public override void ProcessRequest(ICommunicationContext ctx) { var postDataListID = GetDataListID(ctx); if(postDataListID != null) { new WebPostRequestHandler().ProcessRequest(ctx); return; } var serviceName = GetServiceName(ctx); var workspaceID = GetWorkspaceID(ctx); var requestTO = new WebRequestTO { ServiceName = serviceName, WebServerUrl = ctx.Request.Uri.ToString(), Dev2WebServer = String.Format("{0}://{1}", ctx.Request.Uri.Scheme, ctx.Request.Uri.Authority) }; var data = GetPostData(ctx); if(!String.IsNullOrEmpty(data)) { requestTO.RawRequestPayload = data; } var variables = ctx.Request.BoundVariables; if(variables != null) { foreach(string key in variables) { requestTO.Variables.Add(key, variables[key]); } } // Execute in its own thread to give proper context ;) Thread.CurrentPrincipal = ctx.Request.User; var responseWriter = CreateForm(requestTO, serviceName, workspaceID, ctx.FetchHeaders()); ctx.Send(responseWriter); }
public override void ProcessRequest(ICommunicationContext ctx) { var serviceName = GetServiceName(ctx); var instanceId = GetInstanceID(ctx); var bookmark = GetBookmark(ctx); var postDataListID = GetDataListID(ctx); var workspaceID = GetWorkspaceID(ctx); var requestTO = new WebRequestTO(); var xml = GetPostData(ctx, postDataListID); if(!String.IsNullOrEmpty(xml)) { requestTO.RawRequestPayload = xml; } requestTO.ServiceName = serviceName; requestTO.InstanceID = instanceId; requestTO.Bookmark = bookmark; requestTO.WebServerUrl = ctx.Request.Uri.ToString(); requestTO.Dev2WebServer = String.Format("{0}://{1}", ctx.Request.Uri.Scheme, ctx.Request.Uri.Authority); // Execute in its own thread to give proper context ;) Thread.CurrentPrincipal = ctx.Request.User; var responseWriter = CreateForm(requestTO, serviceName, workspaceID, ctx.FetchHeaders(), PublicFormats, ctx.Request.User); ctx.Send(responseWriter); }
public override void ProcessRequest(ICommunicationContext ctx) { var serviceName = GetServiceName(ctx); var instanceId = GetInstanceID(ctx); var bookmark = GetBookmark(ctx); GetDataListID(ctx); var workspaceID = GetWorkspaceID(ctx); var formData = new WebRequestTO(); var xml = GetPostData(ctx); if(!String.IsNullOrEmpty(xml)) { formData.RawRequestPayload = xml; } formData.ServiceName = serviceName; formData.InstanceID = instanceId; formData.Bookmark = bookmark; formData.WebServerUrl = ctx.Request.Uri.ToString(); formData.Dev2WebServer = String.Format("{0}://{1}", ctx.Request.Uri.Scheme, ctx.Request.Uri.Authority); if(ExecutingUser == null) { throw new Exception("Null Executing User"); } try { // Execute in its own thread to give proper context ;) var t = new Thread(() => { Thread.CurrentPrincipal = ExecutingUser; var responseWriter = CreateForm(formData, serviceName, workspaceID, ctx.FetchHeaders(),ctx.Request.User); ctx.Send(responseWriter); }); t.Start(); t.Join(); } catch(Exception e) { // ReSharper disable InvokeAsExtensionMethod Dev2Logger.Log.Error(this, e); // ReSharper restore InvokeAsExtensionMethod } }
protected static IResponseWriter CreateForm(WebRequestTO webRequest, string serviceName, string workspaceId, NameValueCollection headers, List<DataListFormat> publicFormats, IPrincipal user = null) { //lock(ExecutionObject) { string executePayload = ""; IDataListCompiler compiler = DataListFactory.CreateDataListCompiler(); Guid workspaceGuid; if(workspaceId != null) { if(!Guid.TryParse(workspaceId, out workspaceGuid)) { workspaceGuid = WorkspaceRepository.Instance.ServerWorkspace.ID; } } else { workspaceGuid = WorkspaceRepository.Instance.ServerWorkspace.ID; } var allErrors = new ErrorResultTO(); var dataObject = new DsfDataObject(webRequest.RawRequestPayload, GlobalConstants.NullDataListID, webRequest.RawRequestPayload) { IsFromWebServer = true, ExecutingUser = user, ServiceName = serviceName, WorkspaceID = workspaceGuid }; // now bind any variables that are part of