From ae053ad0371d46f529a26c2a18953189620b88e4 Mon Sep 17 00:00:00 2001
From: Markus Warg <mw@it-sls.de>
Date: Wed, 14 Apr 2010 15:20:40 +0200
Subject: [PATCH] imap class / mail controller

add imap class to access captured emails
add mail controller to framework (display content)
---
 .../controllers/MailController.php            |  24 +
 .../views/scripts/mail/index.phtml            |   7 +
 manager/library/actions/ActionLogin.php       |  53 ++
 manager/library/actions/ActionMail.php        |  53 ++
 .../library/imap/exception.IMAPException.php  |  34 ++
 manager/library/imap/imapConnection.php       | 559 ++++++++++++++++++
 manager/library/imap/imapMail.php             |  16 +
 manager/library/imap/imapMailContainer.php    |  18 +
 manager/library/imap/imapParseAction.php      |  96 +++
 .../library/plugins/plugin.loginlogout.php    |   8 +-
 10 files changed, 867 insertions(+), 1 deletion(-)
 create mode 100644 manager/application/controllers/MailController.php
 create mode 100644 manager/application/views/scripts/mail/index.phtml
 create mode 100644 manager/library/actions/ActionLogin.php
 create mode 100644 manager/library/actions/ActionMail.php
 create mode 100644 manager/library/imap/exception.IMAPException.php
 create mode 100644 manager/library/imap/imapConnection.php
 create mode 100644 manager/library/imap/imapMail.php
 create mode 100644 manager/library/imap/imapMailContainer.php
 create mode 100644 manager/library/imap/imapParseAction.php

diff --git a/manager/application/controllers/MailController.php b/manager/application/controllers/MailController.php
new file mode 100644
index 0000000..afe902b
--- /dev/null
+++ b/manager/application/controllers/MailController.php
@@ -0,0 +1,24 @@
+<?php
+/**
+ * @author markus
+ * $Id: IndexController.php 6 2009-11-18 14:52:50Z markus $
+ */
+
+require_once(LIBRARY_PATH . '/imap/imapConnection.php');
+
+class MailController extends Zend_Controller_Action
+{
+
+    public function init()
+    {
+        /* Initialize action controller here */
+    }
+
+    public function indexAction()
+    {
+        // action body
+    }
+
+
+}
+
diff --git a/manager/application/views/scripts/mail/index.phtml b/manager/application/views/scripts/mail/index.phtml
new file mode 100644
index 0000000..4cbadc3
--- /dev/null
+++ b/manager/application/views/scripts/mail/index.phtml
@@ -0,0 +1,7 @@
+<?php
+/**
+ * @author markus
+ * $Id: index.phtml 25 2009-12-02 15:43:21Z markus $
+ */
+?>
+<H1><?php print I18n::_('Mail'); ?></H1>
diff --git a/manager/library/actions/ActionLogin.php b/manager/library/actions/ActionLogin.php
new file mode 100644
index 0000000..02bae86
--- /dev/null
+++ b/manager/library/actions/ActionLogin.php
@@ -0,0 +1,53 @@
+<?php
+
+require_once (FWACTIONS_PATH . '/FWAction.php');
+
+class Login extends FWAction {
+	/**
+	 * get a list of required permissions that are needed to access this action
+	 * @return array
+	 */
+	public static function getRequiredPermissions() {
+		return array();
+	}
+
+	/**
+	 * get a role that is required for accessing that action
+	 * @return string
+	 */
+	public static function getRequiredRole() {
+		return 'User';
+	}
+
+	/**
+	 * sort order for top navigation
+	 * @return integer
+	 */
+	public static function getTopNavPrio() {
