Resolve "Increase readability of Proxy URLs"

Closes #22 (closed)

app/HtmlDocument.php

@@ -10,7 +10,7 @@ class HtmlDocument extends Document
     private $htmlString;
     private $encoding;
 
-    public function __construct($password, $baseUrl, $htmlString, $encoding)
+    public function __construct($password, $baseUrl, $htmlString, $encoding = null)
     {
         parent::__construct($password, $baseUrl);
         $this->htmlString = $this->convertEncoding($htmlString, $encoding);
@@ -179,6 +179,9 @@ class HtmlDocument extends Document
             # Convert all Links to the proxified Version
             # All of this Links should NOT target to the top Level
             $link->setAttribute("href", $this->proxifyUrl($link->getAttribute("href"), false));
+            // We will proxify any File that is linked here which changes its content
+            // Integrity will therefor fail and as we do not know the correct content yet it needs to be removed
+            $link->removeAttribute("integrity");
         }
 
         # All Iframes