/**
* Send file back or from to remote service for remote editing
* Local repo only
*
* @return void redirect
*/
protected function _share()
{
// Check permission
if (!$this->model->access('content')) {
App::abort(403, Lang::txt('ALERTNOTAUTH'));
}
// Incoming
$converted = Request::getInt('converted', 0);
$service = Request::getVar('service', 'google');
$sync = false;
$shared = 0;
// Get stored remote connections
$remotes = $this->_getRemoteConnections(false);
// Params for repo call
$params = array('subdir' => $this->subdir, 'remoteConnections' => $remotes);
// Combine file and folder data
$items = $this->_sortIncoming();
if (empty($items)) {
$this->setError(Lang::txt('PLG_PROJECTS_FILES_ERROR_NO_FILES_TO_SHARE'));
} else {
// Sharing for a single file
$type = key($items[0]);
$item = $items[0][$type];
// Build metadata object
$file = $this->repo->getMetadata($item, $type, $params);
}
// Build return url
$url = $this->model->link('files');
$url .= $this->repo->isLocal() ? '' : '&repo=' . $this->repo->get('name');
$url .= $this->subdir ? '&subdir=' . urlencode($this->subdir) : '';
// Check user is connected
if (!empty($this->_remoteService)) {
$connected = $this->_connect->getStoredParam($this->_remoteService . '_token', $this->_uid);
if (!$connected) {
// Redirect to connect screen
\Notify::message(Lang::txt('PLG_PROJECTS_FILES_REMOTE_PLEASE_CONNECT'), 'success', 'projects');
App::redirect(Route::url($this->model->link('files') . '&action=connect'));
}
} else {
$this->setError(Lang::txt('PLG_PROJECTS_FILES_ERROR_REMOTE_NOT_ENABLED'));
}
// Confirmation screen
if ($this->_task == 'share') {
// Output HTML
$view = new \Hubzero\Plugin\View(array('folder' => 'projects', 'element' => 'files', 'name' => 'share'));
$view->option = $this->_option;
$view->model = $this->model;
$view->repo = $this->repo;
$view->uid = $this->_uid;
$view->subdir = $this->subdir;
$view->path = $this->_path;
if ($this->getError()) {
$view->setError($this->getError());
} else {
$view->file = !empty($file) ? $file : NULL;
$view->connect = $this->_connect;
$view->service = $this->_remoteService;
}
return $view->loadTemplate();
}
// On error
if ($this->getError()) {
// Output error
$view = new \Hubzero\Plugin\View(array('folder' => 'projects', 'element' => 'files', 'name' => 'error'));
$view->title = '';
$view->option = $this->_option;
$view->setError($this->getError());
return $view->loadTemplate();
}
// Send file for remote editing on Google
if ($this->_task == 'shareit') {
// Get convertable formats
$formats = \Components\Projects\Helpers\Google::getGoogleConversionExts();
// Import remote file
if ($file->get('converted')) {
// Load remote resource
$resource = $this->_connect->loadRemoteResource($service, $this->_uid, $file->get('remoteId'));
if (!$resource) {
$this->setError(Lang::txt('PLG_PROJECTS_FILES_SHARING_NO_REMOTE'));
} else {
// Incoming
$importExt = Request::getVar('format', 'pdf', 'post');
// Remove Google native extension from title
$title = $file->get('name');
if (in_array($file->get('ext'), array('gdoc', 'gsheet', 'gslides', 'gdraw'))) {
$title = preg_replace("/." . $file->get('ext') . "\\z/", "", $file->get('name'));
}
// Do we have extention in name already? - take it out
$n_parts = explode('.', $title);
$n_ext = count($n_parts) > 1 ? array_pop($n_parts) : '';
$title = implode($n_parts);
$title .= '.' . $importExt;
$newpath = $this->subdir ? $this->subdir . DS . $title : $title;
$file->set('localPath', $newpath);
$file->set('name', $title);
$file->set('fullPath', $this->_path . DS . $newpath);
// Replacing file?
$exists = file_exists($file->get('fullPath')) ? 1 : 0;
// Download remote file
if ($this->_connect->importFile($this->_remoteService, $this->_uid, $resource, $file->get('localPath'), $this->repo->get('path'), $importExt)) {
// Checkin into repo
$params['file'] = $file;
$this->repo->call('checkin', $params);
// Remove remote resource
$deleted = $this->_connect->deleteRemoteItem($this->model->get('id'), $service, $this->_uid, $file->get('remoteId'), false);
// Create remote file for imported file
$created = NULL;
if (!$exists) {
$created = $this->_connect->addRemoteFile($this->model->get('id'), $this->_remoteService, $this->_uid, $file);
}
// Update connection record
$this->_connect->savePairing($this->model->get('id'), $this->_remoteService, $created, $file->get('localPath'), $file->get('recordId'), $file->get('originalPath'), $file->get('originalFormat'), $file->get('remoteId'));
}
// Output message
\Notify::message(Lang::txt('PLG_PROJECTS_FILES_UNSHARE_SUCCESS') . ' ' . $title, 'success', 'projects');
// Force sync
$sync = true;
}
} else {
// Check that local file exists
if (!$this->repo->fileExists($file->get('localPath'))) {
$this->setError(Lang::txt('PLG_PROJECTS_FILES_SHARING_LOCAL_FILE_MISSING'));
} else {
// LaTeX?
