Merge pull request #2787 from annando/1609-xmpp-auth
Reworked ejabberd authentification
This commit is contained in:
Tobias Diekershoff
GitHub
commit
4948460232
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@ -47,11 +47,10 @@ require_once("boot.php");
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global $a, $db;
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if(is_null($a)) {
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if (is_null($a))
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$a = new App;
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}
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if(is_null($db)) {
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if (is_null($db)) {
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@include(".htconfig.php");
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require_once("include/dba.php");
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$db = new dba($db_host, $db_user, $db_pass, $db_data);
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@ -66,142 +65,210 @@ $bDebug = get_config('jabber','debug');
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$oAuth = new exAuth($sLogFile, $bDebug);
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class exAuth
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{
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class exAuth {
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private $sLogFile;
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private $bDebug;
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private $rLogFile;
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public function __construct($sLogFile, $bDebug)
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{
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global $a, $db;
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/**
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* @brief Create the class and do the authentification studd
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*
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* @param string $sLogFile The logfile name
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* @param boolean $bDebug Debug mode
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*/
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public function __construct($sLogFile, $bDebug) {
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global $db;
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// setter
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$this->sLogFile = $sLogFile;
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$this->bDebug = $bDebug;
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// ovo ne provjeravamo jer ako ne mozes kreirati log file, onda si u kvascu :)
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// Open the logfile if the logfile name is defined
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if ($this->sLogFile != '')
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$this->rLogFile = fopen($this->sLogFile, "a") or die("Error opening log file: ". $this->sLogFile);
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$this->writeLog("[exAuth] start");
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// ovdje bi trebali biti spojeni na MySQL, imati otvoren log i zavrtit cekalicu
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// We are connected to the SQL server and are having a log file.
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do {
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$iHeader = fgets(STDIN, 3);
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$aLength = unpack("n", $iHeader);
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$iLength = $aLength["1"];
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if($iLength > 0) {
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// ovo znaci da smo nesto dobili
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$sData = fgets(STDIN, $iLength + 1);
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$this->writeDebugLog("[debug] received data: ". $sData);
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$aCommand = explode(":", $sData);
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if (is_array($aCommand)){
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switch ($aCommand[0]){
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case "isuser":
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// provjeravamo je li korisnik dobar
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if (!isset($aCommand[1])){
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$this->writeLog("[exAuth] invalid isuser command, no username given");
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fwrite(STDOUT, pack("nn", 2, 0));
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} else {
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// ovdje provjeri je li korisnik OK
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$sUser = str_replace(array("%20", "(a)"), array(" ", "@"), $aCommand[1]);
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$this->writeDebugLog("[debug] checking isuser for ". $sUser);
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$sQuery = "SELECT `uid` FROM `user` WHERE `nickname`='". $db->escape($sUser) ."'";
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$this->writeDebugLog("[debug] using query ". $sQuery);
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if ($oResult = q($sQuery)){
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if ($oResult) {
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// korisnik OK
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$this->writeLog("[exAuth] valid user: ". $sUser);
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fwrite(STDOUT, pack("nn", 2, 1));
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} else {
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// korisnik nije OK
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$this->writeLog("[exAuth] invalid user: ". $sUser);
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fwrite(STDOUT, pack("nn", 2, 0));
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}
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//$oResult->close();
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} else {
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$this->writeLog("[MySQL] invalid query: ". $sQuery);
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fwrite(STDOUT, pack("nn", 2, 0));
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}
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}
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break;
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case "auth":
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// provjeravamo autentifikaciju korisnika
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if (sizeof($aCommand) != 4){
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$this->writeLog("[exAuth] invalid auth command, data missing");
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fwrite(STDOUT, pack("nn", 2, 0));
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} else {
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// ovdje provjeri prijavu
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$sUser = str_replace(array("%20", "(a)"), array(" ", "@"), $aCommand[1]);
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$this->writeDebugLog("[debug] doing auth for ".$sUser."@".$aCommand[2]);
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// If the hostnames doesn't match, we try to authenticate remotely
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if ($a->get_hostname() != $aCommand[2])
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$Error = !$this->check_credentials($aCommand[2], $aCommand[1], $aCommand[3], true);
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else {
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//$sQuery = "SELECT `uid`, `password` FROM `user` WHERE `password`='".hash('whirlpool',$aCommand[3])."' AND `nickname`='". $db->escape($sUser) ."'";
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$sQuery = "SELECT `uid`, `password` FROM `user` WHERE `nickname`='". $db->escape($sUser) ."'";
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$this->writeDebugLog("[debug] using query ". $sQuery);
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if ($oResult = q($sQuery)){
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$uid = $oResult[0]["uid"];
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$Error = ($oResult[0]["password"] != hash('whirlpool',$aCommand[3]));
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} else {
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$this->writeLog("[MySQL] invalid query: ". $sQuery);
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$Error = true;
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$uid = -1;
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}
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if ($Error) {
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$oConfig = q("SELECT `v` FROM `pconfig` WHERE `uid`=%d AND `cat` = 'xmpp' AND `k`='password' LIMIT 1;", intval($uid));
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$this->writeLog("[exAuth] got password ".$oConfig[0]["v"]);
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$Error = ($aCommand[3] != $oConfig[0]["v"]);
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}
