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diff --git a/lib/Autodiscover.php b/lib/Autodiscover.php
index 41076c0..769adcf 100644
--- a/lib/Autodiscover.php
+++ b/lib/Autodiscover.php
@@ -1,390 +1,390 @@
<?php
/**
+--------------------------------------------------------------------------+
| Kolab Autodiscover Service |
| |
| Copyright (C) 2011-2014, Kolab Systems AG <contact@kolabsys.com> |
| |
| 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 3 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, see http://www.gnu.org/licenses/. |
+--------------------------------------------------------------------------+
| Author: Aleksander Machniak <machniak@kolabsys.com> |
+--------------------------------------------------------------------------+
*/
/**
* Main application class
*/
class Autodiscover
{
const CHARSET = 'UTF-8';
protected $conf;
protected $config = array();
/**
* Autodiscover main execution path
*/
public static function run()
{
$uris = array($_SERVER['REQUEST_URI'], $_SERVER['SCRIPT_NAME']);
$type = '';
// Detect request type
foreach ($uris as $uri) {
// Outlook/Activesync
if (stripos($uri, 'autodiscover.xml') !== false) {
$type = 'Microsoft';
break;
}
// Microsoft Autodiscover V2
elseif (stripos($uri, 'autodiscover.json') !== false) {
$type = 'Json';
break;
}
// Mozilla Thunderbird (Kmail/Kontact/Evolution)
else if (strpos($uri, 'config-v1.1.xml') !== false) {
$type = 'Mozilla';
break;
}
}
if (!$type) {
header("HTTP/1.0 404 Not Found");
exit;
}
$class = "Autodiscover$type";
require_once __DIR__ . '/' . $class . '.php';
$engine = new $class;
$engine->handle();
// fallback to 404
header("HTTP/1.0 404 Not Found");
exit;
}
/**
* Initialization of class instance
*/
public function __construct()
{
require_once __DIR__ . '/Conf.php';
require_once __DIR__ . '/Log.php';
$this->conf = Conf::get_instance();
}
/**
* Handle request
*/
public function handle()
{
// read request parameters
$this->handle_request();
// validate requested email address
if (empty($this->email)) {
$this->error("Email address not provided");
}
if (!strpos($this->email, '@')) {
$this->error("Invalid email address");
}
// find/set services parameters
$this->configure();
// send response
$this->handle_response();
}
/**
* Send error to the client and exit
*/
protected function error($msg)
{
header("HTTP/1.0 500 $msg");
exit;
}
/**
* Send 401 Unauthorized to the client end exit
*/
protected function unauthorized($basicauth = true)
{
if ($basicauth) {
header('WWW-Authenticate: Basic realm="'.$_SERVER['HTTP_HOST'].'"');
}
header('HTTP/1.0 401 Unauthorized');
exit;
}
/**
* Get services configuration
*/
protected function configure()
{
$pos = strrpos($this->email, '@');
$this->config = array(
'email' => $this->email,
'domain' => strtolower(substr($this->email, $pos + 1)),
'displayName' => $this->conf->get('autodiscover', 'service_name'),
'displayShortName' => $this->conf->get('autodiscover', 'service_short'),
);
// get user form LDAP, set domain/login/user in $this->config
$user = $this->get_user($this->email, $this->config['domain']);
$proto_map = array('tls' => 'STARTTLS', 'ssl' => 'SSL');
foreach (array('imap', 'pop3', 'smtp') as $type) {
if ($value = $this->conf->get('autodiscover', $type)) {
$params = explode(';', $value);
- $pass_secure = in_array($params[1], array('CRAM-MD5', 'DIGEST-MD5'));
+ $pass_secure = in_array($params[1] ?? null, array('CRAM-MD5', 'DIGEST-MD5'));
$host = $params[0];
$host = str_replace('%d', $this->config['domain'], $host);
$url = parse_url($host);
$this->config[$type] = array(
'hostname' => $url['host'],
'port' => $url['port'],
