chore(server) harden EXIF extraction (#1347)

* chore(server) Harden EXIF extraction

* Remove unused function in timeutil

* Remove deadcode

server/libs/common/src/utils/time-utils.ts

@@ -1,12 +1,4 @@
-// This is needed as resolving for the vendored
-// exiftool fails in tests otherwise but as it's not meant to be a requirement
-// of a project directly I had to include the line below the comment.
-// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-// @ts-ignore
-import { exiftool } from 'exiftool-vendored.pl';
-
 function createTimeUtils() {
-  const floatRegex = /[+-]?([0-9]*[.])?[0-9]+/;
   const checkValidTimestamp = (timestamp: string): boolean => {
     const parsedTimestamp = Date.parse(timestamp);
 
@@ -23,32 +15,7 @@ function createTimeUtils() {
     return date.getFullYear() > 0;
   };
 
-  const getTimestampFromExif = async (originalPath: string): Promise<string> => {
-    try {
-      const exifData = await exiftool.read(originalPath);
-
-      if (exifData && exifData['DateTimeOriginal']) {
-        await exiftool.end();
-        // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-        return exifData['DateTimeOriginal'].toString()!;
-      } else {
-        return new Date().toISOString();
-      }
-    } catch (error) {
-      return new Date().toISOString();
-    }
-  };
-
-  const parseStringToNumber = async (original: string | undefined): Promise<number | null> => {
-    const match = original?.match(floatRegex)?.[0];
-    if (match) {
-      return parseFloat(match);
-    } else {
-      return null;
-    }
-  };
-
-  return { checkValidTimestamp, getTimestampFromExif, parseStringToNumber };
+  return { checkValidTimestamp };
 }
 
 export const timeUtils = createTimeUtils();