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://www.wtfpl.net/ see COPYING file
   9  */
  10
  11 class Poche
  12 {
  13     public static $canRenderTemplates = true;
  14     public static $configFileAvailable = true;
  15
  16     public $user;
  17     public $store;
  18     public $tpl;
  19     public $messages;
  20     public $pagination;
  21
  22     private $currentTheme = '';
  23     private $currentLanguage = '';
  24     private $notInstalledMessage = array();
  25
  26     private $language_names = array(
  27       'cs_CZ.utf8' => 'čeština',
  28       'de_DE.utf8' => 'German',
  29       'en_EN.utf8' => 'English',
  30       'es_ES.utf8' => 'Español',
  31       'fa_IR.utf8' => 'فارسی',
  32       'fr_FR.utf8' => 'Français',
  33       'it_IT.utf8' => 'Italiano',
  34       'pl_PL.utf8' => 'Polski',
  35       'ru_RU.utf8' => 'Pусский',
  36       'sl_SI.utf8' => 'Slovenščina',
  37       'uk_UA.utf8' => 'Українська',
  38       'pt_BR.utf8' => 'Brasileiro',
  39     );
  40     public function __construct()
  41     {
  42         if ($this->configFileIsAvailable()) {
  43             $this->init();
  44         }
  45
  46         if ($this->themeIsInstalled()) {
  47             $this->initTpl();
  48         }
  49
  50         if ($this->systemIsInstalled()) {
  51             $this->store = new Database();
  52             $this->messages = new Messages();
  53             # installation
  54             if (! $this->store->isInstalled()) {
  55                 $this->install();
  56             }
  57             $this->store->checkTags();
  58         }
  59     }
  60
  61     private function init()
  62     {
  63         Tools::initPhp();
  64         Session::$sessionName = 'poche';
  65         Session::init();
  66
  67         if (isset($_SESSION['poche_user']) && $_SESSION['poche_user'] != array()) {
  68             $this->user = $_SESSION['poche_user'];
  69         } else {
  70             # fake user, just for install & login screens
  71             $this->user = new User();
  72             $this->user->setConfig($this->getDefaultConfig());
  73         }
  74
  75         # l10n
  76         $language = $this->user->getConfigValue('language');
  77         putenv('LC_ALL=' . $language);
  78         setlocale(LC_ALL, $language);
  79         bindtextdomain($language, LOCALE);
  80         textdomain($language);
  81
  82         # Pagination
  83         $this->pagination = new Paginator($this->user->getConfigValue('pager'), 'p');
  84
  85         # Set up theme
  86         $themeDirectory = $this->user->getConfigValue('theme');
  87
  88         if ($themeDirectory === false) {
  89             $themeDirectory = DEFAULT_THEME;
  90         }
  91
  92         $this->currentTheme = $themeDirectory;
  93
  94         # Set up language
  95         $languageDirectory = $this->user->getConfigValue('language');
  96
  97         if ($languageDirectory === false) {
  98             $languageDirectory = DEFAULT_THEME;
  99         }
 100
 101         $this->currentLanguage = $languageDirectory;
 102     }
 103
 104     public function configFileIsAvailable() {
 105         if (! self::$configFileAvailable) {
 106             $this->notInstalledMessage[] = 'You have to rename inc/poche/config.inc.php.new to inc/poche/config.inc.php.';
 107
 108             return false;
 109         }
 110
 111         return true;
 112     }
 113
 114     public function themeIsInstalled() {
 115         $passTheme = TRUE;
 116         # Twig is an absolute requirement for Poche to function. Abort immediately if the Composer installer hasn't been run yet
 117         if (! self::$canRenderTemplates) {
 118             $this->notInstalledMessage[] = 'Twig does not seem to be installed. Please initialize the Composer installation to automatically fetch dependencies. You can also download <a href="http://wllbg.org/vendor">vendor.zip</a> and extract it in your wallabag folder.';
 119             $passTheme = FALSE;
 120         }
 121
 122         if (! is_writable(CACHE)) {
 123             $this->notInstalledMessage[] = 'You don\'t have write access on cache directory.';
 124
 125             self::$canRenderTemplates = false;
 126
 127             $passTheme = FALSE;
 128         }
 129
 130         # Check if the selected theme and its requirements are present
 131         $theme = $this->getTheme();
 132
 133         if ($theme != '' && ! is_dir(THEME . '/' . $theme)) {
 134             $this->notInstalledMessage[] = 'The currently selected theme (' . $theme . ') does not seem to be properly installed (Missing directory: ' . THEME . '/' . $theme . ')';
 135
 136             self::$canRenderTemplates = false;
 137
 138             $passTheme = FALSE;
 139         }
 140
 141         $themeInfo = $this->getThemeInfo($theme);
 142         if (isset($themeInfo['requirements']) && is_array($themeInfo['requirements'])) {
 143             foreach ($themeInfo['requirements'] as $requiredTheme) {
 144                 if (! is_dir(THEME . '/' . $requiredTheme)) {
 145                     $this->notInstalledMessage[] = 'The required "' . $requiredTheme . '" theme is missing for the current theme (' . $theme . ')';
 146
 147                     self::$canRenderTemplates = false;
 148
 149                     $passTheme = FALSE;
 150                 }
 151             }
 152         }
 153
 154         if (!$passTheme) {
 155             return FALSE;
 156         }
 157
 158
 159         return true;
 160     }
 161
 162     /**
 163      * all checks before installation.