the path arguments ;) BindRequestVariablesToDataObject(webRequest, ref dataObject); // now process headers ;) if(headers != null) { Dev2Logger.Log.Debug("Remote Invoke"); var isRemote = headers.Get(HttpRequestHeader.Cookie.ToString()); var remoteId = headers.Get(HttpRequestHeader.From.ToString()); if(isRemote != null && remoteId != null) { if(isRemote.Equals(GlobalConstants.RemoteServerInvoke)) { // we have a remote invoke ;) dataObject.RemoteInvoke = true; } dataObject.RemoteInvokerID = remoteId; } } // now set the emition type ;) int loc; if(!String.IsNullOrEmpty(serviceName) && (loc = serviceName.LastIndexOf(".", StringComparison.Ordinal)) > 0) { // default it to xml dataObject.ReturnType = EmitionTypes.XML; if(loc > 0) { var typeOf = serviceName.Substring((loc + 1)).ToUpper(); EmitionTypes myType; if(Enum.TryParse(typeOf, out myType)) { dataObject.ReturnType = myType; } // adjust the service name to drop the type ;) // avoid .wiz amendments ;) if(!typeOf.ToLower().Equals(GlobalConstants.WizardExt)) { serviceName = serviceName.Substring(0, loc); dataObject.ServiceName = serviceName; } } } else { // default it to xml dataObject.ReturnType = EmitionTypes.XML; } // ensure service gets set ;) if(dataObject.ServiceName == null) { dataObject.ServiceName = serviceName; } IResource resource = null; if(!String.IsNullOrEmpty(dataObject.ServiceName)) { resource = ResourceCatalog.Instance.GetResource(dataObject.WorkspaceID, dataObject.ServiceName); if(resource != null) { dataObject.ResourceID = resource.ResourceID; } } var esbEndpoint = new EsbServicesEndpoint(); dataObject.EsbChannel = esbEndpoint; var canExecute = true; if(ServerAuthorizationService.Instance != null) { var authorizationService = ServerAuthorizationService.Instance; var hasView = authorizationService.IsAuthorized(AuthorizationContext.View, dataObject.ResourceID.ToString()); var hasExecute = authorizationService.IsAuthorized(AuthorizationContext.Execute, dataObject.ResourceID.ToString()); canExecute = (hasExecute && hasView) || (dataObject.RemoteInvoke && hasExecute) || (resource != null && resource.ResourceType == ResourceType.ReservedService); } // Build EsbExecutionRequest - Internal Services Require This ;) EsbExecuteRequest esbExecuteRequest = new EsbExecuteRequest { ServiceName = serviceName }; Dev2Logger.Log.Debug("About to execute web request [ " + serviceName + " ] DataObject Payload [ " + dataObject.RawPayload + " ]"); var executionDlid = GlobalConstants.NullDataListID; if(canExecute) { ErrorResultTO errors; executionDlid = esbEndpoint.ExecuteRequest(dataObject, esbExecuteRequest, workspaceGuid, out errors); allErrors.MergeErrors(errors); } else { allErrors.AddError("Executing a service externally requires View and Execute permissions"); } foreach(var error in dataObject.Environment.Errors) { allErrors.AddError(error,true); } // Fetch return type ;) var formatter = publicFormats.FirstOrDefault(c => c.PublicFormatName == dataObject.ReturnType) ?? publicFormats.FirstOrDefault(c => c.PublicFormatName == EmitionTypes.XML); // force it to XML if need be ;) // Fetch and convert DL ;) if(executionDlid != GlobalConstants.NullDataListID && !dataObject.Environment.HasErrors()) { // a normal service request if(!esbExecuteRequest.WasInternalService) { dataObject.DataListID = executionDlid; dataObject.WorkspaceID = workspaceGuid; dataObject.ServiceName = serviceName; // some silly chicken thinks web request where a good idea for debug ;( if(!dataObject.IsDebug || dataObject.RemoteInvoke) { if (dataObject.ReturnType == EmitionTypes.JSON) { executePayload = ExecutionEnvironmentUtils.GetJsonOutputFromEnvironment(dataObject, workspaceGuid,resource.DataList.ToString()); } else if (dataObject.ReturnType == EmitionTypes.XML) { executePayload = ExecutionEnvironmentUtils.GetXmlOutputFromEnvironment(dataObject, workspaceGuid,resource.DataList.ToString()); } dataObject.Environment.AddError(allErrors.MakeDataListReady()); } else { executePayload = string.Empty; } } else { // internal service request we need to return data for it from the request object ;) var serializer = new Dev2JsonSerializer(); executePayload = string.Empty; var msg = serializer.Deserialize<ExecuteMessage>(esbExecuteRequest.ExecuteResult); if(msg != null) { executePayload = msg.Message.ToString(); } // out fail safe to return different types of data from services ;) if(string.IsNullOrEmpty(executePayload)) { executePayload = esbExecuteRequest.ExecuteResult.ToString(); } } } else { if(dataObject.ReturnType == EmitionTypes.XML) { executePayload = "<FatalError> <Message> An internal error occurred while executing the service request </Message>"; executePayload += allErrors.MakeDataListReady(); executePayload += "</FatalError>"; } else { // convert output to JSON ;) executePayload = "{ \"FatalError\": \"An internal error occurred while executing the service request\","; executePayload += allErrors.MakeDataListReady(false); executePayload += "}"; } } Dev2Logger.Log.Debug("Execution Result [ " + executePayload + " ]"); // Clean up the datalist from the server if(!dataObject.WorkflowResumeable && executionDlid != GlobalConstants.NullDataListID) { compiler.ForceDeleteDataListByID(executionDlid); if(dataObject.IsDebug && !dataObject.IsRemoteInvoke && !dataObject.RunWorkflowAsync) { DataListRegistar.ClearDataList(); } else { foreach(var thread in dataObject.ThreadsToDispose) { DataListRegistar.DisposeScope(thread.Key, executionDlid); } DataListRegistar.DisposeScope(Thread.CurrentThread.ManagedThreadId, executionDlid); } } // old HTML throw back ;) if(dataObject.ReturnType == EmitionTypes.WIZ) { int start = (executePayload.IndexOf("<Dev2System.FormView>", StringComparison.Ordinal) + 21); int end = (executePayload.IndexOf("</Dev2System.FormView>", StringComparison.Ordinal)); int len = (end - start); if(len > 0) { if(dataObject.ReturnType == EmitionTypes.WIZ) { string tmp = executePayload.Substring(start, (end - start)); string result = CleanupHtml(tmp); const string DocType = @"<!DOCTYPE html PUBLIC ""-//W3C//DTD XHTML 1.0 Strict//EN"" ""http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"">"; return new StringResponseWriter(String.Format("{0}\r\n{1}", DocType, result), ContentTypes.Html); } } } // JSON Data ;) if(executePayload.IndexOf("</JSON>", StringComparison.Ordinal) >= 0) { int start = executePayload.IndexOf(GlobalConstants.OpenJSON, StringComparison.Ordinal); if(start >= 0) { int end = executePayload.IndexOf(GlobalConstants.CloseJSON, StringComparison.Ordinal); start += GlobalConstants.OpenJSON.Length; executePayload = CleanupHtml(executePayload.Substring(start, (end - start))); if(!String.IsNullOrEmpty(executePayload)) { return new StringResponseWriter(executePayload, ContentTypes.Json); } } } Dev2DataListDecisionHandler.Instance.RemoveEnvironment(dataObject.DataListID); dataObject.Environment = null; // else handle the format requested ;) return new StringResponseWriter(executePayload, formatter.ContentType); } }
protected static void BindRequestVariablesToDataObject(WebRequestTO request, ref DsfDataObject dataObject) { if(dataObject != null && request != null) { if(!string.IsNullOrEmpty(request.Bookmark)) { dataObject.CurrentBookmarkName = request.Bookmark; } if(!string.IsNullOrEmpty(request.InstanceID)) { Guid tmpId; if(Guid.TryParse(request.InstanceID, out tmpId)) { dataObject.WorkflowInstanceId = tmpId; } } if(!string.IsNullOrEmpty(request.ServiceName) && string.IsNullOrEmpty(dataObject.ServiceName)) { dataObject.ServiceName = request.ServiceName; } } }
