luded from results. */ if ( str_contains( $sql['join'], 'LEFT JOIN' ) ) { $sql['join'] = str_replace( 'INNER JOIN', 'LEFT JOIN', $sql['join'] ); } /** * Filters the meta query's generated SQL. * * @since 3.1.0 * * @param string[] $sql Array containing the query's JOIN and WHERE clauses. * @param array $queries Array of meta queries. * @param string $type Type of meta. Possible values include but are not limited * to 'post', 'comment', 'blog', 'term', and 'user'. * @param string $primary_table Primary table. * @param string $primary_id_column Primary column ID. * @param object $context The main query object that corresponds to the type, for * example a `WP_Query`, `WP_User_Query`, or `WP_Site_Query`. */ return apply_filters_ref_array( 'get_meta_sql', array( $sql, $this->queries, $type, $primary_table, $primary_id_column, $context ) ); } /** * Generates SQL clauses to be appended to a main query. * * Called by the public WP_Meta_Query::get_sql(), this method is abstracted * out to maintain parity with the other Query classes. * * @since 4.1.0 * * @return string[] { * Array containing JOIN and WHERE SQL clauses to append to the main query. * * @type string $join SQL fragment to append to the main JOIN clause. * @type string $where SQL fragment to append to the main WHERE clause. * } */ protected function get_sql_clauses() { /* * $queries are passed by reference to get_sql_for_query() for recursion. * To keep $this->queries unaltered, pass a copy. */ $queries = $this->queries; $sql = $this->get_sql_for_query( $queries ); if ( ! empty( $sql['where'] ) ) { $sql['where'] = ' AND ' . $sql['where']; } return $sql; } /** * Generates SQL clauses for a single query array. * * If nested subqueries are found, this method recurses the tree to * produce the properly nested SQL. * * @since 4.1.0 * * @param array $query Query to parse (passed by reference). * @param int $depth Optional. Number of tree levels deep we currently are. * Used to calculate indentation. Default 0. * @return string[] { * Array containing JOIN and WHERE SQL clauses to append to a single query array. * * @type string $join SQL fragment to append to the main JOIN clause. * @type string $where SQL fragment to append to the main WHERE clause. * } */ protected function get_sql_for_query( &$query, $depth = 0 ) { $sql_chunks = array( 'join' => array(), 'where' => array(), ); $sql = array( 'join' => '', 'where' => '', ); $indent = ''; for ( $i = 0; $i < $depth; $i++ ) { $indent .= ' '; } foreach ( $query as $key => &$clause ) { if ( 'relation' === $key ) { $relation = $query['relation']; } elseif ( is_array( $clause ) ) { // This is a first-order clause. if ( $this->is_first_order_clause( $clause ) ) { $clause_sql = $this->get_sql_for_clause( $clause, $query, $key ); $where_count = count( $clause_sql['where'] ); if ( ! $where_count ) { $sql_chunks['where'][] = ''; } elseif ( 1 === $where_count ) { $sql_chunks['where'][] = $clause_sql['where'][0]; } else { $sql_chunks['where'][] = '( ' . implode( ' AND ', $clause_sql['where'] ) . ' )'; } $sql_chunks['join'] = array_merge( $sql_chunks['join'], $clause_sql['join'] ); // This is a subquery, so we recurse. } else { $clause_sql = $this->get_sql_for_query( $clause, $depth + 1 ); $sql_chunks['where'][] = $clause_sql['where']; $sql_chunks['join'][] = $clause_sql['join']; } } } // Filter to remove empties. $sql_chunks['join'] = array_filter( $sql_chunks['join'] ); $sql_chunks['where'] = array_filter( $sql_chunks['where'] ); if ( empty( $relation ) ) { $relation = 'AND'; } // Filter duplicate JOIN clauses and combine into a single string. if ( ! empty( $sql_chunks['join'] ) ) { $sql['join'] = implode( ' ', array_unique( $sql_chunks['join'] ) ); } // Generate a single WHERE clause with proper brackets and indentation. if ( ! empty( $sql_chunks['where'] ) ) { $sql['where'] = '( ' . "\n " . $indent . implode( ' ' . "\n " . $indent . $relation . ' ' . "\n " . $indent, $sql_chunks['where'] ) . "\n" . $indent . ')'; } return $sql; } /** * Generates SQL JOIN and WHERE clauses for a first-order query clause. * * "First-order" means that it's an array with a 'key' or 'value'. * * @since 4.1.0 * * @global wpdb $wpdb WordPress database abstraction object. * * @param array $clause Query clause (passed by reference). * @param array $parent_query Parent query array. * @param string $clause_key Optional. The array key used to name the clause in the original `$meta_query` * parameters. If not provided, a key will be generated automatically. * Default empty string. * @return array { * Array containing JOIN and WHERE SQL clauses to append to a first-order query. * * @type string[] $join Array of SQL fragments to append to the main JOIN clause. * @type string[] $where Array of SQL fragments to append to the main WHERE clause. * } */ public function get_sql_for_clause( &$clause, $parent_query, $clause_key = '' ) { global $wpdb; $sql_chunks = array( 'where' => array(), 'join' => array(), ); if ( isset( $clause['compare'] ) ) { $clause['compare'] = strtoupper( $clause['compare'] ); } else { $clause['compare'] = isset( $clause['value'] ) && is_array( $clause['value'] ) ? 'IN' : '='; } $non_numeric_operators = array( '=', '!=', 'LIKE', 'NOT LIKE', 'IN', 'NOT IN', 'EXISTS', 'NOT EXISTS', 'RLIKE', 'REGEXP', 'NOT REGEXP', ); $numeric_operators = array( '>', '>=', '<', '<=', 'BETWEEN', 'NOT BETWEEN', ); if ( ! in_array( $clause['compare'], $non_numeric_operators, true ) && ! in_array( $clause['compare'], $numeric_operators, true ) ) { $clause['compare'] = '='; } if ( isset( $clause['compare_key'] ) ) { $clause['compare_key'] = strtoupper( $clause['compare_key'] ); } else { $clause['compare_key'] = isset( $clause['key'] ) && is_array( $clause['key'] ) ? 'IN' : '='; } if ( ! in_array( $clause['compare_key'], $non_numeric_operators, true ) ) { $clause['compare_key'] = '='; } $meta_compare = $clause['compare']; $meta_compare_key = $clause['compare_key']; // First build the JOIN clause, if one is required. $join = ''; // We prefer to avoid joins if possible. Look for an existing join compatible with this clause. $alias = $this->find_compatible_table_alias( $clause, $parent_query ); if ( false === $alias ) { $i = count( $this->table_aliases ); $alias = $i ? 'mt' . $i : $this->meta_table; // JOIN clauses for NOT EXISTS have their own syntax. if ( 'NOT EXISTS' === $meta_compare ) { $join .= " LEFT JOIN $this->meta_table"; $join .= $i ? " AS $alias" : ''; if ( 'LIKE' === $meta_compare_key ) { $join .= $wpdb->prepare( " ON ( $this->primary_table.$this->primary_id_column = $alias.$this->meta_id_column AND $alias.meta_key LIKE %s )", '%' . $wpdb->esc_like( $clause['key'] ) . '%' ); } else { $join .= $wpdb->prepare( " ON ( $this->primary_table.$this->primary_id_column = $alias.$this->meta_id_column AND $alias.meta_key = %s )", $clause['key'] ); } // All other JOIN clauses. } else { $join .= " INNER JOIN $this->meta_table"; $join .= $i ? " AS $alias" : ''; $join .= " ON ( $this->primary_table.$this->primary_id_column = $alias.$this->meta_id_column )"; } $this->table_aliases[] = $alias; $sql_chunks['join'][] = $join; } // Save the alias to this clause, for future siblings to find. $clause['alias'] = $alias; // Determine the data type. $_meta_type = isset( $clause['type'] ) ? $clause['type'] : ''; $meta_type = $this->get_cast_for_type( $_meta_type ); $clause['cast'] = $meta_type; // Fallback for clause keys is the table alias. Key must be a string. if ( is_int( $clause_key ) || ! $clause_key ) { $clause_key = $clause['alias']; } // Ensure unique clause keys, so none are overwritten. $iterator = 1; $clause_key_base = $clause_key; while ( isset( $this->clauses[ $clause_key ] ) ) { $clause_key = $clause_key_base . '-' . $iterator; ++$iterator; } // Store the clause in our flat array. $this->clauses[ $clause_key ] =& $clause; // Next, build the WHERE clause. // meta_key. if ( array_key_exists( 'key', $clause ) ) { if ( 'NOT EXISTS' === $meta_compare ) { $sql_chunks['where'][] = $alias . '.' . $this->meta_id_column . ' IS NULL'; } else { /** * In joined clauses negative operators have to be nested into a * NOT EXISTS clause and flipped, to avoid returning records with * matching post IDs but different meta keys. Here we prepare the * nested clause. */ if ( in_array( $meta_compare_key, array( '!=', 'NOT IN', 'NOT LIKE', 'NOT EXISTS', 'NOT REGEXP' ), true ) ) { // Negative clauses may be reused. $i = count( $this->table_aliases ); $subquery_alias = $i ? 'mt' . $i : $this->meta_table; $this->table_aliases[] = $subquery_alias; $meta_compare_string_start = 'NOT EXISTS ('; $meta_compare_string_start .= "SELECT 1 FROM $wpdb->postmeta $subquery_alias "; $meta_compare_string_start .= "WHERE $subquery_alias.post_ID = $alias.post_ID "; $meta_compare_string_end = 'LIMIT 1'; $meta_compare_string_end .