+		return 1000;
+	}
+
+	/**
+	 * controller to invoke
+	 * @return string
+	 */
+	public static function getController() {
+		return 'login';
+	}
+
+	/**
+	 * action to invoke
+	 * @return string
+	 */
+	public static function getAction() {
+		return 'index';
+	}
+
+	/**
+	 * get text for menu, caller is responsible for translating
+	 * @return string
+	 */
+	public static function getMenuText() {
+		return 'Login';
+	}
+}
diff --git a/manager/library/actions/ActionMail.php b/manager/library/actions/ActionMail.php
new file mode 100644
index 0000000..4ed23de
--- /dev/null
+++ b/manager/library/actions/ActionMail.php
@@ -0,0 +1,53 @@
+<?php
+
+require_once (FWACTIONS_PATH . '/FWAction.php');
+
+class Mail extends FWAction {
+	/**
+	 * get a list of required permissions that are needed to access this action
+	 * @return array
+	 */
+	public static function getRequiredPermissions() {
+		return array();
+	}
+
+	/**
+	 * get a role that is required for accessing that action
+	 * @return string
+	 */
+	public static function getRequiredRole() {
+		return 'User';
+	}
+
+	/**
+	 * sort order for top navigation
+	 * @return integer
+	 */
+	public static function getTopNavPrio() {
+		return 100;
+	}
+
+	/**
+	 * controller to invoke
+	 * @return string
+	 */
+	public static function getController() {
+		return 'mail';
+	}
+
+	/**
+	 * action to invoke
+	 * @return string
+	 */
+	public static function getAction() {
+		return 'index';
+	}
+
+	/**
+	 * get text for menu, caller is responsible for translating
+	 * @return string
+	 */
+	public static function getMenuText() {
+		return 'Mail';
+	}
+}
diff --git a/manager/library/imap/exception.IMAPException.php b/manager/library/imap/exception.IMAPException.php
new file mode 100644
index 0000000..4672f6a
--- /dev/null
+++ b/manager/library/imap/exception.IMAPException.php
@@ -0,0 +1,34 @@
+<?php
+/**
+ * @author markus
+ * $Id: $
+ */
+
+/**
+ * required files
+ * @ignore
+ */
+require_once(LIBRARY_PATH . '/exception/exception.Base.php');
+
+/**
+ * Exceptions thrown in the IMAP classes
+ *
+ * @package SLS
+ * @subpackage CONFIG.EXCEPTION
+ * @author Markus Warg <mw@it-sls.de>
+ */
+class IMAPException extends BaseException {
+    /**
+     * make new object
+     *
+	 * @access public
+     * @param string $message
+     * @param int $code
+     * @param string $extra
+     */
+	/*
+    public function __construct($message,$code = 0,$extra = '') {
+        parent::__construct($message,$code, $extra);
+    }
+    */
+}
diff --git a/manager/library/imap/imapConnection.php b/manager/library/imap/imapConnection.php
new file mode 100644
index 0000000..f78dc3d
--- /dev/null
+++ b/manager/library/imap/imapConnection.php
@@ -0,0 +1,559 @@
+<?php
+/**
+ * @author markus
+ * $Id: $
+ */
+
+/**
+ * required files
+ * @ignore
+ */
+require_once('exception.IMAPException.php');
+
+define('IMAP_RETRIES', 5);
+
+/**
+ * Wraps PHP built in imap commands within a class, features open, hold, close connection and
+ * issue imap commands.
+ *
+ * @author markus
+ */
+class imapConnection {
+
+	/**
+	 * Array mit den bereits vorhandenen Instanzen
+	 * @var array
+	 */
+	private static $instances = array();
+
+	/**
+	 * Instanzname, die unterschiedlichen Entitäten werden über den Namen
+	 * auseinandergehalten.