 164      * @todo move HTML to template
 165      * @return boolean
 166      */
 167     public function systemIsInstalled()
 168     {
 169         $msg = TRUE;
 170
 171         $configSalt = defined('SALT') ? constant('SALT') : '';
 172
 173         if (empty($configSalt)) {
 174             $this->notInstalledMessage[] = 'You have not yet filled in the SALT value in the config.inc.php file.';
 175             $msg = FALSE;
 176         }
 177         if (STORAGE == 'sqlite' && ! file_exists(STORAGE_SQLITE)) {
 178             Tools::logm('sqlite file doesn\'t exist');
 179             $this->notInstalledMessage[] = 'sqlite file doesn\'t exist, you can find it in install folder. Copy it in /db folder.';
 180             $msg = FALSE;
 181         }
 182         if (is_dir(ROOT . '/install') && ! DEBUG_POCHE) {
 183             $this->notInstalledMessage[] = 'you have to delete the /install folder before using poche.';
 184             $msg = FALSE;
 185         }
 186         if (STORAGE == 'sqlite' && ! is_writable(STORAGE_SQLITE)) {
 187             Tools::logm('you don\'t have write access on sqlite file');
 188             $this->notInstalledMessage[] = 'You don\'t have write access on sqlite file.';
 189             $msg = FALSE;
 190         }
 191
 192         if (! $msg) {
 193             return false;
 194         }
 195
 196         return true;
 197     }
 198
 199     public function getNotInstalledMessage() {
 200         return $this->notInstalledMessage;
 201     }
 202
 203     private function initTpl()
 204     {
 205         $loaderChain = new Twig_Loader_Chain();
 206         $theme = $this->getTheme();
 207
 208         # add the current theme as first to the loader chain so Twig will look there first for overridden template files
 209         try {
 210             $loaderChain->addLoader(new Twig_Loader_Filesystem(THEME . '/' . $theme));
 211         } catch (Twig_Error_Loader $e) {
 212             # @todo isInstalled() should catch this, inject Twig later
 213             die('The currently selected theme (' . $theme . ') does not seem to be properly installed (' . THEME . '/' . $theme .' is missing)');
 214         }
 215
 216         # add all required themes to the loader chain
 217         $themeInfo = $this->getThemeInfo($theme);
 218         if (isset($themeInfo['requirements']) && is_array($themeInfo['requirements'])) {
 219             foreach ($themeInfo['requirements'] as $requiredTheme) {
 220                 try {
 221                     $loaderChain->addLoader(new Twig_Loader_Filesystem(THEME . '/' . $requiredTheme));
 222                 } catch (Twig_Error_Loader $e) {
 223                     # @todo isInstalled() should catch this, inject Twig later
 224                     die('The required "' . $requiredTheme . '" theme is missing for the current theme (' . $theme . ')');
 225                 }
 226             }
 227         }
 228
 229         if (DEBUG_POCHE) {
 230             $twigParams = array();
 231         } else {
 232             $twigParams = array('cache' => CACHE);
 233         }
 234
 235         $this->tpl = new Twig_Environment($loaderChain, $twigParams);
 236         $this->tpl->addExtension(new Twig_Extensions_Extension_I18n());
 237
 238         # filter to display domain name of an url
 239         $filter = new Twig_SimpleFilter('getDomain', 'Tools::getDomain');
 240         $this->tpl->addFilter($filter);
 241
 242         # filter for reading time
 243         $filter = new Twig_SimpleFilter('getReadingTime', 'Tools::getReadingTime');
 244         $this->tpl->addFilter($filter);
 245     }
 246
 247     private function install()
 248     {
 249         Tools::logm('poche still not installed');
 250         echo $this->tpl->render('install.twig', array(
 251             'token' => Session::getToken(),
 252             'theme' => $this->getTheme(),
 253             'poche_url' => Tools::getPocheUrl()
 254         ));
 255         if (isset($_GET['install'])) {
 256             if (($_POST['password'] == $_POST['password_repeat'])
 257                 && $_POST['password'] != "" && $_POST['login'] != "") {
 258                 # let's rock, install poche baby !
 259                 if ($this->store->install($_POST['login'], Tools::encodeString($_POST['password'] . $_POST['login'])))
 260                 {
 261                     Session::logout();
 262                     Tools::logm('poche is now installed');
 263                     Tools::redirect();
 264                 }
 265             }
 266             else {
 267                 Tools::logm('error during installation');
 268                 Tools::redirect();
 269             }
 270         }
 271         exit();
 272     }
 273
 274     public function getTheme() {
 275         return $this->currentTheme;
 276     }
 277
 278     /**
 279      * Provides theme information by parsing theme.ini file if present in the theme's root directory.
 280      * In all cases, the following data will be returned:
 281      * - name: theme's name, or key if the theme is unnamed,
 282      * - current: boolean informing if the theme is the current user theme.
 283      *
 284      * @param string $theme Theme key (directory name)
 285      * @return array|boolean Theme information, or false if the theme doesn't exist.