= ')'; } switch ( $meta_compare_key ) { case '=': case 'EXISTS': $where = $wpdb->prepare( "$alias.meta_key = %s", trim( $clause['key'] ) ); // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared break; case 'LIKE': $meta_compare_value = '%' . $wpdb->esc_like( trim( $clause['key'] ) ) . '%'; $where = $wpdb->prepare( "$alias.meta_key LIKE %s", $meta_compare_value ); // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared break; case 'IN': $meta_compare_string = "$alias.meta_key IN (" . substr( str_repeat( ',%s', count( $clause['key'] ) ), 1 ) . ')'; $where = $wpdb->prepare( $meta_compare_string, $clause['key'] ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared break; case 'RLIKE': case 'REGEXP': $operator = $meta_compare_key; if ( isset( $clause['type_key'] ) && 'BINARY' === strtoupper( $clause['type_key'] ) ) { $cast = 'BINARY'; $meta_key = "CAST($alias.meta_key AS BINARY)"; } else { $cast = ''; $meta_key = "$alias.meta_key"; } $where = $wpdb->prepare( "$meta_key $operator $cast %s", trim( $clause['key'] ) ); // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared break; case '!=': case 'NOT EXISTS': $meta_compare_string = $meta_compare_string_start . "AND $subquery_alias.meta_key = %s " . $meta_compare_string_end; $where = $wpdb->prepare( $meta_compare_string, $clause['key'] ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared break; case 'NOT LIKE': $meta_compare_string = $meta_compare_string_start . "AND $subquery_alias.meta_key LIKE %s " . $meta_compare_string_end; $meta_compare_value = '%' . $wpdb->esc_like( trim( $clause['key'] ) ) . '%'; $where = $wpdb->prepare( $meta_compare_string, $meta_compare_value ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared break; case 'NOT IN': $array_subclause = '(' . substr( str_repeat( ',%s', count( $clause['key'] ) ), 1 ) . ') '; $meta_compare_string = $meta_compare_string_start . "AND $subquery_alias.meta_key IN " . $array_subclause . $meta_compare_string_end; $where = $wpdb->prepare( $meta_compare_string, $clause['key'] ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared break; case 'NOT REGEXP': $operator = $meta_compare_key; if ( isset( $clause['type_key'] ) && 'BINARY' === strtoupper( $clause['type_key'] ) ) { $cast = 'BINARY'; $meta_key = "CAST($subquery_alias.meta_key AS BINARY)"; } else { $cast = ''; $meta_key = "$subquery_alias.meta_key"; } $meta_compare_string = $meta_compare_string_start . "AND $meta_key REGEXP $cast %s " . $meta_compare_string_end; $where = $wpdb->prepare( $meta_compare_string, $clause['key'] ); // phpcs:ignore WordPress.DB.PreparedSQL.NotPrepared break; } $sql_chunks['where'][] = $where; } } // meta_value. if ( array_key_exists( 'value', $clause ) ) { $meta_value = $clause['value']; if ( in_array( $meta_compare, array( 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN' ), true ) ) { if ( ! is_array( $meta_value ) ) { $meta_value = preg_split( '/[,\s]+/', $meta_value ); } } elseif ( is_string( $meta_value ) ) { $meta_value = trim( $meta_value ); } switch ( $meta_compare ) { case 'IN': case 'NOT IN': $meta_compare_string = '(' . substr( str_repeat( ',%s', count( $meta_value ) ), 1 ) . ')'; $where = $wpdb->prepare( $meta_compare_string, $meta_value ); break; case 'BETWEEN': case 'NOT BETWEEN': $where = $wpdb->prepare( '%s AND %s', $meta_value[0], $meta_value[1] ); break; case 'LIKE': case 'NOT LIKE': $meta_value = '%' . $wpdb->esc_like( $meta_value ) . '%'; $where = $wpdb->prepare( '%s', $meta_value ); break; // EXISTS with a value is interpreted as '='. case 'EXISTS': $meta_compare = '='; $where = $wpdb->prepare( '%s', $meta_value ); break; // 'value' is ignored for NOT EXISTS. case 'NOT EXISTS': $where = ''; break; default: $where = $wpdb->prepare( '%s', $meta_value ); break; } if ( $where ) { if ( 'CHAR' === $meta_type ) { $sql_chunks['where'][] = "$alias.meta_value {$meta_compare} {$where}"; } else { $sql_chunks['where'][] = "CAST($alias.meta_value AS {$meta_type}) {$meta_compare} {$where}"; } } } /* * Multiple WHERE clauses (for meta_key and meta_value) should * be joined in parentheses. */ if ( 1 < count( $sql_chunks['where'] ) ) { $sql_chunks['where'] = array( '( ' . implode( ' AND ', $sql_chunks['where'] ) . ' )' ); } return $sql_chunks; } /** * Gets a flattened list of sanitized meta clauses. * * This array should be used for clause lookup, as when the table alias and CAST type must be determined for * a value of 'orderby' corresponding to a meta clause. * * @since 4.2.0 * * @return array Meta clauses. */ public function get_clauses() { return $this->clauses; } /** * Identifies an existing table alias that is compatible with the current * query clause. * * We avoid unnecessary table joins by allowing each clause to look for * an existing table alias that is compatible with the query that it * needs to perform. * * An existing alias is compatible if (a) it is a sibling of `$clause` * (ie, it's under the scope of the same relation), and (b) the combination * of operator and relation between the clauses allows for a shared table join. * In the case of WP_Meta_Query, this only applies to 'IN' clauses that are * connected by the relation 'OR'. * * @since 4.1.0 * * @param array $clause Query clause. * @param array $parent_query Parent query of $clause. * @return string|false Table alias if found, otherwise false. */ protected function find_compatible_table_alias( $clause, $parent_query ) { $alias = false; foreach ( $parent_query as $sibling ) { // If the sibling has no alias yet, there's nothing to check. if ( empty( $sibling['alias'] ) ) { continue; } // We're only interested in siblings that are first-order clauses. if ( ! is_array( $sibling ) || ! $this->is_first_order_clause( $sibling ) ) { continue; } $compatible_compares = array(); // Clauses connected by OR can share joins as long as they have "positive" operators. if ( 'OR' === $parent_query['relation'] ) { $compatible_compares = array( '=', 'IN', 'BETWEEN', 'LIKE', 'REGEXP', 'RLIKE', '>', '>=', '<', '<=' ); // Clauses joined by AND with "negative" operators share a join only if they also share a key. } elseif ( isset( $sibling['key'] ) && isset( $clause['key'] ) && $sibling['key'] === $clause['key'] ) { $compatible_compares = array( '!=', 'NOT IN', 'NOT LIKE' ); } $clause_compare = strtoupper( $clause['compare'] ); $sibling_compare = strtoupper( $sibling['compare'] ); if ( in_array( $clause_compare, $compatible_compares, true ) && in_array( $sibling_compare, $compatible_compares, true ) ) { $alias = preg_replace( '/\W/', '_', $sibling['alias'] ); break; } } /** * Filters the table alias identified as compatible with the current clause. * * @since 4.1.0 * * @param string|false $alias Table alias, or false if none was found. * @param array $clause First-order query clause. * @param array $parent_query Parent of $clause. * @param WP_Meta_Query $query WP_Meta_Query object. */ return apply_filters( 'meta_query_find_compatible_table_alias', $alias, $clause, $parent_query, $this ); } /** * Checks whether the current query has any OR relations. * * In some cases, the presence of an OR relation somewhere in the query will require * the use of a `DISTINCT` or `GROUP BY` keyword in the `SELECT` clause. The current * method can be used in these cases to determine whether such a clause is necessary. * * @since 4.3.0 * * @return bool True if the query contains any `OR` relations, otherwise false. */ public function has_or_relation() { return $this->has_or_relation; } } } // Return null if $date_gmt is empty/zeros. if ( '0000-00-00 00:00:00' === $date_gmt ) { return null; } // Return the formatted datetime. return mysql_to_rfc3339( $date_gmt ); } /** * Prepares a single post for create or update. * * @since 4.7.0 * * @param WP_REST_Request $request Request object. * @return stdClass|WP_Error Post object or WP_Error. */ protected function prepare_item_for_database( $request ) { $prepared_post = new stdClass(); $current_status = ''; // Post ID. if ( isset( $request['id'] ) ) { $existing_post = $this->get_post( $request['id'] ); if ( is_wp_error( $existing_post ) ) { return $existing_post; } $prepared_post->ID = $existing_post->ID; $current_status = $existing_post->post_status; } $schema = $this->get_item_schema(); // Post title. if ( ! empty( $schema['properties']['title'] ) && isset( $request['title'] ) ) { if ( is_string( $request['title'] ) ) { $prepared_post->post_title = $request['title']; } elseif ( ! empty( $request['title']['raw'] ) ) { $prepared_post->post_title = $request['title']['raw']; } } // Post content. if ( ! empty( $schema['properties']['content'] ) && isset( $request['content'] ) ) { if ( is_string( $request['content'] ) ) { $prepared_post->post_content = $request['content']; } elseif ( isset( $request['content']['raw'] ) ) { $prepared_post->post_content = $request['content']['raw']; } } // Post excerpt. if ( ! empty( $schema['properties']['excerpt'] ) && isset( $request['excerpt'] ) ) { if ( is_string( $request['excerpt'] ) ) { $prepared_post->post_excerpt = $request['excerpt']; } elseif ( isset( $request['excerpt']['raw'] ) ) { $prepared_post->post_excerpt = $request['excerpt']['raw']; } } // Post type. if ( empty( $request['id'] ) ) { // Creating new post, use default type for the controller. $prepared_post->post_type = $this->post_type; } else { // Updating a post, use previous type. $prepared_post->post_type = get_post_type( $request['id'] ); } $post_type = get_post_type_object( $prepared_post->post_type ); // Post status. if ( ! empty( $schema['properties']['status'] ) && isset( $request['status'] ) && ( ! $current_status || $current_status !