Kolab group support

lam/HISTORY

@@ -2,6 +2,7 @@ September 2013 4.3
   - Custom SSL CA certificates can be setup in LAM main configuration
   - Unix user and group support for Samba 4
   - Samba 3 groups: support local members
+  - Kolab: support for Kolab group accounts
   - SSH public key: support file upload and self service enhancements (RFE 101)
   - LAM Pro:
    -> PPolicy: check password history for password reuse

lam/docs/manual-sources/howto.xml

@@ -11,7 +11,7 @@
     an LDAP directory. LAM runs on any webserver with PHP5 support and
     connects to your LDAP server unencrypted or via SSL/TLS.</para>
 
-    <para>LAM supports Samba 3, Unix, Zarafa, Kolab 2, address book entries,
+    <para>LAM supports Samba 3, Unix, Zarafa, Kolab 2/3, address book entries,
     NIS mail aliases, MAC addresses and much more. There is a tree viewer
     included to allow access to the raw LDAP attributes. You can use templates
     for account creation and use multiple configuration profiles.</para>
@@ -967,10 +967,10 @@ Have fun!
         certificates here.</para>
 
         <para>Please note that this can affect other web applications on the
-        same server if they require different certificates. You may also need
-        to restart Apache. In case of any problems please delete the uploaded
-        certificates and use the <link linkend="ssl_certSystem">system
-        setup</link>.</para>
+        same server if they require different certificates. There seem to be
+        problems on Debian systems and you may also need to restart Apache. In
+        case of any problems please delete the uploaded certificates and use
+        the <link linkend="ssl_certSystem">system setup</link>.</para>
 
         <para>You can either upload a DER/PEM formatted certificate file or
         import the certificates directly from an LDAP server that is available
@@ -2235,7 +2235,7 @@ ldbmodify -H /var/lib/samba/private/sam.ldb passwordSelfReset-Samba4-objectClass
         Samba 4 you need to add the extension, save, and then select a
         question and set the answer. If you add the extension, set
         question/answer and then save all together this will cause an LDAP
-        error and no changes will be saved. </para>
+        error and no changes will be saved.</para>
 
         <screenshot>
           <mediaobject>
@@ -2409,6 +2409,17 @@ ldbmodify -H /var/lib/samba/private/sam.ldb passwordSelfReset-Samba4-objectClass
         <para>This module supports to manage Kolab accounts with LAM. E.g. you
         can set the user's mail quota and define invitation policies.</para>
 
+        <para>Please add the Kolab user module in your LAM server profile to
+        activate Kolab support.</para>
+
+        <screenshot>
+          <mediaobject>
+            <imageobject>
+              <imagedata fileref="images/mod_kolab2.png" />
+            </imageobject>
+          </mediaobject>
+        </screenshot>
+
         <para>Please enter an email address at the Personal page and set a
         Unix password first. Both are required that Kolab accepts the
         accounts. The email address ("Personal" page) must match your Kolab
@@ -3027,6 +3038,32 @@ ldbmodify -H /var/lib/samba/private/sam.ldb passwordSelfReset-Samba4-objectClass
         </screenshot>
       </section>
 
+      <section>
+        <title>Kolab</title>
+
+        <para>Please activate the Kolab group module in your LAM server
+        profile to activate Kolab support.</para>
+
+        <screenshot>
+          <mediaobject>
+            <imageobject>
+              <imagedata fileref="images/mod_kolab3.png" />
+            </imageobject>
+          </mediaobject>
+        </screenshot>
+
+        <para>You can specify the email address and also set allowed sender
+        and recipient addresses.</para>
+
+        <screenshot>
+          <mediaobject>
+            <imageobject>
+              <imagedata fileref="images/mod_kolab4.png" />
+            </imageobject>
+          </mediaobject>
+        </screenshot>
+      </section>
+
       <section>
         <title>Quota</title>
 

