From 600bd4aa491ff8f3e36ba76c9540c1ddaaaa95d8 Mon Sep 17 00:00:00 2001
From: garvinhicking <garvinhicking>
Date: Tue, 23 Aug 2005 11:34:02 +0000
Subject: [PATCH] Fix some Atom parsing issues, and fix GUID when using
 permalinks without %id%. Thanks to Riscky!

---
 include/functions.inc.php | 21 ++++++++++++++++++++-
 rss.php                   |  3 ++-
 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/include/functions.inc.php b/include/functions.inc.php
index 9ae649b..36e5038 100644
--- a/include/functions.inc.php
+++ b/include/functions.inc.php
@@ -282,7 +282,26 @@ function serendipity_utf8_encode($string) {
 }
 
 function serendipity_rss_getguid($entry, $comments = false) {
-    $guid = serendipity_archiveURL((isset($entry['entryid']) && $entry['entryid'] != '' ? $entry['entryid'] : $entry['id']), 'guid', 'baseURL', true, array('timestamp' => $entry['timestamp']));
+    global $serendipity;
+
+    $id = (isset($entry['entryid']) && $entry['entryid'] != '' ? $entry['entryid'] : $entry['id']);
+
+    // When using %id%, we can make the GUID shorter and independent from the title.
+    // If not using %id%, the entryid needs to be used for uniqueness.
+    if (stristr($serendipity['permalinkStructure'], '%id%') !== FALSE) {
+        $title = 'guid';
+    } else {
+        $title = $id;
+    }
+
+    $guid = serendipity_archiveURL(
+        $id, 
+        $title, 
+        'baseURL', 
+        true, 
+        array('timestamp' => $entry['timestamp'])
+    );
+
     if ($comments == true) {
         $guid .= '#c' . $entry['commentid'];
     }
diff --git a/rss.php b/rss.php
index 3d05a54..0a685c5 100644
--- a/rss.php
+++ b/rss.php
@@ -121,6 +121,7 @@ if (is_array($plugins)) {
 
 serendipity_plugin_api::hook_event('frontend_rss', $metadata);
 
+$self_url = 'http://' . $_SERVER['HTTP_HOST'] . htmlspecialchars($_SERVER['REQUEST_URI']);
 echo '<?xml version="1.0" encoding="utf-8" ?>';
 
 if (strstr($version, 'atom')) {
@@ -284,7 +285,7 @@ case 'atom1.0':
    xmlns:admin="http://webns.net/mvcb/"
    xmlns:slash="http://purl.org/rss/1.0/modules/slash/"
    xmlns:wfw="http://wellformedweb.org/CommentAPI/">
-    <link href="{$serendipity['baseURL']}rss.php?version=atom1.0" rel="self" title="{$metadata['title']}" type="application/x.atom+xml" />
+    <link href="{$self_url}" rel="self" title="{$metadata['title']}" type="application/x.atom+xml" />
     <link href="{$serendipity['baseURL']}"                        rel="alternate"    title="{$metadata['title']}" type="text/html" />
     <link href="{$serendipity['baseURL']}rss.php?version=2.0"     rel="alternate"    title="{$metadata['title']}" type="application/rss+xml" />
     <title type="html">{$metadata['title']}</title>
-- 
2.39.5