== $request['status'] ) ) { $status = $this->handle_status_param( $request['status'], $post_type ); if ( is_wp_error( $status ) ) { return $status; } $prepared_post->post_status = $status; } // Post date. if ( ! empty( $schema['properties']['date'] ) && ! empty( $request['date'] ) ) { $current_date = isset( $prepared_post->ID ) ? get_post( $prepared_post->ID )->post_date : false; $date_data = rest_get_date_with_gmt( $request['date'] ); if ( ! empty( $date_data ) && $current_date !== $date_data[0] ) { list( $prepared_post->post_date, $prepared_post->post_date_gmt ) = $date_data; $prepared_post->edit_date = true; } } elseif ( ! empty( $schema['properties']['date_gmt'] ) && ! empty( $request['date_gmt'] ) ) { $current_date = isset( $prepared_post->ID ) ? get_post( $prepared_post->ID )->post_date_gmt : false; $date_data = rest_get_date_with_gmt( $request['date_gmt'], true ); if ( ! empty( $date_data ) && $current_date !== $date_data[1] ) { list( $prepared_post->post_date, $prepared_post->post_date_gmt ) = $date_data; $prepared_post->edit_date = true; } } /* * Sending a null date or date_gmt value resets date and date_gmt to their * default values (`0000-00-00 00:00:00`). */ if ( ( ! empty( $schema['properties']['date_gmt'] ) && $request->has_param( 'date_gmt' ) && null === $request['date_gmt'] ) || ( ! empty( $schema['properties']['date'] ) && $request->has_param( 'date' ) && null === $request['date'] ) ) { $prepared_post->post_date_gmt = null; $prepared_post->post_date = null; } // Post slug. if ( ! empty( $schema['properties']['slug'] ) && isset( $request['slug'] ) ) { $prepared_post->post_name = $request['slug']; } // Author. if ( ! empty( $schema['properties']['author'] ) && ! empty( $request['author'] ) ) { $post_author = (int) $request['author']; if ( get_current_user_id() !== $post_author ) { $user_obj = get_userdata( $post_author ); if ( ! $user_obj ) { return new WP_Error( 'rest_invalid_author', __( 'Invalid author ID.' ), array( 'status' => 400 ) ); } } $prepared_post->post_author = $post_author; } // Post password. if ( ! empty( $schema['properties']['password'] ) && isset( $request['password'] ) ) { $prepared_post->post_password = $request['password']; if ( '' !== $request['password'] ) { if ( ! empty( $schema['properties']['sticky'] ) && ! empty( $request['sticky'] ) ) { return new WP_Error( 'rest_invalid_field', __( 'A post can not be sticky and have a password.' ), array( 'status' => 400 ) ); } if ( ! empty( $prepared_post->ID ) && is_sticky( $prepared_post->ID ) ) { return new WP_Error( 'rest_invalid_field', __( 'A sticky post can not be password protected.' ), array( 'status' => 400 ) ); } } } if ( ! empty( $schema['properties']['sticky'] ) && ! empty( $request['sticky'] ) ) { if ( ! empty( $prepared_post->ID ) && post_password_required( $prepared_post->ID ) ) { return new WP_Error( 'rest_invalid_field', __( 'A password protected post can not be set to sticky.' ), array( 'status' => 400 ) ); } } // Parent. if ( ! empty( $schema['properties']['parent'] ) && isset( $request['parent'] ) ) { if ( 0 === (int) $request['parent'] ) { $prepared_post->post_parent = 0; } else { $parent = get_post( (int) $request['parent'] ); if ( empty( $parent ) ) { return new WP_Error( 'rest_post_invalid_id', __( 'Invalid post parent ID.' ), array( 'status' => 400 ) ); } $prepared_post->post_parent = (int) $parent->ID; } } // Menu order. if ( ! empty( $schema['properties']['menu_order'] ) && isset( $request['menu_order'] ) ) { $prepared_post->menu_order = (int) $request['menu_order']; } // Comment status. if ( ! empty( $schema['properties']['comment_status'] ) && ! empty( $request['comment_status'] ) ) { $prepared_post->comment_status = $request['comment_status']; } // Ping status. if ( ! empty( $schema['properties']['ping_status'] ) && ! empty( $request['ping_status'] ) ) { $prepared_post->ping_status = $request['ping_status']; } if ( ! empty( $schema['properties']['template'] ) ) { // Force template to null so that it can be handled exclusively by the REST controller. $prepared_post->page_template = null; } /** * Filters a post before it is inserted via the REST API. * * The dynamic portion of the hook name, `$this->post_type`, refers to the post type slug. * * Possible hook names include: * * - `rest_pre_insert_post` * - `rest_pre_insert_page` * - `rest_pre_insert_attachment` * * @since 4.7.0 * * @param stdClass $prepared_post An object representing a single post prepared * for inserting or updating the database. * @param WP_REST_Request $request Request object. */ return apply_filters( "rest_pre_insert_{$this->post_type}", $prepared_post, $request ); } /** * Checks whether the status is valid for the given post. * * Allows for sending an update request with the current status, even if that status would not be acceptable. * * @since 5.6.0 * * @param string $status The provided status. * @param WP_REST_Request $request The request object. * @param string $param The parameter name. * @return true|WP_Error True if the status is valid, or WP_Error if not. */ public function check_status( $status, $request, $param ) { if ( $request['id'] ) { $post = $this->get_post( $request['id'] ); if ( ! is_wp_error( $post ) && $post->post_status === $status ) { return true; } } $args = $request->get_attributes()['args'][ $param ]; return rest_validate_value_from_schema( $status, $args, $param ); } /** * Determines validity and normalizes the given status parameter. * * @since 4.7.0 * * @param string $post_status Post status. * @param WP_Post_Type $post_type Post type. * @return string|WP_Error Post status or WP_Error if lacking the proper permission. */ protected function handle_status_param( $post_status, $post_type ) { switch ( $post_status ) { case 'draft': case 'pending': break; case 'private': if ( ! current_user_can( $post_type->cap->publish_posts ) ) { return new WP_Error( 'rest_cannot_publish', __( 'Sorry, you are not allowed to create private posts in this post type.' ), array( 'status' => rest_authorization_required_code() ) ); } break; case 'publish': case 'future': if ( ! current_user_can( $post_type->cap->publish_posts ) ) { return new WP_Error( 'rest_cannot_publish', __( 'Sorry, you are not allowed to publish posts in this post type.' ), array( 'status' => rest_authorization_required_code() ) ); } break; default: if ( ! get_post_status_object( $post_status ) ) { $post_status = 'draft'; } break; } return $post_status; } /** * Determines the featured media based on a request param. * * @since 4.7.0 * * @param int $featured_media Featured Media ID. * @param int $post_id Post ID. * @return bool|WP_Error Whether the post thumbnail was successfully deleted, otherwise WP_Error. */ protected function handle_featured_media( $featured_media, $post_id ) { $featured_media = (int) $featured_media; if ( $featured_media ) { $result = set_post_thumbnail( $post_id, $featured_media ); if ( $result ) { return true; } else { return new WP_Error( 'rest_invalid_featured_media', __( 'Invalid featured media ID.' ), array( 'status' => 400 ) ); } } else { return delete_post_thumbnail( $post_id ); } } /** * Checks whether the template is valid for the given post. * * @since 4.9.0 * * @param string $template Page template filename. * @param WP_REST_Request $request Request. * @return true|WP_Error True if template is still valid or if the same as existing value, or a WP_Error if template not supported. */ public function check_template( $template, $request ) { if ( ! $template ) { return true; } if ( $request['id'] ) { $post = get_post( $request['id'] ); $current_template = get_page_template_slug( $request['id'] ); } else { $post = null; $current_template = ''; } // Always allow for updating a post to the same template, even if that template is no longer supported. if ( $template === $current_template ) { return true; } // If this is a create request, get_post() will return null and wp theme will fallback to the passed post type. $allowed_templates = wp_get_theme()->get_page_templates( $post, $this->post_type ); if ( isset( $allowed_templates[ $template ] ) ) { return true; } return new WP_Error( 'rest_invalid_param', /* translators: 1: Parameter, 2: List of valid values. */ sprintf( __( '%1$s is not one of %2$s.' ), 'template', implode( ', ', array_keys( $allowed_templates ) ) ) ); } /** * Sets the template for