Adds support for optional secret to sign urls or not

Author: baboons

src/UrlBuilder.php

@@ -18,7 +18,7 @@ final class UrlBuilder
 
     private $params = [];
 
-    public function __construct($domain, $secret)
+    public function __construct($domain, $secret = null)
     {
         $this->domain = $domain;
         $this->secret = $secret;

src/UrlHelper.php

@@ -14,7 +14,7 @@ final class UrlHelper
     private $params;
     private $secret;
 
-    public function __construct($path, $params, $secret)
+    public function __construct($path, $params, $secret = null)
     {
         $this->path = $path;
         $this->params = $params;
@@ -29,8 +29,11 @@ private function getQuery()
             $query .= '?' . http_build_query($this->params);
         }
 
+        $signed = "s=" . md5($this->secret . $query);
 
-        return $query . (count($this->params) > 0 ? '&' : '?') . "s=" . md5($this->secret . $query);
+
+
+        return $query .  (empty($this->secret) ? "" : (count($this->params) > 0 ? '&' : '?') . $signed);
     }
 
     public function __toString()

tests/src/UrlTest.php

@@ -47,5 +47,20 @@ public function testUrlWithOptions()
         $this->assertEquals($expected, $url);
     }
 
+    public function testUnsignedURL()
+    {
+
+        $urlBuilder = $this->urlBuilder = new UrlBuilder('image.barnebys.sh');
+        $urlBuilder
+                ->setHeight(200)
+                ->setWidth(200)
+                ->setPath('https://dummyimage.com/600x400/000/fff');
+
+
+        $url = $urlBuilder->createURL();
+        $expected = 'https://image.barnebys.sh/https%3A%2F%2Fdummyimage.com%2F600x400%2F000%2Ffff?h=200&w=200';
+
+        $this->assertEquals($expected, $url);
+    }
 
 }