 286      */
 287     public function getThemeInfo($theme) {
 288         if (!is_dir(THEME . '/' . $theme)) {
 289             return false;
 290         }
 291
 292         $themeIniFile = THEME . '/' . $theme . '/theme.ini';
 293         $themeInfo = array();
 294
 295         if (is_file($themeIniFile) && is_readable($themeIniFile)) {
 296             $themeInfo = parse_ini_file($themeIniFile);
 297         }
 298
 299         if ($themeInfo === false) {
 300             $themeInfo = array();
 301         }
 302         if (!isset($themeInfo['name'])) {
 303             $themeInfo['name'] = $theme;
 304         }
 305         $themeInfo['current'] = ($theme === $this->getTheme());
 306
 307         return $themeInfo;
 308     }
 309
 310     public function getInstalledThemes() {
 311         $handle = opendir(THEME);
 312         $themes = array();
 313
 314         while (($theme = readdir($handle)) !== false) {
 315             # Themes are stored in a directory, so all directory names are themes
 316             # @todo move theme installation data to database
 317             if (!is_dir(THEME . '/' . $theme) || in_array($theme, array('.', '..'))) {
 318                 continue;
 319             }
 320
 321             $themes[$theme] = $this->getThemeInfo($theme);
 322         }
 323
 324         ksort($themes);
 325
 326         return $themes;
 327     }
 328
 329     public function getLanguage() {
 330         return $this->currentLanguage;
 331     }
 332
 333     public function getInstalledLanguages() {
 334         $handle = opendir(LOCALE);
 335         $languages = array();
 336
 337         while (($language = readdir($handle)) !== false) {
 338             # Languages are stored in a directory, so all directory names are languages
 339             # @todo move language installation data to database
 340             if (! is_dir(LOCALE . '/' . $language) || in_array($language, array('..', '.', 'tools'))) {
 341                 continue;
 342             }
 343
 344             $current = false;
 345
 346             if ($language === $this->getLanguage()) {
 347                 $current = true;
 348             }
 349
 350             $languages[] = array('name' => (isset($this->language_names[$language]) ? $this->language_names[$language] : $language), 'value' => $language, 'current' => $current);
 351         }
 352
 353         return $languages;
 354     }
 355
 356     public function getDefaultConfig()
 357     {
 358         return array(
 359             'pager' => PAGINATION,
 360             'language' => LANG,
 361             'theme' => DEFAULT_THEME
 362         );
 363     }
 364
 365     /**
 366      * Call action (mark as fav, archive, delete, etc.)
 367      */
 368     public function action($action, Url $url, $id = 0, $import = FALSE, $autoclose = FALSE, $tags = null)
 369     {
 370         switch ($action)
 371         {
 372             case 'add':
 373                 if (!$import) {
 374                     $content = Tools::getPageContent($url);
 375                     $title = ($content['rss']['channel']['item']['title'] != '') ? $content['rss']['channel']['item']['title'] : _('Untitled');
 376                     $body = $content['rss']['channel']['item']['description'];
 377
 378                     // clean content from prevent xss attack
 379                     $config = HTMLPurifier_Config::createDefault();
 380                     $config->set('Cache.SerializerPath', CACHE);
 381                     $purifier = new HTMLPurifier($config);
 382                     $title = $purifier->purify($title);
 383                     $body = $purifier->purify($body);
 384                 }
 385                 else {
 386                     $title = '';
 387                     $body = '';
 388                 }
 389
 390                 //search for possible duplicate if not in import mode
 391                 if (!$import) {
 392                     $duplicate = $this->store->retrieveOneByURL($url->getUrl(), $this->user->getId());
 393                 }
 394
 395                 if ($this->store->add($url->getUrl(), $title, $body, $this->user->getId())) {
 396                     Tools::logm('add link ' . $url->getUrl());
 397                     $sequence = '';
 398                     if (STORAGE == 'postgres') {
 399                         $sequence = 'entries_id_seq';
 400                     }
 401                     $last_id = $this->store->getLastId($sequence);
 402                     if (DOWNLOAD_PICTURES) {
 403                         $content = filtre_picture($body, $url->getUrl(), $last_id);
 404                         Tools::logm('updating content article');
 405                         $this->store->updateContent($last_id, $content, $this->user->getId());
 406                     }
 407
 408                     if ($duplicate != NULL) {
 409                         // 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
 410                         Tools::logm('link ' . $url->getUrl() . ' is a duplicate');
 411                         // 1) - preserve tags and favorite, then drop old entry
 412                         $this->store->reassignTags($duplicate['id'], $last_id);
 413                         if ($duplicate['is_fav']) {
 414                           $this->store->favoriteById($last_id, $this->user->getId());
 415                         }
 416                         if ($this->store->deleteById($duplicate['id'], $this->user->getId())) {
 417                           Tools::logm('previous link ' . $url->getUrl() .' entry deleted');
 418                         }
 419                     }
 420
 421                     if (!$import) {
 422                         $this->messages->add('s', _('the link has been added successfully'));
 423                     }
 424                 }
 425                 else {
 426                     if (!$import) {
 427                         $this->messages->add('e', _('error during insertion : the link wasn\'t added'));
 428                         Tools::logm('error during insertion : the link wasn\'t added ' . $url->getUrl());
 429                     }
 430                 }
 431
 432                 if (!$import) {
 433                     if ($autoclose == TRUE) {
 434                       Tools::redirect('?view=home');
 435                     } else {
 436                       Tools::redirect('?view=home&closewin=true');
 437                     }
