Merge pull request #8547 from owncloud/path-length-master

Handling long paths properly in \OC\Files\View
This commit is contained in:
Thomas Müller 2014-05-29 00:08:29 +02:00
commit 3ef9570d02
4 changed files with 141 additions and 5 deletions

View File

@ -257,7 +257,7 @@
<type>text</type> <type>text</type>
<default></default> <default></default>
<notnull>false</notnull> <notnull>false</notnull>
<length>512</length> <length>4000</length>
</field> </field>
<field> <field>

View File

@ -29,14 +29,13 @@ use OC\Files\Cache\Updater;
class View { class View {
private $fakeRoot = ''; private $fakeRoot = '';
private $internal_path_cache = array();
private $storage_cache = array();
public function __construct($root = '') { public function __construct($root = '') {
$this->fakeRoot = $root; $this->fakeRoot = $root;
} }
public function getAbsolutePath($path = '/') { public function getAbsolutePath($path = '/') {
$this->assertPathLength($path);
if ($path === '') { if ($path === '') {
$path = '/'; $path = '/';
} }
@ -77,6 +76,7 @@ class View {
* @return string * @return string
*/ */
public function getRelativePath($path) { public function getRelativePath($path) {
$this->assertPathLength($path);
if ($this->fakeRoot == '') { if ($this->fakeRoot == '') {
return $path; return $path;
} }
@ -208,6 +208,7 @@ class View {
} }
public function readfile($path) { public function readfile($path) {
$this->assertPathLength($path);
@ob_end_clean(); @ob_end_clean();
$handle = $this->fopen($path, 'rb'); $handle = $this->fopen($path, 'rb');
if ($handle) { if ($handle) {
@ -595,6 +596,7 @@ class View {
} }
public function toTmpFile($path) { public function toTmpFile($path) {
$this->assertPathLength($path);
if (Filesystem::isValidPath($path)) { if (Filesystem::isValidPath($path)) {
$source = $this->fopen($path, 'r'); $source = $this->fopen($path, 'r');
if ($source) { if ($source) {
@ -611,7 +613,7 @@ class View {
} }
public function fromTmpFile($tmpFile, $path) { public function fromTmpFile($tmpFile, $path) {
$this->assertPathLength($path);
if (Filesystem::isValidPath($path)) { if (Filesystem::isValidPath($path)) {
// Get directory that the file is going into // Get directory that the file is going into
@ -640,6 +642,7 @@ class View {
} }
public function getMimeType($path) { public function getMimeType($path) {
$this->assertPathLength($path);
return $this->basicOperation('getMimeType', $path); return $this->basicOperation('getMimeType', $path);
} }
@ -669,6 +672,7 @@ class View {
} }
public function free_space($path = '/') { public function free_space($path = '/') {
$this->assertPathLength($path);
return $this->basicOperation('free_space', $path); return $this->basicOperation('free_space', $path);
} }
@ -808,6 +812,7 @@ class View {
* @return \OC\Files\FileInfo|false * @return \OC\Files\FileInfo|false
*/ */
public function getFileInfo($path, $includeMountPoints = true) { public function getFileInfo($path, $includeMountPoints = true) {
$this->assertPathLength($path);
$data = array(); $data = array();
if (!Filesystem::isValidPath($path)) { if (!Filesystem::isValidPath($path)) {
return $data; return $data;
@ -878,6 +883,7 @@ class View {
* @return FileInfo[] * @return FileInfo[]
*/ */
public function getDirectoryContent($directory, $mimetype_filter = '') { public function getDirectoryContent($directory, $mimetype_filter = '') {
$this->assertPathLength($directory);
$result = array(); $result = array();
if (!Filesystem::isValidPath($directory)) { if (!Filesystem::isValidPath($directory)) {
return $result; return $result;
@ -1006,6 +1012,7 @@ class View {
* returns the fileid of the updated file * returns the fileid of the updated file
*/ */
public function putFileInfo($path, $data) { public function putFileInfo($path, $data) {
$this->assertPathLength($path);
if ($data instanceof FileInfo) { if ($data instanceof FileInfo) {
$data = $data->getData(); $data = $data->getData();
} }
@ -1153,4 +1160,12 @@ class View {
} }
return null; return null;
} }
private function assertPathLength($path) {
$maxLen = min(PHP_MAXPATHLEN, 4000);
$pathLen = strlen($path);
if ($pathLen > $maxLen) {
throw new \OCP\Files\InvalidPathException("Path length($pathLen) exceeds max path length($maxLen): $path");
}
}
} }

