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Meow Gallery / 5.5.5
Meow Gallery v5.5.5
5.5.5 5.5.4 5.5.3 5.5.2 5.5.1 5.5.0 5.4.9 5.4.8 5.4.7 4.1.5 4.1.6 4.1.7 4.1.8 4.1.9 4.2.0 4.2.1 4.2.2 4.2.3 4.2.4 4.2.5 4.2.6 4.2.7 4.2.8 4.2.9 4.3.0 All 157 releases
← All changes | classes/rest.php +90 -21 5.5.35.5.5 View file →
@@ -4,8 +4,15 @@
4 4 {
5 5 private $core;
6 6 private $namespace = 'meow-gallery/v1';
7 7
8 + // Gallery attributes that decide *which* media a gallery shows. They must never be taken from
9 + // an untrusted request: see rest_load_gallery_collection().
10 + private static $source_atts = [
11 + 'collection', 'id', 'ids', 'include', 'tags', 'posts', 'latest_posts', 'attachments',
12 + 'rml', 'wplr-collection', 'meow',
13 + ];
14 +
8 15 public function __construct( $core ) {
9 16 $this->core = $core;
10 17
11 18 // FOR DEBUG
@@ -120,9 +127,9 @@
120 127
121 128 // Gallery
122 129 register_rest_route( $this->namespace, '/images/', array(
123 130 'methods' => 'POST',
124 - 'permission_callback' => '__return_true',
131 + 'permission_callback' => array( $this, 'can_load_images' ),
125 132 'callback' => array( $this, 'rest_images' )
126 133 ) );
127 134
128 135 register_rest_route( $this->namespace, '/fetch_posts', array(
@@ -136,8 +143,18 @@
136 143 )
137 144 ) );
138 145 }
139 146
147 + // The /images/ route feeds the infinite scroll and nothing else: when it is off (the default,
148 + // and always in the free version) the gallery is rendered whole and the front-end never calls
149 + // this. It has to stay open to visitors when infinite scroll IS on, but leaving it open
150 + // everywhere exposed the title, caption and URL of any attachment ID, including attachments of
151 + // posts that are not published.
152 + public function can_load_images() {
153 + $infinite = class_exists( 'MeowPro_MGL_Core' ) && Meow_MGL_Core::get_plugin_option( 'infinite', false );
154 + return apply_filters( 'mgl_allow_load_images', (bool) $infinite );
155 + }
156 +
140 157 function preview( WP_REST_Request $request ) {
141 158 $params = $request->get_body( );
142 159 $params = json_decode( $params );
143 160 $params->ids = implode( ',', $params->ids );
@@ -142,14 +159,20 @@
142 159 $params = json_decode( $params );
143 160 $params->ids = implode( ',', $params->ids );
144 161 $atts = ( array ) $params;
145 162
163 + $full = !empty( $atts['full'] );
164 + unset( $atts['full'] );
165 +
146 166 $is_collection = isset( $atts['collection'] ) && !empty( $atts['collection'] );
147 167 if ( $is_collection ) {
148 - $html = do_shortcode( '[meow-collection id="' . $atts['collection'] . '"]' );
168 + $html = $this->core->render_collection( $atts['collection'] );
149 169 $counts = [ 'total' => 0, 'shown' => 0 ];
150 170 } else {
151 171 $this->core->last_preview_counts = [ 'total' => 0, 'shown' => 0 ];
172 + if ( $full ) {
173 + $this->core->preview_cutoff = PHP_INT_MAX;
174 + }
152 175 $html = $this->core->gallery( $atts, [ 'isPreview' => true ] );
153 176 $counts = $this->core->last_preview_counts;
154 177 }
155 178
@@ -164,11 +187,12 @@
164 187
165 188 function rest_load_gallery_collection( $request ) {
166 189 try {
167 190 $params = $request->get_json_params( );
168 - $gallery_id = $params['id'];
169 - $search_slug = $params['search_slug'];
170 - $gallery_atts = $params['gallery_atts'];
191 + $gallery_id = $params['id'] ?? '';
192 + $search_slug = $params['search_slug'] ?? '';
193 + $gallery_atts = $params['gallery_atts'] ?? array();
194 + $gallery_atts = is_array( $gallery_atts ) ? $gallery_atts : array();
171 195
172 196 $key = [
173 197 'gallery_id' => 'id',
174 198 'wplr_collection_id' => 'wplr-collection',
@@ -174,8 +198,26 @@
174 198 'wplr_collection_id' => 'wplr-collection',
175 199 'rml' => 'rml',
176 200 ];
177 201
202 + // This route is public (visitors open galleries from a collection), so everything it
203 + // receives is untrusted. The gallery to render is decided by 'search_slug' + 'id'
204 + // only: the caller-supplied attributes are stripped of anything that could point the
205 + // gallery at other content. Without this, 'collection' could be used to inject
206 + // arbitrary shortcodes (reported by JunHee CHO, 2026-09).
