Prevent endless recursive sent subfolder names - see: http://thread.gmane.org/gmane...

[squirrelmail.git] / class / mime / AddressStructure.class.php

diff --git a/class/mime/AddressStructure.class.php b/class/mime/AddressStructure.class.php
index 7621b8f3b2cbb5da9179876cdb8572dd1d86707f..259804fe93d81ba096fc8120624653e509ff627a 100644 (file)
--- a/class/mime/AddressStructure.class.php
+++ b/class/mime/AddressStructure.class.php
@@ -3,30 +3,84 @@
 /**
  * AddressStructure.class.php
  *
- * Copyright (c) 2003 The SquirrelMail Project Team
- * Licensed under the GNU GPL. For full terms see the file COPYING.
+ * This file contains functions needed to extract email address headers from
+ * mime messages.
  *
- * This contains functions needed to handle mime messages.
- *
- * $Id$
+ * @copyright 2003-2012 The SquirrelMail Project Team
+ * @license http://opensource.org/licenses/gpl-license.php GNU Public License
+ * @version $Id$
+ * @package squirrelmail
+ * @subpackage mime
+ * @since 1.3.2
  */
 
+/**
+ * Class used to work with email address headers
+ * @package squirrelmail
+ * @subpackage mime
+ * @since 1.3.2
+ */
 class AddressStructure {
-    var $personal = '',
-        $adl      = '',
-        $mailbox  = '',
-        $host     = '',
-        $group    = '';
+    /**
+     * Personal information
+     * @var string
+     */
+    var $personal = '';
+    /**
+     * @todo check use of this variable. var is not used in class.
+     * @var string
+     */
+    var $adl      = '';
+    /**
+     * Mailbox name.
+     * @var string
+     */
+    var $mailbox  = '';
+    /**
+     * Server address.
+     * @var string
+     */
+    var $host     = '';
+    /**
+     * @todo check use of this variable. var is not used in class.
+     * @var string
+     */
+    var $group    = '';
 
-    function getAddress($full = true) {
+    /**
+     * Return address information from mime headers.
+     * @param boolean $full return full address (true) or only personal if it exists, otherwise email (false)
+     * @param boolean $encoded (since 1.4.0) return rfc2047 encoded address (true) or plain text (false).
+     * @param boolean $unconditionally_quote (since 1.4.21/1.5.2) when TRUE, always quote the personal part, whether or not it is encoded, otherwise quoting is only added if the personal part is not encoded
+     *
+     * @return string
+     */
+    function getAddress($full = true, $encoded = false, $unconditionally_quote = FALSE) {
         $result = '';
-
         if (is_object($this)) {
             $email = ($this->host ? $this->mailbox.'@'.$this->host
-                                 : $this->mailbox);
-            if (trim($this->personal)) {
-               $addr = ($email ? '"' . $this->personal . '" <' .$email.'>'
-                               : $this->personal);
+                                  : $this->mailbox);
+            $personal = trim($this->personal);
+            $is_encoded = false;
+            if (preg_match('/(=\?([^?]*)\?(Q|B)\?([^?]*)\?=)(.*)/i',$personal,$reg)) {
+                $is_encoded = true;
+            }
+            if ($personal) {
+                if ($encoded && !$is_encoded) {
+                    $personal_encoded = encodeHeader('"' . $personal . '"');
+                    if ($personal !== $personal_encoded) {
+                        $personal = $personal_encoded;
+                    } else {
+                        //FIXME: this probably adds quotes around an encoded string which itself is already quoted
+                        $personal = '"' . $this->personal . '"';
+                    }
+                } else {
+                    if (!$is_encoded || $unconditionally_quote) {
+                        $personal = '"' . $this->personal . '"';
+                    }
+                }
+                $addr = ($email ? $personal . ' <' .$email.'>'
+                        : $this->personal);
                 $best_dpl = $this->personal;
             } else {
                 $addr = $email;
@@ -36,6 +90,29 @@ class AddressStructure {
         }
         return $result;
     }
-}
 
-?>
+    /**
+     * Shorter version of getAddress() function
+     * Returns full encoded address.
+     * @param boolean $unconditionally_quote (since 1.4.21/1.5.2) when TRUE, always quote the personal part, whether or not it is encoded, otherwise quoting is only added if the personal part is not encoded
+     *
+     * @return string
+     * @since 1.4.0
+     */
+    function getEncodedAddress($unconditionally_quote=FALSE) {
+        return $this->getAddress(true, true, $unconditionally_quote);
+    }
+    
+    /**
+     * Return just the email portion of this address
+     * @return string
+     * @since 1.5.2
+     */
+    function getEmail () {
+        $r = '';
+        if (is_object($this)) {
+            $r = $this->host ? $this->mailbox.'@'.$this->host : $this->mailbox;
+        }
+        return $r;
+    }
+}