$tex = Components\Projects\Helpers\Compiler::isTexFile($file->get('name'), $file->getMimeType());
// Check format
if (!in_array($file->get('ext'), $formats) && !$tex) {
$this->setError(Lang::txt('PLG_PROJECTS_FILES_SHARING_NOT_CONVERTABLE'));
}
if (!$this->getError()) {
if ($tex) {
// LaTeX? Convert to text file first
$file->set('mimeType', 'text/plain');
}
if ($file->get('ext') == 'wmf') {
// WMF files need this mime type specified for conversion to Google drawing
$file->set('mimeType', 'application/x-msmetafile');
}
if ($file->get('ext') == 'ppt' || $file->get('ext') == 'pps' || $file->get('ext') == 'pptx') {
$file->set('mimeType', 'application/vnd.openxmlformats-officedocument.presentationml.presentation');
}
// Convert file
$added = $this->_connect->addRemoteFile($this->model->get('id'), $this->_remoteService, $this->_uid, $file, $file->get('remoteParent'), true);
if ($added) {
// Remove original local file
$params['file'] = $file;
$this->repo->deleteItem($params);
// Remove original remote file
$deleted = $this->_connect->deleteRemoteItem($this->model->get('id'), $this->_remoteService, $this->_uid, $file->get('remoteId'), false);
$file->clear('mimeType');
$file->setMimeType();
// Update connection record
$this->_connect->savePairing($this->model->get('id'), $this->_remoteService, $added, '', $file->get('recordId'), $file->get('originalPath'), $file->get('mimeType'), $file->get('remoteId'));
// Output message
\Notify::message(Lang::txt('PLG_PROJECTS_FILES_SHARE_SUCCESS'), 'success', 'projects');
// Force sync
$sync = true;
} else {
// Something went wrong
$this->setError(Lang::txt('PLG_PROJECTS_FILES_SHARE_ERROR_NO_CONVERT'));
if ($this->_connect->getError()) {
$this->setError($this->_connect->getError());
}
}
}
}
}
}
// Pass success or error message
if ($this->getError()) {
\Notify::message($this->getError(), 'error', 'projects');
}
// Force sync
if ($sync && $this->repo->isLocal()) {
$this->model->saveParam('google_sync_queue', 1);
}
// Redirect to file list
App::redirect(Route::url($url));
}
/**
* Compiles PDF/image preview for any kind of file
*
* @return string
*/
public function compile()
{
// Combine file and folder data
$items = $this->getCollection();
// Incoming
$download = Request::getInt('download', 0);
// Check that we have compile enabled
// @FIXME: why are latex and compiled preview tied together?
// presumedly we are also 'compiling' pdfs?
if (!$this->params->get('latex')) {
$this->setError(Lang::txt('PLG_PROJECTS_FILES_COMPILE_NOTALLOWED'));
return;
}
// Output HTML
$view = new \Hubzero\Plugin\View(['folder' => 'projects', 'element' => 'files', 'name' => 'connected', 'layout' => 'compiled']);
// Make sure we have an item
if (count($items) == 0) {
$view->setError(Lang::txt('PLG_PROJECTS_FILES_ERROR_NO_FILES_TO_COMPILE'));
$view->loadTemplate();
return;
}
// We can only handle one file at a time
$file = $items->first();
// Build path for storing temp previews
$imagePath = trim($this->model->config()->get('imagepath', '/site/projects'), DS);
$outputDir = DS . $imagePath . DS . strtolower($this->model->get('alias')) . DS . 'compiled';
// Make sure output dir exists
if (!is_dir(PATH_APP . $outputDir)) {
if (!Filesystem::makeDirectory(PATH_APP . $outputDir)) {
$this->setError(Lang::txt('PLG_PROJECTS_FILES_UNABLE_TO_CREATE_UPLOAD_PATH'));
return;
}
}
// Get LaTeX helper
$compiler = new \Components\Projects\Helpers\Compiler();
// Tex compiler path
$texPath = DS . trim($this->params->get('texpath'), DS);
// Set view args and defaults
$view->file = $file;
$view->oWidth = '780';
$view->oHeight = '460';
$view->url = $this->model->link('files');
$cExt = 'pdf';
// Tex file?
$tex = $compiler->isTexFile($file->getName());
// Build temp name
$tempBase = $tex ? 'temp__' . \Components\Projects\Helpers\Html::takeOutExt($file->getName()) : $file->getName();
$tempBase = str_replace(' ', '_', $tempBase);
$view->data = $file->isImage() ? NULL : $file->read();
// LaTeX file?
if ($tex && !empty($view->data)) {
// Clean up data from Windows characters - important!
