Ticket #39768: 39768.2.diff

src/wp-includes/media.php

@@ -4294 +4294 @@
                 $path = substr( $path, strlen( $dir['baseurl'] . '/' ) );
         }
 
-        $sql = $wpdb->prepare(
-                "SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attached_file' AND meta_value = %s",
-                $path
-        );
+        if ( $wpdb->has_cap( 'utf8mb4' ) ) {
+                // Use case-sensitive query, if possible.
+                $sql = $wpdb->prepare(
+                        "SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attached_file' AND meta_value = CONVERT( %s USING utf8mb4 ) COLLATE utf8mb4_bin",
+                        $path
+                );
+        } else {
+                $sql = $wpdb->prepare(
+                        "SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wp_attached_file' AND meta_value = %s",
+                        $path
+                );
+        }
 
         $post_id = $wpdb->get_var( $sql );
 

tests/phpunit/tests/media.php

@@ -1058 +1058 @@
                 $this->assertEquals( $attachment_id, attachment_url_to_postid( $image_url ) );
         }
 
-        function test_attachment_url_to_postid_schemes() {
+        /**
+         * @ticket 33109
+         */
+        function test_attachment_url_to_postid_with_different_scheme() {
                 $image_path    = '2014/11/' . $this->img_name;
                 $attachment_id = self::factory()->attachment->create_object(
                         $image_path,
@@ -1069 +1072 @@
                         )
                 );
 
-                /**
-                 * @ticket 33109 Testing protocols not matching
-                 */
                 $image_url = 'https://' . WP_TESTS_DOMAIN . '/wp-content/uploads/' . $image_path;
                 $this->assertEquals( $attachment_id, attachment_url_to_postid( $image_url ) );
         }
 
+        /**
+         * @ticket 39768
+         */
+        function test_attachment_url_to_postid_should_be_case_sensitive() {
+                global $wpdb;
+
+                if ( ! $wpdb->has_cap( 'utf8mb4' ) ) {
+                        $this->markTestSkipped( 'This test requires utf8mb4 support in MySQL.' );
+                }
+
+                $image_path    = '2014/11/' . $this->img_name;
+                $attachment_id = self::factory()->attachment->create_object(
+                        $image_path,
+                        0,
+                        array(
+                                'post_mime_type' => 'image/jpeg',
+                                'post_type'      => 'attachment',
+                        )
+                );
+
+                $image_path = '2014/11/' . ucfirst( $this->img_name );
+                $image_url  = 'http://' . WP_TESTS_DOMAIN . '/wp-content/uploads/' . $image_path;
+                $this->assertNotEquals( $attachment_id, attachment_url_to_postid( $image_url ) );
+        }
+
         function test_attachment_url_to_postid_filtered() {
                 $image_path    = '2014/11/' . $this->img_name;
                 $attachment_id = self::factory()->attachment->create_object(