- 'socketType' => $proto_map[$url['scheme']] ?: 'plain',
- 'username' => $this->config['login'] ?: $this->config['email'],
+ 'socketType' => ($proto_map[$url['scheme']] ?? false) ?: 'plain',
+ 'username' => ($this->config['login'] ?? false) ?: $this->config['email'],
'authentication' => 'password-' . ($pass_secure ? 'encrypted' : 'cleartext'),
);
}
}
if ($host = $this->conf->get('autodiscover', 'activesync')) {
$host = str_replace('%d', $this->config['domain'], $host);
$this->config['activesync'] = $host;
}
// Log::debug(print_r($this->config, true));
}
/**
* Get user record from LDAP
*/
protected function get_user($email, $domain)
{
// initialize LDAP connection
$result = $this->init_ldap();
if (!$result) {
$this->config = array_merge(
$this->config,
Array('mail' => $email, 'domain' => $domain)
);
return;
}
// find domain
if (!$this->ldap->find_domain($domain)) {
$this->error("Unknown domain");
}
// find user
$user = $this->find_user($email, $domain);
// update config
$this->config = array_merge($this->config, (array)$user, array('domain' => $domain));
}
/**
* Initialize LDAP connection
*/
protected function init_ldap()
{
$ldap_uri = $this->conf->get('ldap_uri', false);
if (!$ldap_uri) {
return false;
}
$uri = parse_url($ldap_uri);
$this->_ldap_server = ($uri['scheme'] === 'ldaps' ? 'ldaps://' : '') . $uri['host'];
$this->_ldap_port = $uri['port'];
$this->_ldap_scheme = $uri['scheme'];
$this->_ldap_bind_dn = $this->conf->get('ldap', 'service_bind_dn');
$this->_ldap_bind_pw = $this->conf->get('ldap', 'service_bind_pw');
// Catch cases in which the ldap server port has not been explicitely defined
if (!$this->_ldap_port) {
$this->_ldap_port = $this->_ldap_scheme == 'ldaps' ? 636 : 389;
}
$this->ldap = new Net_LDAP3(array(
'debug' => in_array(strtolower($this->conf->get('autodiscover', 'debug_mode')), array('trace', 'debug')),
'log_hook' => array($this, 'ldap_log'),
'vlv' => $this->conf->get('ldap', 'vlv', Conf::AUTO),
'config_root_dn' => "cn=config",
'hosts' => array($this->_ldap_server),
'port' => $this->_ldap_port,
'use_tls' => $this->_ldap_scheme == 'tls',
'domain_base_dn' => $this->conf->get('ldap', 'domain_base_dn'),
'domain_filter' => $this->conf->get('ldap', 'domain_filter'),
'domain_name_attribute' => $this->conf->get('ldap', 'domain_name_attribute'),
));
$this->_ldap_domain = $this->conf->get('primary_domain');
// connect to LDAP
if (!$this->ldap->connect()) {
$this->error("Storage connection failed");
return false;
}
// bind as the service user
if (!$this->ldap->bind($this->_ldap_bind_dn, $this->_ldap_bind_pw)) {
$this->error("Storage connection failed");
return false;
}
return true;
}
/**
* Find user in LDAP
*/
private function find_user($email, $domain)
{
$filter = $this->conf->get('login_filter');
if (empty($filter)) {
$filter = $this->conf->get('filter');
}
if (empty($filter)) {
$filter = "(&(|(mail=%s)(mail=%U@%d)(alias=%s)(alias=%U@%d)(uid=%s))(objectclass=inetorgperson))";
}
$_parts = explode('@', $email);
$localpart = $_parts[0];
$replace_patterns = array(
'/%s/' => $email,
'/%d/' => $domain,
'/%U/' => $localpart,
'/%r/' => $domain,
);
$attributes = array(
'login' => $this->conf->get('autodiscover', 'login_attribute') ?: 'mail',
'username' => $this->conf->get('autodiscover', 'name_attribute') ?: 'cn',
);
$filter = preg_replace(array_keys($replace_patterns), array_values($replace_patterns), $filter);
$base_dn = $this->ldap->domain_root_dn($domain);
$result = $this->ldap->search($base_dn, $filter, 'sub', array_values($attributes));
if (!$result) {
Log::debug("Could not search $base_dn with $filter");
return;
}
if ($result->count() > 1) {
Log::debug("Multiple entries found.");
