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<?php
/**
* Runs constantly and takes requests from an input stream
* as specified in the ejabberd auth protocol.
*/
class EjabberdAuth {
var $running;
function __construct($config, EjabberdAuthBridge $bridge) {
$this->bridge = $bridge;
$this->bridge->parent = $this;
if (!empty($config['log_path']) && is_dir($config['log_path']) && is_writable($config['log_path'])) {
$this->logfile = fopen($config['log_path'] . 'activity-' . date('Y-m-d') . '.log', 'a');
}
else {
$this->logfile = STDERR;
}
$this->log('Starting...');
$this->running = TRUE;
}
function stop() {
$this->log("Stopping...");
$this->running = FALSE;
}
function run() {
while ($this->running) {
$data = $this->read();
if ($data) {
$result = $this->execute($data);
$this->write((int)$result);
}
}
$this->log("Stopped");
}
function read() {
$input = fread(STDIN, 2);
if (!$input) {
return $this->stop();
}
$input = unpack('n', $input);
$length = $input[1];
if($length > 0) {
$this->log("Reading $length bytes...");
$data = fread(STDIN, $length);
return $data;
}
}
function write($data) {
$this->log("OUT: $data");
fwrite(STDOUT, pack("nn", 2, $data));
}
function log($data) {
fwrite($this->logfile, sprintf("%s [%d] - %s\n", date('Y-m-d H:i:s'), getmypid(), $data));
}
function execute($data) {
$args = explode(':', $data);
$command = array_shift($args);
// Only log the username for security.
$this->log("Executing $command on {$args[0]}");
switch ($command) {
case 'isuser':
list($username, $server) = $args;
return $this->bridge->isuser($username, $server);
case 'auth':
list($username, $server, $password) = $args;
return $this->bridge->auth($username, $server, $password);
case 'setpass':
list($username, $server, $password) = $args;
return $this->bridge->setpass($username, $server, $password);
case 'tryregister':
list($username, $server, $password) = $args;
return $this->bridge->tryregister($username, $server, $password);
case 'removeuser':
list($username, $server) = $args;
return $this->bridge->removeuser($username, $server);
case 'removeuser3':
list($username, $server, $password) = $args;
return $this->bridge->auth($username, $server, $password) && $this->bridge->removeuser($username, $password);
default:
$this->stop();
}
}
}
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