+	 * @var string
+	 */
+	private $instanceName = '';
+
+	/**
+	 * Configsection
+	 * @var Config
+	 */
+	private $config = null;
+
+	/**
+	 * IMAP Resource
+	 * @var imap_stream
+	 */
+	private $imap = null;
+
+	/**
+	 * Servername, Port, Flags
+	 * @var string
+	 */
+	private $server = '';
+
+    /**
+     * Name der zuletzt geöffneten Mailbox
+     * @var string
+     */
+    private $mbox = '';
+
+	/**
+	 * wird auf true gesetzt, wenn imapPing die Connection neu aufbaut
+	 * @var boolean
+	 */
+	private $reopenedConnection = false;
+
+	/**
+	 * liefert eine Liste der verfügbaren Folder
+	 * @param string $pattern
+	 * @return array
+	 */
+	public function imapList($pattern = '*') {
+		if ($this->imap === null) {
+			throw new IMAPException(__METHOD__ . ' not connected');
+		}
+        $this->imapPing(true);
+
+		return imap_list($this->imap, $this->server, $pattern);
+	}
+
+
+	/**
+	 * Checkt die Anzahl Messages in einer Mailbox
+	 * return array
+	 */
+	public function imapCheck() {
+		if ($this->imap === null) {
+			throw new IMAPException(__METHOD__ . ' not connected');
+		}
+        $this->imapPing(true);
+
+		return imap_check($this->imap);
+	}
+
+
+	/**
+	 * per imap_reopen die aktuelle Connection auf eine andere mbox umstellen
+	 * @param string $mbox
+	 * @return boolean
+	 */
+	public function imapSwitchMbox($mbox) {
+		if ($this->imap === null) {
+			throw new IMAPException(__METHOD__ . ' not connected');
+		}
+        $this->imapPing(true);
+
+		if (imap_reopen($this->imap, $this->server.$mbox) === false) {
+			throw new IMAPException(__METHOD__ . ' reopen failed');
+		}
+
+        $this->mbox = $mbox;
+
+		return true;
+	}
+
+
+	/**
+	 * setzt ein Flag bei allen in $sequence aufgeführten Messages
+	 * @param string $sequence
+	 * @param string $flag
+	 * @param integer $options
+	 * @return boolean
+	 */
+	public function imapSetflagFull($sequence, $flag, $options = 0) {
+		if ($this->imap === null) {
+			throw new IMAPException(__METHOD__ . ' not connected');
+		}
+        $this->imapPing(true);
+
+		return imap_setflag_full($this->imap, $sequence, $flag, $options);
+	}
+
+
+	/**
+	 * liefert die Mailheader
+	 * @return array
+	 */
+	public function imapHeaders() {
+		if ($this->imap === null) {
+			throw new IMAPException(__METHOD__ . ' not connected');
+		}
+        $this->imapPing(true);
+
+		return imap_headers($this->imap);
+	}
+
+	/**
+	 * liefert die Header zu genau einer Mail mit der gegebenen ID
+	 * @param integer $number
+	 * @return array
+	 */
+	public function imapHeader($number) {
+		if ($this->imap === null) {
+			throw new IMAPException(__METHOD__ . ' not connected');
+		}
+        $this->imapPing(true);
+
+		return imap_headerinfo($this->imap, $number);
+	}
+
+	/**
+	 * liefert die Header zu genau einer Mail mit der gegebenen UID
+	 * @param integer $uid
+	 * @return array
+	 */
+	public function imapFetchHeader($uid) {
+		if ($this->imap === null) {
+			throw new IMAPException(__METHOD__ . ' not connected');
+		}
+
+		$ret = imap_fetchheader($this->imap, $uid, FT_UID);
+
+        return $ret;
+	}
+
+	/**
+	 * liefert die Header zu genau einer Mail mit der gegebenen UID
+	 * @param integer $uid
+	 * @return array
+	 */
+	public function imapFetchOverview($uid) {
+		if ($this->imap === null) {
+			throw new IMAPException(__METHOD__ . ' not connected');
+		}
+
+		$ret = imap_fetch_overview($this->imap, $uid, FT_UID);
+
+        return $ret[0];
+	}
+
+	/**
+	 * liefert den Body zu genau einer Mail mit der gegebenen ID
+	 * @param integer $number
+	 * @return string
+	 */
+	public function imapBody($number) {
+		if ($this->imap === null) {
+			throw new IMAPException(__METHOD__ . ' not connected');
+		}
