src/Wallabag/Wallabag/Wallabag.php

   1 <?php
   2 /**
   3  * wallabag, self hostable application allowing you to not miss any content anymore
   4  *
   5  * @category   wallabag
   6  * @author     Nicolas Lœuillet <nicolas@loeuillet.org>
   7  * @copyright  2013
   8  * @license    http://opensource.org/licenses/MIT see COPYING file
   9  */
  10
  11 namespace Wallabag\Wallabag;
  12
  13 class Wallabag
  14 {
  15     /**
  16      * @var User
  17      */
  18     public $user;
  19     /**
  20      * @var Database
  21      */
  22     public $store;
  23     /**
  24      * @var Template
  25      */
  26     public $tpl;
  27     /**
  28      * @var Language
  29      */
  30     public $language;
  31     /**
  32      * @var Routing
  33      */
  34     public $routing;
  35     /**
  36      * @var Messages
  37      */
  38     public $messages;
  39     /**
  40      * @var Paginator
  41      */
  42     public $pagination;
  43
  44     public function __construct()
  45     {
  46         $this->init();
  47     }
  48
  49     private function init()
  50     {
  51         Tools::initPhp();
  52
  53         $pocheUser = Session::getParam('poche_user');
  54
  55         if ($pocheUser && $pocheUser != array()) {
  56             $this->user = $pocheUser;
  57         } else {
  58             // fake user, just for install & login screens
  59             $this->user = new User();
  60             $this->user->setConfig($this->getDefaultConfig());
  61         }
  62
  63         $this->pagination   = new Paginator($this->user->getConfigValue('pager'), 'p');
  64         $this->language     = new Language($this);
  65         $this->tpl          = new Template($this);
  66         $this->store        = new Database();
  67         $this->messages     = new Messages();
  68         $this->routing      = new Routing($this);
  69     }
  70
  71     public function run()
  72     {
  73         $this->routing->run();
  74     }
  75
  76     /**
  77      * Creates a new user
  78      */
  79     public function createNewUser($username, $password, $email = "")
  80     {
  81         if (!empty($username) && !empty($password)){
  82             $newUsername = filter_var($username, FILTER_SANITIZE_STRING);
  83             $email = filter_var($email, FILTER_SANITIZE_STRING);
  84             if (!$this->store->userExists($newUsername)){
  85                 if ($this->store->install($newUsername, Tools::encodeString($password . $newUsername), $email)) {
  86                     Tools::logm('The new user ' . $newUsername . ' has been installed');
  87                     $this->messages->add('s', sprintf(_('The new user %s has been installed. Do you want to <a href="?logout">logout ?</a>'), $newUsername));
  88                     Tools::redirect();
  89                 }
  90                 else {
  91                     Tools::logm('error during adding new user');
  92                     Tools::redirect();
  93                 }
  94             }
  95             else {
  96                 $this->messages->add('e', sprintf(_('Error : An user with the name %s already exists !'), $newUsername));
  97                 Tools::logm('An user with the name ' . $newUsername . ' already exists !');
  98                 Tools::redirect();
  99             }
 100         }
 101     }
 102
 103     /**
 104      * Delete an existing user
 105      */
 106     public function deleteUser($password)
 107     {
 108         if ($this->store->listUsers() > 1) {
 109             if (Tools::encodeString($password . $this->user->getUsername()) == $this->store->getUserPassword($this->user->getId())) {
 110                 $username = $this->user->getUsername();
 111                 $this->store->deleteUserConfig($this->user->getId());
 112                 Tools::logm('The configuration for user '. $username .' has been deleted !');
 113                 $this->store->deleteTagsEntriesAndEntries($this->user->getId());
 114                 Tools::logm('The entries for user '. $username .' has been deleted !');
 115                 $this->store->deleteUser($this->user->getId());
 116                 Tools::logm('User '. $username .' has been completely deleted !');
 117                 Session::logout();
 118                 Tools::logm('logout');
 119                 Tools::redirect();
 120                 $this->messages->add('s', sprintf(_('User %s has been successfully deleted !'), $username));
 121             }
 122             else {
 123                 Tools::logm('Bad password !');
 124                 $this->messages->add('e', _('Error : The password is wrong !'));
 125             }
 126         }
 127         else {
 128             Tools::logm('Only user !');
 129             $this->messages->add('e', _('Error : You are the only user, you cannot delete your account !'));
 130         }
 131     }
 132
 133     public function getDefaultConfig()
 134     {
 135         return array(
 136             'pager' => PAGINATION,
 137             'language' => LANG,
 138             'theme' => DEFAULT_THEME
 139         );
 140     }
 141
 142     /**
 143      * Call action (mark as fav, archive, delete, etc.)