a post. * * @since 4.7.0 * @since 4.9.0 Added the `$validate` parameter. * * @param string $template Page template filename. * @param int $post_id Post ID. * @param bool $validate Whether to validate that the template selected is valid. */ public function handle_template( $template, $post_id, $validate = false ) { if ( $validate && ! array_key_exists( $template, wp_get_theme()->get_page_templates( get_post( $post_id ) ) ) ) { $template = ''; } update_post_meta( $post_id, '_wp_page_template', $template ); } /** * Updates the post's terms from a REST request. * * @since 4.7.0 * * @param int $post_id The post ID to update the terms form. * @param WP_REST_Request $request The request object with post and terms data. * @return null|WP_Error WP_Error on an error assigning any of the terms, otherwise null. */ protected function handle_terms( $post_id, $request ) { $taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) ); foreach ( $taxonomies as $taxonomy ) { $base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name; if ( ! isset( $request[ $base ] ) ) { continue; } $result = wp_set_object_terms( $post_id, $request[ $base ], $taxonomy->name ); if ( is_wp_error( $result ) ) { return $result; } } } /** * Checks whether current user can assign all terms sent with the current request. * * @since 4.7.0 * * @param WP_REST_Request $request The request object with post and terms data. * @return bool Whether the current user can assign the provided terms. */ protected function check_assign_terms_permission( $request ) { $taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) ); foreach ( $taxonomies as $taxonomy ) { $base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name; if ( ! isset( $request[ $base ] ) ) { continue; } foreach ( (array) $request[ $base ] as $term_id ) { // Invalid terms will be rejected later. if ( ! get_term( $term_id, $taxonomy->name ) ) { continue; } if ( ! current_user_can( 'assign_term', (int) $term_id ) ) { return false; } } } return true; } /** * Checks if a given post type can be viewed or managed. * * @since 4.7.0 * * @param WP_Post_Type|string $post_type Post type name or object. * @return bool Whether the post type is allowed in REST. */ protected function check_is_post_type_allowed( $post_type ) { if ( ! is_object( $post_type ) ) { $post_type = get_post_type_object( $post_type ); } if ( ! empty( $post_type ) && ! empty( $post_type->show_in_rest ) ) { return true; } return false; } /** * Checks if a post can be read. * * Correctly handles posts with the inherit status. * * @since 4.7.0 * * @param WP_Post $post Post object. * @return bool Whether the post can be read. */ public function check_read_permission( $post ) { $post_type = get_post_type_object( $post->post_type ); if ( ! $this->check_is_post_type_allowed( $post_type ) ) { return false; } // Is the post readable? if ( 'publish' === $post->post_status || current_user_can( 'read_post', $post->ID ) ) { return true; } $post_status_obj = get_post_status_object( $post->post_status ); if ( $post_status_obj && $post_status_obj->public ) { return true; } // Can we read the parent if we're inheriting? if ( 'inherit' === $post->post_status && $post->post_parent > 0 ) { $parent = get_post( $post->post_parent ); if ( $parent ) { return $this->check_read_permission( $parent ); } } /* * If there isn't a parent, but the status is set to inherit, assume * it's published (as per get_post_status()). */ if ( 'inherit' === $post->post_status ) { return true; } return false; } /** * Checks if a post can be edited. * * @since 4.7.0 * * @param WP_Post $post Post object. * @return bool Whether the post can be edited. */ protected function check_update_permission( $post ) { $post_type = get_post_type_object( $post->post_type ); if ( ! $this->check_is_post_type_allowed( $post_type ) ) { return false; } return current_user_can( 'edit_post', $post->ID ); } /** * Checks if a post can be created. * * @since 4.7.0 * * @param WP_Post $post Post object. * @return bool Whether the post can be created. */ protected function check_create_permission( $post ) { $post_type = get_post_type_object( $post->post_type ); if ( ! $this->check_is_post_type_allowed( $post_type ) ) { return false; } return current_user_can( $post_type->cap->create_posts ); } /** * Checks if a post can be deleted. * * @since 4.7.0 * * @param WP_Post $post Post object. * @return bool Whether the post can be deleted. */ protected function check_delete_permission( $post ) { $post_type = get_post_type_object( $post->post_type ); if ( ! $this->check_is_post_type_allowed( $post_type ) ) { return false; } return current_user_can( 'delete_post', $post->ID ); } /** * Prepares a single post output for response. * * @since 4.7.0 * @since 5.9.0 Renamed `$post` to `$item` to match parent class for PHP 8 named parameter support. * * @global WP_Post $post Global post object. * * @param WP_Post $item Post object. * @param WP_REST_Request $request Request object. * @return WP_REST_Response Response object. */ public function prepare_item_for_response( $item, $request ) { // Restores the more descriptive, specific name for use within this method. $post = $item; $GLOBALS['post'] = $post; setup_postdata( $post ); $fields = $this->get_fields_for_response( $request ); // Base fields for every post. $data = array(); if ( rest_is_field_included( 'id', $fields ) ) { $data['id'] = $post->ID; } if ( rest_is_field_included( 'date', $fields ) ) { $data['date'] = $this->prepare_date_response( $post->post_date_gmt, $post->post_date ); } if ( rest_is_field_included( 'date_gmt', $fields ) ) { /* * For drafts, `post_date_gmt` may not be set, indicating that the date * of the draft should be updated each time it is saved (see #38883). * In this case, shim the value based on the `post_date` field * with the site's timezone offset applied. */ if ( '0000-00-00 00:00:00' === $post->post_date_gmt ) { $post_date_gmt = get_gmt_from_date( $post->post_date ); } else { $post_date_gmt = $post->post_date_gmt; } $data['date_gmt'] = $this->prepare_date_response( $post_date_gmt ); } if ( rest_is_field_included( 'guid', $fields ) ) { $data['guid'] = array( /** This filter is documented in wp-includes/post-template.php */ 'rendered' => apply_filters( 'get_the_guid', $post->guid, $post->ID ), 'raw' => $post->guid, ); } if ( rest_is_field_included( 'modified', $fields ) ) { $data['modified'] = $this->prepare_date_response( $post->post_modified_gmt, $post->post_modified ); } if ( rest_is_field_included( 'modified_gmt', $fields ) ) { /* * For drafts, `post_modified_gmt` may not be set (see `post_date_gmt` comments * above). In this case, shim the value based on the `post_modified` field * with the site's timezone offset applied. */ if ( '0000-00-00 00:00:00' === $post->post_modified_gmt ) { $post_modified_gmt = gmdate( 'Y-m-d H:i:s', strtotime( $post->post_modified ) - (int) ( (float) get_option( 'gmt_offset' ) * HOUR_IN_SECONDS ) ); } else { $post_modified_gmt = $post->post_modified_gmt; } $data['modified_gmt'] = $this->prepare_date_response( $post_modified_gmt ); } if ( rest_is_field_included( 'password', $fields ) ) { $data['password'] = $post->post_password; } if ( rest_is_field_included( 'slug', $fields ) ) { $data['slug'] = $post->post_name; } if ( rest_is_field_included( 'status', $fields ) ) { $data['status'] = $post->post_status; } if ( rest_is_field_included( 'type', $fields ) ) { $data['type'] = $post->post_type; } if ( rest_is_field_included( 'link', $fields ) ) { $data['link'] = get_permalink( $post->ID ); } if ( rest_is_field_included( 'title', $fields ) ) { $data['title'] = array(); } if ( rest_is_field_included( 'title.raw', $fields ) ) { $data['title']['raw'] = $post->post_title; } if ( rest_is_field_included( 'title.rendered', $fields ) ) { add_filter( 'protected_title_format', array( $this, 'protected_title_format' ) ); add_filter( 'private_title_format', array( $this, 'protected_title_format' ) ); $data['title']['rendered'] = get_the_title( $post->ID ); remove_filter( 'protected_title_format', array( $this, 'protected_title_format' ) ); remove_filter( 'private_title_format', array( $this, 'protected_title_format' ) ); } $has_password_filter = false; if ( $this->can_access_password_content( $post, $request ) ) { $this->password_check_passed[ $post->ID ] = true; // Allow access to the post, permissions already checked before. add_filter( 'post_password_required', array( $this, 'check_password_required' ), 10, 2 ); $has_password_filter = true; } if ( rest_is_field_included( 'content', $fields ) ) { $data['content'] = array(); } if ( rest_is_field_included( 'content.raw', $fields ) ) { $data['content']['raw'] = $post->post_content; } if ( rest_is_field_included( 'content.rendered', $fields ) ) { /** This filter is documented in wp-includes/post-template.php */ $data['content']['rendered'] = post_password_required( $post ) ? '' : apply_filters( 