Add GNS3 enhanced app (#647)

* Added template for enhanced app.
* Enhanced app implementation for GNS3.
* Minified png image.

GNS3/GNS3.php

@@ -0,0 +1,51 @@
+<?php namespace App\SupportedApps\GNS3;
+
+class GNS3 extends \App\SupportedApps implements \App\EnhancedApps {
+
+    public $config;
+
+    //protected $login_first = true; // Uncomment if api requests need to be authed first
+    //protected $method = 'POST';  // Uncomment if requests to the API should be set by POST
+
+    function __construct() {
+        //$this->jar = new \GuzzleHttp\Cookie\CookieJar; // Uncomment if cookies need to be set
+    }
+
+    public function test()
+    {
+        $test = parent::appTest($this->url('/v2/version'), ['auth' => [$this->config->username, $this->config->password]]);
+        $details = json_decode($test->response);
+        if ($details && isset($details->version)) {
+            echo $test->status . "\nServer version: " . $details->version;
+        } else {
+            echo $test->status;
+        }
+    }
+
+    public function livestats()
+    {
+        $status = 'inactive';
+        $res = parent::execute($this->url('/v2/projects'), ['auth' => [$this->config->username, $this->config->password]]);
+        $details = json_decode($res->getBody());
+
+        $data = [];
+        $data["opened"] = 0;
+        $data["closed"] = 0;
+
+        foreach ($details as $project) {
+            if ($project->status == "opened") {
+                $data["opened"]++;
+            } else {
+                $data["closed"]++;
+            }
+        }
+
+        return parent::getLiveStats($status, $data);
+
+    }
+    public function url($endpoint)
+    {
+        $api_url = parent::normaliseurl($this->config->url, false).$endpoint;
+        return $api_url;
+    }
+}

GNS3/app.json

@@ -0,0 +1,10 @@
+{
+    "appid": "95493920561b1c745f4f6eafb1572a1e17c26cc9",
+    "name": "GNS3",
+    "website": "https://www.gns3.com/",
+    "license": "GNU General Public License v3.0 or later",
+    "description": "Build, Design and Test your network in a risk-free virtual environment and access the largest networking community to help. Whether you are studying for your first networking exam or building out a state-wide telecommunications network, GNS3 offers an easy way to design and build networks of any size without the need for hardware. And the best part is it's free!",
+    "enhanced": true,
+    "tile_background": "dark",
+    "icon": "gns3.png"
+}

GNS3/config.blade.php

@@ -0,0 +1,19 @@
+<h2>{{ __('app.apps.config') }} ({{ __('app.optional') }}) @include('items.enable')</h2>
+<div class="items">
+    <div class="input">
+        <label>{{ strtoupper(__('app.url')) }}</label>
+        {!! Form::text('config[override_url]', isset($item) ? $item->getconfig()->override_url : null, array('placeholder' => __('app.apps.override'), 'id' => 'override_url', 'class' => 'form-control')) !!}
+    </div>
+    <div class="input">
+        <label>{{ __('app.apps.username') }}</label>
+        {!! Form::text('config[username]', isset($item) ? $item->getconfig()->username : null, array('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 class="input">
+        <button style="margin-top: 32px;" class="btn test" id="test_config">Test</button>
+    </div>
+</div>
+

GNS3/livestats.blade.php

@@ -0,0 +1,10 @@
+<ul class="livestats">
+    <li>
+        <span class="title">Opened</span>
+        <strong>{!! $opened !!}</strong>
+    </li>
+    <li>
+        <span class="title">Closed</span>
+        <strong>{!! $closed !!}</strong>
+    </li>
+</ul>