Coverage for docs_src/security/tutorial003_py310.py: 100%

1from fastapi import Depends, FastAPI, HTTPException, status 3 ctx1abc

2from fastapi.security import OAuth2PasswordBearer, OAuth2PasswordRequestForm 3 ctx1abc

3from pydantic import BaseModel 3 ctx1abc

4 

5fake_users_db = { 3 ctx1abc

6 "johndoe": { 

7 "username": "johndoe", 

8 "full_name": "John Doe", 

9 "email": "johndoe@example.com", 

10 "hashed_password": "fakehashedsecret", 

11 "disabled": False, 

12 }, 

13 "alice": { 

14 "username": "alice", 

15 "full_name": "Alice Wonderson", 

16 "email": "alice@example.com", 

17 "hashed_password": "fakehashedsecret2", 

18 "disabled": True, 

19 }, 

20} 

21 

22app = FastAPI() 3 ctx1abc

23 

24 

25def fake_hash_password(password: str): 3 ctx1abc

26 return "fakehashed" + password 3 ctx1abc

27 

28 

29oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token") 3 ctx1abc

30 

31 

32class User(BaseModel): 3 ctx1abc

33 username: str 3 ctx1abc

34 email: str | None = None 3 ctx1abc

35 full_name: str | None = None 3 ctx1abc

36 disabled: bool | None = None 3 ctx1abc

37 

38 

39class UserInDB(User): 3 ctx1abc

40 hashed_password: str 3 ctx1abc

41 

42 

43def get_user(db, username: str): 3 ctx1abc

44 if username in db: 3 ctx1abc

45 user_dict = db[username] 3 ctx1abc

46 return UserInDB(**user_dict) 3 ctx1abc

47 

48 

49def fake_decode_token(token): 3 ctx1abc

50 # This doesn't provide any security at all 

51 # Check the next version 

52 user = get_user(fake_users_db, token) 3 ctx1abc

53 return user 3 ctx1abc

54 

55 

56async def get_current_user(token: str = Depends(oauth2_scheme)): 3 ctx1abc

57 user = fake_decode_token(token) 3 ctx1abc

58 if not user: 3 ctx1abc

59 raise HTTPException( 3 ctx1abc

60 status_code=status.HTTP_401_UNAUTHORIZED, 

61 detail="Invalid authentication credentials", 

62 headers={"WWW-Authenticate": "Bearer"}, 

63 ) 

64 return user 3 ctx1abc

65 

66 

67async def get_current_active_user(current_user: User = Depends(get_current_user)): 3 ctx1abc

68 if current_user.disabled: 3 ctx1abc

69 raise HTTPException(status_code=400, detail="Inactive user") 3 ctx1abc

70 return current_user 3 ctx1abc

71 

72 

73@app.post("/token") 3 ctx1abc

74async def login(form_data: OAuth2PasswordRequestForm = Depends()): 3 ctx1abc

75 user_dict = fake_users_db.get(form_data.username) 3 ctx1abc

76 if not user_dict: 3 ctx1abc

77 raise HTTPException(status_code=400, detail="Incorrect username or password") 3 ctx1abc

78 user = UserInDB(**user_dict) 3 ctx1abc

79 hashed_password = fake_hash_password(form_data.password) 3 ctx1abc

80 if not hashed_password == user.hashed_password: 3 ctx1abc

81 raise HTTPException(status_code=400, detail="Incorrect username or password") 3 ctx1abc

82 

83 return {"access_token": user.username, "token_type": "bearer"} 3 ctx1abc

84 

85 

86@app.get("/users/me") 3 ctx1abc

87async def read_users_me(current_user: User = Depends(get_current_active_user)): 3 ctx1abc

88 return current_user 3 ctx1abc