inc/poche/Poche.class.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 class Poche
  12 {
  13     /**
  14      * @var User
  15      */
  16     public $user;
  17     /**
  18      * @var Database
  19      */
  20     public $store;
  21     /**
  22      * @var Template
  23      */
  24     public $tpl;
  25     /**
  26      * @var Language
  27      */
  28     public $language;
  29     /**
  30      * @var Routing
  31      */
  32     public $routing;
  33     /**
  34      * @var Messages
  35      */
  36     public $messages;
  37     /**
  38      * @var Paginator
  39      */
  40     public $pagination;
  41
  42     public function __construct()
  43     {
  44         $this->init();
  45     }
  46
  47     private function init()
  48     {
  49         Tools::initPhp();
  50
  51         $pocheUser = Session::getParam('poche_user');
  52
  53         if ($pocheUser && $pocheUser != array()) {
  54             $this->user = $pocheUser;
  55         } else {
  56             // fake user, just for install & login screens
  57             $this->user = new User();
  58             $this->user->setConfig($this->getDefaultConfig());
  59         }
  60
  61         $this->pagination   = new Paginator($this->user->getConfigValue('pager'), 'p');
  62         $this->language     = new Language($this);
  63         $this->tpl          = new Template($this);
  64         $this->store        = new Database();
  65         $this->messages     = new Messages();
  66         $this->routing      = new Routing($this);
  67     }
  68
  69     public function run()
  70     {
  71         $this->routing->run();
  72     }
  73
  74     /**
  75      * Creates a new user
  76      */
  77     public function createNewUser($username, $password, $email = "", $internalRegistration = false)
  78     {
  79         if (!empty($username) && !empty($password)){
  80             $newUsername = filter_var($username, FILTER_SANITIZE_STRING);
  81             $email = filter_var($email, FILTER_SANITIZE_STRING);
  82             if (!$this->store->userExists($newUsername)){
  83                 if ($this->store->install($newUsername, Tools::encodeString($password . $newUsername), $email)) {
  84                     if ($email != "") { // if email is filled
  85                         if (SEND_CONFIRMATION_EMAIL && function_exists('mail')) {
  86
  87                             // if internal registration
  88                             $body_internal = _('Hi,') . "\r\n\r\n" . sprintf(_('Someone just created a wallabag account for you on %1$s.'), Tools::getPocheUrl()) .
  89                             "\r\n\r\n" . sprintf(_('Your login is %1$s.'), $newUsername) ."\r\n\r\n" .
  90                             _('Note : The password has been chosen by the person who created your account. Get in touch with that person to know your password and change it as soon as possible') . "\r\n\r\n" .
  91                             _('Have fun with it !') . "\r\n\r\n" .
  92                             _('This is an automatically generated message, no one will answer if you respond to it.');
  93
  94                             // if external (public) registration
  95                             $body = "Hi, " . $newUsername . "\r\n\r\nYou've just created a wallabag account on " . Tools::getPocheUrl() . ".\r\nHave fun with it !";
  96                             $body = $internalRegistration ? $body_internal : $body;
  97
  98                             $body = wordwrap($body, 70, "\r\n"); // cut lines with more than 70 caracters (MIME standard)
  99                             if (mail($email, sprintf(_('Your new wallabag account on %1$s'), Tools::getPocheUrl()), $body,
 100                                 'X-Mailer: PHP/' . phpversion() .  "\r\n" .
 101                                 'Content-type: text/plain; charset=UTF-8' . "\r\n" .