'the_content', $post->post_content ); } if ( rest_is_field_included( 'content.protected', $fields ) ) { $data['content']['protected'] = (bool) $post->post_password; } if ( rest_is_field_included( 'content.block_version', $fields ) ) { $data['content']['block_version'] = block_version( $post->post_content ); } if ( rest_is_field_included( 'excerpt', $fields ) ) { if ( isset( $request['excerpt_length'] ) ) { $excerpt_length = $request['excerpt_length']; $override_excerpt_length = static function () use ( $excerpt_length ) { return $excerpt_length; }; add_filter( 'excerpt_length', $override_excerpt_length, 20 ); } /** This filter is documented in wp-includes/post-template.php */ $excerpt = apply_filters( 'get_the_excerpt', $post->post_excerpt, $post ); /** This filter is documented in wp-includes/post-template.php */ $excerpt = apply_filters( 'the_excerpt', $excerpt ); $data['excerpt'] = array( 'raw' => $post->post_excerpt, 'rendered' => post_password_required( $post ) ? '' : $excerpt, 'protected' => (bool) $post->post_password, ); if ( isset( $override_excerpt_length ) ) { remove_filter( 'excerpt_length', $override_excerpt_length, 20 ); } } if ( $has_password_filter ) { // Reset filter. remove_filter( 'post_password_required', array( $this, 'check_password_required' ) ); } if ( rest_is_field_included( 'author', $fields ) ) { $data['author'] = (int) $post->post_author; } if ( rest_is_field_included( 'featured_media', $fields ) ) { $data['featured_media'] = (int) get_post_thumbnail_id( $post->ID ); } if ( rest_is_field_included( 'parent', $fields ) ) { $data['parent'] = (int) $post->post_parent; } if ( rest_is_field_included( 'menu_order', $fields ) ) { $data['menu_order'] = (int) $post->menu_order; } if ( rest_is_field_included( 'comment_status', $fields ) ) { $data['comment_status'] = $post->comment_status; } if ( rest_is_field_included( 'ping_status', $fields ) ) { $data['ping_status'] = $post->ping_status; } if ( rest_is_field_included( 'sticky', $fields ) ) { $data['sticky'] = is_sticky( $post->ID ); } if ( rest_is_field_included( 'template', $fields ) ) { $template = get_page_template_slug( $post->ID ); if ( $template ) { $data['template'] = $template; } else { $data['template'] = ''; } } if ( rest_is_field_included( 'format', $fields ) ) { $data['format'] = get_post_format( $post->ID ); // Fill in blank post format. if ( empty( $data['format'] ) ) { $data['format'] = 'standard'; } } if ( rest_is_field_included( 'meta', $fields ) ) { $data['meta'] = $this->meta->get_value( $post->ID, $request ); } $taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) ); foreach ( $taxonomies as $taxonomy ) { $base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name; if ( rest_is_field_included( $base, $fields ) ) { $terms = get_the_terms( $post, $taxonomy->name ); $data[ $base ] = $terms ? array_values( wp_list_pluck( $terms, 'term_id' ) ) : array(); } } $post_type_obj = get_post_type_object( $post->post_type ); if ( is_post_type_viewable( $post_type_obj ) && $post_type_obj->public ) { $permalink_template_requested = rest_is_field_included( 'permalink_template', $fields ); $generated_slug_requested = rest_is_field_included( 'generated_slug', $fields ); if ( $permalink_template_requested || $generated_slug_requested ) { if ( ! function_exists( 'get_sample_permalink' ) ) { require_once ABSPATH . 'wp-admin/includes/post.php'; } $sample_permalink = get_sample_permalink( $post->ID, $post->post_title, '' ); if ( $permalink_template_requested ) { $data['permalink_template'] = $sample_permalink[0]; } if ( $generated_slug_requested ) { $data['generated_slug'] = $sample_permalink[1]; } } if ( rest_is_field_included( 'class_list', $fields ) ) { $data['class_list'] = get_post_class( array(), $post->ID ); } } $context = ! empty( $request['context'] ) ? $request['context'] : 'view'; $data = $this->add_additional_fields_to_object( $data, $request ); $data = $this->filter_response_by_context( $data, $context ); // Wrap the data in a response object. $response = rest_ensure_response( $data ); if ( rest_is_field_included( '_links', $fields ) || rest_is_field_included( '_embedded', $fields ) ) { $links = $this->prepare_links( $post ); $response->add_links( $links ); if ( ! empty( $links['self']['href'] ) ) { $actions = $this->get_available_actions( $post, $request ); $self = $links['self']['href']; foreach ( $actions as $rel ) { $response->add_link( $rel, $self ); } } } /** * Filters the post data for a REST API response. * * The dynamic portion of the hook name, `$this->post_type`, refers to the post type slug. * * Possible hook names include: * * - `rest_prepare_post` * - `rest_prepare_page` * - `rest_prepare_attachment` * * @since 4.7.0 * * @param WP_REST_Response $response The response object. * @param WP_Post $post Post object. * @param WP_REST_Request $request Request object. */ return apply_filters( "rest_prepare_{$this->post_type}", $response, $post, $request ); } /** * Overwrites the default protected and private title format. * * By default, WordPress will show password protected or private posts with a title of * "Protected: %s" or "Private: %s", as the REST API communicates the status of a post * in a machine-readable format, we remove the prefix. * * @since 4.7.0 * * @return string Title format. */ public function protected_title_format() { return '%s'; } /** * Prepares links for the request. * * @since 4.7.0 * * @param WP_Post $post Post object. * @return array Links for the given post. */ protected function prepare_links( $post ) { // Entity meta. $links = array( 'self' => array( 'href' => rest_url( rest_get_route_for_post( $post->ID ) ), ), 'collection' => array( 'href' => rest_url( rest_get_route_for_post_type_items( $this->post_type ) ), ), 'about' => array( 'href' => rest_url( 'wp/v2/types/' . $this->post_type ), ), ); if ( ( in_array( $post->post_type, array( 'post', 'page' ), true ) || post_type_supports( $post->post_type, 'author' ) ) && ! empty( $post->post_author ) ) { $links['author'] = array( 'href' => rest_url( 'wp/v2/users/' . $post->post_author ), 'embeddable' => true, ); } if ( in_array( $post->post_type, array( 'post', 'page' ), true ) || post_type_supports( $post->post_type, 'comments' ) ) { $replies_url = rest_url( 'wp/v2/comments' ); $replies_url = add_query_arg( 'post', $post->ID, $replies_url ); $links['replies'] = array( 'href' => $replies_url, 'embeddable' => true, ); } if ( in_array( $post->post_type, array( 'post', 'page' ), true ) || post_type_supports( $post->post_type, 'revisions' ) ) { $revisions = wp_get_latest_revision_id_and_total_count( $post->ID ); $revisions_count = ! is_wp_error( $revisions ) ? $revisions['count'] : 0; $revisions_base = sprintf( '/%s/%s/%d/revisions', $this->namespace, $this->rest_base, $post->ID ); $links['version-history'] = array( 'href' => rest_url( $revisions_base ), 'count' => $revisions_count, ); if ( $revisions_count > 0 ) { $links['predecessor-version'] = array( 'href' => rest_url( $revisions_base . '/' . $revisions['latest_id'] ), 'id' => $revisions['latest_id'], ); } } $post_type_obj = get_post_type_object( $post->post_type ); if ( $post_type_obj->hierarchical && ! empty( $post->post_parent ) ) { $links['up'] = array( 'href' => rest_url( rest_get_route_for_post( $post->post_parent ) ), 'embeddable' => true, ); } // If we have a featured media, add that. $featured_media = get_post_thumbnail_id( $post->ID ); if ( $featured_media ) { $image_url = rest_url( rest_get_route_for_post( $featured_media ) ); $links['https://api.w.org/featuredmedia'] = array( 'href' => $image_url, 'embeddable' => true, ); } if ( ! in_array( $post->post_type, array( 'attachment', 'nav_menu_item', 'revision' ), true ) ) { $attachments_url = rest_url( rest_get_route_for_post_type_items( 'attachment' ) ); $attachments_url = add_query_arg( 'parent', $post->ID, $attachments_url ); $links['https://api.w.org/attachment'] = array( 'href' => $attachments_url, ); } $taxonomies = get_object_taxonomies( $post->post_type ); if ( ! empty( $taxonomies ) ) { $links['https://api.w.org/term'] = array(); foreach ( $taxonomies as $tax ) { $taxonomy_route = rest_get_route_for_taxonomy_items( $tax ); // Skip taxonomies that are not public. if ( empty( $taxonomy_route ) ) { continue; } $terms_url = add_query_arg( 'post', $post->ID, rest_url( $taxonomy_route ) ); $links['https://api.w.org/term'][] = array( 'href' => $terms_url, 'taxonomy' => $tax, 'embeddable' => true, ); } } return $links; } /** * Gets the link relations available for the post and current user. * * @since 4.9.8 * * @param WP_Post $post Post object. * @param WP_REST_Request $request Request object. * @return array List of link relations. */ protected function get_available_actions( $post, $request ) { if ( 'edit' !== $request['context'] ) { return array(); } $rels = array(); $post_type = get_post_type_object( $post->post_type ); if ( 'attachment' !