inc/poche/Poche.class.php

   1 <?php
   2 /**
   3  * poche, a read it later open source system
   4  *
   5  * @category   poche
   6  * @author     Nicolas Lœuillet <support@inthepoche.com>
   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     # @todo make this dynamic (actually install themes and save them in the database including author information et cetera)
  27     private $installedThemes = array(
  28         'default' => array('requires' => array()),
  29         'dark' => array('requires' => array('default')),
  30         'dmagenta' => array('requires' => array('default')),
  31         'solarized' => array('requires' => array('default')),
  32         'solarized-dark' => array('requires' => array('default'))
  33     );
  34
  35     public function __construct()
  36     {
  37         if ($this->configFileIsAvailable()) {
  38             $this->init();
  39         }
  40
  41         if ($this->themeIsInstalled()) {
  42             $this->initTpl();
  43         }
  44
  45         if ($this->systemIsInstalled()) {
  46             $this->store = new Database();
  47             $this->messages = new Messages();
  48             # installation
  49             if (! $this->store->isInstalled()) {
  50                 $this->install();
  51             }
  52             $this->store->checkTags();
  53         }
  54     }
  55
  56     private function init()
  57     {
  58         Tools::initPhp();
  59         Session::$sessionName = 'poche';
  60         Session::init();
  61
  62         if (isset($_SESSION['poche_user']) && $_SESSION['poche_user'] != array()) {
  63             $this->user = $_SESSION['poche_user'];
  64         } else {
  65             # fake user, just for install & login screens
  66             $this->user = new User();
  67             $this->user->setConfig($this->getDefaultConfig());
  68         }
  69
  70         # l10n
  71         $language = $this->user->getConfigValue('language');
  72         putenv('LC_ALL=' . $language);
  73         setlocale(LC_ALL, $language);
  74         bindtextdomain($language, LOCALE);
  75         textdomain($language);
  76
  77         # Pagination
  78         $this->pagination = new Paginator($this->user->getConfigValue('pager'), 'p');
  79
  80         # Set up theme
  81         $themeDirectory = $this->user->getConfigValue('theme');
  82
  83         if ($themeDirectory === false) {
  84             $themeDirectory = DEFAULT_THEME;
  85         }
  86
  87         $this->currentTheme = $themeDirectory;
  88
  89         # Set up language
  90         $languageDirectory = $this->user->getConfigValue('language');
  91
  92         if ($languageDirectory === false) {
  93             $languageDirectory = DEFAULT_THEME;
  94         }
  95
  96         $this->currentLanguage = $languageDirectory;
  97     }
  98
  99     public function configFileIsAvailable() {
 100         if (! self::$configFileAvailable) {
 101             $this->notInstalledMessage[] = 'You have to rename inc/poche/config.inc.php.new to inc/poche/config.inc.php.';
 102
 103             return false;
 104         }
 105
 106         return true;
 107     }
 108
 109     public function themeIsInstalled() {
 110         $passTheme = TRUE;
 111         # Twig is an absolute requirement for Poche to function. Abort immediately if the Composer installer hasn't been run yet
 112         if (! self::$canRenderTemplates) {
 113             $this->notInstalledMessage[] = 'Twig does not seem to be installed. Please initialize the Composer installation to automatically fetch dependencies. Have a look at <a href="http://doc.inthepoche.com/doku.php?id=users:begin:install">the documentation.</a>';
 114             $passTheme = FALSE;
 115         }
 116
 117         if (! is_writable(CACHE)) {
 118             $this->notInstalledMessage[] = 'You don\'t have write access on cache directory.';
 119
 120             self::$canRenderTemplates = false;
 121
 122             $passTheme = FALSE;
 123         }
 124
 125         # Check if the selected theme and its requirements are present
 126         if ($this->getTheme() != '' && ! is_dir(THEME . '/' . $this->getTheme())) {
 127             $this->notInstalledMessage[] = 'The currently selected theme (' . $this->getTheme() . ') does not seem to be properly installed (Missing directory: ' . THEME . '/' . $this->getTheme() . ')';
 128
 129             self::$canRenderTemplates = false;
 130
 131             $passTheme = FALSE;
 132         }
 133
 134         foreach ($this->installedThemes[$this->getTheme()]['requires'] as $requiredTheme) {
 135             if (! is_dir(THEME . '/' . $requiredTheme)) {
 136                 $this->notInstalledMessage[] = 'The required "' . $requiredTheme . '" theme is missing for the current theme (' . $this->getTheme() . ')';
 137
 138                 self::$canRenderTemplates = false;
 139
 140                 $passTheme = FALSE;
 141             }
 142         }
 143
 144         if (!$passTheme) {
 145             return FALSE;
 146         }
 147
 148
 149         return true;
 150     }
 151
 152     /**
 153      * all checks before installation.
