static BaseUriHelper()
{
_baseUri = new SecurityCriticalDataForSet <Uri>(_packAppBaseUri);
// Add an instance of the ResourceContainer to PreloadedPackages so that PackWebRequestFactory can find it
// and mark it as thread-safe so PackWebResponse won't protect returned streams with a synchronizing wrapper
PreloadedPackages.AddPackage(PackUriHelper.GetPackageUri(SiteOfOriginBaseUri), new SiteOfOriginContainer(), true);
}
private static Uri GetStructureUriFromRelationship(Uri contentUri, string relationshipName)
{
Uri result = null;
if (contentUri != null && relationshipName != null)
{
Uri partUri = PackUriHelper.GetPartUri(contentUri);
if (partUri != null)
{
Uri packageUri = PackUriHelper.GetPackageUri(contentUri);
Package package = PreloadedPackages.GetPackage(packageUri);
if (package == null && SecurityHelper.CheckEnvironmentPermission())
{
package = PackageStore.GetPackage(packageUri);
}
if (package != null)
{
PackagePart part = package.GetPart(partUri);
PackageRelationshipCollection relationshipsByType = part.GetRelationshipsByType(relationshipName);
Uri uri = null;
foreach (PackageRelationship packageRelationship in relationshipsByType)
{
uri = PackUriHelper.ResolvePartUri(partUri, packageRelationship.TargetUri);
}
if (uri != null)
{
result = PackUriHelper.Create(packageUri, uri);
}
}
}
}
return(result);
}
static int _wpfPayloadCount; // used to disambiguate between all acts of loading from different WPF payloads.
internal static object LoadElement(Stream stream)
{
Package package = Package.Open(stream, FileMode.Open, FileAccess.Read);
WpfPayload wpfPayload = new WpfPayload(package);
PackagePart xamlEntryPart = wpfPayload.GetWpfEntryPart();
int newWpfPayoutCount = _wpfPayloadCount++;
Uri payloadUri = new Uri("payload://wpf" + newWpfPayoutCount, UriKind.Absolute);
Uri entryPartUri = PackUriHelper.Create(payloadUri, xamlEntryPart.Uri); // gives an absolute uri of the entry part
Uri packageUri = PackUriHelper.GetPackageUri(entryPartUri); // extracts package uri from combined package+part uri
PackageStore.AddPackage(packageUri, wpfPayload.Package); // Register the package
ParserContext parserContext = new ParserContext();
parserContext.BaseUri = entryPartUri;
object xamlObject = XamlReader.Load(xamlEntryPart.GetStream(), parserContext);
// Remove the temporary uri from the PackageStore
PackageStore.RemovePackage(packageUri);
return(xamlObject);
}
/// <summary>
/// Loads xaml content from a WPF package.
/// </summary>
/// <param name="stream">
/// Stream that must be accessible for reading and structured as
/// a WPF container: part XamlEntryPart is expected as one of
/// its entry parts.
/// </param>
/// <returns>
/// Returns a xaml element loaded from the entry part of the package.
/// </returns>
/// <exception cref="ArgumentNullException">
/// Throws parsing exception when the xaml content does not comply with the xaml schema.
/// </exception>
/// <exception cref="ArgumentException">
/// Throws validation exception when the package is not well structured.
/// </exception>
/// <exception cref="Exception">
/// Throws uri exception when the pachageBaseUri is not correct absolute uri.
/// </exception>
/// <remarks>
/// USED IN LEXICON VIA REFLECTION
/// </remarks>
internal static object LoadElement(Stream stream)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
object xamlObject;
try
{
WpfPayload wpfPayload = WpfPayload.OpenWpfPayload(stream);
// Now load the package
using (wpfPayload.Package)
{
// Validate WPF paypoad and get its entry part
PackagePart xamlEntryPart = wpfPayload.ValidatePayload();
// Define a unique uri for this instance of PWF payload.
