Chilkat Examples

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C# UWP/WinRT Web API Examples

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(C# UWP/WinRT) WhatsApp - Login

Log in to get your authentication token (which is to be used in the "Authorization: Bearer your-auth-token" header in other REST API calls).

For more information, see https://developers.facebook.com/docs/whatsapp/api/users/login

Chilkat Universal Windows Platform (UWP) / WinRT Downloads

Chilkat for the Universal Windows Platform (UWP)

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

Chilkat.Http http = new Chilkat.Http();
bool success;

// Implements the following CURL command:

// curl -X POST https://your-webapp-hostname:your-webapp-port/v1/users/login \
//   -H 'Content-Type: application/json' \
//   --user 'username:password' \
//   -d '{}'

http.Login = "username";
http.Password = "password";

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

// {}

Chilkat.JsonObject json = new Chilkat.JsonObject();

http.SetRequestHeader("Content-Type","application/json");

Chilkat.HttpResponse resp = await http.PostJson3Async("https://your-webapp-hostname:your-webapp-port/v1/users/login","application/json",json);
if (http.LastMethodSuccess == false) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

Chilkat.StringBuilder sbResponseBody = new Chilkat.StringBuilder();
resp.GetBodySb(sbResponseBody);
Chilkat.JsonObject jResp = new Chilkat.JsonObject();
jResp.LoadSb(sbResponseBody);
jResp.EmitCompact = false;

Debug.WriteLine("Response Body:");
Debug.WriteLine(jResp.Emit());

int respStatusCode = resp.StatusCode;
Debug.WriteLine("Response Status Code = " + Convert.ToString(respStatusCode));
if (respStatusCode >= 400) {
    Debug.WriteLine("Response Header:");
    Debug.WriteLine(resp.Header);
    Debug.WriteLine("Failed.");

    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...

string token;
string expires_after;

int i = 0;
int count_i = jResp.SizeOfArray("users");
while (i < count_i) {
    jResp.I = i;
    token = jResp.StringOf("users[i].token");
    expires_after = jResp.StringOf("users[i].expires_after");
    i = i + 1;
}


 

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