feat: support linux command line proxy standard (#308)

* feat: support linux command line proxy standard with env HTTPS_PROXY and ALL_PROXY

* chore: update docs for linux command linux proxy standard

service/.env.example

@@ -24,3 +24,6 @@ SOCKS_PROXY_HOST=
 
 # Socks Proxy Port
 SOCKS_PROXY_PORT=
+
+# HTTPS PROXY
+HTTPS_PROXY=

service/package.json

@@ -28,6 +28,7 @@
     "dotenv": "^16.0.3",
     "esno": "^0.16.3",
     "express": "^4.18.2",
+    "https-proxy-agent": "^5.0.1",
     "isomorphic-fetch": "^3.0.0",
     "node-fetch": "^3.3.0",
     "socks-proxy-agent": "^7.0.0"

service/pnpm-lock.yaml

@@ -9,6 +9,7 @@ specifiers:
   eslint: ^8.35.0
   esno: ^0.16.3
   express: ^4.18.2
+  https-proxy-agent: ^5.0.1
   isomorphic-fetch: ^3.0.0
   node-fetch: ^3.3.0
   rimraf: ^4.3.0
@@ -21,6 +22,7 @@ dependencies:
   dotenv: 16.0.3
   esno: 0.16.3
   express: 4.18.2
+  https-proxy-agent: 5.0.1
   isomorphic-fetch: 3.0.0
   node-fetch: 3.3.0
   socks-proxy-agent: 7.0.0
@@ -2079,6 +2081,16 @@ packages:
       toidentifier: 1.0.1
     dev: false
 
+  /https-proxy-agent/5.0.1:
+    resolution: {integrity: sha512-dFcAjpTQFgoLMzC2VwU+C/CbS7uRL0lWmxDITmqm7C+7F0Odmj6s9l6alZc6AELXhrnggM2CeWSXHGOdX2YtwA==}
+    engines: {node: '>= 6'}
+    dependencies:
+      agent-base: 6.0.2
+      debug: 4.3.4
+    transitivePeerDependencies:
+      - supports-color
+    dev: false
+
   /human-signals/2.1.0:
     resolution: {integrity: sha512-B4FFZ6q/T2jhhksgkbEW3HBvWIfDW85snkQgawt07S7J5QXTk6BkNV+0yAeZrM5QpMAdYlocGoljn0sJ/WQkFw==}
     engines: {node: '>=10.17.0'}

service/src/chatgpt/index.ts

@@ -3,6 +3,7 @@ import 'isomorphic-fetch'
 import type { ChatGPTAPIOptions, ChatMessage, SendMessageOptions } from 'chatgpt'
 import { ChatGPTAPI, ChatGPTUnofficialProxyAPI } from 'chatgpt'
 import { SocksProxyAgent } from 'socks-proxy-agent'
+import { HttpsProxyAgent } from 'https-proxy-agent'
 import fetch from 'node-fetch'
 import { sendResponse } from '../utils'
 import type { ApiModel, ChatContext, ChatGPTUnofficialProxyAPIOptions, ModelConfig } from '../types'
@@ -55,6 +56,14 @@ let api: ChatGPTAPI | ChatGPTUnofficialProxyAPI
       }
     }
 
+    const httpsProxy = process.env.HTTPS_PROXY || process.env.https_proxy || process.env.ALL_PROXY || process.env.all_proxy
+    if (httpsProxy) {
+      const agent = new HttpsProxyAgent(httpsProxy)
+      options.fetch = (url, options) => {
+        return fetch(url, { agent, ...options })
+      }
+    }
+
     api = new ChatGPTAPI({ ...options })
     apiModel = 'ChatGPTAPI'
   }
@@ -74,6 +83,14 @@ let api: ChatGPTAPI | ChatGPTUnofficialProxyAPI
       }
     }
 
+    const httpsProxy = process.env.HTTPS_PROXY || process.env.https_proxy || process.env.ALL_PROXY || process.env.all_proxy
+    if (httpsProxy) {
+      const agent = new HttpsProxyAgent(httpsProxy)
+      options.fetch = (url, options) => {
+        return fetch(url, { agent, ...options })
+      }
+    }
+
     if (process.env.API_REVERSE_PROXY)
       options.apiReverseProxyUrl = process.env.API_REVERSE_PROXY
 
@@ -119,6 +136,8 @@ async function chatReplyProcess(
 }
 
 async function chatConfig() {
+  const httpsProxy = process.env.HTTPS_PROXY || process.env.https_proxy || process.env.ALL_PROXY || process.env.all_proxy
+
   return sendResponse({
     type: 'Success',
     data: {
@@ -126,6 +145,7 @@ async function chatConfig() {
       reverseProxy: process.env.API_REVERSE_PROXY,
       timeoutMs,
       socksProxy: (process.env.SOCKS_PROXY_HOST && process.env.SOCKS_PROXY_PORT) ? (`${process.env.SOCKS_PROXY_HOST}:${process.env.SOCKS_PROXY_PORT}`) : '-',
+      httpsProxy,
     } as ModelConfig,
   })
 }

service/src/types.ts

@@ -19,6 +19,7 @@ export interface ModelConfig {
   reverseProxy?: string
   timeoutMs?: number
   socksProxy?: string
+  httpsProxy?: string
 }
 
 export type ApiModel = 'ChatGPTAPI' | 'ChatGPTUnofficialProxyAPI' | undefined