c# http post request with basic authentication

Question

I've written a python function to move a router's IO port via a HTTP post request with Basic Authentivation. This works fine. But now I'd like to implement the sam with C#.

Here is my python function:

def io_on(ip='192.168.2.1', username='adm', password='123456'):
if not isinstance(ip, str):
    print('not string')
try:
    payload ='_ajax=1&_web_cmd=%21%0Aio%20output%201%20on%0A'
    r = requests.post('http://{}/apply.cgi'.format(ip), auth=HTTPBasicAuth(username, password), data=payload, timeout=3)
    if r.status_code == 200:
        print('{} : IO ON'.format(ip))
    elif r.status_code == 401:
        print('{} : Auth error'.format(ip))
    else:
        print(r.status_code)

except Exception as e:
    print(e)

I've experimented with NetWorkCredentials with no success.

Darkwing · Accepted Answer · 2019-07-16 07:24:02Z

1

Something like this :

    try
    {
        string username = "adm", password = "123456";
        string payload = "http://192.168.2.1/apply.cgi/?_ajax=1&_web_cmd=%21%0Aio%20output%201%20on%0A";


        HttpClient client = new HttpClient();

        var byteArray = Encoding.ASCII.GetBytes($"{username}:{password}");
        client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Basic", Convert.ToBase64String(byteArray));

        HttpResponseMessage response = await client.GetAsync(payload);
        HttpContent content = response.Content;

        if (response.IsSuccessStatusCode)
        {
            Console.WriteLine("Success");
        }

        else if (response.StatusCode == HttpStatusCode.Unauthorized)
        {
            Console.WriteLine("Auth error");
        }
        else
        {
            Console.WriteLine(response.StatusCode);
        }
    }
    catch (Exception e)
    {
        Console.WriteLine(e);
        throw;
    }

edited Jul 16, 2019 at 7:24

answered Jul 16, 2019 at 6:57

Darkwing

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7 Comments

Darkwing Over a year ago

This looks like a GET not a POST as per your paste

kerzol81 Over a year ago

Could you please adjust it?

Darkwing Over a year ago

Just change this line request.Method = "POST"; to request.Method = "GET";

kerzol81 Over a year ago

I did it, thanks. I still got an unauthorized packet. Here is how I do it now: pastebin.com/JFt6bjMY

Darkwing Over a year ago

You are still using POST

|

lukaszFD · Accepted Answer · 2020-01-08 22:31:25Z

1

Here's my way to make POST with basic authentication.

var authValue = new AuthenticationHeaderValue("Basic", Convert.ToBase64String(Encoding.UTF8.GetBytes($"{login}:{password}")));

using (var client = new HttpClient() { DefaultRequestHeaders = { Authorization = authValue } })
{
    HttpResponseMessage response = client.PostAsync("https://localhost:44396/Documentation/All?pageNumber=0&pageSize=10", httpContent).Result;
    if (response.IsSuccessStatusCode)
    {
        response = await response.Content.ReadAsStringAsync();
    }
}

answered Jan 8, 2020 at 22:31

lukaszFD

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