Merge branch 'refactor' into dev

1 files changed, 242 insertions, 704 deletions

diff --git a/inc/poche/Poche.class.php b/inc/poche/Poche.class.php
index 09a9f5ff..a49413f2 100755
--- a/inc/poche/Poche.class.php
+++ b/inc/poche/Poche.class.php
@@ -5,402 +5,126 @@
  * @category   wallabag
  * @author     Nicolas Lœuillet <nicolas@loeuillet.org>
  * @copyright  2013
- * @license    http://www.wtfpl.net/ see COPYING file
+ * @license    http://opensource.org/licenses/MIT see COPYING file
  */
 
 class Poche
 {
-    public static $canRenderTemplates = true;
-    public static $configFileAvailable = true;
-
+    /**
+     * @var User
+     */
     public $user;
+    /**
+     * @var Database
+     */
     public $store;
+    /**
+     * @var Template
+     */
     public $tpl;
+    /**
+     * @var Language
+     */
+    public $language;
+    /**
+     * @var Routing
+     */
+    public $routing;
+    /**
+     * @var Messages
+     */
     public $messages;
+    /**
+     * @var Paginator
+     */
     public $pagination;
 
-    private $currentTheme = '';
-    private $currentLanguage = '';
-    private $notInstalledMessage = array();
-
-    private $language_names = array(
-      'cs_CZ.utf8' => 'čeština',
-      'de_DE.utf8' => 'German',
-      'en_EN.utf8' => 'English',
-      'es_ES.utf8' => 'Español',
-      'fa_IR.utf8' => 'فارسی',
-      'fr_FR.utf8' => 'Français',
-      'it_IT.utf8' => 'Italiano',
-      'pl_PL.utf8' => 'Polski',
-      'pt_BR.utf8' => 'Português (Brasil)',
-      'ru_RU.utf8' => 'Pусский',
-      'sl_SI.utf8' => 'Slovenščina',
-      'uk_UA.utf8' => 'Українська',
-    );
     public function __construct()
     {
-        if ($this->configFileIsAvailable()) {
-            $this->init();
-        }
-
-        if ($this->themeIsInstalled()) {
-            $this->initTpl();
-        }
-
-        if ($this->systemIsInstalled()) {
-            $this->store = new Database();
-            $this->messages = new Messages();
-            # installation
-            if (! $this->store->isInstalled()) {
-                $this->install();
-            }
-            $this->store->checkTags();
-        }
+        $this->init();
     }
 
     private function init()
     {
         Tools::initPhp();
 
-        if (isset($_SESSION['poche_user']) && $_SESSION['poche_user'] != array()) {
-            $this->user = $_SESSION['poche_user'];
+        $pocheUser = Session::getParam('poche_user');
+
+        if ($pocheUser && $pocheUser != array()) {
+            $this->user = $pocheUser;
         } else {
-            # fake user, just for install & login screens
+            // fake user, just for install & login screens
             $this->user = new User();
             $this->user->setConfig($this->getDefaultConfig());
         }
 
-        # l10n
-        $language = $this->user->getConfigValue('language');
-        @putenv('LC_ALL=' . $language);
-        setlocale(LC_ALL, $language);
-        bindtextdomain($language, LOCALE);
-        textdomain($language);
-
-        # Pagination
-        $this->pagination = new Paginator($this->user->getConfigValue('pager'), 'p');
-
-        # Set up theme
-        $themeDirectory = $this->user->getConfigValue('theme');
-
-        if ($themeDirectory === false) {
-            $themeDirectory = DEFAULT_THEME;
-        }
-
-        $this->currentTheme = $themeDirectory;
-
-        # Set up language
-        $languageDirectory = $this->user->getConfigValue('language');
-
-        if ($languageDirectory === false) {
-            $languageDirectory = DEFAULT_THEME;
-        }
-
-        $this->currentLanguage = $languageDirectory;
-    }
-
-    public function configFileIsAvailable() {
-        if (! self::$configFileAvailable) {
-            $this->notInstalledMessage[] = 'You have to copy (don\'t just rename!) inc/poche/config.inc.default.php to inc/poche/config.inc.php.';
-
-            return false;
-        }
-
-        return true;
+        $this->pagination   = new Paginator($this->user->getConfigValue('pager'), 'p');
+        $this->language     = new Language($this);
+        $this->tpl          = new Template($this);
+        $this->store        = new Database();
+        $this->messages     = new Messages();
+        $this->routing      = new Routing($this);
     }
 
-    public function themeIsInstalled() {
-        $passTheme = TRUE;
-        # Twig is an absolute requirement for Poche to function. Abort immediately if the Composer installer hasn't been run yet
-        if (! self::$canRenderTemplates) {
-            $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.';
-            $passTheme = FALSE;
-        }
-
-        if (! is_writable(CACHE)) {
-            $this->notInstalledMessage[] = 'You don\'t have write access on cache directory.';
-
-            self::$canRenderTemplates = false;
-
-            $passTheme = FALSE;
-        }
-
-        # Check if the selected theme and its requirements are present
-        $theme = $this->getTheme();
-
-        if ($theme != '' && ! is_dir(THEME . '/' . $theme)) {
-            $this->notInstalledMessage[] = 'The currently selected theme (' . $theme . ') does not seem to be properly installed (Missing directory: ' . THEME . '/' . $theme . ')';
-
-            self::$canRenderTemplates = false;
-
-            $passTheme = FALSE;
-        }
-
-        $themeInfo = $this->getThemeInfo($theme);
-        if (isset($themeInfo['requirements']) && is_array($themeInfo['requirements'])) {
-            foreach ($themeInfo['requirements'] as $requiredTheme) {
-                if (! is_dir(THEME . '/' . $requiredTheme)) {
-                    $this->notInstalledMessage[] = 'The required "' . $requiredTheme . '" theme is missing for the current theme (' . $theme . ')';
-
-                    self::$canRenderTemplates = false;
-
-                    $passTheme = FALSE;
-                }
-            }
-        }
-
-        if (!$passTheme) {
-            return FALSE;
-        }
-
-
-        return true;
+    public function run()
+    {
+        $this->routing->run();
     }
 
