Unicode C++ Requires Chilkat v11.0.0+

WhatsApp - Upload Media

Demonstrates how to upload media to the WhatsApp Business API client. The POST body must contain the binary media data and the Content-Type header must be set to the type of the media being uploaded. Unicode C++

#include <CkHttpW.h>
#include <CkBinDataW.h>
#include <CkHttpResponseW.h>
#include <CkStringBuilderW.h>
#include <CkJsonObjectW.h>

void ChilkatSample(void)
    {
    bool success = false;

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

    CkHttpW http;

    //  Implements the following CURL command:

    //  curl -X POST \
    //  https://your-webapp-hostname:your-webapp-port/v1/media \
    //  -H 'Authorization: Bearer your-auth-token' \ 
    //  -H 'Content-Type: image/jpeg'
    //  --data-binary @your-file-path

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

    CkBinDataW bdRequestBody;
    success = bdRequestBody.LoadFile(L"your-file-path");
    if (success != true) {
        wprintf(L"Failed to load your-file-path\n");
        return;
    }

    //  Adds the "Authorization: Bearer your-auth-token" header.
    http.put_AuthToken(L"your-auth-token");

    CkHttpResponseW resp;
    success = http.HttpBd(L"POST",L"https://your-webapp-hostname:your-webapp-port/v1/media",bdRequestBody,L"image/jpeg",resp);
    if (success == false) {
        wprintf(L"%s\n",http.lastErrorText());
        return;
    }

    CkStringBuilderW sbResponseBody;
    resp.GetBodySb(sbResponseBody);
    CkJsonObjectW jResp;
    jResp.LoadSb(sbResponseBody);
    jResp.put_EmitCompact(false);

    wprintf(L"Response Body:\n");
    wprintf(L"%s\n",jResp.emit());

    int respStatusCode = resp.get_StatusCode();
    wprintf(L"Response Status Code = %d\n",respStatusCode);
    if (respStatusCode >= 400) {
        wprintf(L"Response Header:\n");
        wprintf(L"%s\n",resp.header());
        wprintf(L"Failed.\n");
        return;
    }

    //  Sample JSON response:
    //  (Sample code for parsing the JSON response is shown below)

    //  {
    //    "messages": [
    //      {
    //        "id": "gBEGkYiEB1VXAglK1ZEqA1YKPrU"
    //      }
    //    ]
    //  }

    //  Sample code for parsing the JSON response...
    //  Use the following online tool to generate parsing code from sample JSON:
    //  Generate Parsing Code from JSON

    //  Chilkat functions returning "const char *" return a pointer to temporary internal memory owned and managed by Chilkat.
    //  See this example explaining how this memory should be used: const char * functions.

    const wchar_t *id = 0;

    int i = 0;
    int count_i = jResp.SizeOfArray(L"messages");
    while (i < count_i) {
        jResp.put_I(i);
        id = jResp.stringOf(L"messages[i].id");
        i = i + 1;
    }
    }