global $a, $db;
-if(is_null($a)) {
+if (is_null($a))
$a = new App;
-}
-if(is_null($db)) {
+if (is_null($db)) {
@include(".htconfig.php");
require_once("include/dba.php");
$db = new dba($db_host, $db_user, $db_pass, $db_data);
$oAuth = new exAuth($sLogFile, $bDebug);
-class exAuth
-{
+class exAuth {
private $sLogFile;
private $bDebug;
private $rLogFile;
- public function __construct($sLogFile, $bDebug)
- {
- global $a, $db;
+ /**
+ * @brief Create the class and do the authentification studd
+ *
+ * @param string $sLogFile The logfile name
+ * @param boolean $bDebug Debug mode
+ */
+ public function __construct($sLogFile, $bDebug) {
+ global $db;
// setter
$this->sLogFile = $sLogFile;
$this->bDebug = $bDebug;
- // ovo ne provjeravamo jer ako ne mozes kreirati log file, onda si u kvascu :)
+ // Open the logfile if the logfile name is defined
if ($this->sLogFile != '')
$this->rLogFile = fopen($this->sLogFile, "a") or die("Error opening log file: ". $this->sLogFile);
$this->writeLog("[exAuth] start");
- // ovdje bi trebali biti spojeni na MySQL, imati otvoren log i zavrtit cekalicu
+ // We are connected to the SQL server and are having a log file.
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: ". $sQuery);
- fwrite(STDOUT, pack("nn", 2, 0));
- }
- }
+ // Quit if the database connection went down
+ if (!$db->connected()) {
+ $this->writeDebugLog("[debug] the database connection went down");
+ return;
+ }
+
+ $iHeader = fgets(STDIN, 3);
+ $aLength = unpack("n", $iHeader);
+ $iLength = $aLength["1"];
+
+ // No data? Then quit
+ if ($iLength == 0) {
+ $this->writeDebugLog("[debug] we got no data");
+ return;
+ }
+
+ // Fetching the data
+ $sData = fgets(STDIN, $iLength + 1);
+ $this->writeDebugLog("[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."@".$aCommand[2]);
-
- // If the hostnames doesn't match, we try to authenticate remotely
- if ($a->get_hostname() != $aCommand[2])
- $Error = !$this->check_credentials($aCommand[2], $aCommand[1], $aCommand[3], true);
- else {
-
- //$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)){
- $uid = $oResult[0]["uid"];
- $Error = ($oResult[0]["password"] != hash('whirlpool',$aCommand[3]));
- } else {
- $this->writeLog("[MySQL] 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));
- $this->writeLog("[exAuth] got password ".$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("[exAuth] 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("[exAuth] 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 {
+ $this->writeDebugLog("[debug] invalid command string");
+ fwrite(STDOUT, pack("nn", 2, 0));
}
- unset ($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 string $aCommand The command string
+ */
+ private function isuser($aCommand) {
+ global $a;
+
+ // Check if there is a username
+ if (!isset($aCommand[1])) {
+ $this->writeLog("[exAuth] invalid isuser command, no username given");
+ fwrite(STDOUT, pack("nn", 2, 0));
+ } else {
+ // Now we check if the given user is valid
+ $sUser = str_replace(array("%20", "(a)"), array(" ", "@"), $aCommand[1]);
+ $this->writeDebugLog("[debug] checking isuser for ". $sUser."@".$aCommand[2]);
+
+ // If the hostnames doesn't match, we try to check remotely
+ if ($a->get_hostname() != $aCommand[2])
+ $found = $this->check_user($aCommand[2], $aCommand[1], true);
+ else {
+ $sQuery = "SELECT `uid` FROM `user` WHERE `nickname`='".dbesc($sUser)."'";
+ $this->writeDebugLog("[debug] using query ". $sQuery);
+ $r = q($sQuery);
+ $found = dbm::is_result($r);
+ }
+ if ($found) {
+ // The user is okay
+ $this->writeLog("[exAuth] valid user: ". $sUser);
+ fwrite(STDOUT, pack("nn", 2, 1));
+ } else {
+ // The user isn't okay
+ $this->writeLog("[exAuth] invalid user: ". $sUser);
+ fwrite(STDOUT, pack("nn", 2, 0));
+ }
+ }
+ }
- if (is_resource($this->rLogFile)){
- fclose($this->rLogFile);
+ /**
+ * @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) {
+
+ $url = ($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);
+ }
+
+ /**
+ * @brief Authenticate the givven user and password
+ *
+ * @param string $aCommand The command string
+ */
+ private function auth($aCommand) {
+ global $a;
+
+ // check user authentication
+ if (sizeof($aCommand) != 4) {
+ $this->writeLog("[exAuth] invalid auth command, data missing");
+ fwrite(STDOUT, pack("nn", 2, 0));
+ } else {
+ // We now check if the password match
+ $sUser = str_replace(array("%20", "(a)"), array(" ", "@"), $aCommand[1]);
+ $this->writeDebugLog("[debug] doing auth for ".$sUser."@".$aCommand[2]);
+
+ // If the hostnames doesn't match, we try to authenticate remotely
+ if ($a->get_hostname() != $aCommand[2])
+ $Error = !$this->check_credentials($aCommand[2], $aCommand[1], $aCommand[3], true);
+ else {
+ $sQuery = "SELECT `uid`, `password` FROM `user` WHERE `nickname`='".dbesc($sUser)."'";
+ $this->writeDebugLog("[debug] using query ". $sQuery);
+ if ($oResult = q($sQuery)) {
+ $uid = $oResult[0]["uid"];
+ $Error = ($oResult[0]["password"] != hash('whirlpool',$aCommand[3]));
+ } else {
+ $this->writeLog("[MySQL] 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));
+ $this->writeLog("[exAuth] got password ".$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));
+ }
}
}
+ /**
+ * @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) {
+ $this->writeDebugLog("[debug] check credentials for user ".$user." on ".$host);
$url = ($ssl ? "https":"http")."://".$host."/api/account/verify_credentials.json";
$http_code = $curl_info["http_code"];
curl_close($ch);
- return($http_code == 200);
+ $this->writeDebugLog("[debug] got HTTP code ".$http_code);
+
+ return ($http_code == 200);
}
- private function writeLog($sMessage)
- {
- if (is_resource($this->rLogFile)) {
- fwrite($this->rLogFile, date("r") ." ". $sMessage ."\n");
- }
+ /**
+ * @brief write data to the logfile
+ *
+ * @param string $sMessage The logfile message
+ */
+ private function writeLog($sMessage) {
+ if (is_resource($this->rLogFile))
+ fwrite($this->rLogFile, date("r")." ".$sMessage."\n");
}
- private function writeDebugLog($sMessage)
- {
- if ($this->bDebug){
+ /**
+ * @brief write debug data to the logfile
+ *
+ * @param string $sMessage The logfile message
+ */
+ private function writeDebugLog($sMessage) {
+ if ($this->bDebug)
$this->writeLog($sMessage);
- }
}
+ /**
+ * @brief destroy the class
+ */
+ public function __destruct() {
+ // close the log file
+ $this->writeLog("[exAuth] stop");
+
+ if (is_resource($this->rLogFile))
+ fclose($this->rLogFile);
+ }
}
?>
-
-
projects / friendica.git / commitdiff