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Merge pull request #3864 from annando/ejabber-auth

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Logging for ejabberd authentication is now done via syslog
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Hypolite Petovan 2017-11-04 10:02:53 -04:00 committed by GitHub
commit 92a1c7814b
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2 changed files with 41 additions and 62 deletions
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1
doc/htconfig.md
View file

@ -19,7 +19,6 @@ Example: To set the directory value please add this line to your .htconfig.php:
## jabber ##
* **debug** (Boolean) - Enable debug level for the jabber account synchronisation.
* **logfile** - Logfile for the jabber account synchronisation.
## system ##

102
include/auth_ejabberd.php
View file

@ -33,6 +33,7 @@
*/
use Friendica\App;
use Friendica\Core\Config;
if (sizeof($_SERVER["argv"]) == 0)
die();
@ -58,42 +59,30 @@ require_once("include/dba.php");
dba::connect($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);
$oAuth = new exAuth();
class exAuth {
private $sLogFile;
private $bDebug;
private $rLogFile;
/**
* @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) {
public function __construct() {
// setter
$this->sLogFile = $sLogFile;
$this->bDebug = $bDebug;
$this->bDebug = (int)Config::get('jabber', 'debug');
// Open the logfile if the logfile name is defined
if ($this->sLogFile != '')
$this->rLogFile = fopen($this->sLogFile, "a") || die("Error opening log file: ". $this->sLogFile);
$this->writeLog("[exAuth] start");
openlog('auth_ejabberd', LOG_PID, LOG_USER);
// We are connected to the SQL server and are having a log file.
$this->writeLog(LOG_NOTICE, "start");
// We are connected to the SQL server.
do {
// Quit if the database connection went down
if (!dba::connected()) {
$this->writeDebugLog("[debug] the database connection went down");
$this->writeLog(LOG_ERR, "the database connection went down");
return;
}
@ -103,13 +92,13 @@ class exAuth {
// No data? Then quit
if ($iLength == 0) {
$this->writeDebugLog("[debug] we got no data");
$this->writeLog(LOG_ERR, "we got no data, quitting");
return;
}
// Fetching the data
$sData = fgets(STDIN, $iLength + 1);
$this->writeDebugLog("[debug] received data: ". $sData);
$this->writeLog(LOG_DEBUG, "received data: ". $sData);
$aCommand = explode(":", $sData);
if (is_array($aCommand)) {
switch ($aCommand[0]) {
@ -123,17 +112,17 @@ class exAuth {
break;
case "setpass":
// We don't accept the setting of passwords here
$this->writeLog("[exAuth] setpass command disabled");
$this->writeLog(LOG_NOTICE, "setpass command disabled");
fwrite(STDOUT, pack("nn", 2, 0));
break;
default:
// We don't know the given command
$this->writeLog("[exAuth] unknown command ". $aCommand[0]);
$this->writeLog(LOG_NOTICE, "unknown command ". $aCommand[0]);
fwrite(STDOUT, pack("nn", 2, 0));
break;
}
} else {
$this->writeDebugLog("[debug] invalid command string");
$this->writeLog(LOG_NOTICE, "invalid command string ".$sData);
fwrite(STDOUT, pack("nn", 2, 0));
}
} while (true);
@ -149,19 +138,19 @@ class exAuth {
// Check if there is a username
if (!isset($aCommand[1])) {
$this->writeLog("[exAuth] invalid isuser command, no username given");
$this->writeLog(LOG_NOTICE, "invalid isuser command, no username given");
fwrite(STDOUT, pack("nn", 2, 0));
return;
}
// 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]);
// Does the hostname match? So we try directly
if ($a->get_hostname() == $aCommand[2]) {
$this->writeLog(LOG_INFO, "internal user check for ". $sUser."@".$aCommand[2]);
$sQuery = "SELECT `uid` FROM `user` WHERE `nickname`='".dbesc($sUser)."'";
$this->writeDebugLog("[debug] using query ". $sQuery);
