/// <summary>
/// Prepares a request for user authorization from an authorization server.
/// </summary>
/// <param name="authorization">The authorization state to associate with this particular request.</param>
/// <returns>The authorization request.</returns>
public OutgoingWebResponse PrepareRequestUserAuthorization(IAuthorizationState authorization) {
Requires.NotNull(authorization, "authorization");
Requires.ValidState(authorization.Callback != null || (HttpContext.Current != null && HttpContext.Current.Request != null), MessagingStrings.HttpContextRequired);
Requires.ValidState(!string.IsNullOrEmpty(this.ClientIdentifier), OAuth2Strings.RequiredPropertyNotYetPreset, "ClientIdentifier");
Contract.Ensures(Contract.Result<OutgoingWebResponse>() != null);
if (authorization.Callback == null) {
authorization.Callback = this.Channel.GetRequestFromContext().GetPublicFacingUrl()
.StripMessagePartsFromQueryString(this.Channel.MessageDescriptions.Get(typeof(EndUserAuthorizationSuccessResponseBase), Protocol.Default.Version))
.StripMessagePartsFromQueryString(this.Channel.MessageDescriptions.Get(typeof(EndUserAuthorizationFailedResponse), Protocol.Default.Version));
authorization.SaveChanges();
}
var request = new EndUserAuthorizationRequest(this.AuthorizationServer) {
ClientIdentifier = this.ClientIdentifier,
Callback = authorization.Callback,
};
request.Scope.ResetContents(authorization.Scope);
// Mitigate XSRF attacks by including a state value that would be unpredictable between users, but
// verifiable for the same user/session.
// If the host is implementing the authorization tracker though, they're handling this protection themselves.
if (this.AuthorizationTracker == null) {
var context = this.Channel.GetHttpContext();
if (context.Session != null) {
request.ClientState = context.Session.SessionID;
} else {
Logger.OAuth.WarnFormat("No request context discovered, so no client state parameter could be set to mitigate XSRF attacks.");
}
}
return this.Channel.PrepareResponse(request);
}
/// <summary>
/// Initializes a new instance of the <see cref="EndUserAuthorizationSuccessAccessTokenResponse"/> class.
/// </summary>
/// <param name="clientCallback">The URL to redirect to so the client receives the message. This may not be built into the request message if the client pre-registered the URL with the authorization server.</param>
/// <param name="request">The authorization request from the user agent on behalf of the client.</param>
internal EndUserAuthorizationSuccessAccessTokenResponse(Uri clientCallback, EndUserAuthorizationRequest request)
: base(clientCallback, request) {
Requires.NotNull(clientCallback, "clientCallback");
Requires.NotNull(request, "request");
((IMessageWithClientState)this).ClientState = request.ClientState;
this.TokenType = Protocol.AccessTokenTypes.Bearer;
}
/// <summary>
/// Initializes a new instance of the <see cref="EndUserAuthorizationSuccessAuthCodeResponse"/> class.
/// </summary>
/// <param name="clientCallback">The URL to redirect to so the client receives the message. This may not be built into the request message if the client pre-registered the URL with the authorization server.</param>
/// <param name="request">The authorization request from the user agent on behalf of the client.</param>
internal EndUserAuthorizationSuccessAuthCodeResponse(Uri clientCallback, EndUserAuthorizationRequest request)
: base(clientCallback, request)
{
Requires.NotNull(clientCallback, "clientCallback");
Requires.NotNull(request, "request");
((IMessageWithClientState)this).ClientState = request.ClientState;
}
/// <summary>
/// Initializes a new instance of the <see cref="EndUserAuthorizationSuccessResponseBase"/> class.
