ibs/sql_app/main.py
HeshamTB 2b4d3bf7f5 sql_app: Implemented access list counter:
A counter is associated with every
	Iot Device. The counter is always increment
	when a user is allowed or disallowed to use
	the device, hence, ensuring coherency.
	It is also now exposed in the
	IotDoorPollingRequest schema, enabling the
	Iot Device to fetch the new access list.

Signed-off-by: HeshamTB <hishaminv@gmail.com>
2022-06-06 16:38:35 +03:00

263 lines
12 KiB
Python

from fastapi import Depends, FastAPI, HTTPException, status
from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm, OAuth2AuthorizationCodeBearer
from fastapi.security.api_key import APIKey
from sqlalchemy.orm import Session
from . import crud, models, schemas, auth_helper
from .database import SessionLocal, engine
from typing import List
from datetime import timedelta, datetime
import jwt
models.Base.metadata.create_all(bind=engine)
oauth = OAuth2PasswordBearer(tokenUrl="tkn")
app = FastAPI(title="IoT Building System")
def get_db():
db = SessionLocal()
try:
yield db
finally:
db.close()
def get_current_user(token: str = Depends(oauth), db: Session = Depends(get_db)):
credentials_exception = HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Could not validate credentials",
headers={"WWW-Authenticate": "Bearer"},
)
try:
payload = jwt.decode(token, auth_helper.JWT_SECRET, algorithms=[auth_helper.JWT_ALGO])
username: str = payload.get("sub")
if username is None:
raise credentials_exception
token_data = schemas.TokenData(username=username)
except jwt.PyJWTError:
raise credentials_exception
user = crud.get_user_by_username(db, username=token_data.username)
if user is None:
raise credentials_exception
return user
def get_current_active_user(current_user: schemas.User = Depends(get_current_user)):
if not current_user.is_active:
raise HTTPException(status_code=400, detail="Inactive user")
return current_user
def get_current_iot_device(current_device: schemas.IotBluetoothMac = Depends(),
db: Session = Depends(get_db)):
credentials_exception = HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Could not validate credentials",
headers={"WWW-Authenticate": "Bearer"},
)
payload = jwt.decode(token, auth_helper.JWT_SECRET, algorithms=[auth_helper.JWT_ALGO])
mac_signed = payload.get("bluetooth_mac")
if (mac_signed != current_device): raise credentials_exception
device = crud.get_iot_entity_by_bluetooth_mac(db, mac_signed)
return device
@app.post("/users/reg", response_model=schemas.User, tags=['Users'])
def create_user(user: schemas.UserCreate, db: Session = Depends(get_db)):
db_user = crud.get_user_by_email(db, email=user.email)
if db_user:
raise HTTPException(status_code=400, detail="Email already registered")
db_user = crud.get_user_by_username(db, username=user.username)
if db_user:
raise HTTPException(status_code=400, detail="Username already registerd")
return crud.create_user(db=db, user=user)
@app.get("/users/me/", response_model=schemas.User, tags=['Users'])
def get_user_details(current_user: schemas.User = Depends(get_current_active_user)):
return current_user
@app.get("/admin/users/", response_model=List[schemas.User], tags=['Admin'])
def read_users(skip: int = 0, limit: int = 100, db: Session = Depends(get_db)):
users = crud.get_users(db, skip=skip, limit=limit)
return users
@app.get("/admin/iotentities/", response_model=List[schemas.IotEntity], tags=['Admin'])
def read_iot_entities(skip: int = 0, limit: int = 100, db: Session = Depends(get_db)):
iot_entities = crud.get_iot_entities(db, skip=skip, limit=limit)
return iot_entities
# TODO: Can duplicate
@app.post("/admin/iotentities/create", response_model=schemas.IotEntity, tags=['Admin'])
def create_iot_entities(iot_entity: schemas.IotEntityCreate, db: Session = Depends(get_db)):
iot_entities = crud.create_iot_entity(db, iot_entity)
return iot_entities
@app.get("/admin/users/{user_id}", response_model=schemas.User, tags=['Admin'])
def read_user(user_id: int, db: Session = Depends(get_db)):
db_user = crud.get_user(db, user_id=user_id)
if db_user is None:
raise HTTPException(status_code=404, detail="User not found")
return db_user
@app.post("/admin/users/allowdevice/id", tags=['Admin'])
def allow_user_for_iot_entity_by_id(request: schemas.UserAllowForIotEntityRequestByID, db: Session = Depends(get_db)):
user = crud.get_user(db, request.user_id)
if not user:
raise HTTPException(status_code=404, detail="User not found")
iot_entity = crud.get_iot_entity(db, request.iot_entity_id)
if not iot_entity:
raise HTTPException(status_code=404, detail="Iot Entity not found")
res = crud.create_user_link_to_iot(db, request.user_id, request.iot_entity_id)
if not res:
raise HTTPException(status_code=500, detail="Could not complete operation")
crud.increment_door_access_list_counter(db, iot_entity)
return
@app.post("/admin/users/disallowdevice/id", tags=['Admin'])
def disallow_user_for_iot_entity_by_id(request: schemas.UserAllowForIotEntityRequestByID, db: Session = Depends(get_db)):
user = crud.get_user(db, request.user_id)
if not user:
raise HTTPException(status_code=404, detail="User not found")
iot_entity = crud.get_iot_entity(db, request.iot_entity_id)
if not iot_entity:
raise HTTPException(status_code=404, detail="Iot Entity not found")
res = crud.remove_user_link_to_iot(db, request.user_id, request.iot_entity_id)
if not res:
raise HTTPException(status_code=500, detail="Could not complete operation")
crud.increment_door_access_list_counter(db, iot_entity)
return
