private async Task <string> GetAuthorizationCodeAsync()
{
if (this.ServiceInfo.WebAuthenticationUi != null)
{
var requestUriString = string.Format(
"{0}?{1}={2}&{3}={4}&{5}={6}&{7}={8}",
this.ServiceInfo.AuthenticationServiceUrl,
Constants.Authentication.RedirectUriKeyName,
this.ServiceInfo.ReturnUrl,
Constants.Authentication.ClientIdKeyName,
this.ServiceInfo.AppId,
Constants.Authentication.ScopeKeyName,
string.Join("%20", this.ServiceInfo.Scopes),
Constants.Authentication.ResponseTypeKeyName,
Constants.Authentication.CodeKeyName);
var requestUri = new Uri(requestUriString);
var authenticationResponseValues = await this.ServiceInfo.WebAuthenticationUi.AuthenticateAsync(
requestUri,
this.callbackUri);
OAuthErrorHandler.ThrowIfError(authenticationResponseValues);
string code;
if (authenticationResponseValues != null && authenticationResponseValues.TryGetValue("code", out code))
{
return(code);
}
}
return(null);
}
internal async Task <AccountSession> SendTokenRequestAsync(string requestBodyString)
{
var httpRequestMessage = new HttpRequestMessage(HttpMethod.Post, this.ServiceInfo.TokenServiceUrl);
httpRequestMessage.Content = new StringContent(requestBodyString, Encoding.UTF8, Constants.Headers.FormUrlEncodedContentType);
using (var authResponse = await this.ServiceInfo.HttpProvider.SendAsync(httpRequestMessage))
using (var responseStream = await authResponse.Content.ReadAsStreamAsync())
{
var responseValues =
this.ServiceInfo.HttpProvider.Serializer.DeserializeObject <IDictionary <string, string> >(
responseStream);
if (responseValues != null)
{
OAuthErrorHandler.ThrowIfError(responseValues);
return(new AccountSession(responseValues, this.ServiceInfo.AppId, AccountType.MicrosoftAccount));
}
throw new OneDriveException(
new Error
{
Code = OneDriveErrorCode.AuthenticationFailure.ToString(),
Message = "Authentication failed. No response values returned from authentication flow."
});
}
}
internal async Task <AccountSession> GetAccountSessionAsync()
{
var returnUrlForRequest = string.IsNullOrEmpty(this.ServiceInfo.ReturnUrl)
? WebAuthenticationBroker.GetCurrentApplicationCallbackUri().ToString()
: this.ServiceInfo.ReturnUrl;
var requestUriStringBuilder = new StringBuilder();
requestUriStringBuilder.Append(this.ServiceInfo.AuthenticationServiceUrl);
requestUriStringBuilder.AppendFormat("?{0}={1}", Constants.Authentication.RedirectUriKeyName, returnUrlForRequest);
requestUriStringBuilder.AppendFormat("&{0}={1}", Constants.Authentication.ClientIdKeyName, this.ServiceInfo.AppId);
requestUriStringBuilder.AppendFormat("&{0}={1}", Constants.Authentication.ScopeKeyName, string.Join("%20", this.ServiceInfo.Scopes));
requestUriStringBuilder.AppendFormat("&{0}={1}", Constants.Authentication.ResponseTypeKeyName, Constants.Authentication.TokenResponseTypeValueName);
var requestUri = new Uri(requestUriStringBuilder.ToString());
var authenticationResponseValues = await this.ServiceInfo.WebAuthenticationUi.AuthenticateAsync(
requestUri,
string.IsNullOrEmpty(this.ServiceInfo.ReturnUrl)
?null
: new Uri(this.ServiceInfo.ReturnUrl));
OAuthErrorHandler.ThrowIfError(authenticationResponseValues);
return(new AccountSession(authenticationResponseValues, this.ServiceInfo.AppId, AccountType.MicrosoftAccount)
{
CanSignOut = true
});
}
internal async Task <string> GetAuthorizationCodeAsync(string returnUrl = null)
{
if (this.ServiceInfo.WebAuthenticationUi != null)
{
returnUrl = returnUrl ?? this.ServiceInfo.ReturnUrl;
var requestUri = new Uri(this.OAuthRequestStringBuilder.GetAuthorizationCodeRequestUrl(returnUrl));
var authenticationResponseValues = await this.ServiceInfo.WebAuthenticationUi.AuthenticateAsync(
requestUri,
new Uri(returnUrl));
OAuthErrorHandler.ThrowIfError(authenticationResponseValues);
string code;
if (authenticationResponseValues != null && authenticationResponseValues.TryGetValue("code", out code))
{
return(code);
}
}
return(null);
}
internal async Task <string> GetAuthorizationCodeAsync(string returnUrl = null)