 154      * @todo move HTML to template
 155      * @return boolean
 156      */
 157     public function systemIsInstalled()
 158     {
 159         $msg = TRUE;
 160
 161         $configSalt = defined('SALT') ? constant('SALT') : '';
 162
 163         if (empty($configSalt)) {
 164             $this->notInstalledMessage[] = 'You have not yet filled in the SALT value in the config.inc.php file.';
 165             $msg = FALSE;
 166         }
 167         if (STORAGE == 'sqlite' && ! file_exists(STORAGE_SQLITE)) {
 168             Tools::logm('sqlite file doesn\'t exist');
 169             $this->notInstalledMessage[] = 'sqlite file doesn\'t exist, you can find it in install folder. Copy it in /db folder.';
 170             $msg = FALSE;
 171         }
 172         if (is_dir(ROOT . '/install') && ! DEBUG_POCHE) {
 173             $this->notInstalledMessage[] = 'you have to delete the /install folder before using poche.';
 174             $msg = FALSE;
 175         }
 176         if (STORAGE == 'sqlite' && ! is_writable(STORAGE_SQLITE)) {
 177             Tools::logm('you don\'t have write access on sqlite file');
 178             $this->notInstalledMessage[] = 'You don\'t have write access on sqlite file.';
 179             $msg = FALSE;
 180         }
 181
 182         if (! $msg) {
 183             return false;
 184         }
 185
 186         return true;
 187     }
 188
 189     public function getNotInstalledMessage() {
 190         return $this->notInstalledMessage;
 191     }
 192
 193     private function initTpl()
 194     {
 195         $loaderChain = new Twig_Loader_Chain();
 196
 197         # add the current theme as first to the loader chain so Twig will look there first for overridden template files
 198         try {
 199             $loaderChain->addLoader(new Twig_Loader_Filesystem(THEME . '/' . $this->getTheme()));
 200         } catch (Twig_Error_Loader $e) {
 201             # @todo isInstalled() should catch this, inject Twig later
 202             die('The currently selected theme (' . $this->getTheme() . ') does not seem to be properly installed (' . THEME . '/' . $this->getTheme() .' is missing)');
 203         }
 204
 205         # add all required themes to the loader chain
 206         foreach ($this->installedThemes[$this->getTheme()]['requires'] as $requiredTheme) {
 207             try {
 208                 $loaderChain->addLoader(new Twig_Loader_Filesystem(THEME . '/' . DEFAULT_THEME));
 209             } catch (Twig_Error_Loader $e) {
 210                 # @todo isInstalled() should catch this, inject Twig later
 211                 die('The required "' . $requiredTheme . '" theme is missing for the current theme (' . $this->getTheme() . ')');
 212             }
 213         }
 214
 215         if (DEBUG_POCHE) {
 216             $twig_params = array();
 217         } else {
 218             $twig_params = array('cache' => CACHE);
 219         }
 220
 221         $this->tpl = new Twig_Environment($loaderChain, $twig_params);
 222         $this->tpl->addExtension(new Twig_Extensions_Extension_I18n());
 223
 224         # filter to display domain name of an url
 225         $filter = new Twig_SimpleFilter('getDomain', 'Tools::getDomain');
 226         $this->tpl->addFilter($filter);
 227
 228         # filter for reading time
 229         $filter = new Twig_SimpleFilter('getReadingTime', 'Tools::getReadingTime');
 230         $this->tpl->addFilter($filter);
 231
 232         # filter for simple filenames in config view
 233         $filter = new Twig_SimpleFilter('getPrettyFilename', function($string) { return str_replace(ROOT, '', $string); });
 234         $this->tpl->addFilter($filter);
 235     }
 236
 237     private function install()
 238     {
 239         Tools::logm('poche still not installed');
 240         echo $this->tpl->render('install.twig', array(
 241             'token' => Session::getToken(),
 242             'theme' => $this->getTheme(),
 243             'poche_url' => Tools::getPocheUrl()
 244         ));
 245         if (isset($_GET['install'])) {
 246             if (($_POST['password'] == $_POST['password_repeat'])
 247                 && $_POST['password'] != "" && $_POST['login'] != "") {
 248                 # let's rock, install poche baby !