 144      */
 145     public function action($action, Url $url, $id = 0, $import = FALSE, $autoclose = FALSE, $tags = null)
 146     {
 147         switch ($action)
 148         {
 149             case 'add':
 150                 $content = Tools::getPageContent($url);
 151                 $title = ($content['rss']['channel']['item']['title'] != '') ? $content['rss']['channel']['item']['title'] : _('Untitled');
 152                 $body = $content['rss']['channel']['item']['description'];
 153
 154                 // clean content from prevent xss attack
 155                 $purifier = $this->_getPurifier();
 156                 $title = $purifier->purify($title);
 157                 $body = $purifier->purify($body);
 158
 159                 //search for possible duplicate
 160                 $duplicate = NULL;
 161                 $duplicate = $this->store->retrieveOneByURL($url->getUrl(), $this->user->getId());
 162
 163                 $last_id = $this->store->add($url->getUrl(), $title, $body, $this->user->getId());
 164                 if ( $last_id ) {
 165                     Tools::logm('add link ' . $url->getUrl());
 166                     if (DOWNLOAD_PICTURES) {
 167                         $content = Picture::filterPicture($body, $url->getUrl(), $last_id);
 168                         Tools::logm('updating content article');
 169                         $this->store->updateContent($last_id, $content, $this->user->getId());
 170                     }
 171
 172                     if ($duplicate != NULL) {
 173                         // duplicate exists, so, older entry needs to be deleted (as new entry should go to the top of list), BUT favorite mark and tags should be preserved
 174                         Tools::logm('link ' . $url->getUrl() . ' is a duplicate');
 175                         // 1) - preserve tags and favorite, then drop old entry
 176                         $this->store->reassignTags($duplicate['id'], $last_id);
 177                         if ($duplicate['is_fav']) {
 178                           $this->store->favoriteById($last_id, $this->user->getId());
 179                         }
 180                         if ($this->store->deleteById($duplicate['id'], $this->user->getId())) {
 181                           Tools::logm('previous link ' . $url->getUrl() .' entry deleted');
 182                         }
 183                     }
 184
 185                     // if there are tags, add them to the new article
 186                     if (isset($_GET['tags'])) {
 187                         $_POST['value'] = $_GET['tags'];
 188                         $_POST['entry_id'] = $last_id;
 189                         $this->action('add_tag', $url);
 190                     }
 191
 192                     $this->messages->add('s', _('the link has been added successfully'));
 193                 }
 194                 else {
 195                     $this->messages->add('e', _('error during insertion : the link wasn\'t added'));
 196                     Tools::logm('error during insertion : the link wasn\'t added ' . $url->getUrl());
 197                 }
 198
 199                 if ($autoclose == TRUE) {
 200                   Tools::redirect('?view=home');
 201                 } else {
 202                   Tools::redirect('?view=home&closewin=true');
 203                 }
 204                 break;
 205             case 'delete':
 206                 if (isset($_GET['search'])) {
 207                     //when we want to apply a delete to a search
 208                     $tags = array($_GET['search']);
 209                     $allentry_ids = $this->store->search($tags[0], $this->user->getId());
 210                     $entry_ids = array();
 211                     foreach ($allentry_ids as $eachentry) {
 212                         $entry_ids[] = $eachentry[0];
 213                     }
 214                 } else { // delete a single article
 215                     $entry_ids = array($id);
 216                 }
 217                 foreach($entry_ids as $id) {
 218                     $msg = 'delete link #' . $id;
 219                     if ($this->store->deleteById($id, $this->user->getId())) {
 220                         if (DOWNLOAD_PICTURES) {
 221                             Picture::removeDirectory(ABS_PATH . $id);
 222                         }
 223                         $this->messages->add('s', _('the link has been deleted successfully'));
 224                     }
 225                     else {
 226                         $this->messages->add('e', _('the link wasn\'t deleted'));
 227                         $msg = 'error : can\'t delete link #' . $id;
 228                     }
 229                     Tools::logm($msg);
 230                 }
 231                 Tools::redirect('?');
 232                 break;
 233             case 'toggle_fav' :
 234                 $this->store->favoriteById($id, $this->user->getId());
 235                 Tools::logm('mark as favorite link #' . $id);
