<?php
/*
 * system_advanced_notifications.php
 *
 * part of pfSense (https://www.pfsense.org)
 * Copyright (c) 2004-2016 Rubicon Communications, LLC (Netgate)
 * All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

##|+PRIV
##|*IDENT=page-system-advanced-notifications
##|*NAME=System: Advanced: Notifications
##|*DESCR=Allow access to the 'System: Advanced: Notifications' page.
##|*MATCH=system_advanced_notifications.php*
##|-PRIV

require_once("guiconfig.inc");
require_once("notices.inc");
require_once("pfsense-utils.inc");

// Growl
$pconfig['disable_growl'] = isset($config['notifications']['growl']['disable']);
if ($config['notifications']['growl']['password']) {
	$pconfig['password'] = $config['notifications']['growl']['password'];
}
if ($config['notifications']['growl']['ipaddress']) {
	$pconfig['ipaddress'] = $config['notifications']['growl']['ipaddress'];
}

if ($config['notifications']['growl']['notification_name']) {
	$pconfig['notification_name'] = $config['notifications']['growl']['notification_name'];
} else {
  $pconfig['notification_name'] = "{$g['product_name']} growl alert";
}

if ($config['notifications']['growl']['name']) {
	$pconfig['name'] = $config['notifications']['growl']['name'];
} else {
  $pconfig['name'] = 'pfSense-Growl';
}


// SMTP
$pconfig['disable_smtp'] = isset($config['notifications']['smtp']['disable']);
if ($config['notifications']['smtp']['ipaddress']) {
	$pconfig['smtpipaddress'] = $config['notifications']['smtp']['ipaddress'];
}
if ($config['notifications']['smtp']['port']) {
	$pconfig['smtpport'] = $config['notifications']['smtp']['port'];
}
if (isset($config['notifications']['smtp']['ssl'])) {
	$pconfig['smtpssl'] = true;
}
if (!empty($config['notifications']['smtp']['timeout'])) {
	$pconfig['smtptimeout'] = $config['notifications']['smtp']['timeout'];
}
if ($config['notifications']['smtp']['notifyemailaddress']) {
	$pconfig['smtpnotifyemailaddress'] = $config['notifications']['smtp']['notifyemailaddress'];
}
if ($config['notifications']['smtp']['username']) {
	$pconfig['smtpusername'] = $config['notifications']['smtp']['username'];
}
if ($config['notifications']['smtp']['password']) {
	$pconfig['smtppassword'] = $config['notifications']['smtp']['password'];
}
if ($config['notifications']['smtp']['authentication_mechanism']) {
	$pconfig['smtpauthmech'] = $config['notifications']['smtp']['authentication_mechanism'];
}
if ($config['notifications']['smtp']['fromaddress']) {
	$pconfig['smtpfromaddress'] = $config['notifications']['smtp']['fromaddress'];
}

// System Sounds
$pconfig['disablebeep'] = isset($config['system']['disablebeep']);

if ($_POST) {
	unset($input_errors);
	$pconfig = $_POST;

	$testgrowl = isset($_POST['test-growl']);
	$testsmtp = isset($_POST['test-smtp']);
	if (isset($_POST['save']) || $testsmtp || $testgrowl) {

		// Growl
		$config['notifications']['growl']['ipaddress'] = $_POST['ipaddress'];
		if ($_POST['password'] != DMYPWD) {
			if ($_POST['password'] == $_POST['password_confirm']) {
				$config['notifications']['growl']['password'] = $_POST['password'];
			} else {
				// Bug #7129 - do not nag people about passwords mismatch when growl is disabled
				if ($_POST['disable_growl'] != "yes") {
					$input_errors[] = gettext("Growl passwords must match");
				}
			}
		}

		$config['notifications']['growl']['name'] = $_POST['name'];
		$config['notifications']['growl']['notification_name'] = $_POST['notification_name'];

		if ($_POST['disable_growl'] == "yes") {
			$config['notifications']['growl']['disable'] = true;
		} else {
			unset($config['notifications']['growl']['disable']);
		}

		// SMTP
		$config['notifications']['smtp']['ipaddress'] = $_POST['smtpipaddress'];
		$config['notifications']['smtp']['port'] = $_POST['smtpport'];
		if (isset($_POST['smtpssl'])) {
			$config['notifications']['smtp']['ssl'] = true;
		} else {
			unset($config['notifications']['smtp']['ssl']);
		}

