Basic PDF Digital Sign Service - N8N Workflow Directory

Target Audience

Developers who need to automate PDF signing processes.
- Businesses that require secure document signing and certificate generation.
- IT Professionals looking for efficient ways to manage digital signatures in workflows.
- Legal Teams needing to ensure document integrity with digital signatures.

Problem Solved

This workflow addresses the challenges of securely generating digital certificates and signing PDF documents. It automates the entire process, ensuring that:
- Required parameters are validated, reducing the chances of errors.
- Digital certificates can be generated on-demand, saving time and effort.
- PDF documents can be digitally signed, ensuring authenticity and integrity.

Workflow Steps

Webhook Trigger: The workflow begins with a webhook that listens for incoming requests.
2. Parameter Validation: The workflow checks for required parameters based on the operation (upload, generate key, sign PDF).
3. File Handling: Depending on the operation, the workflow handles file uploads, converting them to the appropriate format and saving them to disk.
4. Key Generation: If the operation is to generate keys, it creates a self-signed certificate and associated keys using provided parameters.
5. PDF Signing: For signing PDFs, it adds a signature placeholder and signs the document using the provided PFX file and password.
6. Success Response Preparation: After completing the operations, the workflow prepares a success response with relevant file information.
7. Error Handling: If any step fails, appropriate error responses are generated to inform the user.

Customization Guide

Modify Parameters: Users can change the required parameters for key generation or PDF signing by editing the validation nodes.
- Change File Paths: Update the paths in the set file path node to specify where files should be stored.
- Adjust Response Messages: Customize success and error messages in the response nodes to better fit organizational needs.
- Add Additional Operations: Users can introduce new nodes to handle additional functionalities, like sending notifications or integrating with other services.