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Fix empty file uploads to S3 (and other streaming storages) #14210

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Merged
rullzer merged 4 commits into from
Feb 18, 2019
Merged

Fix empty file uploads to S3 (and other streaming storages) #14210

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61d66d7
Fix empty file uploads to S3
rullzer Feb 14, 2019
3720add
Add a wrapper to determine if a file is EOF
rullzer Feb 14, 2019
3edffdd
Bump icewind/streams for supported streams
rullzer Feb 15, 2019
fc967a5
Make sure that we have a stream
rullzer Feb 18, 2019
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Add a wrapper to determine if a file is EOF 
The stream is already closed at this point. Which means feof will always
return false. We have to determine if the stream is EOF in the
preCloseCallback. And pass this info along. Then the logic works as
expected.

Signed-off-by: Roeland Jago Douma <[email protected]>
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@rullzer
rullzer committed Feb 15, 2019
commit 3720add736e7a3974ff869d92bca5e454ec302a4
10 changes: 8 additions & 2 deletions apps/dav/lib/Connector/Sabre/File.php
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,7 @@

namespace OCA\DAV\Connector\Sabre;

use Icewind\Streams\CallbackWrapper;
use OC\AppFramework\Http\Request;
use OC\Files\Filesystem;
use OC\Files\View;
Expand Down Expand Up @@ -166,10 +167,15 @@ public function put($data) {
}

if ($partStorage->instanceOfStorage(Storage\IWriteStreamStorage::class)) {
$count = $partStorage->writeStream($internalPartPath, $data);
$isEOF = false;
$wrappedData = CallbackWrapper::wrap($data, null, null, null, null, function($stream) use (&$isEOF) {
$isEOF = feof($stream);
});

$count = $partStorage->writeStream($internalPartPath, $wrappedData);
$result = $count > 0;
if ($result === false) {
$result = feof($data);
$result = $isEOF;
}

} else {
Expand Down