     /**
-     * all checks before installation.
-     * @todo move HTML to template
-     * @return boolean
+     * Creates a new user
      */
-    public function systemIsInstalled()
-    {
-        $msg = TRUE;
-
-        $configSalt = defined('SALT') ? constant('SALT') : '';
-
-        if (empty($configSalt)) {
-            $this->notInstalledMessage[] = 'You have not yet filled in the SALT value in the config.inc.php file.';
-            $msg = FALSE;
-        }
-        if (STORAGE == 'sqlite' && ! file_exists(STORAGE_SQLITE)) {
-            Tools::logm('sqlite file doesn\'t exist');
-            $this->notInstalledMessage[] = 'sqlite file doesn\'t exist, you can find it in install folder. Copy it in /db folder.';
-            $msg = FALSE;
-        }
-        if (is_dir(ROOT . '/install') && ! DEBUG_POCHE) {
-            $this->notInstalledMessage[] = 'you have to delete the /install folder before using poche.';
-            $msg = FALSE;
-        }
-        if (STORAGE == 'sqlite' && ! is_writable(STORAGE_SQLITE)) {
-            Tools::logm('you don\'t have write access on sqlite file');
-            $this->notInstalledMessage[] = 'You don\'t have write access on sqlite file.';
-            $msg = FALSE;
-        }
-
-        if (! $msg) {
-            return false;
-        }
-
-        return true;
-    }
-
-    public function getNotInstalledMessage() {
-        return $this->notInstalledMessage;
-    }
-
-    private function initTpl()
+    public function createNewUser($username, $password)
     {
-        $loaderChain = new Twig_Loader_Chain();
-        $theme = $this->getTheme();
-
-        # add the current theme as first to the loader chain so Twig will look there first for overridden template files
-        try {
-            $loaderChain->addLoader(new Twig_Loader_Filesystem(THEME . '/' . $theme));
-        } catch (Twig_Error_Loader $e) {
-            # @todo isInstalled() should catch this, inject Twig later
-            die('The currently selected theme (' . $theme . ') does not seem to be properly installed (' . THEME . '/' . $theme .' is missing)');
-        }
-
-        # add all required themes to the loader chain
-        $themeInfo = $this->getThemeInfo($theme);
-        if (isset($themeInfo['requirements']) && is_array($themeInfo['requirements'])) {
-            foreach ($themeInfo['requirements'] as $requiredTheme) {
-                try {
-                    $loaderChain->addLoader(new Twig_Loader_Filesystem(THEME . '/' . $requiredTheme));
-                } catch (Twig_Error_Loader $e) {
-                    # @todo isInstalled() should catch this, inject Twig later
-                    die('The required "' . $requiredTheme . '" theme is missing for the current theme (' . $theme . ')');
-                }
-            }
-        }
-
-        if (DEBUG_POCHE) {
-            $twigParams = array();
-        } else {
-            $twigParams = array('cache' => CACHE);
-        }
-
-        $this->tpl = new Twig_Environment($loaderChain, $twigParams);
-        $this->tpl->addExtension(new Twig_Extensions_Extension_I18n());
-
-        # filter to display domain name of an url
-        $filter = new Twig_SimpleFilter('getDomain', 'Tools::getDomain');
-        $this->tpl->addFilter($filter);
-
-        # filter for reading time
-        $filter = new Twig_SimpleFilter('getReadingTime', 'Tools::getReadingTime');
-        $this->tpl->addFilter($filter);
-    }
-
-    public function createNewUser() {
-        if (isset($_GET['newuser'])){
-            if ($_POST['newusername'] != "" && $_POST['password4newuser'] != ""){
-                $newusername = filter_var($_POST['newusername'], FILTER_SANITIZE_STRING);
-                if (!$this->store->userExists($newusername)){
-                    if ($this->store->install($newusername, Tools::encodeString($_POST['password4newuser'] . $newusername))) {
-                        Tools::logm('The new user '.$newusername.' has been installed');
-                        $this->messages->add('s', sprintf(_('The new user %s has been installed. Do you want to <a href="?logout">logout ?</a>'),$newusername));
-                        Tools::redirect();
-                    }
-                    else {
-                        Tools::logm('error during adding new user');
-                        Tools::redirect();
-                    }
-                }
-                else {
-                    $this->messages->add('e', sprintf(_('Error : An user with the name %s already exists !'),$newusername));
-                    Tools::logm('An user with the name '.$newusername.' already exists !');
+        if (!empty($username) && !empty($password)){
+            $newUsername = filter_var($username, FILTER_SANITIZE_STRING);
+            if (!$this->store->userExists($newUsername)){
+                if ($this->store->install($newUsername, Tools::encodeString($password . $newUsername))) {
+                    Tools::logm('The new user ' . $newUsername . ' has been installed');
+                    $this->messages->add('s', sprintf(_('The new user %s has been installed. Do you want to <a href="?logout">logout ?</a>'), $newUsername));
                     Tools::redirect();
                 }
-            }
-        }
-    }
-
-    public function deleteUser(){
-        if (isset($_GET['deluser'])){
-            if ($this->store->listUsers() > 1) {
-                if (Tools::encodeString($_POST['password4deletinguser'].$this->user->getUsername()) == $this->store->getUserPassword($this->user->getId())) {
-                    $username = $this->user->getUsername();
-                    $this->store->deleteUserConfig($this->user->getId());
-                    Tools::logm('The configuration for user '. $username .' has been deleted !');
-                    $this->store->deleteTagsEntriesAndEntries($this->user->getId());
-                    Tools::logm('The entries for user '. $username .' has been deleted !');
-                    $this->store->deleteUser($this->user->getId());
-                    Tools::logm('User '. $username .' has been completely deleted !');
-                    Session::logout();
-                    Tools::logm('logout');
-                    Tools::redirect();
-                    $this->messages->add('s', sprintf(_('User %s has been successfully deleted !'),$newusername));
-                }
                 else {
-                    Tools::logm('Bad password !');
-                    $this->messages->add('e', _('Error : The password is wrong !'));
-                }
-            }
-            else {
-                Tools::logm('Only user !');
-                $this->messages->add('e', _('Error : You are the only user, you cannot delete your account !'));
-            }
-        }
-    }
-
-    private function install()
-    {
-        Tools::logm('poche still not installed');
-        echo $this->tpl->render('install.twig', array(
-            'token' => Session::getToken(),
-            'theme' => $this->getTheme(),
-            'poche_url' => Tools::getPocheUrl()
-        ));
-        if (isset($_GET['install'])) {
-            if (($_POST['password'] == $_POST['password_repeat'])
-                && $_POST['password'] != "" && $_POST['login'] != "") {
-                # let's rock, install poche baby !
-                if ($this->store->install($_POST['login'], Tools::encodeString($_POST['password'] . $_POST['login'])))
-                {
-                    Session::logout();
-                    Tools::logm('poche is now installed');
+                    Tools::logm('error during adding new user');
                     Tools::redirect();
                 }
             }
             else {
-                Tools::logm('error during installation');
+                $this->messages->add('e', sprintf(_('Error : An user with the name %s already exists !'), $newUsername));
+                Tools::logm('An user with the name ' . $newUsername . ' already exists !');
                 Tools::redirect();
             }
         }
-        exit();
-    }
-
-    public function getTheme() {
-        return $this->currentTheme;
     }
 
