Description

n8n-nodes-whatsapp-decrypt

Custom node for n8n that allows decrypting WhatsApp media.

Installation (command line)

npm install n8n-nodes-whatsapp-decrypt

Configuration in n8n

1. Install the package
2. Restart n8n
3. The node "WhatsApp Decrypt" will be available under the "Transform" category

Usage

Parameters

• Media Type: Type of media (audio, image, video, document, etc.)
• Media URL: Encrypted media URL
• Media Key: Media key in Base64 format
• Output Format: Output format (Base64 or Buffer)

Example

1. Configure the node with the required parameters
2. Run the workflow
3. The decrypted media will be returned in the chosen format

Supported Media Types

• Document (working)
• Image (working)
• Audio*
• GIF*
• Product*
• PTT (Voice Message)*
• Sticker*
• Video*
• Thumbnails (Document, Image, Video, Link)*
• Message History*
• App State*
• Payment Background*
• PTV*

(* untested)

Credits

The decryption logic is based on the original Java implementation by @bryanwac,
shared in this Evolution API issue comment.

License

MIT