_super_admin( $user_id ) ) { $caps[] = 'do_not_allow'; } else { $caps[] = 'update_core'; } break; case 'update_https': if ( is_multisite() && ! is_super_admin( $user_id ) ) { $caps[] = 'do_not_allow'; } else { $caps[] = 'manage_options'; $caps[] = 'update_core'; } break; case 'export_others_personal_data': case 'erase_others_personal_data': case 'manage_privacy_options': $caps[] = is_multisite() ? 'manage_network' : 'manage_options'; break; case 'create_app_password': case 'list_app_passwords': case 'read_app_password': case 'edit_app_password': case 'delete_app_passwords': case 'delete_app_password': $caps = map_meta_cap( 'edit_user', $user_id, $args[0] ); break; case 'edit_block_binding': $block_editor_context = $args[0]; if ( isset( $block_editor_context->post ) ) { $object_id = $block_editor_context->post->ID; } /* * If the post ID is null, check if the context is the site editor. * Fall back to the edit_theme_options in that case. */ if ( ! isset( $object_id ) ) { if ( ! isset( $block_editor_context->name ) || 'core/edit-site' !== $block_editor_context->name ) { $caps[] = 'do_not_allow'; break; } $caps = map_meta_cap( 'edit_theme_options', $user_id ); break; } $object_subtype = get_object_subtype( 'post', (int) $object_id ); if ( empty( $object_subtype ) ) { $caps[] = 'do_not_allow'; break; } $post_type_object = get_post_type_object( $object_subtype ); // Initialize empty array if it doesn't exist. if ( ! isset( $post_type_object->capabilities ) ) { $post_type_object->capabilities = array(); } $post_type_capabilities = get_post_type_capabilities( $post_type_object ); $caps = map_meta_cap( $post_type_capabilities->edit_post, $user_id, $object_id ); break; default: // Handle meta capabilities for custom post types. global $post_type_meta_caps; if ( isset( $post_type_meta_caps[ $cap ] ) ) { return map_meta_cap( $post_type_meta_caps[ $cap ], $user_id, ...$args ); } // Block capabilities map to their post equivalent. $block_caps = array( 'edit_blocks', 'edit_others_blocks', 'publish_blocks', 'read_private_blocks', 'delete_blocks', 'delete_private_blocks', 'delete_published_blocks', 'delete_others_blocks', 'edit_private_blocks', 'edit_published_blocks', ); if ( in_array( $cap, $block_caps, true ) ) { $cap = str_replace( '_blocks', '_posts', $cap ); } // If no meta caps match, return the original cap. $caps[] = $cap; } /** * Filters the primitive capabilities required of the given user to satisfy the * capability being checked. * * @since 2.8.0 * * @param string[] $caps Primitive capabilities required of the user. * @param string $cap Capability being checked. * @param int $user_id The user ID. * @param array $args Adds context to the capability check, typically * starting with an object ID. */ return apply_filters( 'map_meta_cap', $caps, $cap, $user_id, $args ); } /** * Returns whether the current user has the specified capability. * * This function also accepts an ID of an object to check against if the capability is a meta capability. Meta * capabilities such as `edit_post` and `edit_user` are capabilities used by the `map_meta_cap()` function to * map to primitive capabilities that a user or role has, such as `edit_posts` and `edit_others_posts`. * * Example usage: * * current_user_can( 'edit_posts' ); * current_user_can( 'edit_post', $post->ID ); * current_user_can( 'edit_post_meta', $post->ID, $meta_key ); * * While checking against particular roles in place of a capability is supported * in part, this practice is discouraged as it may produce unreliable results. * * Note: Will always return true if the current user is a super admin, unless specifically denied. * * @since 2.0.0 * @since 5.3.0 Formalized the existing and already documented `...$args` parameter * by adding it to the function signature. * @since 5.8.0 Converted to wrapper for the user_can() function. * * @see WP_User::has_cap() * @see map_meta_cap() * * @param string $capability Capability name. * @param mixed ...$args Optional further parameters, typically starting with an object ID. * @return bool Whether the current user has the given capability. If `$capability` is a meta cap and `$object_id` is * passed, whether the current user has the given meta capability for the given object. */ function current_user_can( $capability, ...$args ) { return user_can( wp_get_current_user(), $capability, ...