/// <summary>
/// Get the request token using the consumer id and secret. Also initializes token secret
/// </summary>
/// <param name="cancellationToken">CancellationToken</param>
private async Task GetRequestTokenAsync(CancellationToken cancellationToken = default)
{
_oAuth1HttpBehaviour.MakeCurrent();
// Create a HttpRequestMessage for the Token-Url
var httpRequestMessage = HttpRequestMessageFactory.Create(_oAuth1Settings.TokenMethod, _oAuth1Settings.TokenUrl);
// sign it
Sign(httpRequestMessage);
// Use it to get the response
var response = await httpRequestMessage.SendAsync <string>(cancellationToken).ConfigureAwait(false);
if (!string.IsNullOrEmpty(response))
{
Log.Verbose().WriteLine("Request token response: {0}", response);
var resultParameters = UriParseExtensions.QueryStringToDictionary(response);
if (resultParameters.TryGetValue(OAuth1Parameters.Token.EnumValueOf(), out var tokenValue))
{
Log.Verbose().WriteLine("Storing token {0}", tokenValue);
_oAuth1Settings.RequestToken = tokenValue;
}
if (resultParameters.TryGetValue(OAuth1Parameters.TokenSecret.EnumValueOf(), out var tokenSecretValue))
{
Log.Verbose().WriteLine("Storing token secret {0}", tokenSecretValue);
_oAuth1Settings.RequestTokenSecret = tokenSecretValue;
}
}
}
/// <summary>
/// Get the access token
/// </summary>
/// <param name="cancellationToken">CancellationToken</param>
/// <returns>The access token.</returns>
private async Task GetAccessTokenAsync(CancellationToken cancellationToken = default(CancellationToken))
{
if (string.IsNullOrEmpty(_oAuth1Settings.AuthorizeToken))
{
throw new ArgumentNullException(nameof(_oAuth1Settings.AuthorizeToken), "The authorize token is not set");
}
if (_oAuth1Settings.CheckVerifier && string.IsNullOrEmpty(_oAuth1Settings.Token.OAuthTokenVerifier))
{
throw new ArgumentNullException(nameof(_oAuth1Settings.Token.OAuthTokenVerifier), "The verifier is not set");
}
_oAuth1HttpBehaviour.MakeCurrent();
// Create a HttpRequestMessage for the Token-Url
var httpRequestMessage = HttpRequestMessageFactory.Create(_oAuth1Settings.AccessTokenMethod, _oAuth1Settings.AccessTokenUrl);
// sign it
Sign(httpRequestMessage);
// Use it to get the response
var response = await httpRequestMessage.SendAsync <string>(cancellationToken).ConfigureAwait(false);
if (!string.IsNullOrEmpty(response))
{
Log.Verbose().WriteLine("Access token response: {0}", response);
var resultParameters = UriParseExtensions.QueryStringToDictionary(response);
string tokenValue;
if (resultParameters.TryGetValue(OAuth1Parameters.Token.EnumValueOf(), out tokenValue))
{
_oAuth1Settings.Token.OAuthToken = tokenValue;
resultParameters.Remove(OAuth1Parameters.Token.EnumValueOf());
}
string secretValue;
if (resultParameters.TryGetValue(OAuth1Parameters.TokenSecret.EnumValueOf(), out secretValue))
{
_oAuth1Settings.Token.OAuthTokenSecret = secretValue;
resultParameters.Remove(OAuth1Parameters.TokenSecret.EnumValueOf());
}
// Process the rest, if someone registed, some services return more values
_oAuth1HttpBehaviour?.OnAccessTokenValues?.Invoke(resultParameters);
}
}
public void TestOutOfBoundCodeReceiverParseTitle()
{
var queryPartOfTitleRegEx = new Regex(@".*\|\|(?<query>.*)\|\|.*", RegexOptions.IgnoreCase);
var state = Guid.NewGuid().ToString();
const string code = "2497hf29ruh234zruif390ugo34t23jfg23";
var query = $"state={state}&code={code}";