 249                 if ($this->store->install($_POST['login'], Tools::encodeString($_POST['password'] . $_POST['login'])))
 250                 {
 251                     Session::logout();
 252                     Tools::logm('poche is now installed');
 253                     Tools::redirect();
 254                 }
 255             }
 256             else {
 257                 Tools::logm('error during installation');
 258                 Tools::redirect();
 259             }
 260         }
 261         exit();
 262     }
 263
 264     public function getTheme() {
 265         return $this->currentTheme;
 266     }
 267
 268     public function getLanguage() {
 269         return $this->currentLanguage;
 270     }
 271
 272     public function getInstalledThemes() {
 273         $handle = opendir(THEME);
 274         $themes = array();
 275
 276         while (($theme = readdir($handle)) !== false) {
 277             # Themes are stored in a directory, so all directory names are themes
 278             # @todo move theme installation data to database
 279             if (! is_dir(THEME . '/' . $theme) || in_array($theme, array('..', '.'))) {
 280                 continue;
 281             }
 282
 283             $current = false;
 284
 285             if ($theme === $this->getTheme()) {
 286                 $current = true;
 287             }
 288
 289             $themes[] = array('name' => $theme, 'current' => $current);
 290         }
 291
 292         sort($themes);
 293         return $themes;
 294     }
 295
 296     public function getInstalledLanguages() {
 297         $handle = opendir(LOCALE);
 298         $languages = array();
 299
 300         while (($language = readdir($handle)) !== false) {
 301             # Languages are stored in a directory, so all directory names are languages
 302             # @todo move language installation data to database
 303             if (! is_dir(LOCALE . '/' . $language) || in_array($language, array('..', '.'))) {
 304                 continue;
 305             }
 306
 307             $current = false;
 308
 309             if ($language === $this->getLanguage()) {
 310                 $current = true;
 311             }
 312
 313             $languages[] = array('name' => $language, 'current' => $current);
 314         }
 315
 316         return $languages;
 317     }
 318
 319     public function getDefaultConfig()
 320     {
 321         return array(
 322             'pager' => PAGINATION,
 323             'language' => LANG,
 324             'theme' => DEFAULT_THEME
 325         );
 326     }
 327
 328     /**
 329      * Call action (mark as fav, archive, delete, etc.)
 330      */
 331     public function action($action, Url $url, $id = 0, $import = FALSE, $autoclose = FALSE)
 332     {
 333         switch ($action)
 334         {
 335             case 'add':
 336                 $options = array('http' => array('user_agent' => 'poche'));
 337                 $context = stream_context_create($options);
 338                 $json = file_get_contents(Tools::getPocheUrl() . '/inc/3rdparty/makefulltextfeed.php?url='.urlencode($url->getUrl()).'&max=5&links=preserve&exc=&format=json&submit=Create+Feed', false, $context);
 339                 $content = json_decode($json, true);
 340                 $title = $content['rss']['channel']['item']['title'];
 341                 $body = $content['rss']['channel']['item']['description'];
 342
 343                 if ($this->store->add($url->getUrl(), $title, $body, $this->user->getId())) {
 344                     Tools::logm('add link ' . $url->getUrl());
 345                     $sequence = '';
 346                     if (STORAGE == 'postgres') {
 347                         $sequence = 'entries_id_seq';
 348                     }
 349                     $last_id = $this->store->getLastId($sequence);
 350                     if (DOWNLOAD_PICTURES) {
 351                         $content = filtre_picture($body, $url->getUrl(), $last_id);
 352                         Tools::logm('updating content article');
 353                         $this->store->updateContent($last_id, $content, $this->user->getId());
 354                     }
 355                     if (!$import) {
 356                         $this->messages->add('s', _('the link has been added successfully'));
 357                     }
 358                 }
 359                 else {
 360                     if (!$import) {
 361                         $this->messages->add('e', _('error during insertion : the link wasn\'t added'));
 362                         Tools::logm('error during insertion : the link wasn\'t added ' . $url->getUrl());
 363                     }
 364                 }
 365
 366                 if (!$import) {
 367                     if ($autoclose == TRUE) {
 368                       Tools::redirect('?view=home');
 369                     } else {
 370                       Tools::redirect('?view=home&closewin=true');
 371                     }
 372                 }
 373                 break;
 374             case 'delete':
 375                 $msg = 'delete link #' . $id;
 376                 if ($this->store->deleteById($id, $this->user->getId())) {
 377                     if (DOWNLOAD_PICTURES) {
