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Create jwt_handler.py
Browse files- utils/jwt_handler.py +85 -0
utils/jwt_handler.py
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# @title utils/jwt_handler.py
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import json
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import base64
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from typing import Optional, Dict, Any
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class JWTHandler:
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"""
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Klasa do obs艂ugi token贸w JWT i ekstrakcji GroupID.
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"""
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@staticmethod
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def decode_jwt(jwt_token: str) -> Optional[Dict[str, Any]]:
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"""
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Dekoduje token JWT i zwraca payload.
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Args:
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jwt_token: Token JWT do zdekodowania
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Returns:
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Dict z danymi z payloadu lub None w przypadku b艂臋du
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"""
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try:
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# Token JWT sk艂ada si臋 z 3 cz臋艣ci oddzielonych kropkami
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header, payload, signature = jwt_token.split('.')
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# Dekoduj payload
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# Uzupe艂nij padding je艣li potrzebny
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padding = 4 - (len(payload) % 4)
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if padding != 4:
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payload = payload + ('=' * padding)
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# Zamie艅 znaki specjalne
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payload = payload.replace('-', '+').replace('_', '/')
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# Dekoduj Base64
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decoded_bytes = base64.b64decode(payload)
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decoded_str = decoded_bytes.decode('utf-8')
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# Parsuj JSON
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payload_data = json.loads(decoded_str)
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return payload_data
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except Exception as e:
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print(f"B艂膮d dekodowania JWT: {str(e)}")
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return None
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@staticmethod
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def extract_group_id(jwt_token: str) -> Optional[str]:
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"""
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Ekstrahuje GroupID z tokenu JWT.
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Args:
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jwt_token: Token JWT
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Returns:
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GroupID lub None w przypadku b艂臋du
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"""
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try:
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payload = JWTHandler.decode_jwt(jwt_token)
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if payload and 'GroupID' in payload:
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return payload['GroupID']
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# Sprawd藕 alternatywne pole
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elif payload and 'GroupId' in payload:
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return payload['GroupId']
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return None
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except Exception as e:
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print(f"B艂膮d ekstrakcji GroupID: {str(e)}")
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return None
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@staticmethod
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def validate_jwt(jwt_token: str) -> bool:
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"""
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Sprawdza czy token JWT jest poprawny i zawiera GroupID.
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Args:
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jwt_token: Token JWT do walidacji
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Returns:
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True je艣li token jest poprawny i zawiera GroupID
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"""
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try:
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payload = JWTHandler.decode_jwt(jwt_token)
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return payload is not None and 'GroupID' in payload
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except:
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return False
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