public HttpResponseInstance(ScriptEngine engine, BrewResponse response)
: base(engine)
{
this.AutoDetectContentType = true;
this.Response = response;
this.PopulateFunctions();
this.StatusCode = 200;
}
public BrewResponse Eval(BrewRequest request)
{
BrewResponse result = null;
// execute the call against the service app
ExecuteOnChannel(channel => result = channel.Eval(request));
return(result);
}
public BrewResponse Eval(BrewRequest request)
{
BrewResponse result = null;
BaristaServiceApplicationProxy.Invoke(
m_serviceContext,
proxy => result = proxy.Eval(request)
);
return(result);
}
public async Task Invoke(HttpContext context)
{
var brewContext = context.Items[BrewKeys.BrewContext] as BaristaContext;
if (brewContext == null)
{
throw new InvalidOperationException("BrewContext was not defined within the http context.");
}
var brewResult = context.Items[BrewKeys.BrewResult] as JsValue;
if (brewResult is JsObject jsObject &&
jsObject.TryGetBean(out JsExternalObject exObj) &&
exObj.Target is BrewResponse brewResponseObj
)
{
BrewResponse.PopulateHttpResponse(context.Response, brewContext, brewResponseObj);
return;
}
public static void Exec(BrewRequest request)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
var response = new BrewResponse
{
ContentType = request.Headers.ContentType
};
//Set the current context with information from the current request and response.
BaristaContext.Current = new BaristaContext(request, response);
var instanceSettings = BaristaContext.Current.Request.ParseInstanceSettings();
//If we're not executing with Per-Call instancing, create a mutex to synchronize against.
Mutex syncRoot = null;
if (instanceSettings.InstanceMode != BaristaInstanceMode.PerCall)
{
syncRoot = new Mutex(false, "Barista_ScriptEngineInstance_" + instanceSettings.InstanceName);
}
var webBundle = new BaristaWebBundle();
var source = new BaristaScriptSource(request.Code, request.CodePath);
if (syncRoot != null)
{
syncRoot.WaitOne();
}
try
{
bool isNewScriptEngineInstance;
bool errorInInitialization;
var scriptEngineFactory = new BaristaScriptEngineFactory();
var engine = scriptEngineFactory.GetScriptEngine(webBundle, out isNewScriptEngineInstance, out errorInInitialization);
if (engine == null)
{
throw new InvalidOperationException("Unable to obtain a script engine instance.");
}
if (errorInInitialization)
{
return;
}
try
{
engine.Evaluate(source);
}
catch (JavaScriptException ex)
{
//BaristaDiagnosticsService.Local.LogException(ex, BaristaDiagnosticCategory.JavaScriptException,
// "A JavaScript exception was thrown while evaluating script: ");
scriptEngineFactory.UpdateResponseWithJavaScriptExceptionDetails(engine, ex, response);
}
catch (Exception ex)
{
//BaristaDiagnosticsService.Local.LogException(ex, BaristaDiagnosticCategory.Runtime,
// "An internal error occured while executing script: ");
scriptEngineFactory.UpdateResponseWithExceptionDetails(ex, response);
}
finally
{
//Cleanup
// ReSharper disable RedundantAssignment
engine = null;
// ReSharper restore RedundantAssignment
if (BaristaContext.Current != null)
{
BaristaContext.Current.Dispose();
}
BaristaContext.Current = null;
}
}
finally
{
if (syncRoot != null)
{
syncRoot.ReleaseMutex();
}
}
}
public static BrewResponse Eval(BrewRequest request)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
var response = new BrewResponse
{
ContentType = request.Headers.ContentType
};
BaristaContext.Current = new BaristaContext(request, response);
var instanceSettings = BaristaContext.Current.Request.ParseInstanceSettings();
Mutex syncRoot = null;
if (instanceSettings.InstanceMode != BaristaInstanceMode.PerCall)
{
syncRoot = new Mutex(false, "Barista_ScriptEngineInstance_" + instanceSettings.InstanceName);
}
var webBundle = new BaristaWebBundle();
var source = new BaristaScriptSource(request.Code, request.CodePath);
if (syncRoot != null)
{
syncRoot.WaitOne();
}
try
{
bool isNewScriptEngineInstance;
bool errorInInitialization;
var scriptEngineFactory = new BaristaScriptEngineFactory();
var engine = scriptEngineFactory.GetScriptEngine(webBundle, out isNewScriptEngineInstance, out errorInInitialization);
if (engine == null)
{
throw new InvalidOperationException("Unable to obtain a script engine instance.");
}
if (errorInInitialization)
{
return(response);
}
try
{
var result = engine.Evaluate(source);
var isRaw = false;
//If the web instance has been initialized on the web bundle, use the value set via script, otherwise use defaults.