 102                                 "From: " . $newUsername . "@" . gethostname() . "\r\n")) {
 103                                 Tools::logm('The user ' . $newUsername . ' has been emailed');
 104                                 $this->messages->add('i', sprintf(_('The new user %1$s has been sent an email at %2$s. You may have to check spam folder.'), $newUsername, $email));
 105
 106                             } else {
 107                                 Tools::logm('A problem has been encountered while sending an email');
 108                                 $this->messages->add('e', _('A problem has been encountered while sending an email'));
 109                             }
 110                         } else {
 111                             Tools::logm('The user has been created, but the server did not authorize sending emails');
 112                             $this->messages->add('i', _('The server did not authorize sending a confirmation email'));
 113                         }
 114                 } else {
 115                     Tools::logm('The user has been created, but no email was saved, so no confimation email was sent');
 116                     $this->messages->add('i', _('The user was created, but no email was sent because email was not filled in'));
 117                 }
 118                 Tools::logm('The new user ' . $newUsername . ' has been installed');
 119                 $this->messages->add('s', sprintf(_('The new user %s has been installed. Do you want to <a href="?logout">logout ?</a>'), $newUsername));
 120                 Tools::redirect();
 121                 }
 122                 else {
 123                     Tools::logm('error during adding new user');
 124                     Tools::redirect();
 125                 }
 126             }
 127             else {
 128                 $this->messages->add('e', sprintf(_('Error : An user with the name %s already exists !'), $newUsername));
 129                 Tools::logm('An user with the name ' . $newUsername . ' already exists !');
 130                 Tools::redirect();
 131             }
 132         }
 133     }
 134
 135     /**
 136      * Delete an existing user
 137      */
 138     public function deleteUser($password)
 139     {
 140         if ($this->store->listUsers() > 1) {
 141             if (Tools::encodeString($password . $this->user->getUsername()) == $this->store->getUserPassword($this->user->getId())) {
 142                 $username = $this->user->getUsername();
 143                 $this->store->deleteUserConfig($this->user->getId());
 144                 Tools::logm('The configuration for user '. $username .' has been deleted !');
 145                 $this->store->deleteTagsEntriesAndEntries($this->user->getId());
 146                 Tools::logm('The entries for user '. $username .' has been deleted !');
 147                 $this->store->deleteUser($this->user->getId());
 148                 Tools::logm('User '. $username .' has been completely deleted !');
 149                 Session::logout();
 150                 Tools::logm('logout');
 151                 Tools::redirect();
 152                 $this->messages->add('s', sprintf(_('User %s has been successfully deleted !'), $username));
 153             }
 154             else {
 155                 Tools::logm('Bad password !');
 156                 $this->messages->add('e', _('Error : The password is wrong !'));
 157             }
 158         }
 159         else {
 160             Tools::logm('Only user !');
 161             $this->messages->add('e', _('Error : You are the only user, you cannot delete your account !'));
 162         }
 163     }
 164
 165     public function getDefaultConfig()
 166     {
 167         return array(
 168             'pager' => PAGINATION,
 169             'language' => LANG,
 170             'theme' => DEFAULT_THEME
 171         );
 172     }
 173
 174     /**
 175      * Call action (mark as fav, archive, delete, etc.)
 176      */
 177     public function action($action, Url $url, $id = 0, $import = FALSE, $autoclose = FALSE, $tags = null)
 178     {
 179         switch ($action)
 180         {
 181             case 'add':
 182                 $content = Tools::getPageContent($url);
 183                 $title = ($content['rss']['channel']['item']['title'] != '') ? $content['rss']['channel']['item']['title'] : _('Untitled');
 184                 $body = $content['rss']['channel']['item']['description'];
 185
 186                 // clean content from prevent xss attack
 187                 $purifier = $this->_getPurifier();
 188                 $title = $purifier->purify($title);
 189                 $body = $purifier->purify($body);
 190
 191                 //search for possible duplicate
 192                 $duplicate = NULL;
 193                 $duplicate = $this->store->retrieveOneByURL($url->getUrl(), $this->user->getId());
 194
 195                 $last_id = $this->store->add($url->getUrl(), $title, $body, $this->user->getId());
 196                 if ( $last_id ) {
 197                     Tools::logm('add link ' . $url->getUrl());
 198                     if (DOWNLOAD_PICTURES) {
 199                         $content = Picture::filterPicture($body, $url->getUrl(), $last_id);
 200                         Tools::logm('updating content article');
 201                         $this->store->updateContent($last_id, $content, $this->user->getId());
 202                     }
 203
 204                     if ($duplicate != NULL) {
 205                         // 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
 206                         Tools::logm('link ' . $url->getUrl() . ' is a duplicate');