$this->writeLog(LOG_DEBUG, "using query ". $sQuery);
$r = q($sQuery);
$found = dbm::is_result($r);
} else {
@ -175,11 +164,11 @@ class exAuth {
if ($found) {
// The user is okay
$this->writeLog("[exAuth] valid user: ". $sUser);
$this->writeLog(LOG_NOTICE, "valid user: ". $sUser);
fwrite(STDOUT, pack("nn", 2, 1));
} else {
// The user isn't okay
$this->writeLog("[exAuth] invalid user: ". $sUser);
$this->writeLog(LOG_WARNING, "invalid user: ". $sUser);
fwrite(STDOUT, pack("nn", 2, 0));
}
}
@ -195,6 +184,8 @@ class exAuth {
*/
private function check_user($host, $user, $ssl) {
$this->writeLog(LOG_INFO, "external user check for ".$user."@".$host);
$url = ($ssl ? "https":"http")."://".$host."/noscrape/".$user;
$data = z_fetch_url($url);
@ -222,30 +213,31 @@ class exAuth {
// check user authentication
if (sizeof($aCommand) != 4) {
$this->writeLog("[exAuth] invalid auth command, data missing");
$this->writeLog(LOG_NOTICE, "invalid auth command, data missing");
fwrite(STDOUT, pack("nn", 2, 0));
return;
}
// We now check if the password match
$sUser = str_replace(array("%20", "(a)"), array(" ", "@"), $aCommand[1]);
$this->writeDebugLog("[debug] doing auth for ".$sUser."@".$aCommand[2]);
// Does the hostname match? So we try directly
if ($a->get_hostname() == $aCommand[2]) {
$this->writeLog(LOG_INFO, "internal auth for ".$sUser."@".$aCommand[2]);
$sQuery = "SELECT `uid`, `password` FROM `user` WHERE `nickname`='".dbesc($sUser)."'";
$this->writeDebugLog("[debug] using query ". $sQuery);
$this->writeLog(LOG_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);
$this->writeLog(LOG_WARNING, "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"]);
$this->writeLog(LOG_INFO, "check against alternate password for ".$sUser."@".$aCommand[2]);
$Error = ($aCommand[3] != $oConfig[0]["v"]);
}
} else {
@ -258,10 +250,10 @@ class exAuth {
}
if ($Error) {
$this->writeLog("[exAuth] authentification failed for user ".$sUser."@". $aCommand[2]);
$this->writeLog(LOG_WARNING, "authentification failed for user ".$sUser."@". $aCommand[2]);
fwrite(STDOUT, pack("nn", 2, 0));
} else {
$this->writeLog("[exAuth] authentificated user ".$sUser."@".$aCommand[2]);
$this->writeLog(LOG_NOTICE, "authentificated user ".$sUser."@".$aCommand[2]);
fwrite(STDOUT, pack("nn", 2, 1));
}
}
@ -277,8 +269,6 @@ class exAuth {
* @return boolean Are the credentials okay?
*/
private function check_credentials($host, $user, $password, $ssl) {
$this->writeDebugLog("[debug] check credentials for user ".$user." on ".$host);
$url = ($ssl ? "https":"http")."://".$host."/api/account/verify_credentials.json";
$ch = curl_init();
@ -295,39 +285,29 @@ class exAuth {
$http_code = $curl_info["http_code"];
curl_close($ch);
$this->writeDebugLog("[debug] got HTTP code ".$http_code);
$this->writeLog(LOG_INFO, "external auth for ".$user."@".$host." returned ".$http_code);
return ($http_code == 200);
}
/**
* @brief write data to the logfile
* @brief write data to the syslog
*
* @param string $sMessage The logfile message
* @param integer $loglevel The syslog loglevel
* @param string $sMessage The syslog message
*/
private function writeLog($sMessage) {
if (is_resource($this->rLogFile))
fwrite($this->rLogFile, date("r")." ".getmypid()." ".$sMessage."\n");
private function writeLog($loglevel, $sMessage) {
if (!$this->bDebug && ($loglevel >= LOG_DEBUG)) {
return;
}
syslog($loglevel, $sMessage);
}
/**
* @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
* @brief destroy the class, close the syslog connection.
*/
public function __destruct() {
// close the log file
$this->writeLog("[exAuth] stop");
if (is_resource($this->rLogFile))
fclose($this->rLogFile);
$this->writeLog(LOG_NOTICE, "stop");
closelog();
}
}