<?php
/*

  This code is part of LDAP Account Manager (http://www.sourceforge.net/projects/lam)
  Copyright (C) 2009 - 2012  Pavel Pozdnyak
                2009 - 2019  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 the Asterisk extension of user accounts.
*
* @package modules
*
* @author Pavel Pozdnyak
* @author Roland Gruber
*/

/**
 * Manages the Asterisk extension of user accounts.
 *
 * @package modules
 */
class asteriskAccount extends baseModule implements passwordService {

	const ASTERISK_DEFAULT_REALM = "asterisk";

	/**
	* Creates a new asteriskAccount object.
	*
	* @param string $scope account type (user, group, host)
	*/
	function __construct($scope) {
		// call parent constructor
		parent::__construct($scope);
		$this->autoAddObjectClasses = false;
	}

	/**
	* Returns true if this module can manage accounts of the current type, otherwise false.
	*
	* @return boolean true if module fits
	*/
	public function can_manage() {
		return in_array($this->get_scope(), array('user'));
	}

	/**
	 * Returns meta data that is interpreted by parent class.
	 *
	 * @return array array with meta data
	 */
	function get_metaData() {
		$return = array();
		$return["is_base"] = false;
		// alias name
		$return["alias"] = _("Asterisk");
		// module dependencies
		$return['dependencies'] = array('depends' => array(), 'conflicts' => array());
		// managed object classes
		$return['objectClasses'] = array('AsteriskSIPUser');
		// managed attributes
		$return['attributes'] = array('AstAccountCallerID', 'AstAccountHost',
			'AstAccountRealmedPassword', 'AstAccountContext', 'AstAccountType',
			'AstAccountUserAgent', 'AstAccountAMAFlags', 'AstAccountCallGroup',
			'AstAccountDTMFMode', 'AstAccountFromUser', 'AstAccountFromDomain',
			'AstAccountFullContact', 'AstAccountInsecure', 'AstAccountMailbox',
			'AstAccountNAT', 'AstAccountDeny', 'AstAccountPermit',
			'AstAccountPickupGroup', 'AstAccountPort', 'AstAccountQualify',
			'AstAccountRestrictCID', 'AstAccountRTPTimeout', 'AstAccountRTPHoldTimeout',
			'AstAccountDisallowedCodec', 'AstAccountAllowedCodec', 'AstAccountMusicOnHold',
			'AstAccountExpirationTimestamp', 'AstAccountRegistrationContext',
			'AstAccountRegistrationExten', 'AstAccountCanCallForward', 'AstAccountIPAddress',
			'AstAccountDefaultUser', 'AstAccountRegistrationServer', 'AstAccountLastQualifyMilliseconds',
		);
		// icon
		$return['icon'] = 'asterisk.png';
		// self service
		$return['selfServiceFieldSettings'] = array(
			'syncAsteriskPassword' => _('Sync Asterisk password with Unix password'),
		);
		// self service: fields that cannot be relabeled
		$return['selfServiceNoRelabelFields'] = array('syncAsteriskPassword');
		// help
		$return['help'] = array(
			'AstAccountCallerID' => array(
				"Headline" => _("Caller ID"), 'attr' => 'AstAccountCallerID',
				"Text" => _("This is the ID of the user in the Asterisk database. It may contain digits and letters (e.g. user1 or 200134).")
			),
			'AstAccountHost' => array(
				"Headline" => _("Host"), 'attr' => 'AstAccountHost',
				"Text" => _("This is the machine id (e.g. IP address or host name) from which the user can call/receive calls.")
			),
			'AstAccountContext' => array(
				"Headline" => _("Account context"), 'attr' => 'AstAccountContext',
				"Text" => _("The account context stores information about the dial plan.")
			),
			'AstAccountRealmedPassword' => array(
				"Headline" => _("Password"), 'attr' => 'AstAccountRealmedPassword',
				"Text" => _("Please enter the password which you want to set for this account.")
			),
			'AstAccountType' => array(
				"Headline" => _("Account type"), 'attr' => 'AstAccountType',
				"Text" => _("Please enter the account's type (e.g. \"friend\").")
			),
			'AsteriskRealm' => array(
				"Headline" => _("Asterisk realm"),
				"Text" => _("Authentication realm for Asterisk server (default: asterisk). This value set in sip.conf (option: \"realm\").")
			),
			'AstAccountUserAgent' => array(
				"Headline" => _("User agent"), 'attr' => 'AstAccountUserAgent',
				"Text" => _("SIP user agent identification.")
			),
			'AstAccountAMAFlags' => array(
				"Headline" => _("AMA flags"), 'attr' => 'AstAccountAMAFlags',
				"Text" => _("Asterisk AMA (Automated Message Accounting) flags.")
			),
			'AstAccountCallGroup' => array(
				"Headline" => _("Call groups"), 'attr' => 'AstAccountCallGroup',
				"Text" => _("The user's call groups.")
			),
			'AstAccountDTMFMode' => array(
				"Headline" => _("DTMF mode"), 'attr' => 'AstAccountDTMFMode',
				"Text" => _("DTMF mode for SIP client configuration.")
			),
			'AstAccountFromUser' => array(
				"Headline" => _("From user"), 'attr' => 'AstAccountFromUser',
				"Text" => _("From user setting for this account.")
			),
			'AstAccountFromDomain' => array(
				"Headline" => _("From domain"), 'attr' => 'AstAccountFromDomain',
				"Text" => _("From domain setting for this account.")
			),
			'AstAccountFullContact' => array(
				"Headline" => _("Full contact"), 'attr' => 'AstAccountFullContact',
				"Text" => _("SIP URI for a realtime peer.")
			),
			'AstAccountInsecure' => array(
				"Headline" => _("Insecure"), 'attr' => 'AstAccountInsecure',
				"Text" => _("This is typically used to allow incoming calls (e.g. from FWD) while having a type=friend entry defined with username and password.")
			),
			'AstAccountMailbox' => array(
				"Headline" => _("Mailbox"), 'attr' => 'AstAccountMailbox',
				"Text" => _("Defines the mailbox to check for message waiting indication (MWI) for this peer.")
			),
			'AstAccountNAT' => array(
				"Headline" => _("NAT"), 'attr' => 'AstAccountNAT',
				"Text" => _("NAT setting for this account.")
			),
			'AstAccountDeny' => array(
				"Headline" => _("Deny"), 'attr' => 'AstAccountDeny',
				"Text" => _("Used to limit SIP traffic to and from this peer to a certain IP or network.")
			),
			'AstAccountPermit' => array(
				"Headline" => _("Permit"), 'attr' => 'AstAccountPermit',
				"Text" => _("Used to limit SIP traffic to and from this peer to a certain IP or network.")
			),
			'AstAccountPickupGroup' => array(
				"Headline" => _("Pickup group"), 'attr' => 'AstAccountPickupGroup',
				"Text" => _("Specifies the user's pickup group.")
			),
			'AstAccountPort' => array(
				"Headline" => _("Port"), 'attr' => 'AstAccountPort',
				"Text" => _("Port number.")
			),
			'AstAccountQualify' => array(
				"Headline" => _("Qualify"), 'attr' => 'AstAccountQualify',
				"Text" => _("Used to regularly check that a device is still online.")
			),
			'AstAccountRestrictCID' => array(
				"Headline" => _("Restrict caller ID"), 'attr' => 'AstAccountRestrictCID',
				"Text" => _("Use this to hide the caller ID.")
			),
			'AstAccountRTPTimeout' => array(
				"Headline" => _("RTP timeout"), 'attr' => 'AstAccountRTPTimeout',
				"Text" => _("Used to automatically hangup the call if no RTP traffic is received.")
			),
			'AstAccountRTPHoldTimeout' => array(
				"Headline" => _("RTP hold timeout"), 'attr' => 'AstAccountRTPHoldTimeout',
				"Text" => _("Maximum number of seconds of inactivity before terminating a call on hold.")
			),
			'AstAccountDisallowedCodec' => array(
				"Headline" => _("Disallowed codec"), 'attr' => 'AstAccountDisallowedCodec',
				"Text" => _("List of disallowed codecs.")
			),
			'AstAccountAllowedCodec' => array(
				"Headline" => _("Allowed codec"), 'attr' => 'AstAccountAllowedCodec',
				"Text" => _("List of allowed codecs.")
			),
			'AstAccountMusicOnHold' => array(
				"Headline" => _("Music on hold"), 'attr' => 'AstAccountMusicOnHold',
				"Text" => _("Music to play on hold.")
			),
			'AstAccountExpirationTimestamp' => array(
				"Headline" => _("Expiration timestamp"), 'attr' => 'AstAccountExpirationTimestamp',
				"Text" => _("Expiration timestamp (\"regseconds\" option).")
			),
			'AstAccountRegistrationContext' => array(