 378                         remove_directory(ABS_PATH . $id);
 379                     }
 380                     $this->messages->add('s', _('the link has been deleted successfully'));
 381                 }
 382                 else {
 383                     $this->messages->add('e', _('the link wasn\'t deleted'));
 384                     $msg = 'error : can\'t delete link #' . $id;
 385                 }
 386                 Tools::logm($msg);
 387                 Tools::redirect('?');
 388                 break;
 389             case 'toggle_fav' :
 390                 $this->store->favoriteById($id, $this->user->getId());
 391                 Tools::logm('mark as favorite link #' . $id);
 392                 if (!$import) {
 393                     Tools::redirect();
 394                 }
 395                 break;
 396             case 'toggle_archive' :
 397                 $this->store->archiveById($id, $this->user->getId());
 398                 Tools::logm('archive link #' . $id);
 399                 if (!$import) {
 400                     Tools::redirect();
 401                 }
 402                 break;
 403             case 'add_tag' :
 404                 $tags = explode(',', $_POST['value']);
 405                 $entry_id = $_POST['entry_id'];
 406                 foreach($tags as $key => $tag_value) {
 407                     $value = trim($tag_value);
 408                     $tag = $this->store->retrieveTagByValue($value);
 409
 410                     if (is_null($tag)) {
 411                         # we create the tag
 412                         $tag = $this->store->createTag($value);
 413                         $sequence = '';
 414                         if (STORAGE == 'postgres') {
 415                             $sequence = 'tags_id_seq';
 416                         }
 417                         $tag_id = $this->store->getLastId($sequence);
 418                     }
 419                     else {
 420                         $tag_id = $tag['id'];
 421                     }
 422
 423                     # we assign the tag to the article
 424                     $this->store->setTagToEntry($tag_id, $entry_id);
 425                 }
 426                 Tools::redirect();
 427                 break;
 428             case 'remove_tag' :
 429                 $tag_id = $_GET['tag_id'];
 430                 $this->store->removeTagForEntry($id, $tag_id);
 431                 Tools::redirect();
 432                 break;
 433             default:
 434                 break;
 435         }
 436     }
 437
 438     function displayView($view, $id = 0)
 439     {
 440         $tpl_vars = array();
 441
 442         switch ($view)
 443         {
 444             case 'config':
 445                 $dev = $this->getPocheVersion('dev');
 446                 $prod = $this->getPocheVersion('prod');
 447                 $compare_dev = version_compare(POCHE, $dev);
 448                 $compare_prod = version_compare(POCHE, $prod);
 449                 $themes = $this->getInstalledThemes();
 450                 $languages = $this->getInstalledLanguages();
 451                 $token = $this->user->getConfigValue('token');
 452                 $http_auth = (isset($_SERVER['PHP_AUTH_USER']) || isset($_SERVER['REMOTE_USER'])) ? true : false;
 453                 $tpl_vars = array(
 454                     'themes' => $themes,
 455                     'languages' => $languages,
 456                     'dev' => $dev,
 457                     'prod' => $prod,
 458                     'compare_dev' => $compare_dev,
 459                     'compare_prod' => $compare_prod,
 460                     'token' => $token,
 461                     'user_id' => $this->user->getId(),
 462                     'http_auth' => $http_auth,
 463                 );
 464                 Tools::logm('config view');
 465                 break;
 466             case 'edit-tags':
 467                 # tags
 468                 $tags = $this->store->retrieveTagsByEntry($id);
 469                 $tpl_vars = array(
 470                     'entry_id' => $id,
 471                     'tags' => $tags,
 472                 );
 473                 break;
 474             case 'tag':
 475                 $entries = $this->store->retrieveEntriesByTag($id);
 476                 $tag = $this->store->retrieveTag($id);
 477                 $tpl_vars = array(
 478                     'tag' => $tag,
 479                     'entries' => $entries,
 480                 );
 481                 break;
 482             case 'tags':
 483                 $token = $this->user->getConfigValue('token');
 484                 $tags = $this->store->retrieveAllTags();
 485                 $tpl_vars = array(
 486                     'token' => $token,
 487                     'user_id' => $this->user->getId(),
 488                     'tags' => $tags,
 489                 );
 490                 break;
 491             case 'view':
 492                 $entry = $this->store->retrieveOneById($id, $this->user->getId());
 493                 if ($entry != NULL) {
 494                     Tools::logm('view link #' . $id);
 495                     $content = $entry['content'];
