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write: check array keys for exif filter (fix #381)

pull/386/head
Varun Patil 2023-01-28 08:53:01 -08:00
parent 25318b9402
commit d6fba7e4a9
1 changed files with 7 additions and 6 deletions
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13
lib/Db/TimelineWrite.php
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@ -129,20 +129,21 @@ class TimelineWrite
}
// Clean up EXIF to keep only useful metadata
foreach ($exif as $key => &$value) {
$filteredExif = [];
foreach ($exif as $key => $value) {
// Truncate any fields > 2048 chars
if (\is_string($value) && \strlen($value) > 2048) {
$exif[$key] = substr($value, 0, 2048);
$value = substr($value, 0, 2048);
}
// These are huge and not needed
if (!EXIF_FIELDS_LIST[$key] ?? false) {
unset($exif[$key]);
// Only keep fields in the whitelist
if (\array_key_exists($key, EXIF_FIELDS_LIST)) {
$filteredExif[$key] = $value;
}
}
// Store JSON string
$exifJson = json_encode($exif);
$exifJson = json_encode($filteredExif);
// Store error if data > 64kb
if (\is_string($exifJson)) {