 207                         // 1) - preserve tags and favorite, then drop old entry
 208                         $this->store->reassignTags($duplicate['id'], $last_id);
 209                         if ($duplicate['is_fav']) {
 210                           $this->store->favoriteById($last_id, $this->user->getId());
 211                         }
 212                         if ($this->store->deleteById($duplicate['id'], $this->user->getId())) {
 213                           Tools::logm('previous link ' . $url->getUrl() .' entry deleted');
 214                         }
 215                     }
 216
 217                     // if there are tags, add them to the new article
 218                     if (isset($_GET['tags'])) {
 219                         $_POST['value'] = $_GET['tags'];
 220                         $_POST['entry_id'] = $last_id;
 221                         $this->action('add_tag', $url);
 222                     }
 223
 224                     $this->messages->add('s', _('the link has been added successfully'));
 225                 }
 226                 else {
 227                     $this->messages->add('e', _('error during insertion : the link wasn\'t added'));
 228                     Tools::logm('error during insertion : the link wasn\'t added ' . $url->getUrl());
 229                 }
 230
 231                 if ($autoclose == TRUE) {
 232                     Tools::redirect('?view=home&closewin=true');
 233                 } else {
 234                     Tools::redirect('?view=home');
 235                 }
 236                 return $last_id;
 237                 break;
 238             case 'delete':
 239                 if (isset($_GET['search'])) {
 240                     //when we want to apply a delete to a search
 241                     $tags = array($_GET['search']);
 242                     $allentry_ids = $this->store->search($tags[0], $this->user->getId());
 243                     $entry_ids = array();
 244                     foreach ($allentry_ids as $eachentry) {
 245                         $entry_ids[] = $eachentry[0];
 246                     }
 247                 } else { // delete a single article
 248                     $entry_ids = array($id);
 249                 }
 250                 foreach($entry_ids as $id) {
 251                     $msg = 'delete link #' . $id;
 252                     if ($this->store->deleteById($id, $this->user->getId())) {
 253                         if (DOWNLOAD_PICTURES) {
 254                             Picture::removeDirectory(ABS_PATH . $id);
 255                         }
 256                         $this->messages->add('s', _('the link has been deleted successfully'));
 257                     }
 258                     else {
 259                         $this->messages->add('e', _('the link wasn\'t deleted'));
 260                         $msg = 'error : can\'t delete link #' . $id;
 261                     }
 262                     Tools::logm($msg);
 263                 }
 264                 Tools::redirect('?');
 265                 break;
 266             case 'toggle_fav' :
 267                 $this->store->favoriteById($id, $this->user->getId());
 268                 Tools::logm('mark as favorite link #' . $id);
 269                 if ( Tools::isAjaxRequest() ) {
 270                   echo 1;
 271                   exit;
 272                 }
 273                 else {
 274                   Tools::redirect();
 275                 }
 276                 break;
 277             case 'toggle_archive' :
 278                 if (isset($_GET['tag_id'])) {
 279                     //when we want to archive a whole tag
 280                     $tag_id = $_GET['tag_id'];
 281                     $allentry_ids = $this->store->retrieveEntriesByTag($tag_id, $this->user->getId());
 282                     $entry_ids = array();
 283                     foreach ($allentry_ids as $eachentry) {
 284                         $entry_ids[] = $eachentry[0];
 285                     }
 286                 } else { //archive a single article
 287                     $entry_ids = array($id);
 288                 }
 289                 foreach($entry_ids as $id) {
 290                     $this->store->archiveById($id, $this->user->getId());
 291                     Tools::logm('archive link #' . $id);
 292                 }
 293                 if ( Tools::isAjaxRequest() ) {
 294                   echo 1;
 295                   exit;
 296                 }
 297                 else {
 298                   Tools::redirect();
 299                 }
 300                 break;
 301             case 'archive_all' :
 302                 $this->store->archiveAll($this->user->getId());
 303                 Tools::logm('archive all links');
 304                 Tools::redirect();
 305                 break;
 306             case 'add_tag' :
 307                 if (isset($_GET['search'])) {
 308                     //when we want to apply a tag to a search
 309                     $tags = array($_GET['search']);
 310                     $allentry_ids = $this->store->search($tags[0], $this->user->getId());
 311                     $entry_ids = array();
 312                     foreach ($allentry_ids as $eachentry) {
 313                         $entry_ids[] = $eachentry[0];
 314                     }
 315                 } else { //add a tag to a single article
 316                     $tags = explode(',', $_POST['value']);
 317                     $entry_ids = array($_POST['entry_id']);
 318                 }
 319                 foreach($entry_ids as $entry_id) {
 320                     $entry = $this->store->retrieveOneById($entry_id, $this->user->getId());
 321                     if (!$entry) {