 496                     if (function_exists('tidy_parse_string')) {
 497                         $tidy = tidy_parse_string($content, array('indent'=>true, 'show-body-only' => true), 'UTF8');
 498                         $tidy->cleanRepair();
 499                         $content = $tidy->value;
 500                     }
 501
 502                     # flattr checking
 503                     $flattr = new FlattrItem();
 504                     $flattr->checkItem($entry['url'], $entry['id']);
 505
 506                     # tags
 507                     $tags = $this->store->retrieveTagsByEntry($entry['id']);
 508
 509                     $tpl_vars = array(
 510                         'entry' => $entry,
 511                         'content' => $content,
 512                         'flattr' => $flattr,
 513                         'tags' => $tags
 514                     );
 515                 }
 516                 else {
 517                     Tools::logm('error in view call : entry is null');
 518                 }
 519                 break;
 520             default: # home, favorites and archive views
 521                 $entries = $this->store->getEntriesByView($view, $this->user->getId());
 522                 $tpl_vars = array(
 523                     'entries' => '',
 524                     'page_links' => '',
 525                     'nb_results' => '',
 526                 );
 527
 528                 if (count($entries) > 0) {
 529                     $this->pagination->set_total(count($entries));
 530                     $page_links = $this->pagination->page_links('?view=' . $view . '&sort=' . $_SESSION['sort'] . '&');
 531                     $datas = $this->store->getEntriesByView($view, $this->user->getId(), $this->pagination->get_limit());
 532                     $tpl_vars['entries'] = $datas;
 533                     $tpl_vars['page_links'] = $page_links;
 534                     $tpl_vars['nb_results'] = count($entries);
 535                 }
 536                 Tools::logm('display ' . $view . ' view');
 537                 break;
 538         }
 539
 540         return $tpl_vars;
 541     }
 542
 543     /**
 544      * update the password of the current user.
 545      * if MODE_DEMO is TRUE, the password can't be updated.
 546      * @todo add the return value
 547      * @todo set the new password in function header like this updatePassword($newPassword)
 548      * @return boolean
 549      */
 550     public function updatePassword()
 551     {
 552         if (MODE_DEMO) {
 553             $this->messages->add('i', _('in demo mode, you can\'t update your password'));
 554             Tools::logm('in demo mode, you can\'t do this');
 555             Tools::redirect('?view=config');
 556         }
 557         else {
 558             if (isset($_POST['password']) && isset($_POST['password_repeat'])) {
 559                 if ($_POST['password'] == $_POST['password_repeat'] && $_POST['password'] != "") {
 560                     $this->messages->add('s', _('your password has been updated'));
 561                     $this->store->updatePassword($this->user->getId(), Tools::encodeString($_POST['password'] . $this->user->getUsername()));
 562                     Session::logout();
 563                     Tools::logm('password updated');
 564                     Tools::redirect();
 565                 }
 566                 else {
 567                     $this->messages->add('e', _('the two fields have to be filled & the password must be the same in the two fields'));
 568                     Tools::redirect('?view=config');
 569                 }
 570             }
 571         }
 572     }
 573
 574     public function updateTheme()
 575     {
 576         # no data
 577         if (empty($_POST['theme'])) {
 578         }
 579
 580         # we are not going to change it to the current theme...
 581         if ($_POST['theme'] == $this->getTheme()) {
 582             $this->messages->add('w', _('still using the "' . $this->getTheme() . '" theme!'));
 583             Tools::redirect('?view=config');
 584         }
 585
 586         $themes = $this->getInstalledThemes();
 587         $actualTheme = false;
 588
 589         foreach ($themes as $theme) {
 590             if ($theme['name'] == $_POST['theme']) {
 591                 $actualTheme = true;
 592                 break;
 593             }
 594         }
 595
 596         if (! $actualTheme) {
 597             $this->messages->add('e', _('that theme does not seem to be installed'));
 598             Tools::redirect('?view=config');
 599         }
 600
 601         $this->store->updateUserConfig($this->user->getId(), 'theme', $_POST['theme']);
 602         $this->messages->add('s', _('you have changed your theme preferences'));
 603
 604         $currentConfig = $_SESSION['poche_user']->config;
 605         $currentConfig['theme'] = $_POST['theme'];
 606
 607         $_SESSION['poche_user']->setConfig($currentConfig);
 608
 609         Tools::redirect('?view=config');
 610     }
 611
 612     public function updateLanguage()
 613     {
 614         # no data
 615         if (empty($_POST['language'])) {
 616         }
 617
 618         # we are not going to change it to the current language...