/// </summary>
/// <param name="clientCallback">The URL to redirect to so the client receives the message. This may not be built into the request message if the client pre-registered the URL with the authorization server.</param>
/// <param name="request">The authorization request from the user agent on behalf of the client.</param>
internal EndUserAuthorizationSuccessResponseBase(Uri clientCallback, EndUserAuthorizationRequest request)
: base(request, clientCallback) {
Contract.Requires<ArgumentNullException>(clientCallback != null);
Contract.Requires<ArgumentNullException>(request != null);
((IMessageWithClientState)this).ClientState = request.ClientState;
this.Scope = new HashSet<string>(OAuthUtilities.ScopeStringComparer);
}
/// <summary>
/// Approves an authorization request and sends an HTTP response to the user agent to redirect the user back to the Client.
/// </summary>
/// <param name="authorizationRequest">The authorization request to approve.</param>
/// <param name="userName">The username of the account that approved the request (or whose data will be accessed by the client).</param>
/// <param name="scopes">The scope of access the client should be granted. If <c>null</c>, all scopes in the original request will be granted.</param>
/// <param name="callback">The Client callback URL to use when formulating the redirect to send the user agent back to the Client.</param>
public void ApproveAuthorizationRequest(EndUserAuthorizationRequest authorizationRequest, string userName, IEnumerable<string> scopes = null, Uri callback = null) {
Contract.Requires<ArgumentNullException>(authorizationRequest != null);
var response = this.PrepareApproveAuthorizationRequest(authorizationRequest, userName, scopes, callback);
this.Channel.Send(response);
}
/// <summary>
/// Initializes a new instance of the <see cref="EndUserAuthorizationSuccessAccessTokenResponse"/> class.
/// </summary>
/// <param name="clientCallback">The URL to redirect to so the client receives the message. This may not be built into the request message if the client pre-registered the URL with the authorization server.</param>
/// <param name="request">The authorization request from the user agent on behalf of the client.</param>
internal EndUserAuthorizationSuccessAccessTokenResponse(Uri clientCallback, EndUserAuthorizationRequest request)
: base(clientCallback, request) {
Contract.Requires<ArgumentNullException>(clientCallback != null);
Contract.Requires<ArgumentNullException>(request != null);
((IMessageWithClientState)this).ClientState = request.ClientState;
this.TokenType = Protocol.AccessTokenTypes.Bearer;
}
public bool CanBeAutoApproved(EndUserAuthorizationRequest authorizationRequest) {
//TODO: make sure we have a valid client secret on file matching that included with the authorization request
return (true);
//if (authorizationRequest == null) {
// throw new ArgumentNullException("authorizationRequest");
//}
//// NEVER issue an auto-approval to a client that would end up getting an access token immediately
//// (without a client secret), as that would allow arbitrary clients to masquarade as an approved client
//// and obtain unauthorized access to user data.
//if (authorizationRequest.ResponseType == EndUserAuthorizationResponseType.AuthorizationCode) {
// // Never issue auto-approval if the client secret is blank, since that too makes it easy to spoof
// // a client's identity and obtain unauthorized access.
// var requestingClient = MvcApplication.DataContext.Clients.First(c => c.ClientIdentifier == authorizationRequest.ClientIdentifier);
// if (!string.IsNullOrEmpty(requestingClient.ClientSecret)) {
// return this.IsAuthorizationValid(
// authorizationRequest.Scope,
// authorizationRequest.ClientIdentifier,
// DateTime.UtcNow,
// HttpContext.Current.User.Identity.Name);
// }
//}
//// Default to not auto-approving.
//return false;
}
public bool CanBeAutoApproved(EndUserAuthorizationRequest authorizationRequest)
{
if (authorizationRequest == null)
{
throw new ArgumentNullException("authorizationRequest");
}
// NEVER issue an auto-approval to a client that would end up getting an access token immediately
// (without a client secret), as that would allow arbitrary clients to masquarade as an approved client
// and obtain unauthorized access to user data.
if (authorizationRequest.ResponseType == EndUserAuthorizationResponseType.AuthorizationCode)
{
// Never issue auto-approval if the client secret is blank, since that too makes it easy to spoof
// a client's identity and obtain unauthorized access.
