/// <summary>
/// Create a new instance of the WCF Message class that has the correct content type (xml/json) and has a serialized
/// instance of the SyncError class which is a representation of the error message.
/// </summary>
/// <param name="httpStatusCode">Status code to be used for the outgoing response.</param>
/// <param name="errorDescription">A description of the error.</param>
/// <returns>An instance of the WCF Message class that is sent as response.</returns>
private Message CreateExceptionMessage(HttpContextServiceHost ctx, HttpStatusCode httpStatusCode, string errorDescription)
{
ctx.StatusCode = httpStatusCode;
ctx.StatusDescription = (httpStatusCode == HttpStatusCode.InternalServerError ? Strings.InternalServerError : errorDescription);
var error = new ServiceError {
ErrorDescription = errorDescription
};
Message message;
if (_syncConfiguration.SerializationFormat == SyncSerializationFormat.ODataJson)
{
message = Message.CreateMessage(MessageVersion.None, String.Empty, error, new DataContractJsonSerializer(typeof(ServiceError)));
message.Properties.Add(WebBodyFormatMessageProperty.Name, new WebBodyFormatMessageProperty(WebContentFormat.Json));
}
else
{
message = Message.CreateMessage(MessageVersion.None, String.Empty, error, new DataContractSerializer(typeof(ServiceError)));
message.Properties.Add(WebBodyFormatMessageProperty.Name, new WebBodyFormatMessageProperty(WebContentFormat.Xml));
}
var property = new HttpResponseMessageProperty {
StatusCode = httpStatusCode
};
property.Headers.Add(HttpResponseHeader.ContentType, WebUtil.GetContentType(_serviceHost.GetOutputSerializationFormat(_syncConfiguration.SerializationFormat)));
message.Properties.Add(HttpResponseMessageProperty.Name, property);
return(message);
}
/// <summary>Create a instance of <see cref="Message" /> from an exception. This is sent as the response.</summary>
/// <param name="exception">Exception to process</param>
/// <returns>An instance of <see cref="Message" /> class.</returns>
private Message CreateMessageFromUnhandledException(HttpContextServiceHost ctx, Exception exception)
{
string exceptionMessage = WebUtil.GetExceptionMessage(exception);
SyncServiceTracer.TraceError(exceptionMessage);
return(_syncConfiguration.UseVerboseErrors
? CreateExceptionMessage(ctx, HttpStatusCode.InternalServerError, exceptionMessage)
: CreateExceptionMessage(ctx, HttpStatusCode.InternalServerError, Strings.InternalServerError));
}
private Message CreateExceptionMessage(HttpContextServiceHost ctx, Exception exception)
{
if (exceptionCodes.ContainsKey(exception.GetType()))
{
return(CreateExceptionMessage(ctx, exceptionCodes[exception.GetType()], exception.Message));
}
else
{
return(CreateExceptionMessage(ctx, HttpStatusCode.InternalServerError, exception.Message));
}
}
/// <summary>
/// Process an incoming request and return a WCF Message class instance.
/// </summary>
/// <param name="messageBody">Message body</param>
/// <returns>Instance of the WCF Message class</returns>
public Message ProcessRequestForMessage(Stream messageBody)
{
try
{
// Intialize the service host first, since most of the logic depends on it.
_serviceHost = new HttpContextServiceHost(messageBody);
_serviceHost.ValidateRequestHttpVerbAndSegments();
// Create the configuration. The first call will initialize the configuration
// and all other calls will be a no-op.
CreateConfiguration();
// Raise event for user code
InvokeOnSyncRequestStart();
_requestDescription = new RequestParser(_serviceHost, _syncConfiguration).ParseIncomingRequest();
if (null == _requestDescription.SyncBlob || 0 == _requestDescription.SyncBlob.Length)
{
InitializeNewClient();
}
_requestProcessor = RequestProcessorFactory.GetRequestProcessorInstance(_requestDescription.RequestCommand, _syncConfiguration, _serviceHost);
_outgoingMessage = _requestProcessor.ProcessRequest(_requestDescription);
// Add sync properties
var responseProperties = _outgoingMessage.Properties[HttpResponseMessageProperty.Name] as HttpResponseMessageProperty;
if (null != responseProperties)
{
responseProperties.Headers[SyncServiceConstants.SYNC_SERVICE_VERSION_KEY] = SyncServiceConstants.SYNC_SERVICE_VERSION_VALUE;
}
// Raise event for user code
InvokeOnEndSyncRequest(_outgoingMessage);
}
catch (SyncServiceException syncServiceException)
{
ProcessSyncServiceException(syncServiceException);
}
catch (Exception exception)
{
if (WebUtil.IsFatalException(exception))
{
throw;
}
_outgoingMessage = CreateMessageFromUnhandledException(exception);
}
return(_outgoingMessage);
}
protected SyncRequestProcessorBase(SyncServiceConfiguration configuration, HttpContextServiceHost serviceHost)
{
WebUtil.CheckArgumentNull(configuration, "configuration");
Debug.Assert(0 != configuration.ScopeNames.Count);
_configuration = configuration;
_scopeName = configuration.ScopeNames[0];
_serviceHost = serviceHost;
_serverConnectionString = _configuration.ServerConnectionString;
_conflictResolutionPolicy = _configuration.ConflictResolutionPolicy;
}
protected SyncRequestProcessorBase(SyncServiceConfiguration configuration, HttpContextServiceHost serviceHost)
{
WebUtil.CheckArgumentNull(configuration, "configuration");
Debug.Assert(0 != configuration.ScopeNames.Count);
_configuration = configuration;
_scopeName = configuration.ScopeNames[0];
_serviceHost = serviceHost;
_serverConnectionString = _configuration.ServerConnectionString;
_conflictResolutionPolicy = _configuration.ConflictResolutionPolicy;
}
private Message CreateExceptionMessageEx(Exception exception, HttpContextServiceHost ctx)
{
if (exceptionCodes.ContainsKey(exception.GetType()))
{
return(CreateExceptionMessage(ctx, exception));
}
if (exception.InnerException != null)
{
return(CreateExceptionMessage(ctx, exception.InnerException));
}
else
{
return(null);
}
}
/// <summary>
/// Process an incoming request and return a WCF Message class instance.
