X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=lib%2Futil.php;h=629d8326fd2e0669c629587e7b3931d20ce0a4bd;hb=65bf58be806d19bc7fe962c0824160deab07d5c3;hp=1e73ff9ac9b0c1428ef2c0b25d444476c54d5b05;hpb=a5154bf612887d599d8517095da3f6fd2e0a9b28;p=quix0rs-gnu-social.git

diff --git a/lib/util.php b/lib/util.php
index 1e73ff9ac9..629d8326fd 100644
--- a/lib/util.php
+++ b/lib/util.php
@@ -787,7 +787,7 @@ function common_render_text($text)
 
     $r = preg_replace('/[\x{0}-\x{8}\x{b}-\x{c}\x{e}-\x{19}]/', '', $r);
     $r = common_replace_urls_callback($r, 'common_linkify');
-    $r = preg_replace('/(^|\&quot\;|\'|\(|\[|\{|\s+)#([\pL\pN_\-\.]{1,64})/e', "'\\1#'.common_tag_link('\\2')", $r);
+    $r = preg_replace('/(^|\&quot\;|\'|\(|\[|\{|\s+)#([\pL\pN_\-\.]{1,64})/ue', "'\\1#'.common_tag_link('\\2')", $r);
     // XXX: machine tags
     return $r;
 }
@@ -925,11 +925,11 @@ function common_linkify($url) {
     // functions
     $url = htmlspecialchars_decode($url);
 
-   if(strpos($url, '@') !== false && strpos($url, ':') === false) {
-       //url is an email address without the mailto: protocol
-       $canon = "mailto:$url";
-       $longurl = "mailto:$url";
-   }else{
+    if (strpos($url, '@') !== false && strpos($url, ':') === false && Validate::email($url)) {
+        //url is an email address without the mailto: protocol
+        $canon = "mailto:$url";
+        $longurl = "mailto:$url";
+    } else {
 
         $canon = File_redirection::_canonUrl($url);
 
@@ -1096,8 +1096,11 @@ function common_tag_link($tag)
 
 function common_canonical_tag($tag)
 {
+  // only alphanum
+  $tag = preg_replace('/[^\pL\pN]/u', '', $tag);
   $tag = mb_convert_case($tag, MB_CASE_LOWER, "UTF-8");
-  return str_replace(array('-', '_', '.'), '', $tag);
+  $tag = substr($tag, 0, 64);
+  return $tag;
 }
 
 function common_valid_profile_tag($str)