				"Headline" => _("Registration context"), 'attr' => 'AstAccountRegistrationContext',
				"Text" => _("If registration context is specified, Asterisk will dynamically create and destroy a NoOp priority 1 extension for a given peer who registers or unregisters with Asterisk.")
			),
			'AstAccountRegistrationExten' => array(
				"Headline" => _("Registration extension"), 'attr' => 'AstAccountRegistrationExten',
				"Text" => _("Used for registration context.")
			),
			'AstAccountCanCallForward' => array(
				"Headline" => _("Can call forward"), 'attr' => 'AstAccountCanCallForward',
				"Text" => _("Specifies if the user can call forward.")
			),
			'AstAccountIPAddress' => array(
				"Headline" => _("IP address"), 'attr' => 'AstAccountIPAddress',
				"Text" => _("IP address of the peer. Valid only for realtime peers.")
			),
			'AstAccountDefaultUser' => array(
				"Headline" => _("Default user"), 'attr' => 'AstAccountDefaultUser',
				"Text" => _("Authentication user for outbound proxies.")
			),
			'AstAccountRegistrationServer' => array(
				"Headline" => _("Registration server"), 'attr' => 'AstAccountRegistrationServer',
				"Text" => _("IP address or domain name of the registration server.")
			),
			'AstAccountLastQualifyMilliseconds' => array(
				"Headline" => _("Last qualify milliseconds"), 'attr' => 'AstAccountLastQualifyMilliseconds',
				"Text" => _("The number of milliseconds for the last qualify.")
			),
			'hiddenOptions' => array(
				"Headline" => _("Hidden options"),
				"Text" => _("The selected options will not be managed inside LAM. You can use this to reduce the number of displayed input fields.")
			),
		);
		// self service options
		$selfServiceContainer = new htmlResponsiveRow();
		$selfServiceContainer->add(new htmlResponsiveInputField(_('Asterisk realm'), 'asteriskAccount_AsteriskRealm', null, array('AsteriskRealm', get_class($this))), 12);
		$return['selfServiceSettings'] = $selfServiceContainer;
		// profile options
		$profileContainer = new htmlResponsiveRow();
		$profileContainer->add(new htmlResponsiveInputField(_('Host'), 'asteriskAccount_AstAccountHost', null, 'AstAccountHost'), 12);
		$profileContainer->add(new htmlResponsiveInputField(_('Account context'), 'asteriskAccount_AstAccountContext', null, 'AstAccountContext'), 12);
		$profileContainer->add(new htmlResponsiveInputField(_('Account type'), 'asteriskAccount_AstAccountType', null, 'AstAccountType'), 12);
		$return['profile_options'] = $profileContainer;
		// profile mappings
		$return['profile_mappings'] = array(
			'asteriskAccount_AstAccountHost' => 'AstAccountHost',
			'asteriskAccount_AstAccountContext' => 'AstAccountContext',
			'asteriskAccount_AstAccountType' => 'AstAccountType',
		);
		// available PDF fields
		$return['PDF_fields'] = array(
			'AstAccountCallerID' => _('Caller ID'),
			'AstAccountContext' => _('Account context'),
			'AstAccountHost' => _('Host'),
			'AstAccountType' => _('Account type'),
			'AstAccountUserAgent' => _('User agent'),
			'AstAccountAMAFlags' => _('AMA flags'),
			'AstAccountCallGroup' => _('Call groups'),
			'AstAccountDTMFMode' => _('DTFM flags'),
			'AstAccountFromUser' => _('From user'),
			'AstAccountFromDomain' => _('From domain'),
			'AstAccountFullContact'=> _('Full contact'),
			'AstAccountInsecure' => _('Insecure'),
			'AstAccountMailbox' => _('Mailbox'),
			'AstAccountNAT' => _('NAT'),
			'AstAccountDeny' => _('Deny'),
			'AstAccountPermit' => _('Permit'),
			'AstAccountPickupGroup' => _('Pickup group'),
			'AstAccountPort' => _('Port'),
			'AstAccountQualify' => _('Qualify'),
			'AstAccountRestrictCID' => _('Restrict caller ID'),
			'AstAccountRTPTimeout' => _('RTP timeout'),
			'AstAccountRTPHoldTimeout' => _('RTP hold timeout'),
			'AstAccountDisallowedCodec' => _('Disallowed codec'),
			'AstAccountAllowedCodec' => _('Allowed codec'),
			'AstAccountMusicOnHold' => _('Music on hold'),
			'AstAccountExpirationTimestamp' => _('Expiration timestamp'),
			'AstAccountRegistrationContext' => _('Registration context'),
			'AstAccountRegistrationExten' => _('Registration extension'),
			'AstAccountCanCallForward' => _('Can call forward'),
			'AstAccountIPAddress' => _('IP address'),
			'AstAccountDefaultUser' => _('Default user'),
			'AstAccountRegistrationServer' => _('Registration server'),
			'AstAccountLastQualifyMilliseconds' => _('Last qualify milliseconds'),
		);
		// upload fields
		$return['upload_columns'] = array(
			array(
				'name' => 'asteriskAccount_AstAccountCallerID',
				'description' => _('Caller ID'),
				'help' => 'AstAccountCallerID',
				'example' => '12345',
				'required' => true
			),
			array(
				'name' => 'asteriskAccount_AstAccountContext',
				'description' => _('Account context'),
				'help' => 'AstAccountContext',
				'example' => 'default',
				'required' => true
			),
			array(
				'name' => 'asteriskAccount_AstAccountHost',
				'description' => _('Host'),
				'help' => 'AstAccountHost',
				'example' => 'dynamic',
				'default' => 'dynamic',
			),
			array(
				'name' => 'asteriskAccount_AstAccountRealmedPassword',
				'description' => _('Password'),
				'help' => 'AstAccountRealmedPassword',
				'example' => _('secret'),
			),
			array(
				'name' => 'asteriskAccount_AstAccountType',
				'description' => _('Account type'),
				'help' => 'AstAccountType',
				'example' => 'friend',
				'required' => true
			),
		);
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountUserAgent')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountUserAgent',
				'description' => _('User agent'),
				'help' => 'AstAccountUserAgent',
			);
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountAMAFlags')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountAMAFlags',
				'description' => _('AMA flags'),
				'help' => 'AstAccountAMAFlags',
				'example' => 'billing',
			);
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountCallGroup')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountCallGroup',
				'description' => _('Call groups'),
				'help' => 'AstAccountCallGroup',
			);
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountDTMFMode')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountDTMFMode',
				'description' => _('DTFM flags'),
				'help' => 'AstAccountDTMFMode',
				'example' => 'auto',
			);
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountFromUser')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountFromUser',
				'description' => _('From user'),
				'help' => 'AstAccountFromUser',
			);
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountFromDomain')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountFromDomain',
				'description' => _('From domain'),
				'help' => 'AstAccountFromDomain',
			);
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountFullContact')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountFullContact',
				'description' => _('Full contact'),
				'help' => 'AstAccountFullContact',
			);
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountInsecure')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountInsecure',
				'description' => _('Insecure'),
				'help' => 'AstAccountInsecure',
				'example' => 'invite',
			);
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountMailbox')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountMailbox',
				'description' => _('Mailbox'),
				'help' => 'AstAccountMailbox',
			);
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountNAT')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountNAT',
				'description' => _('NAT'),
				'help' => 'AstAccountNAT',
				'example' => 'never',
			);
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountDeny')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountDeny',
				'description' => _('Deny'),
				'help' => 'AstAccountDeny',
			);
		}