== $this->post_type && current_user_can( $post_type->cap->publish_posts ) ) { $rels[] = 'https://api.w.org/action-publish'; } if ( current_user_can( 'unfiltered_html' ) ) { $rels[] = 'https://api.w.org/action-unfiltered-html'; } if ( 'post' === $post_type->name ) { if ( current_user_can( $post_type->cap->edit_others_posts ) && current_user_can( $post_type->cap->publish_posts ) ) { $rels[] = 'https://api.w.org/action-sticky'; } } if ( post_type_supports( $post_type->name, 'author' ) ) { if ( current_user_can( $post_type->cap->edit_others_posts ) ) { $rels[] = 'https://api.w.org/action-assign-author'; } } $taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) ); foreach ( $taxonomies as $tax ) { $tax_base = ! empty( $tax->rest_base ) ? $tax->rest_base : $tax->name; $create_cap = is_taxonomy_hierarchical( $tax->name ) ? $tax->cap->edit_terms : $tax->cap->assign_terms; if ( current_user_can( $create_cap ) ) { $rels[] = 'https://api.w.org/action-create-' . $tax_base; } if ( current_user_can( $tax->cap->assign_terms ) ) { $rels[] = 'https://api.w.org/action-assign-' . $tax_base; } } return $rels; } /** * Retrieves the post's schema, conforming to JSON Schema. * * @since 4.7.0 * * @return array Item schema data. */ public function get_item_schema() { if ( $this->schema ) { return $this->add_additional_fields_schema( $this->schema ); } $schema = array( '$schema' => 'http://json-schema.org/draft-04/schema#', 'title' => $this->post_type, 'type' => 'object', // Base properties for every Post. 'properties' => array( 'date' => array( 'description' => __( "The date the post was published, in the site's timezone." ), 'type' => array( 'string', 'null' ), 'format' => 'date-time', 'context' => array( 'view', 'edit', 'embed' ), ), 'date_gmt' => array( 'description' => __( 'The date the post was published, as GMT.' ), 'type' => array( 'string', 'null' ), 'format' => 'date-time', 'context' => array( 'view', 'edit' ), ), 'guid' => array( 'description' => __( 'The globally unique identifier for the post.' ), 'type' => 'object', 'context' => array( 'view', 'edit' ), 'readonly' => true, 'properties' => array( 'raw' => array( 'description' => __( 'GUID for the post, as it exists in the database.' ), 'type' => 'string', 'context' => array( 'edit' ), 'readonly' => true, ), 'rendered' => array( 'description' => __( 'GUID for the post, transformed for display.' ), 'type' => 'string', 'context' => array( 'view', 'edit' ), 'readonly' => true, ), ), ), 'id' => array( 'description' => __( 'Unique identifier for the post.' ), 'type' => 'integer', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ), 'link' => array( 'description' => __( 'URL to the post.' ), 'type' => 'string', 'format' => 'uri', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ), 'modified' => array( 'description' => __( "The date the post was last modified, in the site's timezone." ), 'type' => 'string', 'format' => 'date-time', 'context' => array( 'view', 'edit' ), 'readonly' => true, ), 'modified_gmt' => array( 'description' => __( 'The date the post was last modified, as GMT.' ), 'type' => 'string', 'format' => 'date-time', 'context' => array( 'view', 'edit' ), 'readonly' => true, ), 'slug' => array( 'description' => __( 'An alphanumeric identifier for the post unique to its type.' ), 'type' => 'string', 'context' => array( 'view', 'edit', 'embed' ), 'arg_options' => array( 'sanitize_callback' => array( $this, 'sanitize_slug' ), ), ), 'status' => array( 'description' => __( 'A named status for the post.' ), 'type' => 'string', 'enum' => array_keys( get_post_stati( array( 'internal' => false ) ) ), 'context' => array( 'view', 'edit' ), 'arg_options' => array( 'validate_callback' => array( $this, 'check_status' ), ), ), 'type' => array( 'description' => __( 'Type of post.' ), 'type' => 'string', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ), 'password' => array( 'description' => __( 'A password to protect access to the content and excerpt.' ), 'type' => 'string', 'context' => array( 'edit' ), ), ), ); $post_type_obj = get_post_type_object( $this->post_type ); if ( is_post_type_viewable( $post_type_obj ) && $post_type_obj->public ) { $schema['properties']['permalink_template'] = array( 'description' => __( 'Permalink template for the post.' ), 'type' => 'string', 'context' => array( 'edit' ), 'readonly' => true, ); $schema['properties']['generated_slug'] = array( 'description' => __( 'Slug automatically generated from the post title.' ), 'type' => 'string', 'context' => array( 'edit' ), 'readonly' => true, ); $schema['properties']['class_list'] = array( 'description' => __( 'An array of the class names for the post container element.' ), 'type' => 'array', 'context' => array( 'view', 'edit' ), 'readonly' => true, 'items' => array( 'type' => 'string', ), ); } if ( $post_type_obj->hierarchical ) { $schema['properties']['parent'] = array( 'description' => __( 'The ID for the parent of the post.' ), 'type' => 'integer', 'context' => array( 'view', 'edit' ), ); } $post_type_attributes = array( 'title', 'editor', 'author', 'excerpt', 'thumbnail', 'comments', 'revisions', 'page-attributes', 'post-formats', 'custom-fields', ); $fixed_schemas = array( 'post' => array( 'title', 'editor', 'author', 'excerpt', 'thumbnail', 'comments', 'revisions', 'post-formats', 'custom-fields', ), 'page' => array( 'title', 'editor', 'author', 'excerpt', 'thumbnail', 'comments', 'revisions', 'page-attributes', 'custom-fields', ), 'attachment' => array( 'title', 'author', 'comments', 'revisions', 'custom-fields', 'thumbnail', ), ); foreach ( $post_type_attributes as $attribute ) { if ( isset( $fixed_schemas[ $this->post_type ] ) && ! in_array( $attribute, $fixed_schemas[ $this->post_type ], true ) ) { continue; } elseif ( ! isset( $fixed_schemas[ $this->post_type ] ) && ! post_type_supports( $this->post_type, $attribute ) ) { continue; } switch ( $attribute ) { case 'title': $schema['properties']['title'] = array( 'description' => __( 'The title for the post.' ), 'type' => 'object', 'context' => array( 'view', 'edit', 'embed' ), 'arg_options' => array( 'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database(). 'validate_callback' => null, // Note: validation implemented in self::prepare_item_for_database(). ), 'properties' => array( 'raw' => array( 'description' => __( 'Title for the post, as it exists in the database.' ), 'type' => 'string', 'context' => array( 'edit' ), ), 'rendered' => array( 'description' => __( 'HTML title for the post, transformed for display.' ), 'type' => 'string', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ), ), ); break; case 'editor': $schema['properties']['content'] = array( 'description' => __( 'The content for the post.' ), 'type' => 'object', 'context' => array( 'view', 'edit' ), 'arg_options' => array( 'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database(). 'validate_callback' => null, // Note: validation implemented in self::prepare_item_for_database(). ), 'properties' => array( 'raw' => array( 'description' => __( 'Content for the post, as it exists in the database.' ), 'type' => 'string', 'context' => array( 'edit' ), ), 'rendered' => array( 'description' => __( 'HTML content for the post, transformed for display.' ), 'type' => 'string', 'context' => array( 'view', 'edit' ), 'readonly' => true, ), 'block_version' => array( 'description' => __( 'Version of the content block format used by the post.' ), 'type' => 'integer', 'context' => array( 'edit' ), 'readonly' => true, ), 'protected' => array( 'description' => __( 'Whether the content is protected with a password.' ), 'type' => 'boolean', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ), ), ); break; case 'author': $schema['properties']['author'] = array( 'description' => __( 'The ID for the author of the post.' ), 'type' => 'integer', 'context' => array( 'view', 'edit', 'embed' ), ); break; case 'excerpt': $schema['properties']['excerpt'] = array( 'description' => __( 'The excerpt for the post.' ), 'type' => 'object', 'context' => array( 'view', 'edit', 'embed' ), 'arg_options' => array( 'sanitize_callback' => null, // Note: sanitization implemented in self::prepare_item_for_database(). 