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clients: Fix zip parsing

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This commit is contained in:
Lorenz Stechauner
2024-07-26 17:50:14 +02:00
parent b76c434216
commit a8ea8b3b65
1 changed files with 4 additions and 0 deletions
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4
www/clients.php
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@ -20,7 +20,9 @@ function get_zip_meta($path): array {
return array($meta, null, null);
}
$extraFieldLen1 = unpack("v", substr($zipHdr1, 28, 2))[1];
$name1 = fread($fp, 7);
fseek($fp, $extraFieldLen1, SEEK_CUR);
$data1 = fread($fp, unpack("V", substr($zipHdr1, 18, 4))[1]);
if ($name1 !== "version" || !str_starts_with($data1, "elwig:")) {
fclose($fp);
@ -36,7 +38,9 @@ function get_zip_meta($path): array {
return array($meta, $version, null);
}
$extraFieldLen2 = unpack("v", substr($zipHdr2, 28, 2))[1];
$name2 = fread($fp, 9);
fseek($fp, $extraFieldLen2, SEEK_CUR);
if ($name2 !== "meta.json") {
fclose($fp);
return array($meta, $version, null);