		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountPermit')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountPermit',
				'description' => _('Permit'),
				'help' => 'AstAccountPermit',
			);
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountPickupGroup')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountPickupGroup',
				'description' => _('Pickup group'),
				'help' => 'AstAccountPickupGroup',
			);
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountPort')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountPort',
				'description' => _('Port'),
				'help' => 'AstAccountPort',
			);
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountQualify')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountQualify',
				'description' => _('Qualify'),
				'help' => 'AstAccountQualify',
			);
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountRestrictCID')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountRestrictCID',
				'description' => _('Restrict caller ID'),
				'help' => 'AstAccountRestrictCID',
			);
		}

		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountRTPTimeout')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountRTPTimeout',
				'description' => _('RTP timeout'),
				'help' => 'AstAccountRTPTimeout',
			);
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountRTPHoldTimeout')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountRTPHoldTimeout',
				'description' => _('RTP hold timeout'),
				'help' => 'AstAccountRTPHoldTimeout',
			);
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountDisallowedCodec')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountDisallowedCodec',
				'description' => _('Disallowed codec'),
				'help' => 'AstAccountDisallowedCodec',
			);
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountAllowedCodec')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountAllowedCodec',
				'description' => _('Allowed codec'),
				'help' => 'AstAccountAllowedCodec',
			);
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountMusicOnHold')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountMusicOnHold',
				'description' => _('Music on hold'),
				'help' => 'AstAccountMusicOnHold',
			);
		}

		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountExpirationTimestamp')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountExpirationTimestamp',
				'description' => _('Expiration timestamp'),
				'help' => 'AstAccountExpirationTimestamp',
			);
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountRegistrationContext')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountRegistrationContext',
				'description' => _('Registration context'),
				'help' => 'AstAccountRegistrationContext',
			);
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountRegistrationExten')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountRegistrationExten',
				'description' => _('Registration extension'),
				'help' => 'AstAccountRegistrationExten',
			);
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountCanCallForward')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountCanCallForward',
				'description' => _('Can call forward'),
				'help' => 'AstAccountCanCallForward',
			);
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountIPAddress')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountIPAddress',
				'description' => _('IP address'),
				'help' => 'AstAccountIPAddress',
			);
		}

		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountDefaultUser')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountDefaultUser',
				'description' => _('Default user'),
				'help' => 'AstAccountDefaultUser',
			);
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountRegistrationServer')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountRegistrationServer',
				'description' => _('Registration server'),
				'help' => 'AstAccountRegistrationServer',
			);
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountLastQualifyMilliseconds')) {
			$return['upload_columns'][] = array(
				'name' => 'asteriskAccount_AstAccountLastQualifyMilliseconds',
				'description' => _('Last qualify milliseconds'),
				'help' => 'AstAccountLastQualifyMilliseconds',
			);
		}
		return $return;
	}

	/**
	 * This function fills the error message array with messages
	 */
	function load_Messages() {
		$this->messages['AstAccountCallerID'][0] = array('ERROR', _('Please enter a caller ID.'));
		$this->messages['AstAccountCallerID'][1] = array('ERROR', _('The caller ID format is invalid.'));
		$this->messages['AstAccountCallerID'][2] = array('ERROR', _('There is already another user with this caller ID.'));
		$this->messages['AstAccountCallerID'][3] = array('ERROR', _('Account %s:') . ' asteriskAccount_AstAccountCallerID', _('The caller ID format is invalid.'));
		$this->messages['AstAccountContext'][0] = array('ERROR', _('Please enter the extension context.'));
		$this->messages['AstAccountContext'][1] = array('ERROR', _('The extension context is invalid.'));
		$this->messages['AstAccountContext'][2] = array('ERROR', _('Account %s:') . ' asteriskAccount_AstAccountContext', _('The extension context is invalid.'));
		$this->messages['AstAccountHost'][0] = array('ERROR', _('Please enter the host name.'));
		$this->messages['AstAccountHost'][1] = array('ERROR', _('The host name is invalid.'));
		$this->messages['AstAccountHost'][2] = array('ERROR', _('Account %s:') . ' asteriskAccount_AstAccountHost', _('The host name is invalid.'));
		$this->messages['AstAccountType'][0] = array('ERROR', _('Please enter the account type.'));
		$this->messages['AstAccountType'][1] = array('ERROR', _('The account type is invalid.'));
		$this->messages['AstAccountType'][2] = array('ERROR', _('Account %s:') . ' asteriskAccount_AstAccountType', _('The account type is invalid.'));
		$this->messages['AstAccountFromUser'][0] = array('ERROR', _('Please enter a valid from user.'));
		$this->messages['AstAccountFromUser'][1] = array('ERROR', _('Account %s:') . ' asteriskAccount_AstAccountFromUser', _('Please enter a valid from user.'));
		$this->messages['AstAccountFromDomain'][0] = array('ERROR', _('Please enter a valid from domain.'));
		$this->messages['AstAccountFromDomain'][1] = array('ERROR', _('Account %s:') . ' asteriskAccount_AstAccountFromDomain', _('Please enter a valid from domain.'));
		$this->messages['AstAccountPort'][0] = array('ERROR', _('Please enter a valid port number.'));
		$this->messages['AstAccountPort'][1] = array('ERROR', _('Account %s:') . ' asteriskAccount_AstAccountPort', _('Please enter a valid port number.'));
		$this->messages['AstAccountIPAddress'][0] = array('ERROR', _('The IP address is invalid.'));
		$this->messages['AstAccountIPAddress'][1] = array('ERROR', _('Account %s:') . ' asteriskAccount_AstAccountIPAddress', _('The IP address is invalid.'));
		$this->messages['AstAccountDefaultUser'][0] = array('ERROR', _('Please enter a valid default user.'));
		$this->messages['AstAccountDefaultUser'][1] = array('ERROR', _('Account %s:') . ' asteriskAccount_AstAccountDefaultUser', _('Please enter a valid default user.'));
	}