$args ); } /** * Returns whether the current user has the specified capability for a given site. * * This function also accepts an ID of an object to check against if the capability is a meta capability. Meta * capabilities such as `edit_post` and `edit_user` are capabilities used by the `map_meta_cap()` function to * map to primitive capabilities that a user or role has, such as `edit_posts` and `edit_others_posts`. * * This function replaces the current_user_can_for_blog() function. * * Example usage: * * current_user_can_for_site( $site_id, 'edit_posts' ); * current_user_can_for_site( $site_id, 'edit_post', $post->ID ); * current_user_can_for_site( $site_id, 'edit_post_meta', $post->ID, $meta_key ); * * @since 6.7.0 * * @param int $site_id Site ID. * @param string $capability Capability name. * @param mixed ...$args Optional further parameters, typically starting with an object ID. * @return bool Whether the user has the given capability. */ function current_user_can_for_site( $site_id, $capability, ...$args ) { $switched = is_multisite() ? switch_to_blog( $site_id ) : false; $can = current_user_can( $capability, ...$args ); if ( $switched ) { restore_current_blog(); } return $can; } /** * Returns whether the author of the supplied post has the specified capability. * * This function also accepts an ID of an object to check against if the capability is a meta capability. Meta * capabilities such as `edit_post` and `edit_user` are capabilities used by the `map_meta_cap()` function to * map to primitive capabilities that a user or role has, such as `edit_posts` and `edit_others_posts`. * * Example usage: * * author_can( $post, 'edit_posts' ); * author_can( $post, 'edit_post', $post->ID ); * author_can( $post, 'edit_post_meta', $post->ID, $meta_key ); * * @since 2.9.0 * @since 5.3.0 Formalized the existing and already documented `...$args` parameter * by adding it to the function signature. * * @param int|WP_Post $post Post ID or post object. * @param string $capability Capability name. * @param mixed ...$args Optional further parameters, typically starting with an object ID. * @return bool Whether the post author has the given capability. */ function author_can( $post, $capability, ...$args ) { $post = get_post( $post ); if ( ! $post ) { return false; } $author = get_userdata( $post->post_author ); if ( ! $author ) { return false; } return $author->has_cap( $capability, ...$args ); } /** * Returns whether a particular user has the specified capability. * * This function also accepts an ID of an object to check against if the capability is a meta capability. Meta * capabilities such as `edit_post` and `edit_user` are capabilities used by the `map_meta_cap()` function to * map to primitive capabilities that a user or role has, such as `edit_posts` and `edit_others_posts`. * * Example usage: * * user_can( $user->ID, 'edit_posts' ); * user_can( $user->ID, 'edit_post', $post->ID ); * user_can( $user->ID, 'edit_post_meta', $post->ID, $meta_key ); * * @since 3.1.0 * @since 5.3.0 Formalized the existing and already documented `...$args` parameter * by adding it to the function signature. * * @param int|WP_User $user User ID or object. * @param string $capability Capability name. * @param mixed ...$args Optional further parameters, typically starting with an object ID. * @return bool Whether the user has the given capability. */ function user_can( $user, $capability, ...$args ) { if ( ! is_object( $user ) ) { $user = get_userdata( $user ); } if ( empty( $user ) ) { // User is logged out, create anonymous user object. $user = new WP_User( 0 ); $user->init( new stdClass() ); } return $user->has_cap( $capability, ...$args ); } /** * Returns whether a particular user has the specified capability for a given site. * * This function also accepts an ID of an object to check against if the capability is a meta capability. Meta * capabilities such as `edit_post` and `edit_user` are capabilities used by the `map_meta_cap()` function to * map to primitive capabilities that a user or role has, such as `edit_posts` and `edit_others_posts`. * * Example usage: * * user_can_for_site( $user->ID, $site_id, 'edit_posts' ); * user_can_for_site( $user->ID, $site_id, 'edit_post', $post->ID ); * user_can_for_site( $user->ID, $site_id, 'edit_post_meta', $post->ID, $meta_key ); * * @since 6.7.0 * * @param int|WP_User $user User ID or object. * @param int $site_id Site ID. * @param string $capability Capability name. * @param mixed ...