return;
}
else if ($result->count() < 1) {
Log::debug("No entries found.");
return;
}
// parse result
$entries = $result->entries(true);
$dn = key($entries);
$entry = $entries[$dn];
$result = array('dn' => $dn);
foreach ($attributes as $idx => $attr) {
$result[$idx] = is_array($entry[$attr]) ? current($entry[$attr]) : $entry[$attr];
}
return $result;
}
/**
* authenticate a user by his given dn and password
*/
protected function authenticate($dn, $password)
{
if (empty($this->_ldap_server)) {
return false;
}
$ldap = new Net_LDAP3(array(
'debug' => in_array(strtolower($this->conf->get('autodiscover', 'debug_mode')), array('trace', 'debug')),
'log_hook' => array($this, 'ldap_log'),
'hosts' => array($this->_ldap_server),
'port' => $this->_ldap_port,
'use_tls' => $this->_ldap_scheme == 'tls'
));
// connect to LDAP
if (!$ldap->connect()) {
$this->error("Storage connection failed");
return false;
}
// bind as given userdn
if (!$ldap->bind($dn, $password)) {
$this->unauthorized();
return false;
}
$ldap->close();
return true;
}
/**
* LDAP logging handler
*/
public function ldap_log($level, $msg)
{
if (is_array($msg)) {
$msg = implode("\n", $msg);
}
switch ($level) {
case LOG_DEBUG:
Log::debug($str . $msg);
break;
case LOG_ERR:
Log::error($str . $msg);
break;
case LOG_INFO:
Log::info($str . $msg);
break;
case LOG_WARNING:
Log::warning($str . $msg);
break;
case LOG_ALERT:
case LOG_CRIT:
case LOG_EMERG:
case LOG_NOTICE:
default:
Log::trace($str . $msg);
break;
}
}
}
diff --git a/lib/AutodiscoverMicrosoft.php b/lib/AutodiscoverMicrosoft.php
index bc2e461..6167ecc 100644
--- a/lib/AutodiscoverMicrosoft.php
+++ b/lib/AutodiscoverMicrosoft.php
@@ -1,273 +1,273 @@
<?php
/**
+--------------------------------------------------------------------------+
| Kolab Autodiscover Service |
| |
| Copyright (C) 2011-2014, Kolab Systems AG <contact@kolabsys.com> |
| |
| 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 3 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, see http://www.gnu.org/licenses/. |
+--------------------------------------------------------------------------+
| Author: Aleksander Machniak <machniak@kolabsys.com> |
+--------------------------------------------------------------------------+
*/
/**
* Autodiscover Service class for Microsoft Outlook and Activesync devices
*/
class AutodiscoverMicrosoft extends Autodiscover
{
const NS = "http://schemas.microsoft.com/exchange/autodiscover/responseschema/2006";
const RESPONSE_NS = "http://schemas.microsoft.com/exchange/autodiscover/outlook/responseschema/2006a";
const MOBILESYNC_NS = "http://schemas.microsoft.com/exchange/autodiscover/mobilesync/responseschema/2006";
private $type = 'outlook';
private $password;
/**
* Handle request parameters (find email address)
*/
protected function handle_request()
{
$post = $_SERVER['REQUEST_METHOD'] == 'POST' ? file_get_contents('php://input') : null;
// check for request object
Log::debug('Request [microsoft]: ' . $post);
if (empty($post)) {
$this->error("Invalid input");
}
// parse XML
try {
$xml = new SimpleXMLElement($post);
$ns = $xml->getDocNamespaces();
if (empty($ns) || empty($ns[''])) {
$this->error("Invalid input. Missing XML request schema");
}
$xml->registerXPathNamespace('request', $ns['']);
if ($email = $xml->xpath('//request:EMailAddress')) {
$this->email = (string) array_shift($email);
}
if ($schema = $xml->xpath('//request:AcceptableResponseSchema')) {
$schema = (string) array_shift($schema);
if (strpos($schema, 'mobilesync')) {
$this->type = 'mobilesync';
}
}
}
catch (Exception $e) {
$this->error("Invalid input");
}
