LinkedIn MCP Server

import { envSchema } from 'schemas/env.schema.js' import { inject, injectable } from 'tsyringe' import { z } from 'zod' import { LoggerService } from '../services/logger.service.js' /** * AuthConfig - Authentication configuration management * * Manages and validates the credentials required for LinkedIn API authentication. * Loads environment variables and ensures all required credentials are present. * * @example * ```typescript * // Inject the config * constructor(@inject(AuthConfig) private config: AuthConfig) {} * * // Usage * const clientId = this.config.getClientId(); * const authUrl = this.config.getAuthUrl(); * ``` */ @injectable() export class AuthConfig { private readonly authUrl: string = 'https://www.linkedin.com/oauth/v2' private readonly clientId: string private readonly clientSecret: string private readonly configurationValidationSchema = envSchema constructor(@inject(LoggerService) private readonly logger: LoggerService) { const env = this.validateEnvironment() this.clientId = env.LINKEDIN_CLIENT_ID this.clientSecret = env.LINKEDIN_CLIENT_SECRET this.logger.debug('Authentication configuration loaded successfully') } /** * Gets the client ID for authentication * @returns The LinkedIn API client ID */ public getClientId(): string { return this.clientId } /** * Gets the client secret for authentication * @returns The LinkedIn API client secret */ public getClientSecret(): string { return this.clientSecret } /** * Gets the authentication URL * @returns The LinkedIn OAuth authentication endpoint URL */ public getAuthUrl(): string { return this.authUrl } /** * Validates all environment variables using Zod schema * @returns Object containing validated environment variables * @throws Error if validation fails */ private validateEnvironment(): z.infer<typeof this.configurationValidationSchema> { try { return this.configurationValidationSchema.parse(process.env) } catch (error) { if (error instanceof z.ZodError) { const errorDetails = error.errors.map((err) => `${err.path.join('.')}: ${err.message}`).join(', ') this.logger.error(`Environment validation failed: ${errorDetails}`) throw new Error(`Missing or invalid environment variables: ${errorDetails}`) } this.logger.error('Unexpected error validating environment variables', error) throw new Error('Error validating environment variables') } } }