{
if (this.ServiceInfo.WebAuthenticationUi != null)
{
returnUrl = returnUrl ?? this.ServiceInfo.ReturnUrl;
var requestUriStringBuilder = new StringBuilder();
requestUriStringBuilder.Append(this.ServiceInfo.AuthenticationServiceUrl);
requestUriStringBuilder.AppendFormat("?{0}={1}", Constants.Authentication.RedirectUriKeyName, returnUrl);
requestUriStringBuilder.AppendFormat("&{0}={1}", Constants.Authentication.ClientIdKeyName, this.ServiceInfo.AppId);
requestUriStringBuilder.AppendFormat("&{0}={1}", Constants.Authentication.ScopeKeyName, WebUtility.UrlEncode(string.Join(" ", this.ServiceInfo.Scopes)));
if (!string.IsNullOrEmpty(this.ServiceInfo.UserId))
{
requestUriStringBuilder.AppendFormat("&{0}={1}", Constants.Authentication.UserIdKeyName, this.ServiceInfo.UserId);
}
requestUriStringBuilder.AppendFormat("&{0}={1}", Constants.Authentication.ResponseTypeKeyName, Constants.Authentication.CodeKeyName);
var requestUri = new Uri(requestUriStringBuilder.ToString());
var authenticationResponseValues = await this.ServiceInfo.WebAuthenticationUi.AuthenticateAsync(
requestUri,
new Uri(returnUrl));
OAuthErrorHandler.ThrowIfError(authenticationResponseValues);
string code;
if (authenticationResponseValues != null && authenticationResponseValues.TryGetValue("code", out code))
{
return(code);
}
}
return(null);
}
protected override async Task <IAuthenticationResult> AuthenticateResourceAsync(string resource)
{
IAuthenticationResult authenticationResult = null;
var adalServiceInfo = this.ServiceInfo as AdalServiceInfo;
ClientAssertionCertificate clientAssertionCertificate = null;
ClientCredential clientCredential = this.GetClientCredentialForAuthentication();
var userIdentifier = this.GetUserIdentifierForAuthentication();
try
{
if (adalServiceInfo != null && adalServiceInfo.ClientCertificate != null)
{
clientAssertionCertificate = new ClientAssertionCertificate(this.serviceInfo.AppId, adalServiceInfo.ClientCertificate);
authenticationResult = await this.authenticationContextWrapper.AcquireTokenSilentAsync(resource, clientAssertionCertificate, userIdentifier);
}
else if (clientCredential != null)
{
authenticationResult = await this.authenticationContextWrapper.AcquireTokenSilentAsync(resource, clientCredential, userIdentifier);
}
else
{
authenticationResult = await this.authenticationContextWrapper.AcquireTokenSilentAsync(resource, this.serviceInfo.AppId);
}
}
catch (Exception)
{
// If an exception happens during silent authentication try interactive authentication.
}
if (authenticationResult != null)
{
return(authenticationResult);
}
try
{
var redirectUri = new Uri(this.ServiceInfo.ReturnUrl);
if (clientAssertionCertificate != null || clientCredential != null)
{
var webAuthenticationUi = this.serviceInfo.WebAuthenticationUi ?? new FormsWebAuthenticationUi();
var requestUri = new Uri(this.OAuthRequestStringBuilder.GetAuthorizationCodeRequestUrl());
var authenticationResponseValues = await webAuthenticationUi.AuthenticateAsync(
requestUri,
redirectUri);
OAuthErrorHandler.ThrowIfError(authenticationResponseValues);
string code;
if (authenticationResponseValues != null && authenticationResponseValues.TryGetValue("code", out code))
{
if (clientAssertionCertificate != null)
{
authenticationResult = await this.authenticationContextWrapper.AcquireTokenByAuthorizationCodeAsync(
code,
redirectUri,
clientAssertionCertificate,
resource);
}
else
{
authenticationResult = await this.authenticationContextWrapper.AcquireTokenByAuthorizationCodeAsync(
code,
redirectUri,
clientCredential,
resource);
}
}
}
else
{
authenticationResult = this.authenticationContextWrapper.AcquireToken(
resource,
this.ServiceInfo.AppId,
redirectUri,
PromptBehavior.Auto,
userIdentifier);
}
}
catch (Exception exception)
{
AuthenticationExceptionHelper.HandleAuthenticationException(exception);
}
if (authenticationResult == null)
{
AuthenticationExceptionHelper.HandleAuthenticationException(null);
}
return(authenticationResult);
}