Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / wpf / src / Framework / MS / Internal / IO / Packaging / ContainerActivationHelper.cs / 1 / ContainerActivationHelper.cs
//----------------------------------------------------------------------------
//
//
// Copyright (C) Microsoft Corporation. All rights reserved.
//
//
// Description:
// Helper functions to be used for activating/hosting a container
//
// History:
// 07/19/04: younggk Refacted out from Application.cs and DocobjHost.cs
// 07/19/04: younggk Added side-by-side support for Metro Package
//
//---------------------------------------------------------------------------
using System;
using System.Diagnostics;
using System.IO;
using System.IO.Packaging;
using System.Reflection;
using System.Security;
using System.Security.Permissions;
using System.Windows;
using System.Windows.Navigation;
using System.Windows.Markup;
using MS.Internal.IO.Packaging.CompoundFile;
using MS.Internal.Utility;
using MS.Internal.PresentationFramework;
using MS.Utility; // MimeType
using MS.Internal.Documents; // DocumentApplication
namespace MS.Internal.IO.Packaging
{
///
/// Helper class to be used for activating or hosting a container
///
static internal class ContainerActivationHelper
{
//-----------------------------------------------------
//
// Public Constructors
//
//-----------------------------------------------------
// NONE
//------------------------------------------------------
//
// Public Properties
//
//-----------------------------------------------------
// NONE
//------------------------------------------------------
//
// Public Methods
//
//------------------------------------------------------
// NONE
//-----------------------------------------------------
//
// Public Events
//
//------------------------------------------------------
// NONE
//-----------------------------------------------------
//
// Internal Constructors
//
//-----------------------------------------------------
// None
//-----------------------------------------------------
//
// Internal Properties
//
//------------------------------------------------------
// None
//-----------------------------------------------------
//
// Internal Methods
//
//------------------------------------------------------
#region Internal Methods
///
/// Load an app from a container
///
///
///
///
/// Critical: This sets the container path, which is critical, and handles other critical data, such as the
/// uri, rootStorage, container, and ServiceProvider
///
[SecurityCritical]
static internal Application LoadFromContainer(Uri containerUri,
#if CF_Envelope_Activation_Enabled
StorageRoot rootStorage,
#endif
Package container,
IServiceProvider isp)
{
#if CF_Envelope_Activation_Enabled
CheckAndAssertForContainer(rootStorage, container);
#else
CheckAndAssertForContainer(container);
#endif
#if CF_Envelope_Activation_Enabled
if (rootStorage != null)
{
//
// This is RM Initialization event. for Compound File case
DataSpaceManager dataSpaceManager = rootStorage.GetDataSpaceManager();
dataSpaceManager.OnTransformInitialization +=
new DataSpaceManager.TransformInitializeEventHandler(Application.HandleCompoundFileRmTransformInitConsumption);
}
BindUriHelper.Container = rootStorage;
#endif // CF_Envelope_Activation_Enabled
#if CF_Envelope_Activation_Enabled
if (rootStorage != null)
{
// ToDo (younggk: CF Envelope): We need this when we implement CF Envelope
// this includes the container and is in the ssres scheme
// BindUriHelper.BaseUri = CompoundFileUri.CreateFromAbsoluteUri(containerUri);
}
else
{
#endif
Debug.Assert(container != null);
// Case sensitive is fine here because Uri.Scheme contract is to return in lower case only.
if (!SecurityHelper.AreStringTypesEqual(containerUri.Scheme, PackUriHelper.UriSchemePack))
{
// this includes the container and is in the pack scheme
BindUriHelper.BaseUri = PackUriHelper.Create(containerUri);
}
#if CF_Envelope_Activation_Enabled
}
return GetContainerEntryPoint(rootStorage, container, isp);
#else
return GetContainerEntryPoint(container, isp);
#endif
}
#endregion Internal Methods
//------------------------------------------------------
//
// Internal Events
//
//-----------------------------------------------------
// None
//------------------------------------------------------
//
// Private Methods
//
//-----------------------------------------------------
#region Private Methods
#if CF_Envelope_Activation_Enabled
// ToDo (younggk: CF Envelope): We need this when we implement CF Envelope
///
/// Get the application from a container
///
///
///
/// ToDo (younggk): PS# 25616 Remove the parameter, rootStorage, once we make full transition to Metro
///
/// Critical because it sets the IServiceProvider (critical data) based on input parameters.