if (webBundle.WebInstance == null || webBundle.WebInstance.Response.AutoDetectContentType)
{
response.ContentType = BrewResponse.AutoDetectContentTypeFromResult(result, response.ContentType);
var arrayResult = result as Barista.Library.Base64EncodedByteArrayInstance;
if (arrayResult != null && arrayResult.FileName.IsNullOrWhiteSpace() == false && response.Headers != null && response.Headers.ContainsKey("Content-Disposition") == false)
{
var br = BrowserUserAgentParser.GetDefault();
var clientInfo = br.Parse(request.Headers.UserAgent);
if (clientInfo.UserAgent.Family == "IE" && (clientInfo.UserAgent.Major == "7" || clientInfo.UserAgent.Major == "8"))
{
response.Headers.Add("Content-Disposition", "attachment; filename=" + HttpUtility.UrlEncode(arrayResult.FileName));
}
else if (clientInfo.UserAgent.Family == "Safari")
{
response.Headers.Add("Content-Disposition", "attachment; filename=" + arrayResult.FileName);
}
else
{
response.Headers.Add("Content-Disposition", "attachment; filename=\"" + HttpUtility.UrlEncode(arrayResult.FileName) + "\"");
}
}
}
if (webBundle.WebInstance != null)
{
isRaw = webBundle.WebInstance.Response.IsRaw;
}
response.SetContentsFromResultObject(engine, result, isRaw);
}
catch (JavaScriptException ex)
{
//BaristaDiagnosticsService.Local.LogException(ex, BaristaDiagnosticCategory.JavaScriptException, "A JavaScript exception was thrown while evaluating script: ");
scriptEngineFactory.UpdateResponseWithJavaScriptExceptionDetails(engine, ex, response);
}
catch (Exception ex)
{
//BaristaDiagnosticsService.Local.LogException(ex, BaristaDiagnosticCategory.Runtime, "An internal error occurred while evaluating script: ");
scriptEngineFactory.UpdateResponseWithExceptionDetails(ex, response);
}
finally
{
//Cleanup
// ReSharper disable RedundantAssignment
engine = null;
// ReSharper restore RedundantAssignment
if (BaristaContext.Current != null)
{
BaristaContext.Current.Dispose();
}
BaristaContext.Current = null;
}
}
finally
{
if (syncRoot != null)
{
syncRoot.ReleaseMutex();
}
}
return(response);
}
public SPBaristaContext(BrewRequest request, BrewResponse response)
: base(request, response)
{
if (request.ExtendedProperties == null || !request.ExtendedProperties.ContainsKey("SPSiteId"))
{
return;
}
var siteId = new Guid(request.ExtendedProperties["SPSiteId"]);
if (siteId != Guid.Empty)
{
SPUrlZone siteUrlZone;
if (request.ExtendedProperties.ContainsKey("SPUrlZone") &&
request.ExtendedProperties["SPUrlZone"].TryParseEnum(true, SPUrlZone.Default, out siteUrlZone))
{
if (request.ExtendedProperties.ContainsKey("SPUserToken"))
{
var tokenBytes = Convert.FromBase64String(request.ExtendedProperties["SPUserToken"]);
var userToken = new SPUserToken(tokenBytes);
Site = new SPSite(siteId, siteUrlZone, userToken);
}
else
{
Site = new SPSite(siteId, siteUrlZone);
}
}
}
if (!request.ExtendedProperties.ContainsKey("SPWebId"))
{
return;
}
var webId = new Guid(request.ExtendedProperties["SPWebId"]);
if (webId != Guid.Empty)
{
Web = Site.OpenWeb(webId);
}
if (request.ExtendedProperties.ContainsKey("SPListId"))
{
var listId = new Guid(request.ExtendedProperties["SPListId"]);
if (listId != Guid.Empty)
{
List = Web.Lists[listId];
}
if (request.ExtendedProperties.ContainsKey("SPViewId"))
{
var viewId = new Guid(request.ExtendedProperties["SPViewId"]);
if (viewId != Guid.Empty)
{
View = List.Views[viewId];
}
}
}
if (request.ExtendedProperties.ContainsKey("SPListItemUrl"))
{
var url = request.ExtendedProperties["SPListItemUrl"];
if (String.IsNullOrEmpty(url) == false)
{
Uri listItemUri;
//In the two places this gets used, this is a site-relative URL.
