(Lianja) WhatsApp - Download/Retrieve Media

Demonstrates how to download media previously uploaded to the WhatsApp Business API client

For more information, see https://developers.facebook.com/docs/whatsapp/api/media#retrieve

Chilkat Lianja Extension Download Chilkat Lianja Extension

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

loHttp = createobject("CkHttp")

// Implements the following CURL command:

// curl -X GET \
//   https://your-webapp-hostname:your-webapp-port/v1/media/4b5bf27b-8672-4d55-bc21-d096dc200d0f \
//   -H 'Authorization: Bearer your-auth-token' \
//   -o path/filename

// Use the following online tool to generate HTTP code from a CURL command
// Convert a cURL Command to HTTP Source Code

// Adds the "Authorization: Bearer your-auth-token" header.
loHttp.AuthToken = "your-auth-token"

loBdResponseBody = createobject("CkBinData")
llSuccess = loHttp.QuickGetBd("https://your-webapp-hostname:your-webapp-port/v1/media/4b5bf27b-8672-4d55-bc21-d096dc200d0f",loBdResponseBody)
if (llSuccess = .F.) then
    ? loHttp.LastErrorText
    release loHttp
    release loBdResponseBody
    return
endif

lnRespStatusCode = loHttp.LastStatus
? "response status code = " + str(lnRespStatusCode)
? "response header = " + loHttp.LastResponseHeader

if (lnRespStatusCode <> 200) then
    ? "Error response body:"
    ? loBdResponseBody.GetString("utf-8")
    release loHttp
    release loBdResponseBody
    return
endif

llSuccess = loBdResponseBody.WriteFile("path/filename")


release loHttp
release loBdResponseBody