 438                 }
 439                 break;
 440             case 'delete':
 441                 $msg = 'delete link #' . $id;
 442                 if ($this->store->deleteById($id, $this->user->getId())) {
 443                     if (DOWNLOAD_PICTURES) {
 444                         remove_directory(ABS_PATH . $id);
 445                     }
 446                     $this->messages->add('s', _('the link has been deleted successfully'));
 447                 }
 448                 else {
 449                     $this->messages->add('e', _('the link wasn\'t deleted'));
 450                     $msg = 'error : can\'t delete link #' . $id;
 451                 }
 452                 Tools::logm($msg);
 453                 Tools::redirect('?');
 454                 break;
 455             case 'toggle_fav' :
 456                 $this->store->favoriteById($id, $this->user->getId());
 457                 Tools::logm('mark as favorite link #' . $id);
 458                 if (!$import) {
 459                     Tools::redirect();
 460                 }
 461                 break;
 462             case 'toggle_archive' :
 463                 $this->store->archiveById($id, $this->user->getId());
 464                 Tools::logm('archive link #' . $id);
 465                 if (!$import) {
 466                     Tools::redirect();
 467                 }
 468                 break;
 469             case 'archive_all' :
 470                 $this->store->archiveAll($this->user->getId());
 471                 Tools::logm('archive all links');
 472                 if (!$import) {
 473                     Tools::redirect();
 474                 }
 475                 break;
 476             case 'add_tag' :
 477                 if($import){
 478                     $entry_id = $id;
 479                     $tags = explode(',', $tags);
 480                 }
 481                 else{
 482                     $tags = explode(',', $_POST['value']);
 483                     $entry_id = $_POST['entry_id'];
 484                 }
 485                 $entry = $this->store->retrieveOneById($entry_id, $this->user->getId());
 486                 if (!$entry) {
 487                     $this->messages->add('e', _('Article not found!'));
 488                     Tools::logm('error : article not found');
 489                     Tools::redirect();
 490                 }
 491                 foreach($tags as $key => $tag_value) {
 492                     $value = trim($tag_value);
 493                     $tag = $this->store->retrieveTagByValue($value);
 494
 495                     if (is_null($tag)) {
 496                         # we create the tag
 497                         $tag = $this->store->createTag($value);
 498                         $sequence = '';
 499                         if (STORAGE == 'postgres') {
 500                             $sequence = 'tags_id_seq';
 501                         }
 502                         $tag_id = $this->store->getLastId($sequence);
 503                     }
 504                     else {
 505                         $tag_id = $tag['id'];
 506                     }
 507
 508                     # we assign the tag to the article
 509                     $this->store->setTagToEntry($tag_id, $entry_id);
 510                 }
 511                 if(!$import) {
 512                     Tools::redirect();
 513                 }
 514                 break;
 515             case 'remove_tag' :
 516                 $tag_id = $_GET['tag_id'];
 517                 $entry = $this->store->retrieveOneById($id, $this->user->getId());
 518                 if (!$entry) {
 519                     $this->messages->add('e', _('Article not found!'));
 520                     Tools::logm('error : article not found');
 521                     Tools::redirect();
 522                 }
 523                 $this->store->removeTagForEntry($id, $tag_id);
 524                 Tools::redirect();
 525                 break;
 526             default:
 527                 break;
 528         }
 529     }
 530
 531     function displayView($view, $id = 0)
 532     {
 533         $tpl_vars = array();
 534
 535         switch ($view)
 536         {
 537             case 'config':
 538                 $dev_infos = $this->getPocheVersion('dev');
 539                 $dev = trim($dev_infos[0]);
 540                 $check_time_dev = date('d-M-Y H:i', $dev_infos[1]);
 541                 $prod_infos = $this->getPocheVersion('prod');
 542                 $prod = trim($prod_infos[0]);
 543                 $check_time_prod = date('d-M-Y H:i', $prod_infos[1]);
 544                 $compare_dev = version_compare(POCHE, $dev);
 545                 $compare_prod = version_compare(POCHE, $prod);
 546                 $themes = $this->getInstalledThemes();
 547                 $languages = $this->getInstalledLanguages();
 548                 $token = $this->user->getConfigValue('token');
 549                 $http_auth = (isset($_SERVER['PHP_AUTH_USER']) || isset($_SERVER['REMOTE_USER'])) ? true : false;
 550                 $tpl_vars = array(
 551                     'themes' => $themes,
 552                     'languages' => $languages,
 553                     'dev' => $dev,
 554                     'prod' => $prod,
 555                     'check_time_dev' => $check_time_dev,
 556                     'check_time_prod' => $check_time_prod,
 557                     'compare_dev' => $compare_dev,
 558                     'compare_prod' => $compare_prod,
 559                     'token' => $token,
 560                     'user_id' => $this->user->getId(),
 561                     'http_auth' => $http_auth,
 562                 );
 563                 Tools::logm('config view');
 564                 break;
 565             case 'edit-tags':
 566                 # tags
 567                 $entry = $this->store->retrieveOneById($id, $this->user->getId());
 568                 if (!$entry) {
 569                     $this->messages->add('e', _('Article not found!'));
 570                     Tools::logm('error : article not found');
 571                     Tools::redirect();
 572                 }
 573                 $tags = $this->store->retrieveTagsByEntry($id);
 574                 $tpl_vars = array(
 575                     'entry_id' => $id,
 576                     'tags' => $tags,
 577                     'entry' => $entry,
 578                 );
 579                 break;