 322                         $this->messages->add('e', _('Article not found!'));
 323                         Tools::logm('error : article not found');
 324                         Tools::redirect();
 325                     }
 326                     //get all already set tags to preven duplicates
 327                     $already_set_tags = array();
 328                     $entry_tags = $this->store->retrieveTagsByEntry($entry_id);
 329                     foreach ($entry_tags as $tag) {
 330                       $already_set_tags[] = $tag['value'];
 331                     }
 332                     foreach($tags as $key => $tag_value) {
 333                         $value = trim($tag_value);
 334                         if ($value && !in_array($value, $already_set_tags)) {
 335                           $tag = $this->store->retrieveTagByValue($value);
 336                           if (is_null($tag)) {
 337                               # we create the tag
 338                               $tag = $this->store->createTag($value);
 339                               $sequence = '';
 340                               if (STORAGE == 'postgres') {
 341                                   $sequence = 'tags_id_seq';
 342                               }
 343                               $tag_id = $this->store->getLastId($sequence);
 344                           }
 345                           else {
 346                               $tag_id = $tag['id'];
 347                           }
 348
 349                           # we assign the tag to the article
 350                           $this->store->setTagToEntry($tag_id, $entry_id);
 351                         }
 352                     }
 353                 }
 354                 $this->messages->add('s', _('The tag has been applied successfully'));
 355                 Tools::logm('The tag has been applied successfully');
 356                 Tools::redirect();
 357                 break;
 358             case 'remove_tag' :
 359                 $tag_id = $_GET['tag_id'];
 360                 $entry = $this->store->retrieveOneById($id, $this->user->getId());
 361                 if (!$entry) {
 362                     $this->messages->add('e', _('Article not found!'));
 363                     Tools::logm('error : article not found');
 364                     Tools::redirect();
 365                 }
 366                 $this->store->removeTagForEntry($id, $tag_id);
 367                 Tools::logm('tag entry deleted');
 368                 if ($this->store->cleanUnusedTag($tag_id)) {
 369                     Tools::logm('tag deleted');
 370                 }
 371                 $this->messages->add('s', _('The tag has been successfully deleted'));
 372                 Tools::redirect();
 373                 break;
 374
 375             case 'reload_article' :
 376                 Tools::logm('reload article');
 377                 $id = $_GET['id'];
 378                 $entry = $this->store->retrieveOneById($id, $this->user->getId());
 379                 Tools::logm('reload url ' . $entry['url']);
 380                 $url = new Url(base64_encode($entry['url']));
 381                 $this->action('add', $url);
 382                 break;
 383
 384             /* For some unknown reason I can't get displayView() to work here (it redirects to home view afterwards). So here's a dirty fix which redirects directly to URL */
 385             case 'random':
 386                 $id = 0;
 387                 while ($this->store->retrieveOneById($id,$this->user->getId()) == null) {
 388                     $count = $this->store->getEntriesByViewCount($view, $this->user->getId());
 389                     $id = rand(1,$count);
 390                 }
 391                 Tools::logm('get a random article');
 392                 Tools::redirect('?view=view&id=' . $id);
 393                 //$this->displayView('view', $id);
 394                 break;
 395             default:
 396                 break;
 397         }
 398     }
 399
 400     function displayView($view, $id = 0)
 401     {
 402         $tpl_vars = array();
 403
 404         switch ($view)
 405         {
 406             case 'about':
 407                 break;
 408             case 'config':
 409                 $dev_infos = $this->_getPocheVersion('dev');
 410                 $dev = trim($dev_infos[0]);
 411                 $check_time_dev = date('d-M-Y H:i', $dev_infos[1]);
 412                 $prod_infos = $this->_getPocheVersion('prod');
 413                 $prod = trim($prod_infos[0]);
 414                 $check_time_prod = date('d-M-Y H:i', $prod_infos[1]);
 415                 $compare_dev = version_compare(POCHE, $dev);
 416                 $compare_prod = version_compare(POCHE, $prod);
 417                 $themes = $this->tpl->getInstalledThemes();
 418                 $languages = $this->language->getInstalledLanguages();
 419                 $token = $this->user->getConfigValue('token');
 420                 $http_auth = (isset($_SERVER['PHP_AUTH_USER']) || isset($_SERVER['REMOTE_USER'])) ? true : false;
 421                 $only_user = ($this->store->listUsers() > 1) ? false : true;
 422                 $tpl_vars = array(
 423                     'themes' => $themes,
 424                     'languages' => $languages,
 425                     'dev' => $dev,
 426                     'prod' => $prod,
 427                     'check_time_dev' => $check_time_dev,
 428                     'check_time_prod' => $check_time_prod,
 429                     'compare_dev' => $compare_dev,
 430                     'compare_prod' => $compare_prod,
 431                     'token' => $token,
 432                     'user_id' => $this->user->getId(),
