Files
2026-07-30 13:47:50 +08:00

150 lines
4.5 KiB
Python

from __future__ import annotations
import hmac
from typing import Annotated
from fastapi import APIRouter, Depends, HTTPException, Request
from pydantic import BaseModel, Field
from ..auth import issue_token, require_control_user
from ..config import ControlSettings, get_control_settings
from ..envfile import update_control_credentials, upsert_env_control
from ..lan import client_ip, is_lan_ip
router = APIRouter(prefix="/api/auth", tags=["auth"])
class LoginBody(BaseModel):
username: str = Field(min_length=1)
password: str = Field(min_length=1)
class ChangeCredentialsBody(BaseModel):
current_password: str = Field(min_length=1)
new_username: str = Field(min_length=1, max_length=64)
new_password: str = Field(min_length=6, max_length=128)
class LanBypassBody(BaseModel):
enabled: bool
@router.get("/login-meta")
async def login_meta(
request: Request,
settings: Annotated[ControlSettings, Depends(get_control_settings)],
) -> dict:
ip = client_ip(request)
lan = is_lan_ip(ip)
return {
"show_default_hint": settings.is_default_credentials,
"lan_bypass_enabled": settings.lan_auth_bypass,
"lan_client": lan,
"lan_login_available": bool(settings.lan_auth_bypass and lan),
"client_ip": ip or None,
}
@router.post("/lan-login")
async def lan_login(
request: Request,
settings: Annotated[ControlSettings, Depends(get_control_settings)],
) -> dict:
if not settings.lan_auth_bypass:
raise HTTPException(status_code=403, detail="未开启局域网免登录")
ip = client_ip(request)
if not is_lan_ip(ip):
raise HTTPException(status_code=403, detail="仅局域网地址可免登录")
user = settings.control_auth_username
token, ttl = issue_token(user, settings)
return {
"token": token,
"username": user,
"expires_in": ttl,
"via": "lan",
}
@router.post("/login")
async def login(
body: LoginBody,
settings: Annotated[ControlSettings, Depends(get_control_settings)],
) -> dict:
user_ok = hmac.compare_digest(
body.username.encode("utf-8"),
settings.control_auth_username.encode("utf-8"),
)
pwd_ok = hmac.compare_digest(
body.password.encode("utf-8"),
settings.control_auth_password.encode("utf-8"),
)
if not (user_ok and pwd_ok):
raise HTTPException(status_code=401, detail="用户名或密码错误")
token, ttl = issue_token(body.username, settings)
return {"token": token, "username": body.username, "expires_in": ttl}
@router.get("/me")
async def me(
request: Request,
username: Annotated[str, Depends(require_control_user)],
settings: Annotated[ControlSettings, Depends(get_control_settings)],
) -> dict:
ip = client_ip(request)
lan = is_lan_ip(ip)
return {
"username": username,
"poll_interval_sec": settings.control_poll_interval_sec,
"sse_interval_sec": settings.control_sse_interval_sec,
"show_default_hint": settings.is_default_credentials,
"lan_bypass_enabled": settings.lan_auth_bypass,
"lan_client": lan,
"client_ip": ip or None,
}
@router.put("/lan-bypass")
async def put_lan_bypass(
body: LanBypassBody,
_user: Annotated[str, Depends(require_control_user)],
) -> dict:
upsert_env_control(
"CONTROL_LAN_AUTH_BYPASS",
"1" if body.enabled else "0",
overwrite=True,
)
get_control_settings.cache_clear()
settings = get_control_settings()
return {
"ok": True,
"lan_bypass_enabled": settings.lan_auth_bypass,
}
@router.post("/change-credentials")
async def change_credentials(
body: ChangeCredentialsBody,
username: Annotated[str, Depends(require_control_user)],
settings: Annotated[ControlSettings, Depends(get_control_settings)],
) -> dict:
if not hmac.compare_digest(
body.current_password.encode("utf-8"),
settings.control_auth_password.encode("utf-8"),
):
raise HTTPException(status_code=400, detail="当前密码不正确")
try:
update_control_credentials(
new_username=body.new_username,
new_password=body.new_password,
)
except ValueError as e:
raise HTTPException(status_code=400, detail=str(e)) from e
settings2 = get_control_settings()
token, ttl = issue_token(body.new_username.strip(), settings2)
return {
"token": token,
"username": body.new_username.strip(),
"expires_in": ttl,
"show_default_hint": settings2.is_default_credentials,
}