 580             case 'tags':
 581                 $token = $this->user->getConfigValue('token');
 582                 $tags = $this->store->retrieveAllTags($this->user->getId());
 583                 $tpl_vars = array(
 584                     'token' => $token,
 585                     'user_id' => $this->user->getId(),
 586                     'tags' => $tags,
 587                 );
 588                 break;
 589             case 'view':
 590                 $entry = $this->store->retrieveOneById($id, $this->user->getId());
 591                 if ($entry != NULL) {
 592                     Tools::logm('view link #' . $id);
 593                     $content = $entry['content'];
 594                     if (function_exists('tidy_parse_string')) {
 595                         $tidy = tidy_parse_string($content, array('indent'=>true, 'show-body-only' => true), 'UTF8');
 596                         $tidy->cleanRepair();
 597                         $content = $tidy->value;
 598                     }
 599
 600                     # flattr checking
 601                     $flattr = new FlattrItem();
 602                     $flattr->checkItem($entry['url'], $entry['id']);
 603
 604                     # tags
 605                     $tags = $this->store->retrieveTagsByEntry($entry['id']);
 606
 607                     $tpl_vars = array(
 608                         'entry' => $entry,
 609                         'content' => $content,
 610                         'flattr' => $flattr,
 611                         'tags' => $tags
 612                     );
 613                 }
 614                 else {
 615                     Tools::logm('error in view call : entry is null');
 616                 }
 617                 break;
 618             default: # home, favorites, archive and tag views
 619                 $tpl_vars = array(
 620                     'entries' => '',
 621                     'page_links' => '',
 622                     'nb_results' => '',
 623                     'listmode' => (isset($_COOKIE['listmode']) ? true : false),
 624                 );
 625
 626                 //if id is given - we retrive entries by tag: id is tag id
 627                 if ($id) {
 628                   $tpl_vars['tag'] = $this->store->retrieveTag($id, $this->user->getId());
 629                   $tpl_vars['id'] = intval($id);
 630                 }
 631
 632                 $count = $this->store->getEntriesByViewCount($view, $this->user->getId(), $id);
 633
 634                 if ($count > 0) {
 635                     $this->pagination->set_total($count);
 636                     $page_links = str_replace(array('previous', 'next'), array(_('previous'), _('next')),
 637                         $this->pagination->page_links('?view=' . $view . '&sort=' . $_SESSION['sort'] . (($id)?'&id='.$id:'') . '&' ));
 638                     $tpl_vars['entries'] = $this->store->getEntriesByView($view, $this->user->getId(), $this->pagination->get_limit(), $id);
 639                     $tpl_vars['page_links'] = $page_links;
 640                     $tpl_vars['nb_results'] = $count;
 641                 }
 642                 Tools::logm('display ' . $view . ' view');
 643                 break;
 644         }
 645
 646         return $tpl_vars;
 647     }
 648
 649     /**
 650      * update the password of the current user.
 651      * if MODE_DEMO is TRUE, the password can't be updated.
 652      * @todo add the return value
 653      * @todo set the new password in function header like this updatePassword($newPassword)
 654      * @return boolean
 655      */
 656     public function updatePassword()
 657     {
 658         if (MODE_DEMO) {
 659             $this->messages->add('i', _('in demo mode, you can\'t update your password'));
 660             Tools::logm('in demo mode, you can\'t do this');
 661             Tools::redirect('?view=config');
 662         }
 663         else {
 664             if (isset($_POST['password']) && isset($_POST['password_repeat'])) {
 665                 if ($_POST['password'] == $_POST['password_repeat'] && $_POST['password'] != "") {
 666                     $this->messages->add('s', _('your password has been updated'));
 667                     $this->store->updatePassword($this->user->getId(), Tools::encodeString($_POST['password'] . $this->user->getUsername()));
 668                     Session::logout();
 669                     Tools::logm('password updated');
 670                     Tools::redirect();
 671                 }
 672                 else {
 673                     $this->messages->add('e', _('the two fields have to be filled & the password must be the same in the two fields'));
 674                     Tools::redirect('?view=config');
 675                 }
 676             }
 677         }
 678     }
 679
 680     public function updateTheme()
 681     {
 682         # no data
 683         if (empty($_POST['theme'])) {
 684         }
 685
 686         # we are not going to change it to the current theme...
 687         if ($_POST['theme'] == $this->getTheme()) {
 688             $this->messages->add('w', _('still using the "' . $this->getTheme() . '" theme!'));
 689             Tools::redirect('?view=config');
 690         }
 691
 692         $themes = $this->getInstalledThemes();
 693         $actualTheme = false;
 694
 695         foreach (array_keys($themes) as $theme) {
 696             if ($theme == $_POST['theme']) {
 697                 $actualTheme = true;
 698                 break;
 699             }
 700         }
 701
 702         if (! $actualTheme) {
 703             $this->messages->add('e', _('that theme does not seem to be installed'));
 704             Tools::redirect('?view=config');
 705         }
 706
 707         $this->store->updateUserConfig($this->user->getId(), 'theme', $_POST['theme']);
 708         $this->messages->add('s', _('you have changed your theme preferences'));
 709
 710         $currentConfig = $_SESSION['poche_user']->config;
 711         $currentConfig['theme'] = $_POST['theme'];
 712
 713         $_SESSION['poche_user']->setConfig($currentConfig);
 714
 715         $this->emptyCache();
 716
 717         Tools::redirect('?view=config');
 718     }
 719
 720     public function updateLanguage()
 721     {
 722         # no data
 723         if (empty($_POST['language'])) {
 724         }
 725
 726         # we are not going to change it to the current language...
