103 lines
3.9 KiB
Python
103 lines
3.9 KiB
Python
from flask import Blueprint, jsonify, request, abort
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from flask_jwt_extended import create_access_token, set_access_cookies, jwt_required, get_jwt_identity, unset_jwt_cookies
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from models import User, db
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from werkzeug.security import check_password_hash, generate_password_hash
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user_bp = Blueprint('user_bp', __name__)
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def admin_required(user_id):
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user = User.query.get(user_id)
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if user is None or user.role != "Administrator":
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abort(403, {'error': f'Access denied.'})
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def validate_access(owner_id):
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# Check if user try to access or edit resource that does not belong to them
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logged_user_id = int(get_jwt_identity())
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logged_user_role = User.query.get(logged_user_id).role
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if logged_user_role != "Administrator" and logged_user_id != owner_id:
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abort(403, {'error': f'Access denied.'})
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@user_bp.errorhandler(403)
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def forbidden_error(error):
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response = jsonify(error.description)
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response.status_code = 403
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return response
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@user_bp.route('/users', methods=['GET'])
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@jwt_required()
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def get_all_users():
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admin_required(get_jwt_identity()) # only admin can get all users details
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users = User.query.all()
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return jsonify([user.to_dict() for user in users])
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@user_bp.route('/users/<int:user_id>', methods=['GET'])
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@jwt_required()
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def get_user(user_id):
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validate_access(user_id) # check if user tries to read other user account details
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user = User.query.get_or_404(user_id)
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return jsonify(user.to_dict())
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@user_bp.route('/users', methods=['POST'])
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def create_user():
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data = request.get_json()
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new_user_role = data['role']
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# Only administrator can create admin accounts
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if new_user_role == "Administrator":
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admin_required(get_jwt_identity())
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user = User(username=data['username'], email=data['email'], password=data['password'], role=new_user_role)
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db.session.add(user)
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db.session.commit()
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return jsonify(user.to_dict()), 201
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@user_bp.route('/users/<int:user_id>', methods=['PUT'])
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@jwt_required()
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def edit_user(user_id):
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request_data = request.get_json()
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user_to_update = User.query.get_or_404(user_id)
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request_username = request_data.get('username')
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request_email = request_data.get('email')
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validate_access(user_id) # check if user tries to edit other user account
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if request_username and request_email:
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user_to_update.username = request_username
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user_to_update.email = request_email
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db.session.commit()
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return jsonify(user_to_update.to_dict())
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else:
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return abort(400, {'error': 'Incomplete user data.'})
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@user_bp.route('/users/<int:user_id>', methods=['DELETE'])
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@jwt_required()
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def remove_user(user_id):
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validate_access(user_id) # Only admin can remove other users accounts
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user_to_delete = User.query.get_or_404(user_id)
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db.session.delete(user_to_delete)
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db.session.commit()
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return jsonify({"msg": "User removed successfully."})
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@user_bp.route('/login', methods=['POST'])
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def user_login():
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request_data = request.get_json()
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username = request_data['username']
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password = request_data['password']
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password_hash = generate_password_hash(password)
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user_from_db=User.query.filter(User.username == username).first()
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if user_from_db is not None:
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password_from_db = user_from_db.password
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else:
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return jsonify({"msg": "User failed login"})
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if password_from_db and check_password_hash(password_hash, password_from_db):
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access_token = create_access_token(identity=str(user_from_db.id))
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response = jsonify({"msg": "User logged in successfully."})
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set_access_cookies(response, access_token)
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return response
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else:
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return jsonify({"msg": "User failed login."})
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@user_bp.route('/logout', methods=['GET'])
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@jwt_required()
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def user_logout():
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response = jsonify({"msg": "User logged out successfully."})
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unset_jwt_cookies(response)
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return response |