     /**
-     * Provides theme information by parsing theme.ini file if present in the theme's root directory.
-     * In all cases, the following data will be returned:
-     * - name: theme's name, or key if the theme is unnamed,
-     * - current: boolean informing if the theme is the current user theme.
-     *
-     * @param string $theme Theme key (directory name)
-     * @return array|boolean Theme information, or false if the theme doesn't exist.
+     * Delete an existing user
      */
-    public function getThemeInfo($theme) {
-        if (!is_dir(THEME . '/' . $theme)) {
-            return false;
-        }
-
-        $themeIniFile = THEME . '/' . $theme . '/theme.ini';
-        $themeInfo = array();
-
-        if (is_file($themeIniFile) && is_readable($themeIniFile)) {
-            $themeInfo = parse_ini_file($themeIniFile);
-        }
-
-        if ($themeInfo === false) {
-            $themeInfo = array();
-        }
-        if (!isset($themeInfo['name'])) {
-            $themeInfo['name'] = $theme;
-        }
-        $themeInfo['current'] = ($theme === $this->getTheme());
-
-        return $themeInfo;
-    }
-
-    public function getInstalledThemes() {
-        $handle = opendir(THEME);
-        $themes = array();
-
-        while (($theme = readdir($handle)) !== false) {
-            # Themes are stored in a directory, so all directory names are themes
-            # @todo move theme installation data to database
-            if (!is_dir(THEME . '/' . $theme) || in_array($theme, array('.', '..'))) {
-                continue;
-            }
-
-            $themes[$theme] = $this->getThemeInfo($theme);
-        }
-
-        ksort($themes);
-
-        return $themes;
-    }
-
-    public function getLanguage() {
-        return $this->currentLanguage;
-    }
-
-    public function getInstalledLanguages() {
-        $handle = opendir(LOCALE);
-        $languages = array();
-
-        while (($language = readdir($handle)) !== false) {
-            # Languages are stored in a directory, so all directory names are languages
-            # @todo move language installation data to database
-            if (! is_dir(LOCALE . '/' . $language) || in_array($language, array('..', '.', 'tools'))) {
-                continue;
+    public function deleteUser($password)
+    {
+        if ($this->store->listUsers() > 1) {
+            if (Tools::encodeString($password . $this->user->getUsername()) == $this->store->getUserPassword($this->user->getId())) {
+                $username = $this->user->getUsername();
+                $this->store->deleteUserConfig($this->user->getId());
+                Tools::logm('The configuration for user '. $username .' has been deleted !');
+                $this->store->deleteTagsEntriesAndEntries($this->user->getId());
+                Tools::logm('The entries for user '. $username .' has been deleted !');
+                $this->store->deleteUser($this->user->getId());
+                Tools::logm('User '. $username .' has been completely deleted !');
+                Session::logout();
+                Tools::logm('logout');
+                Tools::redirect();
+                $this->messages->add('s', sprintf(_('User %s has been successfully deleted !'), $username));
             }
-
-            $current = false;
-
-            if ($language === $this->getLanguage()) {
-                $current = true;
+            else {
+                Tools::logm('Bad password !');
+                $this->messages->add('e', _('Error : The password is wrong !'));
             }
-
-            $languages[] = array('name' => (isset($this->language_names[$language]) ? $this->language_names[$language] : $language), 'value' => $language, 'current' => $current);
         }
-
-        return $languages;
+        else {
+            Tools::logm('Only user !');
+            $this->messages->add('e', _('Error : You are the only user, you cannot delete your account !'));
+        }
     }
 
     public function getDefaultConfig()
@@ -425,7 +149,7 @@ class Poche
                 $body = $content['rss']['channel']['item']['description'];
 
