HttpClient Sample

HttpClientSample.cs

private static HttpClient client = new HttpClient();

// GET
var response = await client.GetAsync(@"http://localhost/admin");
var cookies = response.Headers.FirstOrDefault(pair => String.Compare(pair.Key, @"Set-Cookie", StringComparison.OrdinalIgnoreCase) == 0).Value;

// get token from html
var html = await response.Content.ReadAsStringAsync();
var regex = new Regex("(name=\\\"_token\\\" value=)\\\"(.*)\\\"");
var token = regex.Match(html).Groups[2].Value;
Debug.WriteLine($"token {token}");

// ログイン POST
var request = new HttpRequestMessage(HttpMethod.Post, @"http://localhost/admin/login")
{
    Content = new FormUrlEncodedContent(new Dictionary<string, string>
    {
        {"email", "admin@admin.com"},
        {"password", "password"},
        {"_token", token},
    })
};
request.Headers.Add(@"Cookie", cookies);
var response2 = await client.SendAsync(request);
//var bytes1 = await response2.Content.ReadAsByteArrayAsync();
//File.WriteAllBytes(@"D:\UserData\naohba\Desktop\ログインできた？.html", bytes1);

// get token from html
html = await response2.Content.ReadAsStringAsync();
token = regex.Match(html).Groups[2].Value;
Debug.WriteLine($"token {token}");

// カテゴリ登録
cookies = response2.Headers.FirstOrDefault(pair => String.Compare(pair.Key, @"Set-Cookie", StringComparison.OrdinalIgnoreCase) == 0).Value;
var request2 = new HttpRequestMessage(HttpMethod.Post, @"http://localhost/admin/categories")
{
    Content = new FormUrlEncodedContent(new Dictionary<string, string>
    {
        {"order", "6"},
        {"name", "Category 6"},
        {"slug", "category-6"},
        {"_token", token},
    })
};
request2.Headers.Add(@"Cookie", cookies);
var response3 = await client.SendAsync(request2);
//var bytes2 = await response3.Content.ReadAsByteArrayAsync();
//File.WriteAllBytes(@"D:\UserData\naohba\Desktop\カテゴリ登録.html", bytes2);

Debug.WriteLine("******");
Debug.WriteLine(response3.StatusCode == HttpStatusCode.OK ? "★★★ OK ★★★" : $"★★★ NG ★★★ {response3.StatusCode}");