lam/lib/account.inc

@@ -488,6 +488,9 @@ function get_preg($argument, $regexp) {
 		case "mailLocalAddress":
 					$pregexpr = '/^([0-9a-zA-Z+\\/\\._-])+([@]([0-9a-zA-Z-])+([.]([0-9a-zA-Z-])+)*)?$/';
 					break;
+		case 'kolabEmailPrefix':
+					$pregexpr = '/^([-])?([0-9a-zA-Z+\\/\\._-])*([@]([0-9a-zA-Z\\.-])*)?$/';
+					break;
 		case "postalAddress":	// Allow all but \, <, >, =, ?
 					$pregexpr = '/^[^\\\<>=\\?]*$/';
 					break;

lam/lib/modules/kolabGroup.inc

@@ -0,0 +1,459 @@
+<?php
+/*
+$Id$
+
+  This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
+  Copyright (C) 2013  Roland Gruber
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation; either version 2 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+/**
+* Manages Kolab group accounts.
+*
+* @package modules
+* @author Roland Gruber
+*/
+
+/**
+* Manages Kolab group accounts.
+*
+* @package modules
+*/
+class kolabGroup extends baseModule {
+	
+	/** cache for mail attribute */
+	private $mailCache = null;
+	/** cache for mailHost values */
+	private $mailHostCache = null;
+	
+	/**
+	* Creates a new kolabGroup object.
+	*
+	* @param string $scope account type (user, group, host)
+	*/
+	function __construct($scope) {
+		// call parent constructor
+		parent::__construct($scope);
+		$this->autoAddObjectClasses = false;
+	}
+
+	/**
+	* Returns meta data that is interpreted by parent class
+	*
+	* @return array array with meta data
+	* 
+	* @see baseModule::get_metaData()
+	*/
+	function get_metaData() {
+		$return = array();
+		// icon
+		$return['icon'] = 'kolab.png';
+		// manages host accounts
+		$return["account_types"] = array('group');
+		// alias name
+		$return["alias"] = _("Kolab");
+		// module dependencies
+		$return['dependencies'] = array('depends' => array(), 'conflicts' => array());
+		// managed object classes
+		$return['objectClasses'] = array('kolabGroupOfUniqueNames');
+		// managed attributes
+		$return['attributes'] = array('kolabAllowSMTPRecipient', 'kolabAllowSMTPSender', 'kolabDeleteflag');
+		if ($this->manageMail()) {
+			$return['attributes'][] = 'mail';
+		}
+		// help Entries
+		$return['help'] = array(
+			'mail' => array(
+				"Headline" => _("Email address"), 'attr' => 'mail',
+				"Text" => _("The list's email address.")
+			),
+			'mailList' => array(
+				"Headline" => _("Email address"), 'attr' => 'mail',
+				"Text" => _("The list's email address.") . ' ' . _("Multiple values are separated by semicolon.")
+			),
+			'kolabAllowSMTPRecipient' => array (
+				"Headline" => _('Allowed recepients'), 'attr' => 'kolabAllowSMTPRecipient',
+				"Text" => _('Describes the allowed or disallowed SMTP recipient addresses for mail sent by this account (e.g. "domain.tld" or "-user@domain.tld").')
+			),
+			'kolabAllowSMTPRecipientList' => array (
+				"Headline" => _('Allowed recepients'), 'attr' => 'kolabAllowSMTPRecipient',
+				"Text" => _('Describes the allowed or disallowed SMTP recipient addresses for mail sent by this account (e.g. "domain.tld" or "-user@domain.tld").')
+							. ' ' . _("Multiple values are separated by semicolon.")
+			),
+			'kolabAllowSMTPSender' => array (
+				"Headline" => _('Allowed senders'), 'attr' => 'kolabAllowSMTPSender',
+				"Text" => _('Describes the allowed or disallowed SMTP addresses sending mail to this account (e.g. "domain.tld" or "-user@domain.tld").')
+			),
+			'kolabAllowSMTPSenderList' => array (
+				"Headline" => _('Allowed senders'), 'attr' => 'kolabAllowSMTPSender',
