/// <summary> /// Create a authorise token from the request. Returns the bdy html result. /// </summary> /// <param name="httpRequest">The current http request.</param> /// <param name="rawUri">A System.Uri object containing information regarding the URL of the current request.</param> /// <param name="queryString">The collection of HTTP query string variables.</param> /// <param name="form">The collection of form variables.</param> /// <param name="headers">The collection of HTTP headers.</param> /// <param name="cookies">The collection of cookies sent by the client.</param> /// <param name="returnType">The type of response to return.</param> /// <param name="responseHeaders">The response headers for the request.</param> /// <param name="isApprovedByUser">Has the user approved the client to access the resources.</param> /// <returns>The formatted redirect url; else null.</returns> private object CreateAuthorise(HttpRequestBase httpRequest, Uri rawUri, NameValueCollection queryString, NameValueCollection form, NameValueCollection headers, HttpCookieCollection cookies, int returnType, out System.Net.WebHeaderCollection responseHeaders, bool isApprovedByUser) { IDirectedProtocolMessage response = null; OutgoingWebResponse webResponse = null; string clientID = null; string nonce = null; string codeKey = null; try { // Make sure that all the passed parameters are valid. if (httpRequest == null) { throw new ArgumentNullException("httpRequest"); } if (rawUri == null) { throw new ArgumentNullException("rawUri"); } if (queryString == null) { throw new ArgumentNullException("queryString"); } if (form == null) { throw new ArgumentNullException("form"); } if (headers == null) { throw new ArgumentNullException("headers"); } if (cookies == null) { throw new ArgumentNullException("cookies"); } // Read the request make sure it is valid. EndUserAuthorizationRequest pendingRequest = _authorizationServer.ReadAuthorizationRequest(httpRequest); if (pendingRequest == null) { throw new Exception("Missing authorization request."); } // Only process if the user has approved the request. if (isApprovedByUser) { // Make sure all maditor parameters are present. _oAuthAuthorizationServer.ValidateAuthoriseRequestParametersAbsent(queryString); if (_oAuthAuthorizationServer.ParametersAbsent.Count() > 0) { throw new Exception("Some authorisation request parameters are missing."); } // Assign each query string parameter. clientID = pendingRequest.ClientIdentifier; string callback = pendingRequest.Callback.ToString(); string state = pendingRequest.ClientState; string scope = OAuthUtilities.JoinScopes(pendingRequest.Scope); string responseType = (pendingRequest.ResponseType == EndUserAuthorizationResponseType.AccessToken ? "token" : "code"); string companyUniqueUserID = queryString["com_unique_uid"]; // Set the crytography key store values. _authorizationServer.AuthorizationServerServices.CryptoKeyStore.ExpiryDateTime = DateTime.UtcNow.AddYears(1); _authorizationServer.AuthorizationServerServices.CryptoKeyStore.ClientIndetifier = clientID; _authorizationServer.AuthorizationServerServices.CryptoKeyStore.GetCodeKey = false; // Create a new nonce and store it in the nonce store. nonce = _nonceStore.GenerateNonce(); _nonceStore.StoreNonce(DateTime.UtcNow, nonce, clientID); // Create the access token from the stores, and create a new verification code. string verifier = _consumerStore.SetVerificationCode(clientID, nonce, companyUniqueUserID, scope); EndUserAuthorizationSuccessAccessTokenResponse successAccessTokenResponse = null; // Prepare the request. pass the nonce and join the userID and nonce of // the user that approved the resource access request. response = _authorizationServer.PrepareApproveAuthorizationRequest( pendingRequest, companyUniqueUserID + "_" + nonce, nonce, out successAccessTokenResponse); // Prepare the authorisation response. webResponse = _authorizationServer.Channel.PrepareResponse(response); // Create the query collection of the code request // and extract the code value that is to be sent // the the client. NameValueCollection queryResponseString = new NameValueCollection(); Uri uriRequest = webResponse.GetDirectUriRequest(_authorizationServer.Channel); // For each query item. string[] queries = uriRequest.Query.Split(new char[] { '&' }); foreach (string query in queries) { // Add the query name and value to the collection. string[] queriesNameValue = query.Split(new char[] { '=' }); queryResponseString.Add(queriesNameValue[0].TrimStart(new char[] { '?' }), queriesNameValue[1]); } // What type of response is to be handled. switch (pendingRequest.ResponseType) { case EndUserAuthorizationResponseType.AuthorizationCode: // The user has requested a code, this is // used so the client can get a token later. // If the code response type exits. if (queryResponseString["code"] != null) { codeKey = HttpUtility.UrlDecode(queryResponseString["code"]); } // Insert