/// </summary>
/// <param name="messageBody">Message body</param>
/// <returns>Instance of the WCF Message class</returns>
///
private Guid Logon(HttpContextServiceHost ctx, out string email)
{
String configName = ctx.Headers["configname"];
String configVersion = ctx.Headers["configversion"];
if (configName == null || configVersion == null)
{
throw new Exception("Unknown client version");
}
// resolution = ctx.Headers["resolution"] ?? "Default";
email = null;
String userId = ctx.Headers["userid"];
if (!String.IsNullOrEmpty(userId))
{
return(new Guid(userId));
}
else
{
NetworkCredential credential = null;
if (!String.IsNullOrEmpty(ctx.UserName) && !String.IsNullOrEmpty(ctx.UserPassword))
{
credential = new NetworkCredential(ctx.UserName, ctx.UserPassword);
}
if (credential == null)
{
String username = ctx.Headers["username"];
String password = ctx.Headers["password"];
if (!String.IsNullOrEmpty(username) && !String.IsNullOrEmpty(password))
{
credential = new NetworkCredential(username, password);
}
}
if (credential == null)
{
throw new UnauthorizedAccessException("Invalid user name or password");
}
return(Common.Logon.GetUserId2(CurrentScope(), credential, configName, configVersion, out email));
}
}
internal static IRequestProcessor GetRequestProcessorInstance(RequestCommand requestCommand, SyncServiceConfiguration configuration,
HttpContextServiceHost serviceHost)
{
switch (requestCommand)
{
case RequestCommand.UploadChanges:
return new UploadChangesRequestProcessor(configuration, serviceHost);
case RequestCommand.DownloadChanges:
return new DownloadChangesRequestProcessor(configuration, serviceHost);
case RequestCommand.SyncScopes:
return new SyncScopesRequestProcessor(configuration);
case RequestCommand.ScopeMetadata:
return new ScopeSchemaRequestProcessor(configuration);
default:
throw new NotSupportedException();
}
}
private void LogToDb(RequestCommand cmd, HttpContextServiceHost ctx, DateTime startTime, WebHeaderCollection headers, Exception e)
{
try
{
String statusDescription = ctx.StatusDescription;
if (e != null)
{
statusDescription = e.Message;
while (e.InnerException != null)
{
statusDescription = statusDescription + "; " + e.InnerException.Message;
e = e.InnerException;
}
}
System.Collections.Generic.Dictionary <String, object> d = new Dictionary <string, object>();
foreach (String key in headers.Keys)
{
d.Add(key.ToLower().Replace("-", ""), headers[key]);
}
d.Add("StartTime".ToLower(), startTime);
d.Add("EndTime".ToLower(), DateTime.Now);
d.Add("Direction".ToLower(), (int)cmd);
d.Add("Login".ToLower(), ctx.UserName);
if (String.IsNullOrEmpty(ctx.UserId))
{
d.Add("UserId".ToLower(), null);
}
else
{
d.Add("UserId".ToLower(), Guid.Parse(ctx.UserId));
}
d.Add("UserEMail".ToLower(), ctx.UserEMail);
d.Add("ResourceVersion".ToLower(), ctx.ResourceVersion);
d.Add("OutputContentLength".ToLower(), ctx.OriginalContentLength);
d.Add("StatusCode".ToLower(), (int)ctx.StatusCode);
d.Add("StatusDescription".ToLower(), statusDescription);
d.Add("FirstSync".ToLower(), (null == _requestDescription.SyncBlob || 0 == _requestDescription.SyncBlob.Length));
Common.Logon.WriteLog(CurrentScope(), d);
}
catch
{
}
}
private void ProcessSyncServiceException(HttpContextServiceHost ctx, SyncServiceException syncServiceException)
{
string exceptionMessage = WebUtil.GetExceptionMessage(syncServiceException);
SyncServiceTracer.TraceWarning(exceptionMessage);
_outgoingMessage = _syncConfiguration.UseVerboseErrors
? CreateExceptionMessage(ctx, (HttpStatusCode)syncServiceException.StatusCode, exceptionMessage)
: CreateExceptionMessage(ctx, (HttpStatusCode)syncServiceException.StatusCode, syncServiceException.Message);
// Add the "Allow" HTTP header if present._outgoingMessage.Properties[HttpResponseMessageProperty.Name].
if (!String.IsNullOrEmpty(syncServiceException.ResponseAllowHeader) &&
null != _outgoingMessage.Properties[HttpResponseMessageProperty.Name])
{
((HttpResponseMessageProperty)_outgoingMessage.Properties[HttpResponseMessageProperty.Name]).
Headers.Add("Allow", syncServiceException.ResponseAllowHeader);
}
}
/// <summary>
/// This method is invoked when a GET request is made to the service root.
/// We will redirect this request to the /$syncscopes URL which will return a list of scopes.
/// Without this, the service returns a missing operation error.
/// </summary>
public void ProcessRequestToServiceRoot()
{
_serviceHost = new HttpContextServiceHost(null);
// Look at the host header to determine the domain to which the request was made.