// Uniqueness is required to make sure that cached images are not mixed up.
int newWpfPayoutCount = Interlocked.Increment(ref _wpfPayloadCount);
Uri payloadUri = new Uri("payload://wpf" + newWpfPayoutCount, UriKind.Absolute);
Uri entryPartUri = PackUriHelper.Create(payloadUri, xamlEntryPart.Uri); // gives an absolute uri of the entry part
Uri packageUri = PackUriHelper.GetPackageUri(entryPartUri); // extracts package uri from combined package+part uri
PackageStore.AddPackage(packageUri, wpfPayload.Package); // Register the package
// Set this temporary uri as a base uri for xaml parser
ParserContext parserContext = new ParserContext();
parserContext.BaseUri = entryPartUri;
// Call xaml parser
xamlObject = XamlReader.Load(xamlEntryPart.GetStream(), parserContext);
// Remove the temporary uri from the PackageStore
PackageStore.RemovePackage(packageUri);
}
}
catch (XamlParseException e)
{
// Incase of xaml parsing or package structure failure
// we return null.
Invariant.Assert(e != null); //to make compiler happy about not using a variable e. This variable is useful in debugging process though - to see a reason of a parsing failure
xamlObject = null;
}
catch (System.IO.FileFormatException)
{
xamlObject = null;
}
catch (System.IO.FileLoadException)
{
xamlObject = null;
}
catch (System.OutOfMemoryException)
{
xamlObject = null;
}
return(xamlObject);
}
///<summary>
/// <see cref="XmlUrlResolver.GetEntity"/>
///</summary>
public override object GetEntity(Uri absoluteUri, string role, Type ofObjectToReturn)
{
ofObjectToReturn.DbC_Assure(value => value == typeof(Stream));
switch (absoluteUri.Scheme)
{
case "resource":
return(Resources.GetStream(absoluteUri.AbsolutePath));
case "dynamic":
string ResourceName = absoluteUri.Host;
if (this.dynamicContent.ContainsKey(ResourceName))
{
return(new MemoryStream(Encoding.Unicode.GetBytes(this.dynamicContent[ResourceName])));
}
else
{
throw new ArgumentException($"Dynamic content not found: {ResourceName}");
}
case "pack":
return(Package
.Open((Stream)this.GetEntity(PackUriHelper.GetPackageUri(absoluteUri), null, typeof(Stream)))
.GetPart(PackUriHelper.GetPartUri(absoluteUri)).GetStream());
default:
return(base.GetEntity(absoluteUri, role, ofObjectToReturn));
}
}
internal static bool IsPackApplicationUri(Uri uri)
{
if (uri.IsAbsoluteUri && SecurityHelper.AreStringTypesEqual(uri.Scheme, PackUriHelper.UriSchemePack))
{
return(SecurityHelper.AreStringTypesEqual(PackUriHelper.GetPackageUri(uri).GetComponents(UriComponents.AbsoluteUri, UriFormat.UriEscaped), "application:///"));
}
return(false);
}
static BaseUriHelper()
{
_siteOfOriginBaseUri = PackUriHelper.Create(new Uri("SiteOfOrigin://"));
_packAppBaseUri = PackUriHelper.Create(new Uri("application://"));
BaseUriProperty = DependencyProperty.RegisterAttached("BaseUri", typeof(Uri), typeof(BaseUriHelper), new PropertyMetadata((object)null));
_baseUri = new MS.Internal.SecurityCriticalDataForSet <Uri>(_packAppBaseUri);
PreloadedPackages.AddPackage(PackUriHelper.GetPackageUri(SiteOfOriginBaseUri), new SiteOfOriginContainer(), true);
}
/// <summary>
/// Checks whether the input uri is in the "pack://application:,,," form
/// </summary>
internal static bool IsPackApplicationUri(Uri uri)
{
return
// Is the "outer" URI absolute?
(uri.IsAbsoluteUri &&
// Does the "outer" URI have the pack: scheme?