var db = new OAuthEntities();
var requestingClient = db.oauth_client.First(c => c.ClientIdentifier == authorizationRequest.ClientIdentifier);
if (!string.IsNullOrEmpty(requestingClient.ClientSecret))
{
return this.IsAuthorizationValid(
authorizationRequest.Scope,
authorizationRequest.ClientIdentifier,
DateTime.UtcNow,
"zhangsan"
//HttpContext.Current.User.Identity.Name
);
}
}
// Default to not auto-approving.
return false;
}
/// <summary>
/// Initializes a new instance of the <see cref="EndUserAuthorizationSuccessAccessTokenResponse"/> class.
/// </summary>
/// <param name="clientCallback">The URL to redirect to so the client receives the message. This may not be built into the request message if the client pre-registered the URL with the authorization server.</param>
/// <param name="request">The authorization request from the user agent on behalf of the client.</param>
internal EndUserAuthorizationSuccessAccessTokenResponse(Uri clientCallback, EndUserAuthorizationRequest request)
: base(clientCallback, request)
{
Requires.NotNull(clientCallback, "clientCallback");
Requires.NotNull(request, "request");
((IMessageWithClientState)this).ClientState = request.ClientState;
this.TokenType = Protocol.AccessTokenTypes.Bearer;
}
/// <summary>
/// Initializes a new instance of the <see cref="EndUserAuthorizationSuccessResponseBase"/> class.
/// </summary>
/// <param name="clientCallback">The URL to redirect to so the client receives the message. This may not be built into the request message if the client pre-registered the URL with the authorization server.</param>
/// <param name="request">The authorization request from the user agent on behalf of the client.</param>
internal EndUserAuthorizationSuccessResponseBase(Uri clientCallback, EndUserAuthorizationRequest request)
: base(request, clientCallback) {
Requires.NotNull(clientCallback, "clientCallback");
Requires.NotNull(request, "request");
((IMessageWithClientState)this).ClientState = request.ClientState;
this.Scope = new HashSet<string>(OAuthUtilities.ScopeStringComparer);
this.Scope.ResetContents(request.Scope);
}
/// <summary>
/// Initializes a new instance of the <see cref="EndUserAuthorizationSuccessResponseBase"/> class.
/// </summary>
/// <param name="clientCallback">The URL to redirect to so the client receives the message. This may not be built into the request message if the client pre-registered the URL with the authorization server.</param>
/// <param name="request">The authorization request from the user agent on behalf of the client.</param>
internal EndUserAuthorizationSuccessResponseBase(Uri clientCallback, EndUserAuthorizationRequest request)
: base(request, clientCallback)
{
Requires.NotNull(clientCallback, "clientCallback");
Requires.NotNull(request, "request");
((IMessageWithClientState)this).ClientState = request.ClientState;
this.Scope = new HashSet <string>(OAuthUtilities.ScopeStringComparer);
this.Scope.ResetContents(request.Scope);
}
/// <summary>
/// Generates a URL that the user's browser can be directed to in order to authorize
/// this client to access protected data at some resource server.
/// </summary>
/// <param name="authorization">The authorization state that is tracking this particular request. Optional.</param>
/// <returns>A fully-qualified URL suitable to initiate the authorization flow.</returns>
public Uri RequestUserAuthorization(IAuthorizationState authorization) {
Contract.Requires<ArgumentNullException>(authorization != null);
Contract.Requires<InvalidOperationException>(!string.IsNullOrEmpty(this.ClientIdentifier));
if (authorization.Callback == null) {
authorization.Callback = new Uri("http://localhost/");
}
var request = new EndUserAuthorizationRequest(this.AuthorizationServer) {
ClientIdentifier = this.ClientIdentifier,
Callback = authorization.Callback,
};
request.Scope.ResetContents(authorization.Scope);
return this.Channel.PrepareResponse(request).GetDirectUriRequest(this.Channel);
}
/// <summary>
/// Generates a URL that the user's browser can be directed to in order to authorize
/// this client to access protected data at some resource server.
