AssetManager-V1.0- To be reviewed

Added jwt token generation using bearer

.env

@@ -7,7 +7,7 @@ SERVICE_PORT=8671
 PROJECT_NAME=AssetManager
 PROJECT_ID=1256
 
-base_path=scripts/
-sub_path=log/
+BASE_PATH=scripts/
+SUB_PATH=log/
 
 ENCODING_TYPE=utf-8
\ No newline at end of file

requirements.txt

@@ -4,4 +4,7 @@ pydantic~=1.10.6
 fastapi~=0.94.1
 passlib~=1.7.4
 pymongo~=4.3.3
-bcrypt~=4.0.1
+bcrypt~=4.0.1
\ No newline at end of file
+email-validator~=1.3.1
+pycryptodomex~=3.17
+PyJWT~=2.6.0
\ No newline at end of file

scripts/core/handlers/login_handler.py

 from __future__ import annotations
 
 import base64
-import datetime
+from datetime import datetime, timedelta
 
+import jwt
 from Cryptodome.Cipher import AES
 from passlib.context import CryptContext
 
@@ -20,8 +21,8 @@ class LoginHandlers:
         self.pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
         self.db_user_data = None
         self.db_user_data = None
-        self.dt = datetime.datetime.now()
-        self.time_dt = datetime.datetime.now()
+        self.dt = datetime.now()
+        self.time_dt = datetime.now()
 
     @staticmethod
     def un_pad(s):
@@ -115,3 +116,36 @@ class LoginHandlers:
             return None, {"username": login_data.username, "role": self.db_user_data["user_role"]}
         except Exception as e:
             logger.exception(e)
+
+    @staticmethod
+    def create_access_token(data: dict, expires_delta):
+        try:
+            # creating a copy of the data
+            to_encode = data.copy()
+            # checking if the expires_delta is empty
+            if expires_delta:
+                expire = datetime.utcnow() + expires_delta
+            else:
+                expire = datetime.utcnow() + timedelta(minutes=15)
+            # updating the data with the expiration time
+            to_encode.update({"expire": expire.isoformat()})
+            # creating the token
+            encoded_jwt = jwt.encode(to_encode, Services.SECRET_KEY, algorithm=Services.ALGORITHM)
+            return encoded_jwt
+        except Exception as e:
+            logger.exception(e)
+
+    def generate_tokens(self, login_data, data):
+        try:
+            # creating the expiration time
+            access_token_expires = timedelta(minutes=Services.ACCESS_TOKEN_EXPIRE_MINUTES)
+            # creating the access token
+            access_token = self.create_access_token(
+                data={"username": login_data.username, "role": data["role"]}, expires_delta=access_token_expires
+            )
+            if access_token:
+                return {"access_token": access_token, "token_type": "bearer"}
+            else:
+                return None
+        except Exception as e:
+            logger.exception(e)

scripts/errors/__init__.py

@@ -9,3 +9,4 @@ class ErrorMessages:
     ERROR_UNAUTHORIZED_USER_LOGIN = "Account is not available"
     ERROR_USER_NOT_REGISTERED = "Account is not registered in the portal."
     ERROR_PASSWORD_MISMATCH = "Passwords Authentication Failed. Please enter the correct password"
+    ERROR_TOKEN_GENERATION = "Unsuccessful token generation"