	/**
	 * Returns the HTML meta data for the main account page.
	 *
	 * @return htmlElement HTML meta data
	 */
	function display_html_attributes() {
		$return = new htmlResponsiveRow();
		if (in_array('AsteriskSIPUser', $this->attributes['objectClass'])) {
			// caller ID
			$this->addSimpleInputTextField($return, 'AstAccountCallerID', _("Caller ID"), true);
			// host
			$this->addSimpleInputTextField($return, 'AstAccountHost', _("Host"), true);
			// context
			$this->addSimpleInputTextField($return, 'AstAccountContext', _("Account context"), true);
			// account type
			$this->addSimpleInputTextField($return, 'AstAccountType', _("Account type"), true);
			// user agent
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountUserAgent')) {
				$this->addSimpleInputTextField($return, 'AstAccountUserAgent', _("User agent"));
			}
			// AMA flags
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountAMAFlags')) {
				$AstAccountAMAFlagsOptions = array('-', 'default', 'omit', 'billing', 'documentation');
				$AstAccountAMAFlags = array();
				if (isset($this->attributes['AstAccountAMAFlags'][0])) {
					$AstAccountAMAFlags[] = $this->attributes['AstAccountAMAFlags'][0];
					if (($this->attributes['AstAccountAMAFlags'][0] != '') && !in_array($this->attributes['AstAccountAMAFlags'][0], $AstAccountAMAFlagsOptions)) {
						$AstAccountAMAFlagsOptions[] = $this->attributes['AstAccountAMAFlags'][0];
					}
				}
				$AstAccountAMAFlagsInput = new htmlResponsiveSelect('AstAccountAMAFlags', $AstAccountAMAFlagsOptions, $AstAccountAMAFlags, _("AMA flags"), 'AstAccountAMAFlags');
				$return->add($AstAccountAMAFlagsInput, 12);
			}
			// call groups
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountCallGroup')) {
				$this->addSimpleInputTextField($return, 'AstAccountCallGroup', _("Call groups"));
			}
			// DTMF flags
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountDTMFMode')) {
				$AstAccountDTMFModeOptions = array('-', 'inband', 'rfc2833', 'info', 'auto');
				$AstAccountDTMFMode = array();
				if (isset($this->attributes['AstAccountDTMFMode'][0])) {
					$AstAccountDTMFMode[] = $this->attributes['AstAccountDTMFMode'][0];
					if (($this->attributes['AstAccountDTMFMode'][0] != '') && !in_array($this->attributes['AstAccountDTMFMode'][0], $AstAccountDTMFModeOptions)) {
						$AstAccountDTMFModeOptions[] = $this->attributes['AstAccountDTMFMode'][0];
					}
				}
				$AstAccountDTMFModeInput = new htmlResponsiveSelect('AstAccountDTMFMode', $AstAccountDTMFModeOptions, $AstAccountDTMFMode, _("DTFM flags"), 'AstAccountDTMFMode');
				$return->add($AstAccountDTMFModeInput, 12);
			}
			// from user
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountFromUser')) {
				$this->addSimpleInputTextField($return, 'AstAccountFromUser', _("From user"));
			}
			// from domain
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountFromDomain')) {
				$this->addSimpleInputTextField($return, 'AstAccountFromDomain', _("From domain"));
			}
			// full contact
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountFullContact')) {
				$this->addSimpleInputTextField($return, 'AstAccountFullContact', _("Full contact"));
			}
			// insecure
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountInsecure')) {
				$AstAccountInsecureOptions = array('-', 'port', 'invite', 'port,invite');
				$AstAccountInsecure = array();
				if (isset($this->attributes['AstAccountInsecure'][0])) {
					$AstAccountInsecure[] = $this->attributes['AstAccountInsecure'][0];
					if (($this->attributes['AstAccountInsecure'][0] != '') && !in_array($this->attributes['AstAccountInsecure'][0], $AstAccountInsecureOptions)) {
						$AstAccountInsecureOptions[] = $this->attributes['AstAccountInsecure'][0];
					}
				}
				$AstAccountInsecureInput = new htmlResponsiveSelect('AstAccountInsecure', $AstAccountInsecureOptions, $AstAccountInsecure, _("Insecure"), 'AstAccountInsecure');
				$return->add($AstAccountInsecureInput, 12);
			}
			// mailbox
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountMailbox')) {
				$this->addSimpleInputTextField($return, 'AstAccountMailbox', _("Mailbox"));
			}
			// NAT
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountNAT')) {
				$AstAccountNATOptions = array('-', 'yes', 'no', 'never', 'route');
				$AstAccountNAT = array();
				if (isset($this->attributes['AstAccountNAT'][0])) {
					$AstAccountNAT[] = $this->attributes['AstAccountNAT'][0];
					if (($this->attributes['AstAccountNAT'][0] != '') && !in_array($this->attributes['AstAccountNAT'][0], $AstAccountNATOptions)) {
						$AstAccountNATOptions[] = $this->attributes['AstAccountNAT'][0];
					}
				}
				$AstAccountNATInput = new htmlResponsiveSelect('AstAccountNAT', $AstAccountNATOptions, $AstAccountNAT, _("NAT"), 'AstAccountNAT');
				$return->add($AstAccountNATInput, 12);
