From 281a2d7f200a90a19062e4ea83ce9007c239e9cb Mon Sep 17 00:00:00 2001
From: Kyle Gray <kgray1497@gmail.com>
Date: Thu, 31 Oct 2019 15:59:26 -0400
Subject: [PATCH] fix(workflow): fixed bug with proxy middleware json not
 updating content length

---
 packages/workflow/package.json     |  1 -
 packages/workflow/scripts/proxy.js | 36 ++++++++++++++++--------------
 yarn.lock                          | 15 +------------
 3 files changed, 20 insertions(+), 32 deletions(-)

diff --git a/packages/workflow/package.json b/packages/workflow/package.json
index 8c78ddb6..d623f33d 100644
--- a/packages/workflow/package.json
+++ b/packages/workflow/package.json
@@ -71,7 +71,6 @@
     "lodash.trimstart": "^4.5.1",
     "mini-css-extract-plugin": "^0.8.0",
     "moment": "^2.21.0",
-    "node-http-proxy-json": "^0.1.3",
     "node-sass": "^4.8.3",
     "open": "^6.4.0",
     "optimize-css-assets-webpack-plugin": "^5.0.1",
diff --git a/packages/workflow/scripts/proxy.js b/packages/workflow/scripts/proxy.js
index 93f8af63..c32e39d0 100644
--- a/packages/workflow/scripts/proxy.js
+++ b/packages/workflow/scripts/proxy.js
@@ -1,8 +1,6 @@
 const chalk = require('chalk');
 const debug = require('debug')('workflow:proxy');
 const { get, merge } = require('lodash');
-const proxyJson = require('node-http-proxy-json');
-const typeIs = require('type-is');
 const urlJoin = require('url-join');
 const Logger = require('@availity/workflow-logger');
 const escapeStringRegexp = require('escape-string-regexp');
@@ -44,7 +42,7 @@ function onRequest(proxyConfig, proxyObject) {
   });
 }
 
-function onResponse(proxyConfig, proxyObject, req, res) {
+function onResponse(proxyConfig, proxyObject) {
   if (!get(proxyConfig, 'contextRewrite', true)) {
     return;
   }
@@ -76,20 +74,24 @@ function onResponse(proxyConfig, proxyObject, req, res) {
     }
   });
 
-  const isJson = typeIs.is(proxyObject.headers['content-type'], ['json']) === 'json';
-  if (isJson && proxyObject.statusCode !== 304) {
-    proxyJson(res, proxyObject.headers['content-encoding'], body => {
-      if (body) {
-        const json = JSON.stringify(body);
-        const replacedUrl = regexerContext.test(json) ? hostUrl : hostUrlContext;
-        const replacedJson = json.replace(regexer, replacedUrl);
-        debug(`Rewriting response body urls to ${chalk.blue(replacedUrl)} for request ${chalk.blue(req.url)}`);
-        body = JSON.parse(replacedJson);
-      }
-
-      return body;
-    });
-  }
+  // Below code never worked as the content length also had to be modified before gzipping back to UI.
+  // This middleware didn't update the content length. Leaving this out unless in the future we have
+  // urls we want to rewrite to our localhost that isn't using ekko
+
+  // const isJson = typeIs.is(proxyObject.headers['content-type'], ['json']) === 'json';
+  // if (isJson && proxyObject.statusCode !== 304) {
+  //   proxyJson(res, proxyObject.headers['content-encoding'], body => {
+  //     if (body) {
+  //       const json = JSON.stringify(body);
+  //       const replacedUrl = regexerContext.test(json) ? hostUrl : hostUrlContext;
+  //       const replacedJson = json.replace(regexer, replacedUrl);
+  //       debug(`Rewriting response body urls to ${chalk.blue(replacedUrl)} for request ${chalk.blue(req.url)}`);
+  //       body = JSON.parse(replacedJson);
+  //     }
+
+  //     return body;
+  //   });
+  // }
 }
 
 function onProxyError(proxyConfiguration, err, req, res) {
diff --git a/yarn.lock b/yarn.lock
index a8bc4649..86d741fa 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4477,11 +4477,6 @@ buffer@^4.3.0:
     ieee754 "^1.1.4"
     isarray "^1.0.0"
 
-bufferhelper@^0.2.1:
-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/bufferhelper/-/bufferhelper-0.2.1.tgz#fa74a385724a58e242f04ad6646c2366f83b913e"
-  integrity sha1-+nSjhXJKWOJC8ErWZGwjZvg7kT4=
-
 builtin-modules@^3.0.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-3.1.0.tgz#aad97c15131eb76b65b50ef208e7584cd76a7484"
@@ -5303,7 +5298,7 @@ concat-map@0.0.1:
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
   integrity sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=
 
-concat-stream@^1.5.0, concat-stream@^1.5.1:
+concat-stream@^1.5.0:
   version "1.6.2"
   resolved "https://registry.yarnpkg.com/concat-stream/-/concat-stream-1.6.2.tgz#904bdf194cd3122fc675c77fc4ac3d4ff0fd1a34"
   integrity sha512-27HBghJxjiZtIk3Ycvn/4kbJk/1uZuJFfuPEns6LaEvpvG1f0hTea8lilrouyo9mVc2GWdcEZ8OLoGmSADlrCw==
@@ -12968,14 +12963,6 @@ node-gyp@^5.0.2:
     tar "^4.4.12"
     which "1"
 
-node-http-proxy-json@^0.1.3:
-  version "0.1.9"
-  resolved "https://registry.yarnpkg.com/node-http-proxy-json/-/node-http-proxy-json-0.1.9.tgz#5e744138c189ebd7e0105fe92d035a5486478cd4"
-  integrity sha512-WrKAR/y09BWaz5WqgbxuE6D/XsdhQFkLkSdnRk0a5uBKSINtApMV085MN7JMh+stiyBBltvgSR9SYVIZIpKKKQ==
-  dependencies:
-    bufferhelper "^0.2.1"
-    concat-stream "^1.5.1"
-
 node-int64@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/node-int64/-/node-int64-0.4.0.tgz#87a9065cdb355d3182d8f94ce11188b825c68a3b"