scripts/log/AssetManagerlog.log

@@ -25,3 +25,187 @@ TypeError: Object of type set is not JSON serializable
 2023-03-20 15:09:21 - INFO   - [MainThread:<module>(): 37] - App Starting at 0.0.0.0:8671
 2023-03-20 15:09:36 - INFO   - [MainThread:<module>(): 37] - App Starting at 0.0.0.0:8671
 2023-03-20 15:10:17 - INFO   - [MainThread:<module>(): 37] - App Starting at 0.0.0.0:8671
+2023-03-21 10:33:43 - INFO   - [MainThread:<module>(): 37] - App Starting at 0.0.0.0:8671
+2023-03-21 10:33:43 - ERROR  - [MainThread:<module>(): 41] - invalid syntax (jose.py, line 546)
+Traceback (most recent call last):
+  File "E:\Git\meta-services\app.py", line 39, in <module>
+    uvicorn.run("main:app", host=arguments["bind"], port=int(arguments["port"]))
+  File "E:\Git\meta-services\venv\lib\site-packages\uvicorn\main.py", line 568, in run
+    server.run()
+  File "E:\Git\meta-services\venv\lib\site-packages\uvicorn\server.py", line 59, in run
+    return asyncio.run(self.serve(sockets=sockets))
+  File "C:\Users\arun.uday\AppData\Local\Programs\Python\Python39\lib\asyncio\runners.py", line 44, in run
+    return loop.run_until_complete(main)
+  File "C:\Users\arun.uday\AppData\Local\Programs\Python\Python39\lib\asyncio\base_events.py", line 647, in run_until_complete
+    return future.result()
+  File "E:\Git\meta-services\venv\lib\site-packages\uvicorn\server.py", line 66, in serve
+    config.load()
+  File "E:\Git\meta-services\venv\lib\site-packages\uvicorn\config.py", line 471, in load
+    self.loaded_app = import_from_string(self.app)
+  File "E:\Git\meta-services\venv\lib\site-packages\uvicorn\importer.py", line 21, in import_from_string
+    module = importlib.import_module(module_str)
+  File "C:\Users\arun.uday\AppData\Local\Programs\Python\Python39\lib\importlib\__init__.py", line 127, in import_module
+    return _bootstrap._gcd_import(name[level:], package, level)
+  File "<frozen importlib._bootstrap>", line 1030, in _gcd_import
+  File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
+  File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked
+  File "<frozen importlib._bootstrap>", line 680, in _load_unlocked
+  File "<frozen importlib._bootstrap_external>", line 850, in exec_module
+  File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed
+  File "E:\Git\meta-services\main.py", line 17, in <module>
+    from scripts.services import router
+  File "E:\Git\meta-services\scripts\services\__init__.py", line 2, in <module>
+    from scripts.services import v1
+  File "E:\Git\meta-services\scripts\services\v1\__init__.py", line 3, in <module>
+    from scripts.services.v1 import iot_manager_services
+  File "E:\Git\meta-services\scripts\services\v1\iot_manager_services.py", line 5, in <module>
+    from scripts.core.handlers.login_handler import LoginHandlers
+  File "E:\Git\meta-services\scripts\core\handlers\login_handler.py", line 6, in <module>
+    from jose import jwt
+  File "E:\Git\meta-services\venv\lib\site-packages\jose.py", line 546
+    print decrypt(deserialize_compact(jwt), {'k':key},
+          ^
+SyntaxError: invalid syntax
+2023-03-21 10:33:53 - INFO   - [MainThread:<module>(): 37] - App Starting at 0.0.0.0:8671
+2023-03-21 10:33:53 - ERROR  - [MainThread:<module>(): 41] - invalid syntax (jose.py, line 546)
+Traceback (most recent call last):
+  File "E:\Git\meta-services\app.py", line 39, in <module>
+    uvicorn.run("main:app", host=arguments["bind"], port=int(arguments["port"]))
+  File "E:\Git\meta-services\venv\lib\site-packages\uvicorn\main.py", line 568, in run
+    server.run()
+  File "E:\Git\meta-services\venv\lib\site-packages\uvicorn\server.py", line 59, in run
+    return asyncio.run(self.serve(sockets=sockets))
+  File "C:\Users\arun.uday\AppData\Local\Programs\Python\Python39\lib\asyncio\runners.py", line 44, in run
+    return loop.run_until_complete(main)
+  File "C:\Users\arun.uday\AppData\Local\Programs\Python\Python39\lib\asyncio\base_events.py", line 647, in run_until_complete
+    return future.result()
+  File "E:\Git\meta-services\venv\lib\site-packages\uvicorn\server.py", line 66, in serve
+    config.load()
+  File "E:\Git\meta-services\venv\lib\site-packages\uvicorn\config.py", line 471, in load
+    self.loaded_app = import_from_string(self.app)
+  File "E:\Git\meta-services\venv\lib\site-packages\uvicorn\importer.py", line 21, in import_from_string