+				"Text" => _('Describes the allowed or disallowed SMTP addresses sending mail to this account (e.g. "domain.tld" or "-user@domain.tld").')
+							. ' ' . _("Multiple values are separated by semicolon.")
+			),
+			'deleteFlag' => array(
+				"Headline" => _("Mark for deletion"), 'attr' => 'kolabDeleteflag',
+				"Text" => _("This will set a special flag on the account which tells Kolabd to remove it. Use this to cleanly delete Kolab accounts (e.g. this removes mail boxes).")
+			),
+			'autoAdd' => array(
+				"Headline" => _("Automatically add this extension"),
+				"Text" => _("This will enable the extension automatically if this profile is loaded.")
+			),
+		);
+		// profile options
+		$profileContainer = new htmlTable();
+		$profileContainer->addElement(new htmlTableExtendedInputCheckbox('kolabGroup_addExt', false, _('Automatically add this extension'), 'autoAdd'), true);
+		$return['profile_options'] = $profileContainer;
+		// upload fields
+		$return['upload_columns'] = array(
+			array(
+				'name' => 'kolabGroup_kolabAllowSMTPRecipient',
+				'description' => _('Allowed recepients'),
+				'help' => 'kolabAllowSMTPRecipientList',
+				'example' => '.com; -.net',
+			),
+			array(
+				'name' => 'kolabGroup_kolabAllowSMTPSender',
+				'description' => _('Allowed senders'),
+				'help' => 'kolabAllowSMTPSenderList',
+				'example' => '.com; -.net',
+			),
+		);
+		if ($this->manageMail()) {
+			$return['upload_columns'][] = array(
+				'name' => 'kolabGroup_mail',
+				'description' => _('Email address'),
+				'help' => 'mailList',
+				'example' => 'list@company.com',
+				'required' => true,
+				'unique' => true,
+			);
+		}
+		// available PDF fields
+		$return['PDF_fields'] = array(
+			'kolabAllowSMTPRecipient' => _('Allowed recepients'),
+			'kolabAllowSMTPSender' => _('Allowed senders'),
+		);
+		if ($this->manageMail()) {
+			$return['PDF_fields']['mail'] = _('Email address');
+		}
+		return $return;
+	}
+
+	/**
+	* This function fills the $messages variable with output messages from this module.
+	*/
+	function load_Messages() {
+		$this->messages['mail'][0] = array('ERROR', _('Email address'), _('Please enter a valid email address!'));
+		$this->messages['mail'][1] = array('ERROR', _('Account %s:') . ' kolabGroup_mail', _('Please enter a valid email address!'));
+		$this->messages['mail'][2] = array('ERROR', _('Email address'), _('Email address already exists.'));
+		$this->messages['mail'][3] = array('ERROR', _('Account %s:') . ' kolabGroup_mail', _('Email address already exists.'));
+		$this->messages['kolabAllowSMTPRecipient'][0] = array('ERROR', _('Allowed recepients'), _('Please enter a valid recepient expression.'));
+		$this->messages['kolabAllowSMTPRecipient'][1] = array('ERROR', _('Account %s:') . ' kolabGroup_kolabAllowSMTPRecipient', _('Please enter a valid recepient expression.'));
+		$this->messages['kolabAllowSMTPSender'][0] = array('ERROR', _('Allowed senders'), _('Please enter a valid sender expression.'));
+		$this->messages['kolabAllowSMTPSender'][1] = array('ERROR', _('Account %s:') . ' kolabGroup_kolabAllowSMTPSender', _('Please enter a valid sender expression.'));
+	}
+
+	/**
+	 * Returns the HTML meta data for the main account page.
+	 * 
+	 * @return htmlElement HTML meta data
+	 */
+	function display_html_attributes() {
+		$container = new htmlTable();
+		if (isset($this->attributes['objectClass']) && in_array('kolabGroupOfUniqueNames', $this->attributes['objectClass'])) {