 236                 if ( Tools::isAjaxRequest() ) {
 237                   echo 1;
 238                   exit;
 239                 }
 240                 else {
 241                   Tools::redirect();
 242                 }
 243                 break;
 244             case 'toggle_archive' :
 245                 if (isset($_GET['tag_id'])) {
 246                     //when we want to archive a whole tag
 247                     $tag_id = $_GET['tag_id'];
 248                     $allentry_ids = $this->store->retrieveEntriesByTag($tag_id, $this->user->getId());
 249                     $entry_ids = array();
 250                     foreach ($allentry_ids as $eachentry) {
 251                         $entry_ids[] = $eachentry[0];
 252                     }
 253                 } else { //archive a single article
 254                     $entry_ids = array($id);
 255                 }
 256                 foreach($entry_ids as $id) {
 257                     $this->store->archiveById($id, $this->user->getId());
 258                     Tools::logm('archive link #' . $id);
 259                 }
 260                 if ( Tools::isAjaxRequest() ) {
 261                   echo 1;
 262                   exit;
 263                 }
 264                 else {
 265                   Tools::redirect();
 266                 }
 267                 break;
 268             case 'archive_all' :
 269                 $this->store->archiveAll($this->user->getId());
 270                 Tools::logm('archive all links');
 271                 Tools::redirect();
 272                 break;
 273             case 'add_tag' :
 274                 if (isset($_GET['search'])) {
 275                     //when we want to apply a tag to a search
 276                     $tags = array($_GET['search']);
 277                     $allentry_ids = $this->store->search($tags[0], $this->user->getId());
 278                     $entry_ids = array();
 279                     foreach ($allentry_ids as $eachentry) {
 280                         $entry_ids[] = $eachentry[0];
 281                     }
 282                 } else { //add a tag to a single article
 283                     $tags = explode(',', $_POST['value']);
 284                     $entry_ids = array($_POST['entry_id']);
 285                 }
 286                 foreach($entry_ids as $entry_id) {
 287                     $entry = $this->store->retrieveOneById($entry_id, $this->user->getId());
 288                     if (!$entry) {
 289                         $this->messages->add('e', _('Article not found!'));
 290                         Tools::logm('error : article not found');
 291                         Tools::redirect();
 292                     }
 293                     //get all already set tags to preven duplicates
 294                     $already_set_tags = array();
 295                     $entry_tags = $this->store->retrieveTagsByEntry($entry_id);
 296                     foreach ($entry_tags as $tag) {
 297                       $already_set_tags[] = $tag['value'];
 298                     }
 299                     foreach($tags as $key => $tag_value) {
 300                         $value = trim($tag_value);
 301                         if ($value && !in_array($value, $already_set_tags)) {
 302                           $tag = $this->store->retrieveTagByValue($value);
 303                           if (is_null($tag)) {
 304                               # we create the tag
 305                               $tag = $this->store->createTag($value);
 306                               $sequence = '';
 307                               if (STORAGE == 'postgres') {
 308                                   $sequence = 'tags_id_seq';
 309                               }
 310                               $tag_id = $this->store->getLastId($sequence);
 311                           }
 312                           else {
 313                               $tag_id = $tag['id'];
 314                           }
 315
 316                           # we assign the tag to the article
 317                           $this->store->setTagToEntry($tag_id, $entry_id);
 318                         }
 319                     }
 320                 }
 321                 $this->messages->add('s', _('The tag has been applied successfully'));
 322                 Tools::logm('The tag has been applied successfully');
 323                 Tools::redirect();
 324                 break;
 325             case 'remove_tag' :
 326                 $tag_id = $_GET['tag_id'];
 327                 $entry = $this->store->retrieveOneById($id, $this->user->getId());
 328                 if (!$entry) {
 329                     $this->messages->add('e', _('Article not found!'));
 330                     Tools::logm('error : article not found');
 331                     Tools::redirect();
 332                 }
 333                 $this->store->removeTagForEntry($id, $tag_id);
 334                 Tools::logm('tag entry deleted');
