Handle stds:exif C2PA assertions

src/plugins/utils.js

@@ -1040,6 +1040,24 @@ class Util {
     return then.format("lll");
   }
 
+  parseExifDate(exifDateString) {
+    // Use a regular expression to match and capture the date/time components.
+    const regex = /(\d{4}):(\d{2}):(\d{2})\s(\d{2}):(\d{2}):(\d{2})/;
+    const match = exifDateString.match(regex);
+
+    if (match) {
+      // Extract components and convert to numbers. Note that months are 0-indexed.
+      const year = parseInt(match[1], 10);
+      const month = parseInt(match[2], 10) - 1; 
+      const day = parseInt(match[3], 10);
+      const hour = parseInt(match[4], 10);
+      const minute = parseInt(match[5], 10);
+      const second = parseInt(match[6], 10);
+      return new Date(year, month, day, hour, minute, second);
+    }
+    return undefined;
+  }
+
   browserCanRecordAudio() {
     return _browserCanRecordAudio;
   }