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}
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if ($Error) {
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$this->writeLog("[exAuth] authentification failed for user ". $sUser ."@". $aCommand[2]);
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fwrite(STDOUT, pack("nn", 2, 0));
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} else {
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$this->writeLog("[exAuth] authentificated user ". $sUser ."@". $aCommand[2]);
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fwrite(STDOUT, pack("nn", 2, 1));
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}
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}
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break;
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case "setpass":
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// postavljanje zaporke, onemoguceno
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$this->writeLog("[exAuth] setpass command disabled");
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fwrite(STDOUT, pack("nn", 2, 0));
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break;
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default:
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// ako je uhvaceno ista drugo
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$this->writeLog("[exAuth] unknown command ". $aCommand[0]);
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fwrite(STDOUT, pack("nn", 2, 0));
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break;
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}
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} else {
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$this->writeDebugLog("[debug] invalid command string");
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fwrite(STDOUT, pack("nn", 2, 0));
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}
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// Quit if the database connection went down
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if (!$db->connected()) {
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$this->writeDebugLog("[debug] the database connection went down");
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return;
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}
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$iHeader = fgets(STDIN, 3);
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$aLength = unpack("n", $iHeader);
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$iLength = $aLength["1"];
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// No data? Then quit
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if ($iLength == 0) {
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$this->writeDebugLog("[debug] we got no data");
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return;
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}
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// Fetching the data
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$sData = fgets(STDIN, $iLength + 1);
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$this->writeDebugLog("[debug] received data: ". $sData);
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$aCommand = explode(":", $sData);
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if (is_array($aCommand)) {
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switch ($aCommand[0]) {
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case "isuser":
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// Check the existance of a given username
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$this->isuser($aCommand);
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break;
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case "auth":
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// Check if the givven password is correct
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$this->auth($aCommand);
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break;
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case "setpass":
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// We don't accept the setting of passwords here
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$this->writeLog("[exAuth] setpass command disabled");
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fwrite(STDOUT, pack("nn", 2, 0));
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break;
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default:
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// We don't know the given command
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$this->writeLog("[exAuth] unknown command ". $aCommand[0]);
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fwrite(STDOUT, pack("nn", 2, 0));
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break;
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}
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} else {
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$this->writeDebugLog("[debug] invalid command string");
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fwrite(STDOUT, pack("nn", 2, 0));
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}
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unset ($iHeader);
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unset ($aLength);
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unset ($iLength);
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unset($aCommand);
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} while (true);
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}
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public function __destruct()
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{
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// zatvori log file
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$this->writeLog("[exAuth] stop");
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/**
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* @brief Check if the given username exists
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*
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* @param array $aCommand The command array
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*/
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private function isuser($aCommand) {
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global $a;
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if (is_resource($this->rLogFile)){
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fclose($this->rLogFile);
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// Check if there is a username
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if (!isset($aCommand[1])) {
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$this->writeLog("[exAuth] invalid isuser command, no username given");
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fwrite(STDOUT, pack("nn", 2, 0));
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return;
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}
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// Now we check if the given user is valid
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$sUser = str_replace(array("%20", "(a)"), array(" ", "@"), $aCommand[1]);
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$this->writeDebugLog("[debug] checking isuser for ". $sUser."@".$aCommand[2]);
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// If the hostnames doesn't match, we try to check remotely
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if ($a->get_hostname() != $aCommand[2])
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$found = $this->check_user($aCommand[2], $aCommand[1], true);
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else {
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$sQuery = "SELECT `uid` FROM `user` WHERE `nickname`='".dbesc($sUser)."'";
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$this->writeDebugLog("[debug] using query ". $sQuery);
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$r = q($sQuery);
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$found = dbm::is_result($r);
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}
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if ($found) {
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// The user is okay
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$this->writeLog("[exAuth] valid user: ". $sUser);
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fwrite(STDOUT, pack("nn", 2, 1));
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} else {
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// The user isn't okay
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$this->writeLog("[exAuth] invalid user: ". $sUser);
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fwrite(STDOUT, pack("nn", 2, 0));
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}
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}
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/**
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* @brief Check remote user existance via HTTP(S)
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*
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* @param string $host The hostname
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* @param string $user Username
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* @param boolean $ssl Should the check be done via SSL?