'validate_callback' => null, // Note: validation implemented in self::prepare_item_for_database(). ), 'properties' => array( 'raw' => array( 'description' => __( 'Excerpt for the post, as it exists in the database.' ), 'type' => 'string', 'context' => array( 'edit' ), ), 'rendered' => array( 'description' => __( 'HTML excerpt for the post, transformed for display.' ), 'type' => 'string', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ), 'protected' => array( 'description' => __( 'Whether the excerpt is protected with a password.' ), 'type' => 'boolean', 'context' => array( 'view', 'edit', 'embed' ), 'readonly' => true, ), ), ); break; case 'thumbnail': $schema['properties']['featured_media'] = array( 'description' => __( 'The ID of the featured media for the post.' ), 'type' => 'integer', 'context' => array( 'view', 'edit', 'embed' ), ); break; case 'comments': $schema['properties']['comment_status'] = array( 'description' => __( 'Whether or not comments are open on the post.' ), 'type' => 'string', 'enum' => array( 'open', 'closed' ), 'context' => array( 'view', 'edit' ), ); $schema['properties']['ping_status'] = array( 'description' => __( 'Whether or not the post can be pinged.' ), 'type' => 'string', 'enum' => array( 'open', 'closed' ), 'context' => array( 'view', 'edit' ), ); break; case 'page-attributes': $schema['properties']['menu_order'] = array( 'description' => __( 'The order of the post in relation to other posts.' ), 'type' => 'integer', 'context' => array( 'view', 'edit' ), ); break; case 'post-formats': // Get the native post formats and remove the array keys. $formats = array_values( get_post_format_slugs() ); $schema['properties']['format'] = array( 'description' => __( 'The format for the post.' ), 'type' => 'string', 'enum' => $formats, 'context' => array( 'view', 'edit' ), ); break; case 'custom-fields': $schema['properties']['meta'] = $this->meta->get_field_schema(); break; } } if ( 'post' === $this->post_type ) { $schema['properties']['sticky'] = array( 'description' => __( 'Whether or not the post should be treated as sticky.' ), 'type' => 'boolean', 'context' => array( 'view', 'edit' ), ); } $schema['properties']['template'] = array( 'description' => __( 'The theme file to use to display the post.' ), 'type' => 'string', 'context' => array( 'view', 'edit' ), 'arg_options' => array( 'validate_callback' => array( $this, 'check_template' ), ), ); $taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) ); foreach ( $taxonomies as $taxonomy ) { $base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name; if ( array_key_exists( $base, $schema['properties'] ) ) { $taxonomy_field_name_with_conflict = ! empty( $taxonomy->rest_base ) ? 'rest_base' : 'name'; _doing_it_wrong( 'register_taxonomy', sprintf( /* translators: 1: The taxonomy name, 2: The property name, either 'rest_base' or 'name', 3: The conflicting value. */ __( 'The "%1$s" taxonomy "%2$s" property (%3$s) conflicts with an existing property on the REST API Posts Controller. Specify a custom "rest_base" when registering the taxonomy to avoid this error.' ), $taxonomy->name, $taxonomy_field_name_with_conflict, $base ), '5.4.0' ); } $schema['properties'][ $base ] = array( /* translators: %s: Taxonomy name. */ 'description' => sprintf( __( 'The terms assigned to the post in the %s taxonomy.' ), $taxonomy->name ), 'type' => 'array', 'items' => array( 'type' => 'integer', ), 'context' => array( 'view', 'edit' ), ); } $schema_links = $this->get_schema_links(); if ( $schema_links ) { $schema['links'] = $schema_links; } // Take a snapshot of which fields are in the schema pre-filtering. $schema_fields = array_keys( $schema['properties'] ); /** * Filters the post's schema. * * The dynamic portion of the filter, `$this->post_type`, refers to the * post type slug for the controller. * * Possible hook names include: * * - `rest_post_item_schema` * - `rest_page_item_schema` * - `rest_attachment_item_schema` * * @since 5.4.0 * * @param array $schema Item schema data. */ $schema = apply_filters( "rest_{$this->post_type}_item_schema", $schema ); // Emit a _doing_it_wrong warning if user tries to add new properties using this filter. $new_fields = array_diff( array_keys( $schema['properties'] ), $schema_fields ); if ( count( $new_fields ) > 0 ) { _doing_it_wrong( __METHOD__, sprintf( /* translators: %s: register_rest_field */ __( 'Please use %s to add new schema properties.' ), 'register_rest_field' ), '5.4.0' ); } $this->schema = $schema; return $this->add_additional_fields_schema( $this->schema ); } /** * Retrieves Link Description Objects that should be added to the Schema for the posts collection. * * @since 4.9.8 * * @return array */ protected function get_schema_links() { $href = rest_url( "{$this->namespace}/{$this->rest_base}/{id}" ); $links = array(); if ( 'attachment' !== $this->post_type ) { $links[] = array( 'rel' => 'https://api.w.org/action-publish', 'title' => __( 'The current user can publish this post.' ), 'href' => $href, 'targetSchema' => array( 'type' => 'object', 'properties' => array( 'status' => array( 'type' => 'string', 'enum' => array( 'publish', 'future' ), ), ), ), ); } $links[] = array( 'rel' => 'https://api.w.org/action-unfiltered-html', 'title' => __( 'The current user can post unfiltered HTML markup and JavaScript.' ), 'href' => $href, 'targetSchema' => array( 'type' => 'object', 'properties' => array( 'content' => array( 'raw' => array( 'type' => 'string', ), ), ), ), ); if ( 'post' === $this->post_type ) { $links[] = array( 'rel' => 'https://api.w.org/action-sticky', 'title' => __( 'The current user can sticky this post.' ), 'href' => $href, 'targetSchema' => array( 'type' => 'object', 'properties' => array( 'sticky' => array( 'type' => 'boolean', ), ), ), ); } if ( post_type_supports( $this->post_type, 'author' ) ) { $links[] = array( 'rel' => 'https://api.w.org/action-assign-author', 'title' => __( 'The current user can change the author on this post.' ), 'href' => $href, 'targetSchema' => array( 'type' => 'object', 'properties' => array( 'author' => array( 'type' => 'integer', ), ), ), ); } $taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) ); foreach ( $taxonomies as $tax ) { $tax_base = ! empty( $tax->rest_base ) ? $tax->rest_base : $tax->name; /* translators: %s: Taxonomy name. */ $assign_title = sprintf( __( 'The current user can assign terms in the %s taxonomy.' ), $tax->name ); /* translators: %s: Taxonomy name. */ $create_title = sprintf( __( 'The current user can create terms in the %s taxonomy.' ), $tax->name ); $links[] = array( 'rel' => 'https://api.w.org/action-assign-' . $tax_base, 'title' => $assign_title, 'href' => $href, 'targetSchema' => array( 'type' => 'object', 'properties' => array( $tax_base => array( 'type' => 'array', 'items' => array( 'type' => 'integer', ), ), ), ), ); $links[] = array( 'rel' => 'https://api.w.org/action-create-' . $tax_base, 'title' => $create_title, 'href' => $href, 'targetSchema' => array( 'type' => 'object', 'properties' => array( $tax_base => array( 'type' => 'array', 'items' => array( 'type' => 'integer', ), ), ), ), ); } return $links; } /** * Retrieves the query params for the posts collection. * * @since 4.7.0 * @since 5.4.0 The `tax_relation` query parameter was added. * @since 5.7.0 The `modified_after` and `modified_before` query parameters were added. * * @return array Collection parameters. */ public function get_collection_params() { $query_params = parent::get_collection_params(); $query_params['context']['default'] = 'view'; $query_params['after'] = array( 'description' => __( 'Limit response to posts published after a given ISO8601 compliant date.' ), 'type' => 'string', 'format' => 'date-time', ); $query_params['modified_after'] = array( 'description' => __( 'Limit response to posts modified after a given ISO8601 compliant date.' ), 'type' => 'string', 'format' => 'date-time', ); if ( post_type_supports( $this->post_type, 'author' ) ) { $query_params['author'] = array( 'description' => __( 'Limit result set to posts assigned to specific authors.' ), 'type' => 'array', 'items' => array( 'type' => 'integer', ), 'default' => array(), ); $query_params['author_exclude'] = array( 'description' => __( 'Ensure result set excludes posts assigned to specific authors.' ), 'type' => 'array', 'items' => array( 'type' => 'integer', ), 'default' => array(), ); } $query_params['before'] = array( 'description' => __( 'Limit response to posts published before a given ISO8601 compliant date.' ), 'type' => 'string', 'format' => 'date-time', ); $query_params['modified_before'] = array( 'description' => __( 'Limit response to posts modified before a given ISO8601 compliant date.' ), 'type' => 'string', 'format' => 'date-time', ); $query_params['exclude'] = array( 'description' => __( 'Ensure result set excludes specific IDs.' ), 'type' => 'array', 'items' => array( 'type' => 'integer', ), 'default' => array(), ); $query_params['include'] = array( 'description' => __( 'Limit result set to specific IDs.' ), 'type' => 'array', 'items' => array( 'type' => 'integer', ), 'default' => array(), ); if ( 'page' === $this->post_type || post_type_supports( $this->post_type, 'page-attributes' ) ) { $query_params['menu_order'] = array( 'description' => __( 'Limit result set to posts with a specific menu_order value.' ), 'type' => 'integer', ); } $query_params['search_semantics'] = array( 'description' => __( 'How to interpret the search input.' ), 'type' => 'string', 'enum' => array( 'exact' ), ); $query_params['offset'] = array( 'description' => __( 'Offset the result set by a specific number of items.' ), 'type' => 'integer', ); $query_params['order'] = array( 