                 // clean content from prevent xss attack
-                $purifier = $this->getPurifier();
+                $purifier = $this->_getPurifier();
                 $title = $purifier->purify($title);
                 $body = $purifier->purify($body);
 
@@ -437,7 +161,7 @@ class Poche
                 if ( $last_id ) {
                     Tools::logm('add link ' . $url->getUrl());
                     if (DOWNLOAD_PICTURES) {
-                        $content = filtre_picture($body, $url->getUrl(), $last_id);
+                        $content = Picture::filterPicture($body, $url->getUrl(), $last_id);
                         Tools::logm('updating content article');
                         $this->store->updateContent($last_id, $content, $this->user->getId());
                     }
@@ -472,7 +196,7 @@ class Poche
                 $msg = 'delete link #' . $id;
                 if ($this->store->deleteById($id, $this->user->getId())) {
                     if (DOWNLOAD_PICTURES) {
-                        remove_directory(ABS_PATH . $id);
+                        Picture::removeDirectory(ABS_PATH . $id);
                     }
                     $this->messages->add('s', _('the link has been deleted successfully'));
                 }
@@ -590,16 +314,16 @@ class Poche
         switch ($view)
         {
             case 'config':
-                $dev_infos = $this->getPocheVersion('dev');
+                $dev_infos = $this->_getPocheVersion('dev');
                 $dev = trim($dev_infos[0]);
                 $check_time_dev = date('d-M-Y H:i', $dev_infos[1]);
-                $prod_infos = $this->getPocheVersion('prod');
+                $prod_infos = $this->_getPocheVersion('prod');
                 $prod = trim($prod_infos[0]);
                 $check_time_prod = date('d-M-Y H:i', $prod_infos[1]);
                 $compare_dev = version_compare(POCHE, $dev);
                 $compare_prod = version_compare(POCHE, $prod);
-                $themes = $this->getInstalledThemes();
-                $languages = $this->getInstalledLanguages();
+                $themes = $this->tpl->getInstalledThemes();
+                $languages = $this->language->getInstalledLanguages();
                 $token = $this->user->getConfigValue('token');
                 $http_auth = (isset($_SERVER['PHP_AUTH_USER']) || isset($_SERVER['REMOTE_USER'])) ? true : false;
                 $only_user = ($this->store->listUsers() > 1) ? false : true;
@@ -703,7 +427,7 @@ class Poche
                     'listmode' => (isset($_COOKIE['listmode']) ? true : false),
                 );
 
-                //if id is given - we retrive entries by tag: id is tag id
+                //if id is given - we retrieve entries by tag: id is tag id
                 if ($id) {
                   $tpl_vars['tag'] = $this->store->retrieveTag($id, $this->user->getId());
                   $tpl_vars['id'] = intval($id);
@@ -733,7 +457,7 @@ class Poche
      * @todo set the new password in function header like this updatePassword($newPassword)
      * @return boolean
      */
-    public function updatePassword()
+    public function updatePassword($password, $confirmPassword)
     {
         if (MODE_DEMO) {
             $this->messages->add('i', _('in demo mode, you can\'t update your password'));
@@ -741,10 +465,10 @@ class Poche
             Tools::redirect('?view=config');
         }
         else {
-            if (isset($_POST['password']) && isset($_POST['password_repeat'])) {
-                if ($_POST['password'] == $_POST['password_repeat'] && $_POST['password'] != "") {
+            if (isset($password) && isset($confirmPassword)) {
+                if ($password == $confirmPassword && !empty($password)) {
                     $this->messages->add('s', _('your password has been updated'));
-                    $this->store->updatePassword($this->user->getId(), Tools::encodeString($_POST['password'] . $this->user->getUsername()));
+                    $this->store->updatePassword($this->user->getId(), Tools::encodeString($password . $this->user->getUsername()));
                     Session::logout();
                     Tools::logm('password updated');
                     Tools::redirect();
@@ -757,102 +481,25 @@ class Poche
         }
     }
 