/// </summary>
/// <param name="authorization">The authorization state that is tracking this particular request. Optional.</param>
/// <param name="state">The client state that should be returned with the authorization response.</param>
/// <returns>
/// A fully-qualified URL suitable to initiate the authorization flow.
/// </returns>
public Uri RequestUserAuthorization(IAuthorizationState authorization, string state = null) {
Requires.NotNull(authorization, "authorization");
Requires.ValidState(!string.IsNullOrEmpty(this.ClientIdentifier));
if (authorization.Callback == null) {
authorization.Callback = new Uri("http://localhost/");
}
var request = new EndUserAuthorizationRequest(this.AuthorizationServer) {
ClientIdentifier = this.ClientIdentifier,
Callback = authorization.Callback,
ClientState = state,
};
request.Scope.ResetContents(authorization.Scope);
return this.Channel.PrepareResponse(request).GetDirectUriRequest(this.Channel);
}
protected void Page_Load(object sender, EventArgs e) {
if (!IsPostBack) {
this.pendingRequest = OAuthServiceProvider.AuthorizationServer.ReadAuthorizationRequest();
if (this.pendingRequest == null) {
throw new HttpException((int)HttpStatusCode.BadRequest, "Missing authorization request.");
}
this.csrfCheck.Value = Code.SiteUtilities.SetCsrfCookie();
var requestingClient = Database.DataContext.Clients.First(c => c.ClientIdentifier == this.pendingRequest.ClientIdentifier);
this.consumerNameLabel.Text = HttpUtility.HtmlEncode(requestingClient.Name);
this.scopeLabel.Text = HttpUtility.HtmlEncode(OAuthUtilities.JoinScopes(this.pendingRequest.Scope));
// Consider auto-approving if safe to do so.
if (((OAuthAuthorizationServer)OAuthServiceProvider.AuthorizationServer.AuthorizationServerServices).CanBeAutoApproved(this.pendingRequest)) {
OAuthServiceProvider.AuthorizationServer.ApproveAuthorizationRequest(this.pendingRequest, HttpContext.Current.User.Identity.Name);
}
this.ViewState["AuthRequest"] = this.pendingRequest;
} else {
Code.SiteUtilities.VerifyCsrfCookie(this.csrfCheck.Value);
this.pendingRequest = (EndUserAuthorizationRequest)this.ViewState["AuthRequest"];
}
}
protected void Page_Load(object sender, EventArgs e) {
this.RegisterAsyncTask(
new PageAsyncTask(
async ct => {
if (!IsPostBack) {
this.pendingRequest =
await
OAuthServiceProvider.AuthorizationServer.ReadAuthorizationRequestAsync(
new HttpRequestWrapper(Request), Response.ClientDisconnectedToken);
if (this.pendingRequest == null) {
throw new HttpException((int)HttpStatusCode.BadRequest, "Missing authorization request.");
}
this.csrfCheck.Value = Code.SiteUtilities.SetCsrfCookie();
var requestingClient =
Database.DataContext.Clients.First(c => c.ClientIdentifier == this.pendingRequest.ClientIdentifier);
this.consumerNameLabel.Text = HttpUtility.HtmlEncode(requestingClient.Name);
this.scopeLabel.Text = HttpUtility.HtmlEncode(OAuthUtilities.JoinScopes(this.pendingRequest.Scope));
// Consider auto-approving if safe to do so.
if (
((OAuthAuthorizationServer)OAuthServiceProvider.AuthorizationServer.AuthorizationServerServices)
.CanBeAutoApproved(this.pendingRequest)) {
var response = OAuthServiceProvider.AuthorizationServer.PrepareApproveAuthorizationRequest(
this.pendingRequest, HttpContext.Current.User.Identity.Name);
var responseMessage =
await
OAuthServiceProvider.AuthorizationServer.Channel.PrepareResponseAsync(
response, Response.ClientDisconnectedToken);
await responseMessage.SendAsync(new HttpContextWrapper(this.Context), Response.ClientDisconnectedToken);
this.Context.Response.End();
}
this.ViewState["AuthRequest"] = this.pendingRequest;
} else {
Code.SiteUtilities.VerifyCsrfCookie(this.csrfCheck.Value);
this.pendingRequest = (EndUserAuthorizationRequest)this.ViewState["AuthRequest"];
}
}));
}
/// <summary>
/// Prepares a request for user authorization from an authorization server.