if ($this->conf->get('autodiscover', 'mobilesync_only') && $this->type != 'mobilesync') {
$this->error("Only mobilesync schema supported");
}
// check for basic authentication if ldap is available
if ($this->conf->get('ldap_uri', false)) {
Log::debug('Request [microsoft]: Basic Auth Username: ' . ($_SERVER['PHP_AUTH_USER'] ?: 'none'));
if (empty($_SERVER['PHP_AUTH_USER']) || empty($_SERVER['PHP_AUTH_PW'])) {
$this->unauthorized();
}
// basic auth username must match with given email address
if (strcasecmp($_SERVER['PHP_AUTH_USER'], $this->email) != 0) {
Log::debug("The submitted user {$_SERVER['PHP_AUTH_USER']} does not match the email address {$this->email}");
$this->unauthorized();
}
$this->password = $_SERVER['PHP_AUTH_PW'];
}
}
/**
* Handle response
*/
public function handle_response()
{
if (!empty($this->_ldap_server)) {
// authenticate the user found during configure() against ldap
if (empty($this->config['dn']) || !$this->authenticate($this->config['dn'], $this->password)) {
$this->unauthorized();
}
}
$method = $this->type . '_response';
$xml = $this->$method();
$xml->formatOutput = true;
$response = $xml->saveXML();
Log::debug('Response [microsoft]: ' . $response);
header('Content-type: text/xml; charset=' . Autodiscover::CHARSET);
echo $response;
exit;
}
/**
* Generates XML response for Activesync
*/
protected function mobilesync_response()
{
if (empty($this->config['activesync'])) {
$this->error("Activesync not supported");
}
if (!preg_match('/^https?:/i', $this->config['activesync'])) {
$this->config['activesync'] = 'https://' . $this->config['activesync'] . '/Microsoft-Server-ActiveSync';
}
$xml = new DOMDocument('1.0', Autodiscover::CHARSET);
// create main elements (tree)
$doc = $xml->createElementNS(self::NS, 'Autodiscover');
$doc = $xml->appendChild($doc);
$response = $xml->createElementNS(self::MOBILESYNC_NS, 'Response');
$response = $doc->appendChild($response);
$user = $xml->createElement('User');
$user = $response->appendChild($user);
$action = $xml->createElement('Action');
$action = $response->appendChild($action);
$settings = $xml->createElement('Settings');
$settings = $action->appendChild($settings);
$server = $xml->createElement('Server');
$server = $settings->appendChild($server);
// configuration
$dispname = $xml->createElement('DisplayName');
$dispname = $user->appendChild($dispname);
- $dispname->appendChild($xml->createTextNode($this->config['username']));
+ $dispname->appendChild($xml->createTextNode($this->config['username'] ?? null));
$email = $xml->createElement('EMailAddress');
$email = $user->appendChild($email);
- $email->appendChild($xml->createTextNode($this->config['login'] ?: $this->config['email']));
+ $email->appendChild($xml->createTextNode(($this->config['login'] ?? false) ?: $this->config['email']));
$element = $xml->createElement('Type');
$element = $server->appendChild($element);
$element->appendChild($xml->createTextNode('MobileSync'));
$element = $xml->createElement('Url');
$element = $server->appendChild($element);
$element->appendChild($xml->createTextNode($this->config['activesync']));
$element = $xml->createElement('Name');
$element = $server->appendChild($element);
$element->appendChild($xml->createTextNode($this->config['activesync']));
return $xml;
}
/**
* Generates XML response for Outlook
*/
protected function outlook_response()
{
$xml = new DOMDocument('1.0', Autodiscover::CHARSET);
// create main elements (tree)
$doc = $xml->createElementNS(self::NS, 'Autodiscover');
$doc = $xml->appendChild($doc);
$response = $xml->createElementNS(self::RESPONSE_NS, 'Response');
$response = $doc->appendChild($response);
$user = $xml->createElement('User');
