fix: convert mediaKey from media messages to avoid bad decrypt errors

[furious]

Calling baileys downloadMediaMessage or downloadContentFromMessage with parameter "mediaKey" with an object will fail.

Summary by Sourcery

Bug Fixes:

• Convert mediaKey from object to Uint8Array before media download to prevent bad decrypt errors

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Ensure mediaKey passed to Baileys download functions is converted from an object to a Uint8Array, preventing bad decrypt errors when using downloadMediaMessage or downloadContentFromMessage.

Sequence diagram for mediaKey conversion before media download

sequenceDiagram
participant Service as BaileysStartupService
participant MediaMsg as mediaMessage
participant Baileys as Baileys download function
Service->>MediaMsg: Check mediaKey type
alt mediaKey is object
    Service->>MediaMsg: Convert mediaKey to Uint8Array
end
Service->>Baileys: Call downloadMediaMessage/downloadContentFromMessage with converted mediaKey

Loading

Class diagram for mediaKey handling in BaileysStartupService

classDiagram
class BaileysStartupService {
  +downloadMediaMessage(msg)
  +downloadContentFromMessage(msg)
}
class mediaMessage {
  mediaKey: object | Uint8Array
}
BaileysStartupService --|> mediaMessage: uses
BaileysStartupService : converts mediaKey from object to Uint8Array

Loading

File-Level Changes

Change	Details	Files
Convert mediaKey from object to Uint8Array	Replace JSON deep clone fallback with direct mediaKey assignment Use Uint8Array.from(Object.values(mediaKey)) for conversion	src/api/integrations/channel/whatsapp/whatsapp.baileys.service.ts

Possibly linked issues

• Docker folder is deleted #1: The PR converts mediaKey to Uint8Array, resolving the 'Message not found' error in getBase64FromMediaMessage by correctly processing media keys.

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