view->loginOk) { Minz_Error::error( 403, array('error' => array(_t('access_denied'))) ); } require_once(LIB_PATH . '/lib_opml.php'); $this->catDAO = new FreshRSS_CategoryDAO(); $this->entryDAO = FreshRSS_Factory::createEntryDao(); $this->feedDAO = FreshRSS_Factory::createFeedDao(); } public function indexAction() { $this->view->categories = $this->catDAO->listCategories(); $this->view->feeds = $this->feedDAO->listFeeds(); Minz_View::prependTitle(_t('import_export') . ' ยท '); } public function importAction() { if (!Minz_Request::isPost()) { Minz_Request::forward(array('c' => 'importExport', 'a' => 'index'), true); } $file = $_FILES['file']; $status_file = $file['error']; if ($status_file !== 0) { Minz_Log::error('File cannot be uploaded. Error code: ' . $status_file); Minz_Request::bad(_t('file_cannot_be_uploaded'), array('c' => 'importExport', 'a' => 'index')); } @set_time_limit(300); $type_file = $this->guessFileType($file['name']); $list_files = array( 'opml' => array(), 'json_starred' => array(), 'json_feed' => array() ); // We try to list all files according to their type $list = array(); if ($type_file === 'zip' && extension_loaded('zip')) { $zip = zip_open($file['tmp_name']); if (!is_resource($zip)) { // zip_open cannot open file: something is wrong Minz_Log::error('Zip archive cannot be imported. Error code: ' . $zip); Minz_Request::bad(_t('zip_error'), array('c' => 'importExport', 'a' => 'index')); } while (($zipfile = zip_read($zip)) !== false) { if (!is_resource($zipfile)) { // zip_entry() can also return an error code! Minz_Log::error('Zip file cannot be imported. Error code: ' . $zipfile); } else { $type_zipfile = $this->guessFileType(zip_entry_name($zipfile)); if ($type_file !== 'unknown') { $list_files[$type_zipfile][] = zip_entry_read( $zipfile, zip_entry_filesize($zipfile) ); } } } zip_close($zip); } elseif ($type_file === 'zip') { // Zip extension is not loaded Minz_Request::bad(_t('no_zip_extension'), array('c' => 'importExport', 'a' => 'index')); } elseif ($type_file !== 'unknown') { $list_files[$type_file][] = file_get_contents($file['tmp_name']); } // Import file contents. // OPML first(so categories and feeds are imported) // Starred articles then so the "favourite" status is already set // And finally all other files. $error = false; foreach ($list_files['opml'] as $opml_file) { $error = $this->importOpml($opml_file); } foreach ($list_files['json_starred'] as $article_file) { $error = $this->importArticles($article_file, true); } foreach ($list_files['json_feed'] as $article_file) { $error = $this->importArticles($article_file); } // And finally, we get import status and redirect to the home page Minz_Session::_param('actualize_feeds', true); $content_notif = $error === true ? _t('feeds_imported_with_errors') : _t('feeds_imported'); Minz_Request::good($content_notif); } private function guessFileType($filename) { // A *very* basic guess file type function. Only based on filename // That's could be improved but should be enough, at least for a first // implementation. // TODO: improve this function? if (substr_compare($filename, '.zip', -4) === 0) { return 'zip'; } elseif (substr_compare($filename, '.opml', -5) === 0 || substr_compare($filename, '.xml', -4) === 0) { return 'opml'; } elseif (substr_compare($filename, '.json', -5) === 0 && strpos($filename, 'starred') !== false) { return 'json_starred'; } elseif (substr_compare($filename, '.json', -5) === 0 && strpos($filename, 'feed_') === 0) { return 'json_feed'; } else { return 'unknown'; } } private function importOpml($opml_file) { $opml_array = array(); try { $opml_array = libopml_parse_string($opml_file); } catch (LibOPML_Exception $e) { Minz_Log::warning($e->getMessage()); return true; } $this->catDAO->checkDefault(); return $this->addOpmlElements($opml_array['body']); } private function addOpmlElements($opml_elements, $parent_cat = null) { $error = false; foreach ($opml_elements as $elt) { $res = false; if (isset($elt['xmlUrl'])) { $res = $this->addFeedOpml($elt, $parent_cat); } else { $res = $this->addCategoryOpml($elt, $parent_cat); } if (!