From d84094362165524ce64fb2f0a588a376efa96c68 Mon Sep 17 00:00:00 2001
From: friendica <info@friendica.com>
Date: Tue, 17 Jan 2012 16:30:32 -0800
Subject: [PATCH] use reltoabs - primarily for github activity feeds

---
 include/items.php |  7 +++++++
 include/text.php  | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 41 insertions(+)

diff --git a/include/items.php b/include/items.php
index 0bd77582a5..a939bfc88b 100644
--- a/include/items.php
+++ b/include/items.php
@@ -295,6 +295,11 @@ function get_atom_elements($feed,$item) {
 	$res['body'] = unxmlify($item->get_content());
 	$res['plink'] = unxmlify($item->get_link(0));
 
+	if($res['plink'])
+		$base_url = implode('/', array_slice(explode('/',$res['plink']),0,3));
+	else
+		$base_url = '';
+
 	// look for a photo. We should check media size and find the best one,
 	// but for now let's just find any author photo
 
@@ -414,6 +419,8 @@ function get_atom_elements($feed,$item) {
 
 	if((strpos($res['body'],'<') !== false) || (strpos($res['body'],'>') !== false)) {
 
+		$res['body'] = reltoabs($res['body'],$base_url);
+
 		$res['body'] = html2bb_video($res['body']);
 
 		$res['body'] = oembed_html2bbcode($res['body']);
diff --git a/include/text.php b/include/text.php
index 1db88ca2c8..416e19927c 100644
--- a/include/text.php
+++ b/include/text.php
@@ -1065,3 +1065,37 @@ function array_xmlify($val){
 	if (is_array($val)) return array_map('array_xmlify', $val);
 	return xmlify((string) $val);
 }
+
+
+function reltoabs($text, $base)
+{
+  if (empty($base))
+    return $text;
+
+  $base = rtrim($base,'/');
+
+  $base2 = $base . "/";
+ 	
+  // Replace links
+  $pattern = "/<a([^>]*) href=\"(?!http|https|\/)([^\"]*)\"/";
+  $replace = "<a\${1} href=\"" . $base2 . "\${2}\"";
+  $text = preg_replace($pattern, $replace, $text);
+
+  $pattern = "/<a([^>]*) href=\"(?!http|https)([^\"]*)\"/";
+  $replace = "<a\${1} href=\"" . $base . "\${2}\"";
+  $text = preg_replace($pattern, $replace, $text);
+
+  // Replace images
+  $pattern = "/<img([^>]*) src=\"(?!http|https|\/)([^\"]*)\"/";
+  $replace = "<img\${1} src=\"" . $base2 . "\${2}\"";
+  $text = preg_replace($pattern, $replace, $text); 
+
+  $pattern = "/<img([^>]*) src=\"(?!http|https)([^\"]*)\"/";
+  $replace = "<img\${1} src=\"" . $base . "\${2}\"";
+  $text = preg_replace($pattern, $replace, $text); 
+
+
+  // Done
+  return $text;
+}
+