// In Windows Azure, the Uri class does not give accurate information about the request host.
string requestHost = !String.IsNullOrEmpty(_serviceHost.HostHeader) ? _serviceHost.HostHeader : _serviceHost.RequestUri.Authority;
// Create the URL corresponding to $syncscopes.
// SchemeName is "http" or "https"
// requestHost will contain domain and port number (if any)
// AbsolutePath for this operation contract will be "/<servicename>.svc/"
_serviceHost.OutgoingResponse.Location =
String.Format("{0}://{1}{2}{3}", _serviceHost.RequestUri.Scheme, requestHost,
_serviceHost.RequestUri.AbsolutePath,
SyncServiceConstants.SYNC_SCOPES_URL_SEGMENT);
_serviceHost.OutgoingResponse.StatusCode = HttpStatusCode.Redirect;
}
internal static IRequestProcessor GetRequestProcessorInstance(RequestCommand requestCommand, SyncServiceConfiguration configuration,
HttpContextServiceHost serviceHost)
{
switch (requestCommand)
{
case RequestCommand.UploadChanges:
return(new UploadChangesRequestProcessor(configuration, serviceHost));
case RequestCommand.DownloadChanges:
return(new DownloadChangesRequestProcessor(configuration, serviceHost));
case RequestCommand.SyncScopes:
return(new SyncScopesRequestProcessor(configuration));
case RequestCommand.ScopeMetadata:
return(new ScopeSchemaRequestProcessor(configuration));
default:
throw new NotSupportedException();
}
}
private System.IO.Stream MessageToStream(Message message, HttpContextServiceHost ctx)
{
System.IO.Stream ms = new System.IO.MemoryStream();
using (System.IO.Stream tempms = new System.IO.MemoryStream())
{
using (System.Xml.XmlWriter writer = System.Xml.XmlWriter.Create(tempms))
{
message.WriteMessage(writer);
writer.Flush();
}
ctx.OriginalContentLength = (int)tempms.Length;
tempms.Position = 0;
/*
* using (System.IO.FileStream fs = new FileStream(@"d:\f1.xml", FileMode.CreateNew))
* {
* tempms.CopyTo(fs);
* fs.Flush();
* }
* tempms.Position = 0;
*/
using (System.IO.Compression.GZipStream gzip = new System.IO.Compression.GZipStream(ms, System.IO.Compression.CompressionMode.Compress, true))
{
tempms.CopyTo(gzip);
}
}
ms.Position = 0;
/*
* using (System.IO.FileStream fs = new FileStream(@"d:\f2.xml.zip", FileMode.CreateNew))
* {
* ms.CopyTo(fs);
* fs.Flush();
* }
* ms.Position = 0;
*/
return(ms);
}
private System.IO.Stream MessageToStream(HttpContextServiceHost ctx, Message message)
{
System.IO.Stream ms = new System.IO.MemoryStream();
using (System.IO.Stream tempms = new System.IO.MemoryStream())
{
using (System.Xml.XmlWriter writer = System.Xml.XmlWriter.Create(tempms))
{
message.WriteMessage(writer);
writer.Flush();
}
ctx.OriginalContentLength = (int)tempms.Length;
tempms.Position = 0;
using (System.IO.Compression.GZipStream gzip = new System.IO.Compression.GZipStream(ms, System.IO.Compression.CompressionMode.Compress, true))
{
tempms.CopyTo(gzip);
}
}
ms.Position = 0;
return(ms);
}
internal Request(RequestCommand requestCommand,
HttpContextServiceHost serviceHost,
Dictionary<CommandParamType, object> commandParams,
byte[] blob,
List<IOfflineEntity> entities,
SyncSerializationFormat responseSerializationFormat)
{
IdToTempIdMapping = new Dictionary<string, string>();
RequestCommand = requestCommand;
ServiceHost = serviceHost;
CommandParams = commandParams;
SyncBlob = blob;
ResponseSerializationFormat = responseSerializationFormat;
if (null != entities && requestCommand != RequestCommand.UploadChanges)
{
throw SyncServiceException.CreateBadRequestError(Strings.EntitiesOnlyAllowedForUploadChangesRequest);
}
EntityList = entities;
}
internal Request(RequestCommand requestCommand,
HttpContextServiceHost serviceHost,
Dictionary <CommandParamType, object> commandParams,
byte[] blob,
List <IOfflineEntity> entities,
SyncSerializationFormat responseSerializationFormat)
{
IdToTempIdMapping = new Dictionary <string, string>();
RequestCommand = requestCommand;
ServiceHost = serviceHost;
CommandParams = commandParams;
SyncBlob = blob;
ResponseSerializationFormat = responseSerializationFormat;
if (null != entities && requestCommand != RequestCommand.UploadChanges)
{
throw SyncServiceException.CreateBadRequestError(Strings.EntitiesOnlyAllowedForUploadChangesRequest);
}
EntityList = entities;
}
/// <summary>Processes the diagnostics page request.</summary>
/// <returns>The response <see cref="Message"/>.</returns>
public Message ProcessRequestForDiagnostics()
{
try
{
// Intialize the service host.
_serviceHost = new HttpContextServiceHost();
// Ensure configuration.
CreateConfiguration();
Debug.Assert(_syncConfiguration != null, "_syncConfiguration != null");
// Check the EnableDiagPage property and invoke the callback if necessary.
// Return 404-Not Found if not enabled.
if (!_syncConfiguration.EnableDiagnosticPage || !OnBeginDiagnosticRequest())
{
throw SyncServiceException.CreateResourceNotFound();
}
// Perform diagnostic checks and prepare outgoing message.