+        $this->imapPing(true);
+
+		return imap_body($this->imap, $number);
+	}
+
+	/**
+	 * liefert den Body zu genau einer Mail mit der gegebenen UID
+	 * @param integer $uid
+	 * @return string
+	 */
+	public function imapBodyByUID($uid) {
+		if ($this->imap === null) {
+			throw new IMAPException(__METHOD__ . ' not connected');
+		}
+        $this->imapPing(true);
+
+		return imap_body($this->imap, $uid, FT_UID );
+	}
+
+	/**
+	 * markiert die Nachricht mit der unique ID zum löschen
+	 * @param integer $uid
+	 * return boolean
+	 */
+	public function imapDelete($uid) {
+		if ($this->imap === null) {
+			throw new IMAPException(__METHOD__ . ' not connected');
+		}
+        $this->imapPing(true);
+
+		$ret = imap_delete($this->imap, $uid, FT_UID);
+
+		if ($ret !== true) {
+			print "imap delete returned false for ".$uid."\n";
+		}
+
+		return $ret;
+	}
+
+	/**
+	 * löscht alle zum löschen markierten Nachrichten
+	 * @return boolean
+	 */
+	public function imapExpunge() {
+		if ($this->imap === null) {
+			throw new IMAPException(__METHOD__ . ' not connected');
+		}
+        $this->imapPing(true);
+
+		return imap_expunge($this->imap);
+	}
+
+	/**
+	 * kopiert die Nachricht mit der gegebenen uid in die gegebene Mailbox *auf dem selben Server*
+	 * @param integer $uid
+	 * @param string $dest_mbox
+	 * @return boolean
+	 */
+	public function imapMailCopy($uid, $dest_mbox) {
+		if ($this->imap === null) {
+			throw new IMAPException(__METHOD__ . ' not connected');
+		}
+        $this->imapPing(true);
+
+		return imap_mail_copy($this->imap, $uid, $dest_mbox, CP_UID);
+	}
+
+	/**
+	 * verschiebt die Nachricht mit der gegebenen uid in die gegebene Mailbox *auf dem selben Server*
+	 * @param integer $uid
+	 * @param string $dest_mbox
+	 * @return boolean
+	 */
+	public function imapMailMove($uid, $dest_mbox) {
+		if ($this->imap === null) {
+			throw new IMAPException(__METHOD__ . ' not connected');
+		}
+        $this->imapPing(true);
+        /*
+         * dont't add the server part,
+         * only the mailbox name works fine
+         *
+         * $dest_mbox = $this->server.$dest_mbox;
+         */
+		return imap_mail_move( $this->imap, $uid, $dest_mbox, CP_UID);
+	}
+
+	/**
+	 * legt eine neue Mailbox *auf dem selben Server* an
+	 * @param string $mbox
+	 * @return boolean
+	 */
+	public function imapCreateMailbox($mbox) {
+		if ($this->imap === null) {
+			throw new IMAPException(__METHOD__ . ' not connected');
+		}
+        $this->imapPing(true);
+
+		return imap_createmailbox($this->imap, $this->server.$mbox);
+	}
+
+	/**
+	 * fragt ab, ob eine mbox unterhalb von mbox_root existiert und liefert true zurück, falls ja
+	 * Funktion existiert nicht direkt als IMAP Kommando, aus einzelnen Kommando's zusammengebaut
+	 *
+	 * @param string $mbox_root
+	 * @param string $mbox
+	 * @return boolean
+	 */
+	public function imapMailboxExists($mbox_root, $mbox) {
+		if ($this->imap === null) {
+			throw new IMAPException(__METHOD__ . ' not connected');
+		}
+        $this->imapPing(true);
+
+		$folderlist = $this->imapList($mbox_root);
+		$foundFolder = false;
+		foreach ($folderlist as $folder) {
+			if (strpos($folder, $mbox) !== false) {
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	const AR_YYYY = 'Y';
+	const AR_YYYYMM = 'Ym';
+	const AR_YYYYMMDD = 'Ymd';
+
+	/**
+	 * erzeugt eine Archivmailbox zur Mailbox $mbox, dabei wird das Archiv unterhalb von $mbox
+	 * auf dem selben Server angelegt, der Name der Mailbox enthält je nach $mode noch einen Datumsstamp
+	 * Wenn der Input ($mbox) bereits mehrere Ebenen enthält (NOC3.domain.incoming z.B.), dann
+	 * wird automatisch nur der am weitesten rechts stehende Teil extrahiert und benutzt.
