From 005a8c2db82727021dc520150c23a086a2c04d06 Mon Sep 17 00:00:00 2001
From: librelois <elois@ifee.fr>
Date: Sun, 29 Oct 2017 04:44:47 +0100
Subject: [PATCH] [enh] add Proxy type
---
app/lib/proxy.ts | 80 ++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 80 insertions(+)
create mode 100644 app/lib/proxy.ts
diff --git a/app/lib/proxy.ts b/app/lib/proxy.ts
new file mode 100644
index 000000000..cdcb039dd
--- /dev/null
+++ b/app/lib/proxy.ts
@@ -0,0 +1,80 @@
+const SocksProxyAgent = require('socks-proxy-agent');
+
+const constants = require('./constants');
+const WS2PConstants = require('../modules/ws2p/lib/constants');
+
+export interface Proxies {
+ proxySocks: Proxy|undefined,
+ proxyTor: Proxy|undefined
+}
+
+export interface ProxyConf {
+ proxySocksAddress: string|undefined,
+ proxyTorAddress: string|undefined,
+ alwaysUseTor: boolean|undefined,
+ proxies: Proxies|undefined
+}
+
+export class Proxy {
+ private agent: any
+
+ constructor(proxy:string, type:string = "socks") {
+ if (type === "socks") {
+ this.agent = SocksProxyAgent("socks://"+proxy)
+ }
+ else {
+ this.agent = undefined
+ }
+ }
+
+ getAgent() {
+ return this.agent;
+ }
+
+ static defaultConf():ProxyConf {
+ return {
+ proxySocksAddress: undefined,
+ proxyTorAddress: undefined,
+ alwaysUseTor: undefined,
+ proxies: undefined
+ }
+ }
+
+ static createProxies(proxyConf: ProxyConf|undefined) : Proxies|undefined
+ {
+ if (proxyConf !== undefined) {
+ return {
+ proxySocks: (proxyConf.proxySocksAddress !== undefined) ? new Proxy(proxyConf.proxySocksAddress, "socks"):undefined,
+ proxyTor: (proxyConf.proxyTorAddress !== undefined) ? new Proxy(proxyConf.proxyTorAddress, "socks"):undefined
+ }
+ } else {
+ return undefined
+ }
+ }
+
+ static httpProxy(url:string, proxyConf: ProxyConf|undefined) {
+ return Proxy.chooseProxy(url, proxyConf, constants.ONION_ENDPOINT_REGEX)
+ }
+
+ static wsProxy(address:string, proxyConf: ProxyConf|undefined) {
+ return Proxy.chooseProxy(address, proxyConf, WS2PConstants.ONION_ENDPOINT_REGEX)
+ }
+
+ private static chooseProxy(address:string, proxyConf: ProxyConf|undefined, onionRegex:RegExp): Proxy|undefined {
+ if (proxyConf !== undefined) {
+ if (proxyConf.proxies === undefined) {
+ proxyConf.proxies = Proxy.createProxies(proxyConf)
+ }
+ if (proxyConf.proxies !== undefined) {
+ if ( proxyConf.proxies.proxyTor !== undefined && proxyConf.proxies.proxyTor.getAgent() !== undefined && (proxyConf.alwaysUseTor || address.match(onionRegex)))
+ {
+ return proxyConf.proxies.proxyTor
+ }
+ else if (proxyConf.proxies.proxySocks !== undefined && proxyConf.proxies.proxySocks.getAgent() !== undefined) {
+ return proxyConf.proxies.proxyTor
+ }
+ }
+ }
+ return undefined
+ }
+}
--
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