From 7c05b0dafc609e978040e5612f6f6a86b0bb6420 Mon Sep 17 00:00:00 2001
From: Evan Prodromou <evan@status.net>
Date: Mon, 18 Oct 2010 11:29:52 -0400
Subject: options to nofollow external links in notices

---
 lib/util.php | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

(limited to 'lib/util.php')

diff --git a/lib/util.php b/lib/util.php
index c05fcf15a..5a94182bd 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -145,7 +145,6 @@ function common_switch_locale($language=null)
     textdomain("statusnet");
 }
 
-
 function common_timezone()
 {
     if (common_logged_in()) {
@@ -860,7 +859,8 @@ function common_linkify($url) {
             $longurl = $url;
         }
     }
-    $attrs = array('href' => $canon, 'title' => $longurl, 'rel' => 'external');
+
+    $attrs = array('href' => $canon, 'title' => $longurl);
 
     $is_attachment = false;
     $attachment_id = null;
@@ -896,6 +896,16 @@ function common_linkify($url) {
         $attrs['id'] = "attachment-{$attachment_id}";
     }
 
+    // Whether to nofollow
+
+    $nf = common_config('nofollow', 'external');
+
+    if ($nf == 'never') {
+        $attrs['rel'] = 'external';
+    } else {
+        $attrs['rel'] = 'nofollow external';
+    }
+
     return XMLStringer::estring('a', $attrs, $url);
 }
 
-- 
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