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chore: hapus fitur IPv6 source rotation

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- Hapus src/lib/ipv6-pool.ts dan test
- Hapus fetchViaCurl() dari fetch-utils.ts
- Hapus parameter ipv6Source dari router, ai-proxy, anthropic-proxy
- Hapus ipv6Only: false dari Bun.serve(), default bind ke 0.0.0.0
- Hapus dokumentasi IPv6 dari CLAUDE.md dan README.md
- SSRF protection untuk IPv6 private/loopback tetap ada

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
MythEclipse
2026-06-27 12:10:25 +07:00
co-authored by Claude Opus 4.8
parent 9a379d09b5
commit f78f1f5bbf
8 changed files with 25 additions and 581 deletions
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CLAUDE.md
-41
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@@ -7,49 +7,8 @@ Key architecture facts:
- Middleware stack: rate limiter, body limiter, structured logger, SSRF protection
- WebSocket relay: bidirectional relay via `x-relay-target` header with `ws://` or `wss://`
- Error classification: DNS errors -> 502, timeouts -> 504, SSRF blocks -> 403, rate limits -> 429
- IPv6 support: dual-stack listen + outbound source rotation via `Bun.spawn` + `curl --interface`
- The old Next.js `src/app/route.ts` still exists as a legacy file but is no longer the active entry point
## IPv6 Configuration
### Environment Variables
| Variable | Default | Description |
|----------|---------|-------------|
| `HOST` | `::` | Bind address. Use `::` for dual-stack (IPv4+IPv6) |
| `IPV6_SOURCES` | _(empty)_ | Comma-separated IPv6 source addresses for outbound rotation |
### Setup
1. Add IPv6 addresses to your interface:
```bash
ip -6 addr add 2001:df4:c140:1f::d6/128 dev eth0
ip -6 addr add 2001:df4:c140:1f:ffff:ffff:ffff:ffff/128 dev eth0
```
2. Configure the proxy with IPv6 source rotation:
```bash
IPV6_SOURCES=2001:df4:c140:1f::d6,2001:df4:c140:1f:ffff:ffff:ffff:ffff bun run src/index.ts
```
### How It Works
- **Listen**: Server binds to `::` (all IPv6 interfaces) with `ipv6Only: false` (dual-stack)
- **Outbound**: When `IPV6_SOURCES` is configured, each outbound request rotates through the source addresses using `curl --interface <ipv6>`
- **Failover**: Failed source addresses are automatically disabled after 3 consecutive failures
### Source: `src/lib/ipv6-pool.ts`
```typescript
import { IPv6SourcePool } from "./lib/ipv6-pool";
const pool = new IPv6SourcePool();
pool.loadFromEnv(); // reads IPV6_SOURCES
const source = pool.getNext(); // round-robin
pool.markSuccess(source); // reset failure count
pool.markFailed(source); // increment failure count
```
Default to using Bun instead of Node.js.