/**
* Gets all versions of a note
*
* @NoAdminRequired
* @NoCSRFRequired
* @CORS
*
* @return array
*/
public function getAllVersions()
{
$source = $this->request->getParam("file_name", "");
list($uid, $filename) = Storage::getUidAndFilename($source);
$versions = Storage::getVersions($uid, $filename, $source);
$versionsResults = array();
if (is_array($versions) && count($versions) > 0) {
require_once __DIR__ . '/../3rdparty/finediff/finediff.php';
$users_view = new View('/' . $uid);
$currentData = $users_view->file_get_contents('files/' . $filename);
// $previousData = $currentData;
// $versions = array_reverse( $versions, true );
foreach ($versions as $versionData) {
// get timestamp of version
$mtime = (int) $versionData["version"];
// get filename of note version
$versionFileName = 'files_versions/' . $filename . '.v' . $mtime;
// load the data from the file
$data = $users_view->file_get_contents($versionFileName);
// calculate diff between versions
$opcodes = \FineDiff::getDiffOpcodes($currentData, $data);
$html = \FineDiff::renderDiffToHTMLFromOpcodes($currentData, $opcodes);
$versionsResults[] = array("timestamp" => $mtime, "humanReadableTimestamp" => $versionData["humanReadableTimestamp"], "diffHtml" => $html, "data" => $data);
// $previousData = $data;
}
// $versionsResults = array_reverse( $versionsResults );
}
return array("file_name" => $source, "versions" => $versionsResults);
}
}
$file = array_key_exists('file', $_GET) ? (string) urldecode($_GET['file']) : '';
$maxX = array_key_exists('x', $_GET) ? (int) $_GET['x'] : 44;
$maxY = array_key_exists('y', $_GET) ? (int) $_GET['y'] : 44;
$version = array_key_exists('version', $_GET) ? $_GET['version'] : '';
$scalingUp = array_key_exists('scalingup', $_GET) ? (bool) $_GET['scalingup'] : true;
if ($file === '' && $version === '') {
\OC_Response::setStatus(400);
//400 Bad Request
\OC_Log::write('versions-preview', 'No file parameter was passed', \OC_Log::DEBUG);
exit;
}
if ($maxX === 0 || $maxY === 0) {
\OC_Response::setStatus(400);
//400 Bad Request
\OC_Log::write('versions-preview', 'x and/or y set to 0', \OC_Log::DEBUG);
exit;
}
try {
list($user, $file) = \OCA\Files_Versions\Storage::getUidAndFilename($file);
$preview = new \OC\Preview($user, 'files_versions', $file . '.v' . $version);
$mimetype = \OC_Helper::getFileNameMimeType($file);
$preview->setMimetype($mimetype);
$preview->setMaxX($maxX);
$preview->setMaxY($maxY);
$preview->setScalingUp($scalingUp);
$preview->showPreview();
} catch (\Exception $e) {
\OC_Response::setStatus(500);
\OC_Log::write('core', $e->getmessage(), \OC_Log::DEBUG);
}
/**
* @NoAdminRequired
* @NoCSRFRequired
* @PublicPage
* Given an access token and a fileId, returns the contents of the file.
* Expects a valid token in access_token parameter.
*/
public function wopiGetFile($fileId)
{
$token = $this->request->getParam('access_token');
$arr = explode('_', $fileId, 2);
$version = '0';
if (count($arr) == 2) {
$fileId = $arr[0];
$version = $arr[1];
}
\OC::$server->getLogger()->debug('Getting contents of file {fileId}, version {version} by token {token}.', ['app' => $this->appName, 'fileId' => $fileId, 'version' => $version, 'token' => $token]);
$row = new Db\Wopi();
$row->loadBy('token', $token);
//TODO: Support X-WOPIMaxExpectedSize header.
$res = $row->getPathForToken($fileId, $version, $token);
$ownerid = $res['owner'];
// Login the user to see his mount locations
$this->loginUser($ownerid);
$filename = '';
// If some previous version is requested, fetch it from Files_Version app
if ($version !== '0') {
\OCP\JSON::checkAppEnabled('files_versions');
// Setup the FS
\OC_Util::tearDownFS();
\OC_Util::setupFS($ownerid, '/' . $ownerid . '/files');
list($ownerid, $filename) = \OCA\Files_Versions\Storage::getUidAndFilename($res['path']);
$filename = '/files_versions/' . $filename . '.v' . $version;
\OC_Util::tearDownFS();
} else {
$filename = '/files' . $res['path'];
}
// Close the session created for user login
\OC::$server->getSession()->close();
return new DownloadResponse($this->request, $ownerid, $filename);
}