$user = $response->appendChild($user);
$account = $xml->createElement('Account');
$account = $response->appendChild($account);
$accountType = $xml->createElement('AccountType');
$accountType = $account->appendChild($accountType);
$accountType->appendChild($xml->createTextNode('email'));
$action = $xml->createElement('Action');
$action = $account->appendChild($action);
$action->appendChild($xml->createTextNode('settings'));
// configuration
$dispname = $xml->createElement('DisplayName');
$dispname = $user->appendChild($dispname);
- $dispname->appendChild($xml->createTextNode($this->config['username']));
+ $dispname->appendChild($xml->createTextNode($this->config['username'] ?? null));
$email = $xml->createElement('AutoDiscoverSMTPAddress');
$email = $user->appendChild($email);
- $email->appendChild($xml->createTextNode($this->config['login'] ?: $this->config['email']));
+ $email->appendChild($xml->createTextNode(($this->config['login'] ?? false) ?: $this->config['email']));
// @TODO: Microsoft supports also DAV protocol here
foreach (array('imap', 'pop3', 'smtp') as $type) {
if (!empty($this->config[$type])) {
$protocol = $this->add_protocol_element($xml, $type, $this->config[$type]);
$account->appendChild($protocol);
}
}
return $xml;
}
/**
* Creates Protocol element for XML response
*/
private function add_protocol_element($xml, $type, $config)
{
$protocol = $xml->createElement('Protocol');
$element = $xml->createElement('Type');
$element = $protocol->appendChild($element);
$element->appendChild($xml->createTextNode(strtoupper($type)));
// @TODO: TTL/ExpirationDate tags
// server attributes map
$server_attributes = array(
'Server' => 'hostname',
'Port' => 'port',
'LoginName' => 'username',
);
foreach ($server_attributes as $tag_name => $conf_name) {
$value = $this->config[$type][$conf_name];
if (!empty($value)) {
$element = $xml->createElement($tag_name);
$element->appendChild($xml->createTextNode($value));
$protocol->appendChild($element);
}
}
$spa = $this->config[$type]['authentication'] == 'password-encrypted' ? 'on' : 'off';
$element = $xml->createElement('SPA');
$element->appendChild($xml->createTextNode($spa));
$protocol->appendChild($element);
$map = array('STARTTLS' => 'TLS', 'SSL' => 'SSL', 'plain' => 'None');
$element = $xml->createElement('Encryption');
$element->appendChild($xml->createTextNode($map[$this->config[$type]['socketType']] ?: 'Auto'));
$protocol->appendChild($element);
return $protocol;
}
}
diff --git a/lib/Conf.php b/lib/Conf.php
index 5ffa502..b3fb2ba 100644
--- a/lib/Conf.php
+++ b/lib/Conf.php
@@ -1,240 +1,242 @@
<?php
/**
+--------------------------------------------------------------------------+
| Kolab Autodiscover Service |
| |
| Copyright (C) 2011-2014, Kolab Systems AG <contact@kolabsys.com> |
| |
| 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 3 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, see http://www.gnu.org/licenses/. |
+--------------------------------------------------------------------------+
| Author: Aleksander Machniak <machniak@kolabsys.com> |
+--------------------------------------------------------------------------+
*/
class Conf {
static private $instance;
private $_conf = array();
const CONFIG_FILE = '/etc/kolab/kolab.conf';
const STRING = 0;
const BOOL = 1;
const INT = 2;
const FLOAT = 3;
const AUTO = 4;
/**
* This implements the 'singleton' design pattern
*
* @return Conf The one and only instance
*/
static function get_instance()
{
if (!self::$instance) {
self::$instance = new Conf();
}
return self::$instance;
}
public function __construct()
{
// Do some magic configuration loading here.
