public function fopen($path, $mode)
{
if ($source = $this->getSourcePath($path)) {
switch ($mode) {
case 'r+':
case 'rb+':
case 'w+':
case 'wb+':
case 'x+':
case 'xb+':
case 'a+':
case 'ab+':
case 'w':
case 'wb':
case 'x':
case 'xb':
case 'a':
case 'ab':
$creatable = $this->isCreatable($path);
$updatable = $this->isUpdatable($path);
// if neither permissions given, no need to continue
if (!$creatable && !$updatable) {
return false;
}
$exists = $this->file_exists($path);
// if a file exists, updatable permissions are required
if ($exists && !$updatable) {
return false;
}
// part file is allowed if !$creatable but the final file is $updatable
if (pathinfo($path, PATHINFO_EXTENSION) !== 'part') {
if (!$exists && !$creatable) {
return false;
}
}
}
$info = array('target' => $this->getMountPoint() . $path, 'source' => $source, 'mode' => $mode);
\OCP\Util::emitHook('\\OC\\Files\\Storage\\Shared', 'fopen', $info);
return parent::fopen($path, $mode);
}
return false;
}