$error && $res) { // oops: there is at least one error! $error = $res; } } return $error; } private function addFeedOpml($feed_elt, $parent_cat) { if (is_null($parent_cat)) { // This feed has no parent category so we get the default one $parent_cat = $this->catDAO->getDefault()->name(); } $cat = $this->catDAO->searchByName($parent_cat); if (!$cat) { return true; } // We get different useful information $url = Minz_Helper::htmlspecialchars_utf8($feed_elt['xmlUrl']); $name = Minz_Helper::htmlspecialchars_utf8($feed_elt['text']); $website = ''; if (isset($feed_elt['htmlUrl'])) { $website = Minz_Helper::htmlspecialchars_utf8($feed_elt['htmlUrl']); } $description = ''; if (isset($feed_elt['description'])) { $description = Minz_Helper::htmlspecialchars_utf8($feed_elt['description']); } $error = false; try { // Create a Feed object and add it in DB $feed = new FreshRSS_Feed($url); $feed->_category($cat->id()); $feed->_name($name); $feed->_website($website); $feed->_description($description); // addFeedObject checks if feed is already in DB so nothing else to // check here $id = $this->feedDAO->addFeedObject($feed); $error = ($id === false); } catch (FreshRSS_Feed_Exception $e) { Minz_Log::warning($e->getMessage()); $error = true; } return $error; } private function addCategoryOpml($cat_elt, $parent_cat) { // Create a new Category object $cat = new FreshRSS_Category(Minz_Helper::htmlspecialchars_utf8($cat_elt['text'])); $id = $this->catDAO->addCategoryObject($cat); $error = ($id === false); if (isset($cat_elt['@outlines'])) { // Our cat_elt contains more categories or more feeds, so we // add them recursively. // Note: FreshRSS does not support yet category arborescence $res = $this->addOpmlElements($cat_elt['@outlines'], $cat->name()); if (!$error && $res) { $error = true; } } return $error; } private function importArticles($article_file, $starred = false) { $article_object = json_decode($article_file, true); if (is_null($article_object)) { Minz_Log::warning('Try to import a non-JSON file'); return true; } $is_read = $this->view->conf->mark_when['reception'] ? 1 : 0; $google_compliant = ( strpos($article_object['id'], 'com.google') !== false ); $error = false; foreach ($article_object['items'] as $item) { $feed = $this->addFeedArticles($item['origin'], $google_compliant); if (is_null($feed)) { $error = true; continue; } $author = isset($item['author']) ? $item['author'] : ''; $key_content = ($google_compliant && !isset($item['content'])) ? 'summary' : 'content'; $tags = $item['categories']; if ($google_compliant) { $tags = array_filter($tags, function($var) { return strpos($var, '/state/com.google') === false; }); } $entry = new FreshRSS_Entry( $feed->id(), $item['id'], $item['title'], $author, $item[$key_content]['content'], $item['alternate'][0]['href'], $item['published'], $is_read, $starred ); $entry->_tags($tags); //FIME: Use entryDAO->addEntryPrepare(). Do not call entryDAO->listLastGuidsByFeed() for each entry. Consider using a transaction. $id = $this->entryDAO->addEntryObject( $entry, $this->view->conf, $feed->keepHistory() ); if (!$error && ($id === false)) { $error = true; } } return $error; } private function addFeedArticles($origin, $google_compliant) { $default_cat = $this->catDAO->getDefault(); $return = null; $key = $google_compliant ? 'htmlUrl' : 'feedUrl'; $url = $origin[$key]; $name = $origin['title']; $website = $origin['htmlUrl']; try { // Create a Feed object and add it in DB $feed = new FreshRSS_Feed($url); $feed->_category($default_cat->id()); $feed->_name($name); $feed->_website($website); // addFeedObject checks if feed is already in DB so nothing else to // check here $id = $this->feedDAO->addFeedObject($feed); if ($id !