Move max body size validation to after the gzip->base64 conversion

Author: jotto

lib/OriginRequestInterface.js

@@ -55,23 +55,26 @@ module.exports = class OriginRequestInterface {
         this.headers[key] = val;
       },
       end: body => {
-        if (body && body.length >= 255000) {
-          console.log("bailing out because size is over 256kb");
-          return next();
-        }
-
         const res = {
           status: this.status,
           statusDescription: "OK",
           headers: this.headers,
           body: body
         };
 
-        if (this.originalHeaders["content-encoding"] && this.originalHeaders["content-encoding"].match(/gzip/)) {
+        if (
+          this.originalHeaders["content-encoding"] &&
+          this.originalHeaders["content-encoding"].match(/gzip/)
+        ) {
           res.body = res.body.toString("base64");
           res.bodyEncoding = "base64";
         }
 
+        if (body && body.length >= 255000) {
+          console.log("bailing out because size is over 256kb");
+          return next();
+        }
+
         return this.callback(null, res);
       },
       writeHead: (_status, _headers) => {