 433                     'http_auth' => $http_auth,
 434                     'only_user' => $only_user
 435                 );
 436                 Tools::logm('config view');
 437                 break;
 438             case 'edit-tags':
 439                 # tags
 440                 $entry = $this->store->retrieveOneById($id, $this->user->getId());
 441                 if (!$entry) {
 442                     $this->messages->add('e', _('Article not found!'));
 443                     Tools::logm('error : article not found');
 444                     Tools::redirect();
 445                 }
 446                 $tags = $this->store->retrieveTagsByEntry($id);
 447                 $tpl_vars = array(
 448                     'entry_id' => $id,
 449                     'tags' => $tags,
 450                     'entry' => $entry,
 451                 );
 452                 break;
 453             case 'tags':
 454                 $token = $this->user->getConfigValue('token');
 455                 //if term is set - search tags for this term
 456                 $term = Tools::checkVar('term');
 457                 $tags = $this->store->retrieveAllTags($this->user->getId(), $term);
 458                 if (Tools::isAjaxRequest()) {
 459                   $result = array();
 460                   foreach ($tags as $tag) {
 461                     $result[] = $tag['value'];
 462                   }
 463                   echo json_encode($result);
 464                   exit;
 465                 }
 466                 $tpl_vars = array(
 467                     'token' => $token,
 468                     'user_id' => $this->user->getId(),
 469                     'tags' => $tags,
 470                 );
 471                 break;
 472             case 'search':
 473                 if (isset($_GET['search'])) {
 474                    $search = filter_var($_GET['search'], FILTER_SANITIZE_STRING);
 475                    $tpl_vars['entries'] = $this->store->search($search, $this->user->getId());
 476                    $count = count($tpl_vars['entries']);
 477                    $this->pagination->set_total($count);
 478                    $page_links = str_replace(array('previous', 'next'), array(_('previous'), _('next')),
 479                             $this->pagination->page_links('?view=' . $view . '?search=' . $search . '&sort=' . $_SESSION['sort'] . '&' ));
 480                    $tpl_vars['page_links'] = $page_links;
 481                    $tpl_vars['nb_results'] = $count;
 482                    $tpl_vars['searchterm'] = $search;
 483                 }
 484                 break;
 485             case 'view':
 486                 $entry = $this->store->retrieveOneById($id, $this->user->getId());
 487                 if ($entry != NULL) {
 488                     Tools::logm('view link #' . $id);
 489                     $content = $entry['content'];
 490                     if (function_exists('tidy_parse_string')) {
 491                         $tidy = tidy_parse_string($content, array('indent'=>true, 'show-body-only' => true), 'UTF8');
 492                         $tidy->cleanRepair();
 493                         $content = $tidy->value;
 494                     }
 495
 496                     # flattr checking
 497                     $flattr = NULL;
 498                     if (FLATTR) {
 499                         $flattr = new FlattrItem();
 500                         $flattr->checkItem($entry['url'], $entry['id']);
 501                     }
 502
 503                     # tags
 504                     $tags = $this->store->retrieveTagsByEntry($entry['id']);
 505
 506                     $tpl_vars = array(
 507                         'entry' => $entry,
 508                         'content' => $content,
 509                         'flattr' => $flattr,
 510                         'tags' => $tags
 511                     );
 512                 }
 513                 else {
 514                     Tools::logm('error in view call : entry is null');
 515                 }
 516                 break;
 517             default: # home, favorites, archive and tag views
 518                 $tpl_vars = array(
 519                     'entries' => '',
 520                     'page_links' => '',
 521                     'nb_results' => '',
 522                     'listmode' => (isset($_COOKIE['listmode']) ? true : false),
 523                 );
 524
 525                 //if id is given - we retrieve entries by tag: id is tag id
 526                 if ($id) {
 527                   $tpl_vars['tag'] = $this->store->retrieveTag($id, $this->user->getId());
 528                   $tpl_vars['id'] = intval($id);
 529                 }
 530
 531                 $count = $this->store->getEntriesByViewCount($view, $this->user->getId(), $id);
 532
 533                 if ($count > 0) {
 534                     $this->pagination->set_total($count);
 535                     $page_links = str_replace(array('previous', 'next'), array(_('previous'), _('next')),
 536                         $this->pagination->page_links('?view=' . $view . '&sort=' . $_SESSION['sort'] . (($id)?'&id='.$id:'') . '&' ));
 537                     $tpl_vars['entries'] = $this->store->getEntriesByView($view, $this->user->getId(), $this->pagination->get_limit(), $id);
 538                     $tpl_vars['page_links'] = $page_links;
 539                     $tpl_vars['nb_results'] = $count;
 540                 }
 541                 Tools::logm('display ' . $view . ' view');
 542                 break;
 543         }
 544
 545         return $tpl_vars;
 546     }
 547
 548     /**
 549      * update the password of the current user.
 550      * if MODE_DEMO is TRUE, the password can't be updated.