+			// check if account is marked for deletion
+			if (isset($this->attributes['kolabDeleteflag'])) {
+				$container->addElement(new htmlOutputText(_('This account is marked for deletion.')));
+				return $container;
+			}
+			// mail
+			if ($this->manageMail()) {
+				$this->addSimpleInputTextField($container, 'mail', _('Email address'), true);
+			}
+			// allowed recepients
+			$this->addMultiValueInputTextField($container, 'kolabAllowSMTPRecipient', _('Allowed recepients'));
+			// allowed senders
+			$this->addMultiValueInputTextField($container, 'kolabAllowSMTPSender', _('Allowed senders'));
+			// delete flag
+			$this->loadMailHostCache();
+			if (!$this->getAccountContainer()->isNewAccount && (sizeof($this->mailHostCache) > 0)) {
+				$deleteContainer = new htmlTable();
+				$deleteContainer->addElement(new htmlSpacer(null, '20px'), true);
+				$deleteContainer->addElement(new htmlAccountPageButton(get_class($this), 'delete', 'open', _('Mark account for deletion')));
+				$deleteContainer->addElement(new htmlHelpLink('deleteFlag'));
+				$container->addElement($deleteContainer);
+			}
+		}
+		else {
+			// add button
+			$container->addElement(new htmlButton('addObjectClass', _('Add Kolab extension')));
+		}
+		return $container;
+	}
+
+	/**
+	* Processes user input of the primary module page.
+	* It checks if all input values are correct and updates the associated LDAP attributes.
+	*
+	* @return array list of info/error messages
+	*/
+	function process_attributes() {
+		$errors = array();
+		if (isset($_POST['addObjectClass'])) {
+			$this->attributes['objectClass'][] = 'kolabGroupOfUniqueNames';
+			return $errors;
+		}
+		if (isset($_POST['remObjectClass'])) {
+			$this->attributes['objectClass'] = array_delete(array('kolabGroupOfUniqueNames'), $this->attributes['objectClass']);
+			$attrs = $this->meta['attributes'];
+			foreach ($attrs as $name) {
+				if (isset($this->attributes[$name])) {
+					unset($this->attributes[$name]);
+				}
+			}
+			return $errors;
+		}
+		// skip processing if object class is not set
+		if (!isset($this->attributes['objectClass']) || !in_array('kolabGroupOfUniqueNames', $this->attributes['objectClass'])) {
+			return $errors;
+		}
+		// mail
+		if ($this->manageMail()) {
+			if (!empty($_POST['mail'])) {
+				$this->attributes['mail'][0] = $_POST['mail'];
+				// check format
+				if (!get_preg($_POST['mail'], 'email')) {
+					$errors[] = $this->messages['mail'][0];
+				}
+				// check if unique
+				if ($this->getAccountContainer()->isNewAccount || (!empty($this->orig['mail'][0]) && ($this->orig['mail'][0] != $this->attributes['mail'][0]))) {
+					$this->loadMailCache();
+					if (in_array_ignore_case($_POST['mail'], $this->mailCache)) {
+						$errors[] = $this->messages['mail'][2];
+					}
+				}
+			}
+			elseif (isset($this->attributes['mail'])) {
+				unset($this->attributes['mail']);
+			}
+		}
+		// allowed recepients
+		$this->processMultiValueInputTextField('kolabAllowSMTPRecipient', $errors, 'kolabEmailPrefix');
+		// allowed senders
+		$this->processMultiValueInputTextField('kolabAllowSMTPSender', $errors, 'kolabEmailPrefix');
+		return $errors;
+	}
+
+	/**
+	* This function will create the meta HTML code to show a page to mark an account for deletion.
+	* 
+	* @return htmlElement HTML meta data
+	*/
+	function display_html_delete() {
+		$return = new htmlTable();
+		$message = new htmlOutputText(_('Do you really want to mark this account for deletion?'));