 335                 if ($this->store->cleanUnusedTag($tag_id)) {
 336                     Tools::logm('tag deleted');
 337                 }
 338                 $this->messages->add('s', _('The tag has been successfully deleted'));
 339                 Tools::redirect();
 340                 break;
 341             default:
 342                 break;
 343         }
 344     }
 345
 346     function displayView($view, $id = 0)
 347     {
 348         $tpl_vars = array();
 349
 350         switch ($view)
 351         {
 352             case 'about':
 353                 break;
 354             case 'config':
 355                 $dev_infos = $this->_getPocheVersion('dev');
 356                 $dev = trim($dev_infos[0]);
 357                 $check_time_dev = date('d-M-Y H:i', $dev_infos[1]);
 358                 $prod_infos = $this->_getPocheVersion('prod');
 359                 $prod = trim($prod_infos[0]);
 360                 $check_time_prod = date('d-M-Y H:i', $prod_infos[1]);
 361                 $compare_dev = version_compare(POCHE, $dev);
 362                 $compare_prod = version_compare(POCHE, $prod);
 363                 $themes = $this->tpl->getInstalledThemes();
 364                 $languages = $this->language->getInstalledLanguages();
 365                 $token = $this->user->getConfigValue('token');
 366                 $http_auth = (isset($_SERVER['PHP_AUTH_USER']) || isset($_SERVER['REMOTE_USER'])) ? true : false;
 367                 $only_user = ($this->store->listUsers() > 1) ? false : true;
 368                 $tpl_vars = array(
 369                     'themes' => $themes,
 370                     'languages' => $languages,
 371                     'dev' => $dev,
 372                     'prod' => $prod,
 373                     'check_time_dev' => $check_time_dev,
 374                     'check_time_prod' => $check_time_prod,
 375                     'compare_dev' => $compare_dev,
 376                     'compare_prod' => $compare_prod,
 377                     'token' => $token,
 378                     'user_id' => $this->user->getId(),
 379                     'http_auth' => $http_auth,
 380                     'only_user' => $only_user
 381                 );
 382                 Tools::logm('config view');
 383                 break;
 384             case 'edit-tags':
 385                 # tags
 386                 $entry = $this->store->retrieveOneById($id, $this->user->getId());
 387                 if (!$entry) {
 388                     $this->messages->add('e', _('Article not found!'));
 389                     Tools::logm('error : article not found');
 390                     Tools::redirect();
 391                 }
 392                 $tags = $this->store->retrieveTagsByEntry($id);
 393                 $tpl_vars = array(
 394                     'entry_id' => $id,
 395                     'tags' => $tags,
 396                     'entry' => $entry,
 397                 );
 398                 break;
 399             case 'tags':
 400                 $token = $this->user->getConfigValue('token');
 401                 //if term is set - search tags for this term
 402                 $term = Tools::checkVar('term');
 403                 $tags = $this->store->retrieveAllTags($this->user->getId(), $term);
 404                 if (Tools::isAjaxRequest()) {
 405                   $result = array();
 406                   foreach ($tags as $tag) {
 407                     $result[] = $tag['value'];
 408                   }
 409                   echo json_encode($result);
 410                   exit;
 411                 }
 412                 $tpl_vars = array(
 413                     'token' => $token,
 414                     'user_id' => $this->user->getId(),
 415                     'tags' => $tags,
 416                 );
 417                 break;
 418             case 'search':
 419                 if (isset($_GET['search'])) {
 420                    $search = filter_var($_GET['search'], FILTER_SANITIZE_STRING);
 421                    $tpl_vars['entries'] = $this->store->search($search, $this->user->getId());
 422                    $count = count($tpl_vars['entries']);
 423                    $this->pagination->set_total($count);
 424                    $page_links = str_replace(array('previous', 'next'), array(_('previous'), _('next')),
 425                             $this->pagination->page_links('?view=' . $view . '?search=' . $search . '&sort=' . $_SESSION['sort'] . '&' ));
 426                    $tpl_vars['page_links'] = $page_links;
 427                    $tpl_vars['nb_results'] = $count;
 428                    $tpl_vars['searchterm'] = $search;
 429                 }
 430                 break;
 431             case 'view':
 432                 $entry = $this->store->retrieveOneById($id, $this->user->getId());
 433                 if ($entry != NULL) {
 434                     Tools::logm('view link #' . $id);
 435                     $content = $entry['content'];
