Changeset 21905

Timestamp:

09/18/2012 11:38:25 PM (8 years ago)

Author:

nacin

Message:

Avoid mangling UTF-8 strings that may be present in image metadata. props SergeyBiryukov for the unit tests ​[UT665]. fixes #9417.

File:

• trunk/wp-admin/includes/image.php (modified) (5 diffs)

trunk/wp-admin/includes/image.php

@@ -238 +238 @@
             // headline, "A brief synopsis of the caption."
             if ( ! empty( $iptc['2#105'][0] ) )
-                $meta['title'] = utf8_encode( trim( $iptc['2#105'][0] ) );
+                $meta['title'] = trim( $iptc['2#105'][0] );
             // title, "Many use the Title field to store the filename of the image, though the field may be used in many ways."
             elseif ( ! empty( $iptc['2#005'][0] ) )
-                $meta['title'] = utf8_encode( trim( $iptc['2#005'][0] ) );
+                $meta['title'] = trim( $iptc['2#005'][0] );
 
             if ( ! empty( $iptc['2#120'][0] ) ) { // description / legacy caption
-                $caption = utf8_encode( trim( $iptc['2#120'][0] ) );
+                $caption = trim( $iptc['2#120'][0] );
                 if ( empty( $meta['title'] ) ) {
                     // Assume the title is stored in 2:120 if it's short.
@@ -257 +257 @@
 
             if ( ! empty( $iptc['2#110'][0] ) ) // credit
-                $meta['credit'] = utf8_encode(trim($iptc['2#110'][0]));
+                $meta['credit'] = trim( $iptc['2#110'][0] );
             elseif ( ! empty( $iptc['2#080'][0] ) ) // creator / legacy byline
-                $meta['credit'] = utf8_encode(trim($iptc['2#080'][0]));
+                $meta['credit'] = trim( $iptc['2#080'][0] );
 
             if ( ! empty( $iptc['2#055'][0] ) and ! empty( $iptc['2#060'][0] ) ) // created date and time
@@ -265 +265 @@
 
             if ( ! empty( $iptc['2#116'][0] ) ) // copyright
-                $meta['copyright'] = utf8_encode( trim( $iptc['2#116'][0] ) );
+                $meta['copyright'] = trim( $iptc['2#116'][0] );
          }
     }
@@ -274 +274 @@
 
         if ( !empty( $exif['Title'] ) )
-            $meta['title'] = utf8_encode( trim( $exif['Title'] ) );
+            $meta['title'] = trim( $exif['Title'] );
 
         if ( ! empty( $exif['ImageDescription'] ) ) {
             if ( empty( $meta['title'] ) && strlen( $exif['ImageDescription'] ) < 80 ) {
                 // Assume the title is stored in ImageDescription
-                $meta['title'] = utf8_encode( trim( $exif['ImageDescription'] ) );
+                $meta['title'] = trim( $exif['ImageDescription'] );
                 if ( ! empty( $exif['COMPUTED']['UserComment'] ) && trim( $exif['COMPUTED']['UserComment'] ) != $meta['title'] )
-                    $meta['caption'] = utf8_encode( trim( $exif['COMPUTED']['UserComment'] ) );
+                    $meta['caption'] = trim( $exif['COMPUTED']['UserComment'] );
             } elseif ( trim( $exif['ImageDescription'] ) != $meta['title'] ) {
-                $meta['caption'] = utf8_encode( trim( $exif['ImageDescription'] ) );
+                $meta['caption'] = trim( $exif['ImageDescription'] );
             }
         } elseif ( ! empty( $exif['Comments'] ) && trim( $exif['Comments'] ) != $meta['title'] ) {
-            $meta['caption'] = utf8_encode( trim( $exif['Comments'] ) );
+            $meta['caption'] = trim( $exif['Comments'] );
         }
 
         if ( ! empty( $exif['Artist'] ) )
-            $meta['credit'] = utf8_encode( trim( $exif['Artist'] ) );
+            $meta['credit'] = trim( $exif['Artist'] );
         elseif ( ! empty($exif['Author'] ) )
-            $meta['credit'] = utf8_encode( trim( $exif['Author'] ) );
+            $meta['credit'] = trim( $exif['Author'] );
 
         if ( ! empty( $exif['Copyright'] ) )
-            $meta['copyright'] = utf8_encode( trim( $exif['Copyright'] ) );
+            $meta['copyright'] = trim( $exif['Copyright'] );
         if ( ! empty($exif['FNumber'] ) )
             $meta['aperture'] = round( wp_exif_frac2dec( $exif['FNumber'] ), 2 );
         if ( ! empty($exif['Model'] ) )
-            $meta['camera'] = utf8_encode( trim( $exif['Model'] ) );
+            $meta['camera'] = trim( $exif['Model'] );
         if ( ! empty($exif['DateTimeDigitized'] ) )
             $meta['created_timestamp'] = wp_exif_date2ts($exif['DateTimeDigitized'] );
@@ -306 +306 @@
         if ( ! empty($exif['ISOSpeedRatings'] ) ) {
             $meta['iso'] = is_array( $exif['ISOSpeedRatings'] ) ? reset( $exif['ISOSpeedRatings'] ) : $exif['ISOSpeedRatings'];
-            $meta['iso'] = utf8_encode( trim( $meta['iso'] ) );
+            $meta['iso'] = trim( $meta['iso'] );
         }
         if ( ! empty($exif['ExposureTime'] ) )
             $meta['shutter_speed'] = wp_exif_frac2dec( $exif['ExposureTime'] );
+    }
+
+    foreach ( array( 'title', 'caption', 'credit', 'copyright', 'camera', 'iso' ) as $key ) {
+        if ( $meta[ $key ] && ! seems_utf8( $meta[ $key ] ) )
+            $meta[ $key ] = utf8_encode( $meta[ $key ] );
     }