Enable using authentication for minion clients.

Only wampcra is available for now.

fixes Vinelab#3

README.md

@@ -33,10 +33,24 @@ Configure the connection parameters you want your client to use when it connects
 ### Router
 
 ```php
-$m = new Minion():
+$m = new Minion();
 $m->run(['realm' => 'myrealm', 'host' => 'some.host.ws', 'port' => 8182]);
 ```
 
+### Authentication
+A basic wampcra authenticator for minion can be enabled by adding the configuration for authentication.
+
+```php
+$m = new Minion();
+$m->run([
+    'realm' => 'secretrealm',
+    'auth' => [
+        'authid' => 'minion',
+        'secret' => 'ultrasecretkey'
+    ]
+]);
+```
+
 ### Provider Registration
 
 ```php
@@ -67,6 +81,7 @@ $m->run(
 );
 ```
 
+### Loop
 In existing applications it may be useful to be re-use an existing ReactPHP loop. You can pass in a LoopInterface like so:
 
 ```php

src/Vinelab/Minion/Minion.php

@@ -4,6 +4,7 @@
 
 use Closure;
 use Thruway\Transport\PawlTransportProvider;
+use Thruway\Authentication\ClientWampCraAuthenticator;
 use React\EventLoop\LoopInterface;
 
 /**
@@ -79,6 +80,13 @@ public function run($options = [], LoopInterface $loop = null)
         $client = $this->newClient($loop);
         $client->addTransportProvider($this->newTransportProvider());
 
+        $auth = $this->getConfig('auth');
+        if (!empty($auth)) {
+            $client->addClientAuthenticator(
+                $this->newAuthenticator($auth['authid'], $auth['secret'])
+            );
+        }
+
         return $client->start($this->getConfig('debug'));
     }
 
@@ -104,6 +112,19 @@ public function newTransportProvider()
         return new PawlTransportProvider($this->transportUrl());
     }
 
+    /**
+     * Get a new wampcra authenticator instance.
+     * 
+     * @param string $authid
+     * @param string $secret
+     * 
+     * @return \Thruway\Authentication\ClientWampCraAuthenticator
+     */
+    public function newAthenticator($authid, $secret)
+    {
+        return new ClientWampCraAuthenticator($authid, $secret);
+    }
+
     /**
      * Get the transport URL that provider should connect to.
      *