$view->data = preg_replace('/[^(\\x20-\\x7F)\\x0A]*/', '', $view->data);
// Store file locally
$tmpfile = PATH_APP . $outputDir . DS . $tempBase;
file_put_contents($tmpfile, $view->data);
// Compile and get path to PDF
$contentFile = $compiler->compileTex($tmpfile, $view->data, $texPath, PATH_APP . $outputDir, 1, $tempBase);
// Read log (to show in case of error)
$logFile = $tempBase . '.log';
if (file_exists(PATH_APP . $outputDir . DS . $logFile)) {
$view->log = Filesystem::read(PATH_APP . $outputDir . DS . $logFile);
}
if (!$contentFile) {
$this->setError(Lang::txt('PLG_PROJECTS_FILES_ERROR_COMPILE_TEX_FAILED'));
}
$cType = Filesystem::mimetype(PATH_APP . $outputDir . DS . $contentFile);
} else {
// Make sure we can handle preview of this type of file
if ($file->hasExtension('pdf') || $file->isImage() || !$file->isBinary()) {
$origin = $this->connection->provider->alias . '://' . $file->getPath();
$dest = 'compiled://' . $tempBase;
// Do the copy
Manager::adapter('local', ['path' => PATH_APP . $outputDir . DS], 'compiled');
Manager::copy($origin, $dest);
$contentFile = $tempBase;
}
}
// Parse output
if (!empty($contentFile) && file_exists(PATH_APP . $outputDir . DS . $contentFile)) {
// Get compiled content mimetype
$cType = Filesystem::mimetype(PATH_APP . $outputDir . DS . $contentFile);
// Is image?
if (strpos($cType, 'image/') !== false) {
// Fix up object width & height
list($width, $height, $type, $attr) = getimagesize(PATH_APP . $outputDir . DS . $contentFile);
$xRatio = $view->oWidth / $width;
$yRatio = $view->oHeight / $height;
if ($xRatio * $height < $view->oHeight) {
// Resize the image based on width
$view->oHeight = ceil($xRatio * $height);
} else {
// Resize the image based on height
$view->oWidth = ceil($yRatio * $width);
}
}
// Download compiled file?
if ($download) {
$pdfName = $tex ? str_replace('temp__', '', basename($contentFile)) : basename($contentFile);
// Serve up file
$server = new \Hubzero\Content\Server();
$server->filename(PATH_APP . $outputDir . DS . $contentFile);
$server->disposition('attachment');
$server->acceptranges(false);
$server->saveas($pdfName);
$result = $server->serve();
if (!$result) {
// Should only get here on error
throw new Exception(Lang::txt('PLG_PROJECTS_FILES_SERVER_ERROR'), 404);
} else {
exit;
}
}
// Generate preview image for browsers that cannot embed pdf
if ($cType == 'application/pdf') {
// GS path
$gspath = trim($this->params->get('gspath'), DS);
if ($gspath && file_exists(DS . $gspath . DS . 'gs')) {
$gspath = DS . $gspath . DS;
$pdfName = $tex ? str_replace('temp__', '', basename($contentFile)) : basename($contentFile);
$pdfPath = PATH_APP . $outputDir . DS . $contentFile;
$exportPath = PATH_APP . $outputDir . DS . $tempBase . '%d.jpg';
exec($gspath . "gs -dNOPAUSE -sDEVICE=jpeg -r300 -dFirstPage=1 -dLastPage=1 -sOutputFile={$exportPath} {$pdfPath} 2>&1", $out);
if (is_file(PATH_APP . $outputDir . DS . $tempBase . '1.jpg')) {
$hi = new \Hubzero\Image\Processor(PATH_APP . $outputDir . DS . $tempBase . '1.jpg');
if (count($hi->getErrors()) == 0) {
$hi->resize($view->oWidth, false, false, true);
$hi->save(PATH_APP . $outputDir . DS . $tempBase . '1.jpg');
} else {
return false;
}
}
if (is_file(PATH_APP . $outputDir . DS . $tempBase . '1.jpg')) {
$image = $tempBase . '1.jpg';
}
}
}
} elseif (!$this->getError()) {
$this->setError(Lang::txt('PLG_PROJECTS_FILES_ERROR_COMPILE_PREVIEW_FAILED'));
}
$view->file = $file;
$view->outputDir = $outputDir;
$view->embed = $contentFile;
$view->cType = $cType;
$view->subdir = $this->subdir;
$view->option = $this->_option;
$view->image = !empty($image) ? $image : NULL;
$view->model = $this->model;
$view->repo = $this->repo;
$view->connection = $this->connection;
if ($this->getError()) {
$view->setError($this->getError());
}
return $view->loadTemplate();
}