///
[SecurityCritical]
static private Application GetContainerEntryPoint(StorageRoot rootStorage,
Package container,
IServiceProvider isp)
{
if (container != null)
{
return GetContainerEntryPoint(container, isp);
}
if (rootStorage != null)
{
return GetContainerEntryPoint(rootStorage, isp);
}
return null;
}
///
/// Get the application from a container (CF)
///
///
///
/// ToDo (younggk): PS# 25616 Remove this method once we make full transition to Metro
///
/// Critical because it sets the apps IServiceProvider (critical data) based on an input parameter
///
[SecurityCritical]
static private Application GetContainerEntryPoint(StorageRoot root,
IServiceProvider isp)
{
StorageInfo rootStorage = (StorageInfo) root;
StreamInfo startupPageStreamInfo = new StreamInfo(rootStorage, StartupPageStreamName);
if (!startupPageStreamInfo.Exists)
{
throw new NotSupportedException(SR.Get(SRID.UnknownContainerFormat));
}
string startupPage = GetStringFromStreamInfo(startupPageStreamInfo);
if (startupPage == null || startupPage.Length == 0)
{
throw new NotSupportedException(SR.Get(SRID.UnknownContainerFormat));
}
Application appObject = new Application();
appObject.StartupUri = new Uri(startupPage, UriKind.RelativeOrAbsolute);
if (isp != null)
{
appObject.ServiceProvider = isp;
}
return appObject;
}
#endif
///
/// Get the application from a container
///
///
///
/// ToDo (younggk): PS# 25616 Make this one internal and remove other overloads
/// once we make full transition to Metro
///
/// Critical because it sets the apps IServiceProvider (critical data) based on an input parameter
///
[SecurityCritical]
static private Application GetContainerEntryPoint(Package container,
IServiceProvider isp)
{
// check to make sure that StartingPart is xaml
PackagePart startingPart = GetReachPackageStartingPart(container);
// the only supported mime types in a container
if ((startingPart == null) ||
(!startingPart.ValidatedContentType.AreTypeAndSubTypeEqual( MimeTypeMapper.FixedDocumentSequenceMime )))
{
throw new NotSupportedException(SR.Get(SRID.UnknownContainerFormat));
}
// load DocumentApplication
DocumentApplication appObject = new DocumentApplication();
// assign StartPart as Startup Uri
appObject.StartupUri = startingPart.Uri;
if (isp != null)
{
appObject.ServiceProvider = isp;
}
return appObject;
}
#if CF_Envelope_Activation_Enabled
// ToDo (younggk: CF Envelope): We need this when we implement CF Envelope
// ToDo (younggk: CF Envelope): We need this when we implement CF Envelope
///
/// Get a string from the stream
///
///
///
/// ToDo (younggk): PS# 25616 Remove this method once we make full transition to Metro
private static string GetStringFromStreamInfo(StreamInfo streamInfo)
{
string streamString;
using(Stream stream = streamInfo.Open(FileMode.Open, FileAccess.Read))
{
using(BinaryReader binaryReader = new BinaryReader(stream))
{
streamString = binaryReader.ReadString();
}
}
return streamString;
}
///
/// Get the Uri of the stream given base Uri
///
///
///
/// ToDo (younggk): PS# 25616 Remove this method once we make full transition to Metro
///
/// Critical as it access the base uri through GetResolvedUri
/// TreatAsSafe since it demands unrestricted permission
///
[SecurityCritical, SecurityTreatAsSafe]
private static Uri GetUriForStream(Uri baseBpu, String streamFullName)
{
SecurityHelper.DemandUnmanagedCode();
Debug.Assert(streamFullName != null && streamFullName.Length > 0);
if (streamFullName == null || streamFullName.Length < 1)
return null;
//
// Create Uri for the given stream
//
Uri bpu = new Uri(streamFullName.Replace('\\', '/'), UriKind.RelativeOrAbsolute);
if (bpu.IsAbsoluteUri == false)
bpu = BindUriHelper.GetResolvedUri(CompoundFileUri.CreateFromAbsoluteUri(baseBpu), bpu);
return bpu;
}
#endif
static private void CheckAndAssertForContainer(
#if CF_Envelope_Activation_Enabled
StorageRoot root,
#endif
Package container)
{
#if CF_Envelope_Activation_Enabled
// ToDo (younggk: CF Envelope): We need this when we implement CF Envelope
// ToDo (younggk: CF Envelope): We need this when we implement CF Envelope
Debug.Assert((root != null && container == null)
|| (root == null && container != null), "Only one of CF-specific or Metro container should be opened");
#else
Debug.Assert(container != null, "No container is opened");
#endif
}
///
/// Gets StartingPart of the Reach Package.
///
/// PackagePart
static private PackagePart GetReachPackageStartingPart(Package package)
{
Debug.Assert(package != null, "package cannot be null");
PackageRelationship startingPartRelationship = null;
foreach (PackageRelationship rel in package.GetRelationshipsByType(ReachPackageStartingPartRelationshipType))
{
if (startingPartRelationship != null)
{
throw new InvalidDataException(SR.Get(SRID.MoreThanOneStartingParts));
}
startingPartRelationship = rel;
}
if (startingPartRelationship != null)
{
Uri startPartUri = PackUriHelper.ResolvePartUri(startingPartRelationship.SourceUri, startingPartRelationship.TargetUri);
if(package.PartExists(startPartUri))
return (package.GetPart(startPartUri));
else
return null;
}
return null;
}
#endregion Private Methods
//-----------------------------------------------------
//
// Private Fields
//
//-----------------------------------------------------
#region Private Members
//we use this dummy URI to resolve relative URIs treating the container as the authority.
private static readonly Uri _defaultUri = new Uri("http://defaultcontainer/");
private static readonly string ReachPackageStartingPartRelationshipType = "http://schemas.microsoft.com/xps/2005/06/fixedrepresentation";
#endregion Private Members
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
//----------------------------------------------------------------------------
//
//
// Copyright (C) Microsoft Corporation. All rights reserved.
