232 lines
8.0 KiB
PHP
232 lines
8.0 KiB
PHP
<?php
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/* VPN Client app for YunoHost
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* Copyright (C) 2015 Julien Vaubourg <julien@vaubourg.com>
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* Contribute at https://github.com/labriqueinternet/vpnclient_ynh
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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function moulinette_get($var) {
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return htmlspecialchars(exec('sudo yunohost app setting vpnclient '.escapeshellarg($var)));
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}
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function moulinette_set($var, $value) {
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return exec('sudo yunohost app setting vpnclient '.escapeshellarg($var).' -v '.escapeshellarg($value));
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}
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function stop_service() {
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exec('sudo systemctl stop ynh-vpnclient');
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}
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function start_service() {
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exec('sudo systemctl start ynh-vpnclient', $output, $retcode);
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return $retcode;
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}
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function service_status() {
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exec('sudo ynh-vpnclient status', $output);
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return $output;
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}
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function service_faststatus() {
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exec('ip link show tun0', $output, $retcode);
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return $retcode;
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}
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function ipv6_expanded($ip) {
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exec('ipv6_expanded '.escapeshellarg($ip), $output);
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return $output[0];
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}
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function ipv6_compressed($ip) {
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exec('ipv6_compressed '.escapeshellarg($ip), $output);
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return $output[0];
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}
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dispatch('/', function() {
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$ip6_net = moulinette_get('ip6_net');
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$ip6_net = ($ip6_net == 'none') ? '' : $ip6_net;
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$raw_openvpn = file_get_contents('/etc/openvpn/client.conf.tpl');
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set('service_enabled', moulinette_get('service_enabled'));
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set('server_name', moulinette_get('server_name'));
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set('server_port', moulinette_get('server_port'));
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set('server_proto', moulinette_get('server_proto'));
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set('login_user', moulinette_get('login_user'));
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set('login_passphrase', moulinette_get('login_passphrase'));
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set('ip6_net', $ip6_net);
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set('crt_client_exists', file_exists('/etc/openvpn/keys/user.crt'));
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set('crt_client_key_exists', file_exists('/etc/openvpn/keys/user.key'));
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set('crt_server_ca_exists', file_exists('/etc/openvpn/keys/ca-server.crt'));
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set('faststatus', service_faststatus() == 0);
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set('raw_openvpn', $raw_openvpn);
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return render('settings.html.php');
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});
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dispatch_put('/settings', function() {
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$crt_client_exists = file_exists('/etc/openvpn/keys/user.crt');
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$crt_client_key_exists = file_exists('/etc/openvpn/keys/user.key');
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$crt_server_ca_exists = file_exists('/etc/openvpn/keys/ca-server.crt');
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$service_enabled = isset($_POST['service_enabled']) ? 1 : 0;
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$ip6_net = empty($_POST['ip6_net']) ? 'none' : $_POST['ip6_net'];
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$ip6_addr = 'none';
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if($service_enabled == 1) {
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try {
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if(empty($_POST['server_name']) || empty($_POST['server_port']) || empty($_POST['server_proto'])) {
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throw new Exception(_('The Server Address, the Server Port and the Protocol cannot be empty'));
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}
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if(!preg_match('/^\d+$/', $_POST['server_port'])) {
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throw new Exception(_('The Server Port must be only composed of digits'));
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}
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if($_POST['server_proto'] != 'udp' && $_POST['server_proto'] != 'tcp') {
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throw new Exception(_('The Protocol must be "udp" or "tcp"'));
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}
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if(($_FILES['crt_client']['error'] == UPLOAD_ERR_OK && $_FILES['crt_client_key']['error'] != UPLOAD_ERR_OK && (!$crt_client_key_exists || $_POST['crt_client_key_delete'] == 1))
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|| ($_FILES['crt_client_key']['error'] == UPLOAD_ERR_OK && $_FILES['crt_client']['error'] != UPLOAD_ERR_OK && (!$crt_client_exists || $_POST['crt_client_delete'] == 1))) {
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throw new Exception(_('A Client Certificate is needed when you suggest a Key, or vice versa'));
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}
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if(empty($_POST['login_user']) xor empty($_POST['login_passphrase'])) {
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throw new Exception(_('A Password is needed when you suggest a Username, or vice versa'));
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}
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if($_FILES['crt_server_ca']['error'] != UPLOAD_ERR_OK && !$crt_server_ca_exists) {
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throw new Exception(_('You need a Server CA.'));
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}
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if(($_FILES['crt_client_key']['error'] != UPLOAD_ERR_OK && (!$crt_client_key_exists || $_POST['crt_client_key_delete'] == 1)) && empty($_POST['login_user'])) {
