packages/backend/src/helpers/authorization.js

const authorizationList = {
  'GET /api/v1/users/:userId': {
    action: 'read',
    subject: 'User',
  },
  'GET /api/v1/users/': {
    action: 'read',
    subject: 'User',
  },
  'GET /api/v1/users/:userId/apps': {
    action: 'read',
    subject: 'Connection',
  },
  'GET /api/v1/flows/:flowId': {
    action: 'read',
    subject: 'Flow',
  },
  'GET /api/v1/flows/': {
    action: 'read',
    subject: 'Flow',
  },
  'GET /api/v1/steps/:stepId/connection': {
    action: 'read',
    subject: 'Flow',
  },
  'GET /api/v1/steps/:stepId/previous-steps': {
    action: 'update',
    subject: 'Flow',
  },
  'POST /api/v1/steps/:stepId/dynamic-fields': {
    action: 'update',
    subject: 'Flow',
  },
  'POST /api/v1/steps/:stepId/dynamic-data': {
    action: 'update',
    subject: 'Flow',
  },
  'GET /api/v1/connections/:connectionId/flows': {
    action: 'read',
    subject: 'Flow',
  },
  'POST /api/v1/connections/:connectionId/test': {
    action: 'update',
    subject: 'Connection',
  },
  'GET /api/v1/apps/:appKey/flows': {
    action: 'read',
    subject: 'Flow',
  },
  'GET /api/v1/apps/:appKey/connections': {
    action: 'read',
    subject: 'Connection',
  },
  'GET /api/v1/executions/:executionId': {
    action: 'read',
    subject: 'Execution',
  },
  'GET /api/v1/executions/': {
    action: 'read',
    subject: 'Execution',
  },
  'GET /api/v1/executions/:executionId/execution-steps': {
    action: 'read',
    subject: 'Execution',
  },
};

export const authorizeUser = async (request, response, next) => {
  const currentRoute =
    request.method + ' ' + request.baseUrl + request.route.path;
  const currentRouteRule = authorizationList[currentRoute];

  try {
    request.currentUser.can(currentRouteRule.action, currentRouteRule.subject);
    next();
  } catch (error) {
    return response.status(403).end();
  }
};

export const authorizeAdmin = async (request, response, next) => {
  const role = await request.currentUser.$relatedQuery('role');

  if (role?.isAdmin) {
    next();
  } else {
    return response.status(403).end();
  }
};