add Twig & refactor poche

inc/poche/pochePictures.php

@@ -0,0 +1,114 @@
+<?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
+ */
+
+/**
+ * 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);
+
+    if(file_exists($fullpath)) {
+        unlink($fullpath);
+    }
+    $fp = fopen($fullpath, 'x');
+    fwrite($fp, $rawdata);
+    fclose($fp);
+}
+
+/**
+ * Crée un répertoire de médias pour l'article
+ */
+function create_assets_directory($id)
+{
+    $assets_path = ABS_PATH;
+    if(!is_dir($assets_path)) {
+        mkdir($assets_path, 0705);
+    }
+
+    $article_directory = $assets_path . $id;
+    if(!is_dir($article_directory)) {
+        mkdir($article_directory, 0705);
+    }
+
+    return $article_directory;
+}
+
+/**
+ * Suppression du répertoire d'images
+ */
+function remove_directory($directory)
+{
+    if(is_dir($directory)) {
+        $files = array_diff(scandir($directory), array('.','..'));
+        foreach ($files as $file) {
+            (is_dir("$directory/$file")) ? remove_directory("$directory/$file") : unlink("$directory/$file");
+        }
+        return rmdir($directory);
+    }
+}