*
*/
+use Friendica\App;
+use Friendica\Core\Config;
+
if (sizeof($_SERVER["argv"]) == 0)
die();
chdir($directory);
require_once("boot.php");
-global $a, $db;
+global $a;
-if(is_null($a)) {
- $a = new App;
+if (empty($a)) {
+ $a = new App(dirname(__DIR__));
}
-if(is_null($db)) {
- @include(".htconfig.php");
- require_once("include/dba.php");
- $db = new dba($db_host, $db_user, $db_pass, $db_data);
- unset($db_host, $db_user, $db_pass, $db_data);
-};
+@include(".htconfig.php");
+require_once("include/dba.php");
+dba::connect($db_host, $db_user, $db_pass, $db_data);
+unset($db_host, $db_user, $db_pass, $db_data);
-// the logfile to which to write, should be writeable by the user which is running the server
-$sLogFile = get_config('jabber','logfile');
+$oAuth = new exAuth();
-// set true to debug if needed
-$bDebug = get_config('jabber','debug');
+class exAuth {
+ private $bDebug;
-$oAuth = new exAuth($sLogFile, $bDebug);
+ /**
+ * @brief Create the class and do the authentification studd
+ *
+ * @param boolean $bDebug Debug mode
+ */
+ public function __construct() {
+ // setter
+ $this->bDebug = (int)Config::get('jabber', 'debug');
-class exAuth
-{
- private $sLogFile;
- private $bDebug;
- private $rLogFile;
+ openlog('auth_ejabberd', LOG_PID, LOG_USER);
- public function __construct($sLogFile, $bDebug)
- {
- global $db;
+ $this->writeLog(LOG_NOTICE, "start");
- // setter
- $this->sLogFile = $sLogFile;
- $this->bDebug = $bDebug;
+ // We are connected to the SQL server.
+ do {
+ // Quit if the database connection went down
+ if (!dba::connected()) {
+ $this->writeLog(LOG_ERR, "the database connection went down");
+ return;
+ }
- // ovo ne provjeravamo jer ako ne mozes kreirati log file, onda si u kvascu :)
- if ($this->sLogFile != '')
- $this->rLogFile = fopen($this->sLogFile, "a") or die("Error opening log file: ". $this->sLogFile);
+ $iHeader = fgets(STDIN, 3);
+ $aLength = unpack("n", $iHeader);
+ $iLength = $aLength["1"];
- $this->writeLog("[exAuth] start");
+ // No data? Then quit
+ if ($iLength == 0) {
+ $this->writeLog(LOG_ERR, "we got no data, quitting");
+ return;
+ }
- // ovdje bi trebali biti spojeni na MySQL, imati otvoren log i zavrtit cekalicu
- do {
- $iHeader = fgets(STDIN, 3);
- $aLength = unpack("n", $iHeader);
- $iLength = $aLength["1"];
- if($iLength > 0) {
- // ovo znaci da smo nesto dobili
- $sData = fgets(STDIN, $iLength + 1);
- $this->writeDebugLog("[debug] received data: ". $sData);
- $aCommand = explode(":", $sData);
- if (is_array($aCommand)){
- switch ($aCommand[0]){
- case "isuser":
- // provjeravamo je li korisnik dobar
- if (!isset($aCommand[1])){
- $this->writeLog("[exAuth] invalid isuser command, no username given");
- fwrite(STDOUT, pack("nn", 2, 0));
- } else {
- // ovdje provjeri je li korisnik OK