_outgoingMessage = DiagHelper.CreateDiagResponseMessage(_syncConfiguration, _serviceHost);
}
catch (SyncServiceException syncServiceException)
{
ProcessSyncServiceException(syncServiceException);
}
catch (Exception exception)
{
if (WebUtil.IsFatalException(exception))
{
throw;
}
_outgoingMessage = CreateMessageFromUnhandledException(exception);
}
return(_outgoingMessage);
}
private HttpContextServiceHost CreateContext(Stream messageBody)
{
HttpContextServiceHost ctx = new HttpContextServiceHost(messageBody);
ctx.UserName = credential.UserName;
ctx.UserPassword = credential.Password;
ctx.ContentType = WebOperationContext.Current.IncomingRequest.ContentType;
ctx.HostHeader = WebOperationContext.Current.IncomingRequest.Headers[HttpRequestHeader.Host];
ctx.QueryParameters = WebOperationContext.Current.IncomingRequest.UriTemplateMatch.QueryParameters;
ctx.RequestUri = WebOperationContext.Current.IncomingRequest.UriTemplateMatch.RequestUri;
ctx.RelativeUriSegments = WebOperationContext.Current.IncomingRequest.UriTemplateMatch.RelativePathSegments.ToArray();
ctx.RequestAccept = WebOperationContext.Current.IncomingRequest.Accept;
ctx.RequestHeaders = WebOperationContext.Current.IncomingRequest.Headers;
ctx.RequestHttpMethod = WebOperationContext.Current.IncomingRequest.Method;
ctx.RequestIfMatch = WebOperationContext.Current.IncomingRequest.Headers[HttpRequestHeader.IfMatch];
ctx.RequestIfNoneMatch = WebOperationContext.Current.IncomingRequest.Headers[HttpRequestHeader.IfNoneMatch];
ctx.ServiceBaseUri = WebOperationContext.Current.IncomingRequest.UriTemplateMatch.BaseUri;
HttpRequestMessageProperty g = OperationContext.Current.IncomingMessageProperties[HttpRequestMessageProperty.Name] as HttpRequestMessageProperty;
ctx.Headers = g.Headers;
return ctx;
}
public Stream ProcessRequestForMessage(Stream messageBody)
{
HttpContextServiceHost ctx = CreateContext(messageBody);
Stream result;
if (!Common.Logon.CheckServerLicence(ctx.Headers["deviceId"]))
{
result = MessageToStream(ctx, CreateLicenseExceptionMessage(ctx, "Limit of server licenses exceeded"));
}
else
{
result = ((IRequestHandlerProxy)GetProxy()).ProcessRequest(ctx);
}
WebOperationContext.Current.OutgoingResponse.Headers[SyncServiceConstants.SYNC_SERVICE_USERID] = ctx.UserId;
WebOperationContext.Current.OutgoingResponse.Headers[SyncServiceConstants.SYNC_SERVICE_USEREMAIL] = (String.IsNullOrEmpty(ctx.UserEMail) ? "" : ctx.UserEMail);
WebOperationContext.Current.OutgoingResponse.Headers[SyncServiceConstants.SYNC_SERVICE_CONTENTLENGTH] = ctx.OriginalContentLength.ToString();
WebOperationContext.Current.OutgoingResponse.Headers[SyncServiceConstants.SYNC_SERVICE_RESOURCEVERSION] = ctx.ResourceVersion == null ? "" : ctx.ResourceVersion;
WebOperationContext.Current.OutgoingResponse.Headers[HttpResponseHeader.ContentEncoding] = "gzip";
WebOperationContext.Current.OutgoingResponse.StatusCode = ctx.StatusCode;
WebOperationContext.Current.OutgoingResponse.StatusDescription = ctx.StatusDescription;
return(result);
}
/*
* protected System.IO.Stream MakeExceptionAnswer(Exception e)
* {
* String text = e.Message;
* while (e.InnerException != null)
* {
* text = text + "; " + e.InnerException.Message;
* e = e.InnerException;
* }
* text = text + e.StackTrace;
* return MakeTextAnswer(text);
* }
*
* private System.IO.Stream MakeTextAnswer(String text)
* {
* MemoryStream ms = new MemoryStream();
* byte[] bytes = System.Text.Encoding.UTF8.GetBytes(text);
* ms.Write(bytes, 0, bytes.Length);
* ms.Position = 0;
* return ms;
* }
*/
private Message CreateLicenseExceptionMessage(HttpContextServiceHost ctx, string errorDescription)
{
ctx.StatusCode = HttpStatusCode.PaymentRequired;
ctx.StatusDescription = errorDescription;
var error = new ServiceError {
ErrorDescription = errorDescription
};
Message message;
message = Message.CreateMessage(MessageVersion.None, String.Empty, error, new DataContractSerializer(typeof(ServiceError)));
message.Properties.Add(WebBodyFormatMessageProperty.Name, new WebBodyFormatMessageProperty(WebContentFormat.Xml));
var property = new HttpResponseMessageProperty {
StatusCode = ctx.StatusCode
};
property.Headers.Add(HttpResponseHeader.ContentType, "application/atom+xml");
message.Properties.Add(HttpResponseMessageProperty.Name, property);
return(message);
}
private HttpContextServiceHost CreateContext(Stream messageBody)
{
HttpContextServiceHost ctx = new HttpContextServiceHost(messageBody);
ctx.UserName = credential.UserName;
ctx.UserPassword = credential.Password;
ctx.ContentType = WebOperationContext.Current.IncomingRequest.ContentType;
ctx.HostHeader = WebOperationContext.Current.IncomingRequest.Headers[HttpRequestHeader.Host];
ctx.QueryParameters = WebOperationContext.Current.IncomingRequest.UriTemplateMatch.QueryParameters;
ctx.RequestUri = WebOperationContext.Current.IncomingRequest.UriTemplateMatch.RequestUri;
ctx.RelativeUriSegments = WebOperationContext.Current.IncomingRequest.UriTemplateMatch.RelativePathSegments.ToArray();
ctx.RequestAccept = WebOperationContext.Current.IncomingRequest.Accept;
ctx.RequestHeaders = WebOperationContext.Current.IncomingRequest.Headers;
ctx.RequestHttpMethod = WebOperationContext.Current.IncomingRequest.Method;
