powr-sdk-api/dist/middleware/projectId.js

Shared API core library for PowrStack projects. Zero dependencies - works with Express, Next.js API routes, and other frameworks. All features are optional and install only what you need.

"use strict";

const {
  config
} = require('../config');

/**
 * Middleware to inject and validate projectId into requests
 * @param {Object} options - Configuration options
 * @param {boolean} options.isCentralService - Whether this is a central service (like powr-base-cloud)
 * @param {Array} options.excludePaths - Array of paths to exclude from projectId validation
 * @returns {Function} Express middleware function
 */
const injectProjectId = (options = {}) => {
  const isCentralService = options.isCentralService || false;
  const excludePaths = options.excludePaths || ['/health'];
  return (req, res, next) => {
    try {
      // Skip validation for excluded paths
      if (excludePaths.some(path => req.path.startsWith(path))) {
        req.projectId = null;
        return next();
      }
      if (isCentralService) {
        // For central services, get projectId from request
        req.projectId = req.query.projectId || req.body.projectId;
      } else {
        // For individual APIs, use config.projectId
        req.projectId = config.projectId;
      }

      // Validate projectId (always required except for excluded paths)
      if (!req.projectId) {
        return res.status(400).json({
          success: false,
          message: 'projectId is required'
        });
      }
      next();
    } catch (error) {
      console.error('❌ ProjectId injection error:', error.message);
      return res.status(500).json({
        success: false,
        message: 'Configuration error',
        error: error.message
      });
    }
  };
};
module.exports = {
  injectProjectId
};