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Merge pull request #8752 from nextcloud/13-8112 

[stable13] Fix integer overflow in ChunkingPlugin
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Morris Jobke 2018-03-09 11:23:28 +01:00 committed by GitHub
parent e2728aaf38 ba7cc279e6
commit 0f1567d8fa
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1 changed files with 4 additions and 1 deletions
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5
apps/dav/lib/Upload/ChunkingPlugin.php
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@ -99,7 +99,10 @@ class ChunkingPlugin extends ServerPlugin {
return;
}
$actualSize = $this->sourceNode->getSize();
if ((int)$expectedSize !== $actualSize) {
// casted to string because cast to float cause equality for non equal numbers
// and integer has the problem of limited size on 32 bit systems
if ((string)$expectedSize !== (string)$actualSize) {
throw new BadRequest("Chunks on server do not sum up to $expectedSize but to $actualSize bytes");
}
}