+    module = importlib.import_module(module_str)
+  File "C:\Users\arun.uday\AppData\Local\Programs\Python\Python39\lib\importlib\__init__.py", line 127, in import_module
+    return _bootstrap._gcd_import(name[level:], package, level)
+  File "<frozen importlib._bootstrap>", line 1030, in _gcd_import
+  File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
+  File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked
+  File "<frozen importlib._bootstrap>", line 680, in _load_unlocked
+  File "<frozen importlib._bootstrap_external>", line 850, in exec_module
+  File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed
+  File "E:\Git\meta-services\main.py", line 17, in <module>
+    from scripts.services import router
+  File "E:\Git\meta-services\scripts\services\__init__.py", line 2, in <module>
+    from scripts.services import v1
+  File "E:\Git\meta-services\scripts\services\v1\__init__.py", line 3, in <module>
+    from scripts.services.v1 import iot_manager_services
+  File "E:\Git\meta-services\scripts\services\v1\iot_manager_services.py", line 5, in <module>
+    from scripts.core.handlers.login_handler import LoginHandlers
+  File "E:\Git\meta-services\scripts\core\handlers\login_handler.py", line 6, in <module>
+    from jose import jwt
+  File "E:\Git\meta-services\venv\lib\site-packages\jose.py", line 546
+    print decrypt(deserialize_compact(jwt), {'k':key},
+          ^
+SyntaxError: invalid syntax
+2023-03-21 10:35:00 - INFO   - [MainThread:<module>(): 37] - App Starting at 0.0.0.0:8671
+2023-03-21 10:35:01 - ERROR  - [MainThread:<module>(): 41] - invalid syntax (jose.py, line 546)
+Traceback (most recent call last):
+  File "E:\Git\meta-services\app.py", line 39, in <module>
+    uvicorn.run("main:app", host=arguments["bind"], port=int(arguments["port"]))
+  File "E:\Git\meta-services\venv\lib\site-packages\uvicorn\main.py", line 568, in run
+    server.run()
+  File "E:\Git\meta-services\venv\lib\site-packages\uvicorn\server.py", line 59, in run
+    return asyncio.run(self.serve(sockets=sockets))
+  File "C:\Users\arun.uday\AppData\Local\Programs\Python\Python39\lib\asyncio\runners.py", line 44, in run
+    return loop.run_until_complete(main)
+  File "C:\Users\arun.uday\AppData\Local\Programs\Python\Python39\lib\asyncio\base_events.py", line 647, in run_until_complete
+    return future.result()
+  File "E:\Git\meta-services\venv\lib\site-packages\uvicorn\server.py", line 66, in serve
+    config.load()
+  File "E:\Git\meta-services\venv\lib\site-packages\uvicorn\config.py", line 471, in load
+    self.loaded_app = import_from_string(self.app)
+  File "E:\Git\meta-services\venv\lib\site-packages\uvicorn\importer.py", line 21, in import_from_string
+    module = importlib.import_module(module_str)
+  File "C:\Users\arun.uday\AppData\Local\Programs\Python\Python39\lib\importlib\__init__.py", line 127, in import_module
+    return _bootstrap._gcd_import(name[level:], package, level)
+  File "<frozen importlib._bootstrap>", line 1030, in _gcd_import
+  File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
+  File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked
+  File "<frozen importlib._bootstrap>", line 680, in _load_unlocked
+  File "<frozen importlib._bootstrap_external>", line 850, in exec_module
+  File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed
+  File "E:\Git\meta-services\main.py", line 17, in <module>
+    from scripts.services import router
+  File "E:\Git\meta-services\scripts\services\__init__.py", line 2, in <module>
+    from scripts.services import v1
+  File "E:\Git\meta-services\scripts\services\v1\__init__.py", line 3, in <module>
+    from scripts.services.v1 import iot_manager_services
+  File "E:\Git\meta-services\scripts\services\v1\iot_manager_services.py", line 5, in <module>
+    from scripts.core.handlers.login_handler import LoginHandlers
+  File "E:\Git\meta-services\scripts\core\handlers\login_handler.py", line 6, in <module>
+    from jose import jwt
+  File "E:\Git\meta-services\venv\lib\site-packages\jose.py", line 546
+    print decrypt(deserialize_compact(jwt), {'k':key},
+          ^
+SyntaxError: invalid syntax
+2023-03-21 10:35:51 - INFO   - [MainThread:<module>(): 37] - App Starting at 0.0.0.0:8671