ctx.RequestIfMatch = WebOperationContext.Current.IncomingRequest.Headers[HttpRequestHeader.IfMatch];
ctx.RequestIfNoneMatch = WebOperationContext.Current.IncomingRequest.Headers[HttpRequestHeader.IfNoneMatch];
ctx.ServiceBaseUri = WebOperationContext.Current.IncomingRequest.UriTemplateMatch.BaseUri;
HttpRequestMessageProperty g = OperationContext.Current.IncomingMessageProperties[HttpRequestMessageProperty.Name] as HttpRequestMessageProperty;
ctx.Headers = g.Headers;
return(ctx);
}
/*
protected System.IO.Stream MakeExceptionAnswer(Exception e)
{
String text = e.Message;
while (e.InnerException != null)
{
text = text + "; " + e.InnerException.Message;
e = e.InnerException;
}
text = text + e.StackTrace;
return MakeTextAnswer(text);
}
private System.IO.Stream MakeTextAnswer(String text)
{
MemoryStream ms = new MemoryStream();
byte[] bytes = System.Text.Encoding.UTF8.GetBytes(text);
ms.Write(bytes, 0, bytes.Length);
ms.Position = 0;
return ms;
}
*/
private Message CreateLicenseExceptionMessage(HttpContextServiceHost ctx, string errorDescription)
{
ctx.StatusCode = HttpStatusCode.PaymentRequired;
ctx.StatusDescription = errorDescription;
var error = new ServiceError { ErrorDescription = errorDescription };
Message message;
message = Message.CreateMessage(MessageVersion.None, String.Empty, error, new DataContractSerializer(typeof(ServiceError)));
message.Properties.Add(WebBodyFormatMessageProperty.Name, new WebBodyFormatMessageProperty(WebContentFormat.Xml));
var property = new HttpResponseMessageProperty { StatusCode = ctx.StatusCode };
property.Headers.Add(HttpResponseHeader.ContentType, "application/atom+xml");
message.Properties.Add(HttpResponseMessageProperty.Name, property);
return message;
}
public Stream ProcessRequest(HttpContextServiceHost ctx)
{
DateTime startTime = DateTime.Now;
bool logged = false;
Exception raisedException = null;
try
{
try
{
// Intialize the service host first, since most of the logic depends on it.
_serviceHost = ctx;// new HttpContextServiceHost(messageBody);
//_serviceHost.ValidateRequestHttpVerbAndSegments();
// Create the configuration. The first call will initialize the configuration
// and all other calls will be a no-op.
CreateConfiguration(CurrentScope());
// Raise event for user code
InvokeOnSyncRequestStart();
_requestDescription = new RequestParser(_serviceHost, _syncConfiguration).ParseIncomingRequest();
string email;
Guid userId = Logon(ctx, out email);
ctx.UserId = userId.ToString();
ctx.UserEMail = email;
Common.Logon.CheckLicense(CurrentScope(), ctx.Headers["deviceId"]);
Common.Logon.CheckCoreVersion(CurrentScope(), ctx.Headers["coreversion"]);
ctx.ResourceVersion = Common.Logon.GetResourceVersion(CurrentScope());
//add request parameters
_requestDescription.RequestParams = new Dictionary <string, object>();
_requestDescription.RequestParams.Add("@UserId", userId);
if (null == _requestDescription.SyncBlob || 0 == _requestDescription.SyncBlob.Length)
{
InitializeNewClient(userId, "Default");
}
_requestProcessor = RequestProcessorFactory.GetRequestProcessorInstance(_requestDescription.RequestCommand, _syncConfiguration, _serviceHost);
_outgoingMessage = _requestProcessor.ProcessRequest(_requestDescription);
// Add sync properties
var responseProperties = _outgoingMessage.Properties[HttpResponseMessageProperty.Name] as HttpResponseMessageProperty;
if (null != responseProperties)
{
responseProperties.Headers[SyncServiceConstants.SYNC_SERVICE_VERSION_KEY] = SyncServiceConstants.SYNC_SERVICE_VERSION_VALUE;
responseProperties.Headers[SyncServiceConstants.SYNC_SERVICE_USERID] = userId.ToString();
}
// Raise event for user code
InvokeOnEndSyncRequest(_outgoingMessage);
}
catch (SyncServiceException syncServiceException)
{
raisedException = syncServiceException;
ProcessSyncServiceException(ctx, syncServiceException); //_outgoingMessage is set inside
}
catch (DbSyncException dbSyncException)
{
raisedException = dbSyncException;
if (dbSyncException.Message.StartsWith("Cannot find a valid scope"))
{
_outgoingMessage = CreateExceptionMessage(ctx, HttpStatusCode.Conflict, dbSyncException.Message);
}
else
{
_outgoingMessage = CreateExceptionMessageEx(dbSyncException, ctx);
}
}
catch (Exception exception)
{
if (WebUtil.IsFatalException(exception))
{
throw;
}
raisedException = exception;
if (_outgoingMessage == null)
{
_outgoingMessage = CreateExceptionMessageEx(exception, ctx);
}
if (_outgoingMessage == null)
{
_outgoingMessage = CreateMessageFromUnhandledException(ctx, exception);
}
}
return(MessageToStream(_outgoingMessage, ctx));
}
finally
{
if (!logged)
{
logged = LogRequestInfo(startTime, ctx.Headers);
}
if (raisedException != null)
{
LogException(raisedException);
}
LogToDb(_requestDescription.RequestCommand, ctx, startTime, ctx.Headers, raisedException);
}
}
public DownloadChangesRequestProcessor(SyncServiceConfiguration configuration, HttpContextServiceHost serviceHost)
: base(configuration, serviceHost)
{
base._syncOperation = SyncOperations.Download;
}
internal RequestParser(HttpContextServiceHost serviceHost, SyncServiceConfiguration configuration)
{
_serviceHost = serviceHost;
_configuration = configuration;
}
/// <summary>
/// Perform diagnostic checks and return an instance of the <see cref="Message" /> class.
