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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
*/
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($url . ' is not a valid url');
}
return FALSE;
}
function display_view($view, $id = 0)
{
global $tpl, $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':
$tpl->assign('load_all_js', 0);
$tpl->draw('head');
$tpl->draw('home');
$tpl->draw('config');
$tpl->draw('js');
$tpl->draw('footer');
pocheTools::logm('config view');
break;
case 'view':
$entry = $store->retrieveOneById($id);
if ($entry != NULL) {
pocheTools::logm('view link #' . $id);
$tpl->assign('id', $entry['id']);
$tpl->assign('url', $entry['url']);
$tpl->assign('title', $entry['title']);
$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->assign('content', $content);
$tpl->assign('is_fav', $entry['is_fav']);
$tpl->assign('is_read', $entry['is_read']);
$tpl->assign('load_all_js', 0);
$tpl->draw('view');
}
else {
pocheTools::logm('error in view call : entry is NULL');
}
break;
default: # home view
$entries = $store->getEntriesByView($view);
$tpl_vars = array(
'entries' => $entries,
);
// if ($full_head == 'yes') {
// $tpl->assign('load_all_js', 1);
// $tpl->draw('head');
// $tpl->draw('home');
// }
// $tpl->draw('entries');
// if ($full_head == 'yes') {
// $tpl->draw('js');
// $tpl->draw('footer');
// }
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;
}
}
|
