From 87dbf1d35e801184db6a42aa03d40da4470ce5fa Mon Sep 17 00:00:00 2001
From: trazyn <var.darling@gmail.com>
Date: Sat, 19 Jan 2019 19:21:51 +0800
Subject: [PATCH] Add pac proxy support

---
 package.json    |  1 +
 util/request.js | 22 +++++++++++++++-------
 2 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/package.json b/package.json
index 7af7f12..9227230 100644
--- a/package.json
+++ b/package.json
@@ -17,6 +17,7 @@
   "dependencies": {
     "apicache": "^1.2.1",
     "express": "^4.16.3",
+    "pac-proxy-agent": "^3.0.0",
     "request": "^2.85.0"
   },
   "devDependencies": {
diff --git a/util/request.js b/util/request.js
index 361031d..ff8ff91 100644
--- a/util/request.js
+++ b/util/request.js
@@ -1,6 +1,7 @@
 const encrypt = require('./crypto')
 const request = require('request')
 const queryString = require('querystring')
+const PacProxyAgent = require('pac-proxy-agent')
 
 // request.debug = true // 开启可看到更详细信息
 
@@ -67,14 +68,21 @@ const createRequest = (method, url, data, options) => {
     }
 
     const answer = { status: 500, body: {}, cookie: [] }
+    const settings = {
+      method: method,
+      url: url,
+      headers: headers,
+      body: queryString.stringify(data)
+    }
+
+    if (/\.pac$/i.test(options.proxy)) {
+      settings.agent = new PacProxyAgent(options.proxy)
+    } else {
+      settings.proxy = options.proxy
+    }
+
     request(
-      {
-        method: method,
-        url: url,
-        headers: headers,
-        body: queryString.stringify(data),
-        proxy: options.proxy
-      },
+      settings,
       (err, res, body) => {
         if (err) {
           answer.status = 502
-- 
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