+	 * NOC3.domain.incoming => NOC3.domain.incoming.incoming-200705
+	 * @param string $mbox
+	 * @param string $mode
+	 * @param integer $timestamp
+	 * @param string $delimiter
+	 * @return string
+	 */
+	public static function imapMakeArchiveName($mbox, $mode, $timestamp = null, $delimiter = '-') {
+		if ($timestamp === null)
+			$timestamp = time();
+
+		$ar = explode('.', $mbox);
+
+		$sub_mbox = $ar[count($ar) - 1];
+
+		return $mbox.'.'.$sub_mbox.$delimiter.date($mode,$timestamp);
+	}
+
+	public static function imapMakePrefixedArchiveName($mbox, $mode, $prefix = '', $timestamp = null, $delimiter = '-') {
+		if ($timestamp === null)
+			$timestamp = time();
+
+		$ar = explode('.', $mbox);
+
+		$sub_mbox = $ar[count($ar) - 1];
+
+		return $mbox.'.'.$prefix.$delimiter.$sub_mbox.$delimiter.date($mode,$timestamp);
+	}
+
+	/**
+	 * liefert die unique ID der Nachricht mit der laufenden msg_number
+	 * @param integer $msg_number
+	 * @return integer
+	 */
+	public function imapUID($msg_number) {
+		if ($this->imap === null) {
+			throw new IMAPException(__METHOD__ . ' not connected');
+		}
+        $this->imapPing(true);
+
+		return imap_uid($this->imap, $msg_number);
+	}
+
+
+	/**
+	 * liefert die laufende msg_number der Nachricht, die die unique ID uid hat
+	 * @param integer $uid
+	 * @return integer
+	 */
+	public function imapMsgNo($uid) {
+		if ($this->imap === null) {
+			throw new IMAPException(__METHOD__ . ' not connected');
+		}
+        $this->imapPing(true);
+
+		return imap_msgno($this->imap, $uid);
+	}
+
+
+	/**
+	 * prüft, ob die Connection noch aktiv ist, Exception falls keine Connection definiert ist,
+     * oder die Connection geschlossen wurde
+     * wenn reconnect = true, dann wird bei einer geschlossenen Connection die Connection neu aufgebaut
+     * @param boolean $reconnect
+	 * @return boolean
+	 */
+	public function imapPing($reconnect = false) {
+		if ($this->imap === null) {
+			throw new IMAPException(__METHOD__ . ' not connected');
+		}
+
+		$ret = imap_ping($this->imap);
+
+        if ($ret === false) {
+            if ($reconnect === true) {
+				$this->imap = $this->imapOpen($this->server.$this->mbox,
+					$this->config->getValue('username'),
+					$this->config->getValue('password'),
+					OP_HALFOPEN);
+
+                $ret = imap_ping($this->imap);
+
+                if ($ret === false) {
+                    throw new IMAPException(__METHOD__ . ' reconnect failed');
+                }
+
+                $this->reopenedConnection = true;
+            }
+            else {
+                throw new IMAPException(__METHOD__ . ' not connected');
+            }
+        }
+
+		return true;
+	}
+
+
+	public function __destruct() {
+		if ($this->imap !== null) {
+			imap_close($this->imap);
+			$this->imap = null;
+		}
+	}
+
+
+	/**
+	 * true, wenn imapPing die Connection neu aufgemacht hat
+	 * Variable wird auf false gesetzt wenn $flush true ist
+	 * @param boolean $flush
+	 * @return boolean
+	 */
+	public function connectionReopened($flush = true) {
+		$ret = $this->reopenedConnection;
+		if ($flush === true) {
+			$this->reopenedConnection = false;
+		}
+		return $ret;
+	}
+
+
+	/**
+	 * interne IMAP Open Methode
+	 *
+	 * @param string $servername
+     * @param string $username
+     * @param string password
+     * @param integer $flags
+	 * @return resource
+	 */
+    protected function imapOpen($server, $username, $password, $flags) {
+	    return imap_open($server, $username, $password, $flags);
+    }
+
+
+	/**
+	 * privater Konstruktor, wird exklusiv von getInstance aufgerufen
+	 *
+	 * @param $instanceName
+	 * @param $config
+	 */
+	protected function __construct($instanceName,$config) {
