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It's now possible to authenticate an ejabberd server against friendica. See auth_ejabberd.php for details how to install.

tags/3.2
Michael Vogel 7 years ago
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1 changed files with 208 additions and 0 deletions
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#!/usr/bin/php
<?php
/*
* ejabberd extauth script for the integration with friendica
*
* Originally written for joomla by Dalibor Karlovic <dado@krizevci.info>
* modified for Friendica by Michael Vogel <icarus@dabo.de>
* published under GPL
*
* Latest version of the original script for joomla is available at:
* http://87.230.15.86/~dado/ejabberd/joomla-login
*
* Installation:
*
* - Change it's owner to whichever user is running the server, ie. ejabberd
* $ chown ejabberd:ejabberd /path/to/friendica/include/auth_ejabberd.php
*
* - Change the access mode so it is readable only to the user ejabberd and has exec
* $ chmod 700 /path/to/friendica/include/auth_ejabberd.php
*
* - Edit your ejabberd.cfg file, comment out your auth_method and add:
* {auth_method, external}.
* {extauth_program, "/path/to/friendica/include/auth_ejabberd.php"}.
*
* - Restart your ejabberd service, you should be able to login with your friendica auth info
*
* Other hints:
* - if your users have a space or a @ in their nickname, they'll run into trouble
* registering with any client so they should be instructed to replace these chars
* " " (space) is replaced with "%20"
* "@" is replaced with "(a)"
*
*/

if (sizeof($_SERVER["argv"]) == 0)
die();

$directory = dirname($_SERVER["argv"][0]);

if (substr($directory, 0, 1) != "/")
$directory = $_SERVER["PWD"]."/".$directory;

$directory = realpath($directory."/..");

chdir($directory);
require_once("boot.php");

global $a, $db;

if(is_null($a)) {
$a = new App;
}

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);
};

// the logfile to which to write, should be writeable by the user which is running the server
$sLogFile = get_config('jabber','logfile');

// set true to debug if needed
$bDebug = get_config('jabber','debug');

$oAuth = new exAuth($sLogFile, $bDebug);

class exAuth
{
private $sLogFile;
private $bDebug;

private $rLogFile;

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 :)
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
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 * 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: ". $sQuery);
fwrite(STDOUT, pack("nn", 2, 0));
}
}
break;
case "auth":
// provjeravamo autentifikaciju korisnika
if (sizeof($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);
$sQuery = "select * from user where password='".hash('whirlpool',$aCommand[3])."' and nickname='". $db->escape($sUser) ."'";
$this->writeDebugLog("[debug] using query ". $sQuery);
if ($oResult = q($sQuery)){
if ($oResult) {
// 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);
fwrite(STDOUT, pack("nn", 2, 0));
}
}
break;
case "setpass":
// postavljanje zaporke, onemoguceno
$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));
break;
}
} 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");

if (is_resource($this->rLogFile)){
fclose($this->rLogFile);
}
}

private function writeLog($sMessage)
{
if (is_resource($this->rLogFile)) {
fwrite($this->rLogFile, date("r") ." ". $sMessage ."\n");
}
}

private function writeDebugLog($sMessage)
{
if ($this->bDebug){
$this->writeLog($sMessage);
}
}

}
?>



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