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*
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* @return boolean Was the user found?
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*/
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private function check_user($host, $user, $ssl) {
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$url = ($ssl ? "https":"http")."://".$host."/noscrape/".$user;
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$data = z_fetch_url($url);
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if (!is_array($data))
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return(false);
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if ($data["return_code"] != "200")
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return(false);
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$json = @json_decode($data["body"]);
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if (!is_object($json))
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return(false);
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return($json->nick == $user);
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}
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/**
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* @brief Authenticate the givven user and password
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*
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* @param array $aCommand The command array
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*/
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private function auth($aCommand) {
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global $a;
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// check user authentication
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if (sizeof($aCommand) != 4) {
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$this->writeLog("[exAuth] invalid auth command, data missing");
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fwrite(STDOUT, pack("nn", 2, 0));
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return;
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}
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// We now check if the password match
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$sUser = str_replace(array("%20", "(a)"), array(" ", "@"), $aCommand[1]);
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$this->writeDebugLog("[debug] doing auth for ".$sUser."@".$aCommand[2]);
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// If the hostnames doesn't match, we try to authenticate remotely
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if ($a->get_hostname() != $aCommand[2])
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$Error = !$this->check_credentials($aCommand[2], $aCommand[1], $aCommand[3], true);
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else {
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$sQuery = "SELECT `uid`, `password` FROM `user` WHERE `nickname`='".dbesc($sUser)."'";
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$this->writeDebugLog("[debug] using query ". $sQuery);
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if ($oResult = q($sQuery)) {
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$uid = $oResult[0]["uid"];
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$Error = ($oResult[0]["password"] != hash('whirlpool',$aCommand[3]));
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} else {
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$this->writeLog("[MySQL] invalid query: ". $sQuery);
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$Error = true;
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$uid = -1;
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}
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if ($Error) {
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$oConfig = q("SELECT `v` FROM `pconfig` WHERE `uid` = %d AND `cat` = 'xmpp' AND `k`='password' LIMIT 1;", intval($uid));
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$this->writeLog("[exAuth] got password ".$oConfig[0]["v"]);
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$Error = ($aCommand[3] != $oConfig[0]["v"]);
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}
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}
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if ($Error) {
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$this->writeLog("[exAuth] authentification failed for user ".$sUser."@". $aCommand[2]);
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fwrite(STDOUT, pack("nn", 2, 0));
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} else {
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$this->writeLog("[exAuth] authentificated user ".$sUser."@".$aCommand[2]);
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fwrite(STDOUT, pack("nn", 2, 1));
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}
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}
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/**
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* @brief Check remote credentials via HTTP(S)
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*
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* @param string $host The hostname
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* @param string $user Username
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* @param string $password Password
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* @param boolean $ssl Should the check be done via SSL?
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*
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* @return boolean Are the credentials okay?
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*/
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private function check_credentials($host, $user, $password, $ssl) {
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$this->writeDebugLog("[debug] check credentials for user ".$user." on ".$host);
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$url = ($ssl ? "https":"http")."://".$host."/api/account/verify_credentials.json";
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@ -219,24 +286,40 @@ class exAuth
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$http_code = $curl_info["http_code"];
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curl_close($ch);
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return($http_code == 200);
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$this->writeDebugLog("[debug] got HTTP code ".$http_code);
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return ($http_code == 200);
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}
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private function writeLog($sMessage)
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{
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if (is_resource($this->rLogFile)) {
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fwrite($this->rLogFile, date("r") ." ". $sMessage ."\n");
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}
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/**
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* @brief write data to the logfile
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*
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* @param string $sMessage The logfile message
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*/
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private function writeLog($sMessage) {
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if (is_resource($this->rLogFile))
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fwrite($this->rLogFile, date("r")." ".$sMessage."\n");
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}
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private function writeDebugLog($sMessage)
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{
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if ($this->bDebug){
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/**
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* @brief write debug data to the logfile
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*
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* @param string $sMessage The logfile message
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*/
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private function writeDebugLog($sMessage) {
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if ($this->bDebug)
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$this->writeLog($sMessage);
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}
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}
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/**
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* @brief destroy the class
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*/
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public function __destruct() {
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// close the log file
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$this->writeLog("[exAuth] stop");
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if (is_resource($this->rLogFile))
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fclose($this->rLogFile);
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}
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}
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?>
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@ -249,6 +249,15 @@ class dba {
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}
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}
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function connected() {
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if ($this->mysqli)
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$connected = $this->db->ping();
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else
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$connected = mysql_ping($this->db);
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return $connected;
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}
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function __destruct() {
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if ($this->db)
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if($this->mysqli)
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