SecurityHelper.AreStringTypesEqual(uri.Scheme, PackUriHelper.UriSchemePack) &&
// Does the "inner" URI have the application: scheme
SecurityHelper.AreStringTypesEqual(
PackUriHelper.GetPackageUri(uri).GetComponents(UriComponents.AbsoluteUri, UriFormat.UriEscaped),
_packageApplicationBaseUriEscaped));
}
internal static bool IsPackApplicationUri(Uri uri)
{
return
(uri != null &&
// Is the "outer" URI absolute?
uri.IsAbsoluteUri &&
// Does the "outer" URI have the pack: scheme?
string.Equals(uri.Scheme, PackUriHelper.UriSchemePack, StringComparison.OrdinalIgnoreCase) &&
// Does the "inner" URI have the application: scheme?
string.Equals(
PackUriHelper.GetPackageUri(uri).GetComponents(UriComponents.AbsoluteUri, UriFormat.UriEscaped),
PackageApplicationBaseUriEscaped,
StringComparison.OrdinalIgnoreCase));
}
// Token: 0x06003F20 RID: 16160 RVA: 0x0012075C File Offset: 0x0011E95C
internal static object LoadElement(Stream stream)
{
if (stream == null)
{
throw new ArgumentNullException("stream");
}
object result;
try
{
WpfPayload wpfPayload = WpfPayload.OpenWpfPayload(stream);
using (wpfPayload.Package)
{
PackagePart packagePart = wpfPayload.ValidatePayload();
int num = Interlocked.Increment(ref WpfPayload._wpfPayloadCount);
Uri packageUri = new Uri("payload://wpf" + num, UriKind.Absolute);
Uri uri = PackUriHelper.Create(packageUri, packagePart.Uri);
Uri packageUri2 = PackUriHelper.GetPackageUri(uri);
PackageStore.AddPackage(packageUri2, wpfPayload.Package);
ParserContext parserContext = new ParserContext();
parserContext.BaseUri = uri;
bool useRestrictiveXamlReader = !Clipboard.UseLegacyDangerousClipboardDeserializationMode();
result = XamlReader.Load(packagePart.GetStream(), parserContext, useRestrictiveXamlReader);
PackageStore.RemovePackage(packageUri2);
}
}
catch (XamlParseException ex)
{
Invariant.Assert(ex != null);
result = null;
}
catch (FileFormatException)
{
result = null;
}
catch (FileLoadException)
{
result = null;
}
catch (OutOfMemoryException)
{
result = null;
}
return(result);
}
internal void Cleanup()
{
if (Application.Current != null)
{
IBrowserCallbackServices browserCallbackServices = Application.Current.BrowserCallbackServices;
if (browserCallbackServices != null)
{
Application.Current.Dispatcher.BeginInvoke(DispatcherPriority.Normal, new DispatcherOperationCallback(this.ReleaseBrowserCallback), browserCallbackServices);
}
}
this.ServiceProvider = null;
this.ClearRootBrowserWindow();
if (this._storageRoot != null && this._storageRoot.Value != null)
{
this._storageRoot.Value.Close();
}
if (this._document.Value is PackageDocument)
{
PreloadedPackages.RemovePackage(PackUriHelper.GetPackageUri(PackUriHelper.Create(this.Uri)));
((PackageDocument)this._document.Value).Dispose();
this._document.Value = null;
}
if (this._mimeType.Value == MimeType.Document)
{
DocumentManager.CleanUp();
}
if (this._packageStream.Value != null)
{
this._packageStream.Value.Close();
}
if (this._unmanagedStream.Value != null)
{
Marshal.ReleaseComObject(this._unmanagedStream.Value);
this._unmanagedStream = new SecurityCriticalData <object>(null);
}
}
public void GetPackageUri3()
{
PackUriHelper.GetPackageUri(part1);
}
private void documentViewer_RequestNavigate(object sender, System.Windows.Navigation.RequestNavigateEventArgs e)
{
try
{
string url = e.Uri.AbsoluteUri;
string lower_url = url.ToLower();
string package_url = "";
LogFile.Debug("Requested URI: " + url);
try
{
if (url.ToLower().StartsWith("pack://")) //sonst exception bei exec:// z.B.