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throw new Exception(_('You need either a Client Certificate, either a Username, or both'));
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}
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if($ip6_net != 'none') {
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$ip6_net = ipv6_expanded($ip6_net);
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if(empty($ip6_net)) {
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throw new Exception(_('The IPv6 Delegated Prefix format looks bad'));
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}
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$ip6_blocs = explode(':', $ip6_net);
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$ip6_addr = "${ip6_blocs[0]}:${ip6_blocs[1]}:${ip6_blocs[2]}:${ip6_blocs[3]}:${ip6_blocs[4]}:${ip6_blocs[5]}:${ip6_blocs[6]}:42";
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$ip6_net = ipv6_compressed($ip6_net);
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$ip6_addr = ipv6_compressed($ip6_addr);
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}
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} catch(Exception $e) {
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flash('error', $e->getMessage().' ('._('configuration not updated').').');
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goto redirect;
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}
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}
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stop_service();
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moulinette_set('service_enabled', $service_enabled);
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if($service_enabled == 1) {
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moulinette_set('server_name', $_POST['server_name']);
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moulinette_set('server_port', $_POST['server_port']);
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moulinette_set('server_proto', $_POST['server_proto']);
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moulinette_set('login_user', $_POST['login_user']);
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moulinette_set('login_passphrase', $_POST['login_passphrase']);
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moulinette_set('ip6_net', $ip6_net);
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moulinette_set('ip6_addr', $ip6_addr);
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file_put_contents('/etc/openvpn/client.conf.tpl', $_POST['raw_openvpn']);
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if($_FILES['crt_client']['error'] == UPLOAD_ERR_OK) {
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move_uploaded_file($_FILES['crt_client']['tmp_name'], '/etc/openvpn/keys/user.crt');
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} elseif($_POST['crt_client_delete'] == 1) {
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unlink('/etc/openvpn/keys/user.crt');
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}
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if($_FILES['crt_client_key']['error'] == UPLOAD_ERR_OK) {
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move_uploaded_file($_FILES['crt_client_key']['tmp_name'], '/etc/openvpn/keys/user.key');
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} elseif($_POST['crt_client_key_delete'] == 1) {
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unlink('/etc/openvpn/keys/user.key');
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}
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if($_FILES['crt_server_ca']['error'] == UPLOAD_ERR_OK) {
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move_uploaded_file($_FILES['crt_server_ca']['tmp_name'], '/etc/openvpn/keys/ca-server.crt');
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}
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if(!empty($_POST['login_user'])) {
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file_put_contents('/etc/openvpn/keys/credentials', "${_POST['login_user']}\n${_POST['login_passphrase']}");
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} else {
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file_put_contents('/etc/openvpn/keys/credentials', '');
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}
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$retcode = start_service();
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if($retcode == 0) {
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flash('success', _('Configuration updated and service successfully reloaded'));
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} else {
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flash('error', _('Configuration updated but service reload failed'));
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}
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} else {
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flash('success', _('Service successfully disabled'));
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}
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redirect:
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redirect_to('/');
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});
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dispatch('/status', function() {
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$status_lines = service_status();
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$status_list = '';
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foreach($status_lines AS $status_line) {
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if(preg_match('/^\[INFO\]/', $status_line)) {
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$status_list .= '<li class="status-info">'.htmlspecialchars($status_line).'</li>';
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}
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elseif(preg_match('/^\[OK\]/', $status_line)) {
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$status_list .= '<li class="status-success">'.htmlspecialchars($status_line).'</li>';
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}
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elseif(preg_match('/^\[WARN\]/', $status_line)) {
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$status_list .= '<li class="status-warning">'.htmlspecialchars($status_line).'</li>';
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}
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elseif(preg_match('/^\[ERR\]/', $status_line)) {
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$status_list .= '<li class="status-danger">'.htmlspecialchars($status_line).'</li>';
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}
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}
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echo $status_list;
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});
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dispatch('/lang/:locale', function($locale = 'en') {
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switch($locale) {
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case 'fr':
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$_SESSION['locale'] = 'fr';
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break;
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default:
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$_SESSION['locale'] = 'en';
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}
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redirect_to('/');
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});
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