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<?php |
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|
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/** |
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* bbPress XML-RPC Functions. |
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* |
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* @package bbPress |
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* @subpackage Common |
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*/ |
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|
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// Exit if accessed directly |
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defined( 'ABSPATH' ) || exit; |
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|
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/** |
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* Validate an XML-RPC edit against bbPress posting rules. |
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* |
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* @since 2.6.17 bbPress (r7486) |
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* @since 2.6.19 bbPress (r7684) Validate publication and date changes. |
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* |
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* @param string $method XML-RPC method name. |
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* @param array $args XML-RPC method arguments. |
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*/ |
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function bbp_validate_xmlrpc_post( $method = '', $args = array() ) { |
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global $bbp_xmlrpc_error_post_id, $bbp_xmlrpc_error_post_type; |
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|
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$bbp_xmlrpc_error_post_id = 0; |
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$bbp_xmlrpc_error_post_type = ''; |
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|
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// WordPress handles create permissions, but not bbPress's strict block list. |
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if ( 'wp.newPost' === $method ) { |
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if ( empty( $args[3] ) || ! is_array( $args[3] ) ) { |
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return; |
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} |
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|
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$post_data = $args[3]; |
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$post_type = isset( $post_data['post_type'] ) ? $post_data['post_type'] : ''; |
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if ( ! in_array( $post_type, array( bbp_get_topic_post_type(), bbp_get_reply_post_type() ), true ) ) { |
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return; |
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} |
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|
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$title = isset( $post_data['post_title'] ) ? wp_unslash( $post_data['post_title'] ) : ''; |
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$content = isset( $post_data['post_content'] ) ? wp_unslash( $post_data['post_content'] ) : ''; |
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if ( ! bbp_check_for_moderation( array(), bbp_get_current_user_id(), $title, $content, true ) ) { |
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$bbp_xmlrpc_error_post_type = $post_type; |
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} |
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|
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return; |
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} |
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|
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// mt.publishPost sets a post status without bbPress lifecycle handling |
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if ( 'mt.publishPost' === $method ) { |
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$post_id = ! empty( $args[0] ) ? (int) $args[0] : 0; |
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$post = get_post( $post_id ); |
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$types = array( bbp_get_forum_post_type(), bbp_get_topic_post_type(), bbp_get_reply_post_type() ); |
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|
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if ( ! empty( $post ) && in_array( $post->post_type, $types, true ) && ( 'publish' !== $post->post_status ) ) { |
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$bbp_xmlrpc_error_post_id = $post_id; |
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} |
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|
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return; |
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} |
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|
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$is_restore = ( 'wp.restoreRevision' === $method ); |
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|
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// Validate an edit or resolve its revision back to a bbPress post |
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if ( 'wp.editPost' === $method ) { |
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if ( empty( $args[3] ) || empty( $args[4] ) || ! is_array( $args[4] ) ) { |
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return; |
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} |
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|
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$post_id = (int) $args[3]; |
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$post_data = $args[4]; |
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} elseif ( $is_restore && ! empty( $args[3] ) ) { |
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$revision_id = (int) $args[3]; |
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$revision = wp_get_post_revision( $revision_id ); |
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|
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if ( empty( $revision ) ) { |
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return; |
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} |
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|
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$post_id = (int) $revision->post_parent; |
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$post_data = array( |
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'post_title' => $revision->post_title, |
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'post_content' => $revision->post_content, |
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); |
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} else { |
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return; |
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} |
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|
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$post = get_post( $post_id ); |
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|
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if ( empty( $post ) ) { |
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return; |
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} |
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|
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$post_type = $post->post_type; |
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|
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if ( ! in_array( $post_type, array( bbp_get_forum_post_type(), bbp_get_topic_post_type(), bbp_get_reply_post_type() ), true ) ) { |
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return; |
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} |
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|
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$post_parent = isset( $post_data['post_parent'] ) |
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? (int) $post_data['post_parent'] |
