226 lines
6.9 KiB
PHP
Executable file
226 lines
6.9 KiB
PHP
Executable file
#!/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 `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 ". $sUser);
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//$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($sQuery)){
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$Error = ($oResult[0]["password"] != hash('whirlpool',$aCommand[3]));
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/*
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if ($oResult[0]["password"] == hash('whirlpool',$aCommand[3])) {
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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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*/
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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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}
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if ($Error) {
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$oConfig = q("SELECT `v` FROM `pconfig` WHERE `uid`=1 AND `cat` = 'xmpp' AND `k`='password' LIMIT 1;");
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$this->writeLog("[exAuth] got password ".$oConfig[0]["v"]);
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$Error = ($aCommand[3] != $oConfig[0]["v"]);
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}
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if ($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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}
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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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