			}
			// deny
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountDeny')) {
				$this->addSimpleInputTextField($return, 'AstAccountDeny', _("Deny"));
			}
			// permit
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountPermit')) {
				$this->addSimpleInputTextField($return, 'AstAccountPermit', _("Permit"));
			}
			// pickup group
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountPickupGroup')) {
				$this->addSimpleInputTextField($return, 'AstAccountPickupGroup', _("Pickup group"));
			}
			// port
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountPort')) {
				$AstAccountPort = $this->addSimpleInputTextField($return, 'AstAccountPort', _("Port"));
				$AstAccountPort->setValidationRule(htmlElement::VALIDATE_NUMERIC);
			}
			// qualify
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountQualify')) {
				$this->addSimpleInputTextField($return, 'AstAccountQualify', _("Qualify"));
			}
			// restrict caller ID
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountRestrictCID')) {
				$this->addSimpleInputTextField($return, 'AstAccountRestrictCID', _("Restrict caller ID"));
			}
			// RTP timeout
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountRTPTimeout')) {
				$AstAccountRTPTimeout = $this->addSimpleInputTextField($return, 'AstAccountRTPTimeout', _("RTP timeout"));
				$AstAccountRTPTimeout->setValidationRule(htmlElement::VALIDATE_NUMERIC);
			}
			// RTP hold timeout
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountRTPHoldTimeout')) {
				$AstAccountRTPHoldTimeoutInput = $this->addSimpleInputTextField($return, 'AstAccountRTPHoldTimeout', _("RTP hold timeout"));
				$AstAccountRTPHoldTimeoutInput->setValidationRule(htmlElement::VALIDATE_NUMERIC);
			}
			// disallowed codec
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountDisallowedCodec')) {
				$this->addSimpleInputTextField($return, 'AstAccountDisallowedCodec', _("Disallowed codec"));
			}
			// allowed codec
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountAllowedCodec')) {
				$this->addSimpleInputTextField($return, 'AstAccountAllowedCodec', _("Allowed codec"));
			}
			// music on hold
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountMusicOnHold')) {
				$this->addSimpleInputTextField($return, 'AstAccountMusicOnHold', _("Music on hold"));
			}
			// expiration timestamp
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountExpirationTimestamp')) {
				$this->addSimpleInputTextField($return, 'AstAccountExpirationTimestamp', _("Expiration timestamp"));
			}
			// registration context
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountRegistrationContext')) {
				$this->addSimpleInputTextField($return, 'AstAccountRegistrationContext', _("Registration context"));
			}
			// registration extension
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountRegistrationExten')) {
				$this->addSimpleInputTextField($return, 'AstAccountRegistrationExten', _("Registration extension"));
			}
			// can call forward
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountCanCallForward')) {
				$AstAccountCanCallForwardOptions = array('-', 'yes', 'no');
				$AstAccountCanCallForward = array();
				if (isset($this->attributes['AstAccountCanCallForward'][0])) {
					$AstAccountCanCallForward[] = $this->attributes['AstAccountCanCallForward'][0];
					if (($this->attributes['AstAccountCanCallForward'][0] != '') && !in_array($this->attributes['AstAccountCanCallForward'][0], $AstAccountCanCallForwardOptions)) {
						$AstAccountCanCallForwardOptions[] = $this->attributes['AstAccountCanCallForward'][0];
					}
				}
				$AstAccountCanCallForwardInput = new htmlResponsiveSelect('AstAccountCanCallForward', $AstAccountCanCallForwardOptions, $AstAccountCanCallForward, _("Can call forward"), 'AstAccountCanCallForward');
				$return->add($AstAccountCanCallForwardInput, 12);
			}
			// IP address
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountIPAddress')) {
				$this->addSimpleInputTextField($return, 'AstAccountIPAddress', _("IP address"));
			}
			// default user
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountDefaultUser')) {
				$this->addSimpleInputTextField($return, 'AstAccountDefaultUser', _("Default user"));
			}
			// registration server
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountRegistrationServer')) {
				$this->addSimpleInputTextField($return, 'AstAccountRegistrationServer', _("Registration server"));
			}
			// last qualify milliseconds
			if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountLastQualifyMilliseconds')) {
				$this->addSimpleInputTextField($return, 'AstAccountLastQualifyMilliseconds', _("Last qualify milliseconds"));
			}
		}
		else {
			$return->add(new htmlButton('addObjectClass', _('Add Asterisk account')), 12);
		}
		return $return;
	}

