From 8729a87024fc837f7dd6f13afeec90cf6dda1c06 Mon Sep 17 00:00:00 2001
From: smilekison <24309222+smilekison@users.noreply.github.com>
Date: Wed, 25 Aug 2021 06:08:37 -0700
Subject: Support proxies for PeerTube (#4346)

* Updated with latest code

* Updated Support proxies for PeerTube

* Support Proxies for PeerTube (Updated with change request)

* Cleanup proxy PR

Co-authored-by: Chocobozzz <me@florianbigard.com>
---
 server/helpers/requests.ts | 32 ++++++++++++++++++++++++++++++--
 1 file changed, 30 insertions(+), 2 deletions(-)

(limited to 'server/helpers/requests.ts')

diff --git a/server/helpers/requests.ts b/server/helpers/requests.ts
index 36e69458e..e09e23086 100644
--- a/server/helpers/requests.ts
+++ b/server/helpers/requests.ts
@@ -1,19 +1,21 @@
 import { createWriteStream, remove } from 'fs-extra'
 import got, { CancelableRequest, Options as GotOptions, RequestError } from 'got'
+import { HttpProxyAgent, HttpsProxyAgent } from 'hpagent'
 import { join } from 'path'
 import { CONFIG } from '../initializers/config'
 import { ACTIVITY_PUB, PEERTUBE_VERSION, REQUEST_TIMEOUT, WEBSERVER } from '../initializers/constants'
 import { pipelinePromise } from './core-utils'
 import { processImage } from './image-utils'
 import { logger } from './logger'
+import { getProxy, isProxyEnabled } from './proxy'
+
+const httpSignature = require('http-signature')
 
 export interface PeerTubeRequestError extends Error {
   statusCode?: number
   responseBody?: any
 }
 
-const httpSignature = require('http-signature')
-
 type PeerTubeRequestOptions = {
   activityPub?: boolean
   bodyKBLimit?: number // 1MB
@@ -29,6 +31,8 @@ type PeerTubeRequestOptions = {
 } & Pick<GotOptions, 'headers' | 'json' | 'method' | 'searchParams'>
 
 const peertubeGot = got.extend({
+  ...getAgent(),
+
   headers: {
     'user-agent': getUserAgent()
   },
@@ -153,6 +157,30 @@ async function downloadImage (url: string, destDir: string, destName: string, si
   }
 }
 
+function getAgent () {
+  if (!isProxyEnabled()) return {}
+
+  const proxy = getProxy()
+
+  logger.info('Using proxy %s.', proxy)
+
+  const proxyAgentOptions = {
+    keepAlive: true,
+    keepAliveMsecs: 1000,
+    maxSockets: 256,
+    maxFreeSockets: 256,
+    scheduling: 'lifo' as 'lifo',
+    proxy
+  }
+
+  return {
+    agent: {
+      http: new HttpProxyAgent(proxyAgentOptions),
+      https: new HttpsProxyAgent(proxyAgentOptions)
+    }
+  }
+}
+
 function getUserAgent () {
   return `PeerTube/${PEERTUBE_VERSION} (+${WEBSERVER.URL})`
 }
-- 
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