 436                     if (function_exists('tidy_parse_string')) {
 437                         $tidy = tidy_parse_string($content, array('indent'=>true, 'show-body-only' => true), 'UTF8');
 438                         $tidy->cleanRepair();
 439                         $content = $tidy->value;
 440                     }
 441
 442                     # flattr checking
 443                     $flattr = NULL;
 444                     if (FLATTR) {
 445                         $flattr = new FlattrItem();
 446                         $flattr->checkItem($entry['url'], $entry['id']);
 447                     }
 448
 449                     # tags
 450                     $tags = $this->store->retrieveTagsByEntry($entry['id']);
 451
 452                     $tpl_vars = array(
 453                         'entry' => $entry,
 454                         'content' => $content,
 455                         'flattr' => $flattr,
 456                         'tags' => $tags
 457                     );
 458                 }
 459                 else {
 460                     Tools::logm('error in view call : entry is null');
 461                 }
 462                 break;
 463             default: # home, favorites, archive and tag views
 464                 $tpl_vars = array(
 465                     'entries' => '',
 466                     'page_links' => '',
 467                     'nb_results' => '',
 468                     'listmode' => (isset($_COOKIE['listmode']) ? true : false),
 469                 );
 470
 471                 //if id is given - we retrieve entries by tag: id is tag id
 472                 if ($id) {
 473                   $tpl_vars['tag'] = $this->store->retrieveTag($id, $this->user->getId());
 474                   $tpl_vars['id'] = intval($id);
 475                 }
 476
 477                 $count = $this->store->getEntriesByViewCount($view, $this->user->getId(), $id);
 478
 479                 if ($count > 0) {
 480                     $this->pagination->set_total($count);
 481                     $page_links = str_replace(array('previous', 'next'), array(_('previous'), _('next')),
 482                         $this->pagination->page_links('?view=' . $view . '&sort=' . $_SESSION['sort'] . (($id)?'&id='.$id:'') . '&' ));
 483                     $tpl_vars['entries'] = $this->store->getEntriesByView($view, $this->user->getId(), $this->pagination->get_limit(), $id);
 484                     $tpl_vars['page_links'] = $page_links;
 485                     $tpl_vars['nb_results'] = $count;
 486                 }
 487                 Tools::logm('display ' . $view . ' view');
 488                 break;
 489         }
 490
 491         return $tpl_vars;
 492     }
 493
 494     /**
 495      * update the password of the current user.
 496      * if MODE_DEMO is TRUE, the password can't be updated.
 497      * @todo add the return value
 498      * @todo set the new password in function header like this updatePassword($newPassword)
 499      * @return boolean
 500      */
 501     public function updatePassword($password, $confirmPassword)
 502     {
 503         if (MODE_DEMO) {
 504             $this->messages->add('i', _('in demo mode, you can\'t update your password'));
 505             Tools::logm('in demo mode, you can\'t do this');
 506             Tools::redirect('?view=config');
 507         }
 508         else {
 509             if (isset($password) && isset($confirmPassword)) {
 510                 if ($password == $confirmPassword && !empty($password)) {
 511                     $this->messages->add('s', _('your password has been updated'));
 512                     $this->store->updatePassword($this->user->getId(), Tools::encodeString($password . $this->user->getUsername()));
 513                     Session::logout();
 514                     Tools::logm('password updated');
 515                     Tools::redirect();
 516                 }
 517                 else {
 518                     $this->messages->add('e', _('the two fields have to be filled & the password must be the same in the two fields'));
 519                     Tools::redirect('?view=config');
 520                 }
 521             }
 522         }
 523     }
 524
 525     /**
 526      * Get credentials from differents sources
 527      * It redirects the user to the $referer link
 528      *
 529      * @return array
 530      */
 531     private function credentials()
 532     {
 533         if (isset($_SERVER['PHP_AUTH_USER'])) {
 534             return array($_SERVER['PHP_AUTH_USER'], 'php_auth', true);
 535         }
 536         if (!empty($_POST['login']) && !empty($_POST['password'])) {
 537             return array($_POST['login'], $_POST['password'], false);
 538         }
 539         if (isset($_SERVER['REMOTE_USER'])) {
 540             return array($_SERVER['REMOTE_USER'], 'http_auth', true);
 541         }
 542
 543         return array(false, false, false);
 544     }
 545
 546     /**
 547      * checks if login & password are correct and save the user in session.