 551      * @todo add the return value
 552      * @todo set the new password in function header like this updatePassword($newPassword)
 553      * @return boolean
 554      */
 555     public function updatePassword($password, $confirmPassword)
 556     {
 557         if (MODE_DEMO) {
 558             $this->messages->add('i', _('in demo mode, you can\'t update your password'));
 559             Tools::logm('in demo mode, you can\'t do this');
 560             Tools::redirect('?view=config');
 561         }
 562         else {
 563             if (isset($password) && isset($confirmPassword)) {
 564                 if ($password == $confirmPassword && !empty($password)) {
 565                     $this->messages->add('s', _('your password has been updated'));
 566                     $this->store->updatePassword($this->user->getId(), Tools::encodeString($password . $this->user->getUsername()));
 567                     Session::logout();
 568                     Tools::logm('password updated');
 569                     Tools::redirect();
 570                 }
 571                 else {
 572                     $this->messages->add('e', _('the two fields have to be filled & the password must be the same in the two fields'));
 573                     Tools::redirect('?view=config');
 574                 }
 575             }
 576         }
 577     }
 578
 579     /**
 580      * Get credentials from differents sources
 581      * It redirects the user to the $referer link
 582      *
 583      * @return array
 584      */
 585     private function credentials()
 586     {
 587         if (isset($_SERVER['PHP_AUTH_USER'])) {
 588             return array($_SERVER['PHP_AUTH_USER'], 'php_auth', true);
 589         }
 590         if (!empty($_POST['login']) && !empty($_POST['password'])) {
 591             return array($_POST['login'], $_POST['password'], false);
 592         }
 593         if (isset($_SERVER['REMOTE_USER'])) {
 594             return array($_SERVER['REMOTE_USER'], 'http_auth', true);
 595         }
 596
 597         return array(false, false, false);
 598     }
 599
 600     /**
 601      * checks if login & password are correct and save the user in session.
 602      * it redirects the user to the $referer link
 603      * @param  string $referer the url to redirect after login
 604      * @todo add the return value
 605      * @return boolean
 606      */
 607     public function login($referer)
 608     {
 609         list($login,$password,$isauthenticated)=$this->credentials();
 610         if($login === false || $password === false) {
 611             $this->messages->add('e', _('login failed: you have to fill all fields'));
 612             Tools::logm('login failed');
 613             Tools::redirect();
 614         }
 615         if (!empty($login) && !empty($password)) {
 616             $user = $this->store->login($login, Tools::encodeString($password . $login), $isauthenticated);
 617             if ($user != array()) {
 618                 # Save login into Session
 619                 $longlastingsession = isset($_POST['longlastingsession']);
 620                 $passwordTest = ($isauthenticated) ? $user['password'] : Tools::encodeString($password . $login);
 621                 Session::login($user['username'], $user['password'], $login, $passwordTest, $longlastingsession, array('poche_user' => new User($user)));
 622
 623                 # reload l10n
 624                 $language = $user['config']['language'];
 625                 @putenv('LC_ALL=' . $language);
 626                 setlocale(LC_ALL, $language);
 627                 bindtextdomain($language, LOCALE);
 628                 textdomain($language);
 629
 630                 $this->messages->add('s', _('welcome to your wallabag'));
 631                 Tools::logm('login successful');
 632                 Tools::redirect($referer);
 633             }
 634             $this->messages->add('e', _('login failed: bad login or password'));
 635             // log login failure in web server log to allow fail2ban usage
 636             error_log('user '.$login.' authentication failure');
 637             Tools::logm('login failed');
 638             Tools::redirect();
 639         }
 640     }
 641
 642     /**
 643      * log out the poche user. It cleans the session.
 644      * @todo add the return value
 645      * @return boolean
 646      */
 647     public function logout()
 648     {
 649         $this->user = array();
 650         Session::logout();
 651         Tools::logm('logout');
 652         Tools::redirect();
 653     }
 654
 655     /**
 656      * import datas into your wallabag
 657      * @return boolean
 658      */
 659
 660     public function import() {
 661
 662       if ( isset($_FILES['file']) && $_FILES['file']['tmp_name'] ) {
 663         Tools::logm('Import stated: parsing file');
 664
 665         // assume, that file is in json format
 666         $str_data = file_get_contents($_FILES['file']['tmp_name']);
 667         $data = json_decode($str_data, true);
 668
 669         if ( $data === null ) {
 670           //not json - assume html
 671           $html = new simple_html_dom();
 672           $html->load_file($_FILES['file']['tmp_name']);
 673           $data = array();
 674           $read = 0;
 675           foreach (array('ol','ul') as $list) {
 676             foreach ($html->find($list) as $ul) {
 677               foreach ($ul->find('li') as $li) {
 678                 $tmpEntry = array();
 679                   $a = $li->find('a');
 680                   $tmpEntry['url'] = $a[0]->href;
 681                   $tmpEntry['tags'] = $a[0]->tags;
 682                   $tmpEntry['is_read'] = $read;
