X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=scripts%2Fauth_ejabberd.php;h=5c516f3987ef75bf7173fe0cfe1d86eec2f16101;hb=3873d4863fa7e73467f34c8f3db9fee9387f8502;hp=9ad79004d59338ce1422571009aeb6bc29ebef8d;hpb=158cc9dc459ae38f5f1cb23ddb94bdb0e4566dd7;p=friendica.git

diff --git a/scripts/auth_ejabberd.php b/scripts/auth_ejabberd.php
index 9ad79004d5..5c516f3987 100755
--- a/scripts/auth_ejabberd.php
+++ b/scripts/auth_ejabberd.php
@@ -1,4 +1,4 @@
-#!/usr/bin/php
+#!/usr/bin/env php
 <?php
 /*
  * ejabberd extauth script for the integration with friendica
@@ -12,39 +12,40 @@
  *
  * Installation:
  *
- *	- Change it's owner to whichever user is running the server, ie. ejabberd
- *	  $ chown ejabberd:ejabberd /path/to/friendica/scripts/auth_ejabberd.php
+ * 	- Change it's owner to whichever user is running the server, ie. ejabberd
+ * 	  $ chown ejabberd:ejabberd /path/to/friendica/scripts/auth_ejabberd.php
  *
  * 	- Change the access mode so it is readable only to the user ejabberd and has exec
- *	  $ chmod 700 /path/to/friendica/scripts/auth_ejabberd.php
+ * 	  $ chmod 700 /path/to/friendica/scripts/auth_ejabberd.php
  *
- *	- Edit your ejabberd.cfg file, comment out your auth_method and add:
- *	  {auth_method, external}.
- *	  {extauth_program, "/path/to/friendica/script/auth_ejabberd.php"}.
+ * 	- Edit your ejabberd.cfg file, comment out your auth_method and add:
+ * 	  {auth_method, external}.
+ * 	  {extauth_program, "/path/to/friendica/script/auth_ejabberd.php"}.
  *
- *	- Restart your ejabberd service, you should be able to login with your friendica auth info
+ * 	- 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 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)"
  *
  */
 
 use Friendica\App;
-use Friendica\Core\Config;
-use Friendica\Database\DBM;
+use Friendica\Util\ExAuth;
 
-if (sizeof($_SERVER["argv"]) == 0)
+if (sizeof($_SERVER["argv"]) == 0) {
 	die();
+}
 
 $directory = dirname($_SERVER["argv"][0]);
 
-if (substr($directory, 0, 1) != "/")
-	$directory = $_SERVER["PWD"]."/".$directory;
+if (substr($directory, 0, 1) != DIRECTORY_SEPARATOR) {
+	$directory = $_SERVER["PWD"] . DIRECTORY_SEPARATOR . $directory;
+}
 
-$directory = realpath($directory."/..");
+$directory = realpath($directory . DIRECTORY_SEPARATOR . "..");
 
 chdir($directory);
 
@@ -53,259 +54,10 @@ require_once "include/dba.php";
 
 $a = new App(dirname(__DIR__));
 
-@include(".htconfig.php");
+@include ".htconfig.php";
 dba::connect($db_host, $db_user, $db_pass, $db_data);
 unset($db_host, $db_user, $db_pass, $db_data);
 