-    public function updateTheme()
-    {
-        # no data
-        if (empty($_POST['theme'])) {
-        }
-
-        # we are not going to change it to the current theme...
-        if ($_POST['theme'] == $this->getTheme()) {
-            $this->messages->add('w', _('still using the "' . $this->getTheme() . '" theme!'));
-            Tools::redirect('?view=config');
-        }
-
-        $themes = $this->getInstalledThemes();
-        $actualTheme = false;
-
-        foreach (array_keys($themes) as $theme) {
-            if ($theme == $_POST['theme']) {
-                $actualTheme = true;
-                break;
-            }
-        }
-
-        if (! $actualTheme) {
-            $this->messages->add('e', _('that theme does not seem to be installed'));
-            Tools::redirect('?view=config');
-        }
-
-        $this->store->updateUserConfig($this->user->getId(), 'theme', $_POST['theme']);
-        $this->messages->add('s', _('you have changed your theme preferences'));
-
-        $currentConfig = $_SESSION['poche_user']->config;
-        $currentConfig['theme'] = $_POST['theme'];
-
-        $_SESSION['poche_user']->setConfig($currentConfig);
-
-        $this->emptyCache();
-
-        Tools::redirect('?view=config');
-    }
-
-    public function updateLanguage()
-    {
-        # no data
-        if (empty($_POST['language'])) {
-        }
-
-        # we are not going to change it to the current language...
-        if ($_POST['language'] == $this->getLanguage()) {
-            $this->messages->add('w', _('still using the "' . $this->getLanguage() . '" language!'));
-            Tools::redirect('?view=config');
-        }
-
-        $languages = $this->getInstalledLanguages();
-        $actualLanguage = false;
-
-        foreach ($languages as $language) {
-            if ($language['value'] == $_POST['language']) {
-                $actualLanguage = true;
-                break;
-            }
-        }
-
-        if (! $actualLanguage) {
-            $this->messages->add('e', _('that language does not seem to be installed'));
-            Tools::redirect('?view=config');
-        }
-
-        $this->store->updateUserConfig($this->user->getId(), 'language', $_POST['language']);
-        $this->messages->add('s', _('you have changed your language preferences'));
-
-        $currentConfig = $_SESSION['poche_user']->config;
-        $currentConfig['language'] = $_POST['language'];
-
-        $_SESSION['poche_user']->setConfig($currentConfig);
-
-        $this->emptyCache();
-
-        Tools::redirect('?view=config');
-    }
     /**
-     * get credentials from differents sources
-     * it redirects the user to the $referer link
+     * Get credentials from differents sources
+     * It redirects the user to the $referer link
+     *
      * @return array
      */
-    private function credentials() {
-        if(isset($_SERVER['PHP_AUTH_USER'])) {
-            return array($_SERVER['PHP_AUTH_USER'],'php_auth',true);
+    private function credentials()
+    {
+        if (isset($_SERVER['PHP_AUTH_USER'])) {
+            return array($_SERVER['PHP_AUTH_USER'], 'php_auth', true);
         }
-        if(!empty($_POST['login']) && !empty($_POST['password'])) {
-            return array($_POST['login'],$_POST['password'],false);
+        if (!empty($_POST['login']) && !empty($_POST['password'])) {
+            return array($_POST['login'], $_POST['password'], false);
         }
-        if(isset($_SERVER['REMOTE_USER'])) {
-            return array($_SERVER['REMOTE_USER'],'http_auth',true);
+        if (isset($_SERVER['REMOTE_USER'])) {
+            return array($_SERVER['REMOTE_USER'], 'http_auth', true);
         }
 
-        return array(false,false,false);
+        return array(false, false, false);
     }
 
     /**
@@ -901,129 +548,148 @@ class Poche
     }
 
     /**
-     * import datas into your poche
+     * import datas into your wallabag
      * @return boolean
      */
-    public function import() {
-
-      if ( isset($_FILES['file']) ) {
-        Tools::logm('Import stated: parsing file');
-
-        // assume, that file is in json format
-        $str_data = file_get_contents($_FILES['file']['tmp_name']);
-        $data = json_decode($str_data, true);
-
-        if ( $data === null ) {
-          //not json - assume html
-          $html = new simple_html_dom();
-          $html->load_file($_FILES['file']['tmp_name']);
-          $data = array();
-          $read = 0;
-          foreach (array('ol','ul') as $list) {
-            foreach ($html->find($list) as $ul) {
-              foreach ($ul->find('li') as $li) {
-                $tmpEntry = array();
-                  $a = $li->find('a');
-                  $tmpEntry['url'] = $a[0]->href;
-                  $tmpEntry['tags'] = $a[0]->tags;
-                  $tmpEntry['is_read'] = $read;
-                  if ($tmpEntry['url']) {
-                    $data[] = $tmpEntry;
-                  }
-              }
-              # the second <ol/ul> is for read links
-              $read = ((sizeof($data) && $read)?0:1);
+    public function import()
+    {
+        if (isset($_FILES['file'])) {
+            Tools::logm('Import stated: parsing file');
+
+            // assume, that file is in json format
+
+            $str_data = file_get_contents($_FILES['file']['tmp_name']);
+            $data = json_decode($str_data, true);
+            if ($data === null) {
+
+                // not json - assume html
+
+                $html = new simple_html_dom();
+                $html->load_file($_FILES['file']['tmp_name']);
+                $data = array();
+                $read = 0;
+                foreach(array('ol','ul') as $list) {
+                    foreach($html->find($list) as $ul) {
+                        foreach($ul->find('li') as $li) {
+                            $tmpEntry = array();
+                            $a = $li->find('a');
+                            $tmpEntry['url'] = $a[0]->href;
+                            $tmpEntry['tags'] = $a[0]->tags;
+                            $tmpEntry['is_read'] = $read;
+                            if ($tmpEntry['url']) {
+                                $data[] = $tmpEntry;
+                            }
+                        }
+
+                        // the second <ol/ul> is for read links
+
+                        $read = ((sizeof($data) && $read) ? 0 : 1);
+                    }
+                }
             }
-          }
-        }
 
-        //for readability structure
-        foreach ($data as $record) {
-          if (is_array($record)) {
-            $data[] = $record;
-            foreach ($record as $record2) {
-              if (is_array($record2)) {
-                $data[] = $record2;
-              }
+            // for readability structure
+
+            foreach($data as $record) {
+                if (is_array($record)) {
+                    $data[] = $record;
+                    foreach($record as $record2) {
+                        if (is_array($record2)) {
+                            $data[] = $record2;
+                        }
+                    }
+                }
+            }
+
+            $urlsInserted = array(); //urls of articles inserted
+            foreach($data as $record) {
+                $url = trim(isset($record['article__url']) ? $record['article__url'] : (isset($record['url']) ? $record['url'] : ''));
+                if ($url and !in_array($url, $urlsInserted)) {
+                    $title = (isset($record['title']) ? $record['title'] : _('Untitled - Import - ') . '</a> <a href="./?import">' . _('click to finish import') . '</a><a>');
+                    $body = (isset($record['content']) ? $record['content'] : '');
+                    $isRead = (isset($record['is_read']) ? intval($record['is_read']) : (isset($record['archive']) ? intval($record['archive']) : 0));
+                    $isFavorite = (isset($record['is_fav']) ? intval($record['is_fav']) : (isset($record['favorite']) ? intval($record['favorite']) : 0));
+
+                    // insert new record
+
+                    $id = $this->store->add($url, $title, $body, $this->user->getId() , $isFavorite, $isRead);
+                    if ($id) {
+                        $urlsInserted[] = $url; //add
+                        if (isset($record['tags']) && trim($record['tags'])) {
+
+                            // @TODO: set tags
+
+                        }
+                    }
+                }
             }
-          }
-        }
 