 727         if ($_POST['language'] == $this->getLanguage()) {
 728             $this->messages->add('w', _('still using the "' . $this->getLanguage() . '" language!'));
 729             Tools::redirect('?view=config');
 730         }
 731
 732         $languages = $this->getInstalledLanguages();
 733         $actualLanguage = false;
 734
 735         foreach ($languages as $language) {
 736             if ($language['value'] == $_POST['language']) {
 737                 $actualLanguage = true;
 738                 break;
 739             }
 740         }
 741
 742         if (! $actualLanguage) {
 743             $this->messages->add('e', _('that language does not seem to be installed'));
 744             Tools::redirect('?view=config');
 745         }
 746
 747         $this->store->updateUserConfig($this->user->getId(), 'language', $_POST['language']);
 748         $this->messages->add('s', _('you have changed your language preferences'));
 749
 750         $currentConfig = $_SESSION['poche_user']->config;
 751         $currentConfig['language'] = $_POST['language'];
 752
 753         $_SESSION['poche_user']->setConfig($currentConfig);
 754
 755         $this->emptyCache();
 756
 757         Tools::redirect('?view=config');
 758     }
 759
 760     /**
 761      * get credentials from differents sources
 762      * it redirects the user to the $referer link
 763      * @return array
 764      */
 765     private function credentials() {
 766         if(isset($_SERVER['PHP_AUTH_USER'])) {
 767             return array($_SERVER['PHP_AUTH_USER'],'php_auth',true);
 768         }
 769         if(!empty($_POST['login']) && !empty($_POST['password'])) {
 770             return array($_POST['login'],$_POST['password'],false);
 771         }
 772         if(isset($_SERVER['REMOTE_USER'])) {
 773             return array($_SERVER['REMOTE_USER'],'http_auth',true);
 774         }
 775
 776         return array(false,false,false);
 777     }
 778
 779     /**
 780      * checks if login & password are correct and save the user in session.
 781      * it redirects the user to the $referer link
 782      * @param  string $referer the url to redirect after login
 783      * @todo add the return value
 784      * @return boolean
 785      */
 786     public function login($referer)
 787     {
 788         list($login,$password,$isauthenticated)=$this->credentials();
 789         if($login === false || $password === false) {
 790             $this->messages->add('e', _('login failed: you have to fill all fields'));
 791             Tools::logm('login failed');
 792             Tools::redirect();
 793         }
 794         if (!empty($login) && !empty($password)) {
 795             $user = $this->store->login($login, Tools::encodeString($password . $login), $isauthenticated);
 796             if ($user != array()) {
 797                 # Save login into Session
 798                 $longlastingsession = isset($_POST['longlastingsession']);
 799                 $passwordTest = ($isauthenticated) ? $user['password'] : Tools::encodeString($password . $login);
 800                 Session::login($user['username'], $user['password'], $login, $passwordTest, $longlastingsession, array('poche_user' => new User($user)));
 801                 $this->messages->add('s', _('welcome to your wallabag'));
 802                 Tools::logm('login successful');
 803                 Tools::redirect($referer);
 804             }
 805             $this->messages->add('e', _('login failed: bad login or password'));
 806             Tools::logm('login failed');
 807             Tools::redirect();
 808         }
 809     }
 810
 811     /**
 812      * log out the poche user. It cleans the session.
 813      * @todo add the return value
 814      * @return boolean
 815      */
 816     public function logout()
 817     {
 818         $this->user = array();
 819         Session::logout();
 820         Tools::logm('logout');
 821         Tools::redirect();
 822     }
 823
 824     /**
 825      * import from Instapaper. poche needs a ./instapaper-export.html file
 826      * @todo add the return value
 827      * @param string $targetFile the file used for importing
 828      * @return boolean
 829      */
 830     private function importFromInstapaper($targetFile)
 831     {
 832         # TODO gestion des articles favs
 833         $html = new simple_html_dom();
 834         $html->load_file($targetFile);
 835         Tools::logm('starting import from instapaper');
 836
 837         $read = 0;
 838         $errors = array();
 839         foreach($html->find('ol') as $ul)
 840         {
 841             foreach($ul->find('li') as $li)
 842             {
 843                 $a = $li->find('a');
 844                 $url = new Url(base64_encode($a[0]->href));
 845                 $this->action('add', $url, 0, TRUE);
 846                 if ($read == '1') {
 847                     $sequence = '';
 848                     if (STORAGE == 'postgres') {
 849                         $sequence = 'entries_id_seq';
 850                     }
 851                     $last_id = $this->store->getLastId($sequence);
 852                     $this->action('toggle_archive', $url, $last_id, TRUE);
 853                 }
 854             }
 855
 856             # the second <ol> is for read links
 857             $read = 1;
 858         }
 859         $this->messages->add('s', _('import from instapaper completed. You have to execute the cron to fetch content.'));
 860         Tools::logm('import from instapaper completed');
 861         Tools::redirect();
 862     }
 863
 864     /**
 865      * import from Pocket. poche needs a ./ril_export.html file
 866      * @todo add the return value
 867      * @param string $targetFile the file used for importing
 868      * @return boolean
