Files
Aether/alembic/versions/20260224_1700_9a0b1c2d3e4f_add_tunnel_mode_fields.py
fawney19 fd9040b9aa refactor(proxy): 将 aether-proxy 从 HMAC 正向代理迁移到 WebSocket 隧道模式
移除 HMAC 认证、TLS 自签名证书、HTTP CONNECT 代理和代发(delegate)模式,
改为 aether-proxy 主动通过 WebSocket 连接 Aether 服务端建立隧道。

Aether 服务端新增:
- WebSocket 隧道端点 (proxy_tunnel.py)
- TunnelManager 管理隧道连接和请求分发
- TunnelTransport 作为 httpx 自定义 transport 层
- 基于二进制帧的隧道协议 (tunnel_protocol.py)

aether-proxy (Rust) 重构:
- 新增 tunnel 模块 (client/dispatcher/stream_handler/protocol)
- 支持多 Aether 服务端连接 ([[servers]] 配置)
- 移除 proxy/auth/delegate 模块和 hyper 依赖
- 改用 tokio-tungstenite 实现 WebSocket 客户端

同时:
- 添加浏览器指纹 Headers 绕过 Cloudflare 防护
- 删除节点时自动清理 Provider/Endpoint 的代理引用
- 数据库迁移: 新增 tunnel_mode/tunnel_connected/tunnel_connected_at 字段
2026-02-25 21:59:29 +08:00

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"""Add tunnel mode fields and remove IP forwarding fields
Revision ID: 9a0b1c2d3e4f
Revises: 8f9a0b1c2d3e
Create Date: 2026-02-24 17:00:00.000000
"""
from __future__ import annotations
from collections.abc import Sequence
import sqlalchemy as sa
from sqlalchemy import inspect
from alembic import op
revision: str = "9a0b1c2d3e4f"
down_revision: str | None = "8f9a0b1c2d3e"
branch_labels: str | Sequence[str] | None = None
depends_on: str | Sequence[str] | None = None
def column_exists(table_name: str, column_name: str) -> bool:
bind = op.get_bind()
inspector = inspect(bind)
columns = [c["name"] for c in inspector.get_columns(table_name)]
return column_name in columns
def upgrade() -> None:
# 添加 tunnel 模式字段
if not column_exists("proxy_nodes", "tunnel_mode"):
op.add_column(
"proxy_nodes",
sa.Column(
"tunnel_mode",
sa.Boolean(),
nullable=False,
server_default=sa.text("false"),
comment="是否使用 WebSocket 隧道模式",
),
)
if not column_exists("proxy_nodes", "tunnel_connected"):
op.add_column(
"proxy_nodes",
sa.Column(
"tunnel_connected",
sa.Boolean(),
nullable=False,
server_default=sa.text("false"),
comment="隧道是否已连接",
),
)
if not column_exists("proxy_nodes", "tunnel_connected_at"):
op.add_column(
"proxy_nodes",
sa.Column(
"tunnel_connected_at",
sa.DateTime(timezone=True),
nullable=True,
comment="隧道最近一次建立时间",
),
)
# tunnel 模式节点不需要 port将其置零
op.execute("UPDATE proxy_nodes SET port = 0 WHERE tunnel_mode = true")
# 移除旧的 IP 转发字段
if column_exists("proxy_nodes", "tls_enabled"):
op.drop_column("proxy_nodes", "tls_enabled")
if column_exists("proxy_nodes", "tls_cert_fingerprint"):
op.drop_column("proxy_nodes", "tls_cert_fingerprint")
def downgrade() -> None:
# 恢复 IP 转发字段
if not column_exists("proxy_nodes", "tls_cert_fingerprint"):
op.add_column(
"proxy_nodes",
sa.Column(
"tls_cert_fingerprint",
sa.String(128),
nullable=True,
comment="TLS 证书 SHA-256 指纹hex",
),
)
if not column_exists("proxy_nodes", "tls_enabled"):
op.add_column(
"proxy_nodes",
sa.Column(
"tls_enabled",
sa.Boolean(),
nullable=False,
server_default=sa.text("false"),
comment="是否启用 TLS 加密",
),
)
# 移除 tunnel 模式字段
if column_exists("proxy_nodes", "tunnel_connected_at"):
op.drop_column("proxy_nodes", "tunnel_connected_at")
if column_exists("proxy_nodes", "tunnel_connected"):
op.drop_column("proxy_nodes", "tunnel_connected")
if column_exists("proxy_nodes", "tunnel_mode"):
op.drop_column("proxy_nodes", "tunnel_mode")