1 files changed, 485 insertions, 0 deletions

diff --git a/inc/poche/Poche.class.php b/inc/poche/Poche.class.php
new file mode 100644
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--- /dev/null
+++ b/inc/poche/Poche.class.php
@@ -0,0 +1,485 @@
+<?php
+/**
+ * poche, a read it later open source system
+ *
+ * @category   poche
+ * @author     Nicolas Lœuillet <support@inthepoche.com>
+ * @copyright  2013
+ * @license    http://www.wtfpl.net/ see COPYING file
+ */
+
+class Poche
+{
+    public $user;
+    public $store;
+    public $tpl;
+    public $messages;
+    public $pagination;
+
+    function __construct()
+    {
+        $this->store = new Database();
+        $this->init();
+        $this->messages = new Messages();
+
+        # installation
+        if(!$this->store->isInstalled())
+        {
+            $this->install();
+        }
+    }
+
+    private function init() 
+    {
+        if (file_exists('./install') && !DEBUG_POCHE) {
+            Tools::logm('folder /install exists');
+            die('the folder /install exists, you have to delete it before using poche.');
+        }
+
+        Tools::initPhp();
+        Session::init();
+
+        if (isset($_SESSION['poche_user']) && $_SESSION['poche_user'] != array()) {
+            $this->user = $_SESSION['poche_user'];
+        }
+        else {
+            # 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); 
+
+        # template engine
+        $loader = new Twig_Loader_Filesystem(TPL);
+        if (DEBUG_POCHE) {
+            $twig_params = array();
+        }
+        else {
+            $twig_params = array('cache' => CACHE);
+        }
+        $this->tpl = new Twig_Environment($loader, $twig_params);
+        $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);
+
+        # Pagination
+        $this->pagination = new Paginator($this->user->getConfigValue('pager'), 'p');
+    }
+
+    private function install() 
+    {
+        Tools::logm('poche still not installed');
+        echo $this->tpl->render('install.twig', array(
+            'token' => Session::getToken()
+        ));
+        if (isset($_GET['install'])) {
+            if (($_POST['password'] == $_POST['password_repeat']) 
+                && $_POST['password'] != "" && $_POST['login'] != "") {
+                # let's rock, install poche baby !
+                $this->store->install($_POST['login'], Tools::encodeString($_POST['password'] . $_POST['login']));
+                Session::logout();
+                Tools::logm('poche is now installed');
+                Tools::redirect();
+            }
+            else {
+                Tools::logm('error during installation');
+                Tools::redirect();
+            }
+        }
+        exit();
+    }
+
+    public function getDefaultConfig()
+    {
+        return array(
+            'pager' => PAGINATION,
+            'language' => LANG,
+            );
+    }
+
+    /**
+     * Call action (mark as fav, archive, delete, etc.)
