mirror of
https://github.com/wallabag/wallabag.git
synced 2024-11-22 17:11:07 +00:00
212 lines
6.1 KiB
PHP
Executable file
212 lines
6.1 KiB
PHP
Executable file
<?php
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define("VERSION", "0.0.3");
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header('Content-type:text/html; charset=utf-8');
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// Set locale to French
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setlocale(LC_ALL, 'fr_FR');
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// set timezone to Europe/Paris
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date_default_timezone_set('Europe/Paris');
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// set charset to utf-8 important since all pages will be transform to utf-8
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header('Content-Type: text/html;charset=utf-8');
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// get readability library
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require_once dirname(__FILE__).'/inc/Readability.php';
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// get Encoding library.
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require_once dirname(__FILE__).'/inc/Encoding.php';
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// appel de la libraire RainTPL.
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require_once dirname(__FILE__).'/inc/rain.tpl.class.php';
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// FUNCTIONS BEGIN
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function url(){
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$protocol = ($_SERVER['HTTPS'] && $_SERVER['HTTPS'] != "off") ? "https" : "http";
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return $protocol . "://" . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
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}
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function generate_page($url,$title,$content) {
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raintpl::$tpl_dir = './tpl/'; // template directory
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raintpl::$cache_dir = "./cache/"; // cache directory
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raintpl::$base_url = url(); // base URL of blog
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raintpl::configure( 'path_replace', false );
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raintpl::configure('debug', false);
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$tpl = new raintpl(); //include Rain TPL
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$tpl->assign( "url", $url);
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$tpl->assign( "title", $title);
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$tpl->assign( "content", $content);
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$tpl->assign( "version", VERSION);
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$tpl->draw( "index"); // draw the template
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}
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// function define to retrieve url content
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function get_external_file($url, $timeout) {
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// spoofing FireFox 18.0
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$useragent="Mozilla/5.0 (Windows NT 5.1; rv:18.0) Gecko/20100101 Firefox/18.0";
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if (in_array ('curl', get_loaded_extensions())) {
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// Fetch feed from URL
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$curl = curl_init();
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curl_setopt($curl, CURLOPT_URL, $url);
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curl_setopt($curl, CURLOPT_TIMEOUT, $timeout);
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curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
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curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($curl, CURLOPT_HEADER, false);
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// FeedBurner requires a proper USER-AGENT...
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curl_setopt($curl, CURL_HTTP_VERSION_1_1, true);
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curl_setopt($curl, CURLOPT_ENCODING, "gzip, deflate");
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curl_setopt($curl, CURLOPT_USERAGENT, $useragent);
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$data = curl_exec($curl);
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$httpcode = curl_getinfo($curl, CURLINFO_HTTP_CODE);
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$httpcodeOK = isset($httpcode) and ($httpcode == 200 or $httpcode == 301);
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curl_close($curl);
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} else {
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// create http context and add timeout and user-agent
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$context = stream_context_create(array('http'=>array('timeout' => $timeout, // Timeout : time until we stop waiting for the response.
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'header'=> "User-Agent: ".$useragent, // spoot Mozilla Firefox
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'follow_location' => true
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)));
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// only download page lesser than 4MB
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$data = @file_get_contents($url, false, $context, -1, 4000000); // We download at most 4 MB from source.
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// echo "<pre>http_response_header : ".print_r($http_response_header);
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if(isset($http_response_header) and isset($http_response_header[0])) {
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$httpcodeOK = isset($http_response_header) and isset($http_response_header[0]) and ((strpos($http_response_header[0], '200 OK') !== FALSE) or (strpos($http_response_header[0], '301 Moved Permanently') !== FALSE));
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}
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}
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// if response is not empty and response is OK
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if (isset($data) and isset($httpcodeOK) and httpcodeOK ) {
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// take charset of page and get it
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preg_match('#<meta .*charset=.*>#Usi', $data, $meta);
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// if meta tag is found
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if (!empty($meta[0])) {
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// retrieve encoding in $enc
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preg_match('#charset="?(.*)"#si', $meta[0], $enc);
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// if charset is found set it otherwise, set it to utf-8
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$html_charset = (!empty($enc[1])) ? strtolower($enc[1]) : 'utf-8';
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} else {
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$html_charset = 'utf-8';
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$enc[1] = '';
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}
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// replace charset of url to charset of page
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$data = str_replace('charset='.$enc[1], 'charset='.$html_charset, $data);
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return $data;
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}
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else {
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return FALSE;
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}
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}
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function rel2abs($rel, $base)
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{
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/* return if already absolute URL */
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if (parse_url($rel, PHP_URL_SCHEME) != '') return $rel;
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/* queries and anchors */
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if ($rel[0]=='#' || $rel[0]=='?') return $base.$rel;
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/* parse base URL and convert to local variables:
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$scheme, $host, $path */
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extract(parse_url($base));
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/* remove non-directory element from path */
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$path = preg_replace('#/[^/]*$#', '', $path);
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/* destroy path if relative url points to root */
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if ($rel[0] == '/') $path = '';
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/* dirty absolute URL */
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$abs = "$host$path/$rel";
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/* replace '//' or '/./' or '/foo/../' with '/' */
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$re = array('#(/\.?/)#', '#/(?!\.\.)[^/]+/\.\./#');
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for($n=1; $n>0; $abs=preg_replace($re, '/', $abs, -1, $n)) {}
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/* absolute URL is ready! */
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return $scheme.'://'.$abs;
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}
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// $str=preg_replace('#(href|src)="([^:"]*)("|(?:(?:%20|\s|\+)[^"]*"))#','$1="http://wintermute.com.au/$2$3',$str);
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function absolutes_links($data, $base) {
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// cherche les balises 'a' qui contiennent un href
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$matches = array();
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preg_match_all('#(href|src)="([^:"]*)("|(?:(?:%20|\s|\+)[^"]*"))#Si', $data, $matches, PREG_SET_ORDER);
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// ne conserve que les liens ne commen<65>ant pas par un protocole <20> protocole:// <20> ni par une ancre <20> # <20>
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foreach($matches as $i => $link) {
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$link[1] = trim($link[1]);
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if (!preg_match('#^(([a-z]+://)|(\#))#', $link[1]) ) {
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$absolutePath=rel2abs($link[2],$base);
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$data = str_replace($matches[$i][2], $absolutePath, $data);
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}
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}
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return $data;
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}
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// FUNCTIONS END
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// EXUCUTION CODE
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if(isset($_GET['url']) && $_GET['url'] != null && trim($_GET['url']) != "") {
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// get url link
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if(strlen(trim($_GET['url'])) > 2048) {
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echo "Error URL is too large !!";
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} else {
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$url = trim($_GET['url']);
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// decode it
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$url = html_entity_decode($url);
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// if url use https protocol change it to http
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if (!preg_match('!^https?://!i', $url)) $url = 'http://'.$url;
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// convert page to utf-8
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$html = Encoding::toUTF8(get_external_file($url,15));
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if(isset($html) and strlen($html) > 0) {
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// send result to readability library
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$r = new Readability($html, $url);
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if($r->init()) {
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generate_page($url,$r->articleTitle->innerHTML,$r->articleContent->innerHTML);
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} else {
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// return data into an iframe
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echo "<iframe id='readabilityframe'>".$html."</iframe>";
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}
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} else {
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echo "Error unable to get link : ".$url;
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}
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}
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}
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?>
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