 869      */
 870     private function importFromPocket($targetFile)
 871     {
 872         # TODO gestion des articles favs
 873         $html = new simple_html_dom();
 874         $html->load_file($targetFile);
 875         Tools::logm('starting import from pocket');
 876
 877         $read = 0;
 878         $errors = array();
 879         foreach($html->find('ul') as $ul)
 880         {
 881             foreach($ul->find('li') as $li)
 882             {
 883                 $a = $li->find('a');
 884                 $url = new Url(base64_encode($a[0]->href));
 885                 $this->action('add', $url, 0, TRUE);
 886                 $sequence = '';
 887                 if (STORAGE == 'postgres') {
 888                     $sequence = 'entries_id_seq';
 889                 }
 890                 $last_id = $this->store->getLastId($sequence);
 891                 if ($read == '1') {
 892                     $this->action('toggle_archive', $url, $last_id, TRUE);
 893                 }
 894                 $tags = $a[0]->tags;
 895                 if(!empty($tags)) {
 896                     $this->action('add_tag',$url,$last_id,true,false,$tags);
 897                 }
 898             }
 899
 900             # the second <ul> is for read links
 901             $read = 1;
 902         }
 903         $this->messages->add('s', _('import from pocket completed. You have to execute the cron to fetch content.'));
 904         Tools::logm('import from pocket completed');
 905         Tools::redirect();
 906     }
 907
 908     /**
 909      * import from Readability. poche needs a ./readability file
 910      * @todo add the return value
 911      * @param string $targetFile the file used for importing
 912      * @return boolean
 913      */
 914     private function importFromReadability($targetFile)
 915     {
 916         # TODO gestion des articles lus / favs
 917         $str_data = file_get_contents($targetFile);
 918         $data = json_decode($str_data,true);
 919         Tools::logm('starting import from Readability');
 920         $count = 0;
 921         foreach ($data as $key => $value) {
 922             $url = NULL;
 923             $favorite = FALSE;
 924             $archive = FALSE;
 925             foreach ($value as $item) {
 926                 foreach ($item as $attr => $value) {
 927                     if ($attr == 'article__url') {
 928                         $url = new Url(base64_encode($value));
 929                     }
 930                     $sequence = '';
 931                     if (STORAGE == 'postgres') {
 932                         $sequence = 'entries_id_seq';
 933                     }
 934                     if ($value == 'true') {
 935                         if ($attr == 'favorite') {
 936                             $favorite = TRUE;
 937                         }
 938                         if ($attr == 'archive') {
 939                             $archive = TRUE;
 940                         }
 941                     }
 942                 }
 943
 944                 # we can add the url
 945                 if (!is_null($url) && $url->isCorrect()) {
 946                     $this->action('add', $url, 0, TRUE);
 947                     $count++;
 948                     if ($favorite) {
 949                         $last_id = $this->store->getLastId($sequence);
 950                         $this->action('toggle_fav', $url, $last_id, TRUE);
 951                     }
 952                     if ($archive) {
 953                         $last_id = $this->store->getLastId($sequence);
 954                         $this->action('toggle_archive', $url, $last_id, TRUE);
 955                     }
 956                 }
 957             }
 958         }
 959         $this->messages->add('s', _('import from Readability completed. You have to execute the cron to fetch content.'));
 960         Tools::logm('import from Readability completed');
 961         Tools::redirect();
 962     }
 963
 964     /**
 965      * import from Poche exported file
 966      * @param string $targetFile the file used for importing
 967      * @return boolean
 968      */
 969     private function importFromPoche($targetFile)
 970     {
 971         $str_data = file_get_contents($targetFile);
 972         $data = json_decode($str_data,true);
 973         Tools::logm('starting import from Poche');
 974
 975
 976         $sequence = '';
 977         if (STORAGE == 'postgres') {
 978             $sequence = 'entries_id_seq';
 979         }
 980
 981         $count = 0;
 982         foreach ($data as $value) {
 983
 984             $url = new Url(base64_encode($value['url']));
 985             $favorite = ($value['is_fav'] == -1);
 986             $archive = ($value['is_read'] == -1);
 987
 988             # we can add the url
 989             if (!is_null($url) && $url->isCorrect()) {
 990
 991                 $this->action('add', $url, 0, TRUE);
 992
 993                 $count++;
 994                 if ($favorite) {
 995                     $last_id = $this->store->getLastId($sequence);
 996                     $this->action('toggle_fav', $url, $last_id, TRUE);
 997                 }
 998                 if ($archive) {
 999                     $last_id = $this->store->getLastId($sequence);
1000                     $this->action('toggle_archive', $url, $last_id, TRUE);
1001                 }
1002             }
1003
1004         }
1005         $this->messages->add('s', _('import from Poche completed. You have to execute the cron to fetch content.'));
1006         Tools::logm('import from Poche completed');
1007         Tools::redirect();
1008     }
1009
1010     /**
1011      * import datas into your poche
1012      * @param  string $from name of the service to import : pocket, instapaper or readability
