148 lines
5.6 KiB
Python
148 lines
5.6 KiB
Python
from datetime import timedelta, datetime as dt, timezone as tz
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from flask_restx import Namespace, Resource, fields
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from flask_jwt_extended import create_access_token, verify_jwt_in_request, get_jwt
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from common.models.user import Tenant, TenantProject
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from common.extensions import simple_encryption
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from flask import current_app, request
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auth_ns = Namespace('auth', description='Authentication related operations')
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token_model = auth_ns.model('Token', {
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'tenant_id': fields.Integer(required=True, description='Tenant ID'),
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'api_key': fields.String(required=True, description='API Key')
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})
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token_response = auth_ns.model('TokenResponse', {
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'access_token': fields.String(description='JWT access token'),
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'expires_in': fields.Integer(description='Token expiration time in seconds')
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})
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token_verification = auth_ns.model('TokenVerification', {
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'is_valid': fields.Boolean(description='Token validity status'),
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'expires_in': fields.Integer(description='Seconds until token expiration'),
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'tenant_id': fields.Integer(description='Tenant ID from token')
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})
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@auth_ns.route('/token')
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class Token(Resource):
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@auth_ns.expect(token_model)
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@auth_ns.response(200, 'Success', token_response)
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@auth_ns.response(400, 'Validation Error')
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@auth_ns.response(401, 'Unauthorized')
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@auth_ns.response(404, 'Tenant Not Found')
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def post(self):
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"""
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Get JWT token
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"""
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current_app.logger.debug(f'Token Requested {auth_ns.payload}')
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try:
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tenant_id = int(auth_ns.payload['tenant_id'])
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api_key = auth_ns.payload['api_key']
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except KeyError as e:
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current_app.logger.error(f"Missing required field: {e}")
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return {'message': f"Missing required field: {e}"}, 400
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tenant = Tenant.query.get(tenant_id)
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if not tenant:
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current_app.logger.error(f"Tenant not found: {tenant_id}")
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return {'message': f"Authentication invalid for tenant {tenant_id}"}, 404
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projects = TenantProject.query.filter_by(
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tenant_id=tenant_id,
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active=True
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).all()
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# Find project with matching API key
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matching_project = None
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for project in projects:
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try:
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decrypted_key = simple_encryption.decrypt_api_key(project.encrypted_api_key)
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if decrypted_key == api_key:
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matching_project = project
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break
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except Exception as e:
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current_app.logger.error(f"Error decrypting API key for project {project.id}: {e}")
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continue
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if not matching_project:
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current_app.logger.error(f"Project for given API key not found for Tenant: {tenant_id}")
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return {'message': "Invalid API key"}, 401
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if "DOCAPI" not in matching_project.services:
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current_app.logger.error(f"Service DOCAPI not authorized for Project {matching_project.name} "
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f"for Tenant: {tenant_id}")
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return {'message': f"Service DOCAPI not authorized for Project {matching_project.name}"}, 403
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# Get the JWT_ACCESS_TOKEN_EXPIRES setting from the app config
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expires_delta = current_app.config.get('JWT_ACCESS_TOKEN_EXPIRES', timedelta(minutes=15))
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try:
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access_token = create_access_token(identity=tenant_id, expires_delta=expires_delta)
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return {
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'access_token': access_token,
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'expires_in': expires_delta.total_seconds()
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}, 200
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except Exception as e:
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current_app.logger.error(f"Error creating access token: {e}")
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return {'message': "Internal server error"}, 500
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@auth_ns.route('/verify')
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class TokenVerification(Resource):
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@auth_ns.doc('verify_token')
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@auth_ns.response(200, 'Token verification result', token_verification)
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@auth_ns.response(401, 'Invalid token')
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def get(self):
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"""Verify a token's validity and get expiration information"""
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try:
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verify_jwt_in_request()
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jwt_data = get_jwt()
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# Get expiration timestamp from token
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exp_timestamp = jwt_data['exp']
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current_timestamp = dt.now().timestamp()
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return {
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'is_valid': True,
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'expires_in': int(exp_timestamp - current_timestamp),
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'tenant_id': jwt_data['sub'] # tenant_id is stored in 'sub' claim
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}, 200
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except Exception as e:
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current_app.logger.error(f"Token verification failed: {str(e)}")
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return {
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'is_valid': False,
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'message': 'Invalid token'
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}, 401
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@auth_ns.route('/refresh')
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class TokenRefresh(Resource):
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@auth_ns.doc('refresh_token')
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@auth_ns.response(200, 'New token', token_response)
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@auth_ns.response(401, 'Invalid token')
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def post(self):
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"""Get a new token before the current one expires"""
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try:
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verify_jwt_in_request()
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jwt_data = get_jwt()
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tenant_id = jwt_data['sub']
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# Optional: Add additional verification here if needed
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# Create new token
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expires_delta = current_app.config.get('JWT_ACCESS_TOKEN_EXPIRES', timedelta(minutes=15))
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new_token = create_access_token(
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identity=tenant_id,
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expires_delta=expires_delta
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)
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return {
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'access_token': new_token,
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'expires_in': int(expires_delta.total_seconds())
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}, 200
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except Exception as e:
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current_app.logger.error(f"Token refresh failed: {str(e)}")
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return {'message': 'Token refresh failed'}, 401 |