	/**
	 * Write variables into object and do some regex checks
	 */
	function process_attributes() {
		if (isset($_POST['addObjectClass'])) {
			$this->attributes['objectClass'][] = 'AsteriskSIPUser';
			return array();
		}
		if (!in_array('AsteriskSIPUser', $this->attributes['objectClass'])) {
			return array();
		}
		$errors = array();
		$this->attributes['AstAccountCallerID'] = array();
		$this->attributes['AstAccountHost'] = array();
		$this->attributes['AstAccountContext'] = array();
		$this->attributes['AstAccountType'] = array();
		if (isset($_POST['AstAccountCallerID'])) {
			$this->attributes['AstAccountCallerID'][0] = $_POST['AstAccountCallerID'];
			// check if caller ID is empty
			if($this->attributes['AstAccountCallerID'][0] == '') {
				$errors[] = $this->messages['AstAccountCallerID'][0];
			}
			// check format
			else if (!get_preg($this->attributes['AstAccountCallerID'][0], 'username')) {
				$errors[] = $this->messages['AstAccountCallerID'][1];
			}
			// check for duplicate caller ID
			else if (!isset($this->orig['AstAccountCallerID'][0])
					|| ($this->orig['AstAccountCallerID'][0] != $this->attributes['AstAccountCallerID'][0])) {
				$entries = searchLDAPByAttribute('AstAccountCallerID', $this->attributes['AstAccountCallerID'][0], 'AsteriskSIPUser', array('dn'), array('user'));
				if (sizeof($entries) > 0) {
					$errors[] = $this->messages['AstAccountCallerID'][2];
				}
			}
		}
		if (isset($_POST['AstAccountHost'])) {
			$this->attributes['AstAccountHost'][0] = $_POST['AstAccountHost'];
			if($this->attributes['AstAccountHost'][0] == '') {
				$errors[] = $this->messages['AstAccountHost'][0];
			}
			elseif (!get_preg($this->attributes['AstAccountHost'][0], 'hostname')) {
				$errors[] = $this->messages['AstAccountHost'][1];
			}
		}
		if (isset($_POST['AstAccountContext'])) {
			$this->attributes['AstAccountContext'][0] = $_POST['AstAccountContext'];
			if($this->attributes['AstAccountContext'][0] == '') {
				$errors[] = $this->messages['AstAccountContext'][0];
			}
			elseif (!get_preg($this->attributes['AstAccountContext'][0], 'username')) {
				$errors[] = $this->messages['AstAccountContext'][1];
			}
		}
		if (isset($_POST['AstAccountType'])) {
			$this->attributes['AstAccountType'][0] = $_POST['AstAccountType'];
			if($this->attributes['AstAccountType'][0] == '') {
				$errors[] = $this->messages['AstAccountType'][0];
			}
			elseif (!get_preg($this->attributes['AstAccountType'][0], 'username')) {
				$errors[] = $this->messages['AstAccountType'][1];
			}
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountUserAgent')) {
			$this->attributes['AstAccountUserAgent'][0] = $_POST['AstAccountUserAgent'];
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountAMAFlags')) {
			if (($_POST['AstAccountAMAFlags'] == '-') && isset($this->attributes['AstAccountAMAFlags'][0])) {
				unset($this->attributes['AstAccountAMAFlags'][0]);
			}
			else {
				$this->attributes['AstAccountAMAFlags'][0] = $_POST['AstAccountAMAFlags'];
			}
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountCallGroup')) {
			$this->attributes['AstAccountCallGroup'][0] = $_POST['AstAccountCallGroup'];
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountDTMFMode')) {
			if (($_POST['AstAccountDTMFMode'] == '-') && isset($this->attributes['AstAccountDTMFMode'][0])) {
				unset($this->attributes['AstAccountDTMFMode'][0]);
			}
			else {
				$this->attributes['AstAccountDTMFMode'][0] = $_POST['AstAccountDTMFMode'];
			}
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountFromUser')) {
			$this->attributes['AstAccountFromUser'][0] = $_POST['AstAccountFromUser'];
			if (($_POST['AstAccountFromUser'] != '') && !get_preg($_POST['AstAccountFromUser'], 'username')) {
				$errors[] = $this->messages['AstAccountFromUser'][0];
			}
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountFromDomain')) {
			$this->attributes['AstAccountFromDomain'][0] = $_POST['AstAccountFromDomain'];
			if (($_POST['AstAccountFromDomain'] != '') && !get_preg($_POST['AstAccountFromDomain'], 'domainname')) {
				$errors[] = $this->messages['AstAccountFromDomain'][0];
			}
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountFullContact')) {
			$this->attributes['AstAccountFullContact'][0] = $_POST['AstAccountFullContact'];
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountInsecure')) {
			if (($_POST['AstAccountInsecure'] == '-') && isset($this->attributes['AstAccountInsecure'][0])) {
				unset($this->attributes['AstAccountInsecure'][0]);
			}
			else {
				$this->attributes['AstAccountInsecure'][0] = $_POST['AstAccountInsecure'];
			}
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountMailbox')) {
			$this->attributes['AstAccountMailbox'][0] = $_POST['AstAccountMailbox'];
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountNAT')) {
			if (($_POST['AstAccountNAT'] == '-') && isset($this->attributes['AstAccountNAT'][0])) {
				unset($this->attributes['AstAccountNAT'][0]);
			}
			else {
				$this->attributes['AstAccountNAT'][0] = $_POST['AstAccountNAT'];
			}
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountDeny')) {
			$this->attributes['AstAccountDeny'][0] = $_POST['AstAccountDeny'];
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountPermit')) {
			$this->attributes['AstAccountPermit'][0] = $_POST['AstAccountPermit'];
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountPickupGroup')) {
			$this->attributes['AstAccountPickupGroup'][0] = $_POST['AstAccountPickupGroup'];
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountPort')) {
			$this->attributes['AstAccountPort'][0] = $_POST['AstAccountPort'];
			if (($_POST['AstAccountPort'] != '') && !get_preg($_POST['AstAccountPort'], 'digit')) {
				$errors[] = $this->messages['AstAccountPort'][0];
			}
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountQualify')) {
			$this->attributes['AstAccountQualify'][0] = $_POST['AstAccountQualify'];
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountRestrictCID')) {
			$this->attributes['AstAccountRestrictCID'][0] = $_POST['AstAccountRestrictCID'];
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountRTPTimeout')) {
			$this->attributes['AstAccountRTPTimeout'][0] = $_POST['AstAccountRTPTimeout'];
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountRTPHoldTimeout')) {
			$this->attributes['AstAccountRTPHoldTimeout'][0] = $_POST['AstAccountRTPHoldTimeout'];
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountDisallowedCodec')) {
			$this->attributes['AstAccountDisallowedCodec'][0] = $_POST['AstAccountDisallowedCodec'];
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountAllowedCodec')) {
			$this->attributes['AstAccountAllowedCodec'][0] = $_POST['AstAccountAllowedCodec'];
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountMusicOnHold')) {
			$this->attributes['AstAccountMusicOnHold'][0] = $_POST['AstAccountMusicOnHold'];
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountExpirationTimestamp')) {
			$this->attributes['AstAccountExpirationTimestamp'][0] = $_POST['AstAccountExpirationTimestamp'];
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountRegistrationContext')) {
			$this->attributes['AstAccountRegistrationContext'][0] = $_POST['AstAccountRegistrationContext'];
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountRegistrationExten')) {
			$this->attributes['AstAccountRegistrationExten'][0] = $_POST['AstAccountRegistrationExten'];
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountCanCallForward')) {
			if (($_POST['AstAccountCanCallForward'] == '-') && isset($this->attributes['AstAccountCanCallForward'][0])) {
				unset($this->attributes['AstAccountCanCallForward'][0]);
			}
			else {
				$this->attributes['AstAccountCanCallForward'][0] = $_POST['AstAccountCanCallForward'];
			}
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountIPAddress')) {
			$this->attributes['AstAccountIPAddress'][0] = $_POST['AstAccountIPAddress'];
			if (($_POST['AstAccountIPAddress'] != '') && !get_preg($_POST['AstAccountIPAddress'], 'ip')) {
				$errors[] = $this->messages['AstAccountIPAddress'][0];
			}
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountDefaultUser')) {
			$this->attributes['AstAccountDefaultUser'][0] = $_POST['AstAccountDefaultUser'];
			if (($_POST['AstAccountDefaultUser'] != '') && !get_preg($_POST['AstAccountDefaultUser'], 'username')) {
				$errors[] = $this->messages['AstAccountDefaultUser'][0];
			}
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountRegistrationServer')) {
			$this->attributes['AstAccountRegistrationServer'][0] = $_POST['AstAccountRegistrationServer'];
		}
		if (!$this->isBooleanConfigOptionSet('asteriskAccount_hideAstAccountLastQualifyMilliseconds')) {
			$this->attributes['AstAccountLastQualifyMilliseconds'][0] = $_POST['AstAccountLastQualifyMilliseconds'];
		}
		return $errors;
	}

