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<?php /** * REST api helper. * * @since 1.0.15 * @package RankMath * @subpackage RankMath\Rest * @author Rank Math <support@rankmath.com> */ namespace RankMath\Rest; use WP_Error; use RankMath\Helper; use RankMath\Helpers\DB as DB_Helper; defined( 'ABSPATH' ) || exit; /** * Rest_Helper class. */ class Rest_Helper { /** * REST namespace. * * @var string */ const BASE = 'rankmath/v1'; /** * Determines if the current user can manage options. * * @return true */ public static function can_manage_options() { return current_user_can( 'manage_options' ); } /** * Checks whether a given request has permission to update redirection. * * @return true|WP_Error True if the request has read access, WP_Error object otherwise. */ public static function get_redirection_permissions_check() { if ( ! Helper::is_module_active( 'redirections' ) || ! Helper::has_cap( 'redirections' ) ) { return new WP_Error( 'rest_cannot_edit', __( 'Sorry, you are not allowed to create/update redirection.', 'seo-by-rank-math' ), [ 'status' => rest_authorization_required_code() ] ); } return true; } /** * Checks whether a given request has permission to update schema. * * @param WP_REST_Request $request Full details about the request. * * @return true|WP_Error True if the request has read access, WP_Error object otherwise. */ public static function get_schema_permissions_check( $request ) { if ( ! Helper::is_module_active( 'rich-snippet' ) || ! Helper::has_cap( 'onpage_snippet' ) ) { return new WP_Error( 'rest_cannot_edit', __( 'Sorry, you are not allowed to create/update schema.', 'seo-by-rank-math' ), [ 'status' => rest_authorization_required_code() ] ); } return self::get_object_permissions_check( $request ); } /** * Checks whether a given request has permission to read types. * * @param WP_REST_Request $request Full details about the request. * * @return true|WP_Error True if the request has read access, WP_Error object otherwise. */ public static function get_object_permissions_check( $request ) { $object_id = $request->get_param( 'objectID' ); $object_type = $request->get_param( 'objectType' ); if ( in_array( $object_type, [ 'post', 'term', 'user' ], true ) ) { $method = "get_{$object_type}_permissions_check"; return self::$method( $request ); } return false; } /** * Checks whether a given request has permission to read post. * * @param WP_REST_Request $request Full details about the request. * * @return true|WP_Error True if the request has read access, WP_Error object otherwise. */ public static function get_post_permissions_check( $request ) { $object_id = $request->get_param( 'objectID' ); if ( $object_id === 0 ) { if ( ! Helper::has_cap( 'titles' ) ) { return new WP_Error( 'rest_cannot_edit', __( 'Sorry, you are not allowed to edit homepage SEO settings.', 'seo-by-rank-math' ), [ 'status' => rest_authorization_required_code() ] ); } return true; } $post = self::get_post( $object_id ); if ( is_wp_error( $post ) ) { return $post; } if ( ! Helper::is_post_type_accessible( $post->post_type ) && 'rank_math_schema' !== $post->post_type ) { return new WP_Error( 'rest_cannot_edit', __( 'Sorry, you are not allowed to edit this post type.', 'seo-by-rank-math' ), [ 'status' => rest_authorization_required_code() ] ); } $post_type = get_post_type_object( $post->post_type ); if ( current_user_can( $post_type->cap->edit_post, $post->ID ) || current_user_can( $post_type->cap->edit_others_posts ) ) { return true; } return new WP_Error( 'rest_cannot_edit', __( 'Sorry, you are not allowed to edit this post.', 'seo-by-rank-math' ), [ 'status' => rest_authorization_required_code() ] ); } /** * Get the post, if the ID is valid. * * @param int $id Supplied ID. * * @return WP_Post|WP_Error Post object if ID is valid, WP_Error otherwise. */ public static function get_post( $id ) { $error = new WP_Error( 'rest_post_invalid_id', __( 'Invalid post ID.', 'seo-by-rank-math' ), [ 'status' => 404 ] ); if ( (int) $id <= 0 ) { return $error; } $post = get_post( (int) $id ); if ( empty( $post ) || empty( $post->ID ) ) { return $error; } return $post; } /** * Checks whether a given request has permission to read term. * * @param WP_REST_Request $request Full details about the request. * * @return true|WP_Error True if the request has read access, WP_Error object otherwise. */ public static function get_term_permissions_check( $request ) { $term_id = $request->get_param( 'objectID' ); $term = self::get_term( $term_id ); if ( is_wp_error( $term ) ) { return $term; } if ( ! in_array( $term->taxonomy, array_keys( Helper::get_accessible_taxonomies() ), true ) || ! current_user_can( get_taxonomy( $term->taxonomy )->cap->edit_terms, $term_id ) ) { return new WP_Error( 'rest_cannot_edit', __( 'Sorry, you are not allowed to edit this term.', 'seo-by-rank-math' ), [ 'status' => rest_authorization_required_code() ] ); } return true; } /** * Get the term, if the ID is valid. * * @param int $id Supplied ID. * * @return WP_Term|WP_Error Term object if ID is valid, WP_Error otherwise. */ public static function get_term( $id ) { $error = new WP_Error( 'rest_term_invalid_id', __( 'Invalid term ID.', 'seo-by-rank-math' ), [ 'status' => 404 ] ); if ( (int) $id <= 0 ) { return $error; } global $wpdb; $term = DB_Helper::get_row( $wpdb->prepare( "SELECT t.* FROM $wpdb->term_taxonomy AS t WHERE t.term_id = %d LIMIT 1", $id ) ); if ( empty( $term ) || empty( $term->term_id ) ) { return $error; } return $term; } /** * Checks whether a given request has permission to read user. * * @param WP_REST_Request $request Full details about the request. * * @return true|WP_Error True if the request has read access, WP_Error object otherwise. */ public static function get_user_permissions_check( $request ) { $user_id = $request->get_param( 'objectID' ); return current_user_can( 'edit_user', $user_id ) && Helper::get_settings( 'titles.author_add_meta_box' ); } /** * Param emptiness validate callback. * * @param mixed $param Param to validate. * * @return boolean */ public static function is_param_empty( $param ) { if ( empty( $param ) ) { return new WP_Error( 'param_value_empty', esc_html__( 'Sorry, field is empty which is not allowed.', 'seo-by-rank-math' ) ); } return true; } /** * Checks whether a given request has permission to update settings. * * @param WP_REST_Request $request Full details about the request. * * @return true|WP_Error True if the request has read access, WP_Error object otherwise. */ public static function can_manage_settings( $request ) { $type = $request->get_param( 'type' ); $type = $type === 'instant-indexing' ? 'general' : $type; return $type === 'roleCapabilities' ? current_user_can( 'rank_math_role_manager' ) : current_user_can( "rank_math_$type" ); } /** * Param emptiness validate callback. * * @param mixed $param Param to validate. * * @return boolean */ public static function is_valid_string( $param ) { if ( empty( $param ) ) { return new WP_Error( 'param_value_empty', esc_html__( 'Sorry, field is empty which is not allowed.', 'seo-by-rank-math' ) ); } return self::is_alphanumerical( $param ); } /** * Check the alphanumerical string. * * @param mixed $param Param to validate. * * @return boolean */ public static function is_alphanumerical( $param ) { if ( ! preg_match( '/^[a-zA-Z0-9]+$/', $param ) ) { return new WP_Error( 'param_value_empty', esc_html__( 'Sorry, the field contains invalid characters.', 'seo-by-rank-math' ) ); } return true; } }
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