mirror of
https://github.com/wallabag/wallabag.git
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111 lines
3 KiB
PHP
111 lines
3 KiB
PHP
<?php
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/**
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* wallabag, self hostable application allowing you to not miss any content anymore
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*
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* @category wallabag
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* @author Nicolas Lœuillet <nicolas@loeuillet.org>
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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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* 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 => $link) {
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$link[1] = trim($link[1]);
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if (!preg_match('#^(([a-z]+://)|(\#))#', $link[1])) {
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$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, $url) {
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/* return if already absolute URL */
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if (parse_url($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 = Tools::getFile($absolute_path);
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if(file_exists($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, 0715);
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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, 0715);
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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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