62 lines
2.1 KiB
Python
62 lines
2.1 KiB
Python
import os
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import base64
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from datetime import datetime, timedelta
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from typing import Optional
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from jose import JWTError, jwt
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import bcrypt
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from Crypto.PublicKey import RSA
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from Crypto.Cipher import PKCS1_OAEP
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from fastapi import HTTPException
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from app.core.config import SECRET_KEY, ALGORITHM
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RSA_PRIVATE_KEY_PATH = "private.pem"
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RSA_PUBLIC_KEY_PATH = "public.pem"
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if not os.path.exists(RSA_PRIVATE_KEY_PATH) or not os.path.exists(RSA_PUBLIC_KEY_PATH):
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key = RSA.generate(2048)
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private_key = key.export_key()
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with open(RSA_PRIVATE_KEY_PATH, "wb") as file_out:
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file_out.write(private_key)
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public_key = key.publickey().export_key()
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with open(RSA_PUBLIC_KEY_PATH, "wb") as file_out:
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file_out.write(public_key)
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else:
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with open(RSA_PRIVATE_KEY_PATH, "rb") as f:
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private_key = f.read()
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with open(RSA_PUBLIC_KEY_PATH, "rb") as f:
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public_key = f.read()
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rsa_private_key = RSA.import_key(private_key)
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cipher_rsa = PKCS1_OAEP.new(rsa_private_key)
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def decrypt_password(encrypted_b64_password: str) -> str:
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try:
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encrypted_bytes = base64.b64decode(encrypted_b64_password)
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decrypted = cipher_rsa.decrypt(encrypted_bytes)
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return decrypted.decode("utf-8")
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except Exception as e:
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raise HTTPException(status_code=400, detail="Invalid RSA payload or decryption failed")
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def verify_password(plain_password, hashed_password):
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if isinstance(plain_password, str):
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plain_password = plain_password.encode('utf-8')
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if isinstance(hashed_password, str):
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hashed_password = hashed_password.encode('utf-8')
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return bcrypt.checkpw(plain_password, hashed_password)
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def get_password_hash(password):
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if isinstance(password, str):
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password = password.encode('utf-8')
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return bcrypt.hashpw(password, bcrypt.gensalt()).decode('utf-8')
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def create_access_token(data: dict, expires_delta: Optional[timedelta] = None):
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to_encode = data.copy()
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if expires_delta:
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expire = datetime.utcnow() + expires_delta
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else:
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expire = datetime.utcnow() + timedelta(minutes=15)
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to_encode.update({"exp": expire})
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return jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
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