cherry-studio/src/main/services/ProxyManager.ts

144 lines
4.0 KiB
TypeScript

import { ProxyConfig as _ProxyConfig, session } from 'electron'
import { socksDispatcher } from 'fetch-socks'
import { ProxyAgent as GeneralProxyAgent } from 'proxy-agent'
import { ProxyAgent, setGlobalDispatcher } from 'undici'
type ProxyMode = 'system' | 'custom' | 'none'
export interface ProxyConfig {
mode: ProxyMode
url?: string
}
export class ProxyManager {
private config: ProxyConfig
private proxyAgent: GeneralProxyAgent | null = null
private systemProxyInterval: NodeJS.Timeout | null = null
constructor() {
this.config = {
mode: 'none'
}
}
private async setSessionsProxy(config: _ProxyConfig): Promise<void> {
const sessions = [session.defaultSession, session.fromPartition('persist:webview')]
await Promise.all(sessions.map((session) => session.setProxy(config)))
}
private async monitorSystemProxy(): Promise<void> {
// Clear any existing interval first
this.clearSystemProxyMonitor()
// Set new interval
this.systemProxyInterval = setInterval(async () => {
await this.setSystemProxy()
}, 10000)
}
private clearSystemProxyMonitor(): void {
if (this.systemProxyInterval) {
clearInterval(this.systemProxyInterval)
this.systemProxyInterval = null
}
}
async configureProxy(config: ProxyConfig): Promise<void> {
try {
this.config = config
this.clearSystemProxyMonitor()
if (this.config.mode === 'system') {
await this.setSystemProxy()
this.monitorSystemProxy()
} else if (this.config.mode === 'custom') {
await this.setCustomProxy()
} else {
await this.clearProxy()
}
} catch (error) {
console.error('Failed to config proxy:', error)
throw error
}
}
private setEnvironment(url: string): void {
process.env.grpc_proxy = url
process.env.HTTP_PROXY = url
process.env.HTTPS_PROXY = url
process.env.http_proxy = url
process.env.https_proxy = url
}
private async setSystemProxy(): Promise<void> {
try {
await this.setSessionsProxy({ mode: 'system' })
const proxyString = await session.defaultSession.resolveProxy('https://dummy.com')
const [protocol, address] = proxyString.split(';')[0].split(' ')
const url = protocol === 'PROXY' ? `http://${address}` : null
if (url && url !== this.config.url) {
this.config.url = url.toLowerCase()
this.setEnvironment(this.config.url)
this.proxyAgent = new GeneralProxyAgent()
}
} catch (error) {
console.error('Failed to set system proxy:', error)
throw error
}
}
private async setCustomProxy(): Promise<void> {
try {
if (this.config.url) {
this.setEnvironment(this.config.url)
this.proxyAgent = new GeneralProxyAgent()
await this.setSessionsProxy({ proxyRules: this.config.url })
}
} catch (error) {
console.error('Failed to set custom proxy:', error)
throw error
}
}
private clearEnvironment(): void {
delete process.env.HTTP_PROXY
delete process.env.HTTPS_PROXY
delete process.env.grpc_proxy
delete process.env.http_proxy
delete process.env.https_proxy
}
private async clearProxy(): Promise<void> {
this.clearEnvironment()
await this.setSessionsProxy({ mode: 'direct' })
this.config = { mode: 'none' }
this.proxyAgent = null
}
getProxyAgent(): GeneralProxyAgent | null {
return this.proxyAgent
}
getProxyUrl(): string {
return this.config.url || ''
}
setGlobalProxy() {
const proxyUrl = this.config.url
if (proxyUrl) {
const [protocol, address] = proxyUrl.split('://')
const [host, port] = address.split(':')
if (!protocol.includes('socks')) {
setGlobalDispatcher(new ProxyAgent(proxyUrl))
} else {
const dispatcher = socksDispatcher({
port: parseInt(port),
type: protocol === 'socks5' ? 5 : 4,
host: host
})
global[Symbol.for('undici.globalDispatcher.1')] = dispatcher
}
}
}
}
export const proxyManager = new ProxyManager()