+     */
+    public function action($action, Url $url, $id = 0, $import = FALSE)
+    {
+        switch ($action)
+        {
+            case 'add':
+                if($parametres_url = $url->fetchContent()) {
+                    if ($this->store->add($url->getUrl(), $parametres_url['title'], $parametres_url['content'], $this->user->getId())) {
+                        Tools::logm('add link ' . $url->getUrl());
+                        $sequence = '';
+                        if (STORAGE == 'postgres') {
+                            $sequence = 'entries_id_seq';
+                        }
+                        $last_id = $this->store->getLastId($sequence);
+                        if (DOWNLOAD_PICTURES) {
+                            $content = filtre_picture($parametres_url['content'], $url->getUrl(), $last_id);
+                        }
+                        if (!$import) {
+                            $this->messages->add('s', _('the link has been added successfully'));
+                        }
+                    }
+                    else {
+                        if (!$import) {
+                            $this->messages->add('e', _('error during insertion : the link wasn\'t added'));
+                            Tools::logm('error during insertion : the link wasn\'t added ' . $url->getUrl());
+                        }
+                    }
+                }
+                else {
+                    if (!$import) {
+                        $this->messages->add('e', _('error during fetching content : the link wasn\'t added'));
+                        Tools::logm('error during content fetch ' . $url->getUrl());
+                    }
+                }
+                if (!$import) {
+                    Tools::redirect();
+                }
+                break;
+            case 'delete':
+                $msg = 'delete link #' . $id;
+                if ($this->store->deleteById($id, $this->user->getId())) {
+                    if (DOWNLOAD_PICTURES) {
+                        remove_directory(ABS_PATH . $id);
+                    }
+                    $this->messages->add('s', _('the link has been deleted successfully'));
+                }
+                else {
+                    $this->messages->add('e', _('the link wasn\'t deleted'));
+                    $msg = 'error : can\'t delete link #' . $id;
+                }
+                Tools::logm($msg);
+                Tools::redirect('?');
+                break;
+            case 'toggle_fav' :
+                $this->store->favoriteById($id, $this->user->getId());
+                Tools::logm('mark as favorite link #' . $id);
+                if (!$import) {
+                    Tools::redirect();
+                }
+                break;
+            case 'toggle_archive' :
+                $this->store->archiveById($id, $this->user->getId());
+                Tools::logm('archive link #' . $id);
+                if (!$import) {
+                    Tools::redirect();
+                }
+                break;
+            default:
+                break;
+        }
+    }
+
+    function displayView($view, $id = 0)
+    {
+        $tpl_vars = array();
+
+        switch ($view)
+        {
+            case 'config':
+                $dev = $this->getPocheVersion('dev');
+                $prod = $this->getPocheVersion('prod');
+                $compare_dev = version_compare(POCHE_VERSION, $dev);
+                $compare_prod = version_compare(POCHE_VERSION, $prod);
+                $tpl_vars = array(
+                    'dev' => $dev,
+                    'prod' => $prod,
+                    'compare_dev' => $compare_dev,
+                    'compare_prod' => $compare_prod,
+                );
+                Tools::logm('config view');
+                break;
+            case 'view':
+                $entry = $this->store->retrieveOneById($id, $this->user->getId());
+                if ($entry != NULL) {
+                    Tools::logm('view link #' . $id);
+                    $content = $entry['content'];
+                    if (function_exists('tidy_parse_string')) {
+                        $tidy = tidy_parse_string($content, array('indent'=>true, 'show-body-only' => true), 'UTF8');
+                        $tidy->cleanRepair();
+                        $content = $tidy->value;
+                    }
+                    $tpl_vars = array(
+                        'entry' => $entry,
+                        'content' => $content,
+                    );
+                }
+                else {
+                    Tools::logm('error in view call : entry is NULL');
+                }
+                break;
+            default: # home view
+                $entries = $this->store->getEntriesByView($view, $this->user->getId());
+                $this->pagination->set_total(count($entries));
+                $page_links = $this->pagination->page_links('?view=' . $view . '&sort=' . $_SESSION['sort'] . '&');
+                $datas = $this->store->getEntriesByView($view, $this->user->getId(), $this->pagination->get_limit());
+                $tpl_vars = array(
+                    'entries' => $datas,
+                    'page_links' => $page_links,
+                );
+                Tools::logm('display ' . $view . ' view');
+                break;
+        }
+
+        return $tpl_vars;
+    }
+
+    /**
+     * update the password of the current user. 
+     * if MODE_DEMO is TRUE, the password can't be updated. 
