Files
mcp-auth/backend/app/routers/tokens.py
T
2026-09-02 17:31:52 +08:00

260 lines
9.5 KiB
Python

"""tokens 路由:token CRUD + 签发 + 吊销 + 日志"""
import hashlib
import json
import secrets
from datetime import datetime, timezone
from fastapi import APIRouter, Depends, HTTPException, Query, status
from pydantic import BaseModel
from ..core.db import get_pool
from ..core.deps import current_admin
from ..core.redis import cache_delete
router = APIRouter(prefix="/api/tokens", tags=["tokens"])
class TokenCreate(BaseModel):
client_id: str
service_scope: str # MCP 服务地址(如 http://10.100.154.100:8001/mcp),后端反查服务名入库
description: str | None = None
expires_at: datetime | None = None # null = 永不过期
class TokenUpdate(BaseModel):
description: str | None = None
expires_at: datetime | None = None
class RevokeReq(BaseModel):
reason: str | None = None
def _row_to_dict(row) -> dict:
return {
"token_id": row["token_id"],
"token_prefix": row["token_prefix"],
"token_plain": row["token_plain"],
"client_id": row["client_id"],
"service_scope": row["service_scope"],
"service_url": row["service_url"],
"status": row["status"],
"expires_at": row["expires_at"].isoformat() if row["expires_at"] else None,
"description": row["description"],
"created_at": row["created_at"].isoformat() if row["created_at"] else None,
"created_by": row["created_by"],
"revoked_at": row["revoked_at"].isoformat() if row["revoked_at"] else None,
"revoke_reason": row["revoke_reason"],
"last_used_at": row["last_used_at"].isoformat() if row["last_used_at"] else None,
"last_used_svc": row["last_used_svc"],
}
@router.get("")
async def list_tokens(
client_id: str | None = Query(None),
status: str | None = Query(None),
service_scope: str | None = Query(None),
admin: dict = Depends(current_admin),
):
pool = await get_pool()
query = "SELECT * FROM mcp_token WHERE 1=1"
params: list = []
if client_id:
query += f" AND client_id = ${len(params)+1}"
params.append(client_id)
if status:
query += f" AND status = ${len(params)+1}"
params.append(status)
if service_scope:
query += f" AND service_scope = ${len(params)+1}"
params.append(service_scope)
query += " ORDER BY token_id DESC"
rows = await pool.fetch(query, *params)
return {"total": len(rows), "tokens": [_row_to_dict(r) for r in rows]}
@router.post("", status_code=status.HTTP_201_CREATED)
async def create_token(req: TokenCreate, admin: dict = Depends(current_admin)):
pool = await get_pool()
# 动态校验 service_scope:传入 MCP 服务地址,反查服务名(必须是已注册的 active 服务)
svc_row = await pool.fetchrow(
"SELECT service_name, service_url FROM mcp_service WHERE service_url = $1 AND status = 'active'",
req.service_scope.strip(),
)
if svc_row is None:
raise HTTPException(400, f"service_scope '{req.service_scope}' 不是已注册的活跃服务")
service_name = svc_row["service_name"]
# client_id + service_scope 唯一校验:同一客户端同一服务不允许重复签发
existing = await pool.fetchval(
"SELECT 1 FROM mcp_token WHERE client_id = $1 AND service_scope = $2 AND status = 'active'",
req.client_id, service_name,
)
if existing:
raise HTTPException(400, f"client_id '{req.client_id}' 已存在服务于 '{service_name}' 的活跃 Token,请先吊销旧 Token")
# 生成明文 token:仅此一次返回
plain = secrets.token_urlsafe(32)
token_hash = hashlib.sha256(plain.encode()).hexdigest()
token_prefix = plain[:12] + "…"
row = await pool.fetchrow(
"""INSERT INTO mcp_token (token_hash, token_plain, token_prefix, client_id, service_scope, service_url, status,
expires_at, description, created_by)
VALUES ($1, $2, $3, $4, $5, $6, 'active', $7, $8, $9)
RETURNING token_id, token_prefix, client_id, service_scope, service_url, status,
expires_at, description, created_at, created_by""",
token_hash, plain, token_prefix, req.client_id, service_name, svc_row["service_url"],
req.expires_at, req.description, admin.get("username", "admin"),
)
# 审计日志
await pool.execute(
"INSERT INTO mcp_token_log (token_id, event, detail) VALUES ($1, 'issued', $2)",
row["token_id"],
json.dumps({"client_id": req.client_id, "service_scope": service_name, "service_url": svc_row["service_url"]}),
)
return {
"token": plain, # 明文仅此一次
"token_id": row["token_id"],