-        $urlsInserted = array(); //urls of articles inserted
-        foreach ($data as $record) {
-          $url = trim( isset($record['article__url']) ? $record['article__url'] : (isset($record['url']) ? $record['url'] : '') );
-          if ( $url and !in_array($url, $urlsInserted) ) {
-            $title = (isset($record['title']) ? $record['title'] :  _('Untitled - Import - ').'</a> <a href="./?import">'._('click to finish import').'</a><a>');
-            $body = (isset($record['content']) ? $record['content'] : '');
-            $isRead = (isset($record['is_read']) ? intval($record['is_read']) : (isset($record['archive'])?intval($record['archive']):0));
-            $isFavorite = (isset($record['is_fav']) ? intval($record['is_fav']) : (isset($record['favorite'])?intval($record['favorite']):0) );
-            //insert new record
-            $id = $this->store->add($url, $title, $body, $this->user->getId(), $isFavorite, $isRead);
-            if ( $id ) {
-              $urlsInserted[] = $url; //add
-
-              if ( isset($record['tags']) && trim($record['tags']) ) {
-                //@TODO: set tags
-
-              }
+            $i = sizeof($urlsInserted);
+            if ($i > 0) {
+                $this->messages->add('s', _('Articles inserted: ') . $i . _('. Please note, that some may be marked as "read".'));
             }
-          }
-        }
 
-        $i = sizeof($urlsInserted);
-        if ( $i > 0 ) {
-          $this->messages->add('s', _('Articles inserted: ').$i._('. Please note, that some may be marked as "read".'));
+            Tools::logm('Import of articles finished: ' . $i . ' articles added (w/o content if not provided).');
         }
-        Tools::logm('Import of articles finished: '.$i.' articles added (w/o content if not provided).');
-      }
-      //file parsing finished here
 
-      //now download article contents if any
+        // file parsing finished here
+        // now download article contents if any
+        // check if we need to download any content
 
-      //check if we need to download any content
-      $recordsDownloadRequired = $this->store->retrieveUnfetchedEntriesCount($this->user->getId());
-      if ( $recordsDownloadRequired == 0 ) {
-        //nothing to download
-        $this->messages->add('s', _('Import finished.'));
-        Tools::logm('Import finished completely');
-        Tools::redirect();
-      }
-      else {
-        //if just inserted - don't download anything, download will start in next reload
-        if ( !isset($_FILES['file']) ) {
-          //download next batch
-          Tools::logm('Fetching next batch of articles...');
-          $items = $this->store->retrieveUnfetchedEntries($this->user->getId(), IMPORT_LIMIT);
+        $recordsDownloadRequired = $this->store->retrieveUnfetchedEntriesCount($this->user->getId());
 
-          $purifier = $this->getPurifier();
+        if ($recordsDownloadRequired == 0) {
 
-          foreach ($items as $item) {
-            $url = new Url(base64_encode($item['url']));
-            Tools::logm('Fetching article '.$item['id']);
-            $content = Tools::getPageContent($url);
+            // nothing to download
 
-            $title = (($content['rss']['channel']['item']['title'] != '') ? $content['rss']['channel']['item']['title'] : _('Untitled'));
-            $body = (($content['rss']['channel']['item']['description'] != '') ? $content['rss']['channel']['item']['description'] : _('Undefined'));
+            $this->messages->add('s', _('Import finished.'));
+            Tools::logm('Import finished completely');
+            Tools::redirect();
+        }
+        else {
+
+            // if just inserted - don't download anything, download will start in next reload
+
+            if (!isset($_FILES['file'])) {
 
-            //clean content to prevent xss attack
-            $title = $purifier->purify($title);
-            $body = $purifier->purify($body);
+                // download next batch
 
-            $this->store->updateContentAndTitle($item['id'], $title, $body, $this->user->getId());
-            Tools::logm('Article '.$item['id'].' updated.');
-          }
+                Tools::logm('Fetching next batch of articles...');
+                $items = $this->store->retrieveUnfetchedEntries($this->user->getId() , IMPORT_LIMIT);
+                $purifier = $this->_getPurifier();
+                foreach($items as $item) {
+                    $url = new Url(base64_encode($item['url']));
+                    Tools::logm('Fetching article ' . $item['id']);
+                    $content = Tools::getPageContent($url);
+                    $title = (($content['rss']['channel']['item']['title'] != '') ? $content['rss']['channel']['item']['title'] : _('Untitled'));
+                    $body = (($content['rss']['channel']['item']['description'] != '') ? $content['rss']['channel']['item']['description'] : _('Undefined'));
 
+                    // clean content to prevent xss attack
+
+                    $title = $purifier->purify($title);
+                    $body = $purifier->purify($body);
+                    $this->store->updateContentAndTitle($item['id'], $title, $body, $this->user->getId());
+                    Tools::logm('Article ' . $item['id'] . ' updated.');
+                }
+            }
         }
-      }
 
-      return array('includeImport'=>true, 'import'=>array('recordsDownloadRequired'=>$recordsDownloadRequired, 'recordsUnderDownload'=> IMPORT_LIMIT, 'delay'=> IMPORT_DELAY * 1000) );
+        return array(
+            'includeImport' => true,
+            'import' => array(
+                'recordsDownloadRequired' => $recordsDownloadRequired,
+                'recordsUnderDownload' => IMPORT_LIMIT,
+                'delay' => IMPORT_DELAY * 1000
+            )
+        );
     }
 