+     * @todo add the return value
+     * @todo set the new password in function header like this updatePassword($newPassword)
+     * @return boolean
+     */
+    public function updatePassword()
+    {
+        if (MODE_DEMO) {
+            $this->messages->add('i', _('in demo mode, you can\'t update your password'));
+            Tools::logm('in demo mode, you can\'t do this');
+            Tools::redirect('?view=config');
+        }
+        else {
+            if (isset($_POST['password']) && isset($_POST['password_repeat'])) {
+                if ($_POST['password'] == $_POST['password_repeat'] && $_POST['password'] != "") {
+                    $this->messages->add('s', _('your password has been updated'));
+                    $this->store->updatePassword($this->user->getId(), Tools::encodeString($_POST['password'] . $this->user->getUsername()));
+                    Session::logout();
+                    Tools::logm('password updated');
+                    Tools::redirect();
+                }
+                else {
+                    $this->messages->add('e', _('the two fields have to be filled & the password must be the same in the two fields'));
+                    Tools::redirect('?view=config');
+                }
+            }
+        }
+    }
+
+    /**
+     * checks if login & password are correct and save the user in session.
+     * it redirects the user to the $referer link
+     * @param  string $referer the url to redirect after login
+     * @todo add the return value
+     * @return boolean
+     */
+    public function login($referer)
+    {
+        if (!empty($_POST['login']) && !empty($_POST['password'])) {
+            $user = $this->store->login($_POST['login'], Tools::encodeString($_POST['password'] . $_POST['login']));
+            if ($user != array()) {
+                # Save login into Session
+                Session::login($user['username'], $user['password'], $_POST['login'], Tools::encodeString($_POST['password'] . $_POST['login']), array('poche_user' => new User($user)));
+
+                $this->messages->add('s', _('welcome to your poche'));
+                if (!empty($_POST['longlastingsession'])) {
+                    $_SESSION['longlastingsession'] = 31536000;
+                    $_SESSION['expires_on'] = time() + $_SESSION['longlastingsession'];
+                    session_set_cookie_params($_SESSION['longlastingsession']);
+                } else {
+                    session_set_cookie_params(0);
+                }
+                session_regenerate_id(true);
+                Tools::logm('login successful');
+                Tools::redirect($referer);
+            }
+            $this->messages->add('e', _('login failed: bad login or password'));
+            Tools::logm('login failed');
+            Tools::redirect();
+        } else {
+            $this->messages->add('e', _('login failed: you have to fill all fields'));
+            Tools::logm('login failed');
+            Tools::redirect();
+        }
+    }
+
+    /**
+     * log out the poche user. It cleans the session.
+     * @todo add the return value
+     * @return boolean 
+     */
+    public function logout()
+    {
+        $this->user = array();
+        Session::logout();
+        $this->messages->add('s', _('see you soon!'));
+        Tools::logm('logout');
+        Tools::redirect();
+    }
+
+    /**
+     * import from Instapaper. poche needs a ./instapaper-export.html file
+     * @todo add the return value
+     * @return boolean
+     */
+    private function importFromInstapaper()
+    {
+        # TODO gestion des articles favs
+        $html = new simple_html_dom();
+        $html->load_file('./instapaper-export.html');
+        Tools::logm('starting import from instapaper');
+
+        $read = 0;
+        $errors = array();
+        foreach($html->find('ol') as $ul)
+        {
+            foreach($ul->find('li') as $li)
+            {
+                $a = $li->find('a');
+                $url = new Url(base64_encode($a[0]->href));
+                $this->action('add', $url, 0, TRUE);
+                if ($read == '1') {
+                    $sequence = '';
+                    if (STORAGE == 'postgres') {
+                        $sequence = 'entries_id_seq';
+                    }
+                    $last_id = $this->store->getLastId($sequence);
+                    $this->action('toggle_archive', $url, $last_id, TRUE);
+                }
+            }
+
+            # the second <ol> is for read links
+            $read = 1;
+        }
+        $this->messages->add('s', _('import from instapaper completed'));
+        Tools::logm('import from instapaper completed');