{
package_url = PackUriHelper.GetPackageUri(e.Uri).AbsoluteUri;
}
}
catch (Exception ex)
{
LogFile.Error("exception in RequestNavigate() while analyzing uri:", ex);
}
if (document_uri.Equals(package_url) && document_uri != "" && package_url != "")
{
string fragment_to_find = e.Uri.Fragment.Replace("#", "");
if (index.Contains(fragment_to_find))
{
BringIntoView_ByURI(fragment_to_find, (int)index[fragment_to_find]);
}
}
else if (url.ToLower().StartsWith("exec://"))
{
string cmd = url.Remove(0, "exec://".Length);
if (cmd.EndsWith("/"))
{
cmd = cmd.Substring(0, cmd.Length - 1);
}
if (cmd.StartsWith("/"))
{
cmd = cmd.Substring(1, cmd.Length - 1);
}
cmd = cmd.Replace("/", @"\");
string param = Program.ExecParam.Replace("$1", "\"" + cmd + "\"");
if (Program.ExecProgram != "")
{
System.Diagnostics.Process.Start(Program.ExecProgram, param);
}
}
else if (url.ToLower().StartsWith("execx://"))
{
string cmd = url.Remove(0, "execx://".Length);
if (cmd.EndsWith("/"))
{
cmd = cmd.Substring(0, cmd.Length - 1);
}
if (cmd.StartsWith("/"))
{
cmd = cmd.Substring(1, cmd.Length - 1);
}
cmd = cmd.Replace("/", @"\");
string param = Program.ExecParam.Replace("$1", "\"" + cmd + "\"");
if (Program.ExecProgram != "")
{
System.Diagnostics.Process.Start(Program.ExecProgram, param);
}
Program.Quit();
}
else if (url.ToLower().Equals("document://thumbnails/"))
{
this.documentViewer.ViewThumbnails();
}
else if (url.ToLower().Equals("document://last-page/"))
{
this.documentViewer.LastPage();
}
else if (url.ToLower().Equals("document://first-page/"))
{
this.documentViewer.FirstPage();
}
else if (url.ToLower().Equals("document://next-page/"))
{
this.GotoNextPage();
}
else if (url.ToLower().Equals("document://prev-page/"))
{
this.GotoPrevPage();
}
else if (url.ToLower().Equals("document://close/"))
{
Program.Quit();
}
else if (url.ToLower().StartsWith("document://page-"))
{
string page = url.Remove(0, "document://page-".Length);
if (page.EndsWith("/"))
{
page = page.Substring(0, page.Length - 1);
}
if (page.StartsWith("/"))
{
page = page.Substring(1, page.Length - 1);
}
int pageIdx = Convert.ToInt32(page);
if (pageIdx >= 1)
{
if (documentViewer.CanGoToPage(pageIdx))
{
documentViewer.GoToPage(pageIdx);
}
}
}
else
{
//All protocol, exe, and similar
System.Diagnostics.Process.Start(url); //Can raise exception!