 619         if ($_POST['language'] == $this->getLanguage()) {
 620             $this->messages->add('w', _('still using the "' . $this->getLanguage() . '" language!'));
 621             Tools::redirect('?view=config');
 622         }
 623
 624         $languages = $this->getInstalledLanguages();
 625         $actualLanguage = false;
 626
 627         foreach ($languages as $language) {
 628             if ($language['name'] == $_POST['language']) {
 629                 $actualLanguage = true;
 630                 break;
 631             }
 632         }
 633
 634         if (! $actualLanguage) {
 635             $this->messages->add('e', _('that language does not seem to be installed'));
 636             Tools::redirect('?view=config');
 637         }
 638
 639         $this->store->updateUserConfig($this->user->getId(), 'language', $_POST['language']);
 640         $this->messages->add('s', _('you have changed your language preferences'));
 641
 642         $currentConfig = $_SESSION['poche_user']->config;
 643         $currentConfig['language'] = $_POST['language'];
 644
 645         $_SESSION['poche_user']->setConfig($currentConfig);
 646
 647         Tools::redirect('?view=config');
 648     }
 649
 650     /**
 651      * get credentials from differents sources
 652      * it redirects the user to the $referer link
 653      * @return array
 654      */
 655     private function credentials() {
 656         if(isset($_SERVER['PHP_AUTH_USER'])) {
 657             return array($_SERVER['PHP_AUTH_USER'],'php_auth');
 658         }
 659         if(!empty($_POST['login']) && !empty($_POST['password'])) {
 660             return array($_POST['login'],$_POST['password']);
 661         }
 662         if(isset($_SERVER['REMOTE_USER'])) {
 663             return array($_SERVER['REMOTE_USER'],'http_auth');
 664         }
 665
 666         return array(false,false);
 667      }
 668
 669     /**
 670      * checks if login & password are correct and save the user in session.
 671      * it redirects the user to the $referer link
 672      * @param  string $referer the url to redirect after login
 673      * @todo add the return value
 674      * @return boolean
 675      */
 676     public function login($referer)
 677     {
 678         list($login,$password)=$this->credentials();
 679         if($login === false || $password === false) {
 680             $this->messages->add('e', _('login failed: you have to fill all fields'));
 681             Tools::logm('login failed');
 682             Tools::redirect();
 683         }
 684         if (!empty($login) && !empty($password)) {
 685             $user = $this->store->login($login, Tools::encodeString($password . $login));
 686             if ($user != array()) {
 687                 # Save login into Session
 688                 $longlastingsession = isset($_POST['longlastingsession']);
 689                 Session::login($user['username'], $user['password'], $login, Tools::encodeString($password . $login), $longlastingsession, array('poche_user' => new User($user)));
 690                 $this->messages->add('s', _('welcome to your poche'));
 691                 Tools::logm('login successful');
 692                 Tools::redirect($referer);
 693             }
 694             $this->messages->add('e', _('login failed: bad login or password'));
 695             Tools::logm('login failed');
 696             Tools::redirect();
 697         }
 698     }
 699
 700     /**
 701      * log out the poche user. It cleans the session.
 702      * @todo add the return value
 703      * @return boolean
 704      */
 705     public function logout()
 706     {
 707         $this->user = array();
 708         Session::logout();
 709         $this->messages->add('s', _('see you soon!'));
 710         Tools::logm('logout');
 711         Tools::redirect();
 712     }
 713
 714     /**
 715      * import from Instapaper. poche needs a ./instapaper-export.html file
 716      * @todo add the return value
 717      * @param string $targetFile the file used for importing
 718      * @return boolean
 719      */
 720     private function importFromInstapaper($targetFile)
 721     {
 722         # TODO gestion des articles favs
 723         $html = new simple_html_dom();
 724         $html->load_file($targetFile);
 725         Tools::logm('starting import from instapaper');
 726
 727         $read = 0;
 728         $errors = array();
 729         foreach($html->find('ol') as $ul)
 730         {
 731             foreach($ul->find('li') as $li)
 732             {
 733                 $a = $li->find('a');
 734                 $url = new Url(base64_encode($a[0]->href));
 735                 $this->action('add', $url, 0, TRUE);
 736                 if ($read == '1') {
 737                     $sequence = '';
 738                     if (STORAGE == 'postgres') {
 739                         $sequence = 'entries_id_seq';
 740                     }
 741                     $last_id = $this->store->getLastId($sequence);
 742                     $this->action('toggle_archive', $url, $last_id, TRUE);
 743                 }
 744             }
 745
 746             # the second <ol> is for read links
 747             $read = 1;
 748         }