/// </summary>
/// <param name="authorization">The authorization state to associate with this particular request.</param>
/// <param name="state">The state of the client that should be sent back with the authorization response.</param>
/// <returns>The authorization request.</returns>
public OutgoingWebResponse PrepareRequestUserAuthorization(IAuthorizationState authorization, string state = null) {
Contract.Requires<ArgumentNullException>(authorization != null);
Contract.Requires<InvalidOperationException>(authorization.Callback != null || (HttpContext.Current != null && HttpContext.Current.Request != null), MessagingStrings.HttpContextRequired);
Contract.Requires<InvalidOperationException>(!string.IsNullOrEmpty(this.ClientIdentifier));
Contract.Ensures(Contract.Result<OutgoingWebResponse>() != null);
if (authorization.Callback == null) {
authorization.Callback = this.Channel.GetRequestFromContext().UrlBeforeRewriting
.StripMessagePartsFromQueryString(this.Channel.MessageDescriptions.Get(typeof(EndUserAuthorizationSuccessResponseBase), Protocol.Default.Version))
.StripMessagePartsFromQueryString(this.Channel.MessageDescriptions.Get(typeof(EndUserAuthorizationFailedResponse), Protocol.Default.Version));
authorization.SaveChanges();
}
var request = new EndUserAuthorizationRequest(this.AuthorizationServer) {
ClientIdentifier = this.ClientIdentifier,
Callback = authorization.Callback,
ClientState = state,
};
request.Scope.ResetContents(authorization.Scope);
return this.Channel.PrepareResponse(request);
}
/// <summary>
/// Gets the redirect URL to use for a particular authorization request.
/// </summary>
/// <param name="authorizationRequest">The authorization request.</param>
/// <returns>The URL to redirect to. Never <c>null</c>.</returns>
/// <exception cref="ProtocolException">Thrown if no callback URL could be determined.</exception>
protected Uri GetCallback(EndUserAuthorizationRequest authorizationRequest) {
Contract.Requires<ArgumentNullException>(authorizationRequest != null);
Contract.Ensures(Contract.Result<Uri>() != null);
var client = this.AuthorizationServerServices.GetClientOrThrow(authorizationRequest.ClientIdentifier);
// Prefer a request-specific callback to the pre-registered one (if any).
if (authorizationRequest.Callback != null) {
// The OAuth channel has already validated the callback parameter against
// the authorization server's whitelist for this client.
return authorizationRequest.Callback;
}
// Since the request didn't include a callback URL, look up the callback from
// the client's preregistration with this authorization server.
Uri defaultCallback = client.DefaultCallback;
ErrorUtilities.VerifyProtocol(defaultCallback != null, OAuthStrings.NoCallback);
return defaultCallback;
}
/// <summary>
/// Prepares a response to inform the Client that the user has rejected the Client's authorization request.
/// </summary>
/// <param name="authorizationRequest">The authorization request.</param>
/// <param name="callback">The Client callback URL to use when formulating the redirect to send the user agent back to the Client.</param>
/// <returns>The authorization response message to send to the Client.</returns>
public EndUserAuthorizationFailedResponse PrepareRejectAuthorizationRequest(EndUserAuthorizationRequest authorizationRequest, Uri callback = null) {
Contract.Requires<ArgumentNullException>(authorizationRequest != null);
Contract.Ensures(Contract.Result<EndUserAuthorizationFailedResponse>() != null);
if (callback == null) {
callback = this.GetCallback(authorizationRequest);
}
var response = new EndUserAuthorizationFailedResponse(callback, authorizationRequest);
return response;
}
/// <summary>
/// Approves an authorization request.