/// </summary>
/// <param name="configuration">Service configuration</param>
/// <param name="serviceHost">HttpContext for the service</param>
/// <returns>Result of the diagnostic checks</returns>
internal static Message CreateDiagResponseMessage(SyncServiceConfiguration configuration, HttpContextServiceHost serviceHost)
{
// Check core msi presence by creating SyncKnowledge instance.
DiagTestResult syncFxCoreCheck = CheckForSyncFxCore();
// Establish connnection to SQL Server.
DiagTestResult sqlConnectionCheck = CheckSqlConnection(configuration);
// Check database provisioning.
DiagTestResult dbProvisionedCheck = CheckDbProvisioning(configuration);
// Check for clientaccesspolicy.xml or crossdomain.xml file.
//DiagTestResult clientAccessPolicyCheck = CheckForClientAccessPolicy(serviceHost);
// Check presence of batching folder.
DiagTestResult batchingFolderExistsResult = CheckBatchingFolderExists(configuration);
// Check write access to batching folder.
DiagTestResult writeAccessToBatchingFolder = CheckWriteAccessToBatchingFolder(configuration);
// Add configuration related information
var configElement = new XElement("Configuration",
new XElement("ScopeName", HttpUtility.HtmlEncode(configuration.ScopeNames[0])),
new XElement("ConflictResolution", configuration.ConflictResolutionPolicy),
new XElement("SerializationFormat", configuration.SerializationFormat),
new XElement("VerboseEnabled", configuration.UseVerboseErrors),
new XElement("BatchingDirectory", configuration.DownloadBatchSizeInKB == null
? DiagConstants.BATCHING_NOT_ENABLED
: configuration.BatchSpoolDirectory),
new XElement("BatchSize", configuration.DownloadBatchSizeInKB == null
? DiagConstants.BATCHING_NOT_ENABLED
: configuration.DownloadBatchSizeInKB.Value.ToString()));
var diagXDocument = new XDocument();
var rootNode = new XElement("root");
diagXDocument.AddFirst(rootNode);
// Add the results to the xml document.
rootNode.Add(
new XElement("SyncFxCore",
new XElement("Result") { Value = syncFxCoreCheck.TestResult },
new XElement("ErrorInfo") { Value = syncFxCoreCheck.ExceptionDetails ?? String.Empty }),
new XElement("SqlConnection",
new XElement("Result") { Value = sqlConnectionCheck.TestResult },
new XElement("ErrorInfo") { Value = sqlConnectionCheck.ExceptionDetails ?? String.Empty }),
new XElement("DbProvisioned",
new XElement("Result") { Value = dbProvisionedCheck.TestResult },
new XElement("ErrorInfo") { Value = dbProvisionedCheck.ExceptionDetails ?? String.Empty }),
new XElement("BatchingFolderPresent",
new XElement("Result") { Value = batchingFolderExistsResult.TestResult },
new XElement("ErrorInfo") { Value = batchingFolderExistsResult.ExceptionDetails ?? String.Empty }),
new XElement("WriteAccessToBatchingFolder",
new XElement("Result") { Value = writeAccessToBatchingFolder.TestResult },
new XElement("ErrorInfo") { Value = writeAccessToBatchingFolder.ExceptionDetails ?? String.Empty }),
//new XElement("PolicyFiles",
// new XElement("Result") { Value = clientAccessPolicyCheck.TestResult },
// new XElement("ErrorInfo") { Value = clientAccessPolicyCheck.ExceptionDetails ?? String.Empty }),
// Add the configuration node.
new XElement(configElement));
// Create and cache the XslCompiledTransform if it is already not in the cache.
ConfigureXslCompiledTransform();
Message message;
using (XmlReader diagXmlReader = diagXDocument.CreateReader())
{
var document = new XPathDocument(diagXmlReader);
using (var writer = new StringWriter())
{
// Transform the xml document into HTML.
