Prevent endless recursive sent subfolder names - see: http://thread.gmane.org/gmane...
[squirrelmail.git] / class / mime / Rfc822Header.class.php
index 68519a00ec78610be1baa391927cd179fc0dbf8e..57a44d6eb4b657ddaacc8b10e31cbf35d480023a 100644 (file)
@@ -5,7 +5,7 @@
  *
  * This file contains functions needed to handle headers in mime messages.
  *
- * @copyright © 2003-2006 The SquirrelMail Project Team
+ * @copyright 2003-2012 The SquirrelMail Project Team
  * @license http://opensource.org/licenses/gpl-license.php GNU Public License
  * @version $Id$
  * @package squirrelmail
@@ -29,6 +29,11 @@ class Rfc822Header {
      * @var mixed
      */
     var $date = -1;
+    /**
+     * Original date header as fallback for unparsable dates
+     * @var mixed
+     */
+    var $date_unparsed = '';
     /**
      * Subject header
      * @var string
@@ -234,6 +239,7 @@ class Rfc822Header {
                 $d = strtr($value, array('  ' => ' '));
                 $d = explode(' ', $d);
                 $this->date = getTimeStamp($d);
+                $this->date_unparsed = strtr($value,'<>','  ');
                 break;
             case 'subject':
                 $this->subject = $value;
@@ -343,7 +349,7 @@ class Rfc822Header {
                 $value = $this->stripComments($value);
                 $this->mlist('id', $value);
                 break;
-           case 'x-spam-status':
+            case 'x-spam-status':
                 $this->x_spam_status = $this->parseSpamStatus($value);
                 break;
             default:
@@ -503,7 +509,7 @@ class Rfc822Header {
             $sComment = trim(implode(' ',$aComment));
             $sPersonal .= $sComment;
         }
-        $oAddr =& new AddressStructure();
+        $oAddr = new AddressStructure();
         if ($sPersonal && substr($sPersonal,0,2) == '=?') {
             $oAddr->personal = encodeHeader($sPersonal);
         } else {
@@ -560,7 +566,7 @@ class Rfc822Header {
                 if ($sGroup) {
                     $aAddress[] = $this->createAddressObject($aStack,$aComment,$sEmail,$sGroup);
                     $oAddr = end($aAddress);
-                    if(!$oAddr || ((isset($oAddr)) && !$oAddr->mailbox && !$oAddr->personal)) {
+                    if(!$oAddr || ((isset($oAddr)) && !strlen($oAddr->mailbox) && !$oAddr->personal)) {
                         $sEmail = $sGroup . ':;';
                     }
                     $aAddress[] = $this->createAddressObject($aStack,$aComment,$sEmail,$sGroup);
@@ -601,8 +607,13 @@ class Rfc822Header {
                          $aAddrBookAddress = $this->parseAddress($aAddr['email'],true);
                      } else {
                          $iPosAt = strpos($aAddr['email'], '@');
-                         $oAddr->mailbox = substr($aAddr['email'], 0, $iPosAt);
-                         $oAddr->host = substr($aAddr['email'], $iPosAt+1);
+                         if ($iPosAt === FALSE) {
+                             $oAddr->mailbox = $aAddr['email'];
+                             $oAddr->host = FALSE;
+                         } else {
+                             $oAddr->mailbox = substr($aAddr['email'], 0, $iPosAt);
+                             $oAddr->host = substr($aAddr['email'], $iPosAt+1);
+                         } 
                          if (isset($aAddr['name'])) {
                              $oAddr->personal = $aAddr['name'];
                          } else {
@@ -611,18 +622,18 @@ class Rfc822Header {
                      }
                  }
             }
-            if (!$grouplookup && !$oAddr->mailbox) {
+            if (!$grouplookup && !strlen($oAddr->mailbox)) {
                 $oAddr->mailbox = trim($sEmail);
-                if ($sHost && $oAddr->mailbox) {
+                if ($sHost && strlen($oAddr->mailbox)) {
                     $oAddr->host = $sHost;
                 }
             } else if (!$grouplookup && !$oAddr->host) {
-                if ($sHost && $oAddr->mailbox) {
+                if ($sHost && strlen($oAddr->mailbox)) {
                     $oAddr->host = $sHost;
                 }
             }
           }
-          if (!$aAddrBookAddress && $oAddr->mailbox) {
+          if (!$aAddrBookAddress && strlen($oAddr->mailbox)) {
               $aProcessedAddress[] = $oAddr;
           } else {
               $aProcessedAddress = array_merge($aProcessedAddress,$aAddrBookAddress);
@@ -631,7 +642,10 @@ class Rfc822Header {
         if ($ar) {
             return $aProcessedAddress;
         } else {
-            return $aProcessedAddress[0];
+            if (isset($aProcessedAddress[0]))
+                return $aProcessedAddress[0];
+            else
+                return '';
         }
     }
 
