The following is python code for login function:
- user model
- login fastapi
from pydantic import BaseModel
class User(BaseModel):
user_name: str
real_name: str
password: str
phone_number: str
email: str
car_number: int
car_color: str
car_type: str
# car_license: str
homeroom: str
user_type: str
warning: list[str]
penalty: int
class User_login(BaseModel):
username: str
password: str
class email(BaseModel):
email:str
class EP(BaseModel):
email: str
password: str
@router.post("/login", response_model=Token)
async def user_login(login_user: OAuth2PasswordRequestForm = Depends()):
user = router.database.user.find_one({"user_name": login_user.username})
if not user:
return {"message: No such username exist."}
verified = Hash.verify(user["password"], login_user.password)
if verified == False:
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
detail="Incorrect username or password",
headers={"WWW-Authenticate": "Bearer"},
)
else:
access_token_expires = timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
access_token = create_access_token(
data={"sub": user["email"]}, expires_delta=access_token_expires
)
return {"access_token": access_token, "token_type": "bearer"}
#logout
The following code is flutter code:
- function
- receiving
Future<Map> saveTwo(
String inputusername,
String inputpassword,
) async {
final Map<String, String> userData = {
'user_name': inputusername,
'password': inputpassword,
};
final response = await Dio().post(
'http://10.0.2.2:8000/users/login',
data: jsonEncode(userData),
);
// await http.post(
// Uri.parse('http://10.0.2.2:8000/user/login'),
// headers: <String, String>{
// 'Content-Type': 'application/json; charset=UTF-8',
// },
// body: jsonEncode(userData),
// );
if (response.statusCode == 401) {
print('Response body for 401 error: ${response.data}');
} else if (response.statusCode == 404) {
print('Response body for 404 error: ${response.data}');
} else if (response.statusCode == 200) {
print('success');
} else {
print("other error");
}
return response.data;
}
FutureBuilder(
future: saveTwo(usernameEditingController.text,
passwordEditingController.text),
builder: (context, snapshot) {
return Container(
height: 50,
width: 250,
decoration: BoxDecoration(
color: Colors.blue,
borderRadius: BorderRadius.circular(20)),
child: TextButton(
onPressed: () {
print(snapshot.data.toString());
if (checking()) {
switch (snapshot.data) {
case "message: No such username exist.":
showDialog(
context: context,
builder: (BuildContext context) =>
AlertDialog(
title: const Text('Login failed'),
content:
const Text('Password is not match'),
actions: <Widget>[
TextButton(
onPressed: () =>
Navigator.pop(context, 'OK'),
child: const Text('OK'),
),
],
));
break;
default:
Provider.of<UserInformationProvider>(context,
listen: false)
.changeId(
usernameEditingController.text,
);
Provider.of<UserInformationProvider>(context,
listen: false)
.changeId(
passwordEditingController.text,
);
Get.offAll(() => Homescreen());
}
} else {
showDialog(
context: context,
builder: (BuildContext context) => AlertDialog(
title: const Text('Input error'),
content: const Text('Please type all the value.'),
actions: <Widget>[
TextButton(
onPressed: () =>
Navigator.pop(context, 'OK'),
child: const Text('OK'),
),
],
),
);
}
// if (checking()) {
// save(
// usernameEditingController.text,
// passwordEditingController.text,
// );
// print('##### Token information : ${save(
// usernameEditingController.text,
// passwordEditingController.text,
// ).toString()} #####');
// Provider.of<UserInformationProvider>(context, listen: false)
// .changeId(
// usernameEditingController.text,
// );
// Provider.of<UserInformationProvider>(context, listen: false)
// .changeId(
// passwordEditingController.text,
// );
// Get.offAll(() => Homescreen());
// } else {
// showDialog(
// context: context,
// builder: (BuildContext context) => AlertDialog(
// title: const Text('Input error'),
// content: const Text('Please type all the value.'),
// actions: <Widget>[
// TextButton(
// onPressed: () => Navigator.pop(context, 'OK'),
// child: const Text('OK'),
// ),
// ],
// ),
// );
// }
},
child: Text(
'Login',
style: TextStyle(
color: Colors.white,
fontSize: 20,
fontWeight: FontWeight.bold),
)));
}),
Through flutter, I am sending id, pw through dio, post method. But the response showed the 404 not found error. I don't know wheter I should authorize my flutter emulator or not.