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wallabag/inc/poche/Poche.class.php

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<?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()
{
$this->initTpl();
if (!$this->checkBeforeInstall()) {
exit;
}
$this->store = new Database();
$this->init();
$this->messages = new Messages();
# installation
if(!$this->store->isInstalled())
{
$this->install();
}
}
/**
* all checks before installation.
* @return boolean
*/
private function checkBeforeInstall()
{
$msg = '';
$allIsGood = TRUE;
if (!is_writable(CACHE)) {
Tools::logm('you don\'t have write access on cache directory');
die('You don\'t have write access on cache directory.');
}
else if (file_exists('./install/update.php') && !DEBUG_POCHE) {
$msg = '<h1>setup</h1><p><strong>It\'s your first time here?</strong> Please copy /install/poche.sqlite in db folder. Then, delete install folder.<br /><strong>If you have already installed poche</strong>, an update is needed <a href="install/update.php">by clicking here</a>.</p>';
$allIsGood = FALSE;
}
else if (file_exists('./install') && !DEBUG_POCHE) {
$msg = '<h1>setup</h1><p><strong>If you want to update your poche</strong>, you just have to delete /install folder. <br /><strong>To install your poche with sqlite</strong>, copy /install/poche.sqlite in /db and delete the folder /install. you have to delete the /install folder before using poche.</p>';
$allIsGood = FALSE;
}
else if (STORAGE == 'sqlite' && !is_writable(STORAGE_SQLITE)) {
Tools::logm('you don\'t have write access on sqlite file');
$msg = '<h1>error</h1><p>You don\'t have write access on sqlite file.</p>';
$allIsGood = FALSE;
}
if (!$allIsGood) {
echo $this->tpl->render('error.twig', array(
'msg' => $msg
));
}
return $allIsGood;
}
private function initTpl()
{
# 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);
# filter for reading time
$filter = new Twig_SimpleFilter('getReadingTime', 'Tools::getReadingTime');
$this->tpl->addFilter($filter);
}
private function init()
{
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);
# 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'] != "" && $_POST['login'] != "") {
# let's rock, install poche baby !
if ($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':
$content = $url->extract();
if ($this->store->add($url->getUrl(), $content['title'], $content['body'], $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) {
$content = filtre_picture($content['body'], $url->getUrl(), $last_id);
Tools::logm('updating content article');
$this->store->updateContent($last_id, $content, $this->user->getId());
}
if (!$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 ' . $url->getUrl());
}
}
if (!$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
* @param string $targetFile the file used for importing
* @return boolean
*/
private function importFromInstapaper($targetFile)
{
# TODO gestion des articles favs
$html = new simple_html_dom();
$html->load_file($targetFile);
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
* @param string $targetFile the file used for importing
* @return boolean
*/
private function importFromPocket($targetFile)
{
# TODO gestion des articles favs
$html = new simple_html_dom();
$html->load_file($targetFile);
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
* @param string $targetFile the file used for importing
* @return boolean
*/
private function importFromReadability($targetFile)
{
# TODO gestion des articles lus / favs
$str_data = file_get_contents($targetFile);
$data = json_decode($str_data,true);
Tools::logm('starting import from Readability');
$count = 0;
foreach ($data as $key => $value) {
$url = NULL;
$favorite = FALSE;
$archive = FALSE;
foreach ($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 == 'true') {
if ($attr == 'favorite') {
$favorite = TRUE;
}
if ($attr == 'archive') {
$archive = TRUE;
}
}
}
# we can add the url
if (!is_null($url) && $url->isCorrect()) {
$this->action('add', $url, 0, TRUE);
$count++;
if ($favorite) {
$last_id = $this->store->getLastId($sequence);
$this->action('toggle_fav', $url, $last_id, TRUE);
}
if ($archive) {
$last_id = $this->store->getLastId($sequence);
$this->action('toggle_archive', $url, $last_id, TRUE);
}
}
}
$this->messages->add('s', _('import from Readability completed. ' . $count . ' new links.'));
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)
{
$providers = array(
'pocket' => 'importFromPocket',
'readability' => 'importFromReadability',
'instapaper' => 'importFromInstapaper'
);
if (! isset($providers[$from])) {
$this->messages->add('e', _('Unknown import provider.'));
Tools::redirect();
}
$targetDefinition = 'IMPORT_' . strtoupper($from) . '_FILE';
$targetFile = constant($targetDefinition);
if (! defined($targetDefinition)) {
$this->messages->add('e', _('Incomplete inc/poche/define.inc.php file, please define "' . $targetDefinition . '".'));
Tools::redirect();
}
if (! file_exists($targetFile)) {
$this->messages->add('e', _('Could not find required "' . $targetFile . '" import file.'));
Tools::redirect();
}
$this->$providers[$from]($targetFile);
}
/**
* 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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