mirror of
https://github.com/oven-sh/bun
synced 2026-02-02 15:08:46 +00:00
c90c0e69cb
## Summary
Add `proxy` option to WebSocket constructor for connecting through HTTP
CONNECT proxies.
### Features
- Support for `ws://` and `wss://` through HTTP proxies
- Support for `ws://` and `wss://` through HTTPS proxies (with
`rejectUnauthorized: false`)
- Proxy authentication via URL credentials (Basic auth)
- Custom proxy headers support
- Full TLS options (`ca`, `cert`, `key`, etc.) for target connections
using `SSLConfig.fromJS`
### API
```javascript
// String format
new WebSocket("wss://example.com", { proxy: "http://proxy:8080" })
// With credentials
new WebSocket("wss://example.com", { proxy: "http://user:pass@proxy:8080" })
// Object format with custom headers
new WebSocket("wss://example.com", {
proxy: { url: "http://proxy:8080", headers: { "X-Custom": "value" } }
})
// HTTPS proxy
new WebSocket("ws://example.com", {
proxy: "https://proxy:8443",
tls: { rejectUnauthorized: false }
})
```
### Implementation
| File | Changes |
|------|---------|
| `WebSocketUpgradeClient.zig` | Proxy state machine and CONNECT
handling |
| `WebSocketProxyTunnel.zig` | **New** - TLS tunnel inside CONNECT for
wss:// through HTTP proxy |
| `JSWebSocket.cpp` | Parse proxy option and TLS options using
`SSLConfig.fromJS` |
| `WebSocket.cpp` | Pass proxy parameters to Zig, handle HTTPS proxy
socket selection |
| `bun.d.ts` | Add `proxy` and full TLS options to WebSocket types |
### Supported Scenarios
| Scenario | Status |
|----------|--------|
| ws:// through HTTP proxy | ✅ Working |
| wss:// through HTTP proxy | ✅ Working (TLS tunnel) |
| ws:// through HTTPS proxy | ✅ Working (with `rejectUnauthorized:
false`) |
| wss:// through HTTPS proxy | ✅ Working (with `rejectUnauthorized:
false`) |
| Proxy authentication (Basic) | ✅ Working |
| Custom proxy headers | ✅ Working |
| Custom CA for HTTPS proxy | ✅ Working |
## Test plan
- [x] API tests verify proxy option is accepted in various formats
- [x] Functional tests with local HTTP CONNECT proxy server
- [x] Proxy authentication tests (Basic auth)
- [x] HTTPS proxy tests with `rejectUnauthorized: false`
- [x] Error handling tests (auth failures, wrong credentials)
Run tests: `bun test test/js/web/websocket/websocket-proxy.test.ts`
## Changelog
- Added `proxy` option to `WebSocket` constructor for HTTP/HTTPS proxy
support
- Added full TLS options (`ca`, `cert`, `key`, `passphrase`, etc.) to
`WebSocket` constructor
🤖 Generated with [Claude Code](https://claude.com/claude-code)
---------
Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
127 lines
3.5 KiB
JSON
127 lines
3.5 KiB
JSON
{
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"name": "test",
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"bd:v": "(bun run --silent --cwd=../ build:debug &> /tmp/bun.debug.build.log || (cat /tmp/bun.debug.build.log && rm -rf /tmp/bun.debug.build.log && exit 1)) && rm -f /tmp/bun.debug.build.log && ../build/debug/bun-debug",
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"react": "../node_modules/react",
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