+		$return->addElement($message, true);
+		$return->addElement(new htmlSpacer(null, '10px'), true);
+		$serverTable = new htmlTable();
+		$serverTable->addElement(new htmlTableExtendedSelect('deletionServer', $this->mailHostCache, array(), _('Server'), 'deleteFlag'));
+		$return->addElement($serverTable, true);
+		$return->addElement(new htmlSpacer(null, '10px'), true);
+		$buttonGroup = new htmlGroup();
+		$buttonGroup->addElement(new htmlAccountPageButton(get_class($this), 'attributes', 'confirm', _('Mark account for deletion')));
+		$buttonGroup->addElement(new htmlAccountPageButton(get_class($this), 'attributes', 'cancel', _('Cancel')));
+		$return->addElement($buttonGroup, true);
+		return $return;
+	}
+
+	/**
+	* Write variables into object and do some regex checks
+	*/
+	function process_delete() {
+		if (isset($_POST['form_subpage_kolabGroup_attributes_confirm'])) {
+			// set delete flag
+			$this->attributes['kolabDeleteflag'][0] = $_POST['deletionServer'];
+		}
+	}
+
+	/**
+	* Returns a list of modifications which have to be made to the LDAP account.
+	*
+	* @return array list of modifications
+	* <br>This function returns an array with 3 entries:
+	* <br>array( DN1 ('add' => array($attr), 'remove' => array($attr), 'modify' => array($attr)), DN2 .... )
+	* <br>DN is the DN to change. It may be possible to change several DNs (e.g. create a new user and add him to some groups via attribute memberUid)
+	* <br>"add" are attributes which have to be added to LDAP entry
+	* <br>"remove" are attributes which have to be removed from LDAP entry
+	* <br>"modify" are attributes which have to been modified in LDAP entry
+	* <br>"info" are values with informational value (e.g. to be used later by pre/postModify actions)
+	*/
+	function save_attributes() {
+		if (!in_array('kolabGroupOfUniqueNames', $this->attributes['objectClass']) && !in_array('kolabGroupOfUniqueNames', $this->orig['objectClass'])) {
+			// skip saving if the extension was not added/modified
+			return array();
+		}
+		return parent::save_attributes();
+	}
+
+	/**
+	* Loads the values of an account profile into internal variables.
+	*
+	* @param array $profile hash array with profile values (identifier => value)
+	*/
+	function load_profile($profile) {
+		// profile mappings in meta data
+		parent::load_profile($profile);
+		// add extension
+		if (isset($profile['kolabGroup_addExt'][0]) && ($profile['kolabGroup_addExt'][0] == "true")) {
+			if (!in_array('kolabGroupOfUniqueNames', $this->attributes['objectClass'])) {
+				$this->attributes['objectClass'][] = 'kolabGroupOfUniqueNames';
+			}
+		}
+	}
+	
+	/**
+	* In this function the LDAP account is built up.
+	*
+	* @param array $rawAccounts list of hash arrays (name => value) from user input
+	* @param array $ids list of IDs for column position (e.g. "posixAccount_uid" => 5)
+	* @param array $partialAccounts list of hash arrays (name => value) which are later added to LDAP
+	* @param array $selectedModules list of selected account modules
+	* @return array list of error messages if any
+	*/
+	function build_uploadAccounts($rawAccounts, $ids, &$partialAccounts, $selectedModules) {
+		$messages = array();
+		for ($i = 0; $i < sizeof($rawAccounts); $i++) {
+			// add object classes
+			if (!in_array('kolabGroupOfUniqueNames', $partialAccounts[$i]['objectClass'])) {
+				$partialAccounts[$i]['objectClass'][] = 'kolabGroupOfUniqueNames';
+			}
+			// mail
