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#!/usr/bin/php
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<?php |
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/* |
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* ejabberd extauth script for the integration with friendica |
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* |
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* Originally written for joomla by Dalibor Karlovic <dado@krizevci.info> |
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* modified for Friendica by Michael Vogel <icarus@dabo.de> |
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* published under GPL |
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* |
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* Latest version of the original script for joomla is available at: |
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* http://87.230.15.86/~dado/ejabberd/joomla-login |
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* |
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* Installation: |
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* |
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* - Change it's owner to whichever user is running the server, ie. ejabberd |
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* $ chown ejabberd:ejabberd /path/to/friendica/include/auth_ejabberd.php |
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* |
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* - Change the access mode so it is readable only to the user ejabberd and has exec |
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* $ chmod 700 /path/to/friendica/include/auth_ejabberd.php |
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* |
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* - Edit your ejabberd.cfg file, comment out your auth_method and add: |
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* {auth_method, external}. |
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* {extauth_program, "/path/to/friendica/include/auth_ejabberd.php"}. |
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* |
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* - Restart your ejabberd service, you should be able to login with your friendica auth info |
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* |
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* Other hints: |
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* - if your users have a space or a @ in their nickname, they'll run into trouble |
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* registering with any client so they should be instructed to replace these chars |
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* " " (space) is replaced with "%20" |
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* "@" is replaced with "(a)" |
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* |
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*/ |
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if (sizeof($_SERVER["argv"]) == 0) |
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die(); |
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$directory = dirname($_SERVER["argv"][0]); |
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if (substr($directory, 0, 1) != "/") |
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$directory = $_SERVER["PWD"]."/".$directory; |
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$directory = realpath($directory."/.."); |
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chdir($directory); |
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require_once("boot.php"); |
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global $a, $db; |
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if(is_null($a)) { |
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$a = new App; |
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} |
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if(is_null($db)) { |
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@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, $db_data); |
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unset($db_host, $db_user, $db_pass, $db_data); |
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}; |
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// the logfile to which to write, should be writeable by the user which is running the server
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$sLogFile = get_config('jabber','logfile'); |
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// set true to debug if needed
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$bDebug = get_config('jabber','debug'); |
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$oAuth = new exAuth($sLogFile, $bDebug); |
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class exAuth |
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{ |
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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 $db; |
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// setter
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$this->sLogFile = $sLogFile; |
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$this->bDebug = $bDebug; |
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// ovo ne provjeravamo jer ako ne mozes kreirati log file, onda si u kvascu :)
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if ($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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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 * 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 ". $sUser); |
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$sQuery = "select * from user where password='".hash('whirlpool',$aCommand[3])."' and 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] authentificated user ". $sUser ."@". $aCommand[2]); |
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fwrite(STDOUT, pack("nn", 2, 1)); |
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} else { |
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// korisnik nije OK
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$this->writeLog("[exAuth] authentification failed for user ". $sUser ."@". $aCommand[2]); |
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fwrite(STDOUT, pack("nn", 2, 0)); |
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} |
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$oResult->close(); |
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} else { |
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$this->writeLog("[MySQL] invalid query: ". $sQuery); |
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fwrite(STDOUT, pack("nn", 2, 0)); |
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} |
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} |
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break; |
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case "setpass": |
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// postavljanje zaporke, onemoguceno
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$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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} |
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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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$this->writeLog("[exAuth] stop"); |
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if (is_resource($this->rLogFile)){ |
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fclose($this->rLogFile); |
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} |
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} |
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private function writeLog($sMessage) |
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{ |
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if (is_resource($this->rLogFile)) { |
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fwrite($this->rLogFile, date("r") ." ". $sMessage ."\n"); |
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} |
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} |
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private function writeDebugLog($sMessage) |
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{ |
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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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?>
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