207 + if ( !isset( $key[ $search_slug ] ) ) {
208 + return new WP_REST_Response( [ 'success' => false, 'message' => __( 'Unknown gallery source.', MGL_DOMAIN ) ], 400 );
209 + }
210 + $gallery_atts = array_diff_key( $gallery_atts, array_flip( self::$source_atts ) );
211 +
212 + // The RML source is a folder path, the others are identifiers.
213 + if ( $search_slug !== 'rml' ) {
214 + $gallery_id = Meow_MGL_Core::sanitize_id( $gallery_id );
215 + if ( $gallery_id === '' ) {
216 + return new WP_REST_Response( [ 'success' => false, 'message' => __( 'Invalid gallery ID.', MGL_DOMAIN ) ], 400 );
217 + }
218 + }
219 +
178 220 $shortcode_atts = array();
179 221 $shortcode_atts[ $key[$search_slug] ] = $gallery_id;
180 222 $shortcode_atts = [...$shortcode_atts, ...$gallery_atts];
181 223
@@ -209,9 +251,9 @@
209 251 global $wpdb;
210 252 $params = $request->get_json_params( );
211 253
212 254 $id = $params['id'];
213 - $medias = $params['medias'];
255 + $medias = Meow_MGL_Core::normalize_medias( $params['medias'] ?? null );
214 256 $name = $params['name'];
215 257 $layout = $params['layout'];
216 258 $description = $params['description'];
217 259 $posts = $params['posts'];
@@ -227,9 +269,9 @@
227 269 if ( !$name ) {
228 270 throw new Exception( __( 'Please enter a name for your shortcode.', MGL_DOMAIN ));
229 271 }
230 272
231 - if ( !$is_post_mode && ( !$medias || !count( $medias['thumbnail_ids'] )) ) {
273 + if ( !$is_post_mode && empty( $medias['thumbnail_ids'] ) ) {
232 274 throw new Exception( __( 'Please select at least one image.', MGL_DOMAIN ));
233 275 }
234 276
235 277 if ( $is_post_mode && $dynamic_source === 'posts' && ( !$posts && !$latest_posts )) {
@@ -411,9 +453,9 @@
411 453 $galleries[$gallery['id']] = [
412 454 'name' => $gallery['name'],
413 455 'description' => $gallery['description'],
414 456 'layout' => $gallery['layout'],
415 - 'medias' => unserialize( $gallery['medias'] ),
457 + 'medias' => Meow_MGL_Core::hydrate_medias( maybe_unserialize( $gallery['medias'] ) ),
416 458 'is_post_mode' => ( bool )$gallery['is_post_mode'],
417 459 'hero' => ( bool )$gallery['is_hero_mode'],
418 460 'posts' => $gallery['posts'] ? unserialize( $gallery['posts'] ) : null,
419 461 'latest_posts' => $gallery['latest_posts'],
@@ -523,24 +565,21 @@
523 565 "AND p.ID NOT IN ( " . implode( ', ', array_fill( 0, count( $except ), '%s' )) . " )", $except
524 566 ) : '';
525 567 $join_clause = '';
526 568 if ( $unusedImages ) {
527 - // Retrieve the serialized option from the database
528 - $meow_gallery_shortcodes = get_option( 'mgl_shortcodes' );
569 + // Every image used by a gallery, read from the galleries table (this used to read the
570 + // old 'mgl_shortcodes' option, which isn't written anymore since the migration).