+        Tools::redirect();
+    }
+
+    /**
+     * import from Pocket. poche needs a ./ril_export.html file
+     * @todo add the return value
+     * @return boolean 
+     */
+    private function importFromPocket()
+    {
+        # TODO gestion des articles favs
+        $html = new simple_html_dom();
+        $html->load_file('./ril_export.html');
+        Tools::logm('starting import from pocket');
+
+        $read = 0;
+        $errors = array();
+        foreach($html->find('ul') as $ul)
+        {
+            foreach($ul->find('li') as $li)
+            {
+                $a = $li->find('a');
+                $url = new Url(base64_encode($a[0]->href));
+                $this->action('add', $url, 0, TRUE);
+                if ($read == '1') {
+                        $sequence = '';
+                        if (STORAGE == 'postgres') {
+                            $sequence = 'entries_id_seq';
+                        }
+                    $last_id = $this->store->getLastId($sequence);
+                    $this->action('toggle_archive', $url, $last_id, TRUE);
+                }
+            }
+            
+            # the second <ul> is for read links
+            $read = 1;
+        }
+        $this->messages->add('s', _('import from pocket completed'));
+        Tools::logm('import from pocket completed');
+        Tools::redirect();
+    }
+
+    /**
+     * import from Readability. poche needs a ./readability file
+     * @todo add the return value
+     * @return boolean 
+     */
+    private function importFromReadability()
+    {
+        # TODO gestion des articles lus / favs
+        $str_data = file_get_contents("./readability");
+        $data = json_decode($str_data,true);
+        Tools::logm('starting import from Readability');
+
+        foreach ($data as $key => $value) {
+            $url = '';
+            foreach ($value as $attr => $attr_value) {
+                if ($attr == 'article__url') {
+                    $url = new Url(base64_encode($attr_value));
+                }
+                $sequence = '';
+                if (STORAGE == 'postgres') {
+                    $sequence = 'entries_id_seq';
+                }
+                // if ($attr_value == 'favorite' && $attr_value == 'true') {
+                //     $last_id = $this->store->getLastId($sequence);
+                //     $this->store->favoriteById($last_id);
+                //     $this->action('toogle_fav', $url, $last_id, TRUE);
+                // }
+                if ($attr_value == 'archive' && $attr_value == 'true') {
+                    $last_id = $this->store->getLastId($sequence);
+                    $this->action('toggle_archive', $url, $last_id, TRUE);
+                }
+            }
+            if ($url->isCorrect())
+                $this->action('add', $url, 0, TRUE);
+        }
+        $this->messages->add('s', _('import from Readability completed'));
+        Tools::logm('import from Readability completed');
+        Tools::redirect();
+    }
+
+    /**
+     * import datas into your poche
+     * @param  string $from name of the service to import : pocket, instapaper or readability
+     * @todo add the return value
+     * @return boolean       
+     */
+    public function import($from)
+    {
+        if ($from == 'pocket') {
+            return $this->importFromPocket();
+        }
+        else if ($from == 'readability') {
+            return $this->importFromReadability();
+        }
+        else if ($from == 'instapaper') {
+            return $this->importFromInstapaper();
+        }
+    }
+
+    /**
+     * export poche entries in json
+     * @return json all poche entries
+     */
+    public function export()
+    {
+        $entries = $this->store->retrieveAll($this->user->getId());
+        echo $this->tpl->render('export.twig', array(
+            'export' => Tools::renderJson($entries),
+        ));
+        Tools::logm('export view');
+    }
+
+    /**
+     * Checks online the latest version of poche and cache it
+     * @param  string $which 'prod' or 'dev'
+     * @return string        latest $which version
+     */
+    private function getPocheVersion($which = 'prod')
+    {
+        $cache_file = CACHE . '/' . $which;
+
+        # checks if the cached version file exists
+        if (file_exists($cache_file) && (filemtime($cache_file) > (time() - 86400 ))) {
+           $version = file_get_contents($cache_file);
+        } else {
+           $version = file_get_contents('http://static.inthepoche.com/versions/' . $which);
+           file_put_contents($cache_file, $version, LOCK_EX);
+        }
+        return $version;
+    }
+}
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