     /**
      * export poche entries in json
      * @return json all poche entries
      */
-    public function export() {
+    public function export()
+    {
       $filename = "wallabag-export-".$this->user->getId()."-".date("Y-m-d").".json";
       header('Content-Disposition: attachment; filename='.$filename);
 
@@ -1039,7 +705,7 @@ class Poche
      * @param  string $which 'prod' or 'dev'
      * @return string        latest $which version
      */
-    private function getPocheVersion($which = 'prod') {
+    private function _getPocheVersion($which = 'prod') {
       $cache_file = CACHE . '/' . $which;
       $check_time = time();
 
@@ -1054,29 +720,27 @@ class Poche
       return array($version, $check_time);
     }
 
-    public function generateToken()
+    /**
+     * Update token for current user
+     */
+    public function updateToken()
     {
-      if (ini_get('open_basedir') === '') {
-        if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
-          echo 'This is a server using Windows!';
-          // alternative to /dev/urandom for Windows
-          $token = substr(base64_encode(uniqid(mt_rand(), true)), 0, 20);
-        } else {
-          $token = substr(base64_encode(file_get_contents('/dev/urandom', false, null, 0, 20)), 0, 15);
-        }
-      }
-      else {
-        $token = substr(base64_encode(uniqid(mt_rand(), true)), 0, 20);
-      }
-
-      $token = str_replace('+', '', $token);
-      $this->store->updateUserConfig($this->user->getId(), 'token', $token);
-      $currentConfig = $_SESSION['poche_user']->config;
-      $currentConfig['token'] = $token;
-      $_SESSION['poche_user']->setConfig($currentConfig);
-      Tools::redirect();
+        $token = Tools::generateToken();
+        $this->store->updateUserConfig($this->user->getId(), 'token', $token);
+        $currentConfig = $_SESSION['poche_user']->config;
+        $currentConfig['token'] = $token;
+        $_SESSION['poche_user']->setConfig($currentConfig);
+        Tools::redirect();
     }
 
+    /**
+     * Generate RSS feeds for current user
+     *
+     * @param $token
+     * @param $user_id
+     * @param $tag_id
+     * @param string $type
+     */
     public function generateFeeds($token, $user_id, $tag_id, $type = 'home')
     {
         $allowed_types = array('home', 'fav', 'archive', 'tag');
@@ -1089,7 +753,6 @@ class Poche
         if (!in_array($type, $allowed_types) || $token != $config['token']) {
             die(_('Uh, there is a problem while generating feeds.'));
         }
-        // Check the token
 
         $feed = new FeedWriter(RSS2);
         $feed->setTitle('wallabag — ' . $type . ' feed');
@@ -1121,147 +784,22 @@ class Poche
         exit;
     }
 
-    public function emptyCache() {
-        $files = new RecursiveIteratorIterator(
-            new RecursiveDirectoryIterator(CACHE, RecursiveDirectoryIterator::SKIP_DOTS),
-            RecursiveIteratorIterator::CHILD_FIRST
-        );
-
-        foreach ($files as $fileinfo) {
-            $todo = ($fileinfo->isDir() ? 'rmdir' : 'unlink');
-            $todo($fileinfo->getRealPath());
-        }
 
-        Tools::logm('empty cache');
-        $this->messages->add('s', _('Cache deleted.'));
-        Tools::redirect();
-    }
 
     /**
-     * return new purifier object with actual config
+     * Returns new purifier object with actual config
      */
-    protected function getPurifier() {
-      $config = HTMLPurifier_Config::createDefault();
-      $config->set('Cache.SerializerPath', CACHE);
-      $config->set('HTML.SafeIframe', true);
+    private function _getPurifier()
+    {
+        $config = HTMLPurifier_Config::createDefault();
+        $config->set('Cache.SerializerPath', CACHE);
+        $config->set('HTML.SafeIframe', true);
 
-      //allow YouTube, Vimeo and dailymotion videos
-      $config->set('URI.SafeIframeRegexp', '%^(https?:)?//(www\.youtube(?:-nocookie)?\.com/embed/|player\.vimeo\.com/video/|www\.dailymotion\.com/embed/video/)%');
+        //allow YouTube, Vimeo and dailymotion videos
+        $config->set('URI.SafeIframeRegexp', '%^(https?:)?//(www\.youtube(?:-nocookie)?\.com/embed/|player\.vimeo\.com/video/|www\.dailymotion\.com/embed/video/)%');
 
-      return new HTMLPurifier($config);
+        return new HTMLPurifier($config);
     }
 
