(C# UWP/WinRT) AzureWebsites OAuth2 Password Flow

Demonstrates how to do OAuth 2.0 password flow for azurewebsites.net.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads Chilkat for the Universal Windows Platform (UWP)

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

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

Chilkat.HttpRequest req = new Chilkat.HttpRequest();
req.HttpVerb = "POST";
req.Path = "/token";
req.ContentType = "application/x-www-form-urlencoded";
req.AddParam("grant_type","password");
req.AddParam("username","your_username");
req.AddParam("password","your_password");

string tokenEndpoint = "https://your_api.azurewebsites.net/token";
Chilkat.HttpResponse resp = await http.PostUrlEncodedAsync(tokenEndpoint,req);
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());

// Sample JSON response:

// {
//   "access_token": "NQGHn ... xTS",
//   "token_type": "bearer",
//   "expires_in": 1209599,
//   "userName": "your_username",
//   ".issued": "Mon, 27 Apr 2020 23:49:35 GMT",
//   ".expires": "Mon, 11 May 2020 23:49:35 GMT"
// }

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;
}

// ----------------------------------
// Use the OAuth2 token in a request.
// For example...

Chilkat.StringBuilder sbXml = new Chilkat.StringBuilder();
success = sbXml.LoadFile("c:/someDir/someXmlFile.xml","utf-8");
if (success == false) {
    Debug.WriteLine("Failed to load the XML file.");
    return;
}

// Get the OAuth2 token and use it for authentication
http.AuthToken = jResp.StringOf("token");

string destUrl = "https://your_api.azurewebsites.net/destinationUrl";
resp = await http.PostXmlAsync(destUrl,sbXml.GetAsString(),"utf-8");
if (http.LastMethodSuccess == false) {
    Debug.WriteLine(http.LastErrorText);
    return;
}

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;
}

// Examine the response body
Debug.WriteLine(resp.BodyStr);