_compiledTransform.Transform(document, null, writer);
// Create an return an instance of the Message class.
message = Message.CreateMessage(MessageVersion.None, String.Empty, XDocument.Parse(writer.ToString()).CreateReader());
message.Properties.Add(WebBodyFormatMessageProperty.Name, new WebBodyFormatMessageProperty(WebContentFormat.Xml));
var property = new HttpResponseMessageProperty { StatusCode = HttpStatusCode.OK };
property.Headers.Add(HttpResponseHeader.ContentType, SyncServiceConstants.CONTENT_TYPE_HTML);
message.Properties.Add(HttpResponseMessageProperty.Name, property);
}
}
return message;
}
/// <summary>Check whether the website root has a ClientAccessPolicy.xml or CrossDomain.xml file.</summary>
/// <returns>Result of the diagnostic check</returns>
private static DiagTestResult CheckForClientAccessPolicy(HttpContextServiceHost serviceHost)
{
Debug.Assert(WebOperationContext.Current != null, "WebOperationContext.Current != null");
var result = new DiagTestResult();
try
{
Uri requestUri = WebOperationContext.Current.IncomingRequest.UriTemplateMatch.RequestUri;
string requestHost = !String.IsNullOrEmpty(serviceHost.HostHeader) ? serviceHost.HostHeader : requestUri.Authority;
// create the webroot string
string webRoot = String.Format("{0}://{1}/", requestUri.Scheme, requestHost);
var webRequest = (HttpWebRequest)WebRequest.Create(new Uri(webRoot + DiagConstants.CLIENT_ACCESS_POLICY_FILENAME));
webRequest.CachePolicy = new RequestCachePolicy(RequestCacheLevel.BypassCache);
// First, attempt to retrieve the clientaccesspolicy.xml file.
HttpWebResponse response = null;
try
{
response = (HttpWebResponse)webRequest.GetResponse();
if (response.StatusCode == HttpStatusCode.OK)
{
result.TestResult = DiagConstants.FOUND_CLIENT_ACCESS_POLICY;
}
}
catch (WebException)
{
// Continue and ignore this error.
}
if (result.TestResult != DiagConstants.FOUND_CLIENT_ACCESS_POLICY)
{
// Attempt to retrieve the crossdomain.xml file.
webRequest = (HttpWebRequest) WebRequest.Create(new Uri(webRoot + DiagConstants.CROSS_DOMAIN_FILENAME));
webRequest.CachePolicy = new RequestCachePolicy(RequestCacheLevel.BypassCache);
try
{
response = (HttpWebResponse)webRequest.GetResponse();
result.TestResult = response.StatusCode == HttpStatusCode.OK
? DiagConstants.FOUND_CROSSDOMAIN_POLICY_FILE
: DiagConstants.CLIENT_ACCESS_POLICY_OR_CROSS_DOMAIN_NOT_FOUND;
}
catch (WebException exception)
{
// Could not find both clientaccesspolicy.xml and crossdomain.xml.
result.TestResult = DiagConstants.CLIENT_ACCESS_POLICY_OR_CROSS_DOMAIN_NOT_FOUND;
AddExceptionInfo(exception, result);
}
}
}
catch (Exception exception)
{
result.TestResult = DiagConstants.UNKNOWN_ERROR;
AddExceptionInfo(exception, result);
}
return result;
}
/// <summary>
/// Perform diagnostic checks and return an instance of the <see cref="Message" /> class.
/// </summary>
/// <param name="configuration">Service configuration</param>
/// <param name="serviceHost">HttpContext for the service</param>
/// <returns>Result of the diagnostic checks</returns>
internal static Message CreateDiagResponseMessage(SyncServiceConfiguration configuration, HttpContextServiceHost serviceHost)
{
// Check core msi presence by creating SyncKnowledge instance.
DiagTestResult syncFxCoreCheck = CheckForSyncFxCore();
// Establish connnection to SQL Server.
DiagTestResult sqlConnectionCheck = CheckSqlConnection(configuration);
// Check database provisioning.
DiagTestResult dbProvisionedCheck = CheckDbProvisioning(configuration);
// Check for clientaccesspolicy.xml or crossdomain.xml file.
DiagTestResult clientAccessPolicyCheck = CheckForClientAccessPolicy(serviceHost);
// Check presence of batching folder.
DiagTestResult batchingFolderExistsResult = CheckBatchingFolderExists(configuration);
// Check write access to batching folder.
DiagTestResult writeAccessToBatchingFolder = CheckWriteAccessToBatchingFolder(configuration);
// Add configuration related information
var configElement = new XElement("Configuration",
new XElement("ScopeName", HttpUtility.HtmlEncode(configuration.ScopeNames[0])),
new XElement("ConflictResolution", configuration.ConflictResolutionPolicy),
new XElement("SerializationFormat", configuration.SerializationFormat),
new XElement("VerboseEnabled", configuration.UseVerboseErrors),
new XElement("BatchingDirectory", configuration.DownloadBatchSizeInKB == null
? DiagConstants.BATCHING_NOT_ENABLED
: configuration.BatchSpoolDirectory),
new XElement("BatchSize", configuration.DownloadBatchSizeInKB == null
? DiagConstants.BATCHING_NOT_ENABLED
: configuration.DownloadBatchSizeInKB.Value.ToString()));
var diagXDocument = new XDocument();
var rootNode = new XElement("root");
diagXDocument.AddFirst(rootNode);
// Add the results to the xml document.
