+ logm('error during url preparation');
+ return FALSE;
+}
+
+/**
+ * On modifie les URLS des images dans le corps de l'article
+ */
+function filtre_picture($content, $url, $id)
+{
+ $matches = array();
+ preg_match_all('#<\s*(img)[^>]+src="([^"]*)"[^>]*>#Si', $content, $matches, PREG_SET_ORDER);
+ foreach($matches as $i => $link)
+ {
+ $link[1] = trim($link[1]);
+ if (!preg_match('#^(([a-z]+://)|(\#))#', $link[1]) )
+ {
+ $absolute_path = get_absolute_link($link[2],$url);
+ $filename = basename(parse_url($absolute_path, PHP_URL_PATH));
+ $directory = create_assets_directory($id);
+ $fullpath = $directory . '/' . $filename;
+ download_pictures($absolute_path, $fullpath);
+ $content = str_replace($matches[$i][2], $fullpath, $content);
+ }
+
+ }
+
+ return $content;
+}
+
+/**
+ * Retourne le lien absolu
+ */
+function get_absolute_link($relative_link, $url)
+{
+ /* return if already absolute URL */
+ if (parse_url($relative_link, PHP_URL_SCHEME) != '') return $relative_link;
+
+ /* queries and anchors */
+ if ($relative_link[0]=='#' || $relative_link[0]=='?') return $url . $relative_link;
+
+ /* parse base URL and convert to local variables:
+ $scheme, $host, $path */
+ extract(parse_url($url));
+
+ /* remove non-directory element from path */
+ $path = preg_replace('#/[^/]*$#', '', $path);
+
+ /* destroy path if relative url points to root */
+ if ($relative_link[0] == '/') $path = '';
+
+ /* dirty absolute URL */
+ $abs = $host . $path . '/' . $relative_link;
+
+ /* replace '//' or '/./' or '/foo/../' with '/' */
+ $re = array('#(/\.?/)#', '#/(?!\.\.)[^/]+/\.\./#');
+ for($n=1; $n>0; $abs=preg_replace($re, '/', $abs, -1, $n)) {}
+
+ /* absolute URL is ready! */
+ return $scheme.'://'.$abs;
+}
+
+/**
+ * Téléchargement des images
+ */
+
+function download_pictures($absolute_path, $fullpath)
+{
+ $rawdata = get_external_file($absolute_path);