if (Uri.TryCreate(new Uri(Web.Url.EnsureEndsWith("/")), url.EnsureStartsWith("/"), out listItemUri))
{
try
{
ListItem = Web.GetListItem(listItemUri.ToString());
}
catch (FileNotFoundException)
{
//Do Nothing..
}
}
}
}
if (!request.ExtendedProperties.ContainsKey("SPFileId"))
{
return;
}
var fileId = new Guid(request.ExtendedProperties["SPFileId"]);
if (fileId != Guid.Empty)
{
File = Web.GetFile(fileId);
}
}
public void Exec(BrewRequest request)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
var response = new BrewResponse
{
ContentType = request.Headers.ContentType
};
//Set the current context with information from the current request and response.
SPBaristaContext.Current = new SPBaristaContext(request, response);
var instanceSettings = SPBaristaContext.Current.Request.ParseInstanceSettings();
//If we're not executing with Per-Call instancing, create a mutex to synchronize against.
Mutex syncRoot = null;
if (instanceSettings.InstanceMode != BaristaInstanceMode.PerCall)
{
syncRoot = new Mutex(false, "Barista_ScriptEngineInstance_" + instanceSettings.InstanceName);
}
SPBaristaContext.Current.WebBundle = new SPWebBundle();
var source = new BaristaScriptSource(request.Code, request.CodePath);
if (syncRoot != null)
{
syncRoot.WaitOne();
}
try
{
bool isNewScriptEngineInstance;
bool errorInInitialization;
var baristaScriptEngineFactoryType = Type.GetType("Barista.SharePoint.SPBaristaScriptEngineFactory, Barista.SharePoint, Version=1.0.0.0, Culture=neutral, PublicKeyToken=a2d8064cb9226f52",
true);
if (baristaScriptEngineFactoryType == null)
{
throw new InvalidOperationException("Unable to locate the SPBaristaScriptEngineFactory");
}
var scriptEngineFactory =
(ScriptEngineFactory)Activator.CreateInstance(baristaScriptEngineFactoryType);
var engine = scriptEngineFactory.GetScriptEngine(SPBaristaContext.Current.WebBundle, out isNewScriptEngineInstance,
out errorInInitialization);
if (engine == null)
{
throw new InvalidOperationException("Unable to obtain an instance of a Script Engine.");
}
if (errorInInitialization)
{
return;
}
try
{
using (new SPMonitoredScope("Barista Script Exec", 110000,
new SPCriticalTraceCounter(),
new SPExecutionTimeCounter(),
new SPRequestUsageCounter(),
new SPSqlQueryCounter()))
{
engine.Evaluate(source);
}
}
catch (JavaScriptException ex)
{
try
{
BaristaDiagnosticsService.Local.LogException(ex, BaristaDiagnosticCategory.JavaScriptException,
"A JavaScript exception was thrown while evaluating script: ");
}
catch
{
//Do Nothing...
}
scriptEngineFactory.UpdateResponseWithJavaScriptExceptionDetails(engine, ex, response);
}
catch (Exception ex)
{
try
{
BaristaDiagnosticsService.Local.LogException(ex, BaristaDiagnosticCategory.Runtime,
"An internal error occured while executing script: ");
}
catch
{
//Do Nothing...