}
//URL is always handled
e.Handled = true;
}
catch (Exception ex)
{
LogFile.Error("exception in RequestNavigate:", ex);
}
}
public void GetPackageUri2()
{
PackUriHelper.GetPackageUri(null);
}
public void GetPackageUriTest()
{
Assert.AreEqual(a, PackUriHelper.GetPackageUri(PackUriHelper.Create(a, new Uri("/test.html", UriKind.Relative))));
}
private object Load(Stream stream, Uri parentUri, ParserContext pc, ContentType mimeType, string rootElement)
{
object result = null;
List <Type> safeTypes = new List <Type>
{
typeof(ResourceDictionary)
};
if (!XpsValidatingLoader.DocumentMode)
{
if (rootElement == null)
{
XmlReader reader = XmlReader.Create(stream, null, pc);
result = XamlReader.Load(reader, pc, XamlParseMode.Synchronous, FrameworkCompatibilityPreferences.DisableLegacyDangerousXamlDeserializationMode, safeTypes);
stream.Close();
}
}
else
{
XpsSchema schema = XpsSchema.GetSchema(mimeType);
Uri baseUri = pc.BaseUri;
Uri uri;
Uri uri2;
PackUriHelper.ValidateAndGetPackUriComponents(baseUri, out uri, out uri2);
Package package = PreloadedPackages.GetPackage(uri);
if (parentUri != null)
{
Uri packageUri = PackUriHelper.GetPackageUri(parentUri);
if (!packageUri.Equals(uri))
{
throw new FileFormatException(SR.Get("XpsValidatingLoaderUriNotInSamePackage"));
}
}
schema.ValidateRelationships(new SecurityCriticalData <Package>(package), uri, uri2, mimeType);
if (schema.AllowsMultipleReferencesToSameUri(mimeType))
{
this._uniqueUriRef = null;
}
else
{
this._uniqueUriRef = new Hashtable(11);
}
Hashtable hashtable = (XpsValidatingLoader._validResources.Count > 0) ? XpsValidatingLoader._validResources.Peek() : null;
if (schema.HasRequiredResources(mimeType))
{
hashtable = new Hashtable(11);
PackagePart part = package.GetPart(uri2);
PackageRelationshipCollection relationshipsByType = part.GetRelationshipsByType(XpsValidatingLoader._requiredResourceRel);
foreach (PackageRelationship packageRelationship in relationshipsByType)
{
Uri partUri = PackUriHelper.ResolvePartUri(uri2, packageRelationship.TargetUri);
Uri key = PackUriHelper.Create(uri, partUri);
PackagePart part2 = package.GetPart(partUri);
if (schema.IsValidRequiredResourceMimeType(part2.ValidatedContentType))
{
if (!hashtable.ContainsKey(key))
{
hashtable.Add(key, true);
}
}
else if (!hashtable.ContainsKey(key))
{
hashtable.Add(key, false);
}
}
}
XpsSchemaValidator xpsSchemaValidator = new XpsSchemaValidator(this, schema, mimeType, stream, uri, uri2);
XpsValidatingLoader._validResources.Push(hashtable);
if (rootElement != null)
{
xpsSchemaValidator.XmlReader.MoveToContent();
if (!rootElement.Equals(xpsSchemaValidator.XmlReader.Name))
{
throw new FileFormatException(SR.Get("XpsValidatingLoaderUnsupportedMimeType"));
}
while (xpsSchemaValidator.XmlReader.Read())
{
}
}
else
{
result = XamlReader.Load(xpsSchemaValidator.XmlReader, pc, XamlParseMode.Synchronous, FrameworkCompatibilityPreferences.DisableLegacyDangerousXamlDeserializationMode, safeTypes);
}
XpsValidatingLoader._validResources.Pop();
}
return(result);
}
internal void Cleanup()
{
if (Application.Current != null)
{
IBrowserCallbackServices bcs = Application.Current.BrowserCallbackServices;
if (bcs != null)
{
Debug.Assert(!Application.IsApplicationObjectShuttingDown);
// Marshal.ReleaseComObject(bcs) has to be called so that the refcount of the
// native objects goes to zero for clean shutdown. But it should not be called
// right away, because there may still be DispatcherOperations in the queue
// that will attempt to use IBCS, especially during downloading/activation.
// Last, it can't be called with prioroty lower than Normal, because that's
// the priority of Applicatoin.ShudownCallback(), which shuts down the
// Dispatcher.
Application.Current.Dispatcher.BeginInvoke(
DispatcherPriority.Normal, new DispatcherOperationCallback(ReleaseBrowserCallback), bcs);
}
}
ServiceProvider = null;
ClearRootBrowserWindow();
if (_storageRoot != null && _storageRoot.Value != null)
{
_storageRoot.Value.Close();
}
// Due to the dependecies the following objects have to be released
// in the following order: _document, DocumentManager,
// _packageStream, _unmanagedStream.
if (_document.Value is PackageDocument)
{
// We are about to close the package ad remove it from the Preloaded Packages Store.
