e122f16dea
Features implemented: - User authentication with JWT tokens and role-based access (developer/buyer) - Blockchain wallet linking and management with Ethereum integration - Carbon project creation and management for developers - Marketplace for browsing and purchasing carbon offsets - Transaction tracking with blockchain integration - Database models for users, projects, offsets, and transactions - Comprehensive API with authentication, wallet, project, and trading endpoints - Health check endpoint and platform information - SQLite database with Alembic migrations - Full API documentation with OpenAPI/Swagger Technical stack: - FastAPI with Python - SQLAlchemy ORM with SQLite - Web3.py for blockchain integration - JWT authentication with bcrypt - CORS enabled for frontend integration - Comprehensive error handling and validation Environment variables required: - SECRET_KEY (JWT secret) - BLOCKCHAIN_RPC_URL (optional, defaults to localhost)
57 lines
1.7 KiB
Python
57 lines
1.7 KiB
Python
from typing import Generator, Optional
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from fastapi import Depends, HTTPException, status
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from fastapi.security import HTTPBearer, HTTPAuthorizationCredentials
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from sqlalchemy.orm import Session
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from app.db.session import get_db
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from app.core.security import verify_token
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from app.models.user import User
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security = HTTPBearer()
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def get_current_user(
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db: Session = Depends(get_db),
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credentials: HTTPAuthorizationCredentials = Depends(security)
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) -> User:
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token = credentials.credentials
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user_id = verify_token(token)
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if user_id is None:
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raise HTTPException(
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status_code=status.HTTP_401_UNAUTHORIZED,
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detail="Invalid authentication credentials",
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headers={"WWW-Authenticate": "Bearer"},
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)
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user = db.query(User).filter(User.id == int(user_id)).first()
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if user is None:
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raise HTTPException(
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status_code=status.HTTP_404_NOT_FOUND,
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detail="User not found"
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)
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if not user.is_active:
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raise HTTPException(
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status_code=status.HTTP_400_BAD_REQUEST,
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detail="Inactive user"
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)
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return user
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def get_current_developer(
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current_user: User = Depends(get_current_user)
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) -> User:
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if current_user.user_type != "developer":
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="Access denied: Developer role required"
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)
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return current_user
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def get_current_buyer(
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current_user: User = Depends(get_current_user)
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) -> User:
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if current_user.user_type != "buyer":
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raise HTTPException(
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status_code=status.HTTP_403_FORBIDDEN,
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detail="Access denied: Buyer role required"
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)
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return current_user |