283 lines
12 KiB
Python
283 lines
12 KiB
Python
from fastapi import Depends, FastAPI, HTTPException, status
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from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm, OAuth2AuthorizationCodeBearer
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from fastapi.security.api_key import APIKey
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from sqlalchemy.orm import Session
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from . import crud, models, schemas, auth_helper
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from .database import SessionLocal, engine
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from typing import List
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from datetime import timedelta, datetime
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import jwt
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models.Base.metadata.create_all(bind=engine)
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oauth = OAuth2PasswordBearer(tokenUrl="tkn")
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app = FastAPI(title="IoT Building System")
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credentials_exception = HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Could not validate credentials",
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headers={"WWW-Authenticate": "Bearer"})
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inactive_user_exception = HTTPException(status_code=status.HTTP_403_FORBIDDEN,
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detail="Inactive user")
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email_used_exception = HTTPException(status_code=400,
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detail="Email already registered")
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username_used_exception = HTTPException(status_code=400,
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detail="Username already registerd")
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user_not_found_exception = HTTPException(status_code=404,
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detail="User not found")
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room_not_found_exception = HTTPException(status_code=404,
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detail="Room not found")
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unauth_to_open = HTTPException(status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Unauthrized to open")
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str_not_implemented = 'Not Implemented'
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def get_db():
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db = SessionLocal()
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try:
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yield db
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finally:
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db.close()
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def get_current_user(token: str = Depends(oauth), db: Session = Depends(get_db)):
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try:
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payload = jwt.decode(token, auth_helper.JWT_SECRET, algorithms=[auth_helper.JWT_ALGO])
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username: str = payload.get("sub")
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if username is None:
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raise credentials_exception
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#token_data = schemas.TokenData(username=username)
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except jwt.PyJWTError:
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raise credentials_exception
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user = crud.get_user_by_username(db, username=username)
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if user is None:
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raise credentials_exception
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return user
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def get_current_active_user(current_user: schemas.User = Depends(get_current_user)):
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if not current_user.is_active:
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raise inactive_user_exception
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return current_user
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@app.post("/users/reg", response_model=schemas.User, tags=['Users'])
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def create_user(user: schemas.UserCreate, db: Session = Depends(get_db)):
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db_user = crud.get_user_by_email(db, email=user.email)
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if db_user:
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raise email_used_exception
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db_user = crud.get_user_by_username(db, username=user.username)
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if db_user:
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raise username_used_exception
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return crud.create_user(db=db, user=user)
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@app.get("/users/me/", response_model=schemas.User, tags=['Users'])
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def get_user_details(current_user: schemas.User = Depends(get_current_active_user)):
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return current_user
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@app.get("/admin/users/", response_model=List[schemas.User], tags=['Admin'])
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def read_users(skip: int = 0, limit: int = 100, db: Session = Depends(get_db)):
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users = crud.get_users(db, skip=skip, limit=limit)
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return users
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@app.get("/admin/doors/", response_model=List[schemas.IotDoor], tags=['Admin'])
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def read_iot_doors(skip: int = 0, limit: int = 100, db: Session = Depends(get_db)):
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doors = crud.get_doors(db, skip=skip, limit=limit)
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return doors
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@app.get("/admin/monitors/", response_model=List[schemas.IotMonitor], tags=['Admin'])
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def read_iot_doors(skip: int = 0, limit: int = 100, db: Session = Depends(get_db)):
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monitors = crud.get_monitors(db, skip=skip, limit=limit)
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return monitors
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@app.get("/admin/rooms/", response_model=List[schemas.Room], tags=['Admin'])
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def read_iot_doors(skip: int = 0, limit: int = 100, db: Session = Depends(get_db)):
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rooms = crud.get_rooms(db, skip=skip, limit=limit)
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return rooms
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@app.post("/admin/create/door/", response_model=schemas.IotDoor, tags=['Admin'])
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def create_iot_entities(door: schemas.IotDoorCreate, db: Session = Depends(get_db)):
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#iot_entities = crud.create_iot_entity(db, iot_entity)
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new_door = crud.create_door(db, door)
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return new_door
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@app.post("/admin/create/monitor/", response_model=schemas.IotMonitor, tags=['Admin'])
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def create_iot_entities(monitor: schemas.IotMonitorCreate, db: Session = Depends(get_db)):