rootNode.Add(
new XElement("SyncFxCore",
new XElement("Result")
{
Value = syncFxCoreCheck.TestResult
},
new XElement("ErrorInfo")
{
Value = syncFxCoreCheck.ExceptionDetails ?? String.Empty
}),
new XElement("SqlConnection",
new XElement("Result")
{
Value = sqlConnectionCheck.TestResult
},
new XElement("ErrorInfo")
{
Value = sqlConnectionCheck.ExceptionDetails ?? String.Empty
}),
new XElement("DbProvisioned",
new XElement("Result")
{
Value = dbProvisionedCheck.TestResult
},
new XElement("ErrorInfo")
{
Value = dbProvisionedCheck.ExceptionDetails ?? String.Empty
}),
new XElement("BatchingFolderPresent",
new XElement("Result")
{
Value = batchingFolderExistsResult.TestResult
},
new XElement("ErrorInfo")
{
Value = batchingFolderExistsResult.ExceptionDetails ?? String.Empty
}),
new XElement("WriteAccessToBatchingFolder",
new XElement("Result")
{
Value = writeAccessToBatchingFolder.TestResult
},
new XElement("ErrorInfo")
{
Value = writeAccessToBatchingFolder.ExceptionDetails ?? String.Empty
}),
new XElement("PolicyFiles",
new XElement("Result")
{
Value = clientAccessPolicyCheck.TestResult
},
new XElement("ErrorInfo")
{
Value = clientAccessPolicyCheck.ExceptionDetails ?? String.Empty
}),
// Add the configuration node.
new XElement(configElement));
// Create and cache the XslCompiledTransform if it is already not in the cache.
ConfigureXslCompiledTransform();
Message message;
using (XmlReader diagXmlReader = diagXDocument.CreateReader())
{
var document = new XPathDocument(diagXmlReader);
using (var writer = new StringWriter())
{
// Transform the xml document into HTML.
_compiledTransform.Transform(document, null, writer);
// Create an return an instance of the Message class.
message = Message.CreateMessage(MessageVersion.None, String.Empty, XDocument.Parse(writer.ToString()).CreateReader());
message.Properties.Add(WebBodyFormatMessageProperty.Name, new WebBodyFormatMessageProperty(WebContentFormat.Xml));
var property = new HttpResponseMessageProperty {
StatusCode = HttpStatusCode.OK
};
property.Headers.Add(HttpResponseHeader.ContentType, SyncServiceConstants.CONTENT_TYPE_HTML);
message.Properties.Add(HttpResponseMessageProperty.Name, property);
}
}
return(message);
}
/// <summary>Check whether the website root has a ClientAccessPolicy.xml or CrossDomain.xml file.</summary>
/// <returns>Result of the diagnostic check</returns>
private static DiagTestResult CheckForClientAccessPolicy(HttpContextServiceHost serviceHost)
{
Debug.Assert(WebOperationContext.Current != null, "WebOperationContext.Current != null");
var result = new DiagTestResult();
try
{
Uri requestUri = WebOperationContext.Current.IncomingRequest.UriTemplateMatch.RequestUri;
string requestHost = !String.IsNullOrEmpty(serviceHost.HostHeader) ? serviceHost.HostHeader : requestUri.Authority;
// create the webroot string
string webRoot = String.Format("{0}://{1}/", requestUri.Scheme, requestHost);
var webRequest = (HttpWebRequest)WebRequest.Create(new Uri(webRoot + DiagConstants.CLIENT_ACCESS_POLICY_FILENAME));
webRequest.CachePolicy = new RequestCachePolicy(RequestCacheLevel.BypassCache);
// First, attempt to retrieve the clientaccesspolicy.xml file.
HttpWebResponse response = null;
try
{
response = (HttpWebResponse)webRequest.GetResponse();
if (response.StatusCode == HttpStatusCode.OK)
{
result.TestResult = DiagConstants.FOUND_CLIENT_ACCESS_POLICY;
}
}
catch (WebException)
{
// Continue and ignore this error.
}
if (result.TestResult != DiagConstants.FOUND_CLIENT_ACCESS_POLICY)
{
// Attempt to retrieve the crossdomain.xml file.
webRequest = (HttpWebRequest)WebRequest.Create(new Uri(webRoot + DiagConstants.CROSS_DOMAIN_FILENAME));
webRequest.CachePolicy = new RequestCachePolicy(RequestCacheLevel.BypassCache);
try
{
response = (HttpWebResponse)webRequest.GetResponse();
result.TestResult = response.StatusCode == HttpStatusCode.OK
? DiagConstants.FOUND_CROSSDOMAIN_POLICY_FILE
: DiagConstants.CLIENT_ACCESS_POLICY_OR_CROSS_DOMAIN_NOT_FOUND;
}
catch (WebException exception)
{
// Could not find both clientaccesspolicy.xml and crossdomain.xml.
result.TestResult = DiagConstants.CLIENT_ACCESS_POLICY_OR_CROSS_DOMAIN_NOT_FOUND;
AddExceptionInfo(exception, result);
}
}
}
catch (Exception exception)
{
result.TestResult = DiagConstants.UNKNOWN_ERROR;
AddExceptionInfo(exception, result);
}
return(result);
}
private System.IO.Stream MessageToStream(HttpContextServiceHost ctx, Message message)
{
System.IO.Stream ms = new System.IO.MemoryStream();
using (System.IO.Stream tempms = new System.IO.MemoryStream())
{
using (System.Xml.XmlWriter writer = System.Xml.XmlWriter.Create(tempms))
{
message.WriteMessage(writer);
writer.Flush();
}
ctx.OriginalContentLength = (int)tempms.Length;
tempms.Position = 0;
using (System.IO.Compression.GZipStream gzip = new System.IO.Compression.GZipStream(ms, System.IO.Compression.CompressionMode.Compress, true))
{
tempms.CopyTo(gzip);
}
}
ms.Position = 0;
return ms;
}
public UploadChangesRequestProcessor(SyncServiceConfiguration configuration, HttpContextServiceHost serviceHost)
: base(configuration, serviceHost)
{
base._syncOperation = SyncOperations.Upload;
}
internal RequestParser(HttpContextServiceHost serviceHost, SyncServiceConfiguration configuration)
{
_serviceHost = serviceHost;
_configuration = configuration;
}