 548      * it redirects the user to the $referer link
 549      * @param  string $referer the url to redirect after login
 550      * @todo add the return value
 551      * @return boolean
 552      */
 553     public function login($referer)
 554     {
 555         list($login,$password,$isauthenticated)=$this->credentials();
 556         if($login === false || $password === false) {
 557             $this->messages->add('e', _('login failed: you have to fill all fields'));
 558             Tools::logm('login failed');
 559             Tools::redirect();
 560         }
 561         if (!empty($login) && !empty($password)) {
 562             $user = $this->store->login($login, Tools::encodeString($password . $login), $isauthenticated);
 563             if ($user != array()) {
 564                 # Save login into Session
 565                 $longlastingsession = isset($_POST['longlastingsession']);
 566                 $passwordTest = ($isauthenticated) ? $user['password'] : Tools::encodeString($password . $login);
 567                 Session::login($user['username'], $user['password'], $login, $passwordTest, $longlastingsession, array('poche_user' => new User($user)));
 568
 569                 # reload l10n
 570                 $language = $user['config']['language'];
 571                 @putenv('LC_ALL=' . $language);
 572                 setlocale(LC_ALL, $language);
 573                 bindtextdomain($language, LOCALE);
 574                 textdomain($language);
 575
 576                 $this->messages->add('s', _('welcome to your wallabag'));
 577                 Tools::logm('login successful');
 578                 Tools::redirect($referer);
 579             }
 580             $this->messages->add('e', _('login failed: bad login or password'));
 581             // log login failure in web server log to allow fail2ban usage
 582             error_log('user '.$login.' authentication failure');
 583             Tools::logm('login failed');
 584             Tools::redirect();
 585         }
 586     }
 587
 588     /**
 589      * log out the poche user. It cleans the session.
 590      * @todo add the return value
 591      * @return boolean
 592      */
 593     public function logout()
 594     {
 595         $this->user = array();
 596         Session::logout();
 597         Tools::logm('logout');
 598         Tools::redirect();
 599     }
 600
 601     /**
 602      * import datas into your wallabag
 603      * @return boolean
 604      */
 605
 606     public function import() {
 607
 608       if ( isset($_FILES['file']) && $_FILES['file']['tmp_name'] ) {
 609         Tools::logm('Import stated: parsing file');
 610
 611         // assume, that file is in json format
 612         $str_data = file_get_contents($_FILES['file']['tmp_name']);
 613         $data = json_decode($str_data, true);
 614
 615         if ( $data === null ) {
 616           //not json - assume html
 617           $html = new simple_html_dom();
 618           $html->load_file($_FILES['file']['tmp_name']);
 619           $data = array();
 620           $read = 0;
 621           foreach (array('ol','ul') as $list) {
 622             foreach ($html->find($list) as $ul) {
 623               foreach ($ul->find('li') as $li) {
 624                 $tmpEntry = array();
 625                   $a = $li->find('a');
 626                   $tmpEntry['url'] = $a[0]->href;
 627                   $tmpEntry['tags'] = $a[0]->tags;
 628                   $tmpEntry['is_read'] = $read;
 629                   if ($tmpEntry['url']) {
 630                     $data[] = $tmpEntry;
 631                   }
 632               }
 633               # the second <ol/ul> is for read links
 634               $read = ((sizeof($data) && $read)?0:1);
 635             }
 636           }
 637         }
 638
 639             // for readability structure
 640
 641             foreach($data as $record) {
 642                 if (is_array($record)) {
 643                     $data[] = $record;
 644                     foreach($record as $record2) {
 645                         if (is_array($record2)) {
 646                             $data[] = $record2;
 647                         }
 648                     }
 649                 }
 650             }
 651
 652             $urlsInserted = array(); //urls of articles inserted
 653             foreach($data as $record) {
 654                 $url = trim(isset($record['article__url']) ? $record['article__url'] : (isset($record['url']) ? $record['url'] : ''));