- $sUser = str_replace(array("%20", "(a)"), array(" ", "@"), $aCommand[1]);
- $this->writeDebugLog("[debug] checking isuser for ". $sUser);
- $sQuery = "SELECT `uid` FROM `user` WHERE `nickname`='". $db->escape($sUser) ."'";
- $this->writeDebugLog("[debug] using query ". $sQuery);
- if ($oResult = q($sQuery)){
- if ($oResult) {
- // korisnik OK
- $this->writeLog("[exAuth] valid user: ". $sUser);
- fwrite(STDOUT, pack("nn", 2, 1));
- } else {
- // korisnik nije OK
- $this->writeLog("[exAuth] invalid user: ". $sUser);
- fwrite(STDOUT, pack("nn", 2, 0));
- }
- //$oResult->close();
- } else {
- $this->writeLog("[MySQL] invalid query: ". $sQuery);
- fwrite(STDOUT, pack("nn", 2, 0));
- }
- }
+ // Fetching the data
+ $sData = fgets(STDIN, $iLength + 1);
+ $this->writeLog(LOG_DEBUG, "received data: ". $sData);
+ $aCommand = explode(":", $sData);
+ if (is_array($aCommand)) {
+ switch ($aCommand[0]) {
+ case "isuser":
+ // Check the existance of a given username
+ $this->isuser($aCommand);
break;
- case "auth":
- // provjeravamo autentifikaciju korisnika
- if (sizeof($aCommand) != 4){
- $this->writeLog("[exAuth] invalid auth command, data missing");
- fwrite(STDOUT, pack("nn", 2, 0));
- } else {
- // ovdje provjeri prijavu
- $sUser = str_replace(array("%20", "(a)"), array(" ", "@"), $aCommand[1]);
- $this->writeDebugLog("[debug] doing auth for ". $sUser);
- //$sQuery = "SELECT `uid`, `password` FROM `user` WHERE `password`='".hash('whirlpool',$aCommand[3])."' AND `nickname`='". $db->escape($sUser) ."'";
- $sQuery = "SELECT `uid`, `password` FROM `user` WHERE `nickname`='". $db->escape($sUser) ."'";
- $this->writeDebugLog("[debug] using query ". $sQuery);
- if ($oResult = q($sQuery)){
- $Error = ($oResult[0]["password"] != hash('whirlpool',$aCommand[3]));
-/*
- if ($oResult[0]["password"] == hash('whirlpool',$aCommand[3])) {
- // korisnik OK
- $this->writeLog("[exAuth] authentificated user ". $sUser ."@". $aCommand[2]);
- fwrite(STDOUT, pack("nn", 2, 1));
- } else {
- // korisnik nije OK
- $this->writeLog("[exAuth] authentification failed for user ". $sUser ."@". $aCommand[2]);
- fwrite(STDOUT, pack("nn", 2, 0));
- }
- $oResult->close();
-*/
- } else {
- $this->writeLog("[MySQL] invalid query: ". $sQuery);
- $Error = true;
- }
- if ($Error) {
- $oConfig = q("SELECT `v` FROM `pconfig` WHERE `uid`=1 AND `cat` = 'xmpp' AND `k`='password' LIMIT 1;");
- $this->writeLog("[exAuth] got password ".$oConfig[0]["v"]);
- $Error = ($aCommand[3] != $oConfig[0]["v"]);
- }
-
- if ($Error) {
- $this->writeLog("[exAuth] authentification failed for user ". $sUser ."@". $aCommand[2]);
- fwrite(STDOUT, pack("nn", 2, 0));
- } else {
- $this->writeLog("[exAuth] authentificated user ". $sUser ."@". $aCommand[2]);
- fwrite(STDOUT, pack("nn", 2, 1));
- }
- }
+ case "auth":
+ // Check if the givven password is correct
