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Detect aborted connection in OC\Files\View and stop writing data to the

Browse source 
output buffer

Signed-off-by: Côme Chilliet <come.chilliet@nextcloud.com>
This commit is contained in:
Côme Chilliet 2023-09-04 14:56:06 +02:00 committed by backportbot-nextcloud[bot]
parent 02e009867b
commit b7d82f7c01
2 changed files with 10 additions and 3 deletions
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10
lib/private/Files/View.php
View file

@ -430,6 +430,7 @@ class View {
$chunkSize = 524288; // 512 kB chunks
while (!feof($handle)) {
echo fread($handle, $chunkSize);
$this->checkConnectionStatus();
flush();
}
fclose($handle);
@ -482,6 +483,7 @@ class View {
$len = $chunkSize;
}
echo fread($handle, $len);
$this->checkConnectionStatus();
flush();
}
return ftell($handle) - $from;
@ -492,6 +494,14 @@ class View {
return false;
}
private function checkConnectionStatus(): void {
$connectionStatus = \connection_status();
if ($connectionStatus !== 0) {
throw new \RuntimeException("Connection lost. Status: $connectionStatus");
}
}
/**
* @param string $path
* @return mixed

3
lib/private/legacy/OC_Files.php
View file

@ -235,9 +235,6 @@ class OC_Files {
OC::$server->getLogger()->logException($ex);
$l = \OC::$server->getL10N('lib');
$hint = method_exists($ex, 'getHint') ? $ex->getHint() : '';
if ($event && $event->getErrorMessage() !== null) {
$hint .= ' ' . $event->getErrorMessage();
}
\OC_Template::printErrorPage($l->t('Cannot download file'), $hint, 200);
}
}