Firebase Push notification integration for the official client

CHANGELOG.md

@@ -37,6 +37,7 @@ v0.19 (trunk)
  * TLS encryption enabling is non blocking during connection
  * Send the Presence a bit earlier on login
  * Add a "copy to clipboard" button in Preview
+ * Firebase Push notification integration for the official client
 
 v0.18
 ---------------------------

app/Configuration.php

@@ -12,6 +12,7 @@ class Configuration extends Model
 
     public $fillable = [
         'description',
+        'firebaseauthorizationkey',
         'info',
         'unregister',
         'gifapikey',

app/helpers/UtilsHelper.php

@@ -606,7 +606,7 @@ define('DEFAULT_HTTP_USER_AGENT', 'Mozilla/5.0 (compatible; Googlebot/2.1; +http
 /*
  * @desc Request a simple url
  */
-function requestURL(string $url, int $timeout = 10, $post = false, bool $json = false)
+function requestURL(string $url, int $timeout = 10, $post = false, bool $json = false, array $headers = [])
 {
     $ch = curl_init($url);
 
@@ -618,10 +618,12 @@ function requestURL(string $url, int $timeout = 10, $post = false, bool $json =
     curl_setopt($ch, CURLOPT_USERAGENT, DEFAULT_HTTP_USER_AGENT);
 
     if ($json) {
-        curl_setopt($ch, CURLOPT_HTTPHEADER, ['Accept: application/json']);
+        array_push($headers, 'Accept: application/json');
     }
 
-    if (is_array($post)) {
+    curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
+
+    if ($post) {
         curl_setopt($ch, CURLOPT_POST, 1);
         curl_setopt($ch, CURLOPT_POSTFIELDS, $post);
     }

app/widgets/AdminMain/adminmain.tpl

@@ -181,6 +181,32 @@
         </li>
     </ul>
 
+    <h3>{$c->__('firebase.title')}</h3>
+
+    <div>
+        <textarea type="text" name="firebaseauthorizationkey" id="firebaseauthorizationkey"
+            placeholder="FirebaseKey"
+            onclick="MovimUtils.textareaAutoheight(this);"
+            oninput="MovimUtils.textareaAutoheight(this);"/>{$conf->firebaseauthorizationkey}</textarea>
+        <label for="info">{$c->__('firebase.label')}</label>
+    </div>
+
+    <ul class="list thick">
+        <li>
+            <span class="primary icon bubble color blue">
+                <i class="material-icons">notifications_active</i>
+            </span>
+            <div>
+                <p>{$c->__('firebase.info1')}</p>
+                <p>
+                    <a href="https://console.firebase.google.com/" target="_blank">
+                        {$c->__('firebase.info2')}
+                    </a>
+                </p>
+            </div>
+        </li>
+    </ul>
+
     <br />
     <h3>{$c->__('credentials.title')}</h3>
 

app/widgets/AdminMain/locales.ini

@@ -47,6 +47,12 @@ label       = Yout Tenor API Key
 info1       = Movim integrates the Tenor API to allow GIF search and publication in Chat
 info2       = Access Tenor and get your API key
 
+[firebase]
+title       = Firebase Integration
+label       = Your Firebase Authorization Key
+info1       = Movim can send Push Notifications to the Movim Android app using Firebase
+info2       = Go to the Firebase panel to configure and generate your Authorization key
+
 [log]
 empty               = Empty
 syslog              = Syslog

app/widgets/Notification/Notification.php

@@ -1,9 +1,12 @@
 <?php
 
+use Movim\Firebase;
 use Movim\Widget\Base;
 use Movim\RPC;
 use Movim\Session;
 
+use App\Configuration;
+
 class Notification extends Base
 {
     public static $rpcCall = null;
@@ -75,7 +78,23 @@ class Notification extends Base
             if ($group != null) {
                 $action = $group;
             }
-            RPC::call('Notification.android', $title, $body, $picture, $action);
+
+            $s = new Session;
+            $firebaseToken = $s->get('firebasetoken');
+
+            // We have Firebase enabled
+            if ($firebaseToken) {
+                $configuration = Configuration::get();
+                $firebaseKey = $configuration->firebaseauthorizationkey;
+
+                if ($firebaseKey) {
+                    $fb = new Firebase($firebaseKey, $firebaseToken);
+                    $fb->notify($title, $body, $picture, $action);
+                }
+            } else {
+                // We try to deliver it trough the WebSocket
+                RPC::call('Notification.android', $title, $body, $picture, $action);
+            }
         }
 
         if (array_key_exists($first, $notifs)) {

app/widgets/Presence/Presence.php

@@ -12,6 +12,7 @@ use Moxl\Xec\Action\PubsubSubscription\Get as GetPubsubSubscriptions;
 use Moxl\Stanza\Stream;
 
 use Movim\Daemon\Session;
+use Movim\Session as MovimSession;
 
 class Presence extends Base
 {
@@ -67,6 +68,12 @@ class Presence extends Base
         $this->onSessionUp();
     }
 
+    public function ajaxSetFireBaseToken(string $token)
+    {
+        $s = new MovimSession;
+        $s->set('firebasetoken', $token);
+    }
+
     public function ajaxAskLogout()
     {
         $view = $this->tpl();

src/Movim/Firebase.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Movim;
+
+class Firebase
+{
+    private $_key;
+    private $_token;
+
+    public function __construct(string $key, string $token)
+    {
+        $this->_key = $key;
+        $this->_token = $token;
+    }
+
+    public function notify(string $title, string $body = null, string $image = null, string $action = null)
+    {
+        $headers = ['Authorization:key='.$this->_key,'Content-Type:application/json'];
+
+        $fields = [
+            'to' => $this->_token,
+            'data' => [
+                'title' => $title,
+                'body' => $body,
+                'image' => $image,
+                'action' => $action
+            ]
+        ];
+
+        var_dump(requestURL('https://fcm.googleapis.com/fcm/send', 10, json_encode($fields), true, $headers));
+    }
+}