+		$this->instanceName = $instanceName;
+		$this->config = $config;
+
+		if (!$this->config->hasValue('mailhost')) {
+			throw new IMAPException(__METHOD__ . ' config attribute missing: "mailhost"');
+		}
+		if (!$this->config->hasValue('username')) {
+			throw new IMAPException(__METHOD__ . ' config attribute missing: "username"');
+		}
+		if (!$this->config->hasValue('password')) {
+			throw new IMAPException(__METHOD__ . ' config attribute missing: "password"');
+		}
+		if (!$this->config->hasValue('port')) {
+			throw new IMAPException(__METHOD__ . ' config attribute missing: "port"');
+		}
+
+		$this->server = '{'.$this->config->getValue('mailhost').':'.$this->config->getValue('port').'/imap';
+		if( $this->config->hasValue('use_tls') &&
+			$this->config->getValue('use_tls') == true ) {
+			$this->server .= '/tls';
+		}
+		$this->server .= '/novalidate-cert}';
+
+		$mbox = '';
+
+        $this->mbox = $mbox;
+
+		$this->imap = null;
+
+		$this->imap = $this->imapOpen($this->server.$mbox,
+			$this->config->getValue('username'),
+			$this->config->getValue('password'),
+			OP_HALFOPEN);
+
+		if ($this->imap === false) {
+			$this->imap = null;
+			throw new IMAPException(__METHOD__ . ' not connected');
+		}
+
+		$this->reopenedConnection = false;
+	}
+
+
+	/**
+	 * sucht nach einer bereits vorhandenen Instanz, wird keine gefunden,
+	 * dann wird eine neue Instanz angelegt.
+	 * Man kann die Config-Variable weglassen, wenn man sicher ist, dass
+	 * bereits eine Instanz mit dem gewünschten instanceName existiert,
+	 * existiert aber keiner, dann liefert getInstance eine Exception.
+	 *
+	 * @param $instance
+	 * @param $config
+	 * @return imapConnection
+	 */
+	public static function getInstance($instanceName,$config = null) {
+		if (!self::$instances)
+			self::$instances = array();
+
+		foreach (self::$instances as $instance) {
+			if ($instance->getInstanceName() == $instanceName)
+				return $instance;
+		}
+
+		if (!$config instanceof Config) {
+			throw new IMAPException(__METHOD__ . ' no config');
+		}
+
+		$object = new imapConnection($instanceName, $config);
+
+		self::$instances[] = $object;
+
+		return $object;
+	}
+
+
+	/**
+	 * Liefert den Namen der aktuellen Instanz
+	 * @return string
+	 */
+	public function getInstanceName() {
+		return $this->instanceName;
+	}
+
+
+}
diff --git a/manager/library/imap/imapMail.php b/manager/library/imap/imapMail.php
new file mode 100644
index 0000000..e211cb4
--- /dev/null
+++ b/manager/library/imap/imapMail.php
@@ -0,0 +1,16 @@
+<?php
+/**
+ * @author markus
+ * $Id: $
+ */
+
+/**
+ * required files
+ * @ignore
+ */
+
+/**
+ * eine Mail, die per imapConnection vom Server geholt wurde
+ *
+ * ToDo
+ */
diff --git a/manager/library/imap/imapMailContainer.php b/manager/library/imap/imapMailContainer.php
new file mode 100644
index 0000000..e4bd280
--- /dev/null
+++ b/manager/library/imap/imapMailContainer.php
@@ -0,0 +1,18 @@
+<?php
+/**
+ * @author markus
+ * $Id: $
+ */
+
+/**
+ * required files
+ * @ignore
+ */
+require_once(LIBRARY_PATH . '/imap/class.imapMail.php');
+
+/**
+ * Container, um imapMail Objekte zu gruppieren
+ */
+class imapMailContainer {
+
+}
diff --git a/manager/library/imap/imapParseAction.php b/manager/library/imap/imapParseAction.php
new file mode 100644
index 0000000..d9e3fb0
--- /dev/null
+++ b/manager/library/imap/imapParseAction.php
@@ -0,0 +1,96 @@
+<?php
+/**
+ * @author markus
+ * $Id: $
+ */
+
+/**
+ * required files
+ * @ignore
+ */
+require_once('exception.IMAPException.php');
+
+/**
+ * Supportklasse für imapCleanMailbox
+ * Soll den in der Config pro Mailbox angegebenen Action-String auswerten
+ * und in eine automatisiert weiterverarbeitbare Form bringen.
