mirror of
https://github.com/wallabag/wallabag.git
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354 lines
No EOL
11 KiB
PHP
354 lines
No EOL
11 KiB
PHP
<?php
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/**
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* poche, a read it later open source system
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*
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* @category poche
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* @author Nicolas Lœuillet <support@inthepoche.com>
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* @copyright 2013
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* @license http://www.wtfpl.net/ see COPYING file
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*/
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/**
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* Permet de générer l'URL de poche pour le bookmarklet
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*/
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function get_poche_url()
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{
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$protocol = "http";
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if(isset($_SERVER['HTTPS'])) {
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if($_SERVER['HTTPS'] != "off" && $_SERVER['HTTPS'] != "") {
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$protocol = "https";
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}
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}
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return $protocol . "://" . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'];
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}
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// function define to retrieve url content
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function get_external_file($url)
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{
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$timeout = 15;
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// spoofing FireFox 18.0
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$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' => $timeout,'header'=> "User-Agent: ".$useragent,/*spoot Mozilla Firefox*/'follow_location' => true)));
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// only download page lesser than 4MB
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$data = @file_get_contents($url, false, $context, -1, 4000000); // We download at most 4 MB from source.
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if(isset($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 $data;
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}
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else {
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return FALSE;
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}
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}
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/**
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* Préparation de l'URL avec récupération du contenu avant insertion en base
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*/
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function prepare_url($url)
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{
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$parametres = array();
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$url = html_entity_decode(trim($url));
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// We remove the annoying parameters added by FeedBurner and GoogleFeedProxy (?utm_source=...)
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// from shaarli, by sebsauvage
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$i=strpos($url,'&utm_source='); if ($i!==false) $url=substr($url,0,$i);
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$i=strpos($url,'?utm_source='); if ($i!==false) $url=substr($url,0,$i);
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$i=strpos($url,'#xtor=RSS-'); if ($i!==false) $url=substr($url,0,$i);
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$title = $url;
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if (!preg_match('!^https?://!i', $url))
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$url = 'http://' . $url;
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$html = Encoding::toUTF8(get_external_file($url,15));
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if (isset($html) and strlen($html) > 0)
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{
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$r = new Readability($html, $url);
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$r->convertLinksToFootnotes = CONVERT_LINKS_FOOTNOTES;
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if($r->init())
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{
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$content = $r->articleContent->innerHTML;
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$parametres['title'] = $r->articleTitle->innerHTML;
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$parametres['content'] = $content;
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return $parametres;
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}
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}
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$msg->add('e', 'error during url preparation');
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logm('error during url preparation');
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return FALSE;
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}
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/**
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* On modifie les URLS des images dans le corps de l'article
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*/
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function filtre_picture($content, $url, $id)
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{
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$matches = array();
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preg_match_all('#<\s*(img)[^>]+src="([^"]*)"[^>]*>#Si', $content, $matches, PREG_SET_ORDER);
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foreach($matches as $i => $link)
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{
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$link[1] = trim($link[1]);
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if (!preg_match('#^(([a-z]+://)|(\#))#', $link[1]) )
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{
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$absolute_path = get_absolute_link($link[2],$url);
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$filename = basename(parse_url($absolute_path, PHP_URL_PATH));
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$directory = create_assets_directory($id);
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$fullpath = $directory . '/' . $filename;
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download_pictures($absolute_path, $fullpath);
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$content = str_replace($matches[$i][2], $fullpath, $content);
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}
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}
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return $content;
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}
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/**
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* Retourne le lien absolu
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*/
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function get_absolute_link($relative_link, $url)
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{
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/* return if already absolute URL */
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if (parse_url($relative_link, PHP_URL_SCHEME) != '') return $relative_link;
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/* queries and anchors */
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if ($relative_link[0]=='#' || $relative_link[0]=='?') return $url . $relative_link;
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/* parse base URL and convert to local variables:
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$scheme, $host, $path */
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extract(parse_url($url));
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/* remove non-directory element from path */
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$path = preg_replace('#/[^/]*$#', '', $path);
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/* destroy path if relative url points to root */
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if ($relative_link[0] == '/') $path = '';
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/* dirty absolute URL */
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$abs = $host . $path . '/' . $relative_link;
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/* replace '//' or '/./' or '/foo/../' with '/' */
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$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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/**
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* Téléchargement des images
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*/
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function download_pictures($absolute_path, $fullpath)
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{
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$rawdata = get_external_file($absolute_path);
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if(file_exists($fullpath)) {
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unlink($fullpath);
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}
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$fp = fopen($fullpath, 'x');
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fwrite($fp, $rawdata);
