From 19881bd41fafcf4c2bcb3e27a47ed7f9783b5d8f Mon Sep 17 00:00:00 2001
From: David Bomba <turbo124@gmail.com>
Date: Mon, 6 Nov 2017 20:58:53 +1100
Subject: [PATCH] Cloudflare DNS Zone Updates (#1733)

* Add subdomain to cloudflare

* Fire subdomain event when saving client portal settings

* Refactor to include zones

* JSON decode to array

* Proxy requests
---
 .env.example                               |  6 +++
 app/Events/SubdomainWasUpdated.php         | 21 +++++++++
 app/Http/Controllers/AccountController.php |  6 +++
 app/Listeners/DNSListener.php              | 22 ++++++++++
 app/Ninja/DNS/Cloudflare.php               | 50 ++++++++++++++++++++++
 app/Providers/EventServiceProvider.php     |  5 +++
 6 files changed, 110 insertions(+)
 create mode 100644 app/Events/SubdomainWasUpdated.php
 create mode 100644 app/Listeners/DNSListener.php
 create mode 100644 app/Ninja/DNS/Cloudflare.php

diff --git a/.env.example b/.env.example
index 36f8816f87..067a355aa2 100644
--- a/.env.example
+++ b/.env.example
@@ -99,3 +99,9 @@ WEPAY_THEME='{"name":"Invoice Ninja","primary_color":"0b4d78","secondary_color":
 
 BLUEVINE_PARTNER_UNIQUE_ID=
 BLUEVINE_PARTNER_TOKEN=
+
+CLOUDFLARE_DNS_ENABLED=false
+CLOUDFLARE_API_KEY=
+CLOUDFLARE_EMAIL=
+CLOUDFLARE_TARGET_IP_ADDRESS=
+CLOUDFLARE_ZONE_IDS={}
\ No newline at end of file
diff --git a/app/Events/SubdomainWasUpdated.php b/app/Events/SubdomainWasUpdated.php
new file mode 100644
index 0000000000..a576daeb9e
--- /dev/null
+++ b/app/Events/SubdomainWasUpdated.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace App\Events;
+
+use Illuminate\Queue\SerializesModels;
+
+class SubdomainWasUpdated extends Event
+{
+    use SerializesModels;
+    public $account;
+
+    /**
+     * Create a new event instance.
+     *
+     * @param $account
+     */
+    public function __construct($account)
+    {
+        $this->account = $account;
+    }
+}
diff --git a/app/Http/Controllers/AccountController.php b/app/Http/Controllers/AccountController.php
index 04d3e57d01..f41b9e4cad 100644
--- a/app/Http/Controllers/AccountController.php
+++ b/app/Http/Controllers/AccountController.php
@@ -2,6 +2,7 @@
 
 namespace App\Http\Controllers;
 
+use App\Events\SubdomainWasUpdated;
 use App\Events\UserSettingsChanged;
 use App\Events\UserSignedUp;
 use App\Http\Requests\SaveClientPortalSettings;
@@ -768,7 +769,12 @@ class AccountController extends BaseController
      */
     public function saveClientPortalSettings(SaveClientPortalSettings $request)
     {
+
         $account = $request->user()->account;
+
+        if($account->subdomain !== $request->subdomain)
+            event(new SubdomainWasUpdated($account));
+
         $account->fill($request->all());
         $account->client_view_css = $request->client_view_css;
 		$account->subdomain = $request->subdomain;
diff --git a/app/Listeners/DNSListener.php b/app/Listeners/DNSListener.php
new file mode 100644
index 0000000000..83d6253a74
--- /dev/null
+++ b/app/Listeners/DNSListener.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace App\Listeners;
+
+use App\Events\SubdomainWasUpdated;
+use App\Ninja\DNS\Cloudflare;
+
+/**
+ * Class DNSListener.
+ */
+class DNSListener
+{
+    /**
+     * @param DNSListener $event
+     */
+
+    public function addDNSRecord(SubdomainWasUpdated $event)
+    {
+        if(env("CLOUDFLARE_DNS_ENABLED"))
+            Cloudflare::addDNSRecord($event->account);
+    }
+}
diff --git a/app/Ninja/DNS/Cloudflare.php b/app/Ninja/DNS/Cloudflare.php
new file mode 100644
index 0000000000..56b7bea192
--- /dev/null
+++ b/app/Ninja/DNS/Cloudflare.php
@@ -0,0 +1,50 @@
+<?php
+
+namespace App\Ninja\DNS;
+
+use App\Libraries\Utils;
+use App\Models\Account;
+
+class Cloudflare
+{
+
+    public static function addDNSRecord(Account $account){
+
+        $zones = json_decode(env('CLOUDFLARE_ZONE_IDS',''), true);
+
+        foreach($zones as $zone)
+        {
+
+            $curl = curl_init();
+            $jsonEncodedData = json_encode(['type'=>'A', 'name'=>$account->subdomain, 'content'=>env('CLOUDFLARE_TARGET_IP_ADDRESS',''),'proxied'=>true]);
+
+            $opts = [
+                CURLOPT_URL => 'https://api.cloudflare.com/client/v4/zones/'.$zone.'/dns_records',
+                CURLOPT_RETURNTRANSFER => true,
+                CURLOPT_CUSTOMREQUEST => 'POST',
+                CURLOPT_POST => 1,
+                CURLOPT_POSTFIELDS => $jsonEncodedData,
+                CURLOPT_HTTPHEADER => [ 'Content-Type: application/json',
+                    'Content-Length: '.strlen($jsonEncodedData),
+                    'X-Auth-Email: '.env('CLOUDFLARE_EMAIL', ''),
+                    'X-Auth-Key: '.env('CLOUDFLARE_API_KEY', '')
+                ],
+            ];
+
+            curl_setopt_array($curl, $opts);
+
+            $result = curl_exec($curl);
+            $status = curl_getinfo($curl, CURLINFO_HTTP_CODE);
+
+            curl_close($curl);
+
+            if ($status != 200)
+                Utils::logError('unable to update subdomain ' . $account->subdomain . ' @ Cloudflare - '.$result);
+
+        }
+
+
+    }
+
+
+}
\ No newline at end of file
diff --git a/app/Providers/EventServiceProvider.php b/app/Providers/EventServiceProvider.php
index ab581e3f79..ecde08cd35 100644
--- a/app/Providers/EventServiceProvider.php
+++ b/app/Providers/EventServiceProvider.php
@@ -200,6 +200,11 @@ class EventServiceProvider extends ServiceProvider
 
         'Illuminate\Queue\Events\JobExceptionOccurred' => [
             'App\Listeners\InvoiceListener@jobFailed'
+        ],
+
+        //DNS
+        'App\Events\SubdomainWasUpdated' => [
+            'App\Listeners\DNSListener@addDNSRecord'
         ]
 
         /*