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#iot_entities = crud.create_iot_entity(db, iot_entity)
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new_monitor = crud.create_monitor(db, monitor)
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return new_monitor
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@app.post("/admin/create/room/", response_model=schemas.Room, tags=['Admin'])
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def create_iot_entities(room: schemas.RoomCreate, db: Session = Depends(get_db)):
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new_room = crud.create_room(db, room)
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return new_room
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@app.get("/admin/users/{user_id}", response_model=schemas.User, tags=['Admin'])
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def read_user(user_id: int, db: Session = Depends(get_db)):
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db_user = crud.get_user(db, user_id=user_id)
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if db_user is None:
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raise user_not_found_exception
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return db_user
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@app.post("/admin/users/allowaccess/id", response_model=schemas.AllowRoomAccessRequestID, tags=['Admin'])
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def allow_user_room_access_by_id(request: schemas.AllowRoomAccessRequestID,
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db: Session = Depends(get_db)):
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user = crud.get_user(db, request.user_id)
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if not user:
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raise user_not_found_exception
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room = crud.get_room(db, request.room_id)
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if not room:
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raise room_not_found_exception
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#res = crud.create_user_link_to_iot(db, request.user_id, request.iot_entity_id)
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res = crud.allow_user_room_access(db, request.user_id, request.room_id)
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if not res:
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raise HTTPException(status_code=500, detail="Could not complete operation")
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return request
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@app.post("/admin/users/disallowaccess/id", tags=['Admin'])
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def disallow_user_room_access_by_id(request: schemas.AllowRoomAccessRequestID,
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db: Session = Depends(get_db)):
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user = crud.get_user(db, request.user_id)
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if not user:
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raise user_not_found_exception
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room = crud.get_room(db, request.room_id)
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if not room:
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raise room_not_found_exception
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res = crud.disallow_user_room_access(db, request.user_id, request.room_id)
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if not res:
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raise HTTPException(status_code=500, detail="Could not complete operation")
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return
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@app.post("/admin/users/{user_id}/deactiveate", tags=['Admin'], description=str_not_implemented)
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def deactiveate_user(user_id: int, db:Session = Depends(get_db)):
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return
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@app.post("/admin/users/{user_id}/activeate", tags=['Admin'], description=str_not_implemented)
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def deactiveate_user(user_id: int, db:Session = Depends(get_db)):
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return
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@app.post("/admin/iotdevice/gentoken/", response_model=schemas.Token, tags=['Admin'])
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def generate_token_for_iot_device(bluetooth_mac : schemas.IotBluetoothMac,
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api_key: APIKey = Depends(auth_helper.valid_api_key)):
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# We get here after a valid admin key, so send back permenant token
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data = {"bluetooth_mac": bluetooth_mac.bluetooth_mac}
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tkn = auth_helper.create_iot_dev_token(data)
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return {"access_token": tkn, "token_type": "bearer"}
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@app.post("/admin/room/accesslog/", tags=['Admin'])
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def get_access_log_for_door(request : schemas.RoomAccessLogRequest,
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db : Session = Depends(get_db)):
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room = crud.get_room(db, request.room_id)
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if not room: raise room_not_found_exception
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return crud.get_access_log_for_room(db, request.room_id)
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@app.post("/admin/room/authrizedusers/", tags=['Admin'])
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def get_room_authrized_users(room: schemas.Room,
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db: Session = Depends(get_db)):
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room: models.Room = crud.get_room(db, room_id=room.id)
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return room.authorized_users
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@app.post("/admin/user/accesslog/room/", tags=['Admin'])
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def get_room_access_log_history_for_user(request : schemas.RoomAccessLogRequestUserID,
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db : Session = Depends(get_db)):
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user = crud.get_user(db, request.user_id)
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if not user: raise user_not_found_exception
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room = crud.get_room(db, request.room_id)
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if not room: raise room_not_found_exception
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return crud.get_room_access_log_for_user(db, request.user_id, request.room_id)
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@app.post("/admin/user/accesslog/room/username", tags=['Admin'])
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def get_room_access_log_history_for_user_by_username(request : schemas.RoomAccessLogRequestUserUsername,
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db : Session = Depends(get_db)):
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user = crud.get_user_by_username(db, request.username)
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if not user: raise user_not_found_exception
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return crud.get_room_access_log_for_user(db, user.id, request.room_id)
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@app.get("/users/acesslist/", response_model=List[schemas.Room], tags=['Users'])
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def get_room_access_list_for_user(db: Session = Depends(get_db),
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current_user: models.User = Depends(get_current_active_user)):
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# Can use the ORM method current_user.authrized_rooms pulls from database on demand...
