Unicode C

WhatsApp - First Login

Log in the very first time to get your authentication token. The new login/password is passed in the JSON body of the request. Unicode C

#include <C_CkHttpW.h>
#include <C_CkJsonObjectW.h>
#include <C_CkHttpResponseW.h>
#include <C_CkStringBuilderW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkHttpW http;
    HCkJsonObjectW json;
    HCkHttpResponseW resp;
    HCkStringBuilderW sbResponseBody;
    HCkJsonObjectW jResp;
    int respStatusCode;
    const wchar_t *token;
    const wchar_t *expires_after;
    int i;
    int count_i;

    success = FALSE;

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

    http = CkHttpW_Create();

    //  Implements the following CURL command:

    //  curl -k -X POST https://your-webapp-hostname:your-webapp-port/v1/users/login \
    //    -H 'Content-Type: application/json' \
    //    --user 'admin:secret' \
    //    -d '{"new_password" : "new-password"}'

    CkHttpW_putLogin(http,L"admin");
    CkHttpW_putPassword(http,L"secret");

    //  The following JSON is sent in the request body.

    //  {
    //    "new_password": "new-password"
    //  }

    json = CkJsonObjectW_Create();
    CkJsonObjectW_UpdateString(json,L"new_password",L"new-password");

    resp = CkHttpResponseW_Create();
    success = CkHttpW_HttpJson(http,L"POST",L"https://your-webapp-hostname:your-webapp-port/v1/users/login",json,L"application/json",resp);
    if (success == FALSE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkHttpW_Dispose(http);
        CkJsonObjectW_Dispose(json);
        CkHttpResponseW_Dispose(resp);
        return;
    }

    sbResponseBody = CkStringBuilderW_Create();
    CkHttpResponseW_GetBodySb(resp,sbResponseBody);
    jResp = CkJsonObjectW_Create();
    CkJsonObjectW_LoadSb(jResp,sbResponseBody);
    CkJsonObjectW_putEmitCompact(jResp,FALSE);

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

    respStatusCode = CkHttpResponseW_getStatusCode(resp);
    wprintf(L"Response Status Code = %d\n",respStatusCode);
    if (respStatusCode >= 400) {
        wprintf(L"Response Header:\n");
        wprintf(L"%s\n",CkHttpResponseW_header(resp));
        wprintf(L"Failed.\n");
        CkHttpW_Dispose(http);
        CkJsonObjectW_Dispose(json);
        CkHttpResponseW_Dispose(resp);
        CkStringBuilderW_Dispose(sbResponseBody);
        CkJsonObjectW_Dispose(jResp);
        return;
    }

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

    //  {
    //    "users": [
    //      {
    //        "token": "eyJhbGciOHlXVCJ9.eyJ1c2VyIjoNTIzMDE2Nn0.mEoF0COaO00Z1cANo",
    //        "expires_after": "2018-03-01 15:29:26+00:00"
    //      }
    //    ]
    //  }

    //  Sample code for parsing the JSON response...

    //  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.

    i = 0;
    count_i = CkJsonObjectW_SizeOfArray(jResp,L"users");
    while (i < count_i) {
        CkJsonObjectW_putI(jResp,i);
        token = CkJsonObjectW_stringOf(jResp,L"users[i].token");
        expires_after = CkJsonObjectW_stringOf(jResp,L"users[i].expires_after");
        i = i + 1;
    }



    CkHttpW_Dispose(http);
    CkJsonObjectW_Dispose(json);
    CkHttpResponseW_Dispose(resp);
    CkStringBuilderW_Dispose(sbResponseBody);
    CkJsonObjectW_Dispose(jResp);

    }