 749         $this->messages->add('s', _('import from instapaper completed'));
 750         Tools::logm('import from instapaper completed');
 751         Tools::redirect();
 752     }
 753
 754     /**
 755      * import from Pocket. poche needs a ./ril_export.html file
 756      * @todo add the return value
 757      * @param string $targetFile the file used for importing
 758      * @return boolean
 759      */
 760     private function importFromPocket($targetFile)
 761     {
 762         # TODO gestion des articles favs
 763         $html = new simple_html_dom();
 764         $html->load_file($targetFile);
 765         Tools::logm('starting import from pocket');
 766
 767         $read = 0;
 768         $errors = array();
 769         foreach($html->find('ul') as $ul)
 770         {
 771             foreach($ul->find('li') as $li)
 772             {
 773                 $a = $li->find('a');
 774                 $url = new Url(base64_encode($a[0]->href));
 775                 $this->action('add', $url, 0, TRUE);
 776                 if ($read == '1') {
 777                         $sequence = '';
 778                         if (STORAGE == 'postgres') {
 779                             $sequence = 'entries_id_seq';
 780                         }
 781                     $last_id = $this->store->getLastId($sequence);
 782                     $this->action('toggle_archive', $url, $last_id, TRUE);
 783                 }
 784             }
 785
 786             # the second <ul> is for read links
 787             $read = 1;
 788         }
 789         $this->messages->add('s', _('import from pocket completed'));
 790         Tools::logm('import from pocket completed');
 791         Tools::redirect();
 792     }
 793
 794     /**
 795      * import from Readability. poche needs a ./readability file
 796      * @todo add the return value
 797      * @param string $targetFile the file used for importing
 798      * @return boolean
 799      */
 800     private function importFromReadability($targetFile)
 801     {
 802         # TODO gestion des articles lus / favs
 803         $str_data = file_get_contents($targetFile);
 804         $data = json_decode($str_data,true);
 805         Tools::logm('starting import from Readability');
 806         $count = 0;
 807         foreach ($data as $key => $value) {
 808             $url = NULL;
 809             $favorite = FALSE;
 810             $archive = FALSE;
 811             foreach ($value as $item) {
 812                 foreach ($item as $attr => $value) {
 813                     if ($attr == 'article__url') {
 814                         $url = new Url(base64_encode($value));
 815                     }
 816                     $sequence = '';
 817                     if (STORAGE == 'postgres') {
 818                         $sequence = 'entries_id_seq';
 819                     }
 820                     if ($value == 'true') {
 821                         if ($attr == 'favorite') {
 822                             $favorite = TRUE;
 823                         }
 824                         if ($attr == 'archive') {
 825                             $archive = TRUE;
 826                         }
 827                     }
 828                 }
 829
 830                 # we can add the url
 831                 if (!is_null($url) && $url->isCorrect()) {
 832                     $this->action('add', $url, 0, TRUE);
 833                     $count++;
 834                     if ($favorite) {
 835                         $last_id = $this->store->getLastId($sequence);
 836                         $this->action('toggle_fav', $url, $last_id, TRUE);
 837                     }
 838                     if ($archive) {
 839                         $last_id = $this->store->getLastId($sequence);
 840                         $this->action('toggle_archive', $url, $last_id, TRUE);
 841                     }
 842                 }
 843             }
 844         }
 845         $this->messages->add('s', _('import from Readability completed. ' . $count . ' new links.'));
 846         Tools::logm('import from Readability completed');
 847         Tools::redirect();
 848     }
 849
 850     /**
 851      * import from Poche exported file
 852      * @param string $targetFile the file used for importing
 853      * @return boolean
 854      */
 855     private function importFromPoche($targetFile)
 856     {
 857         $str_data = file_get_contents($targetFile);
 858         $data = json_decode($str_data,true);
 859         Tools::logm('starting import from Poche');
 860
 861
 862         $sequence = '';
 863         if (STORAGE == 'postgres') {
 864             $sequence = 'entries_id_seq';
 865         }
 866
 867         $count = 0;
 868         foreach ($data as $value) {
 869
 870             $url = new Url(base64_encode($value['url']));
 871             $favorite = ($value['is_fav'] == -1);
 872             $archive = ($value['is_read'] == -1);
 873
 874             # we can add the url
 875             if (!is_null($url) && $url->isCorrect()) {
 876
 877                 $this->action('add', $url, 0, TRUE);
 878
 879                 $count++;
 880                 if ($favorite) {
 881                     $last_id = $this->store->getLastId($sequence);