protected static IResponseWriter CreateForm(WebRequestTO webRequest, string serviceName, string workspaceId, NameValueCollection headers, IPrincipal user = null) { //lock(ExecutionObject) { string executePayload = ""; Guid workspaceGuid; if(workspaceId != null) { if(!Guid.TryParse(workspaceId, out workspaceGuid)) { workspaceGuid = WorkspaceRepository.Instance.ServerWorkspace.ID; } } else { workspaceGuid = WorkspaceRepository.Instance.ServerWorkspace.ID; } var allErrors = new ErrorResultTO(); var dataObject = new DsfDataObject(webRequest.RawRequestPayload, GlobalConstants.NullDataListID, webRequest.RawRequestPayload) { IsFromWebServer = true, ExecutingUser = user, ServiceName = serviceName, WorkspaceID = workspaceGuid }; // now bind any variables that are part of the path arguments ;) BindRequestVariablesToDataObject(webRequest, ref dataObject); // now process headers ;) if(headers != null) { Dev2Logger.Log.Debug("Remote Invoke"); var isRemote = headers.Get(HttpRequestHeader.Cookie.ToString()); var remoteId = headers.Get(HttpRequestHeader.From.ToString()); if(isRemote != null && remoteId != null) { if (isRemote.Equals(GlobalConstants.RemoteServerInvoke) ) { // we have a remote invoke ;) dataObject.RemoteInvoke = true; } if (isRemote.Equals(GlobalConstants.RemoteDebugServerInvoke)) { // we have a remote invoke ;) dataObject.RemoteNonDebugInvoke = true; } dataObject.RemoteInvokerID = remoteId; } } // now set the emition type ;) int loc; if(!String.IsNullOrEmpty(serviceName) && (loc = serviceName.LastIndexOf(".", StringComparison.Ordinal)) > 0) { // default it to xml dataObject.ReturnType = EmitionTypes.XML; if(loc > 0) { var typeOf = serviceName.Substring((loc + 1)).ToUpper(); EmitionTypes myType; if(Enum.TryParse(typeOf, out myType)) { dataObject.ReturnType = myType; } // adjust the service name to drop the type ;) // avoid .wiz amendments ;) if(!typeOf.ToLower().Equals(GlobalConstants.WizardExt)) { serviceName = serviceName.Substring(0, loc); dataObject.ServiceName = serviceName; } if(typeOf.Equals("api", StringComparison.OrdinalIgnoreCase)) { dataObject.ReturnType = EmitionTypes.SWAGGER; } } } else { // default it to xml dataObject.ReturnType = EmitionTypes.XML; } // ensure service gets set ;) if(dataObject.ServiceName == null) { dataObject.ServiceName = serviceName; } IResource resource = null; if(!String.IsNullOrEmpty(dataObject.ServiceName)) { resource = ResourceCatalog.Instance.GetResource(dataObject.WorkspaceID, dataObject.ServiceName); if(resource != null) { dataObject.ResourceID = resource.ResourceID; } } var esbEndpoint = new EsbServicesEndpoint(); dataObject.EsbChannel = esbEndpoint; var canExecute = true; if(ServerAuthorizationService.Instance != null) { var authorizationService = ServerAuthorizationService.Instance; var hasView = authorizationService.IsAuthorized(AuthorizationContext.View, dataObject.ResourceID.ToString()); var hasExecute = authorizationService.IsAuthorized(AuthorizationContext.Execute, dataObject.ResourceID.ToString()); canExecute = (hasExecute && hasView) || ((dataObject.RemoteInvoke || dataObject.RemoteNonDebugInvoke) && hasExecute) || (resource != null && resource.ResourceType == ResourceType.ReservedService); } // Build EsbExecutionRequest - Internal Services Require This ;) EsbExecuteRequest esbExecuteRequest = new EsbExecuteRequest { ServiceName = serviceName }; foreach(string key in webRequest.Variables) { esbExecuteRequest.AddArgument(key, new StringBuilder(webRequest.Variables[key])); } Dev2Logger.Log.Debug("About to execute web request [ " + serviceName + " ] DataObject Payload [ " + dataObject.RawPayload + " ]"); var executionDlid = GlobalConstants.NullDataListID; if (canExecute && dataObject.ReturnType != EmitionTypes.SWAGGER) { ErrorResultTO errors = null; // set correct principle ;) Thread.CurrentPrincipal = user; var userPrinciple = user; Common.Utilities.PerformActionInsideImpersonatedContext(userPrinciple, () => { executionDlid = esbEndpoint.ExecuteRequest(dataObject, esbExecuteRequest, workspaceGuid, out errors); }); allErrors.MergeErrors(errors); } else