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: (int) $post->post_parent; |
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$parent_changed = ( $post_parent !== (int) $post->post_parent ); |
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$status_changed = isset( $post_data['post_status'] ) && ( $post_data['post_status'] !== $post->post_status ); |
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$order_changed = isset( $post_data['menu_order'] ) && ( (int) $post_data['menu_order'] !== (int) $post->menu_order ); |
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$invalid = false; |
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$is_forum_content = in_array( $post_type, array( bbp_get_topic_post_type(), bbp_get_reply_post_type() ), true ); |
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$can_moderate = current_user_can( 'moderate', $post_id ); |
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|
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// Keep non-moderators from moving the edit window through XML-RPC dates |
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if ( $is_forum_content && ! $can_moderate && bbp_xmlrpc_post_date_changed( $post_data, $post ) ) { |
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$invalid = true; |
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} |
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|
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// XML-RPC does not set the front-end query flags used by the topic and |
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// reply capability mappings to enforce the author edit window. |
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if ( $is_forum_content && ( bbp_get_current_user_id() === (int) $post->post_author ) && ! $can_moderate ) { |
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$post_date_gmt = ( '0000-00-00 00:00:00' === $post->post_date_gmt ) |
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? get_gmt_from_date( $post->post_date ) |
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: $post->post_date_gmt; |
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|
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if ( bbp_past_edit_lock( $post_date_gmt ) ) { |
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$invalid = true; |
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} |
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} |
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|
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// Validate forum structure and visibility changes |
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if ( bbp_get_forum_post_type() === $post_type ) { |
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if ( ! $is_restore && $parent_changed && ! current_user_can( 'assign_moderators' ) ) { |
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$invalid = true; |
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} |
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|
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if ( ! $is_restore && $status_changed && ! current_user_can( 'manage_forum_attributes', $post_id ) ) { |
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$invalid = true; |
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} |
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|
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if ( ! $is_restore && $order_changed && ! current_user_can( 'assign_moderators' ) ) { |
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$invalid = true; |
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} |
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|
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if ( $invalid ) { |
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$bbp_xmlrpc_error_post_id = $post_id; |
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} |
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|
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return; |
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} |
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|
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// Structural changes require bbPress lifecycle handlers to keep related metadata and counts synchronized |
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if ( ! $is_restore && ( $parent_changed || $status_changed || $order_changed ) ) { |
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$invalid = true; |
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} |
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|
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// Validate topic forum access |
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if ( bbp_get_topic_post_type() === $post_type ) { |
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if ( empty( $post_parent ) || bbp_is_forum_category( $post_parent ) ) { |
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$invalid = true; |
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} elseif ( ! current_user_can( 'edit_forum', $post_parent ) && bbp_is_forum_closed( $post_parent ) ) { |
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$invalid = true; |
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} elseif ( ! current_user_can( 'read_forum', $post_parent ) ) { |
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$invalid = true; |
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} |
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} |
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|
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// Validate reply topic and forum access |
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if ( bbp_get_reply_post_type() === $post_type ) { |
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$topic_id = bbp_get_reply_topic_id( $post_id ); |
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$forum_id = bbp_get_topic_forum_id( $topic_id ); |
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|
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if ( ! current_user_can( 'read_topic', $topic_id ) || ! current_user_can( 'read_forum', $forum_id ) ) { |
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$invalid = true; |
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} |
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} |
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|
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$title = isset( $post_data['post_title'] ) ? wp_unslash( $post_data['post_title'] ) : $post->post_title; |
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$content = isset( $post_data['post_content'] ) ? wp_unslash( $post_data['post_content'] ) : $post->post_content; |
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|
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if ( empty( $content ) || ( ( bbp_get_topic_post_type() === $post_type ) && empty( $title ) ) || bbp_is_title_too_long( $title ) ) { |
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$invalid = true; |
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} |
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|
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if ( ! bbp_check_for_moderation( array(), (int) $post->post_author, $title, $content, true ) ) { |
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$invalid = true; |
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} |
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|
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// Revision restoration cannot change the post status to pending |
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if ( $is_restore && ! bbp_check_for_moderation( array(), (int) $post->post_author, $title, $content ) ) { |
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$invalid = true; |
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} |
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|
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if ( $invalid ) { |
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$bbp_xmlrpc_error_post_id = $post_id; |
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} |