 683                   if ($tmpEntry['url']) {
 684                     $data[] = $tmpEntry;
 685                   }
 686               }
 687               # the second <ol/ul> is for read links
 688               $read = ((sizeof($data) && $read)?0:1);
 689             }
 690           }
 691         }
 692
 693             // for readability structure
 694
 695             foreach($data as $record) {
 696                 if (is_array($record)) {
 697                     $data[] = $record;
 698                     foreach($record as $record2) {
 699                         if (is_array($record2)) {
 700                             $data[] = $record2;
 701                         }
 702                     }
 703                 }
 704             }
 705
 706             $urlsInserted = array(); //urls of articles inserted
 707             foreach($data as $record) {
 708                 $url = trim(isset($record['article__url']) ? $record['article__url'] : (isset($record['url']) ? $record['url'] : ''));
 709                 if ($url and !in_array($url, $urlsInserted)) {
 710                     $title = (isset($record['title']) ? $record['title'] : _('Untitled - Import - ') . '</a> <a href="./?import">' . _('click to finish import') . '</a><a>');
 711                     $body = (isset($record['content']) ? $record['content'] : '');
 712                     $isRead = (isset($record['is_read']) ? intval($record['is_read']) : (isset($record['archive']) ? intval($record['archive']) : 0));
 713                     $isFavorite = (isset($record['is_fav']) ? intval($record['is_fav']) : (isset($record['favorite']) ? intval($record['favorite']) : 0));
 714
 715                     // insert new record
 716
 717                     $id = $this->store->add($url, $title, $body, $this->user->getId() , $isFavorite, $isRead);
 718                     if ($id) {
 719                         $urlsInserted[] = $url; //add
 720                         if (isset($record['tags']) && trim($record['tags'])) {
 721
 722                             $tags = explode(',', $record['tags']);
 723                                                         foreach($tags as $tag) {
 724                                                                 $entry_id = $id;
 725                                                                 $tag_id = $this->store->retrieveTagByValue($tag);
 726                                                                 if ($tag_id) {
 727                                                                         $this->store->setTagToEntry($tag_id['id'], $entry_id);
 728                                                                 } else {
 729                                                                         $this->store->createTag($tag);
 730                                                                         $tag_id = $this->store->retrieveTagByValue($tag);
 731                                                                         $this->store->setTagToEntry($tag_id['id'], $entry_id);
 732                                                                 }
 733                                                         }
 734
 735                         }
 736                     }
 737                 }
 738             }
 739
 740             $i = sizeof($urlsInserted);
 741             if ($i > 0) {
 742                 $this->messages->add('s', _('Articles inserted: ') . $i . _('. Please note, that some may be marked as "read".'));
 743             }
 744
 745         Tools::logm('Import of articles finished: '.$i.' articles added (w/o content if not provided).');
 746       }
 747       else {
 748         $this->messages->add('s', _('Did you forget to select a file?'));
 749       }
 750         // file parsing finished here
 751         // now download article contents if any
 752         // check if we need to download any content
 753
 754         $recordsDownloadRequired = $this->store->retrieveUnfetchedEntriesCount($this->user->getId());
 755
 756         if ($recordsDownloadRequired == 0) {
 757
 758             // nothing to download
 759
 760             $this->messages->add('s', _('Import finished.'));
 761             Tools::logm('Import finished completely');
 762             Tools::redirect();
 763         }
 764         else {
 765
 766             // if just inserted - don't download anything, download will start in next reload
 767
 768             if (!isset($_FILES['file'])) {
 769
 770                 // download next batch
 771
 772                 Tools::logm('Fetching next batch of articles...');
 773                 $items = $this->store->retrieveUnfetchedEntries($this->user->getId() , IMPORT_LIMIT);
 774                 $purifier = $this->_getPurifier();
 775                 foreach($items as $item) {
 776                     $url = new Url(base64_encode($item['url']));
 777                     if( $url->isCorrect() )
 778                     {
 779                         Tools::logm('Fetching article ' . $item['id']);
 780                         $content = Tools::getPageContent($url);
 781                         $title = (($content['rss']['channel']['item']['title'] != '') ? $content['rss']['channel']['item']['title'] : _('Untitled'));
 782                         $body = (($content['rss']['channel']['item']['description'] != '') ? $content['rss']['channel']['item']['description'] : _('Undefined'));
 783
 784                         // clean content to prevent xss attack
 785
 786                         $title = $purifier->purify($title);
 787                         $body = $purifier->purify($body);
 788                         $this->store->updateContentAndTitle($item['id'], $title, $body, $this->user->getId());