		$config['notifications']['smtp']['timeout'] = $_POST['smtptimeout'];
		$config['notifications']['smtp']['notifyemailaddress'] = $_POST['smtpnotifyemailaddress'];
		$config['notifications']['smtp']['username'] = $_POST['smtpusername'];

		if ($_POST['smtppassword'] != DMYPWD) {
			if ($_POST['smtppassword'] == $_POST['smtppassword_confirm']) {
				$config['notifications']['smtp']['password'] = $_POST['smtppassword'];
			} else {
				if ($_POST['disable_smtp'] != "yes") {
					// Bug #7129 - do not nag people about passwords mismatch when SMTP notifications are disabled
					$input_errors[] = gettext("SMTP passwords must match");
				}
			}
		}

		$config['notifications']['smtp']['authentication_mechanism'] = $_POST['smtpauthmech'];
		$config['notifications']['smtp']['fromaddress'] = $_POST['smtpfromaddress'];

		if ($_POST['disable_smtp'] == "yes") {
			$config['notifications']['smtp']['disable'] = true;
		} else {
			unset($config['notifications']['smtp']['disable']);
		}

		// System Sounds
		if ($_POST['disablebeep'] == "yes") {
			$config['system']['disablebeep'] = true;
		} else {
			unset($config['system']['disablebeep']);
		}

		if (!$input_errors && !$testsmtp && !$testgrowl) {
			write_config();

			pfSenseHeader("system_advanced_notifications.php");
			return;
		}

	}

	if ($testgrowl) {
		// Send test message via growl
		if (isset($config['notifications']['growl']['ipaddress'])) {
			unlink_if_exists($g['vardb_path'] . "/growlnotices_lastmsg.txt");
			register_via_growl();
			$test_result = notify_via_growl(sprintf(gettext("This is a test message from %s.  It is safe to ignore this message."), $g['product_name']), true);
			if (empty($test_result)) {
				$test_result = gettext("Growl testing notification successfully sent");
				$test_class = 'success';
			} else {
				$test_class = 'danger';
			}
		}
	}

	if ($testsmtp) {
		// Send test message via smtp
		if (file_exists("/var/db/notices_lastmsg.txt")) {
			unlink("/var/db/notices_lastmsg.txt");
		}
		$test_result = notify_via_smtp(sprintf(gettext("This is a test message from %s. It is safe to ignore this message."), $g['product_name']), true);
		if (empty($test_result)) {
			$test_result = gettext("SMTP testing e-mail successfully sent");
			$test_class = 'success';
		} else {
			$test_class = 'danger';
		}
	}
}

$pgtitle = array(gettext("System"), gettext("Advanced"), gettext("Notifications"));
$pglinks = array("", "system_advanced_admin.php", "@self");
include("head.inc");

if ($input_errors) {
	print_input_errors($input_errors);
}

if ($test_result) {
	print_info_box($test_result, $test_class);
}

$tab_array = array();
$tab_array[] = array(gettext("Admin Access"), false, "system_advanced_admin.php");
$tab_array[] = array(htmlspecialchars(gettext("Firewall & NAT")), false, "system_advanced_firewall.php");
$tab_array[] = array(gettext("Networking"), false, "system_advanced_network.php");
$tab_array[] = array(gettext("Miscellaneous"), false, "system_advanced_misc.php");
$tab_array[] = array(gettext("System Tunables"), false, "system_advanced_sysctl.php");
$tab_array[] = array(gettext("Notifications"), true, "system_advanced_notifications.php");
display_top_tabs($tab_array);

$form = new Form;

$section = new Form_Section('E-Mail');

$section->addInput(new Form_Checkbox(
	'disable_smtp',
	'Disable SMTP',
	'Disable SMTP Notifications',
	$pconfig['disable_smtp']
))->setHelp('Check this option to disable SMTP notifications but preserve the '.
	'settings below. Some other mechanisms, such as packages, may need these settings '.
	'in place to function.');

$section->addInput(new Form_Input(
	'smtpipaddress',
	'E-Mail server',
	'text',
	$pconfig['smtpipaddress']
))->setHelp('This is the FQDN or IP address of the SMTP E-Mail server to '.
	'which notifications will be sent.');