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} |
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|
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/** |
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* Check whether XML-RPC date fields would change a post's publication date. |
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* |
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* Match the date conversion used by WordPress's wp.editPost method. |
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* |
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* @since 2.6.19 bbPress (r7684) |
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* |
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* @param array $post_data Submitted post fields. |
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* @param WP_Post $post Existing post. |
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* @return bool Whether the publication date would change. |
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*/ |
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function bbp_xmlrpc_post_date_changed( $post_data, $post ) { |
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if ( ! isset( $post_data['post_date'] ) && ! isset( $post_data['post_date_gmt'] ) ) { |
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return false; |
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} |
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|
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if ( ! empty( $post_data['post_date_gmt'] ) && ( $post_data['post_date_gmt'] instanceof IXR_Date ) ) { |
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$iso_date = rtrim( $post_data['post_date_gmt']->getIso(), 'Z' ) . 'Z'; |
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} elseif ( ! empty( $post_data['post_date'] ) && ( $post_data['post_date'] instanceof IXR_Date ) ) { |
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$iso_date = $post_data['post_date']->getIso(); |
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} else { |
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return true; |
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} |
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|
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$local = ! empty( $iso_date ) ? iso8601_to_datetime( $iso_date ) : false; |
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$gmt = ! empty( $iso_date ) ? iso8601_to_datetime( $iso_date, 'gmt' ) : false; |
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$post_date_gmt = ( '0000-00-00 00:00:00' === $post->post_date_gmt ) |
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? get_gmt_from_date( $post->post_date ) |
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: $post->post_date_gmt; |
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|
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return empty( $local ) || empty( $gmt ) || ( $post->post_date !== $local ) || ( $post_date_gmt !== $gmt ); |
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} |
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|
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/** |
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* Deny a post capability when an XML-RPC edit failed bbPress validation. |
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* |
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* @since 2.6.17 bbPress (r7486) |
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* |
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* @param array $caps Required capabilities. |
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* @param string $cap Requested capability. |
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* @param int $user_id User ID. |
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* @param array $args Capability arguments. |
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* @return array Required capabilities. |
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*/ |
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function bbp_map_xmlrpc_meta_caps( $caps = array(), $cap = '', $user_id = 0, $args = array() ) { |
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global $bbp_xmlrpc_error_post_id, $bbp_xmlrpc_error_post_type; |
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|
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$edit_caps = array( 'edit_post', 'edit_topic', 'edit_reply' ); |
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|
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if ( ! empty( $bbp_xmlrpc_error_post_id ) && in_array( $cap, $edit_caps, true ) && ! empty( $args[0] ) && ( (int) $args[0] === $bbp_xmlrpc_error_post_id ) ) { |
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$caps[] = 'do_not_allow'; |
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} |
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if ( ( ( bbp_get_topic_post_type() === $bbp_xmlrpc_error_post_type ) && ( 'edit_topics' === $cap ) ) || ( ( bbp_get_reply_post_type() === $bbp_xmlrpc_error_post_type ) && ( 'edit_replies' === $cap ) ) ) { |
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$caps[] = 'do_not_allow'; |
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} |
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|
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return $caps; |
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} |
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|
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/** |
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* Apply bbPress moderation to XML-RPC post data. |
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* |
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* @since 2.6.17 bbPress (r7486) |
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* |
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* @param array $post_data Parsed post data. |
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* @return array Parsed post data. |
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*/ |
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function bbp_xmlrpc_wp_insert_post_data( $post_data = array() ) { |
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$post_id = ! empty( $post_data['ID'] ) ? (int) $post_data['ID'] : 0; |
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$post_type = isset( $post_data['post_type'] ) ? $post_data['post_type'] : ''; |
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|
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if ( empty( $post_id ) || ! in_array( $post_type, array( bbp_get_topic_post_type(), bbp_get_reply_post_type() ), true ) ) { |
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return $post_data; |
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} |
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|
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$title = isset( $post_data['post_title'] ) ? wp_unslash( $post_data['post_title'] ) : ''; |
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$content = isset( $post_data['post_content'] ) ? wp_unslash( $post_data['post_content'] ) : ''; |
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$author_id = isset( $post_data['post_author'] ) ? (int) $post_data['post_author'] : 0; |
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$is_public = ( bbp_get_topic_post_type() === $post_type ) |
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? bbp_is_topic_public( $post_id ) |
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: bbp_is_reply_public( $post_id ); |
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|
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if ( $is_public && ! bbp_check_for_moderation( array(), $author_id, $title, $content ) ) { |
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$post_data['post_status'] = bbp_get_pending_status_id(); |
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} |
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|
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return $post_data; |
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} |
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|