 655                 if ($url and !in_array($url, $urlsInserted)) {
 656                     $title = (isset($record['title']) ? $record['title'] : _('Untitled - Import - ') . '</a> <a href="./?import">' . _('click to finish import') . '</a><a>');
 657                     $body = (isset($record['content']) ? $record['content'] : '');
 658                     $isRead = (isset($record['is_read']) ? intval($record['is_read']) : (isset($record['archive']) ? intval($record['archive']) : 0));
 659                     $isFavorite = (isset($record['is_fav']) ? intval($record['is_fav']) : (isset($record['favorite']) ? intval($record['favorite']) : 0));
 660
 661                     // insert new record
 662
 663                     $id = $this->store->add($url, $title, $body, $this->user->getId() , $isFavorite, $isRead);
 664                     if ($id) {
 665                         $urlsInserted[] = $url; //add
 666                         if (isset($record['tags']) && trim($record['tags'])) {
 667
 668                             // @TODO: set tags
 669
 670                         }
 671                     }
 672                 }
 673             }
 674
 675             $i = sizeof($urlsInserted);
 676             if ($i > 0) {
 677                 $this->messages->add('s', _('Articles inserted: ') . $i . _('. Please note, that some may be marked as "read".'));
 678             }
 679
 680         Tools::logm('Import of articles finished: '.$i.' articles added (w/o content if not provided).');
 681       }
 682       else {
 683         $this->messages->add('s', _('Did you forget to select a file?'));
 684       }
 685         // file parsing finished here
 686         // now download article contents if any
 687         // check if we need to download any content
 688
 689         $recordsDownloadRequired = $this->store->retrieveUnfetchedEntriesCount($this->user->getId());
 690
 691         if ($recordsDownloadRequired == 0) {
 692
 693             // nothing to download
 694
 695             $this->messages->add('s', _('Import finished.'));
 696             Tools::logm('Import finished completely');
 697             Tools::redirect();
 698         }
 699         else {
 700
 701             // if just inserted - don't download anything, download will start in next reload
 702
 703             if (!isset($_FILES['file'])) {
 704
 705                 // download next batch
 706
 707                 Tools::logm('Fetching next batch of articles...');
 708                 $items = $this->store->retrieveUnfetchedEntries($this->user->getId() , IMPORT_LIMIT);
 709                 $purifier = $this->_getPurifier();
 710                 foreach($items as $item) {
 711                     $url = new Url(base64_encode($item['url']));
 712                     Tools::logm('Fetching article ' . $item['id']);
 713                     $content = Tools::getPageContent($url);
 714                     $title = (($content['rss']['channel']['item']['title'] != '') ? $content['rss']['channel']['item']['title'] : _('Untitled'));
 715                     $body = (($content['rss']['channel']['item']['description'] != '') ? $content['rss']['channel']['item']['description'] : _('Undefined'));
 716
 717                     // clean content to prevent xss attack
 718
 719                     $title = $purifier->purify($title);
 720                     $body = $purifier->purify($body);
 721                     $this->store->updateContentAndTitle($item['id'], $title, $body, $this->user->getId());
 722                     Tools::logm('Article ' . $item['id'] . ' updated.');
 723                 }
 724             }
 725         }
 726
 727         return array(
 728             'includeImport' => true,
 729             'import' => array(
 730                 'recordsDownloadRequired' => $recordsDownloadRequired,
 731                 'recordsUnderDownload' => IMPORT_LIMIT,
 732                 'delay' => IMPORT_DELAY * 1000
 733             )
 734         );
 735     }
 736
 737     /**
 738      * export poche entries in json
 739      * @return json all poche entries
 740      */
 741     public function export()
 742     {
 743       $filename = "wallabag-export-".$this->user->getId()."-".date("Y-m-d").".json";
 744       header('Content-Disposition: attachment; filename='.$filename);
 745
 746       $entries = $this->store->retrieveAll($this->user->getId());
 747       echo $this->tpl->render('export.twig', array(