/// </summary>
/// <param name="authorizationRequest">The authorization request to approve.</param>
/// <param name="userName">The username of the account that approved the request (or whose data will be accessed by the client).</param>
/// <param name="scopes">The scope of access the client should be granted. If <c>null</c>, all scopes in the original request will be granted.</param>
/// <param name="callback">The Client callback URL to use when formulating the redirect to send the user agent back to the Client.</param>
/// <returns>The authorization response message to send to the Client.</returns>
public EndUserAuthorizationSuccessResponseBase PrepareApproveAuthorizationRequest(EndUserAuthorizationRequest authorizationRequest, string userName, IEnumerable<string> scopes = null, Uri callback = null) {
Contract.Requires<ArgumentNullException>(authorizationRequest != null);
Contract.Requires<ArgumentException>(!String.IsNullOrEmpty(userName));
Contract.Ensures(Contract.Result<EndUserAuthorizationSuccessResponseBase>() != null);
if (callback == null) {
callback = this.GetCallback(authorizationRequest);
}
var client = this.AuthorizationServerServices.GetClientOrThrow(authorizationRequest.ClientIdentifier);
EndUserAuthorizationSuccessResponseBase response;
switch (authorizationRequest.ResponseType) {
case EndUserAuthorizationResponseType.AccessToken:
var accessTokenResponse = new EndUserAuthorizationSuccessAccessTokenResponse(callback, authorizationRequest);
accessTokenResponse.Lifetime = this.AuthorizationServerServices.GetAccessTokenLifetime(authorizationRequest);
response = accessTokenResponse;
break;
case EndUserAuthorizationResponseType.AuthorizationCode:
response = new EndUserAuthorizationSuccessAuthCodeResponse(callback, authorizationRequest);
break;
default:
throw ErrorUtilities.ThrowInternal("Unexpected response type.");
}
response.AuthorizingUsername = userName;
// Customize the approved scope if the authorization server has decided to do so.
if (scopes != null) {
response.Scope.ResetContents(scopes);
}
return response;
}
/// <summary>
/// Initializes a new instance of the <see cref="EndUserAuthorizationFailedResponse"/> class.
/// </summary>
/// <param name="clientCallback">The URL to redirect to so the client receives the message. This may not be built into the request message if the client pre-registered the URL with the authorization server.</param>
/// <param name="request">The authorization request from the user agent on behalf of the client.</param>
internal EndUserAuthorizationFailedResponse(Uri clientCallback, EndUserAuthorizationRequest request)
: base(((IProtocolMessage)request).Version, MessageTransport.Indirect, clientCallback) {
Requires.NotNull(request, "request");
((IMessageWithClientState)this).ClientState = request.ClientState;
}
/// <summary>
/// Initializes a new instance of the <see cref="EndUserAuthorizationFailedResponse"/> class.
/// </summary>
/// <param name="clientCallback">The URL to redirect to so the client receives the message. This may not be built into the request message if the client pre-registered the URL with the authorization server.</param>
/// <param name="request">The authorization request from the user agent on behalf of the client.</param>
internal EndUserAuthorizationFailedResponse(Uri clientCallback, EndUserAuthorizationRequest request)
: base(((IProtocolMessage)request).Version, MessageTransport.Indirect, clientCallback) {
Contract.Requires<ArgumentNullException>(request != null);
((IMessageWithClientState)this).ClientState = request.ClientState;
}
/// <summary>
/// Rejects an authorization request and sends an HTTP response to the user agent to redirect the user back to the Client.
