public CoresightHttpClient(Uri coresightBaseUri, CoresightRequestVerificationTokens tokens, ICredentials credentials = null)
{
_coresightBaseUri = coresightBaseUri;
_tokens = tokens;
_clientHandler = credentials != null ?
new HttpClientHandler()
{
CookieContainer = _tokens.CookieContainer,
Credentials = credentials,
PreAuthenticate = true
} :
new HttpClientHandler()
{
CookieContainer = _tokens.CookieContainer,
UseDefaultCredentials = true,
PreAuthenticate = true
};
HttpClient = new HttpClient(_clientHandler)
{
BaseAddress = _coresightBaseUri
};
HttpClient.DefaultRequestHeaders.Add("RequestVerificationToken", _tokens.HiddenInputToken);
HttpClient.DefaultRequestHeaders.Add("Referer", _coresightBaseUri.OriginalString);
HttpClient.DefaultRequestHeaders.Add("Host", _coresightBaseUri.Host);
}
/// <summary>
/// Gets request verification tokens from the server
/// </summary>
/// <returns>An object with a field value and a cookie collection</returns>
private async Task <CoresightRequestVerificationTokens> GetRequestVerificationTokensAsync()
{
CoresightRequestVerificationTokens tokens = new CoresightRequestVerificationTokens();
using (var client = new CoresightHttpClient(_coresightBaseUri, tokens, _credentials))
{
Console.WriteLine("Getting Coresight verification tokens.");
HttpResponseMessage response = await client.HttpClient.GetAsync("");
Console.WriteLine("Response: {0} - {1}", response.StatusCode, response.ReasonPhrase);
response.EnsureSuccessStatusCode();
string content = await response.Content.ReadAsStringAsync();
Regex tokenFinder = new Regex(@"(?:window\.Coresight\.RequestVerificationToken)\s*?=\s*'([\w:-]+?)'");
tokens.HiddenInputToken = tokenFinder.Match(content).Groups[1].Captures[0].Value;
return(tokens);
}
}