 882                     $this->action('toggle_fav', $url, $last_id, TRUE);
 883                 }
 884                 if ($archive) {
 885                     $last_id = $this->store->getLastId($sequence);
 886                     $this->action('toggle_archive', $url, $last_id, TRUE);
 887                 }
 888             }
 889
 890         }
 891         $this->messages->add('s', _('import from Poche completed. ' . $count . ' new links.'));
 892         Tools::logm('import from Poche completed');
 893         Tools::redirect();
 894     }
 895
 896     /**
 897      * import datas into your poche
 898      * @param  string $from name of the service to import : pocket, instapaper or readability
 899      * @todo add the return value
 900      * @return boolean
 901      */
 902     public function import($from)
 903     {
 904         $providers = array(
 905             'pocket' => 'importFromPocket',
 906             'readability' => 'importFromReadability',
 907             'instapaper' => 'importFromInstapaper',
 908             'poche' => 'importFromPoche',
 909         );
 910
 911         if (! isset($providers[$from])) {
 912             $this->messages->add('e', _('Unknown import provider.'));
 913             Tools::redirect();
 914         }
 915
 916         $targetDefinition = 'IMPORT_' . strtoupper($from) . '_FILE';
 917         $targetFile = constant($targetDefinition);
 918
 919         if (! defined($targetDefinition)) {
 920             $this->messages->add('e', _('Incomplete inc/poche/define.inc.php file, please define "' . $targetDefinition . '".'));
 921             Tools::redirect();
 922         }
 923
 924         if (! file_exists($targetFile)) {
 925             $this->messages->add('e', _('Could not find required "' . $targetFile . '" import file.'));
 926             Tools::redirect();
 927         }
 928
 929         $this->$providers[$from]($targetFile);
 930     }
 931
 932     /**
 933      * export poche entries in json
 934      * @return json all poche entries
 935      */
 936     public function export()
 937     {
 938         $entries = $this->store->retrieveAll($this->user->getId());
 939         echo $this->tpl->render('export.twig', array(
 940             'export' => Tools::renderJson($entries),
 941         ));
 942         Tools::logm('export view');
 943     }
 944
 945     /**
 946      * Checks online the latest version of poche and cache it
 947      * @param  string $which 'prod' or 'dev'
 948      * @return string        latest $which version
 949      */
 950     private function getPocheVersion($which = 'prod')
 951     {
 952         $cache_file = CACHE . '/' . $which;
 953
 954         # checks if the cached version file exists
 955         if (file_exists($cache_file) && (filemtime($cache_file) > (time() - 86400 ))) {
 956            $version = file_get_contents($cache_file);
 957         } else {
 958            $version = file_get_contents('http://static.inthepoche.com/versions/' . $which);
 959            file_put_contents($cache_file, $version, LOCK_EX);
 960         }
 961         return $version;
 962     }
 963
 964     public function generateToken()
 965     {
 966         if (ini_get('open_basedir') === '') {
 967             $token = substr(base64_encode(file_get_contents('/dev/urandom', false, null, 0, 20)), 0, 15);
 968         }
 969         else {
 970             $token = substr(base64_encode(uniqid(mt_rand(), true)), 0, 20);
 971         }
 972
 973         $this->store->updateUserConfig($this->user->getId(), 'token', $token);
 974         $currentConfig = $_SESSION['poche_user']->config;
 975         $currentConfig['token'] = $token;
 976         $_SESSION['poche_user']->setConfig($currentConfig);
 977     }
 978
 979     public function generateFeeds($token, $user_id, $tag_id, $type = 'home')
 980     {
 981         $allowed_types = array('home', 'fav', 'archive', 'tag');
 982         $config = $this->store->getConfigUser($user_id);
 983
 984         if (!in_array($type, $allowed_types) ||
 985             $token != $config['token']) {
 986             die(_('Uh, there is a problem while generating feeds.'));
 987         }
 988         // Check the token
 989
 990         $feed = new FeedWriter(RSS2);
 991         $feed->setTitle('poche - ' . $type . ' feed');
 992         $feed->setLink(Tools::getPocheUrl());
 993         $feed->setChannelElement('updated', date(DATE_RSS , time()));
 994         $feed->setChannelElement('author', 'poche');
 995
 996         if ($type == 'tag') {
 997             $entries = $this->store->retrieveEntriesByTag($tag_id);
 998         }
 999         else {
1000             $entries = $this->store->getEntriesByView($type, $user_id);
1001         }
1002
1003         if (count($entries) > 0) {
1004             foreach ($entries as $entry) {
1005                 $newItem = $feed->createNewItem();
1006                 $newItem->setTitle($entry['title']);
1007                 $newItem->setLink(Tools::getPocheUrl() . '?view=view&amp;id=' . $entry['id']);
1008                 $newItem->setDate(time());
1009                 $newItem->setDescription($entry['content']);
1010                 $feed->addItem($newItem);
1011             }
1012         }
1013
1014         $feed->genarateFeed();
1015         exit;
1016     }
1017 }