@app.post("/admin/users/allowdevice/name", tags=['Admin'])
def allow_user_for_iot_entity_by_name(request: schemas.UserAllowForIotEntityRequestByUsername, db: Session = Depends(get_db)):
user = crud.get_user_by_username(db, request.username)
if not user:
raise HTTPException(status_code=404, detail="User not found")
iot_entity = crud.get_iot_entity_by_description(db, request.description)
if not iot_entity:
raise HTTPException(status_code=404, detail="Iot Entity not found")
res = crud.create_user_link_to_iot(db, user.id, iot_entity.id)
if not res:
raise HTTPException(status_code=500, detail="Could not complete operation")
return
@app.post("/admin/users/{user_id}/deactiveate", tags=['Admin'])
def deactiveate_user(user_id: int, db:Session = Depends(get_db)):
return
@app.post("/admin/users/{user_id}/activeate", tags=['Admin'])
def deactiveate_user(user_id: int, db:Session = Depends(get_db)):
return
@app.post("/admin/iotdevice/gentoken/", response_model=schemas.Token, tags=['Admin'])
def generate_token_for_iot_device(bluetooth_mac : schemas.IotBluetoothMac,
api_key: APIKey = Depends(auth_helper.valid_api_key)):
# We get here after a valid admin key, so send back permenant token
data = {"bluetooth_mac": bluetooth_mac.bluetooth_mac}
tkn = auth_helper.create_iot_dev_token(data)
return {"access_token": tkn, "token_type": "bearer"}
@app.post("/admin/iotdevice/accesslog/", tags=['Admin'])
def get_access_log_for_door(request : schemas.AccessLogRequest,
db : Session = Depends(get_db)):
device = crud.get_iot_entity_by_bluetooth_mac(db, request.bluetooth_mac)
if not device: raise HTTPException(status_code=404, detail="Iot Entity not found")
return crud.get_access_log_for_door_by_door_mac(db, request.bluetooth_mac)
@app.post("/admin/user/accesslog/email/", tags=['Admin'])
def get_access_log_history_for_user(request : schemas.UserAccessLogRequestEmail,
db : Session = Depends(get_db)):
user = crud.get_user_by_email(db, request.email)
if not user: raise HTTPException(status_code=404, detail="User not found")
return crud.get_access_log_for_user_by_id(db, user.id)
@app.post("/admin/user/accesslog/username/", tags=['Admin'])
def get_access_log_history_for_user(request : schemas.UserAccessLogRequestUsername,
db : Session = Depends(get_db)):
user = crud.get_user_by_username(db, request.username)
if not user: raise HTTPException(status_code=404, detail="User not found")
return crud.get_access_log_for_user_by_id(db, user.id)
@app.get("/users/acesslist/", response_model=List[schemas.IotEntity], tags=['Users'])
def get_iot_access_list_for_user(db: Session = Depends(get_db), current_user: schemas.User = Depends(get_current_active_user)):
user = crud.get_user_by_username(db, current_user.username)
return user.authorized_devices
@app.get("/admin/roominfo/now/", tags=['Admin'])
def get_room_data(db: Session = Depends(get_db)):
return crud.get_room_data_now(db)
@app.post("/users/open", tags=['Users'])
def issue_open_door_command(command: schemas.OpenDoorRequestTime,
db: Session = Depends(get_db),
current_user: schemas.User = Depends(get_current_active_user)):
err = HTTPException(status_code=status.HTTP_401_UNAUTHORIZED,
detail="Unauthrized to open")
device = crud.get_iot_entity_by_bluetooth_mac(db, command.bluetooth_mac)
if not device: raise err
# TODO: Use database search rather then this linear search
user = crud.get_user(db, current_user.id)
for dev in user.authorized_devices:
if dev.bluetooth_mac == device.bluetooth_mac:
crud.set_open_door_request(db, device.id, command.time_seconds)
log_entry = schemas.DoorAccessLog(user_id=current_user.id,
door_bluetooth_mac=command.bluetooth_mac,
time=datetime.now())
crud.record_door_access_log(db, log_entry)
return device
raise err
@app.post("/users/tkn", response_model=schemas.Token, tags=['Users'])
@app.post("/tkn", response_model=schemas.Token, tags=['Users'])
def login_for_access_token(form_data: OAuth2PasswordRequestForm = Depends(), db: Session = Depends(get_db)):
user = auth_helper.authenticate_user(db, form_data.username, form_data.password)
if not user:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Incorrect username or password",
headers={"WWW-Authenticate": "Bearer"},
)
#access_token_expires = timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
access_token = auth_helper.create_access_token(
data={"sub": form_data.username}, expires_delta=timedelta(minutes=15)
)
crud.set_user_last_token(db, form_data.username, access_token)
return {"access_token": access_token, "token_type": "bearer"}
@app.post("/iotdevice/door/status", response_model=schemas.IotDoorPollingResponse, tags=['Iot'])
def polling_method_for_iot_entity(request: schemas.IotDoorPollingRequest,
db: Session = Depends(get_db)):
device: schemas.IotEntity = auth_helper.valid_iot_token(request.token, db)
if not device:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Could not validate credentials")
response : schemas.IotDoorPollingResponse = schemas.IotDoorPollingResponse(
open_command=device.open_request,
acces_list_counter=0,
time_seconds=device.time_seconds)
# Reset open_request to False
crud.clear_open_door_request(db, device.id)
return response
@app.post("/iotdevice/monitor/status", tags=['Iot'])
def polling_method_for_room_monitor(request: schemas.IotMonitorRoomInfo,
db: Session = Depends(get_db)):
device : schemas.IotEntity = auth_helper.valid_iot_token(request.token, db)
if not device:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Could not validate credentials")
crud.record_room_sensor_data(db, request)
return request