+ $this->auth($aCommand);
break;
- case "setpass":
- // postavljanje zaporke, onemoguceno
- $this->writeLog("[exAuth] setpass command disabled");
- fwrite(STDOUT, pack("nn", 2, 0));
+ case "setpass":
+ // We don't accept the setting of passwords here
+ $this->writeLog(LOG_NOTICE, "setpass command disabled");
+ fwrite(STDOUT, pack("nn", 2, 0));
break;
- default:
- // ako je uhvaceno ista drugo
- $this->writeLog("[exAuth] unknown command ". $aCommand[0]);
- fwrite(STDOUT, pack("nn", 2, 0));
+ default:
+ // We don't know the given command
+ $this->writeLog(LOG_NOTICE, "unknown command ". $aCommand[0]);
+ fwrite(STDOUT, pack("nn", 2, 0));
break;
- }
- } else {
- $this->writeDebugLog("[debug] invalid command string");
- fwrite(STDOUT, pack("nn", 2, 0));
}
+ } else {
+ $this->writeLog(LOG_NOTICE, "invalid command string ".$sData);
+ fwrite(STDOUT, pack("nn", 2, 0));
}
- unset ($iHeader);
- unset ($aLength);
- unset ($iLength);
- unset($aCommand);
} while (true);
}
- public function __destruct()
- {
- // zatvori log file
- $this->writeLog("[exAuth] stop");
+ /**
+ * @brief Check if the given username exists
+ *
+ * @param array $aCommand The command array
+ */
+ private function isuser($aCommand) {
+ $a = get_app();
- if (is_resource($this->rLogFile)){
- fclose($this->rLogFile);
+ // Check if there is a username
+ if (!isset($aCommand[1])) {
+ $this->writeLog(LOG_NOTICE, "invalid isuser command, no username given");
+ fwrite(STDOUT, pack("nn", 2, 0));
+ return;
}
- }
- private function writeLog($sMessage)
- {
- if (is_resource($this->rLogFile)) {
- fwrite($this->rLogFile, date("r") ." ". $sMessage ."\n");
+ // Now we check if the given user is valid
+ $sUser = str_replace(array("%20", "(a)"), array(" ", "@"), $aCommand[1]);
+
+ // Does the hostname match? So we try directly
+ if ($a->get_hostname() == $aCommand[2]) {
+ $this->writeLog(LOG_INFO, "internal user check for ". $sUser."@".$aCommand[2]);
+ $sQuery = "SELECT `uid` FROM `user` WHERE `nickname`='".dbesc($sUser)."'";
+ $this->writeLog(LOG_DEBUG, "using query ". $sQuery);
+ $r = q($sQuery);
+ $found = dbm::is_result($r);
+ } else {
+ $found = false;
}
+
+ // If the hostnames doesn't match or there is some failure, we try to check remotely
+ if (!$found) {
+ $found = $this->check_user($aCommand[2], $aCommand[1], true);
+ }
+
+ if ($found) {
+ // The user is okay
+ $this->writeLog(LOG_NOTICE, "valid user: ". $sUser);
+ fwrite(STDOUT, pack("nn", 2, 1));
+ } else {
+ // The user isn't okay
+ $this->writeLog(LOG_WARNING, "invalid user: ". $sUser);
+ fwrite(STDOUT, pack("nn", 2, 0));
+ }
+ }
+
+ /**
+ * @brief Check remote user existance via HTTP(S)
+ *
+ * @param string $host The hostname
+ * @param string $user Username
+ * @param boolean $ssl Should the check be done via SSL?
+ *
+ * @return boolean Was the user found?