-    /**
-     * handle epub
-     */
-    public function createEpub() {
-
-        switch ($_GET['method']) {
-            case 'id':
-                $entryID = filter_var($_GET['id'],FILTER_SANITIZE_NUMBER_INT);
-                $entry = $this->store->retrieveOneById($entryID, $this->user->getId());
-                $entries = array($entry);
-                $bookTitle = $entry['title'];
-                $bookFileName = substr($bookTitle, 0, 200);
-                break;
-            case 'all':
-                $entries = $this->store->retrieveAll($this->user->getId());
-                $bookTitle = sprintf(_('All my articles on '), date(_('d.m.y'))); #translatable because each country has it's own date format system
-                $bookFileName = _('Allarticles') . date(_('dmY'));
-                break;
-            case 'tag':
-                $tag = filter_var($_GET['tag'],FILTER_SANITIZE_STRING);
-                $tags_id = $this->store->retrieveAllTags($this->user->getId(),$tag);
-                $tag_id = $tags_id[0]["id"]; // we take the first result, which is supposed to match perfectly. There must be a workaround.
-                $entries = $this->store->retrieveEntriesByTag($tag_id,$this->user->getId());
-                $bookTitle = sprintf(_('Articles tagged %s'),$tag);
-                $bookFileName = substr(sprintf(_('Tag %s'),$tag), 0, 200);
-                break;
-            case 'category':
-                $category = filter_var($_GET['category'],FILTER_SANITIZE_STRING);
-                $entries = $this->store->getEntriesByView($category,$this->user->getId());
-                $bookTitle = sprintf(_('All articles in category %s'), $category);
-                $bookFileName = substr(sprintf(_('Category %s'),$category), 0, 200);
-                break;
-            case 'search':
-                $search = filter_var($_GET['search'],FILTER_SANITIZE_STRING);
-                $entries = $this->store->search($search,$this->user->getId());
-                $bookTitle = sprintf(_('All articles for search %s'), $search);
-                $bookFileName = substr(sprintf(_('Search %s'), $search), 0, 200);
-                break;
-            case 'default':
-                die(_('Uh, there is a problem while generating epub.'));
-
-        }
-
-        $content_start =
-        "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
-        . "<html xmlns=\"http://www.w3.org/1999/xhtml\" xmlns:epub=\"http://www.idpf.org/2007/ops\">\n"
-        . "<head>"
-        . "<meta http-equiv=\"Default-Style\" content=\"text/html; charset=utf-8\" />\n"
-        . "<title>wallabag articles book</title>\n"
-        . "</head>\n"
-        . "<body>\n";
-
-        $bookEnd = "</body>\n</html>\n";
 
-        $log = new Logger("wallabag", TRUE);
-        $fileDir = CACHE;
-        
-        $book = new EPub(EPub::BOOK_VERSION_EPUB3, DEBUG_POCHE);
-        $log->logLine("new EPub()");
-        $log->logLine("EPub class version: " . EPub::VERSION);
-        $log->logLine("EPub Req. Zip version: " . EPub::REQ_ZIP_VERSION);
-        $log->logLine("Zip version: " . Zip::VERSION);
-        $log->logLine("getCurrentServerURL: " . $book->getCurrentServerURL());
-        $log->logLine("getCurrentPageURL..: " . $book->getCurrentPageURL());
-
-        $book->setTitle(_('wallabag\'s articles'));
-        $book->setIdentifier("http://$_SERVER[HTTP_HOST]", EPub::IDENTIFIER_URI); // Could also be the ISBN number, prefered for published books, or a UUID.
-        //$book->setLanguage("en"); // Not needed, but included for the example, Language is mandatory, but EPub defaults to "en". Use RFC3066 Language codes, such as "en", "da", "fr" etc.
-        $book->setDescription(_("Some articles saved on my wallabag"));
-        $book->setAuthor("wallabag","wallabag");
-        $book->setPublisher("wallabag","wallabag"); // I hope this is a non existant address :)
-        $book->setDate(time()); // Strictly not needed as the book date defaults to time().
-        //$book->setRights("Copyright and licence information specific for the book."); // As this is generated, this _could_ contain the name or licence information of the user who purchased the book, if needed. If this is used that way, the identifier must also be made unique for the book.
-        $book->setSourceURL("http://$_SERVER[HTTP_HOST]");
-
-        $book->addDublinCoreMetadata(DublinCore::CONTRIBUTOR, "PHP");
-        $book->addDublinCoreMetadata(DublinCore::CONTRIBUTOR, "wallabag");
-
-        $cssData = "body {\n margin-left: .5em;\n margin-right: .5em;\n text-align: justify;\n}\n\np {\n font-family: serif;\n font-size: 10pt;\n text-align: justify;\n text-indent: 1em;\n margin-top: 0px;\n margin-bottom: 1ex;\n}\n\nh1, h2 {\n font-family: sans-serif;\n font-style: italic;\n text-align: center;\n background-color: #6b879c;\n color: white;\n width: 100%;\n}\n\nh1 {\n margin-bottom: 2px;\n}\n\nh2 {\n margin-top: -2px;\n margin-bottom: 2px;\n}\n";
-
-        $log->logLine("Add Cover");
-
-        $fullTitle = "<h1> " . $bookTitle . "</h1>\n";
-
-        $book->setCoverImage("Cover.png", file_get_contents("themes/baggy/img/apple-touch-icon-152.png"), "image/png", $fullTitle);
-
-        $cover = $content_start . '<div style="text-align:center;"><p>' . _('Produced by wallabag with PHPePub') . '</p><p>'. _('Please open <a href="https://github.com/wallabag/wallabag/issues" >an issue</a> if you have trouble with the display of this E-Book on your device.') . '</p></div>' . $bookEnd;
-
-        //$book->addChapter("Table of Contents", "TOC.xhtml", NULL, false, EPub::EXTERNAL_REF_IGNORE);
-        $book->addChapter("Notices", "Cover2.html", $cover);
-
-        $book->buildTOC();
-
-        foreach ($entries as $entry) { //set tags as subjects
-            $tags = $this->store->retrieveTagsByEntry($entry['id']);
-            foreach ($tags as $tag) {
-                $book->setSubject($tag['value']);
-            }
-
-            $log->logLine("Set up parameters");
-
-            $chapter = $content_start . $entry['content'] . $bookEnd;
-            $book->addChapter($entry['title'], htmlspecialchars($entry['title']) . ".html", $chapter, true, EPub::EXTERNAL_REF_ADD);
-            $log->logLine("Added chapter " . $entry['title']);
-        }
-
-        if (DEBUG_POCHE) {
-            $epuplog = $book->getLog();
-            $book->addChapter("Log", "Log.html", $content_start . $log->getLog() . "\n</pre>" . $bookEnd); // log generation
-        }
-        $book->finalize();
-        $zipData = $book->sendBook($bookFileName);
-    }
 }