+2023-03-21 10:35:52 - ERROR  - [MainThread:<module>(): 41] - type object 'datetime.datetime' has no attribute 'datetime'
+Traceback (most recent call last):
+  File "E:\Git\meta-services\app.py", line 39, in <module>
+    uvicorn.run("main:app", host=arguments["bind"], port=int(arguments["port"]))
+  File "E:\Git\meta-services\venv\lib\site-packages\uvicorn\main.py", line 568, in run
+    server.run()
+  File "E:\Git\meta-services\venv\lib\site-packages\uvicorn\server.py", line 59, in run
+    return asyncio.run(self.serve(sockets=sockets))
+  File "C:\Users\arun.uday\AppData\Local\Programs\Python\Python39\lib\asyncio\runners.py", line 44, in run
+    return loop.run_until_complete(main)
+  File "C:\Users\arun.uday\AppData\Local\Programs\Python\Python39\lib\asyncio\base_events.py", line 647, in run_until_complete
+    return future.result()
+  File "E:\Git\meta-services\venv\lib\site-packages\uvicorn\server.py", line 66, in serve
+    config.load()
+  File "E:\Git\meta-services\venv\lib\site-packages\uvicorn\config.py", line 471, in load
+    self.loaded_app = import_from_string(self.app)
+  File "E:\Git\meta-services\venv\lib\site-packages\uvicorn\importer.py", line 21, in import_from_string
+    module = importlib.import_module(module_str)
+  File "C:\Users\arun.uday\AppData\Local\Programs\Python\Python39\lib\importlib\__init__.py", line 127, in import_module
+    return _bootstrap._gcd_import(name[level:], package, level)
+  File "<frozen importlib._bootstrap>", line 1030, in _gcd_import
+  File "<frozen importlib._bootstrap>", line 1007, in _find_and_load
+  File "<frozen importlib._bootstrap>", line 986, in _find_and_load_unlocked
+  File "<frozen importlib._bootstrap>", line 680, in _load_unlocked
+  File "<frozen importlib._bootstrap_external>", line 850, in exec_module
+  File "<frozen importlib._bootstrap>", line 228, in _call_with_frames_removed
+  File "E:\Git\meta-services\main.py", line 17, in <module>
+    from scripts.services import router
+  File "E:\Git\meta-services\scripts\services\__init__.py", line 2, in <module>
+    from scripts.services import v1
+  File "E:\Git\meta-services\scripts\services\v1\__init__.py", line 3, in <module>
+    from scripts.services.v1 import iot_manager_services
+  File "E:\Git\meta-services\scripts\services\v1\iot_manager_services.py", line 14, in <module>
+    obj_login_handler = LoginHandlers()
+  File "E:\Git\meta-services\scripts\core\handlers\login_handler.py", line 24, in __init__
+    self.dt = datetime.datetime.now()
+AttributeError: type object 'datetime.datetime' has no attribute 'datetime'
+2023-03-21 10:36:26 - INFO   - [MainThread:<module>(): 37] - App Starting at 0.0.0.0:8671
+2023-03-21 10:37:03 - ERROR  - [AnyIO worker thread:login_default(): 44] - Object of type datetime is not JSON serializable
+Traceback (most recent call last):
+  File "E:\Git\meta-services\scripts\services\v1\iot_manager_services.py", line 37, in login_default
+    response = obj_login_handler.generate_tokens(login_data, data)
+  File "E:\Git\meta-services\scripts\core\handlers\login_handler.py", line 133, in generate_tokens
+    access_token = self.create_access_token(
+  File "E:\Git\meta-services\scripts\core\handlers\login_handler.py", line 128, in create_access_token
+    encoded_jwt = jwt.encode(to_encode, Services.SECRET_KEY, algorithm=Services.ALGORITHM)
+  File "E:\Git\meta-services\venv\lib\site-packages\jwt\api_jwt.py", line 63, in encode
+    json_payload = json.dumps(
+  File "C:\Users\arun.uday\AppData\Local\Programs\Python\Python39\lib\json\__init__.py", line 234, in dumps
+    return cls(
+  File "C:\Users\arun.uday\AppData\Local\Programs\Python\Python39\lib\json\encoder.py", line 199, in encode
+    chunks = self.iterencode(o, _one_shot=True)
+  File "C:\Users\arun.uday\AppData\Local\Programs\Python\Python39\lib\json\encoder.py", line 257, in iterencode
+    return _iterencode(o, 0)
+  File "C:\Users\arun.uday\AppData\Local\Programs\Python\Python39\lib\json\encoder.py", line 179, in default
+    raise TypeError(f'Object of type {o.__class__.__name__} '
+TypeError: Object of type datetime is not JSON serializable
+2023-03-21 10:40:09 - INFO   - [MainThread:<module>(): 37] - App Starting at 0.0.0.0:8671
+2023-03-21 10:40:46 - INFO   - [MainThread:<module>(): 37] - App Starting at 0.0.0.0:8671
+2023-03-21 10:46:22 - INFO   - [MainThread:<module>(): 37] - App Starting at 0.0.0.0:8671

