<?php
/*
 * getserviceproviders.php
 *
 * part of pfSense (https://www.pfsense.org)
 * Copyright (c) 2004-2016 Electric Sheep Fencing, LLC
 * Copyright (c) 2010 Vinicius Coque <vinicius.coque@bluepex.com>
 * 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-getserviceproviders
##|*NAME=AJAX: Get Service Providers
##|*DESCR=Allow access to the 'AJAX: Service Providers' page.
##|*MATCH=getserviceproviders.php*
##|-PRIV
require_once("guiconfig.inc");
require_once("pfsense-utils.inc");

$serviceproviders_xml = "/usr/local/share/mobile-broadband-provider-info/serviceproviders.xml";
$serviceproviders_contents = file_get_contents($serviceproviders_xml);
$serviceproviders_attr = xml2array($serviceproviders_contents, 1, "attr");

$serviceproviders = &$serviceproviders_attr['serviceproviders']['country'];

function get_country_providers($country) {
	global $serviceproviders;
	foreach ($serviceproviders as $sp) {
		if ($sp['attr']['code'] == strtolower($country)) {
			return is_array($sp['provider'][0]) ? $sp['provider'] : array($sp['provider']);
		}
	}
	return $provider_list;
}

function country_list() {
	global $serviceproviders;
	$country_list = get_country_name("ALL");
	foreach ($serviceproviders as $sp) {
		foreach ($country_list as $country) {
			if (strtoupper($sp['attr']['code']) == $country['code']) {
				echo $country['name'] . ":" . $country['code'] . "\n";
			}
		}
	}
}

function providers_list($country) {
	$serviceproviders = get_country_providers($country);
	foreach ($serviceproviders as $sp) {
		echo $sp['name']['value'] . "\n";
	}
}

function provider_plan_data($country, $provider, $connection) {
	header("Content-type: application/xml;");
	echo "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
	echo "<connection>\n";
	$serviceproviders = get_country_providers($country);
	foreach ($serviceproviders as $sp) {
		if (strtolower($sp['name']['value']) == strtolower($provider)) {
			if (strtoupper($connection) == "CDMA") {
				$conndata = $sp['cdma'];
			} else {
				if (!is_array($sp['gsm']['apn'][0])) {
					$conndata = $sp['gsm']['apn'];
				} else {
					foreach ($sp['gsm']['apn'] as $apn) {
						if ($apn['attr']['value'] == $connection) {
							$conndata = $apn;
							break;
						}
					}
				}
			}
			if (is_array($conndata)) {
				echo "<apn>" . $connection . "</apn>\n";
				echo "<username>" . $conndata['username']['value'] . "</username>\n";
				echo "<password>" . $conndata['password']['value'] . "</password>\n";

				$dns_arr = is_array($conndata['dns'][0]) ? $conndata['dns'] : array($conndata['dns']);
				foreach ($dns_arr as $dns) {
					echo '<dns>' . $dns['value'] . "</dns>\n";
				}
			}
			break;
		}
	}
	echo "</connection>";
}

function provider_plans_list($country, $provider) {
	$serviceproviders = get_country_providers($country);
	foreach ($serviceproviders as $sp) {
		if (strtolower($sp['name']['value']) == strtolower($provider)) {
			if (array_key_exists('gsm', $sp)) {
				if (array_key_exists('attr', $sp['gsm']['apn'])) {
					$name = ($sp['gsm']['apn']['name'] ? $sp['gsm']['apn']['name'] : $sp['name']['value']);
					echo $name . ":" . $sp['gsm']['apn']['attr']['value'];
				} else {
					foreach ($sp['gsm']['apn'] as $apn_info) {
						$name = ($apn_info['name']['value'] ? $apn_info['name']['value'] : $apn_info['gsm']['apn']['name']);
						echo $name . ":" . $apn_info['attr']['value'] . "\n";
					}
				}
			}
			if (array_key_exists('cdma', $sp)) {
				$name = $sp['cdma']['name']['value'] ? $sp['cdma']['name']['value']:$sp['name']['value'];
				echo $name . ":" . "CDMA";
			}
		}
	}
}

$_GET_OR_POST = ($_SERVER['REQUEST_METHOD'] === 'POST') ? $_POST : $_GET;

if (isset($_GET_OR_POST['country']) && !isset($_GET_OR_POST['provider'])) {
	providers_list($_GET_OR_POST['country']);
} elseif (isset($_GET_OR_POST['country']) && isset($_GET_OR_POST['provider'])) {
	if (isset($_GET_OR_POST['plan'])) {
		provider_plan_data($_GET_OR_POST['country'], $_GET_OR_POST['provider'], $_GET_OR_POST['plan']);
	} else {
		provider_plans_list($_GET_OR_POST['country'], $_GET_OR_POST['provider']);
	}
} else {
	country_list();
}
?>