+ */
+class imapParseAction {
+    /**
+     * Actions als Konstanten
+     * @var integer
+     */
+    const IMAP_ACTION_DELETE = 1;
+    const IMAP_ACTION_ARCHIVE = 2;
+
+    /**
+     * gesetzte Action
+     * @var integer
+     */
+    private $action = 0;
+
+    /**
+     * Modifikator keep gesetzt?
+     * @var boolean
+     */
+    private $delete_keep = false;
+
+    /**
+     * Wert des Modifikators keep
+     * @var integer
+     */
+    private $delete_keep_num = 0;
+
+    /**
+     * getAction
+     * @return integer
+     */
+    public function getAction() {
+        return $this->action;
+    }
+
+    /**
+     * getDeleteKeep
+     * @return boolean
+     */
+    public function getDeleteKeep() {
+        return $this->delete_keep;
+    }
+
+    /**
+     * getDeleteKeepNum
+     * @return integer
+     */
+    public function getDeleteKeepNum() {
+        return $this->delete_keep_num;
+    }
+
+    /**
+     * Konstruktor, parst eine Zeile mit Tokens und ermittelt, welche Aktionen
+     * auf einer Mailbox ausgeführt werden sollen
+     * @param string $action
+     */
+    public function __construct($action) {
+        $args = explode(' ', $action);
+
+        $numargs = count($args);
+
+        for ($arg = 0; $arg < $numargs; $arg++) {
+            switch ($args[$arg]) {
+                case 'delete':
+                    $this->action = self::IMAP_ACTION_DELETE;
+                    break;
+                case 'keep':
+                    $arg++;
+                    $this->delete_keep = true;
+                    $this->delete_keep_num = $args[$arg];
+                    break;
+                default:
+                    /**
+                     * @todo Exception werfen
+                     */
+                    break;
+            }
+        }
+    }
+}
diff --git a/manager/library/plugins/plugin.loginlogout.php b/manager/library/plugins/plugin.loginlogout.php
index 6de7a92..8bd13db 100644
--- a/manager/library/plugins/plugin.loginlogout.php
+++ b/manager/library/plugins/plugin.loginlogout.php
@@ -17,9 +17,15 @@ class LoginLogout extends Zend_Controller_Plugin_Abstract {
     		$controller		= 'logout';
     		$text			= 'Logout';
     	}
+    	$cur_ctrl = $request->getControllerName();
+    	if ($cur_ctrl == 'login')
+    		$aclass=' class="active"';
+    	else
+    		$aclass='';
+
     	$view = Zend_Registry::get('view');
     	$view->topNav('<a href="' .
     		$view->url(array('controller' => $controller), 'default', true) .
-    		'">' . I18n::_($text) . '</a>', Zend_View_Helper_Placeholder_Container_Abstract::SET, 1000);
+    		'"' . $aclass . '>' . I18n::_($text) . '</a>', Zend_View_Helper_Placeholder_Container_Abstract::SET, 1000);
 	}
 }