added ngrok class

includes/facades.php

@@ -33,5 +33,6 @@ class CommandLine extends Facade {}
 class Configuration extends Facade {}
 class DnsMasq extends Facade {}
 class Filesystem extends Facade {}
+class Ngrok extends Facade {}
 class PhpFpm extends Facade {}
 class Site extends Facade {}

src/Ngrok.php

@@ -0,0 +1,47 @@
+<?php
+
+namespace Valet;
+
+use Httpful\Request;
+use DomainException;
+
+class Ngrok
+{
+    public $tunnelsEndpoint = 'http://127.0.0.1:4040/api/tunnels';
+
+    /**
+     * Get the current tunnel URL from the Ngrok API.
+     *
+     * @return string
+     */
+    public function currentTunnelUrl()
+    {
+        return retry(20, function () {
+            $body = Request::get($this->tunnelsEndpoint)->send()->body;
+
+            // If there are active tunnels on the Ngrok instance we will spin through them and
+            // find the one responding on HTTP. Each tunnel has an HTTP and a HTTPS address
+            // but for local testing purposes we just desire the plain HTTP URL endpoint.
+            if (isset($body->tunnels) && count($body->tunnels) > 0) {
+                return $this->findHttpTunnelUrl($body->tunnels);
+            } else {
+                throw new DomainException("Tunnel not established.");
+            }
+        }, 250);
+    }
+
+    /**
+     * Find the HTTP tunnel URL from the list of tunnels.
+     *
+     * @param  array  $tunnels
+     * @return string|null
+     */
+    public function findHttpTunnelUrl(array $tunnels)
+    {
+        foreach ($tunnels as $tunnel) {
+            if ($tunnel->proto == 'http') {
+                return $tunnel->public_url;
+            }
+        }
+    }
+}

valet.php

@@ -14,6 +14,7 @@
 use Valet\Facades\Brew;
 use Valet\Facades\Site;
 use Valet\Facades\Caddy;
+use Valet\Facades\Ngrok;
 use Valet\Facades\PhpFpm;
 use Valet\Facades\DnsMasq;
 use Valet\Facades\Filesystem;
@@ -164,21 +165,7 @@
  * Echo the currently tunneled URL.
  */
 $app->command('fetch-share-url', function () {
-    retry(20, function () {
-        $response = Httpful\Request::get('http://127.0.0.1:4040/api/tunnels')->send();
-
-        $body = $response->body;
-
-        if (isset($body->tunnels) && count($body->tunnels) > 0) {
-            foreach ($body->tunnels as $tunnel) {
-                if ($tunnel->proto == 'http') {
-                    return output($tunnel->public_url);
-                }
-            }
-        }
-
-        throw new Exception("Tunnel not established.");
-    }, 250);
+    output(Ngrok::currentTunnelUrl());
 });
 
 /**