Tcl

WhatsApp - Download/Retrieve Media

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

load ./chilkat.dll

set success 0

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

set http [new_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.
CkHttp_put_AuthToken $http "your-auth-token"

set bdResponseBody [new_CkBinData]

set success [CkHttp_QuickGetBd $http "https://your-webapp-hostname:your-webapp-port/v1/media/4b5bf27b-8672-4d55-bc21-d096dc200d0f" $bdResponseBody]
if {$success == 0} then {
    puts [CkHttp_lastErrorText $http]
    delete_CkHttp $http
    delete_CkBinData $bdResponseBody
    exit
}

set respStatusCode [CkHttp_get_LastStatus $http]
puts "response status code = $respStatusCode"
puts "response header = [CkHttp_lastResponseHeader $http]"

if {$respStatusCode != 200} then {
    puts "Error response body:"
    puts [CkBinData_getString $bdResponseBody utf-8]
    delete_CkHttp $http
    delete_CkBinData $bdResponseBody
    exit
}

set success [CkBinData_WriteFile $bdResponseBody "path/filename"]

delete_CkHttp $http
delete_CkBinData $bdResponseBody