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return current_user.authorized_rooms
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@app.get("/admin/roominfo/now/", response_model=schemas.IotMonitor, tags=['Admin'])
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def get_room_data(room : schemas.Room,
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db: Session = Depends(get_db)):
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monitor = crud.get_room_current_readings(db, room)
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return monitor
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@app.get("/admin/roominfo/now/all", response_model=List[schemas.IotMonitor], tags=['Admin'])
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def get_all_rooms_data(db: Session = Depends(get_db)):
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monitors = crud.get_monitors(db)
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return monitors
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@app.post("/users/open", tags=['Users'])
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def issue_open_door_command(request: schemas.OpenRoomRequest,
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db: Session = Depends(get_db),
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current_user: schemas.User = Depends(get_current_active_user)):
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#device = crud.open_door_request(db, request.room_id, request.time_seconds)
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#if not device: raise unauth_to_open # To no leak info
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user : models.User = crud.get_user(db, current_user.id)
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log_entry = schemas.DoorAccessLog(user_id=current_user.id,
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room_id=request.room_id,
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timestamp=datetime.now())
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res = crud.open_door_request(db, request=request)
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if not res: raise unauth_to_open
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crud.record_door_access_log(db, log_entry)
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return
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@app.post("/users/tkn", response_model=schemas.Token, tags=['Users'])
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@app.post("/tkn", response_model=schemas.Token, tags=['Users'])
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def login_for_access_token(form_data: OAuth2PasswordRequestForm = Depends(), db: Session = Depends(get_db)):
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user = auth_helper.authenticate_user(db, form_data.username, form_data.password)
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if not user:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Incorrect username or password",
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headers={"WWW-Authenticate": "Bearer"},
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)
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#access_token_expires = timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
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access_token = auth_helper.create_access_token(
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data={"sub": form_data.username}, expires_delta=timedelta(minutes=15)
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)
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return {"access_token": access_token, "token_type": "bearer"}
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@app.post("/iotdevice/door/status", response_model=schemas.IotDoor, tags=['Iot'])
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def polling_method_for_door(request: schemas.IotDoorPollingRequest,
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db: Session = Depends(get_db)):
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device: models.IotDoor = auth_helper.valid_iot_door_token(request.token, db)
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if not device:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Could not validate credentials")
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room : models.Room = crud.get_room_from_door(db, device)
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# Reset open_request to False
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#crud.clear_open_door_request(db, room_id=room.id) # Make response object to perserve values;
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return device
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@app.post("/iotdevice/monitor/status", tags=['Iot'])
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def polling_method_for_room_monitor(request: schemas.IotMonitorRoomInfo,
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db: Session = Depends(get_db)):
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device : schemas.IotMonitor = auth_helper.valid_iot_monitor_token(request.token, db)
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if not device:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Could not validate credentials")
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crud.record_room_sensor_data(db, request)
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return request |