the code key (code or token); if (!String.IsNullOrEmpty(codeKey)) { _tokenStore.StoreCodeKey(clientID, nonce, codeKey); } break; case EndUserAuthorizationResponseType.AccessToken: // This is used so the client is approved and a token is sent back. // Update the access token. if (successAccessTokenResponse != null) { if (!String.IsNullOrEmpty(successAccessTokenResponse.AccessToken)) { _tokenStore.UpdateAccessToken(successAccessTokenResponse.AccessToken, nonce); } } break; } } else { // Send an error response. response = _authorizationServer.PrepareRejectAuthorizationRequest(pendingRequest); } // What type should be returned. switch (returnType) { case 0: // A URI request redirect only. responseHeaders = webResponse.Headers; return(webResponse.GetDirectUriRequest(_authorizationServer.Channel)); case 1: // The complete html body. responseHeaders = webResponse.Headers; return(webResponse.Body); default: // Default is the complete html body. responseHeaders = webResponse.Headers; return(webResponse.Body); } } catch (Exception ex) { // Get the current token errors. responseHeaders = null; _tokenError = ex.Message; return(null); } }
/// <summary> /// Create a authorise token from the request. /// </summary> /// <param name="rawUri">A System.Uri object containing information regarding the URL of the current request.</param> /// <param name="queryString">The collection of HTTP query string variables.</param> /// <param name="form">The collection of form variables.</param> /// <param name="headers">The collection of HTTP headers.</param> /// <param name="cookies">The collection of cookies sent by the client.</param> /// <param name="isApprovedByUser">Has the user approved the client to access the resources.</param> /// <returns>The formatted redirect url; else null.</returns> public string CreateAuthoriseToken(Uri rawUri, NameValueCollection queryString, NameValueCollection form, NameValueCollection headers, HttpCookieCollection cookies, bool isApprovedByUser = false) { try { // Make sure that all the passed parameters are valid. if (rawUri == null) { throw new ArgumentNullException("rawUri"); } if (queryString == null) { throw new ArgumentNullException("queryString"); } if (form == null) { throw new ArgumentNullException("form"); } if (headers == null) { throw new ArgumentNullException("headers"); } if (cookies == null) { throw new ArgumentNullException("cookies"); } // Only process if the user has approved the request. if (isApprovedByUser) { // Make sure that all the maditory OAuth parameters // have been passed to the provider from the consumer OAuthProblemReport validate = new OAuthProblemReport(queryString); validate.ValidateAuthoriseParametersAbsent(queryString); string validationError = validate.ToString(); // If any of the maditory OAuth parameters are missing. if (!String.IsNullOrEmpty(validationError)) { throw new OAuthException(OAuthProblemParameters.ParameterAbsent, "Absent Parameters", new Exception(validationError)); } // Create an assign each manditory parameter. IOAuthContext context = new OAuthContextProvider(); context.RawUri = rawUri; context.RequestMethod = "GET"; context.Headers = headers; context.QueryParameters = queryString; context.FormEncodedParameters = form; context.Token = queryString[Parameters.OAuth_Token]; context.CallbackUrl = queryString[Parameters.OAuth_Callback]; string companyUniqueUserID = queryString[Parameters.Company_Unique_User_Identifier]; // Assign each optional parameter GetOptionalAuthoriseParameters(context, queryString); // Create a new OAuth provider. _oAuthProvider = new OAuthProvider(_tokenStore, new NonceStoreInspector(_nonceStore), new TimestampRangeInspector(new TimeSpan(1, 0, 0)), new ConsumerValidationInspector(_consumerStore), new XAuthValidationInspector(ValidateXAuthMode, AuthenticateXAuthUsernameAndPassword)); // Create the access token from the stores, and create a new verification code. string verifier = _consumerStore.SetVerificationCode(context, companyUniqueUserID); IToken token = _oAuthProvider.CreateAccessToken(context); // Create the parameter response. NameValueCollection parameters = new NameValueCollection(); parameters[Parameters.OAuth_Token] = token.Token; parameters[Parameters.OAuth_Verifier] = verifier; // Return the token callback query string.. return(context.CallbackUrl + "?" + UriUtility.FormatQueryString(parameters)); } else { throw new OAuthException(OAuthProblemParameters.PermissionDenied, "Authorisation Denied", new Exception("User has denied access")); } } catch (OAuthException aex) { // Get the current token errors. _tokenError = aex.Report.ToString(); return(null); } catch (Exception ex) { // Transform the execption. OAuthException OAuthException = new OAuthException(OAuthProblemParameters.ParameterRejected, ex.Message, ex); // Get the current token errors. _tokenError = OAuthException.Report.ToString(); return(null); } }