571 + $shortcodes_table = $wpdb->prefix . 'mgl_gallery_shortcodes';
572 + Meow_MGL_Migrations::check_db();
529 573
530 - // Deserialize the option to get the array
531 - $shortcodes_array = maybe_unserialize( $meow_gallery_shortcodes );
532 -
533 - // Extract all thumbnail IDs from the array
534 574 $used_thumbnail_ids = [];
535 - foreach ( $shortcodes_array as $shortcode ) {
536 - if ( isset( $shortcode['medias']['thumbnail_ids'] ) && is_array( $shortcode['medias']['thumbnail_ids'] ) ) {
537 - $used_thumbnail_ids = array_merge( $used_thumbnail_ids, $shortcode['medias']['thumbnail_ids'] );
538 - }
575 + foreach ( $wpdb->get_col( "SELECT medias FROM $shortcodes_table" ) as $medias ) {
576 + $medias = Meow_MGL_Core::normalize_medias( maybe_unserialize( $medias ) );
577 + $used_thumbnail_ids = array_merge( $used_thumbnail_ids, $medias['thumbnail_ids'] );
539 578 }
540 579
541 580 // Make sure the IDs are integers
542 - $used_thumbnail_ids = array_map( 'intval', $used_thumbnail_ids );
581 + $used_thumbnail_ids = array_unique( array_map( 'intval', $used_thumbnail_ids ) );
543 582
544 583 // Include the NOT IN clause to exclude used thumbnail IDs
545 584 if ( !empty( $used_thumbnail_ids ) ) {
546 585 $placeholders = implode( ',', array_fill( 0, count( $used_thumbnail_ids ), '%d' ) );
@@ -623,8 +662,33 @@
623 662 'data' => $this->core->get_gallery_images( $image_ids, $atts, $layout, $size )
624 663 ], 200 );
625 664 }
626 665
666 + // Applies WordPress's own visibility rules to a raw posts query: published posts for everyone,
667 + // other people's drafts only with edit_others_posts, other people's private posts only with
668 + // read_private_posts, and your own in both cases. 'upload_files' (the capability gating this
669 + // REST controller) is held by Authors, who must not see the whole site's unpublished content.
670 + private function get_post_status_clause( $alias = 'p', $post_type = 'post' ) {
671 + global $wpdb;
672 +
673 + $post_type_object = get_post_type_object( $post_type );
674 + $read_private_cap = $post_type_object ? $post_type_object->cap->read_private_posts : 'read_private_posts';
675 + $edit_others_cap = $post_type_object ? $post_type_object->cap->edit_others_posts : 'edit_others_posts';
676 +
677 + $user_id = get_current_user_id();
678 + $clause = "AND ( $alias.post_status = 'publish'";
679 +
680 + $clause .= current_user_can( $read_private_cap )
681 + ? " OR $alias.post_status = 'private'"
682 + : $wpdb->prepare( " OR ( $alias.post_status = 'private' AND $alias.post_author = %d )", $user_id );
683 +
684 + $clause .= current_user_can( $edit_others_cap )
685 + ? " OR $alias.post_status = 'draft'"
686 + : $wpdb->prepare( " OR ( $alias.post_status = 'draft' AND $alias.post_author = %d )", $user_id );
687 +
688 + return $clause . " ) ";
689 + }
690 +
627 691 function rest_fetch_posts( $request ) {
628 692 try {
629 693 $params = $request->get_json_params();
630 694 $search = isset($params['search']) ? $params['search'] : '';
@@ -639,8 +703,13 @@
639 703 $searchPlaceholder,
640 704 $searchPlaceholder
641 705 ) : '';
642 706
707 + // The same clause is used by both queries on purpose: the search also matches
708 + // post_content, so a count taken over a wider set than the rows would let a user probe
709 + // the body of posts they cannot read (reported by Kaan Ă–zbek, 2026-09).
710 + $where_status_clause = $this->get_post_status_clause( 'p' );
711 +
643 712 $posts = $wpdb->get_results(
644 713 $wpdb->prepare(
645 714 "SELECT p.ID, p.post_title, p.post_date, p.post_status, u.display_name as author
646 715 FROM $wpdb->posts p
@@ -645,9 +714,9 @@
645 714 "SELECT p.ID, p.post_title, p.post_date, p.post_status, u.display_name as author
646 715 FROM $wpdb->posts p
647 716 LEFT JOIN $wpdb->users u ON p.post_author = u.ID
648 717 WHERE p.post_type = 'post'
649 - AND p.post_status IN ('publish', 'draft', 'private')
718 + $where_status_clause
650 719 $where_search_clause
651 720 ORDER BY p.post_date DESC
652 721 LIMIT %d, %d",
653 722 $offset,
@@ -659,9 +728,9 @@
659 728 $posts_count = (int)$wpdb->get_var(
660 729 "SELECT COUNT(*)
661 730 FROM $wpdb->posts p
662 731 WHERE p.post_type = 'post'
663 - AND p.post_status IN ('publish', 'draft', 'private')
732 + $where_status_clause
664 733 $where_search_clause"
665 734 );
666 735
667 736 $data = array_map(function($post) {