Imported Upstream version 0.3

[roundcube.git] / program / include / rcube_string_replacer.php

diff --git a/program/include/rcube_string_replacer.php b/program/include/rcube_string_replacer.php
index fe082a583c98b1e57a0f1658058dafab72dd917d..2625fdfb9a8b34b7bff594c3975c99e6f85bb000 100644 (file)
--- a/program/include/rcube_string_replacer.php
+++ b/program/include/rcube_string_replacer.php
@@ -28,10 +28,20 @@
 class rcube_string_replacer
 {
   public static $pattern = '/##str_replacement\[([0-9]+)\]##/';
-
+  public $mailto_pattern;
+  public $link_pattern;
   private $values = array();
 
 
+  function __construct()
+  {
+    $url_chars = 'a-z0-9_\-\+\*\$\/&%=@#:;';
+    $url_chars_within = '\?\.~,!';
+
+    $this->link_pattern = "/([\w]+:\/\/|\Wwww\.)([a-z0-9\-\.]+[a-z]{2,4}([$url_chars$url_chars_within]*[$url_chars])?)/i";
+    $this->mailto_pattern = "/([a-z0-9][a-z0-9\-\.\+\_]*@[a-z0-9]([a-z0-9\-][.]?)*[a-z0-9]\\.[a-z]{2,5})/i";
+  }
+
   /**
    * Add a string to the internal list
    *
@@ -64,16 +74,17 @@ class rcube_string_replacer
     $i = -1;
     $scheme = strtolower($matches[1]);
 
-    if ($scheme == 'http' || $scheme == 'https' || $scheme == 'ftp') {
-      $url = $matches[1] . '://' . $matches[2];
-      $i = $this->add(html::a(array('href' => $url, 'target' => "_blank"), Q($url)));
+    if (preg_match('!^(http|ftp|file)s?://!', $scheme)) {
+      $url = $matches[1] . $matches[2];
+      $i = $this->add(html::a(array('href' => $url, 'target' => '_blank'), Q($url)));
     }
-    else if ($matches[2] == 'www.') {
-      $url = $matches[2] . $matches[3];
-      $i = $this->add($matches[1] . html::a(array('href' => 'http://' . $url, 'target' => "_blank"), Q($url)));
+    else if (preg_match('/^(\W)www\.$/', $matches[1], $m)) {
+      $url = 'www.' . $matches[2];
+      $i = $this->add($m[1] . html::a(array('href' => 'http://' . $url, 'target' => '_blank'), Q($url)));
     }
 
-    return $i >= 0 ? $this->get_replacement($i) : '';
+    // Return valid link for recognized schemes, otherwise, return the unmodified string for unrecognized schemes.
+    return $i >= 0 ? $this->get_replacement($i) : $matches[0];
   }
 
   /**