scripts/services/v1/iot_manager_services.py

@@ -15,7 +15,7 @@ obj_login_handler = LoginHandlers()
 
 
 @router.post(ApiEndPoints.asset_manager_submit)
-def login_default(login_data: NormalLogin):
+async def login_default(login_data: NormalLogin):
     try:
         # decrypting the password from the UI
         decrypted_password = obj_login_handler.password_decrypt(login_data.password)
@@ -27,16 +27,25 @@ def login_default(login_data: NormalLogin):
                                 status_code=status.HTTP_400_BAD_REQUEST)
         # checking for the account and password matching
         response, data = obj_login_handler.db_password_matching(login_data, decrypted_password)
+        # if the user is not valid
         if response is not None and data["message"] == ErrorMessages.ERROR_UNAUTHORIZED_USER_LOGIN:
             return JSONResponse(content=DefaultFailureResponse(error=data).dict(),
                                 status_code=status.HTTP_404_NOT_FOUND)
+        # if the passwords doesn't match with the db data
         if response is not None:
             return JSONResponse(content=DefaultFailureResponse(error=data).dict(),
                                 status_code=status.HTTP_401_UNAUTHORIZED)
-
+        #  generating the access tokens
+        response = obj_login_handler.generate_tokens(login_data, data)
+        # token generation unsuccessful
+        if response is None:
+            return JSONResponse(
+                content=DefaultFailureResponse(message="Access Unsuccessful",
+                                               error=ErrorMessages.ERROR_TOKEN_GENERATION).dict(),
+                status_code=status.HTTP_403_FORBIDDEN)
         # sending successful response to UI
         return JSONResponse(
-            content=DefaultResponse(message="Login Successful", payload=data).dict(),
+            content=DefaultResponse(message="Login Successful", payload=response).dict(),
             status_code=status.HTTP_200_OK)
     except Exception as e:
         logger.exception(e)