== false) { $feed->_id($id); $return = $feed; } } catch (FreshRSS_Feed_Exception $e) { Minz_Log::warning($e->getMessage()); } return $return; } public function exportAction() { if (!Minz_Request::isPost()) { Minz_Request::forward(array('c' => 'importExport', 'a' => 'index'), true); } $this->view->_useLayout(false); $export_opml = Minz_Request::param('export_opml', false); $export_starred = Minz_Request::param('export_starred', false); $export_feeds = Minz_Request::param('export_feeds', array()); $export_files = array(); if ($export_opml) { $export_files['feeds.opml'] = $this->generateOpml(); } if ($export_starred) { $export_files['starred.json'] = $this->generateArticles('starred'); } foreach ($export_feeds as $feed_id) { $feed = $this->feedDAO->searchById($feed_id); if ($feed) { $filename = 'feed_' . $feed->category() . '_' . $feed->id() . '.json'; $export_files[$filename] = $this->generateArticles( 'feed', $feed ); } } $nb_files = count($export_files); if ($nb_files > 1) { // If there are more than 1 file to export, we need a zip archive. try { $this->exportZip($export_files); } catch (Exception $e) { # Oops, there is no Zip extension! Minz_Request::bad(_t('export_no_zip_extension'), array('c' => 'importExport', 'a' => 'index')); } } elseif ($nb_files === 1) { // Only one file? Guess its type and export it. $filename = key($export_files); $type = $this->guessFileType($filename); $this->exportFile('freshrss_' . $filename, $export_files[$filename], $type); } else { Minz_Request::forward(array('c' => 'importExport', 'a' => 'index'), true); } } private function generateOpml() { $list = array(); foreach ($this->catDAO->listCategories() as $key => $cat) { $list[$key]['name'] = $cat->name(); $list[$key]['feeds'] = $this->feedDAO->listByCategory($cat->id()); } $this->view->categories = $list; return $this->view->helperToString('export/opml'); } private function generateArticles($type, $feed = NULL) { $this->view->categories = $this->catDAO->listCategories(); if ($type == 'starred') { $this->view->list_title = _t('starred_list'); $this->view->type = 'starred'; $unread_fav = $this->entryDAO->countUnreadReadFavorites(); $this->view->entries = $this->entryDAO->listWhere( 's', '', FreshRSS_Entry::STATE_ALL, 'ASC', $unread_fav['all'] ); } elseif ($type == 'feed' && !is_null($feed)) { $this->view->list_title = _t('feed_list', $feed->name()); $this->view->type = 'feed/' . $feed->id(); $this->view->entries = $this->entryDAO->listWhere( 'f', $feed->id(), FreshRSS_Entry::STATE_ALL, 'ASC', $this->view->conf->posts_per_page ); $this->view->feed = $feed; } return $this->view->helperToString('export/articles'); } private function exportZip($files) { if (!extension_loaded('zip')) { throw new Exception(); } // From https://stackoverflow.com/questions/1061710/php-zip-files-on-the-fly $zip_file = tempnam('tmp', 'zip'); $zip = new ZipArchive(); $zip->open($zip_file, ZipArchive::OVERWRITE); foreach ($files as $filename => $content) { $zip->addFromString($filename, $content); } // Close and send to user $zip->close(); header('Content-Type: application/zip'); header('Content-Length: ' . filesize($zip_file)); header('Content-Disposition: attachment; filename="freshrss_export.zip"'); readfile($zip_file); unlink($zip_file); } private function exportFile($filename, $content, $type) { if ($type === 'unknown') { return; } $content_type = ''; if ($type === 'opml') { $content_type = "text/opml"; } elseif ($type === 'json_feed' || $type === 'json_starred') { $content_type = "text/json"; } header('Content-Type: ' . $content_type . '; charset=utf-8'); header('Content-disposition: attachment; filename=' . $filename); print($content); } }