	/**
	* 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('AsteriskSIPUser', $this->attributes['objectClass'])) {
			return array();
		}
		return $this->getAccountContainer()->save_module_attributes($this->attributes, $this->orig);
	}

	/**
	 * {@inheritDoc}
	 * @see baseModule::get_pdfEntries()
	 */
	function get_pdfEntries($pdfKeys, $typeId) {
		$return = array();
		$this->addSimplePDFField($return, 'AstAccountCallerID', _('Caller ID'));
		$this->addSimplePDFField($return, 'AstAccountContext', _('Account context'));
		$this->addSimplePDFField($return, 'AstAccountHost', _('Host'));
		$this->addSimplePDFField($return, 'AstAccountType', _('Account type'));
		$this->addSimplePDFField($return, 'AstAccountUserAgent', _('User agent'));
		$this->addSimplePDFField($return, 'AstAccountAMAFlags', _('AMA flags'));
		$this->addSimplePDFField($return, 'AstAccountCallGroup', _('Call groups'));
		$this->addSimplePDFField($return, 'AstAccountDTMFMode', _('DTMF mode'));
		$this->addSimplePDFField($return, 'AstAccountFromUser', _('From user'));
		$this->addSimplePDFField($return, 'AstAccountFromDomain', _('From domain'));
		$this->addSimplePDFField($return, 'AstAccountFullContact', _('Full contact'));
		$this->addSimplePDFField($return, 'AstAccountInsecure', _('Insecure'));
		$this->addSimplePDFField($return, 'AstAccountMailbox', _('Mailbox'));
		$this->addSimplePDFField($return, 'AstAccountNAT', _('NAT'));
		$this->addSimplePDFField($return, 'AstAccountDeny', _('Deny'));
		$this->addSimplePDFField($return, 'AstAccountPermit', _('Permit'));
		$this->addSimplePDFField($return, 'AstAccountPickupGroup', _('Pickup group'));
		$this->addSimplePDFField($return, 'AstAccountPort', _('Port'));
		$this->addSimplePDFField($return, 'AstAccountQualify', _('Qualify'));
		$this->addSimplePDFField($return, 'AstAccountRestrictCID', _('Restrict caller ID'));
		$this->addSimplePDFField($return, 'AstAccountRTPTimeout', _('RTP timeout'));
		$this->addSimplePDFField($return, 'AstAccountRTPHoldTimeout', _('RTP hold timeout'));
		$this->addSimplePDFField($return, 'AstAccountDisallowedCodec', _('Disallowed codec'));
		$this->addSimplePDFField($return, 'AstAccountAllowedCodec', _('Allowed codec'));
		$this->addSimplePDFField($return, 'AstAccountMusicOnHold', _('Music on hold'));
		$this->addSimplePDFField($return, 'AstAccountExpirationTimestamp', _('Expiration timestamp'));
		$this->addSimplePDFField($return, 'AstAccountRegistrationContext', _('Registration context'));
		$this->addSimplePDFField($return, 'AstAccountRegistrationExten', _('Registration extension'));
		$this->addSimplePDFField($return, 'AstAccountCanCallForward', _('Can call forward'));
		$this->addSimplePDFField($return, 'AstAccountIPAddress', _('IP address'));
		$this->addSimplePDFField($return, 'AstAccountDefaultUser', _('Default user'));
		$this->addSimplePDFField($return, 'AstAccountRegistrationServer', _('Registration server'));
		$this->addSimplePDFField($return, 'AstAccountLastQualifyMilliseconds', _('Last qualify milliseconds'));
		return $return;
	}

	/**
	 * {@inheritDoc}
	 * @see baseModule::build_uploadAccounts()
	 */
	function build_uploadAccounts($rawAccounts, $ids, &$partialAccounts, $selectedModules, &$type) {
		$messages = array();
		for ($i = 0; $i < sizeof($rawAccounts); $i++) {
		// add object class
			if (!in_array("AsteriskSIPUser", $partialAccounts[$i]['objectClass'])) $partialAccounts[$i]['objectClass'][] = "AsteriskSIPUser";
			// add account caller id
			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountCallerID', 'AstAccountCallerID',
				'username', $this->messages['AstAccountCallerID'][3], $messages);
			// add host
			if (empty($rawAccounts[$i][$ids['asteriskAccount_AstAccountHost']])) {
				// default value
				$partialAccounts[$i]['AstAccountHost'] = 'dynamic';
			}
			else {
				$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountHost', 'AstAccountHost',
					'realname', $this->messages['AstAccountHost'][2], $messages);
			}
			//add context
			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountContext', 'AstAccountContext',
				'realname', $this->messages['AstAccountContext'][2], $messages);
			//add account type
			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountType', 'AstAccountType',
				'username', $this->messages['AstAccountType'][2], $messages);
			//add password
			if ($rawAccounts[$i][$ids['asteriskAccount_AstAccountRealmedPassword']] != "") {
				$attributes = array('AstAccountCallerID' => array($partialAccounts[$i]['AstAccountCallerID'])); // fake attribute list for password building
				$pwdString = asteriskAccount::buildPasswordString($attributes, $this->moduleSettings, $rawAccounts[$i][$ids['asteriskAccount_AstAccountRealmedPassword']]);
				$partialAccounts[$i]['AstAccountRealmedPassword'] = $pwdString;
			}

			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountUserAgent', 'AstAccountUserAgent');
			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountAMAFlags', 'AstAccountAMAFlags');
			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountCallGroup', 'AstAccountCallGroup');
			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountDTMFMode', 'AstAccountDTMFMode');

			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountFromUser', 'AstAccountFromUser',
				'username', $this->messages['AstAccountFromUser'][1], $messages);

			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountFromDomain', 'AstAccountFromDomain',
				'domainname', $this->messages['AstAccountFromDomain'][1], $messages);

			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountFullContact', 'AstAccountFullContact');
			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountInsecure', 'AstAccountInsecure');
			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountMailbox', 'AstAccountMailbox');
			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountNAT', 'AstAccountNAT');
			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountDeny', 'AstAccountDeny');
			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountPermit', 'AstAccountPermit');
			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountPickupGroup', 'AstAccountPickupGroup');

			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountPort', 'AstAccountPort',
				'digit', $this->messages['AstAccountPort'][1], $messages);

			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountQualify', 'AstAccountQualify');
			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountRestrictCID', 'AstAccountRestrictCID');
			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountRTPTimeout', 'AstAccountRTPTimeout');
			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountRTPHoldTimeout', 'AstAccountRTPHoldTimeout');
			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountDisallowedCodec', 'AstAccountDisallowedCodec');
			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountAllowedCodec', 'AstAccountAllowedCodec');
			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountMusicOnHold', 'AstAccountMusicOnHold');
			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountExpirationTimestamp', 'AstAccountExpirationTimestamp');
			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountRegistrationContext', 'AstAccountRegistrationContext');
			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountRegistrationExten', 'AstAccountRegistrationExten');
			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountCanCallForward', 'AstAccountCanCallForward');

			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountIPAddress', 'AstAccountIPAddress',
				'ip', $this->messages['AstAccountIPAddress'][1], $messages);

			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountDefaultUser', 'AstAccountDefaultUser',
				'username', $this->messages['AstAccountDefaultUser'][1], $messages);

			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountRegistrationServer', 'AstAccountRegistrationServer');
			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'asteriskAccount_AstAccountLastQualifyMilliseconds', 'AstAccountLastQualifyMilliseconds');
		}
		return $messages;
	}