+			if ($this->manageMail() && !empty($rawAccounts[$i][$ids['kolabGroup_mail']])) {
+				if (get_preg($rawAccounts[$i][$ids['kolabGroup_mail']], 'email')) {
+					$this->loadMailCache();
+					if (!in_array_ignore_case(trim($rawAccounts[$i][$ids['kolabGroup_mail']]), $this->mailCache)) {
+						$partialAccounts[$i]['mail'] = trim($rawAccounts[$i][$ids['kolabGroup_mail']]);
+					}
+					else {
+						$errMsg = $this->messages['mail'][3];
+						array_push($errMsg, array($i));
+						$messages[] = $errMsg;
+					}
+				}
+				else {
+					$errMsg = $this->messages['mail'][1];
+					array_push($errMsg, array($i));
+					$messages[] = $errMsg;
+				}
+			}
+			// allowed recipients
+			if (!empty($rawAccounts[$i][$ids['kolabGroup_kolabAllowSMTPRecipient']])) {
+				$mails = preg_split('/;[ ]*/', $rawAccounts[$i][$ids['kolabGroup_kolabAllowSMTPRecipient']]);
+				for ($m = 0; $m < sizeof($mails); $m++) {
+					if (get_preg($mails[$m], 'kolabEmailPrefix')) {
+						$partialAccounts[$i]['kolabAllowSMTPRecipient'][] = $mails[$m];
+					}
+					else {
+						$errMsg = $this->messages['kolabAllowSMTPRecipient'][1];
+						array_push($errMsg, array($i));
+						$messages[] = $errMsg;
+						break;
+					}
+				}
+			}
+			// allowed senders
+			if (!empty($rawAccounts[$i][$ids['kolabGroup_kolabAllowSMTPSender']])) {
+				$mails = preg_split('/;[ ]*/', $rawAccounts[$i][$ids['kolabGroup_kolabAllowSMTPSender']]);
+				for ($m = 0; $m < sizeof($mails); $m++) {
+					if (get_preg($mails[$m], 'kolabEmailPrefix')) {
+						$partialAccounts[$i]['kolabAllowSMTPSender'][] = $mails[$m];
+					}
+					else {
+						$errMsg = $this->messages['kolabAllowSMTPSender'][1];
+						array_push($errMsg, array($i));
+						$messages[] = $errMsg;
+						break;
+					}
+				}
+			}
+		}
+		return $messages;
+	}
+	
+	/**
+	* Returns a list of PDF entries
+	*/
+	function get_pdfEntries() {
+		$return = array();
+		$this->addSimplePDFField($return, 'mail', _('Email address'));
+		$this->addSimplePDFField($return, 'kolabAllowSMTPRecipient', _('Allowed recepients'));
+		$this->addSimplePDFField($return, 'kolabAllowSMTPSender', _('Allowed senders'));
+		return $return;
+	}
+	
+	/**
+	 * Returns if the mail attribute should be managed.
+	 * 
+	 * @return boolean manage mail attribute
+	 */
+	private function manageMail() {
+		if (isset($_SESSION['config'])) {
+			$conf = $_SESSION['config'];
+			if (in_array('qmailGroup', $conf->get_AccountModules($this->get_scope()))) {
+				return false;
+			}
+			else {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	/**
+	 * Loads the list of email addresses into the cache.
+	 */
+	private function loadMailCache() {
+		if ($this->mailCache != null) {
+			return;
+		}
+		$results = searchLDAPByFilter('(mail=*)', array('mail'), array($this->get_scope()));
+		$this->mailCache = array();
+		foreach ($results as $result) {
+			if (isset($result['mail'][0])) {
+				$this->mailCache[] = $result['mail'][0];
+			}
+		}
+	}
+	
+	/**
+	 * Loads the list of mail hosts into the cache.
+	 */
+	private function loadMailHostCache() {
+		if ($this->mailHostCache != null) {
+			return;
+		}
+		$results = searchLDAPByFilter('(mailHost=*)', array('mailHost'), array('user'));
+		$this->mailHostCache = array();
+		foreach ($results as $result) {
+			if (isset($result['mailhost'][0]) && !in_array_ignore_case($result['mailhost'][0], $this->mailHostCache)) {
+				$this->mailHostCache[] = $result['mailhost'][0];
+			}
+		}
+	}
+	
+}
+
+
+?>