if(!canExecute) { allErrors.AddError("Executing a service externally requires View and Execute permissions"); } foreach(var error in dataObject.Environment.Errors) { allErrors.AddError(error,true); } // Fetch return type ;) var formatter = DataListFormat.CreateFormat("XML", EmitionTypes.XML, "text/xml"); // force it to XML if need be ;) // Fetch and convert DL ;) if(!dataObject.Environment.HasErrors()) { // a normal service request if(!esbExecuteRequest.WasInternalService) { dataObject.DataListID = executionDlid; dataObject.WorkspaceID = workspaceGuid; dataObject.ServiceName = serviceName; if(!dataObject.IsDebug || dataObject.RemoteInvoke || dataObject.RemoteNonDebugInvoke) { if (dataObject.ReturnType == EmitionTypes.JSON) { formatter = DataListFormat.CreateFormat("JSON", EmitionTypes.JSON, "application/json"); executePayload = ExecutionEnvironmentUtils.GetJsonOutputFromEnvironment(dataObject, resource.DataList.ToString(),0); } else if (dataObject.ReturnType == EmitionTypes.XML) { executePayload = ExecutionEnvironmentUtils.GetXmlOutputFromEnvironment(dataObject,Guid.Empty , resource.DataList.ToString(),0); }else if(dataObject.ReturnType == EmitionTypes.SWAGGER) { formatter = DataListFormat.CreateFormat("SWAGGER", EmitionTypes.SWAGGER, "application/json"); executePayload = ExecutionEnvironmentUtils.GetSwaggerOutputForService(resource, resource.DataList.ToString()); } } else { executePayload = string.Empty; } } else { // internal service request we need to return data for it from the request object ;) var serializer = new Dev2JsonSerializer(); executePayload = string.Empty; var msg = serializer.Deserialize<ExecuteMessage>(esbExecuteRequest.ExecuteResult); if(msg != null) { executePayload = msg.Message.ToString(); } // out fail safe to return different types of data from services ;) if(string.IsNullOrEmpty(executePayload)) { executePayload = esbExecuteRequest.ExecuteResult.ToString(); } } } else { if(dataObject.ReturnType == EmitionTypes.XML) { executePayload = "<FatalError> <Message> An internal error occurred while executing the service request </Message>"; executePayload += allErrors.MakeDataListReady(); executePayload += "</FatalError>"; } else { // convert output to JSON ;) executePayload = "{ \"FatalError\": \"An internal error occurred while executing the service request\","; executePayload += allErrors.MakeDataListReady(false); executePayload += "}"; } } Dev2Logger.Log.Debug("Execution Result [ " + executePayload + " ]"); // JSON Data ;) if(executePayload.IndexOf("</JSON>", StringComparison.Ordinal) >= 0) { int start = executePayload.IndexOf(GlobalConstants.OpenJSON, StringComparison.Ordinal); if(start >= 0) { int end = executePayload.IndexOf(GlobalConstants.CloseJSON, StringComparison.Ordinal); start += GlobalConstants.OpenJSON.Length; executePayload = CleanupHtml(executePayload.Substring(start, (end - start))); if(!String.IsNullOrEmpty(executePayload)) { return new StringResponseWriter(executePayload, ContentTypes.Json); } } } Dev2DataListDecisionHandler.Instance.RemoveEnvironment(dataObject.DataListID); dataObject.Environment = null; return new StringResponseWriter(executePayload, formatter.ContentType); } }
protected static void BindRequestVariablesToDataObject(WebRequestTO request, ref DsfDataObject dataObject) { if(dataObject != null && request != null) { if(!string.IsNullOrEmpty(request.Bookmark)) { dataObject.CurrentBookmarkName = request.Bookmark; } if(!string.IsNullOrEmpty(request.InstanceID)) { Guid tmpId; if(Guid.TryParse(request.InstanceID, out tmpId)) { dataObject.WorkflowInstanceId = tmpId; } } if(!string.IsNullOrEmpty(request.ServiceName) && string.IsNullOrEmpty(dataObject.ServiceName)) { dataObject.ServiceName = request.ServiceName; } foreach(string key in request.Variables) { dataObject.Environment.Assign(DataListUtil.AddBracketsToValueIfNotExist(key),request.Variables[key],0); } } }