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);
}
}
}