function obfuscate($email) moved to common.php; used in parser and some plugins

darcs-hash:20050902150527-283c4-dae58038c70aacb000f535e8173fa263ba774f52.gz

2 files changed, 30 insertions, 32 deletions

diff --git a/inc/common.php b/inc/common.php
index 5358d5d2e..9d108d77c 100644
--- a/inc/common.php
+++ b/inc/common.php
@@ -893,6 +893,31 @@ function filesize_h($size, $dec = 1){
 }
 
 /**
+ * return an obfuscated email address in line with $conf['mailguard'] setting
+ *
+ * @author Harry Fuecks <hfuecks@gmail.com>
+ * @author Christopher Smith <chris@jalakai.co.uk>
+ */
+function obfuscate($email) {
+  global $conf;
+  
+  switch ($conf['mailguard']) {
+    case 'visible' :
+      $obfuscate = array('@' => ' [at] ', '.' => ' [dot] ', '-' => ' [dash] ');
+      return strtr($email, $obfuscate);
+      
+    case 'hex' :
+      $encode = '';
+      for ($x=0; $x < strlen($email); $x++) $encode .= '&#x' . bin2hex($email{$x}).';';
+      return $encode;
+      
+    case 'none' :
+    default :
+      return $email;
+  }            
+}
+
+/**
  * Return DokuWikis version
  *
  * @author Andreas Gohr <andi@splitbrain.org>
diff --git a/inc/parser/xhtml.php b/inc/parser/xhtml.php
index cde1468ac..bba85b7e7 100644
--- a/inc/parser/xhtml.php
+++ b/inc/parser/xhtml.php
@@ -672,39 +672,12 @@ class Doku_Renderer_xhtml extends Doku_Renderer {
             $link['class']='media';
         }
 
-        //shields up
-        if($conf['mailguard']=='visible'){
-            //the mail name gets some visible encoding
-            $address = str_replace('@',' [at] ',$address);
-            $address = str_replace('.',' [dot] ',$address);
-            $address = str_replace('-',' [dash] ',$address);
-
-            $title   = $this->_xmlEntities($address);
-            if(empty($name)){
-                $name = $this->_xmlEntities($address);
-            }else{
-                $name = $this->_xmlEntities($name);
-            }
-        }elseif($conf['mailguard']=='hex'){
-            //encode every char to a hex entity
-            for ($x=0; $x < strlen($address); $x++) {
-                $encode .= '&#x' . bin2hex($address[$x]).';';
-            }
-            $address = $encode;
-            $title   = $encode;
-            if(empty($name)){
-                $name = $encode;
-            }else{
-                $name = $this->_xmlEntities($name);
-            }
+        $address = obfuscate($address);
+        $title   = $address;
+        if(empty($name)){
+            $name = $address;
         }else{
-            //keep address as is
-            $title   = $this->_xmlEntities($address);
-            if(empty($name)){
-                $name = $this->_xmlEntities($address);
-            }else{
-                $name = $this->_xmlEntities($name);
-            }
+            $name = $this->_xmlEntities($name);
         }
         
         $link['url']   = 'mailto:'.rawurlencode($address);