auto-commit for 8a62051e-b038-4363-a62d-7047e3d6e102

backend/auth.py

@@ -0,0 +1,57 @@
+from datetime import datetime, timedelta
+from typing import Optional
+from jose import JWTError, jwt
+from passlib.context import CryptContext
+from fastapi import HTTPException, Security, Depends
+from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
+import os
+
+# JWT Configuration
+SECRET_KEY = os.environ.get("JWT_SECRET_KEY", "your-secret-key-change-in-production-epic-travel-2025")
+ALGORITHM = "HS256"
+ACCESS_TOKEN_EXPIRE_MINUTES = 1440  # 24 hours
+
+# Password hashing
+pwd_context = CryptContext(schemes=["bcrypt"], deprecated="auto")
+
+# Security
+security = HTTPBearer()
+
+def hash_password(password: str) -> str:
+    """Hash a password"""
+    return pwd_context.hash(password)
+
+def verify_password(plain_password: str, hashed_password: str) -> bool:
+    """Verify a password against a hash"""
+    return pwd_context.verify(plain_password, hashed_password)
+
+def create_access_token(data: dict, expires_delta: Optional[timedelta] = None) -> str:
+    """Create a JWT access token"""
+    to_encode = data.copy()
+    if expires_delta:
+        expire = datetime.utcnow() + expires_delta
+    else:
+        expire = datetime.utcnow() + timedelta(minutes=ACCESS_TOKEN_EXPIRE_MINUTES)
+    
+    to_encode.update({"exp": expire})
+    encoded_jwt = jwt.encode(to_encode, SECRET_KEY, algorithm=ALGORITHM)
+    return encoded_jwt
+
+def decode_access_token(token: str) -> dict:
+    """Decode and verify a JWT token"""
+    try:
+        payload = jwt.decode(token, SECRET_KEY, algorithms=[ALGORITHM])
+        return payload
+    except JWTError:
+        raise HTTPException(status_code=401, detail="Could not validate credentials")
+
+async def get_current_admin(credentials: HTTPAuthorizationCredentials = Security(security)) -> dict:
+    """Dependency to get current admin from JWT token"""
+    token = credentials.credentials
+    payload = decode_access_token(token)
+    
+    email: str = payload.get("sub")
+    if email is None:
+        raise HTTPException(status_code=401, detail="Invalid authentication credentials")
+    
+    return {"email": email}