$section->addInput(new Form_Input(
	'smtpport',
	'SMTP Port of E-Mail server',
	'number',
	$pconfig['smtpport']
))->setHelp('This is the port of the SMTP E-Mail server, typically 25, 587 '.
	'(submission) or 465 (smtps).');

$section->addInput(new Form_Input(
	'smtptimeout',
	'Connection timeout to E-Mail server',
	'number',
	$pconfig['smtptimeout']
))->setHelp('This is how many seconds it will wait for the SMTP server to connect. Default is 20s.');

$group = new Form_Group('Secure SMTP Connection');
$group->add(new Form_Checkbox(
	'smtpssl',
	'Enable SSL/TLS',
	'Enable SMTP over SSL/TLS',
	isset($pconfig['smtpssl'])
));

$section->add($group);

$section->addInput(new Form_Input(
	'smtpfromaddress',
	'From e-mail address',
	'text',
	$pconfig['smtpfromaddress']
))->setHelp('This is the e-mail address that will appear in the from field.');

$section->addInput(new Form_Input(
	'smtpnotifyemailaddress',
	'Notification E-Mail address',
	'text',
	$pconfig['smtpnotifyemailaddress']
))->setHelp('Enter the e-mail address to send email notifications to.');

// This name prevents the browser from auto-filling the field. We change it on submit
$section->addInput(new Form_Input(
	'smtpusername',
	'Notification E-Mail auth username (optional)',
	'text',
	$pconfig['smtpusername'],
	['autocomplete' => 'off']
))->setHelp('Enter the e-mail address username for SMTP authentication.');

$section->addPassword(new Form_Input(
	'smtppassword',
	'Notification E-Mail auth password',
	'password',
	$pconfig['smtppassword']
))->setHelp('Enter the e-mail account password for SMTP authentication.');

$section->addInput(new Form_Select(
	'smtpauthmech',
	'Notification E-Mail auth mechanism',
	$pconfig['smtpauthmech'],
	$smtp_authentication_mechanisms
))->setHelp('Select the authentication mechanism used by the SMTP server. Most work with PLAIN, some servers like Exchange or Office365 might require LOGIN. ');

$section->addInput(new Form_Button(
	'test-smtp',
	'Test SMTP Settings',
	null,
	'fa-send'
))->addClass('btn-info')->setHelp('A test notification will be sent even if the service is '.
	'marked as disabled.  The last SAVED values will be used, not necessarily the values entered here.');

$form->add($section);

$section = new Form_Section('Sounds');

$section->addInput(new Form_Checkbox(
	'disablebeep',
	'Startup/Shutdown Sound',
	'Disable the startup/shutdown beep',
	$pconfig['disablebeep']
))->setHelp('When this is checked, startup and shutdown sounds will no longer '.
	'play.');

$form->add($section);

$section = new Form_Section('Growl');

$section->addInput(new Form_Checkbox(
	'disable_growl',
	'Disable Growl',
	'Disable Growl Notifications',
	$pconfig['disable_growl']
))->setHelp('Check this option to disable growl notifications but preserve the '.
	'settings below.');

$section->addInput(new Form_Input(
	'name',
	'Registration Name',
	'text',
	$pconfig['name'],
	['placeholder' => 'pfSense-Growl']
))->setHelp('Enter the name to register with the Growl server.');

$section->addInput(new Form_Input(
	'notification_name',
	'Notification Name',
	'text',
	$pconfig['notification_name'],
	['placeholder' => $g["product_name"].' growl alert']

))->setHelp('Enter a name for the Growl notifications.');

$section->addInput(new Form_Input(
	'ipaddress',
	'IP Address',
	'text',
	$pconfig['ipaddress']
))->setHelp('This is the IP address to send growl notifications to.');

$section->addPassword(new Form_Input(
	'password',
	'Password',
	'text',
	$pconfig['password']
))->setHelp('Enter the password of the remote growl notification device.');

$section->addInput(new Form_Button(
	'test-growl',
	'Test Growl Settings',
	null,
	'fa-rss'
))->addClass('btn-info')->setHelp('A test notification will be sent even if the service is '.
	'marked as disabled.');

$form->add($section);
print($form);

include("foot.inc");