+ */
+ private function check_user($host, $user, $ssl) {
+
+ $this->writeLog(LOG_INFO, "external user check for ".$user."@".$host);
+
+ $url = ($ssl ? "https":"http")."://".$host."/noscrape/".$user;
+
+ $data = z_fetch_url($url);
+
+ if (!is_array($data))
+ return(false);
+
+ if ($data["return_code"] != "200")
+ return(false);
+
+ $json = @json_decode($data["body"]);
+ if (!is_object($json))
+ return(false);
+
+ return($json->nick == $user);
}
- private function writeDebugLog($sMessage)
- {
- if ($this->bDebug){
- $this->writeLog($sMessage);
+ /**
+ * @brief Authenticate the givven user and password
+ *
+ * @param array $aCommand The command array
+ */
+ private function auth($aCommand) {
+ $a = get_app();
+
+ // check user authentication
+ if (sizeof($aCommand) != 4) {
+ $this->writeLog(LOG_NOTICE, "invalid auth command, data missing");
+ fwrite(STDOUT, pack("nn", 2, 0));
+ return;
+ }
+
+ // We now check if the password match
+ $sUser = str_replace(array("%20", "(a)"), array(" ", "@"), $aCommand[1]);
+
+ // Does the hostname match? So we try directly
+ if ($a->get_hostname() == $aCommand[2]) {
+ $this->writeLog(LOG_INFO, "internal auth for ".$sUser."@".$aCommand[2]);
+
+ $sQuery = "SELECT `uid`, `password` FROM `user` WHERE `nickname`='".dbesc($sUser)."'";
+ $this->writeLog(LOG_DEBUG, "using query ". $sQuery);
+ if ($oResult = q($sQuery)) {
+ $uid = $oResult[0]["uid"];
+ $Error = ($oResult[0]["password"] != hash('whirlpool',$aCommand[3]));
+ } else {
+ $this->writeLog(LOG_WARNING, "invalid query: ". $sQuery);
+ $Error = true;
+ $uid = -1;
+ }
+ if ($Error) {
+ $oConfig = q("SELECT `v` FROM `pconfig` WHERE `uid` = %d AND `cat` = 'xmpp' AND `k`='password' LIMIT 1;", intval($uid));
+ $this->writeLog(LOG_INFO, "check against alternate password for ".$sUser."@".$aCommand[2]);
+ $Error = ($aCommand[3] != $oConfig[0]["v"]);
+ }
+ } else {
+ $Error = true;
+ }
+
+ // If the hostnames doesn't match or there is some failure, we try to check remotely
+ if ($Error) {
+ $Error = !$this->check_credentials($aCommand[2], $aCommand[1], $aCommand[3], true);
+ }
+
+ if ($Error) {
+ $this->writeLog(LOG_WARNING, "authentification failed for user ".$sUser."@". $aCommand[2]);
+ fwrite(STDOUT, pack("nn", 2, 0));
+ } else {
+ $this->writeLog(LOG_NOTICE, "authentificated user ".$sUser."@".$aCommand[2]);
+ fwrite(STDOUT, pack("nn", 2, 1));
}
}
-}
-?>
+ /**
+ * @brief Check remote credentials via HTTP(S)
+ *
+ * @param string $host The hostname
+ * @param string $user Username
+ * @param string $password Password
+ * @param boolean $ssl Should the check be done via SSL?
+ *
+ * @return boolean Are the credentials okay?
+ */
+ private function check_credentials($host, $user, $password, $ssl) {
+ $url = ($ssl ? "https":"http")."://".$host."/api/account/verify_credentials.json";
+
+ $ch = curl_init();
+ curl_setopt($ch, CURLOPT_URL, $url);
+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+ curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
+ curl_setopt($ch, CURLOPT_HEADER, true);
+ curl_setopt($ch, CURLOPT_NOBODY, true);
+ curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
+ curl_setopt($ch, CURLOPT_USERPWD, $user.':'.$password);
+ $header = curl_exec($ch);
+ $curl_info = @curl_getinfo($ch);
+ $http_code = $curl_info["http_code"];
+ curl_close($ch);
+
+ $this->writeLog(LOG_INFO, "external auth for ".$user."@".$host." returned ".$http_code);
+
+ return ($http_code == 200);
+ }
+ /**
+ * @brief write data to the syslog
+ *
+ * @param integer $loglevel The syslog loglevel
+ * @param string $sMessage The syslog message
+ */
+ private function writeLog($loglevel, $sMessage) {
+ if (!$this->bDebug && ($loglevel >= LOG_DEBUG)) {
+ return;
+ }
+ syslog($loglevel, $sMessage);
+ }
+
+ /**
+ * @brief destroy the class, close the syslog connection.
+ */
+ public function __destruct() {
+ $this->writeLog(LOG_NOTICE, "stop");
+ closelog();
+ }
+}
projects / friendica.git / blobdiff