Make Guacamole Enhanced app (#739)

Author: Albin Médoc

Guacamole/Guacamole.php

@@ -2,6 +2,101 @@
 
 namespace App\SupportedApps\Guacamole;
 
-class Guacamole extends \App\SupportedApps
+class Guacamole extends \App\SupportedApps implements \App\EnhancedApps
 {
+    public $config;
+
+    //protected $login_first = true; // Uncomment if api requests need to be authed first
+    //protected $method = 'POST';  // Uncomment if requests to the API should be set by POST
+
+    public function __construct()
+    {
+        //$this->jar = new \GuzzleHttp\Cookie\CookieJar; // Uncomment if cookies need to be set
+    }
+
+    private function getConfigValue($key, $default = null)
+    {
+        return isset($this->config) && isset($this->config->$key)
+            ? $this->config->$key
+            : $default;
+    }
+
+    private function getToken()
+    {
+        $username = urlencode($this->config->username);
+        $password = urlencode($this->config->password);
+
+        $attrs = [
+            "body" => "username=" . $username . "&password=" . $password,
+            "headers" => [
+                "Content-Type" => "application/x-www-form-urlencoded"
+            ],
+        ];
+
+        $res = parent::execute($this->url("api/tokens"), $attrs, null, "POST");
+
+        switch ($res->getStatusCode()) {
+            case 200:
+                $details = json_decode($res->getBody());
+                return $details->authToken;
+            case 400:
+                throw new \Exception("Invalid username format");
+            case 401:
+            case 403:
+                throw new \Exception("Invalid username/password");
+            default:
+                throw new \Exception("Could not connect to Guacamole");
+        }
+    }
+
+    private function getConnections($token)
+    {
+        $dataSource = $this->getConfigValue('dataSource', 'postgresql');
+
+        $url = $this->url("api/session/data/" . $dataSource . "/connections?token=" . $token);
+        $res = parent::execute($url);
+        if ($res->getStatusCode() == 404) {
+            throw new \Exception("Invalid data source " . $token);
+        }
+
+        return json_decode($res->getBody());
+    }
+
+    public function test()
+    {
+        try {
+            $token = $this->getToken();
+            $this->getConnections($token);
+            echo "Successfully communicated with the API";
+        } catch (Exception $err) {
+            echo $err->getMessage();
+        }
+    }
+
+    public function livestats()
+    {
+        $status = "inactive";
+
+        $token = $this->getToken();
+        $details = $this->getConnections($token);
+
+        $data = [];
+        if ($details != null) {
+            $activeConnections = 0;
+            foreach ($details as $item) {
+                $activeConnections += $item->activeConnections;
+            }
+
+            $data["connections"] = count((array)$details);
+            $data["active_connections"] = $activeConnections;
+        }
+        return parent::getLiveStats($status, $data);
+    }
+
+    public function url($endpoint)
+    {
+        $api_url = parent::normaliseurl($this->config->url) . $endpoint;
+
+        return $api_url;
+    }
 }

Guacamole/app.json

@@ -4,7 +4,7 @@
   "website": "https://guacamole.apache.org",
   "license": "Apache License 2.0",
   "description": "Apache Guacamole is a clientless remote desktop gateway. It supports standard protocols like VNC, RDP, and SSH.",
-  "enhanced": false,
+  "enhanced": true,
   "tile_background": "dark",
   "icon": "guacamole.png"
 }

Guacamole/config.blade.php

@@ -0,0 +1,28 @@
+<h2>{{ __('app.apps.config') }} ({{ __('app.optional') }}) @include('items.enable')</h2>
+<div class="items" style="flex-direction:column">
+    <div style="display:flex;flex-direction:row;">
+        <div class="input">
+            <label>{{ strtoupper(__('app.url')) }}</label>
+            {!! Form::text('config[override_url]', isset($item) ? $item->getconfig()->override_url : null, ['placeholder' => __('app.apps.override'), 'id' => 'override_url', 'class' => 'form-control']) !!}
+        </div>
+    </div>
+    <div style="display:flex;flex-direction:row;">
+        <div class="input">
+            <label>{{ __('app.apps.username') }}</label>
+            {!! Form::text('config[username]', isset($item) ? $item->getconfig()->username : null, ['placeholder' => __('app.apps.username'), 'data-config' => 'username', 'class' => 'form-control config-item']) !!}
+        </div>
+        <div class="input">
+            <label>{{ __('app.apps.password') }}</label>
+            {!! Form::input('password', 'config[password]', '', ['placeholder' => __('app.apps.password'), 'data-config' => 'password', 'class' => 'form-control config-item']) !!}
+        </div>
+    </div>
+    <div style="display:flex;flex-direction:row;">
+        <div class="input">
+            <label>Data source</label>
+            {!! Form::text('config[dataSource]', isset($item) ? $item->getconfig()->dataSource : null, ['placeholder' => __('Default: postgresql'), 'data-config' => 'dataSource', 'class' => 'form-control config-item']) !!}
+        </div>
+        <div class="input">
+            <button style="margin-top: 32px;" class="btn test" id="test_config">Test</button>
+        </div>
+    </div>
+</div>

Guacamole/livestats.blade.php

@@ -0,0 +1,10 @@
+<ul class="livestats">
+    <li>
+        <span class="title">Connections</span>
+        <strong>{!! $connections !!}</strong>
+    </li>
+    <li>
+        <span class="title">Active</span>
+        <strong>{!! $active_connections !!}</strong>
+    </li>
+</ul>