/// </summary>
/// <param name="authorizationRequest">The authorization request to disapprove.</param>
/// <param name="callback">The Client callback URL to use when formulating the redirect to send the user agent back to the Client.</param>
public void RejectAuthorizationRequest(EndUserAuthorizationRequest authorizationRequest, Uri callback = null) {
Contract.Requires<ArgumentNullException>(authorizationRequest != null);
var response = this.PrepareRejectAuthorizationRequest(authorizationRequest, callback);
this.Channel.Respond(response);
}
/// <summary>
/// Initializes a new instance of the <see cref="EndUserAuthorizationFailedResponse"/> class.
/// </summary>
/// <param name="clientCallback">The URL to redirect to so the client receives the message. This may not be built into the request message if the client pre-registered the URL with the authorization server.</param>
/// <param name="request">The authorization request from the user agent on behalf of the client.</param>
internal EndUserAuthorizationFailedResponse(Uri clientCallback, EndUserAuthorizationRequest request)
: base(((IProtocolMessage)request).Version, MessageTransport.Indirect, clientCallback)
{
Requires.NotNull(request, "request");
((IMessageWithClientState)this).ClientState = request.ClientState;
}
/// <summary>
/// Approves an authorization request.
/// </summary>
/// <param name="authorizationRequest">The authorization request to approve.</param>
/// <param name="userName">The username of the account that approved the request (or whose data will be accessed by the client).</param>
/// <param name="scopes">The scope of access the client should be granted. If <c>null</c>, all scopes in the original request will be granted.</param>
/// <param name="callback">The Client callback URL to use when formulating the redirect to send the user agent back to the Client.</param>
/// <returns>The authorization response message to send to the Client.</returns>
public EndUserAuthorizationSuccessResponseBase PrepareApproveAuthorizationRequest(EndUserAuthorizationRequest authorizationRequest, string userName, IEnumerable<string> scopes = null, Uri callback = null) {
Requires.NotNull(authorizationRequest, "authorizationRequest");
Requires.NotNullOrEmpty(userName, "userName");
Contract.Ensures(Contract.Result<EndUserAuthorizationSuccessResponseBase>() != null);
if (callback == null) {
callback = this.GetCallback(authorizationRequest);
}
var client = this.AuthorizationServerServices.GetClientOrThrow(authorizationRequest.ClientIdentifier);
EndUserAuthorizationSuccessResponseBase response;
switch (authorizationRequest.ResponseType) {
case EndUserAuthorizationResponseType.AccessToken:
IAccessTokenRequestInternal accessRequestInternal = (EndUserAuthorizationImplicitRequest)authorizationRequest;
var accessTokenResult = this.AuthorizationServerServices.CreateAccessToken(accessRequestInternal);
ErrorUtilities.VerifyHost(accessTokenResult != null, "IAuthorizationServerHost.CreateAccessToken must not return null.");
accessRequestInternal.AccessTokenResult = accessTokenResult;
var implicitGrantResponse = new EndUserAuthorizationSuccessAccessTokenResponse(callback, authorizationRequest);
implicitGrantResponse.Lifetime = accessTokenResult.AccessToken.Lifetime;
accessTokenResult.AccessToken.ApplyAuthorization(implicitGrantResponse.Scope, userName, implicitGrantResponse.Lifetime);
IAccessTokenCarryingRequest tokenCarryingResponse = implicitGrantResponse;
tokenCarryingResponse.AuthorizationDescription = accessTokenResult.AccessToken;
response = implicitGrantResponse;
break;
case EndUserAuthorizationResponseType.AuthorizationCode:
var authCodeResponse = new EndUserAuthorizationSuccessAuthCodeResponseAS(callback, authorizationRequest);
IAuthorizationCodeCarryingRequest codeCarryingResponse = authCodeResponse;
codeCarryingResponse.AuthorizationDescription = new AuthorizationCode(
authorizationRequest.ClientIdentifier,
authorizationRequest.Callback,
authCodeResponse.Scope,
userName);
response = authCodeResponse;
break;
default:
throw ErrorUtilities.ThrowInternal("Unexpected response type.");
}
response.AuthorizingUsername = userName;
// Customize the approved scope if the authorization server has decided to do so.
if (scopes != null) {
response.Scope.ResetContents(scopes);
}
return response;
}
/// <summary>
/// Rejects an authorization request and sends an HTTP response to the user agent to redirect the user back to the Client.
