-<?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
- */
-
-function encode_string($string)
-{
- return sha1($string . SALT);
-}
-
-function get_external_file($url)
-{
- $timeout = 15;
- $useragent = "Mozilla/5.0 (Windows NT 5.1; rv:18.0) Gecko/20100101 Firefox/18.0";
-
- if (in_array ('curl', get_loaded_extensions())) {
- # Fetch feed from URL
- $curl = curl_init();
- curl_setopt($curl, CURLOPT_URL, $url);
- curl_setopt($curl, CURLOPT_TIMEOUT, $timeout);
- curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
- curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
- curl_setopt($curl, CURLOPT_HEADER, false);
-
- # for ssl, do not verified certificate
- curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
- curl_setopt($curl, CURLOPT_AUTOREFERER, TRUE );
-
- # FeedBurner requires a proper USER-AGENT...
- curl_setopt($curl, CURL_HTTP_VERSION_1_1, true);
- curl_setopt($curl, CURLOPT_ENCODING, "gzip, deflate");
- curl_setopt($curl, CURLOPT_USERAGENT, $useragent);
-
- $data = curl_exec($curl);
- $httpcode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
- $httpcodeOK = isset($httpcode) and ($httpcode == 200 or $httpcode == 301);
- curl_close($curl);
- } else {
- # create http context and add timeout and user-agent
- $context = stream_context_create(
- array(
- 'http' => array(
- 'timeout' => $timeout,
- 'header' => "User-Agent: " . $useragent,
- 'follow_location' => true
- ),
- 'ssl' => array(
- 'verify_peer' => false,
- 'allow_self_signed' => true
- )
- )
- );
-
- # only download page lesser than 4MB
- $data = @file_get_contents($url, false, $context, -1, 4000000);
-
- if (isset($http_response_header) and isset($http_response_header[0])) {
- $httpcodeOK = isset($http_response_header) and isset($http_response_header[0]) and ((strpos($http_response_header[0], '200 OK') !== FALSE) or (strpos($http_response_header[0], '301 Moved Permanently') !== FALSE));
- }
- }
-
- # if response is not empty and response is OK
- if (isset($data) and isset($httpcodeOK) and $httpcodeOK) {
-
- # take charset of page and get it
- preg_match('#<meta .*charset=.*>#Usi', $data, $meta);
-
- # if meta tag is found
- if (!empty($meta[0])) {
- preg_match('#charset="?(.*)"#si', $meta[0], $encoding);
- # if charset is found set it otherwise, set it to utf-8
- $html_charset = (!empty($encoding[1])) ? strtolower($encoding[1]) : 'utf-8';
- } else {
- $html_charset = 'utf-8';
- $encoding[1] = '';
- }
-
- # replace charset of url to charset of page
- $data = str_replace('charset=' . $encoding[1], 'charset=' . $html_charset, $data);
-
- return $data;
- }
- else {
- return FALSE;
- }
-}
-
-function fetch_url_content($url)
-{
- $url = base64_decode($url);
- if (pocheTools::isUrl($url)) {
- $url = pocheTools::cleanURL($url);
- $html = Encoding::toUTF8(get_external_file($url));
-
- # if get_external_file if not able to retrieve HTTPS content, try the same URL with HTTP protocol
- if (!preg_match('!^https?://!i', $url) && (!isset($html) || strlen($html) <= 0)) {
- $url = 'http://' . $url;
- $html = Encoding::toUTF8(get_external_file($url));
- }
-
- if (function_exists('tidy_parse_string')) {
- $tidy = tidy_parse_string($html, array(), 'UTF8');
- $tidy->cleanRepair();
- $html = $tidy->value;
- }
-
- $parameters = array();
- if (isset($html) and strlen($html) > 0)
- {
- $readability = new Readability($html, $url);
- $readability->convertLinksToFootnotes = CONVERT_LINKS_FOOTNOTES;
- $readability->revertForcedParagraphElements = REVERT_FORCED_PARAGRAPH_ELEMENTS;
-
- if($readability->init())
- {
- $content = $readability->articleContent->innerHTML;
- $parameters['title'] = $readability->articleTitle->innerHTML;
- $parameters['content'] = $content;
-
- return $parameters;
- }
- }
- }
- else {
- #$msg->add('e', _('error during url preparation : the link is not valid'));
- pocheTools::logm($url . ' is not a valid url');
- }
-
- return FALSE;
-}
-
-function get_tpl_file($view)
-{
- $tpl_file = 'home.twig';
- switch ($view)
- {
- case 'install':
- $tpl_file = 'install.twig';
- break;
- case 'import';
- $tpl_file = 'import.twig';
- break;
- case 'export':
- $tpl_file = 'export.twig';
- break;
- case 'config':
- $tpl_file = 'config.twig';
- break;
- case 'view':
- $tpl_file = 'view.twig';
- break;
- default:
- break;
- }
- return $tpl_file;
-}
-
-function display_view($view, $id = 0)
-{
- global $store;
-
- $tpl_vars = array();
-
- switch ($view)
- {
- case 'install':
- pocheTools::logm('install mode');
- break;
- case 'import';
- pocheTools::logm('import mode');
- break;
- case 'export':
- $entries = $store->retrieveAll();
- $tpl->assign('export', pocheTools::renderJson($entries));
- $tpl->draw('export');
- pocheTools::logm('export view');
- break;
- case 'config':
- pocheTools::logm('config view');
- break;
- case 'view':
- $entry = $store->retrieveOneById($id);
- if ($entry != NULL) {
- pocheTools::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 {
- pocheTools::logm('error in view call : entry is NULL');
- }
- break;
- default: # home view
- $entries = $store->getEntriesByView($view);
- $tpl_vars = array(
- 'entries' => $entries,
- );
- break;
- }
-
- return $tpl_vars;
-}
-
-/**
- * Call action (mark as fav, archive, delete, etc.)
- */
-function action_to_do($action, $url, $id = 0)
-{
- global $store;
-
- switch ($action)
- {
- case 'add':
- if($parametres_url = fetch_url_content($url)) {
- if ($store->add($url, $parametres_url['title'], $parametres_url['content'])) {
- pocheTools::logm('add link ' . $url);
- $last_id = $store->getLastId();
- if (DOWNLOAD_PICTURES) {
- $content = filtre_picture($parametres_url['content'], $url, $last_id);
- }
- #$msg->add('s', _('the link has been added successfully'));
- }
- else {
- #$msg->add('e', _('error during insertion : the link wasn\'t added'));
- pocheTools::logm('error during insertion : the link wasn\'t added');
- }
- }
- else {
- #$msg->add('e', _('error during url preparation : the link wasn\'t added'));
- pocheTools::logm('error during content fetch');
- }
- break;
- case 'delete':
- if ($store->deleteById($id)) {
- if (DOWNLOAD_PICTURES) {
- remove_directory(ABS_PATH . $id);
- }
- #$msg->add('s', _('the link has been deleted successfully'));
- pocheTools::logm('delete link #' . $id);
- }
- else {
- #$msg->add('e', _('the link wasn\'t deleted'));
- pocheTools::logm('error : can\'t delete link #' . $id);
- }
- break;
- case 'toggle_fav' :
- $store->favoriteById($id);
- pocheTools::logm('mark as favorite link #' . $id);
- break;
- case 'toggle_archive' :
- $store->archiveById($id);
- pocheTools::logm('archive link #' . $id);
- break;
- default:
- break;
- }
-}