Webhook configuration

[ralyodio]

📋 Product Requirements Document

PRD: Webhook configuration

Issue: #158
Milestone: Phase 5: Webhook System
Labels: webhook-management-ui, hacktoberfest

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PRD: Webhook Configuration Feature

Overview

The Webhook Configuration feature is a core addition to the MeshHook project, aimed at empowering users to easily set up and manage webhook triggers for their automated workflows. This feature aligns with MeshHook's overarching goal to offer a visually simple, durable, and Postgres-native workflow engine that emphasizes user-friendliness, scalability, and security. By introducing a user interface for webhook configuration, MeshHook aims to enhance its usability, making it accessible for indie builders, automation engineers, and platform teams to efficiently integrate external event triggers into their workflows.

Functional Requirements

1. User Interface for Configuration: Develop a clean, intuitive UI that enables users to add, modify, and delete webhook triggers for their workflows with minimal effort.
2. Signature Verification Support: Users should be able to select and configure signature verification methods (HMAC, JWT) for their webhooks, enhancing security by ensuring that incoming requests are authenticated.
3. Dynamic Webhook URL Generation: The system must automatically generate a unique URL for each webhook configuration, facilitating easy integration with external services.
4. Testing Capability: Introduce a functionality within the UI that allows users to send test payloads to their configured webhooks, verifying the setup and response handling.
5. Comprehensive Documentation: Update the MeshHook documentation to include detailed guides and examples on configuring and utilizing webhooks, aiding in user education and system adoption.

Non-Functional Requirements

• Performance: Changes to webhook configurations should be reflected in real-time, with API response times kept below 500ms to ensure a smooth user experience.
• Reliability: Target a 99.9% uptime for the webhook configuration feature, ensuring high availability for users to manage and test their webhook settings.
• Security: Leverage MeshHook’s existing RLS framework to secure webhook configurations at a multi-tenant level, ensuring that configurations are isolated and protected across different users and projects.
• Maintainability: Code contributed towards this feature should follow the project's established coding standards and patterns, ensuring that it is well-documented, structured, and easy to maintain or extend in the future.

Technical Specifications

Architecture Context

• Frontend: Implement the UI components using SvelteKit/Svelte 5, integrating seamlessly with the existing frontend architecture.
• Backend: Utilize Supabase Postgres for persisting webhook configurations, leveraging its capabilities for secure storage and efficient querying.
• Security: Incorporate HMAC and JWT as the primary methods for signature verification, aligning with MeshHook's focus on secure, authenticated webhook triggers.

Implementation Approach

1. UI Design: Design intuitive UI layouts for the webhook configuration process, emphasizing ease of use and integration with the existing visual DAG builder.
2. API Design and Implementation:
   • Define RESTful API endpoints for managing webhook configurations (POST, PUT, DELETE).
   • Implement the logic for dynamic webhook URL generation and signature verification setup.
3. Frontend Implementation: Develop the frontend components using SvelteKit, ensuring responsiveness and a seamless user experience.
4. Backend and Database Implementation:
   • Design and implement the database schema for storing webhook configurations.
   • Securely implement the API functionality, ensuring data validation and authorization checks.
5. Integration and Testing: Conduct thorough integration testing to ensure compatibility with the existing workflow engine components and overall system stability.
6. Documentation: Update the project's user guide and API documentation to include detailed instructions and examples for the webhook configuration feature.

Data Model

Table: webhook_configurations

• id UUID: Primary Key
• project_id UUID: Foreign Key to projects table, ensuring RLS security
• url VARCHAR: Unique URL for the webhook
• signature_method ENUM('HMAC', 'JWT', 'None'): Method used for signature verification
• secret_key VARCHAR: Secret key used for HMAC/JWT verification, stored securely
• created_at TIMESTAMP: Record creation timestamp
• updated_at TIMESTAMP: Last update timestamp

API Endpoints

• Create Webhook Configuration: POST /api/webhooks
• Update Webhook Configuration: PUT /api/webhooks/{id}
• Delete Webhook Configuration: DELETE /api/webhooks/{id}
• Test Webhook Configuration: POST /api/webhooks/{id}/test

Acceptance Criteria

• UI for webhook configuration is fully implemented and integrates seamlessly with the existing system.
• Signature verification methods (HMAC, JWT) are supported and can be configured by the user.
• Unique webhook URLs are generated automatically for each new configuration.
• Users can test their webhook configurations directly from the UI.
• Documentation is updated to include comprehensive guides on configuring and using webhooks.
• All new code is covered by relevant unit and integration tests, ensuring reliability and maintainability.
• Manual and automated tests confirm the feature's functionality and performance benchmarks are met.

Dependencies

• Access to the existing SvelteKit and Supabase setup.
• Familiarity with the project's coding standards and development workflows.

Implementation Notes

Development Guidelines

• Adhere to MeshHook's coding conventions and standards.
• Employ async/await patterns for asynchronous operations.
• Validate all user input to prevent injection attacks and data corruption.
• Write comprehensive unit and integration tests using Jest or a compatible testing framework to cover new functionality.

Testing Strategy

• Unit Testing: Focus on backend logic, utility functions, and component integrity.
• Integration Testing: Ensure new APIs interact correctly with the database and frontend components, verifying end-to-end functionality.
• Manual Testing: Perform user acceptance testing to validate the UI/UX and overall feature integration.

Security Considerations

• Implement authentication and authorization checks for all new API endpoints, ensuring that webhook configurations are only accessible to authorized users.
• Encrypt secret_key values in the database to protect sensitive information.
• Introduce rate limiting for the test webhook functionality to prevent abuse and ensure system stability.

Monitoring and Observability

• Add comprehensive logging throughout the webhook configuration process.
• Monitor API performance, focusing on response times and error rates for the new endpoints.
• Set up alerts for critical issues detected in the webhook configuration feature to enable prompt response and resolution.

By following this PRD, the MeshHook team will successfully implement the webhook configuration feature, significantly enhancing the platform's flexibility, security, and user-friendliness. This addition is a critical step toward realizing MeshHook's vision of providing a robust, Postgres-native workflow engine that meets the modern needs of automation and integration.

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This PRD was AI-generated using gpt-4-turbo-preview from GitHub issue #158
Generated: 2025-10-10

📎 Generated Documentation

• 📄 PRD Document: 158-webhook-configuration.md
• 🎨 PlantUML Diagram: 158-webhook-configuration.puml
• 🖼️ Diagram Image: 158-webhook-configuration.png

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This issue body was auto-generated from the PRD. Original issue content is preserved in the PRD document.
Last updated: 2025-10-10