 789                         Tools::logm('Article ' . $item['id'] . ' updated.');
 790                     } else
 791                     {
 792                         Tools::logm('Unvalid URL (' . $item['url'] .')  to fetch for article ' . $item['id']);
 793                     }
 794                 }
 795             }
 796         }
 797
 798         return array(
 799             'includeImport' => true,
 800             'import' => array(
 801                 'recordsDownloadRequired' => $recordsDownloadRequired,
 802                 'recordsUnderDownload' => IMPORT_LIMIT,
 803                 'delay' => IMPORT_DELAY * 1000
 804             )
 805         );
 806     }
 807
 808     /**
 809      * export poche entries in json
 810      * @return json all poche entries
 811      */
 812     public function export()
 813     {
 814       $filename = "wallabag-export-".$this->user->getId()."-".date("Y-m-d").".json";
 815       header('Content-Disposition: attachment; filename='.$filename);
 816
 817       $entries = $this->store->retrieveAll($this->user->getId());
 818       echo $this->tpl->render('export.twig', array(
 819           'export' => Tools::renderJson($entries),
 820       ));
 821       Tools::logm('export view');
 822     }
 823
 824     /**
 825      * Checks online the latest version of poche and cache it
 826      * @param  string $which 'prod' or 'dev'
 827      * @return string        latest $which version
 828      */
 829     private function _getPocheVersion($which = 'prod') {
 830       $cache_file = CACHE . '/' . $which;
 831       $check_time = time();
 832
 833       # checks if the cached version file exists
 834       if (file_exists($cache_file) && (filemtime($cache_file) > (time() - 86400 ))) {
 835          $version = file_get_contents($cache_file);
 836          $check_time = filemtime($cache_file);
 837       } else {
 838          $version = file_get_contents('http://static.wallabag.org/versions/' . $which);
 839          file_put_contents($cache_file, $version, LOCK_EX);
 840       }
 841       return array($version, $check_time);
 842     }
 843
 844     /**
 845      * Update token for current user
 846      */
 847     public function updateToken()
 848     {
 849         $token = Tools::generateToken();
 850         $this->store->updateUserConfig($this->user->getId(), 'token', $token);
 851         $currentConfig = $_SESSION['poche_user']->config;
 852         $currentConfig['token'] = $token;
 853         $_SESSION['poche_user']->setConfig($currentConfig);
 854         Tools::redirect();
 855     }
 856
 857     /**
 858      * Generate RSS feeds for current user
 859      *
 860      * @param $token
 861      * @param $user_id
 862      * @param $tag_id if $type is 'tag', the id of the tag to generate feed for
 863      * @param string $type the type of feed to generate
 864      * @param int $limit the maximum number of items (0 means all)
 865      */
 866     public function generateFeeds($token, $user_id, $tag_id, $type = 'home', $limit = 0)
 867     {
 868         $allowed_types = array('home', 'fav', 'archive', 'tag');
 869         $config = $this->store->getConfigUser($user_id);
 870
 871         if ($config == null) {
 872             die(sprintf(_('User with this id (%d) does not exist.'), $user_id));
 873         }
 874
 875         if (!in_array($type, $allowed_types) || !isset($config['token']) || $token != $config['token']) {
 876             die(_('Uh, there is a problem while generating feed. Wrong token used?'));
 877         }
 878
 879         $feed = new FeedWriter(RSS2);
 880         $feed->setTitle('wallabag — ' . $type . ' feed');
 881         $feed->setLink(Tools::getPocheUrl());
 882         $feed->setChannelElement('pubDate', date(DATE_RSS , time()));
 883         $feed->setChannelElement('generator', 'wallabag');
 884         $feed->setDescription('wallabag ' . $type . ' elements');
 885
 886         if ($type == 'tag') {
 887             $entries = $this->store->retrieveEntriesByTag($tag_id, $user_id);
 888         }
 889         else {
 890             $entries = $this->store->getEntriesByView($type, $user_id);
 891         }
 892
 893         // if $limit is set to zero, use all entries
 894         if (0 == $limit) {
 895             $limit = count($entries);
 896         }
 897         if (count($entries) > 0) {
 898             for ($i = 0; $i < min(count($entries), $limit); $i++) {
 899                 $entry = $entries[$i];
 900                 $newItem = $feed->createNewItem();
 901                 $newItem->setTitle($entry['title']);
 902                 $newItem->setSource(Tools::getPocheUrl() . '?view=view&amp;id=' . $entry['id']);
 903                 $newItem->setLink($entry['url']);
 904                 $newItem->setDate(time());
 905                 $newItem->setDescription($entry['content']);
 906                 $feed->addItem($newItem);
 907             }
 908         }
 909
 910         $feed->genarateFeed();
 911         exit;
 912     }
 913
 914
 915
 916     /**
 917      * Returns new purifier object with actual config
 918      */
 919     private function _getPurifier()
 920     {
 921         $config = HTMLPurifier_Config::createDefault();
 922         $config->set('Cache.SerializerPath', CACHE);
 923         $config->set('HTML.SafeIframe', true);
 924
 925         //allow YouTube, Vimeo and dailymotion videos
 926         $config->set('URI.SafeIframeRegexp', '%^(https?:)?//(www\.youtube(?:-nocookie)?\.com/embed/|player\.vimeo\.com/video/|www\.dailymotion\.com/embed/video/)%');
 927
 928         return new HTMLPurifier($config);
 929     }
 930
 931
 932 }