// Let's make sure that the data structures are consistent. The package that we hold is
// actually in the store under the URI that we think it should be using
Debug.Assert(((PackageDocument)_document.Value).Package ==
PreloadedPackages.GetPackage(PackUriHelper.GetPackageUri(PackUriHelper.Create(Uri))));
// We need to remove the Package from the PreloadedPackage storage,
// so that potential future requests would fail in a way of returning a null (resource not found)
// rather then return a Package or stream that is already Closed
PreloadedPackages.RemovePackage(PackUriHelper.GetPackageUri(PackUriHelper.Create(Uri)));
((PackageDocument)_document.Value).Dispose();
_document.Value = null;
}
if (_mimeType.Value == MimeType.Document)
{
DocumentManager.CleanUp();
}
if (_packageStream.Value != null)
{
_packageStream.Value.Close();
}
if (_unmanagedStream.Value != null)
{
Marshal.ReleaseComObject(_unmanagedStream.Value);
_unmanagedStream = new SecurityCriticalData <object>(null);
}
}
private object Load(Stream stream, Uri parentUri, ParserContext pc, ContentType mimeType, string rootElement)
{
object obj = null;
if (!DocumentMode)
{ // Loose XAML, just check against schema, don't check content type
if (rootElement == null)
{
obj = XamlReader.Load(stream, pc);
}
}
else
{ // inside an XPS Document. Perform maximum validation
XpsSchema schema = XpsSchema.GetSchema(mimeType);
Uri uri = pc.BaseUri;
// Using PackUriHelper.ValidateAndGetPackUriComponents internal method
// to get Package and Part Uri in one step
Uri packageUri;
Uri partUri;
PackUriHelper.ValidateAndGetPackUriComponents(uri, out packageUri, out partUri);
Package package = PreloadedPackages.GetPackage(packageUri);
Uri parentPackageUri = null;
if (parentUri != null)
{
parentPackageUri = PackUriHelper.GetPackageUri(parentUri);
if (!parentPackageUri.Equals(packageUri))
{
throw new FileFormatException(SR.Get(SRID.XpsValidatingLoaderUriNotInSamePackage));
}
}
schema.ValidateRelationships(new SecurityCriticalData <Package>(package), packageUri, partUri, mimeType);
if (schema.AllowsMultipleReferencesToSameUri(mimeType))
{
_uniqueUriRef = null;
}
else
{
_uniqueUriRef = new Hashtable(11);
}
Hashtable validResources = (_validResources.Count > 0 ? _validResources.Peek() : null);
if (schema.HasRequiredResources(mimeType))
{
validResources = new Hashtable(11);
PackagePart part = package.GetPart(partUri);
PackageRelationshipCollection requiredResources = part.GetRelationshipsByType(_requiredResourceRel);
foreach (PackageRelationship relationShip in requiredResources)
{
Uri targetUri = PackUriHelper.ResolvePartUri(partUri, relationShip.TargetUri);
Uri absTargetUri = PackUriHelper.Create(packageUri, targetUri);
PackagePart targetPart = package.GetPart(targetUri);
if (schema.IsValidRequiredResourceMimeType(targetPart.ValidatedContentType))
{
if (!validResources.ContainsKey(absTargetUri))
{
validResources.Add(absTargetUri, true);
}
}
else
{
if (!validResources.ContainsKey(absTargetUri))
{
validResources.Add(absTargetUri, false);
}
}
}
}
XpsSchemaValidator xpsSchemaValidator = new XpsSchemaValidator(this, schema, mimeType,
stream, packageUri, partUri);
_validResources.Push(validResources);
if (rootElement != null)
{
xpsSchemaValidator.XmlReader.MoveToContent();
if (!rootElement.Equals(xpsSchemaValidator.XmlReader.Name))
{
throw new FileFormatException(SR.Get(SRID.XpsValidatingLoaderUnsupportedMimeType));
}
while (xpsSchemaValidator.XmlReader.Read())
{
;
}
}
else
{
obj = XamlReader.Load(xpsSchemaValidator.XmlReader,
pc,
XamlParseMode.Synchronous);
}
_validResources.Pop();
}
return(obj);
}