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fclose($fp);
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}
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/**
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* Crée un répertoire de médias pour l'article
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*/
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function create_assets_directory($id)
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{
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$assets_path = ABS_PATH;
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if(!is_dir($assets_path)) {
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mkdir($assets_path, 0705);
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}
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$article_directory = $assets_path . $id;
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if(!is_dir($article_directory)) {
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mkdir($article_directory, 0705);
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}
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return $article_directory;
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}
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/**
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* Suppression du répertoire d'images
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*/
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function remove_directory($directory)
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{
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if(is_dir($directory)) {
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$files = array_diff(scandir($directory), array('.','..'));
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foreach ($files as $file) {
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(is_dir("$directory/$file")) ? remove_directory("$directory/$file") : unlink("$directory/$file");
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}
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return rmdir($directory);
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}
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}
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function display_view($view, $id = 0, $full_head = 'yes')
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{
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global $tpl, $store, $msg;
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switch ($view)
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{
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case 'export':
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$entries = $store->retrieveAll();
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$tpl->assign('export', myTool::renderJson($entries));
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$tpl->draw('export');
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logm('export view');
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break;
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case 'config':
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$tpl->assign('load_all_js', 0);
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$tpl->draw('head');
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$tpl->draw('home');
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$tpl->draw('config');
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$tpl->draw('js');
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$tpl->draw('footer');
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logm('config view');
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break;
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case 'view':
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$entry = $store->retrieveOneById($id);
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if ($entry != NULL) {
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$tpl->assign('id', $entry['id']);
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$tpl->assign('url', $entry['url']);
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$tpl->assign('title', $entry['title']);
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$tpl->assign('content', $entry['content']);
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$tpl->assign('is_fav', $entry['is_fav']);
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$tpl->assign('is_read', $entry['is_read']);
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$tpl->assign('load_all_js', 0);
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$tpl->draw('view');
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}
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else {
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logm('error in view call : entry is NULL');
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}
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logm('view link #' . $id);
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break;
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default: # home view
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$entries = $store->getEntriesByView($view);
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$tpl->assign('entries', $entries);
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if ($full_head == 'yes') {
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$tpl->assign('load_all_js', 1);
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$tpl->draw('head');
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$tpl->draw('home');
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}
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$tpl->draw('entries');
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if ($full_head == 'yes') {
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$tpl->draw('js');
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$tpl->draw('footer');
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}
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break;
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}
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}
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/**
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* Appel d'une action (mark as fav, archive, delete)
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*/
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function action_to_do($action, $url, $id = 0)
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{
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global $store, $msg;
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switch ($action)
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{
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case 'add':
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if ($url == '')
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continue;
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if (MyTool::isUrl($url)) {
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if($parametres_url = prepare_url($url)) {
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$store->add($url, $parametres_url['title'], $parametres_url['content']);
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$last_id = $store->getLastId();
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if (DOWNLOAD_PICTURES) {
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$content = filtre_picture($parametres_url['content'], $url, $last_id);
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}
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$msg->add('s', 'the link has been added successfully');
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}
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}
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else {
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$msg->add('e', 'the link has been added successfully');
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logm($url . ' is not a valid url');
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}
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logm('add link ' . $url);
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break;
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case 'delete':
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remove_directory(ABS_PATH . $id);
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$store->deleteById($id);
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$msg->add('s', 'the link has been deleted successfully');
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logm('delete link #' . $id);
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break;
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case 'toggle_fav' :
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$store->favoriteById($id);
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$msg->add('s', 'the favorite toggle has been done successfully');
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logm('mark as favorite link #' . $id);
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break;
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case 'toggle_archive' :
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$store->archiveById($id);
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$msg->add('s', 'the archive toggle has been done successfully');
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logm('archive link #' . $id);
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break;
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default:
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break;
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}
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}
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function logm($message)
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{
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$t = strval(date('Y/m/d_H:i:s')).' - '.$_SERVER["REMOTE_ADDR"].' - '.strval($message)."\n";
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file_put_contents('./log.txt',$t,FILE_APPEND);
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} |