-$oAuth = new exAuth();
-
-class exAuth {
-	private $bDebug;
-
-	/**
-	 * @brief Create the class and do the authentification studd
-	 *
-	 * @param boolean $bDebug Debug mode
-	 */
-	public function __construct() {
-		// setter
-		$this->bDebug = (int)Config::get('jabber', 'debug');
-
-
-		openlog('auth_ejabberd', LOG_PID, LOG_USER);
-
-		$this->writeLog(LOG_NOTICE, "start");
-
-		// We are connected to the SQL server.
-		while (!feof(STDIN)) {
-			// Quit if the database connection went down
-			if (!dba::connected()) {
-				$this->writeLog(LOG_ERR, "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->writeLog(LOG_ERR, "we got no data, quitting");
-				return;
-			}
-
-			// Fetching the data
-			$sData = fgets(STDIN, $iLength + 1);
-			$this->writeLog(LOG_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":
-						// Check if the givven password is correct
-						$this->auth($aCommand);
-						break;
-					case "setpass":
-						// We don't accept the setting of passwords here
-						$this->writeLog(LOG_NOTICE, "setpass command disabled");
-						fwrite(STDOUT, pack("nn", 2, 0));
-						break;
-					default:
-						// We don't know the given command
-						$this->writeLog(LOG_NOTICE, "unknown command ". $aCommand[0]);
-						fwrite(STDOUT, pack("nn", 2, 0));
-						break;
-				}
-			} else {
-				$this->writeLog(LOG_NOTICE, "invalid command string ".$sData);
-				fwrite(STDOUT, pack("nn", 2, 0));
-			}
-		}
-	}
-
-	/**
-	 * @brief Check if the given username exists
-	 *
-	 * @param array $aCommand The command array
-	 */
-	private function isuser($aCommand) {
-		$a = get_app();
-
-		// Check if there is a username
-		if (!isset($aCommand[1])) {
-			$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(" ", "@"), $aCommand[1]);
-
-		// Does the hostname match? So we try directly
-		if ($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->writeLog(LOG_DEBUG, "using query ". $sQuery);
-			$r = q($sQuery);
-			$found = DBM::is_result($r);
-		} else {
-			$found = false;
-		}
-
-		// If the hostnames doesn't match or there is some failure, we try to check remotely
-		if (!$found) {
-			$found = $this->check_user($aCommand[2], $aCommand[1], true);
-		}
-
-		if ($found) {
-			// The user is okay
-			$this->writeLog(LOG_NOTICE, "valid user: ". $sUser);
-			fwrite(STDOUT, pack("nn", 2, 1));
-		} else {
-			// The user isn't okay
-			$this->writeLog(LOG_WARNING, "invalid user: ". $sUser);
-			fwrite(STDOUT, pack("nn", 2, 0));
-		}
-	}
-
-	/**
-	 * @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) {
-
-		$this->writeLog(LOG_INFO, "external user check for ".$user."@".$host);
-
-		$url = ($ssl ? "https":"http")."://".$host."/noscrape/".$user;
+$oAuth = new ExAuth();
 
-		$data = z_fetch_url($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 array $aCommand The command array
-	 */
-	private function auth($aCommand) {
-		$a = get_app();
-
-		// check user authentication
-		if (sizeof($aCommand) != 4) {
-			$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(" ", "@"), $aCommand[1]);
-
-		// Does the hostname match? So we try directly
-		if ($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->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(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));
-				$this->writeLog(LOG_INFO, "check against alternate password for ".$sUser."@".$aCommand[2]);
-				$Error = ($aCommand[3] != $oConfig[0]["v"]);
-			}
-		} else {
-			$Error = true;
-		}
-
-		// If the hostnames doesn't match or there is some failure, we try to check remotely
-		if ($Error) {
-			$Error = !$this->check_credentials($aCommand[2], $aCommand[1], $aCommand[3], true);
-		}
-
-		if ($Error) {
-			$this->writeLog(LOG_WARNING, "authentification failed for user ".$sUser."@". $aCommand[2]);
-			fwrite(STDOUT, pack("nn", 2, 0));
-		} else {
-			$this->writeLog(LOG_NOTICE, "authentificated user ".$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) {
-		$url = ($ssl ? "https":"http")."://".$host."/api/account/verify_credentials.json";
-
-		$ch = curl_init();
-		curl_setopt($ch, CURLOPT_URL, $url);
-		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
-		curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
-		curl_setopt($ch, CURLOPT_HEADER, true);
-		curl_setopt($ch, CURLOPT_NOBODY, true);
-		curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
-		curl_setopt($ch, CURLOPT_USERPWD, $user.':'.$password);
-
-		$header = curl_exec($ch);
-		$curl_info = @curl_getinfo($ch);
-		$http_code = $curl_info["http_code"];
-		curl_close($ch);
-
-		$this->writeLog(LOG_INFO, "external auth for ".$user."@".$host." returned ".$http_code);
-
-		return ($http_code == 200);
-	}
-
-	/**
-	 * @brief write data to the syslog
-	 *
-	 * @param integer $loglevel The syslog loglevel
-	 * @param string $sMessage The syslog message
-	 */
-	private function writeLog($loglevel, $sMessage) {
-		if (!$this->bDebug && ($loglevel >= LOG_DEBUG)) {
-			return;
-		}
-		syslog($loglevel, $sMessage);
-	}
-
-	/**
-	 * @brief destroy the class, close the syslog connection.
-	 */
-	public function __destruct() {
-		$this->writeLog(LOG_NOTICE, "stop");
-		closelog();
-	}
-}
+$oAuth->readStdin();