"token_prefix": row["token_prefix"],
"client_id": row["client_id"],
"service_scope": row["service_scope"],
"service_url": row["service_url"],
"message": "请立即保存此 token,之后无法再次查看",
}
@router.patch("/{token_id}")
async def update_token(
token_id: int,
req: TokenUpdate,
admin: dict = Depends(current_admin),
):
pool = await get_pool()
existing = await pool.fetchrow("SELECT token_id FROM mcp_token WHERE token_id = $1", token_id)
if existing is None:
raise HTTPException(404, "token 不存在")
updates, params = [], []
if req.description is not None:
updates.append(f"description = ${len(params)+1}")
params.append(req.description)
if req.expires_at is not None:
updates.append(f"expires_at = ${len(params)+1}")
params.append(req.expires_at)
if not updates:
raise HTTPException(400, "无更新字段")
params.append(token_id)
await pool.execute(
f"UPDATE mcp_token SET {', '.join(updates)} WHERE token_id = ${len(params)}",
*params,
)
return {"success": True, "token_id": token_id}
@router.put("/{token_id}/revoke")
async def revoke_token(
token_id: int,
req: RevokeReq = RevokeReq(),
admin: dict = Depends(current_admin),
):
"""吊销 token:软删除,status 改为 revoked。吊销后才可删除。"""
pool = await get_pool()
row = await pool.fetchrow(
"SELECT token_id, status, token_hash FROM mcp_token WHERE token_id = $1", token_id
)
if row is None:
raise HTTPException(404, "token 不存在")
if row["status"] == "revoked":
raise HTTPException(400, "token 已吊销")
await pool.execute(
"UPDATE mcp_token SET status = 'revoked', revoked_at = now(), revoke_reason = $2 WHERE token_id = $1",
token_id, req.reason,
)
await pool.execute(
"INSERT INTO mcp_token_log (token_id, event, detail) VALUES ($1, 'revoked', $2)",
token_id, json.dumps({"reason": req.reason, "by": admin.get("username")}),
)
await cache_delete(f"mcp:tok:{row['token_hash']}", f"mcp:tok:miss:{row['token_hash']}")
return {"success": True, "token_id": token_id, "status": "revoked"}
@router.put("/{token_id}/enable")
async def enable_token(
token_id: int,
admin: dict = Depends(current_admin),
):
"""启用 token:将已吊销的 token 恢复为 active。"""
pool = await get_pool()
row = await pool.fetchrow(
"SELECT token_id, status, token_hash FROM mcp_token WHERE token_id = $1", token_id
)
if row is None:
raise HTTPException(404, "token 不存在")
if row["status"] == "active":
raise HTTPException(400, "token 已是启用状态")
await pool.execute(
"UPDATE mcp_token SET status = 'active', revoked_at = NULL, revoke_reason = NULL WHERE token_id = $1",
token_id,
)
await pool.execute(
"INSERT INTO mcp_token_log (token_id, event, detail) VALUES ($1, 'enabled', $2)",
token_id, json.dumps({"by": admin.get("username")}),
)
await cache_delete(f"mcp:tok:{row['token_hash']}", f"mcp:tok:miss:{row['token_hash']}")
return {"success": True, "token_id": token_id, "status": "active"}
@router.delete("/{token_id}")
async def delete_token(
token_id: int,
admin: dict = Depends(current_admin),
):
"""删除 token:物理删除,仅允许删除已吊销的 token。"""
pool = await get_pool()
row = await pool.fetchrow(
"SELECT token_id, status, token_hash FROM mcp_token WHERE token_id = $1", token_id
)
if row is None:
raise HTTPException(404, "token 不存在")
if row["status"] != "revoked":
raise HTTPException(400, "仅可删除已吊销的 token,请先吊销")
await pool.execute("DELETE FROM mcp_token_log WHERE token_id = $1", token_id)
await pool.execute("DELETE FROM mcp_token WHERE token_id = $1", token_id)
await cache_delete(f"mcp:tok:{row['token_hash']}", f"mcp:tok:miss:{row['token_hash']}")
return {"success": True, "token_id": token_id}
@router.get("/{token_id}/logs")
async def token_logs(token_id: int, limit: int = 50, admin: dict = Depends(current_admin)):
pool = await get_pool()
rows = await pool.fetch(
"""SELECT log_id, event, service, client_ip, occurred_at, detail
FROM mcp_token_log WHERE token_id = $1
ORDER BY occurred_at DESC LIMIT $2""",
token_id, limit,
)
return {
"total": len(rows),
"logs": [
{
"log_id": r["log_id"],
"event": r["event"],
"service": r["service"],
"client_ip": r["client_ip"],
"occurred_at": r["occurred_at"].isoformat() if r["occurred_at"] else None,
"detail": r["detail"],
}
for r in rows
],
}