}
scriptEngineFactory.UpdateResponseWithExceptionDetails(ex, response);
}
finally
{
//Cleanup
// ReSharper disable RedundantAssignment
engine = null;
// ReSharper restore RedundantAssignment
if (SPBaristaContext.Current != null)
{
SPBaristaContext.Current.Dispose();
}
SPBaristaContext.Current = null;
}
}
finally
{
if (syncRoot != null)
{
syncRoot.ReleaseMutex();
}
}
}
public BrewResponse Eval(BrewRequest request)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
var response = new BrewResponse
{
ContentType = request.Headers.ContentType
};
SPBaristaContext.Current = new SPBaristaContext(request, response);
var instanceSettings = SPBaristaContext.Current.Request.ParseInstanceSettings();
Mutex syncRoot = null;
if (instanceSettings.InstanceMode != BaristaInstanceMode.PerCall)
{
syncRoot = new Mutex(false, "Barista_ScriptEngineInstance_" + instanceSettings.InstanceName);
}
var webBundle = new SPWebBundle();
var source = new BaristaScriptSource(request.Code, request.CodePath);
if (syncRoot != null)
{
syncRoot.WaitOne();
}
try
{
bool isNewScriptEngineInstance;
bool errorInInitialization;
if (request.ScriptEngineFactory.IsNullOrWhiteSpace())
{
throw new InvalidOperationException("A ScriptEngineFactory must be specified as part of a BrewRequest.");
}
var baristaScriptEngineFactoryType = Type.GetType(request.ScriptEngineFactory, true);
if (baristaScriptEngineFactoryType == null)
{
throw new InvalidOperationException("Unable to locate the specified ScriptEngineFactory: " + request.ScriptEngineFactory);
}
var scriptEngineFactory =
(ScriptEngineFactory)Activator.CreateInstance(baristaScriptEngineFactoryType);
var engine = scriptEngineFactory.GetScriptEngine(webBundle, out isNewScriptEngineInstance,
out errorInInitialization);
if (engine == null)
{
throw new InvalidOperationException("Unable to obtain a script engine instance.");
}
if (errorInInitialization)
{
return(response);
}
if (engine is EdgeJSScriptEngine)
{
SetBaristaV2Flags(source, request, response);
}
try
{
//Default execution timeout to be 60 seconds.
if (request.ExecutionTimeout <= 0)
{
request.ExecutionTimeout = 60 * 1000;
}
object result;
using (new SPMonitoredScope("Barista Script Eval", request.ExecutionTimeout,
new SPCriticalTraceCounter(),
new SPExecutionTimeCounter(request.ExecutionTimeout),
new SPRequestUsageCounter(),
new SPSqlQueryCounter()))
{
//var mre = new ManualResetEvent(false);
//var scopeEngine = engine;
//var actionThread = new Thread(() =>
//{
// result = scopeEngine.Evaluate(source); //always call endinvoke
// mre.Set();
//});
//actionThread.Start();
//mre.WaitOne(TimeSpan.FromMilliseconds(request.ExecutionTimeout));
//if (actionThread.IsAlive)
// actionThread.Abort();
result = engine.Evaluate(source);
}
if (engine is EdgeJSScriptEngine)
{
//EdgeJSScriptEngine takes care of itself, just need to set the response as the response object.
if (result != null)
{
var resultData = (dynamic)result;
response = JsonConvert.DeserializeObject <BrewResponse>((string)resultData.response);
}
}
else
{
var isRaw = false;
//If the web instance has been initialized on the web bundle, use the value set via script, otherwise use defaults.