View File

@ -20,6 +20,7 @@ class View extends \PHPUnit_Framework_TestCase {
* @var \OC\Files\Storage\Storage[] $storages * @var \OC\Files\Storage\Storage[] $storages
*/ */
private $storages = array(); private $storages = array();
private $user;
public function setUp() { public function setUp() {
\OC_User::clearBackends(); \OC_User::clearBackends();
@ -569,6 +570,47 @@ class View extends \PHPUnit_Framework_TestCase {
} }
} }
public function testLongPath() {
$storage = new \OC\Files\Storage\Temporary(array());
\OC\Files\Filesystem::mount($storage, array(), '/');
$rootView = new \OC\Files\View('');
$longPath = '';
// 4000 is the maximum path length in file_cache.path
$folderName = 'abcdefghijklmnopqrstuvwxyz012345678901234567890123456789';
$depth = (4000/57);
foreach (range(0, $depth-1) as $i) {
$longPath .= '/'.$folderName;
$result = $rootView->mkdir($longPath);
$this->assertTrue($result, "mkdir failed on $i - path length: " . strlen($longPath));
$result = $rootView->file_put_contents($longPath . '/test.txt', 'lorem');
$this->assertEquals(5, $result, "file_put_contents failed on $i");
$this->assertTrue($rootView->file_exists($longPath));
$this->assertTrue($rootView->file_exists($longPath . '/test.txt'));
}
$cache = $storage->getCache();
$scanner = $storage->getScanner();
$scanner->scan('');
$longPath = $folderName;
foreach (range(0, $depth-1) as $i) {
$cachedFolder = $cache->get($longPath);
$this->assertTrue(is_array($cachedFolder), "No cache entry for folder at $i");
$this->assertEquals($folderName, $cachedFolder['name'], "Wrong cache entry for folder at $i");
$cachedFile = $cache->get($longPath . '/test.txt');
$this->assertTrue(is_array($cachedFile), "No cache entry for file at $i");
$this->assertEquals('test.txt', $cachedFile['name'], "Wrong cache entry for file at $i");
$longPath .= '/' . $folderName;
}
}
public function testTouchNotSupported() { public function testTouchNotSupported() {
$storage = new TemporaryNoTouch(array()); $storage = new TemporaryNoTouch(array());
$scanner = $storage->getScanner(); $scanner = $storage->getScanner();
@ -605,4 +647,83 @@ class View extends \PHPUnit_Framework_TestCase {
array('/files/test', '/test'), array('/files/test', '/test'),
); );
} }
/**
* @dataProvider tooLongPathDataProvider
* @expectedException \OCP\Files\InvalidPathException
*/
public function testTooLongPath($operation, $param0 = NULL) {
$longPath = '';
// 4000 is the maximum path length in file_cache.path
$folderName = 'abcdefghijklmnopqrstuvwxyz012345678901234567890123456789';
$depth = (4000/57);
foreach (range(0, $depth+1) as $i) {
$longPath .= '/'.$folderName;
}
$storage = new \OC\Files\Storage\Temporary(array());
\OC\Files\Filesystem::mount($storage, array(), '/');
$rootView = new \OC\Files\View('');
if ($param0 === '@0') {
$param0 = $longPath;
}
if ($operation === 'hash') {
$param0 = $longPath;
$longPath = 'md5';
}
call_user_func(array($rootView, $operation), $longPath, $param0);
}
public function tooLongPathDataProvider() {
return array(
array('getAbsolutePath'),
array('getRelativePath'),
array('getMountPoint'),
array('resolvePath'),
array('getLocalFile'),
array('getLocalFolder'),
array('mkdir'),
array('rmdir'),
array('opendir'),
array('is_dir'),
array('is_file'),
array('stat'),
array('filetype'),
array('filesize'),
array('readfile'),
array('isCreatable'),
array('isReadable'),
array('isUpdatable'),
array('isDeletable'),
array('isSharable'),
array('file_exists'),
array('filemtime'),
array('touch'),
array('file_get_contents'),
array('unlink'),
array('deleteAll'),
array('toTmpFile'),
array('getMimeType'),
array('free_space'),
array('getFileInfo'),
array('getDirectoryContent'),
array('getOwner'),
array('getETag'),
array('file_put_contents', 'ipsum'),
array('rename', '@0'),
array('copy', '@0'),
array('fopen', 'r'),
array('fromTmpFile', '@0'),
array('hash'),
array('hasUpdated', 0),
array('putFileInfo', array()),
);
}
} }

View File

@ -3,7 +3,7 @@
// We only can count up. The 4. digit is only for the internal patchlevel to trigger DB upgrades // We only can count up. The 4. digit is only for the internal patchlevel to trigger DB upgrades
// between betas, final and RCs. This is _not_ the public version number. Reset minor/patchlevel // between betas, final and RCs. This is _not_ the public version number. Reset minor/patchlevel
// when updating major/minor version number. // when updating major/minor version number.
$OC_Version=array(6, 90, 0, 2); $OC_Version=array(6, 90, 0, 3);
// The human readable string // The human readable string
$OC_VersionString='7.0 pre alpha'; $OC_VersionString='7.0 pre alpha';