X-Git-Url: https://git.immae.eu/?a=blobdiff_plain;f=src%2FWallabag%2FCoreBundle%2FHelper%2FContentProxy.php;h=74130be8ecc4fc8fbdf66a86cbda37d179757bc6;hb=60599679519e819301ce36185c3dd5ca7aa7f4ec;hp=007ee8bbe9cb8fd8049ec830836532e0e9c1fbee;hpb=e07fadea76aa7329c4b955a59e74cb867c733706;p=github%2Fwallabag%2Fwallabag.git

diff --git a/src/Wallabag/CoreBundle/Helper/ContentProxy.php b/src/Wallabag/CoreBundle/Helper/ContentProxy.php
index 007ee8bb..74130be8 100644
--- a/src/Wallabag/CoreBundle/Helper/ContentProxy.php
+++ b/src/Wallabag/CoreBundle/Helper/ContentProxy.php
@@ -321,41 +321,105 @@ class ContentProxy
      */
     private function updateOriginUrl(Entry $entry, $url)
     {
-        if (!empty($url) && $entry->getUrl() !== $url) {
-            $parsed_entry_url = parse_url($entry->getUrl());
-            $parsed_content_url = parse_url($url);
-
-            $diff_ec = array_diff_assoc($parsed_entry_url, $parsed_content_url);
-            $diff_ce = array_diff_assoc($parsed_content_url, $parsed_entry_url);
-
-            $diff = array_merge($diff_ec, $diff_ce);
-            $diff_keys = array_keys($diff);
-            sort($diff_keys);
-
-            switch ($diff_keys) {
-                case ['path']:
-                    if (($parsed_entry_url['path'] . '/' === $parsed_content_url['path']) // diff is trailing slash, we only replace the url of the entry
-                        || ($url === urldecode($entry->getUrl()))) { // we update entry url if new url is a decoded version of it, see EntryRepository#findByUrlAndUserId
-                        $entry->setUrl($url);
-                    }
-                    break;
-                case ['scheme']:
-                    $entry->setUrl($url);
-                    break;
-                case ['fragment']:
-                case ['query']:
-                    // noop
-                    break;
-                default:
-                    if (empty($entry->getOriginUrl())) {
-                        $entry->setOriginUrl($entry->getUrl());
-                    }
+        if (empty($url) || $entry->getUrl() === $url) {
+            return false;
+        }
+
+        $parsed_entry_url = parse_url($entry->getUrl());
+        $parsed_content_url = parse_url($url);
+
+        /**
+         * The following part computes the list of part changes between two
+         * parse_url arrays.
+         *
+         * As array_diff_assoc only computes changes to go from the left array
+         * to the right one, we make two differents arrays to have both
+         * directions. We merge these two arrays and sort keys before passing
+         * the result to the switch.
+         *
+         * The resulting array gives us all changing parts between the two
+         * urls: scheme, host, path, query and/or fragment.
+         */
+        $diff_ec = array_diff_assoc($parsed_entry_url, $parsed_content_url);
+        $diff_ce = array_diff_assoc($parsed_content_url, $parsed_entry_url);
+
+        $diff = array_merge($diff_ec, $diff_ce);
+        $diff_keys = array_keys($diff);
+        sort($diff_keys);
+
+        if ($this->ignoreUrl($entry->getUrl())) {
+            $entry->setUrl($url);
+            return false;
+        }
+
+        /**
+         * This switch case lets us apply different behaviors according to
+         * changing parts of urls.
+         *
+         * As $diff_keys is an array, we provide arrays as cases. ['path'] means
+         * 'only the path is different between the two urls' whereas
+         * ['fragment', 'query'] means 'only fragment and query string parts are
+         * different between the two urls'.
+         * 
+         * Note that values in $diff_keys are sorted.
+         */
+        switch ($diff_keys) {
+            case ['path']:
+                if (($parsed_entry_url['path'] . '/' === $parsed_content_url['path']) // diff is trailing slash, we only replace the url of the entry
+                    || ($url === urldecode($entry->getUrl()))) { // we update entry url if new url is a decoded version of it, see EntryRepository#findByUrlAndUserId
                     $entry->setUrl($url);
-                    break;
-            }
+                }
+                break;
+            case ['scheme']:
+                $entry->setUrl($url);
+                break;
+            case ['fragment']:
+                // noop
+                break;
+            default:
+                if (empty($entry->getOriginUrl())) {
+                    $entry->setOriginUrl($entry->getUrl());
+                }
+                $entry->setUrl($url);
+                break;
         }
     }
 
+    /**
+     * Check entry url against an ignore list to replace with content url.
+     *
+     * XXX: move the ignore list in the database to let users handle it
+     *
+     * @param string $url url to test
+     *
+     * @return bool true if url matches ignore list otherwise false
+     */
+    private function ignoreUrl($url)
+    {
+        $ignored_hosts = ['feedproxy.google.com', 'feeds.reuters.com'];
+        $ignored_patterns = ['https?://www\.lemonde\.fr/tiny.*'];
+
+        $parsed_url = parse_url($url);
+
+        $filtered = array_filter($ignored_hosts, function ($var) use ($parsed_url) {
+            return $var === $parsed_url['host'];
+        });
+
+        if ([] !== $filtered) {
+            return true;
+        }
+
+        $filtered = array_filter($ignored_patterns, function ($var) use ($url) {
+            return preg_match("`$var`i", $url);
+        });
+
+        if ([] !== $filtered) {
+            return true;
+        }
+
+        return false;
+    }
+
     /**
      * Validate that the given content has at least a title, an html and a url.
      *