@@ -642,15 +656,16 @@ class Rfc822Header {
      * X-MS-Mail-Priority is not parsed because it always coincides
      * with one of the other headers.
      *
-     * NOTE: this is actually a duplicate from the function in
-     * functions/imap_messages. I'm not sure if it's ok here to call
+     * NOTE: this is actually a duplicate from the code in
+     * functions/imap_messages:parseFetch().
+     * I'm not sure if it's ok here to call
      * that function?
      * @param string $sValue literal priority name
      * @return integer
      */
     function parsePriority($sValue) {
         // don't use function call inside array_shift.
-        $aValue = split('/\w/',trim($sValue));
+        $aValue = preg_split('/\s/',trim($sValue));
         $value = strtolower(array_shift($aValue));
 
         if ( is_numeric($value) ) {
@@ -847,14 +862,20 @@ class Rfc822Header {
      * @param mixed $arr string or array of strings
      * @param string $separator
      * @param boolean $encoded (since 1.4.0) return encoded or plain text addresses
+     * @param boolean $unconditionally_quote (since 1.4.21/1.5.2) When TRUE, always
+     *                                                      quote the personal part,
+     *                                                      whether or not it is
+     *                                                      encoded, otherwise quoting
+     *                                                      is only added if the
+     *                                                      personal part is not encoded
      * @return string
      */
-    function getAddr_s($arr, $separator = ',',$encoded=false) {
+    function getAddr_s($arr, $separator = ', ', $encoded=false, $unconditionally_quote=FALSE) {
         $s = '';
 
         if (is_array($arr)) {
             foreach($arr as $arg) {
-                if ($this->getAddr_s($arg, $separator, $encoded)) {
+                if ($this->getAddr_s($arg, $separator, $encoded, $unconditionally_quote)) {
                     $s .= $separator;
                 }
             }
@@ -865,9 +886,9 @@ class Rfc822Header {
                 foreach ($addr as $addr_o) {
                     if (is_object($addr_o)) {
                         if ($encoded) {
-                            $s .= $addr_o->getEncodedAddress() . $separator;
+                            $s .= $addr_o->getEncodedAddress($unconditionally_quote) . $separator;
                         } else {
-                            $s .= $addr_o->getAddress() . $separator;
+                            $s .= $addr_o->getAddress(TRUE, FALSE, $unconditionally_quote) . $separator;
                         }
                     }
                 }
@@ -875,9 +896,9 @@ class Rfc822Header {
             } else {
                 if (is_object($addr)) {
                     if ($encoded) {
-                        $s .= $addr->getEncodedAddress();
+                        $s .= $addr->getEncodedAddress($unconditionally_quote);
                     } else {
-                        $s .= $addr->getAddress();
+                        $s .= $addr->getAddress(TRUE, FALSE, $unconditionally_quote);
                     }
                 }
             }
@@ -928,6 +949,7 @@ class Rfc822Header {
     }
 
     /**
+//FIXME: This needs some documentation (inside the function too)!  Don't code w/out comments!
      * @param mixed $address array or string
      * @param boolean $recurs
      * @return mixed array, boolean
@@ -950,13 +972,14 @@ class Rfc822Header {
             }
         } else {
             if (!is_array($this->cc)) $this->cc = array();
+            if (!is_array($this->to)) $this->to = array();
             $srch_addr = $this->parseAddress($address);
             $results = array();
             foreach ($this->to as $to) {
-                if ($to->host == $srch_addr->host) {
-                    if ($to->mailbox == $srch_addr->mailbox) {
+                if (strtolower($to->host) == strtolower($srch_addr->host)) {
+                    if (strtolower($to->mailbox) == strtolower($srch_addr->mailbox)) {
                         $results[] = $srch_addr;
-                        if ($to->personal == $srch_addr->personal) {
+                        if (strtolower($to->personal) == strtolower($srch_addr->personal)) {
                             if ($recurs) {
                                 return array($results, true);
                             } else {
@@ -967,10 +990,10 @@ class Rfc822Header {
                 }
             }
             foreach ($this->cc as $cc) {
-                if ($cc->host == $srch_addr->host) {
-                    if ($cc->mailbox == $srch_addr->mailbox) {
+                if (strtolower($cc->host) == strtolower($srch_addr->host)) {
+                    if (strtolower($cc->mailbox) == strtolower($srch_addr->mailbox)) {
                         $results[] = $srch_addr;
-                        if ($cc->personal == $srch_addr->personal) {
+                        if (strtolower($cc->personal) == strtolower($srch_addr->personal)) {
                             if ($recurs) {
                                 return array($results, true);
                             } else {