 748           'export' => Tools::renderJson($entries),
 749       ));
 750       Tools::logm('export view');
 751     }
 752
 753     /**
 754      * Checks online the latest version of poche and cache it
 755      * @param  string $which 'prod' or 'dev'
 756      * @return string        latest $which version
 757      */
 758     private function _getPocheVersion($which = 'prod') {
 759       $cache_file = CACHE . '/' . $which;
 760       $check_time = time();
 761
 762       # checks if the cached version file exists
 763       if (file_exists($cache_file) && (filemtime($cache_file) > (time() - 86400 ))) {
 764          $version = file_get_contents($cache_file);
 765          $check_time = filemtime($cache_file);
 766       } else {
 767          $version = file_get_contents('http://static.wallabag.org/versions/' . $which);
 768          file_put_contents($cache_file, $version, LOCK_EX);
 769       }
 770       return array($version, $check_time);
 771     }
 772
 773     /**
 774      * Update token for current user
 775      */
 776     public function updateToken()
 777     {
 778         $token = Tools::generateToken();
 779         $this->store->updateUserConfig($this->user->getId(), 'token', $token);
 780         $currentConfig = $_SESSION['poche_user']->config;
 781         $currentConfig['token'] = $token;
 782         $_SESSION['poche_user']->setConfig($currentConfig);
 783         Tools::redirect();
 784     }
 785
 786     /**
 787      * Generate RSS feeds for current user
 788      *
 789      * @param $token
 790      * @param $user_id
 791      * @param $tag_id if $type is 'tag', the id of the tag to generate feed for
 792      * @param string $type the type of feed to generate
 793      * @param int $limit the maximum number of items (0 means all)
 794      */
 795     public function generateFeeds($token, $user_id, $tag_id, $type = 'home', $limit = 0)
 796     {
 797         $allowed_types = array('home', 'fav', 'archive', 'tag');
 798         $config = $this->store->getConfigUser($user_id);
 799
 800         if ($config == null) {
 801             die(sprintf(_('User with this id (%d) does not exist.'), $user_id));
 802         }
 803
 804         if (!in_array($type, $allowed_types) || !isset($config['token']) || $token != $config['token']) {
 805             die(_('Uh, there is a problem while generating feed. Wrong token used?'));
 806         }
 807
 808         $feed = new FeedWriter(RSS2);
 809         $feed->setTitle('wallabag — ' . $type . ' feed');
 810         $feed->setLink(Tools::getPocheUrl());
 811         $feed->setChannelElement('pubDate', date(DATE_RSS , time()));
 812         $feed->setChannelElement('generator', 'wallabag');
 813         $feed->setDescription('wallabag ' . $type . ' elements');
 814
 815         if ($type == 'tag') {
 816             $entries = $this->store->retrieveEntriesByTag($tag_id, $user_id);
 817         }
 818         else {
 819             $entries = $this->store->getEntriesByView($type, $user_id);
 820         }
 821
 822         // if $limit is set to zero, use all entries
 823         if (0 == $limit) {
 824             $limit = count($entries);
 825         }
 826         if (count($entries) > 0) {
 827             for ($i = 0; $i < min(count($entries), $limit); $i++) {
 828                 $entry = $entries[$i];
 829                 $newItem = $feed->createNewItem();
 830                 $newItem->setTitle($entry['title']);
 831                 $newItem->setSource(Tools::getPocheUrl() . '?view=view&amp;id=' . $entry['id']);
 832                 $newItem->setLink($entry['url']);
 833                 $newItem->setDate(time());
 834                 $newItem->setDescription($entry['content']);
 835                 $feed->addItem($newItem);
 836             }
 837         }
 838
 839         $feed->genarateFeed();
 840         exit;
 841     }
 842
 843
 844
 845     /**
 846      * Returns new purifier object with actual config
 847      */
 848     private function _getPurifier()
 849     {
 850         $config = HTMLPurifier_Config::createDefault();
 851         $config->set('Cache.SerializerPath', CACHE);
 852         $config->set('HTML.SafeIframe', true);
 853
 854         //allow YouTube, Vimeo and dailymotion videos
 855         $config->set('URI.SafeIframeRegexp', '%^(https?:)?//(www\.youtube(?:-nocookie)?\.com/embed/|player\.vimeo\.com/video/|www\.dailymotion\.com/embed/video/)%');
 856
 857         return new HTMLPurifier($config);
 858     }
 859
 860
 861 }