'description' => __( 'Order sort attribute ascending or descending.' ), 'type' => 'string', 'default' => 'desc', 'enum' => array( 'asc', 'desc' ), ); $query_params['orderby'] = array( 'description' => __( 'Sort collection by post attribute.' ), 'type' => 'string', 'default' => 'date', 'enum' => array( 'author', 'date', 'id', 'include', 'modified', 'parent', 'relevance', 'slug', 'include_slugs', 'title', ), ); if ( 'page' === $this->post_type || post_type_supports( $this->post_type, 'page-attributes' ) ) { $query_params['orderby']['enum'][] = 'menu_order'; } $post_type = get_post_type_object( $this->post_type ); if ( $post_type->hierarchical || 'attachment' === $this->post_type ) { $query_params['parent'] = array( 'description' => __( 'Limit result set to items with particular parent IDs.' ), 'type' => 'array', 'items' => array( 'type' => 'integer', ), 'default' => array(), ); $query_params['parent_exclude'] = array( 'description' => __( 'Limit result set to all items except those of a particular parent ID.' ), 'type' => 'array', 'items' => array( 'type' => 'integer', ), 'default' => array(), ); } $query_params['search_columns'] = array( 'default' => array(), 'description' => __( 'Array of column names to be searched.' ), 'type' => 'array', 'items' => array( 'enum' => array( 'post_title', 'post_content', 'post_excerpt' ), 'type' => 'string', ), ); $query_params['slug'] = array( 'description' => __( 'Limit result set to posts with one or more specific slugs.' ), 'type' => 'array', 'items' => array( 'type' => 'string', ), ); $query_params['status'] = array( 'default' => 'publish', 'description' => __( 'Limit result set to posts assigned one or more statuses.' ), 'type' => 'array', 'items' => array( 'enum' => array_merge( array_keys( get_post_stati() ), array( 'any' ) ), 'type' => 'string', ), 'sanitize_callback' => array( $this, 'sanitize_post_statuses' ), ); $query_params = $this->prepare_taxonomy_limit_schema( $query_params ); if ( 'post' === $this->post_type ) { $query_params['sticky'] = array( 'description' => __( 'Limit result set to items that are sticky.' ), 'type' => 'boolean', ); } if ( post_type_supports( $this->post_type, 'post-formats' ) ) { $query_params['format'] = array( 'description' => __( 'Limit result set to items assigned one or more given formats.' ), 'type' => 'array', 'uniqueItems' => true, 'items' => array( 'enum' => array_values( get_post_format_slugs() ), 'type' => 'string', ), ); } /** * Filters collection parameters for the posts controller. * * The dynamic part of the filter `$this->post_type` refers to the post * type slug for the controller. * * This filter registers the collection parameter, but does not map the * collection parameter to an internal WP_Query parameter. Use the * `rest_{$this->post_type}_query` filter to set WP_Query parameters. * * @since 4.7.0 * * @param array $query_params JSON Schema-formatted collection parameters. * @param WP_Post_Type $post_type Post type object. */ return apply_filters( "rest_{$this->post_type}_collection_params", $query_params, $post_type ); } /** * Sanitizes and validates the list of post statuses, including whether the * user can query private statuses. * * @since 4.7.0 * * @param string|array $statuses One or more post statuses. * @param WP_REST_Request $request Full details about the request. * @param string $parameter Additional parameter to pass to validation. * @return array|WP_Error A list of valid statuses, otherwise WP_Error object. */ public function sanitize_post_statuses( $statuses, $request, $parameter ) { $statuses = wp_parse_slug_list( $statuses ); // The default status is different in WP_REST_Attachments_Controller. $attributes = $request->get_attributes(); $default_status = $attributes['args']['status']['default']; foreach ( $statuses as $status ) { if ( $status === $default_status ) { continue; } $post_type_obj = get_post_type_object( $this->post_type ); if ( current_user_can( $post_type_obj->cap->edit_posts ) || 'private' === $status && current_user_can( $post_type_obj->cap->read_private_posts ) ) { $result = rest_validate_request_arg( $status, $request, $parameter ); if ( is_wp_error( $result ) ) { return $result; } } else { return new WP_Error( 'rest_forbidden_status', __( 'Status is forbidden.' ), array( 'status' => rest_authorization_required_code() ) ); } } return $statuses; } /** * Prepares the 'tax_query' for a collection of posts. * * @since 5.7.0 * * @param array $args WP_Query arguments. * @param WP_REST_Request $request Full details about the request. * @return array Updated query arguments. */ private function prepare_tax_query( array $args, WP_REST_Request $request ) { $relation = $request['tax_relation']; if ( $relation ) { $args['tax_query'] = array( 'relation' => $relation ); } $taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) ); foreach ( $taxonomies as $taxonomy ) { $base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name; $tax_include = $request[ $base ]; $tax_exclude = $request[ $base . '_exclude' ]; if ( $tax_include ) { $terms = array(); $include_children = false; $operator = 'IN'; if ( rest_is_array( $tax_include ) ) { $terms = $tax_include; } elseif ( rest_is_object( $tax_include ) ) { $terms = empty( $tax_include['terms'] ) ? array() : $tax_include['terms']; $include_children = ! empty( $tax_include['include_children'] ); if ( isset( $tax_include['operator'] ) && 'AND' === $tax_include['operator'] ) { $operator = 'AND'; } } if ( $terms ) { $args['tax_query'][] = array( 'taxonomy' => $taxonomy->name, 'field' => 'term_id', 'terms' => $terms, 'include_children' => $include_children, 'operator' => $operator, ); } } if ( $tax_exclude ) { $terms = array(); $include_children = false; if ( rest_is_array( $tax_exclude ) ) { $terms = $tax_exclude; } elseif ( rest_is_object( $tax_exclude ) ) { $terms = empty( $tax_exclude['terms'] ) ? array() : $tax_exclude['terms']; $include_children = ! empty( $tax_exclude['include_children'] ); } if ( $terms ) { $args['tax_query'][] = array( 'taxonomy' => $taxonomy->name, 'field' => 'term_id', 'terms' => $terms, 'include_children' => $include_children, 'operator' => 'NOT IN', ); } } } return $args; } /** * Prepares the collection schema for including and excluding items by terms. * * @since 5.7.0 * * @param array $query_params Collection schema. * @return array Updated schema. */ private function prepare_taxonomy_limit_schema( array $query_params ) { $taxonomies = wp_list_filter( get_object_taxonomies( $this->post_type, 'objects' ), array( 'show_in_rest' => true ) ); if ( ! $taxonomies ) { return $query_params; } $query_params['tax_relation'] = array( 'description' => __( 'Limit result set based on relationship between multiple taxonomies.' ), 'type' => 'string', 'enum' => array( 'AND', 'OR' ), ); $limit_schema = array( 'type' => array( 'object', 'array' ), 'oneOf' => array( array( 'title' => __( 'Term ID List' ), 'description' => __( 'Match terms with the listed IDs.' ), 'type' => 'array', 'items' => array( 'type' => 'integer', ), ), array( 'title' => __( 'Term ID Taxonomy Query' ), 'description' => __( 'Perform an advanced term query.' ), 'type' => 'object', 'properties' => array( 'terms' => array( 'description' => __( 'Term IDs.' ), 'type' => 'array', 'items' => array( 'type' => 'integer', ), 'default' => array(), ), 'include_children' => array( 'description' => __( 'Whether to include child terms in the terms limiting the result set.' ), 'type' => 'boolean', 'default' => false, ), ), 'additionalProperties' => false, ), ), ); $include_schema = array_merge( array( /* translators: %s: Taxonomy name. */ 'description' => __( 'Limit result set to items with specific terms assigned in the %s taxonomy.' ), ), $limit_schema ); // 'operator' is supported only for 'include' queries. $include_schema['oneOf'][1]['properties']['operator'] = array( 'description' => __( 'Whether items must be assigned all or any of the specified terms.' ), 'type' => 'string', 'enum' => array( 'AND', 'OR' ), 'default' => 'OR', ); $exclude_schema = array_merge( array( /* translators: %s: Taxonomy name. */ 'description' => __( 'Limit result set to items except those with specific terms assigned in the %s taxonomy.' ), ), $limit_schema ); foreach ( $taxonomies as $taxonomy ) { $base = ! empty( $taxonomy->rest_base ) ? $taxonomy->rest_base : $taxonomy->name; $base_exclude = $base . '_exclude'; $query_params[ $base ] = $include_schema; $query_params[ $base ]['description'] = sprintf( $query_params[ $base ]['description'], $base ); $query_params[ $base_exclude ] = $exclude_schema; $query_params[ $base_exclude ]['description'] = sprintf( $query_params[ $base_exclude ]['description'], $base ); if ( ! $taxonomy->hierarchical ) { unset( $query_params[ $base ]['oneOf'][1]['properties']['include_children'] ); unset( $query_params[ $base_exclude ]['oneOf'][1]['properties']['include_children'] ); } } return $query_params; } }