var testString = $"Greenshot authenticated with Imgur||{query}|| - Google Chrome";
Assert.False(string.IsNullOrEmpty(testString));
var match = queryPartOfTitleRegEx.Match(testString);
Assert.True(match.Success);
var queryParameters = match.Groups["query"]?.Value;
Assert.NotNull(queryParameters);
Assert.NotEmpty(queryParameters);
Assert.Equal(query, queryParameters);
var dict = UriParseExtensions.QueryStringToDictionary(queryParameters);
Assert.Equal(code, dict["code"]);
Assert.Equal(state, dict["state"]);
}
/// <summary>
/// The OAuth code receiver
/// </summary>
/// <param name="authorizeMode">which of the AuthorizeModes was used to call the method</param>
/// <param name="codeReceiverSettings"></param>
/// <param name="cancellationToken">CancellationToken</param>
/// <returns>Dictionary with values</returns>
public async Task <IDictionary <string, string> > ReceiveCodeAsync(AuthorizeModes authorizeMode, ICodeReceiverSettings codeReceiverSettings,
CancellationToken cancellationToken = default)
{
// Force OOB Uri, if nothing is set
if (string.IsNullOrEmpty(codeReceiverSettings.RedirectUrl))
{
switch (authorizeMode)
{
case AuthorizeModes.OutOfBound:
codeReceiverSettings.RedirectUrl = "urn:ietf:wg:oauth:2.0:oob";
break;
case AuthorizeModes.OutOfBoundAuto:
codeReceiverSettings.RedirectUrl = "urn:ietf:wg:oauth:2.0:oob:auto";
break;
default:
throw new NotSupportedException($"Only {AuthorizeModes.OutOfBound} and {AuthorizeModes.OutOfBoundAuto} are supported modes for this receiver");
}
}
var uriBuilder = new UriBuilder(codeReceiverSettings.AuthorizationUri)
{
Query = codeReceiverSettings.AuthorizationUri.QueryToKeyValuePairs()
.Select(x => new KeyValuePair <string, string>(x.Key, x.Value.FormatWith(codeReceiverSettings)))
.ToQueryString()
};
// Get the formatted FormattedAuthUrl
var authorizationUrl = uriBuilder.Uri;
Log.Debug().WriteLine("Opening a browser with: {0}", authorizationUrl.AbsoluteUri);
// Open the url in the default browser
var processStartInfo = new ProcessStartInfo(authorizationUrl.AbsoluteUri)
{
CreateNoWindow = true,
UseShellExecute = true
};
Process.Start(processStartInfo);
Log.Debug().WriteLine("Waiting until a window gets a title with the state {0}", codeReceiverSettings.State);
// Wait until a window get's a title which contains the state object
var title = await WinEventHook.WindowTileChangeObservable()
.Select(info => InteropWindowFactory.CreateFor(info.Handle).Fill())
.Where(interopWindow => !string.IsNullOrEmpty(interopWindow?.Caption))
.Where(interopWindow => interopWindow.Caption.Contains(codeReceiverSettings.State))
// Skip temporary titles, where the redirect URL os briefly seen
.Where(interopWindow => interopWindow?.Caption.Contains(codeReceiverSettings.RedirectUrl) != true)
.Select(interopWindow => interopWindow.Caption)
.Take(1).ToTask(cancellationToken);
Log.Debug().WriteLine("Got title {0}", title);
if (string.IsNullOrEmpty(title))
{
return(new Dictionary <string, string>());
}
var match = QueryPartOfTitleRegEx.Match(title);
if (!match.Success)
{
return(UriParseExtensions.QueryStringToDictionary(title));
}
var queryParameters = match.Groups["query"]?.Value;
if (string.IsNullOrEmpty(queryParameters))
{
return(new Dictionary <string, string>());
}
Log.Debug().WriteLine("Query parameters: {0}", queryParameters);
// Return result of the listening
return(UriParseExtensions.QueryStringToDictionary(queryParameters));
}