if (!file_exists(self::CONFIG_FILE)) {
$this->_conf = Array(
'autodiscover' => Array(
'activesync' => '%d',
'imap' => 'ssl://%d:993',
'smtp' => 'ssl://%d:465',
'service_name' => 'Kolab Groupware',
'service_short' => 'Kolab',
)
);
return;
}
$this->read_config();
}
public function get($key1, $key2 = null, $type = null)
{
$value = $this->expand($this->get_raw($key1, $key2));
if ($value === null) {
return $value;
}
switch ($type) {
case self::INT:
return intval($value);
case self::FLOAT:
return floatval($value);
case self::BOOL:
return (bool) preg_match('/^(true|1|on|enabled|yes)$/i', $value);
case self::AUTO:
return $this->auto($value);
}
return (string) $value;
}
public function get_list($key1, $key2 = null)
{
$list = array();
$value = $this->get($key1, $key2);
$value_components = explode(',', $value);
foreach ($value_components as $component) {
$component = trim($component);
if (!empty($component)) {
$list[] = $component;
}
}
return $list;
}
public function get_raw($key1, $key2 = null)
{
if (isset($this->_conf[$key1])) {
if ($key2) {
if (isset($this->_conf[$key1][$key2])) {
return $this->_conf[$key1][$key2];
}
else if (isset($this->_conf['kolab'][$key2])) {
return $this->_conf['kolab'][$key2];
}
}
else {
return $this->_conf[$key1];
}
}
// If section is specified, but requested setting doesn't exist there
// we fall back to (global) 'kolab' section
if ($key2) {
if (isset($this->_conf['kolab'][$key2])) {
return $this->_conf['kolab'][$key2];
}
return null;
}
// Fall back to whatever is the equivalent of auth_mechanism as the
// section (i.e. 'ldap', or 'sql')
- $auth_mech = $this->_conf['kolab']['auth_mechanism'];
- if (isset($this->_conf[$auth_mech])) {
- if (isset($this->_conf[$auth_mech][$key1])) {
- return $this->_conf[$auth_mech][$key1];
+ if (isset($this->_conf['kolab'])) {
+ $auth_mech = $this->_conf['kolab']['auth_mechanism'] ?? null;
+ if ($auth_mech && isset($this->_conf[$auth_mech])) {
+ if (isset($this->_conf[$auth_mech][$key1])) {
+ return $this->_conf[$auth_mech][$key1];
+ }
}
- }
- // Fall back to global settings in the 'kolab' section.
- if (isset($this->_conf['kolab'][$key1])) {
- return $this->_conf['kolab'][$key1];
+ // Fall back to global settings in the 'kolab' section.
+ if (isset($this->_conf['kolab'][$key1])) {
+ return $this->_conf['kolab'][$key1];
+ }
}
return null;
}
public function expand($str, $custom = false)
{
if (preg_match_all('/%\((?P<variable>\w+)\)s/', $str, $matches)) {
if (isset($matches['variable']) && !empty($matches['variable'])) {
if (is_array($matches['variable'])) {
foreach ($matches['variable'] as $key => $value) {
if (is_array($custom) && array_key_exists($value, $custom)) {
$str = str_replace("%(" . $value . ")s", $custom[$value], $str);
}
$str = str_replace("%(" . $value . ")s", $this->get($value), $str);
}
return $str;
}
else {
return str_replace("%(" . $matches['variable'] . ")s", $this->get($matches['variable']), $str);
}
}
return $str;
}
else {
return $str;
}
}
private function read_config()
{
$_ini_raw = file(self::CONFIG_FILE);
$this->_conf = array();
foreach ($_ini_raw as $_line) {
if (preg_match('/^\[([a-z0-9-_\.]+)\]/', $_line, $matches)) {
$_cur_section = $matches[1];
$this->_conf[$_cur_section] = array();
unset($_cur_key);
}
if (preg_match('/^;/', $_line, $matches)) {
}
if (preg_match('/^([a-z0-9\.-_]+)\s*=\s*(.*)/', $_line, $matches)) {
if (isset($_cur_section) && !empty($_cur_section)) {
$_cur_key = $matches[1];
$this->_conf[$_cur_section][$matches[1]] = isset($matches[2]) ? $matches[2] : '';
}
}
if (preg_match('/^\s+(.*)$/', $_line, $matches)) {
if (isset($_cur_key) && !empty($_cur_key)) {
$this->_conf[$_cur_section][$_cur_key] .= $matches[1];
}
}
}
}
/**
* Auto-detection and conversion of config value
*/
private function auto($value)
{
if (preg_match('/^(true|on|enabled|yes|false|off|disabled|no)$/i', $value)) {
return (bool) preg_match('/^(true|on|enabled|yes)$/i', $value);
}
if (is_numeric($value)) {
if (strpos($value, '.')) {
return floatval($value);
}
else {
return intval($value);
}
}
// array in JSON format
if ($value[0] == '{' || $value[0] == '[') {
return json_decode($value, true);
}
return (string) $value;
}
}

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