$args Optional further parameters, typically starting with an object ID. * @return bool Whether the user has the given capability. */ function user_can_for_site( $user, $site_id, $capability, ...$args ) { if ( ! is_object( $user ) ) { $user = get_userdata( $user ); } if ( empty( $user ) ) { // User is logged out, create anonymous user object. $user = new WP_User( 0 ); $user->init( new stdClass() ); } // Check if the blog ID is valid. if ( ! is_numeric( $site_id ) || $site_id <= 0 ) { return false; } $switched = is_multisite() ? switch_to_blog( $site_id ) : false; $can = user_can( $user->ID, $capability, ...$args ); if ( $switched ) { restore_current_blog(); } return $can; } /** * Retrieves the global WP_Roles instance and instantiates it if necessary. * * @since 4.3.0 * * @global WP_Roles $wp_roles WordPress role management object. * * @return WP_Roles WP_Roles global instance if not already instantiated. */ function wp_roles() { global $wp_roles; if ( ! isset( $wp_roles ) ) { $wp_roles = new WP_Roles(); } return $wp_roles; } /** * Retrieves role object. * * @since 2.0.0 * * @param string $role Role name. * @return WP_Role|null WP_Role object if found, null if the role does not exist. */ function get_role( $role ) { return wp_roles()->get_role( $role ); } /** * Adds a role, if it does not exist. * * The list of capabilities can be passed either as a numerically indexed array of capability names, or an * associative array of boolean values keyed by the capability name. To explicitly deny the role a capability, set * the value for that capability to false. * * Examples: * * // Add a role that can edit posts. * add_role( 'custom_role', 'Custom Role', array( * 'read', * 'edit_posts', * ) ); * * Or, using an associative array: * * // Add a role that can edit posts but explicitly cannot not delete them. * add_role( 'custom_role', 'Custom Role', array( * 'read' => true, * 'edit_posts' => true, * 'delete_posts' => false, * ) ); * * @since 2.0.0 * @since 6.9.0 Support was added for a numerically indexed array of strings for the capabilities array. * * @param string $role Role name. * @param string $display_name Display name for role. * @param array|array $capabilities Capabilities to be added to the role. * Default empty array. * @return WP_Role|void WP_Role object, if the role is added. */ function add_role( $role, $display_name, $capabilities = array() ) { if ( empty( $role ) ) { return; } return wp_roles()->add_role( $role, $display_name, $capabilities ); } /** * Removes a role, if it exists. * * @since 2.0.0 * * @param string $role Role name. */ function remove_role( $role ) { wp_roles()->remove_role( $role ); } /** * Retrieves a list of super admins. * * @since 3.0.0 * * @global array $super_admins * * @return string[] List of super admin logins. */ function get_super_admins() { global $super_admins; if ( isset( $super_admins ) ) { return $super_admins; } else { return get_site_option( 'site_admins', array( 'admin' ) ); } } /** * Determines whether user is a site admin. * * @since 3.0.0 * * @param int|false $user_id Optional. The ID of a user. Defaults to false, to check the current user. * @return bool Whether the user is a site admin. */ function is_super_admin( $user_id = false ) { if ( ! $user_id ) { $user = wp_get_current_user(); } else { $user = get_userdata( $user_id ); } if ( ! $user || ! $user->exists() ) { return false; } if ( is_multisite() ) { $super_admins = get_super_admins(); if ( is_array( $super_admins ) && in_array( $user->user_login, $super_admins, true ) ) { return true; } } elseif ( $user->has_cap( 'delete_users' ) ) { return true; } return false; } /** * Grants Super Admin privileges. * * @since 3.0.0 * * @global array $super_admins * * @param int $user_id ID of the user to be granted Super Admin privileges. * @return bool True on success, false on failure. This can fail when the user is * already a super admin or when the `$super_admins` global is defined. */ function grant_super_admin( $user_id ) { // If global super_admins override is defined, there is nothing to do here. if ( isset( $GLOBALS['super_admins'] ) || ! is_multisite() ) { return false; } /** * Fires before the user is granted Super Admin privileges. * * @since 3.0.0 * * @param int $user_id ID of the user that is about to be granted Super Admin privileges. */ do_action( 'grant_super_admin', $user_id ); // Directly fetch site_admins instead of using get_super_admins(). $super_admins = get_site_option( 'site_admins', array( 'admin' ) ); $user = get_userdata( $user_id ); if ( $user && ! in_array( $user->user_login, $super_admins, true ) ) { $super_admins[] = $user->user_login; update_site_option( 'site_admins', $super_admins ); /** * Fires after the user is granted Super Admin privileges. * * @since 3.0.0 * * @param int $user_id ID of the user that was granted Super Admin privileges. */ do_action( 'granted_super_admin', $user_id ); return true; } return false; } /** * Revokes Super Admin privileges. * * @since 3.0.0 * @since 6.9.0 Super admin privileges can be revoked regardless of email address. * * @global array $super_admins * * @param int $user_id ID of the user Super Admin privileges to be revoked from. * @return bool True on success, false on failure. This can fail when the user's email * is the network admin email or when the `$super_admins` global is defined. */ function revoke_super_admin( $user_id ) { // If global super_admins override is defined, there is nothing to do here. if ( isset( $GLOBALS['super_admins'] ) || ! is_multisite() ) { return false; } /** * Fires before the user's Super Admin privileges are revoked. * * @since 3.0.0 * * @param int $user_id ID of the user Super Admin privileges are being revoked from. */ do_action( 'revoke_super_admin', $user_id ); // Directly fetch site_admins instead of using get_super_admins(). $super_admins = get_site_option( 'site_admins', array( 'admin' ) ); $user = get_userdata( $user_id ); if ( $user ) { $key = array_search( $user->user_login, $super_admins, true ); if ( false !== $key ) { unset( $super_admins[ $key ] ); update_site_option( 'site_admins', $super_admins ); /** * Fires after the user's Super Admin privileges are revoked. * * @since 3.0.0 * * @param int $user_id ID of the user Super Admin privileges were revoked from. */ do_action( 'revoked_super_admin', $user_id ); return true; } } return false; } /** * Filters the user capabilities to grant the 'install_languages' capability as necessary. * * A user must have at least one out of the 'update_core', 'install_plugins', and * 'install_themes' capabilities to qualify for 'install_languages'. * * @since 4.9.0 * * @param bool[] $allcaps An array of all the user's capabilities. * @return bool[] Filtered array of the user's capabilities. */ function wp_maybe_grant_install_languages_cap( $allcaps ) { if ( ! empty( $allcaps['update_core'] ) || ! empty( $allcaps['install_plugins'] ) || ! empty( $allcaps['install_themes'] ) ) { $allcaps['install_languages'] = true; } return $allcaps; } /** * Filters the user capabilities to grant the 'resume_plugins' and 'resume_themes' capabilities as necessary. * * @since 5.2.0 * * @param bool[] $allcaps An array of all the user's capabilities. * @return bool[] Filtered array of the user's capabilities. */ function wp_maybe_grant_resume_extensions_caps( $allcaps ) { // Even in a multisite, regular administrators should be able to resume plugins. if ( ! empty( $allcaps['activate_plugins'] ) ) { $allcaps['resume_plugins'] = true; } // Even in a multisite, regular administrators should be able to resume themes. if ( ! empty( $allcaps['switch_themes'] ) ) { $allcaps['resume_themes'] = true; } return $allcaps; } /** * Filters the user capabilities to grant the 'view_site_health_checks' capabilities as necessary. * * @since 5.2.2 * * @param bool[] $allcaps An array of all the user's capabilities. * @param string[] $caps Required primitive capabilities for the requested capability. * @param array $args { * Arguments that accompany the requested capability check. * * @type string $0 Requested capability. * @type int $1 Concerned user ID. * @type mixed ...$2 Optional second and further parameters, typically object ID. * } * @param WP_User $user The user object. * @return bool[] Filtered array of the user's capabilities. */ function wp_maybe_grant_site_health_caps( $allcaps, $caps, $args, $user ) { if ( ! empty( $allcaps['install_plugins'] ) && ( ! is_multisite() || is_super_admin( $user->ID ) ) ) { $allcaps['view_site_health_checks'] = true; } return $allcaps; } return; // Dummy gettext calls to get strings in the catalog. /* translators: User role for administrators. */ _x( 'Administrator', 'User role' ); /* translators: User role for editors. */ _x( 'Editor', 'User role' ); /* translators: User role for authors. */ _x( 'Author', 'User role' ); /* translators: User role for contributors. */ _x( 'Contributor', 'User role' ); /* translators: User role for subscribers. */ _x( 'Subscriber', 'User role' );