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exif: ignore invalid values (fix #420)

pull/460/head
Varun Patil 2023-02-23 21:19:09 -08:00
parent cd74c8444b
commit 63ecdf30a2
1 changed files with 11 additions and 0 deletions
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11
lib/Exif.php
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@ -115,6 +115,17 @@ class Exif
// We need to remove blacklisted fields to prevent leaking info
unset($exif['SourceFile'], $exif['FileName'], $exif['ExifToolVersion'], $exif['Directory'], $exif['FileSize'], $exif['FileModifyDate'], $exif['FileAccessDate'], $exif['FileInodeChangeDate'], $exif['FilePermissions'], $exif['ThumbnailImage']);
// Ignore zero date
if (\array_key_exists('DateTimeOriginal', $exif) && '0000:00:00 00:00:00' === $exif['DateTimeOriginal']) {
unset($exif['DateTimeOriginal']);
}
// Ignore zero lat lng
if (\array_key_exists('GPSLatitude', $exif) && abs((float) $exif['GPSLatitude']) < 0.0001
&& \array_key_exists('GPSLongitude', $exif) && abs((float) $exif['GPSLongitude']) < 0.0001) {
unset($exif['GPSLatitude'], $exif['GPSLongitude']);
}
return $exif;
}