if (webBundle.WebInstance == null || webBundle.WebInstance.Response.AutoDetectContentType)
{
response.ContentType = BrewResponse.AutoDetectContentTypeFromResult(result, response.ContentType);
var arrayResult = result as Barista.Library.Base64EncodedByteArrayInstance;
if (arrayResult != null)
{
if (arrayResult.FileName.IsNullOrWhiteSpace() == false && response.Headers != null &&
response.Headers.ContainsKey("Content-Disposition") == false)
{
var br = BrowserUserAgentParser.GetDefault();
var clientInfo = br.Parse(request.Headers.UserAgent);
if (clientInfo.UserAgent.Family == "IE" &&
(clientInfo.UserAgent.Major == "7" || clientInfo.UserAgent.Major == "8"))
{
response.Headers.Add("Content-Disposition",
"attachment; filename=" +
Barista.Helpers.HttpUtility.UrlEncode(arrayResult.FileName));
}
else if (clientInfo.UserAgent.Family == "Safari")
{
response.Headers.Add("Content-Disposition",
"attachment; filename=" + arrayResult.FileName);
}
else
{
response.Headers.Add("Content-Disposition",
"attachment; filename=\"" +
Barista.Helpers.HttpUtility.UrlEncode(arrayResult.FileName) + "\"");
}
}
//Set the ETag on the response if the Base64EncodedByteArrayInstance defines an ETag and one has not already been set.
if (arrayResult.ETag.IsNullOrWhiteSpace() == false && response.Headers != null && response.Headers.ContainsKey("ETag") == false)
{
response.Headers.Add("ETag", arrayResult.ETag);
}
}
}
if (webBundle.WebInstance != null)
{
isRaw = webBundle.WebInstance.Response.IsRaw;
}
response.SetContentsFromResultObject(engine, result, isRaw);
}
}
catch (JavaScriptException ex)
{
try
{
BaristaDiagnosticsService.Local.LogException(ex, BaristaDiagnosticCategory.JavaScriptException,
"A JavaScript exception was thrown while evaluating script: ");
}
catch
{
//Do Nothing...
}
scriptEngineFactory.UpdateResponseWithJavaScriptExceptionDetails(engine, ex, response);
}
catch (Exception ex)
{
try
{
BaristaDiagnosticsService.Local.LogException(ex, BaristaDiagnosticCategory.Runtime,
"An internal error occurred while evaluating script: ");
}
catch
{
//Do Nothing...
}
scriptEngineFactory.UpdateResponseWithExceptionDetails(ex, response);
}
finally
{
var engineDisposable = engine as IDisposable;
if (engineDisposable != null)
{
engineDisposable.Dispose();
}
//Cleanup
// ReSharper disable RedundantAssignment
engine = null;
// ReSharper restore RedundantAssignment
if (SPBaristaContext.Current != null)
{
SPBaristaContext.Current.Dispose();
}
SPBaristaContext.Current = null;
}
}
finally
{
if (syncRoot != null)
{
syncRoot.ReleaseMutex();
}
}
return(response);
}
private static void SetBaristaV2Flags(IScriptSource source, BrewRequest request, BrewResponse response)
{
if (String.IsNullOrWhiteSpace(request.Bootstrapper))
{
source.Flags["bootstrapperPath"] = ConfigurationManager.AppSettings.GetValue("Barista_v2_Bootstrapper", "./../lib/BaristaBootstrapper_v1.js");
}
else
{
source.Flags["bootstrapperPath"] = request.Bootstrapper;
}
var dcs = new DataContractSerializer(typeof(BrewRequest));
source.Flags["request_xml"] = BaristaHelper.SerializeXml(request);
source.Flags["response_xml"] = BaristaHelper.SerializeXml(response);
source.Flags["request"] = JsonConvert.SerializeObject(request);
source.Flags["response"] = JsonConvert.SerializeObject(response);
source.Flags["environment"] = JsonConvert.SerializeObject(new {
baristaWebServiceBinFolder = SPUtility.GetVersionedGenericSetupPath(@"WebServices\Barista\bin", SPUtility.CompatibilityLevel15),
baristaAssembly = BaristaHelper.GetAssemblyPath(typeof(Barista.Library.BaristaGlobal)) + "\\Barista.Core.dll",
baristaSharePointAssembly = BaristaHelper.GetAssemblyPath(typeof(Barista.SharePoint.Library.BaristaSharePointGlobal)) + "\\Barista.SharePoint.Core.dll",
sharePointAssembly = BaristaHelper.GetAssemblyPath(typeof(Microsoft.SharePoint.SPContext)) + "\\Microsoft.SharePoint.dll"
});
}