1013      * @todo add the return value
1014      * @return boolean
1015      */
1016     public function import($from)
1017     {
1018         $providers = array(
1019             'pocket' => 'importFromPocket',
1020             'readability' => 'importFromReadability',
1021             'instapaper' => 'importFromInstapaper',
1022             'poche' => 'importFromPoche',
1023         );
1024
1025         if (! isset($providers[$from])) {
1026             $this->messages->add('e', _('Unknown import provider.'));
1027             Tools::redirect();
1028         }
1029
1030         $targetFile = CACHE . '/' . constant(strtoupper($from) . '_FILE');
1031
1032         if (! file_exists($targetFile)) {
1033             $this->messages->add('e', _('Could not find required "' . $targetFile . '" import file.'));
1034             Tools::redirect();
1035         }
1036
1037         $this->$providers[$from]($targetFile);
1038     }
1039
1040     public function uploadFile() {
1041         if(isset($_FILES['file']))
1042         {
1043             $dir = CACHE . '/';
1044             $file = basename($_FILES['file']['name']);
1045             if(move_uploaded_file($_FILES['file']['tmp_name'], $dir . $file)) {
1046                 $this->messages->add('s', _('File uploaded. You can now execute import.'));
1047             }
1048             else {
1049                 $this->messages->add('e', _('Error while importing file. Do you have access to upload it?'));
1050             }
1051         }
1052
1053         Tools::redirect('?view=config');
1054     }
1055
1056     /**
1057      * export poche entries in json
1058      * @return json all poche entries
1059      */
1060     public function export()
1061     {
1062         $entries = $this->store->retrieveAll($this->user->getId());
1063         echo $this->tpl->render('export.twig', array(
1064             'export' => Tools::renderJson($entries),
1065         ));
1066         Tools::logm('export view');
1067     }
1068
1069     /**
1070      * Checks online the latest version of poche and cache it
1071      * @param  string $which 'prod' or 'dev'
1072      * @return string        latest $which version
1073      */
1074     private function getPocheVersion($which = 'prod')
1075     {
1076         $cache_file = CACHE . '/' . $which;
1077         $check_time = time();
1078
1079         # checks if the cached version file exists
1080         if (file_exists($cache_file) && (filemtime($cache_file) > (time() - 86400 ))) {
1081            $version = file_get_contents($cache_file);
1082            $check_time = filemtime($cache_file);
1083         } else {
1084            $version = file_get_contents('http://static.wallabag.org/versions/' . $which);
1085            file_put_contents($cache_file, $version, LOCK_EX);
1086         }
1087         return array($version, $check_time);
1088     }
1089
1090     public function generateToken()
1091     {
1092         if (ini_get('open_basedir') === '') {
1093             $token = substr(base64_encode(file_get_contents('/dev/urandom', false, null, 0, 20)), 0, 15);
1094         }
1095         else {
1096             $token = substr(base64_encode(uniqid(mt_rand(), true)), 0, 20);
1097         }
1098
1099         $token = str_replace('+', '', $token);
1100         $this->store->updateUserConfig($this->user->getId(), 'token', $token);
1101         $currentConfig = $_SESSION['poche_user']->config;
1102         $currentConfig['token'] = $token;
1103         $_SESSION['poche_user']->setConfig($currentConfig);
1104         Tools::redirect();
1105     }
1106
1107     public function generateFeeds($token, $user_id, $tag_id, $type = 'home')
1108     {
1109         $allowed_types = array('home', 'fav', 'archive', 'tag');
1110         $config = $this->store->getConfigUser($user_id);
1111
1112         if (!in_array($type, $allowed_types) ||
1113             $token != $config['token']) {
1114             die(_('Uh, there is a problem while generating feeds.'));
1115         }
1116         // Check the token
1117
1118         $feed = new FeedWriter(RSS2);
1119         $feed->setTitle('wallabag — ' . $type . ' feed');
1120         $feed->setLink(Tools::getPocheUrl());
1121         $feed->setChannelElement('pubDate', date(DATE_RSS , time()));
1122         $feed->setChannelElement('generator', 'wallabag');
1123         $feed->setDescription('wallabag ' . $type . ' elements');
1124
1125         if ($type == 'tag') {
1126             $entries = $this->store->retrieveEntriesByTag($tag_id, $user_id);
1127         }
1128         else {
1129             $entries = $this->store->getEntriesByView($type, $user_id);
1130         }
1131
1132         if (count($entries) > 0) {
1133             foreach ($entries as $entry) {
1134                 $newItem = $feed->createNewItem();
1135                 $newItem->setTitle($entry['title']);
1136                 $newItem->setLink(Tools::getPocheUrl() . '?view=view&amp;id=' . $entry['id']);
1137                 $newItem->setDate(time());
1138                 $newItem->setDescription($entry['content']);
1139                 $feed->addItem($newItem);
1140             }
1141         }
1142
1143         $feed->genarateFeed();
1144         exit;
1145     }
1146
1147     public function emptyCache() {
1148         $files = new RecursiveIteratorIterator(
1149             new RecursiveDirectoryIterator(CACHE, RecursiveDirectoryIterator::SKIP_DOTS),
1150             RecursiveIteratorIterator::CHILD_FIRST
1151         );
1152
1153         foreach ($files as $fileinfo) {
1154             $todo = ($fileinfo->isDir() ? 'rmdir' : 'unlink');
1155             $todo($fileinfo->getRealPath());
1156         }
1157
1158         Tools::logm('empty cache');
1159         $this->messages->add('s', _('Cache deleted.'));
1160         Tools::redirect();
1161     }
1162 }