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Set proper root path for single file shares originating from other storages #16632

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Merged
rullzer merged 3 commits into from
Sep 1, 2020
Merged

Set proper root path for single file shares originating from other storages #16632

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7512dc2
Set proper root path for single file shares originating from other st…
juliusknorr Aug 1, 2019
2879472
trim slashes
icewind1991 Aug 28, 2020
af381a9
remove unneeded if
icewind1991 Aug 28, 2020
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remove unneeded if 
Signed-off-by: Robin Appelman <[email protected]>
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@icewind1991
icewind1991 committed Aug 28, 2020
commit af381a9a934f349d72af6b712811f98292cc2c38
86 changes: 42 additions & 44 deletions apps/files_sharing/lib/SharedStorage.php
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Original file line number Diff line number Diff line change
Expand Up @@ -244,57 +244,55 @@ public function isSharable($path) {
}

public function fopen($path, $mode) {
if ($source = $this->getUnjailedPath($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 = $this->isCreatable(dirname($path));
$updatable = $this->isUpdatable($path);
// if neither permissions given, no need to continue
if (!$creatable && !$updatable) {
if (pathinfo($path, PATHINFO_EXTENSION) === 'part') {
$updatable = $this->isUpdatable(dirname($path));
}

if (!$updatable) {
return false;
}
$source = $this->getUnjailedPath($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 = $this->isCreatable(dirname($path));
$updatable = $this->isUpdatable($path);
// if neither permissions given, no need to continue
if (!$creatable && !$updatable) {
if (pathinfo($path, PATHINFO_EXTENSION) === 'part') {
$updatable = $this->isUpdatable(dirname($path));
}

$exists = $this->file_exists($path);
// if a file exists, updatable permissions are required
if ($exists && !$updatable) {
if (!$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;
}
$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 = [
'target' => $this->getMountPoint() . $path,
'source' => $source,
'mode' => $mode,
];
\OCP\Util::emitHook('\OC\Files\Storage\Shared', 'fopen', $info);
return $this->nonMaskedStorage->fopen($this->getUnjailedPath($path), $mode);
}
}
return false;
$info = [
'target' => $this->getMountPoint() . $path,
'source' => $source,
'mode' => $mode,
];
\OCP\Util::emitHook('\OC\Files\Storage\Shared', 'fopen', $info);
return $this->nonMaskedStorage->fopen($this->getUnjailedPath($path), $mode);
}

/**
Expand Down