/// </summary>
/// <param name="authorizationRequest">The authorization request to disapprove.</param>
/// <param name="callback">The Client callback URL to use when formulating the redirect to send the user agent back to the Client.</param>
public void RejectAuthorizationRequest(EndUserAuthorizationRequest authorizationRequest, Uri callback = null) {
Requires.NotNull(authorizationRequest, "authorizationRequest");
var response = this.PrepareRejectAuthorizationRequest(authorizationRequest, callback);
this.Channel.Respond(response);
}
/// <summary>
/// Approves an authorization request and sends an HTTP response to the user agent to redirect the user back to the Client.
/// </summary>
/// <param name="authorizationRequest">The authorization request to approve.</param>
/// <param name="userName">The username of the account that approved the request (or whose data will be accessed by the client).</param>
/// <param name="scopes">The scope of access the client should be granted. If <c>null</c>, all scopes in the original request will be granted.</param>
/// <param name="callback">The Client callback URL to use when formulating the redirect to send the user agent back to the Client.</param>
public void ApproveAuthorizationRequest(EndUserAuthorizationRequest authorizationRequest, string userName, IEnumerable<string> scopes = null, Uri callback = null) {
Requires.NotNull(authorizationRequest, "authorizationRequest");
var response = this.PrepareApproveAuthorizationRequest(authorizationRequest, userName, scopes, callback);
this.Channel.Respond(response);
}
/// <summary>
/// Initializes a new instance of the <see cref="EndUserAuthorizationSuccessAuthCodeResponseAS"/> class.
/// </summary>
/// <param name="clientCallback">The URL to redirect to so the client receives the message. This may not be built into the request message if the client pre-registered the URL with the authorization server.</param>
/// <param name="request">The authorization request from the user agent on behalf of the client.</param>
internal EndUserAuthorizationSuccessAuthCodeResponseAS(Uri clientCallback, EndUserAuthorizationRequest request)
: base(clientCallback, request) {
Requires.NotNull(clientCallback, "clientCallback");
Requires.NotNull(request, "request");
((IMessageWithClientState)this).ClientState = request.ClientState;
}
/// <summary>
/// Prepares a response to inform the Client that the user has rejected the Client's authorization request.
/// </summary>
/// <param name="authorizationRequest">The authorization request.</param>
/// <param name="callback">The Client callback URL to use when formulating the redirect to send the user agent back to the Client.</param>
/// <returns>The authorization response message to send to the Client.</returns>
public EndUserAuthorizationFailedResponse PrepareRejectAuthorizationRequest(EndUserAuthorizationRequest authorizationRequest, Uri callback = null) {
Requires.NotNull(authorizationRequest, "authorizationRequest");
if (callback == null) {
callback = this.GetCallback(authorizationRequest);
}
var response = new EndUserAuthorizationFailedResponse(callback, authorizationRequest);
return response;
}
/// <summary>
/// Initializes a new instance of the <see cref="EndUserAuthorizationSuccessAuthCodeResponse"/> class.
/// </summary>
/// <param name="clientCallback">The URL to redirect to so the client receives the message. This may not be built into the request message if the client pre-registered the URL with the authorization server.</param>
/// <param name="request">The authorization request from the user agent on behalf of the client.</param>
internal EndUserAuthorizationSuccessAuthCodeResponse(Uri clientCallback, EndUserAuthorizationRequest request)
: base(clientCallback, request) {
Contract.Requires<ArgumentNullException>(clientCallback != null);
Contract.Requires<ArgumentNullException>(request != null);
((IMessageWithClientState)this).ClientState = request.ClientState;
}
public bool CanBeAutoApproved(EndUserAuthorizationRequest authorizationRequest)
{
//For the sake of this exercise, don't auto-approve anyone.
return false;
}
