/**
* @medium
*/
public function testIsEncryptedContent()
{
$this->assertFalse(\OCA\Files_Encryption\Crypt::isCatfileContent($this->dataUrl));
$this->assertFalse(\OCA\Files_Encryption\Crypt::isCatfileContent($this->legacyEncryptedData));
$keyfileContent = \OCA\Files_Encryption\Crypt::symmetricEncryptFileContent($this->dataUrl, 'hat', 'AES-128-CFB');
$this->assertTrue(\OCA\Files_Encryption\Crypt::isCatfileContent($keyfileContent));
}
/**
* Check if a given path identifies an encrypted file
* @param string $path
* @return boolean
*/
public function isEncryptedPath($path)
{
// Disable encryption proxy so data retrieved is in its
// original form
$proxyStatus = \OC_FileProxy::$enabled;
\OC_FileProxy::$enabled = false;
$data = '';
// we only need 24 byte from the last chunk
if ($this->view->file_exists($path)) {
$handle = $this->view->fopen($path, 'r');
if (is_resource($handle)) {
// suppress fseek warining, we handle the case that fseek doesn't
// work in the else branch
if (@fseek($handle, -24, SEEK_END) === 0) {
$data = fgets($handle);
} else {
// if fseek failed on the storage we create a local copy from the file
// and read this one
fclose($handle);
$localFile = $this->view->getLocalFile($path);
$handle = fopen($localFile, 'r');
if (is_resource($handle) && fseek($handle, -24, SEEK_END) === 0) {
$data = fgets($handle);
}
}
fclose($handle);
}
}
// re-enable proxy
\OC_FileProxy::$enabled = $proxyStatus;
return Crypt::isCatfileContent($data);
}
/**
* test webdav put random file
*/
function testWebdavPUT()
{
// generate filename
$filename = '/tmp-' . $this->getUniqueID() . '.txt';
// set server vars
$_SERVER['REQUEST_METHOD'] = 'OPTIONS';
$_SERVER['REQUEST_METHOD'] = 'PUT';
$_SERVER['REQUEST_URI'] = '/remote.php/webdav' . $filename;
$_SERVER['HTTP_AUTHORIZATION'] = 'Basic dGVzdC13ZWJkYXYtdXNlcjE6dGVzdC13ZWJkYXYtdXNlcjE=';
$_SERVER['CONTENT_TYPE'] = 'application/octet-stream';
$_SERVER['PATH_INFO'] = '/webdav' . $filename;
$_SERVER['CONTENT_LENGTH'] = strlen($this->dataShort);
// handle webdav request
$this->handleWebdavRequest($this->dataShort);
// check if file was created
$this->assertTrue($this->view->file_exists('/' . $this->userId . '/files' . $filename));
// check if key-file was created
$this->assertTrue($this->view->file_exists('/' . $this->userId . '/files_encryption/keys/' . $filename . '/fileKey'));
// check if shareKey-file was created
$this->assertTrue($this->view->file_exists('/' . $this->userId . '/files_encryption/keys/' . $filename . '/' . $this->userId . '.shareKey'));
// disable encryption proxy to prevent recursive calls
$proxyStatus = \OC_FileProxy::$enabled;
\OC_FileProxy::$enabled = false;
// get encrypted file content
$encryptedContent = $this->view->file_get_contents('/' . $this->userId . '/files' . $filename);
// restore proxy state
\OC_FileProxy::$enabled = $proxyStatus;
// check if encrypted content is valid
$this->assertTrue(\OCA\Files_Encryption\Crypt::isCatfileContent($encryptedContent));
// get decrypted file contents
$decrypt = file_get_contents('crypt:///' . $this->userId . '/files' . $filename);
// check if file content match with the written content
$this->assertEquals($this->dataShort, $decrypt);
// return filename for next test
return $filename;
}