        /**
	 * This method specifies if a module manages password attributes.
	 * @see passwordService::managesPasswordAttributes
	 *
	 * @return boolean true if this module manages password attributes
	 */
	public function managesPasswordAttributes() {
		if (!in_array('AsteriskSIPUser', $this->attributes['objectClass'])) {
			return false;
		}
		return true;
	}

	/**
	 * Specifies if this module supports to force that a user must change his password on next login.
	 *
	 * @return boolean force password change supported
	 */
	public function supportsForcePasswordChange() {
		return false;
	}

	/**
	 * This function is called whenever the password should be changed. Account modules
	 * must change their password attributes only if the modules list contains their module name.
	 *
	 * @param String $password new password
	 * @param $modules list of modules for which the password should be changed
	 * @param boolean $forcePasswordChange force the user to change his password at next login
	 * @return array list of error messages if any as parameter array for StatusMessage
	 *			   e.g. return array(array('ERROR', 'Password change failed.'))
	 * @see passwordService::passwordChangeRequested
	 */
	public function passwordChangeRequested($password, $modules, $forcePasswordChange) {
		if (!in_array(get_class($this), $modules)) {
			return array();
		}
		$this->attributes['AstAccountRealmedPassword'][0] = asteriskAccount::buildPasswordString($this->attributes, $this->moduleSettings, $password);
		return array();
	}

	/**
	 * Builds the password string for the password attribute.
	 *
	 * @param array $attributes LDAP attributes
	 * @param array $moduleSettings module configuration settings
	 * @param String $password password
	 * @return String value for password attribute
	 */
	public static function buildPasswordString(&$attributes, &$moduleSettings, $password) {
		$astRealm = asteriskAccount::ASTERISK_DEFAULT_REALM;
		if (!empty($moduleSettings['asteriskAccount_AsteriskRealm'][0])){
			$astRealm = $moduleSettings['asteriskAccount_AsteriskRealm'][0];
		}
		return asteriskAccount::hashPassword($attributes['AstAccountCallerID'][0] . ":" . $astRealm . ":" . $password);
	}

	/**
	 * Hashes a password value to Asterisk format.
	 *
	 * @param String $password password
	 * @return String hash
	 */
	private static function hashPassword($password) {
		return "{MD5}" . md5($password);
	}

	/**
	 * Checks if all input values are correct and returns the LDAP attributes which should be changed.
	 * <br>Return values:
	 * <br>messages: array of parameters to create status messages
	 * <br>add: array of attributes to add
	 * <br>del: array of attributes to remove
	 * <br>mod: array of attributes to modify
	 * <br>info: array of values with informational value (e.g. to be used later by pre/postModify actions)
	 *
	 * Calling this method does not require the existence of an enclosing {@link accountContainer}.
	 *
	 * @param string $fields input fields
	 * @param array $attributes LDAP attributes
	 * @param boolean $passwordChangeOnly indicates that the user is only allowed to change his password and no LDAP content is readable
	 * @param array $readOnlyFields list of read-only fields
	 * @return array messages and attributes (array('messages' => array(), 'add' => array('mail' => array('test@test.com')), 'del' => array(), 'mod' => array(), 'info' => array()))
	 */
	function checkSelfServiceOptions($fields, $attributes, $passwordChangeOnly, $readOnlyFields) {
		$return = array('messages' => array(), 'add' => array(), 'del' => array(), 'mod' => array(), 'info' => array());
		if (!isset($attributes['objectClass']) || !in_array_ignore_case('AsteriskSIPUser', $attributes['objectClass'])) {
			return $return;
		}
		if (isset($_POST['posixAccount_password']) && ($_POST['posixAccount_password'] != '')) {
			if ($_POST['posixAccount_password'] != $_POST['posixAccount_password2']) {
				return $return;
			}
			else {
				if (!get_preg($_POST['posixAccount_password'], 'password')) {
					return $return;
				}
				else {
					// sync password
					if (in_array('syncAsteriskPassword', $fields)) {
						$return['mod']['AstAccountRealmedPassword'][0] = asteriskAccount::buildPasswordString($attributes, $this->selfServiceSettings->moduleSettings, $_POST['posixAccount_password']);
					}
				}
			}
		}
		return $return;
	}

	/**
	* Returns a list of configuration options.
	*
	* Calling this method does not require the existence of an enclosing {@link accountContainer}.<br>
	* <br>
	* The field names are used as keywords to load and save settings.
	* We recommend to use the module name as prefix for them (e.g. posixAccount_homeDirectory) to avoid naming conflicts.
	*
	* @param array $scopes account types (user, group, host)
	* @param array $allScopes list of all active account modules and their scopes (module => array(scopes))
	* @return mixed htmlElement or array of htmlElement
	*
	* @see htmlElement
	*/
	public function get_configOptions($scopes, $allScopes) {
		$configContainer = new htmlResponsiveRow();
		$configContainer->add(new htmlResponsiveInputField(_('Asterisk realm'), 'asteriskAccount_AsteriskRealm', null, 'AsteriskRealm'), 12);
		$configContainer->addVerticalSpacer('1rem');
		$configHiddenHead = new htmlGroup();
		$configHiddenHead->addElement(new htmlOutputText(_('Hidden options')));
		$configHiddenHead->addElement(new htmlHelpLink('hiddenOptions'));
		$configContainer->add($configHiddenHead, 12);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountUserAgent', false, _('User agent'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountAMAFlags', false, _('AMA flags'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountCallGroup', false, _('Call groups'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountDTMFMode', false, _('DTFM flags'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountFromUser', false, _('From user'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountFromDomain', false, _('From domain'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountFullContact', false, _('Full contact'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountInsecure', false, _('Insecure'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountMailbox', false, _('Mailbox'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountNAT', false, _('NAT'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountDeny', false, _('Deny'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountPermit', false, _('Permit'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountPickupGroup', false, _('Pickup group'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountPort', false, _('Port'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountQualify', false, _('Qualify'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountRestrictCID', false, _('Restrict caller ID'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountRTPTimeout', false, _('RTP timeout'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountRTPHoldTimeout', false, _('RTP hold timeout'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountDisallowedCodec', false, _('Disallowed codec'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountAllowedCodec', false, _('Allowed codec'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountMusicOnHold', false, _('Music on hold'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountExpirationTimestamp', false, _('Expiration timestamp'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountRegistrationContext', false, _('Registration context'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountRegistrationExten', false, _('Registration extension'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountCanCallForward', false, _('Can call forward'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountIPAddress', false, _('IP address'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountDefaultUser', false, _('Default user'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountRegistrationServer', false, _('Registration server'), null, true), 12, 4);
		$configContainer->add(new htmlResponsiveInputCheckbox('asteriskAccount_hideAstAccountLastQualifyMilliseconds', false, _('Last qualify milliseconds'), null, true), 12, 4);
		$configContainer->add(new htmlOutputText(''), 0, 4);
		return $configContainer;
	}

}

?>