//
//
// Description:
// Helper functions to be used for activating/hosting a container
//
// History:
// 07/19/04: younggk Refacted out from Application.cs and DocobjHost.cs
// 07/19/04: younggk Added side-by-side support for Metro Package
//
//---------------------------------------------------------------------------
using System;
using System.Diagnostics;
using System.IO;
using System.IO.Packaging;
using System.Reflection;
using System.Security;
using System.Security.Permissions;
using System.Windows;
using System.Windows.Navigation;
using System.Windows.Markup;
using MS.Internal.IO.Packaging.CompoundFile;
using MS.Internal.Utility;
using MS.Internal.PresentationFramework;
using MS.Utility; // MimeType
using MS.Internal.Documents; // DocumentApplication
namespace MS.Internal.IO.Packaging
{
///
/// Helper class to be used for activating or hosting a container
///
static internal class ContainerActivationHelper
{
//-----------------------------------------------------
//
// Public Constructors
//
//-----------------------------------------------------
// NONE
//------------------------------------------------------
//
// Public Properties
//
//-----------------------------------------------------
// NONE
//------------------------------------------------------
//
// Public Methods
//
//------------------------------------------------------
// NONE
//-----------------------------------------------------
//
// Public Events
//
//------------------------------------------------------
// NONE
//-----------------------------------------------------
//
// Internal Constructors
//
//-----------------------------------------------------
// None
//-----------------------------------------------------
//
// Internal Properties
//
//------------------------------------------------------
// None
//-----------------------------------------------------
//
// Internal Methods
//
//------------------------------------------------------
#region Internal Methods
///
/// Load an app from a container
///
///
///
///
/// Critical: This sets the container path, which is critical, and handles other critical data, such as the
/// uri, rootStorage, container, and ServiceProvider
///
[SecurityCritical]
static internal Application LoadFromContainer(Uri containerUri,
#if CF_Envelope_Activation_Enabled
StorageRoot rootStorage,
#endif
Package container,
IServiceProvider isp)
{
#if CF_Envelope_Activation_Enabled
CheckAndAssertForContainer(rootStorage, container);
#else
CheckAndAssertForContainer(container);
#endif
#if CF_Envelope_Activation_Enabled
if (rootStorage != null)
{
//
// This is RM Initialization event. for Compound File case
DataSpaceManager dataSpaceManager = rootStorage.GetDataSpaceManager();
dataSpaceManager.OnTransformInitialization +=
new DataSpaceManager.TransformInitializeEventHandler(Application.HandleCompoundFileRmTransformInitConsumption);
}
BindUriHelper.Container = rootStorage;
#endif // CF_Envelope_Activation_Enabled
#if CF_Envelope_Activation_Enabled
if (rootStorage != null)
{
// ToDo (younggk: CF Envelope): We need this when we implement CF Envelope
// this includes the container and is in the ssres scheme
// BindUriHelper.BaseUri = CompoundFileUri.CreateFromAbsoluteUri(containerUri);
}
else
{
#endif
Debug.Assert(container != null);
// Case sensitive is fine here because Uri.Scheme contract is to return in lower case only.
if (!SecurityHelper.AreStringTypesEqual(containerUri.Scheme, PackUriHelper.UriSchemePack))
{
// this includes the container and is in the pack scheme
BindUriHelper.BaseUri = PackUriHelper.Create(containerUri);
}
#if CF_Envelope_Activation_Enabled
}
return GetContainerEntryPoint(rootStorage, container, isp);
#else
return GetContainerEntryPoint(container, isp);
#endif
}
#endregion Internal Methods
//------------------------------------------------------
//
// Internal Events
//
//-----------------------------------------------------
// None
//------------------------------------------------------
//
// Private Methods
//
//-----------------------------------------------------
#region Private Methods
#if CF_Envelope_Activation_Enabled
// ToDo (younggk: CF Envelope): We need this when we implement CF Envelope
///
/// Get the application from a container
///
///
///
/// ToDo (younggk): PS# 25616 Remove the parameter, rootStorage, once we make full transition to Metro
///
/// Critical because it sets the IServiceProvider (critical data) based on input parameters.
///
[SecurityCritical]
static private Application GetContainerEntryPoint(StorageRoot rootStorage,
Package container,
IServiceProvider isp)
{
if (container != null)
{
return GetContainerEntryPoint(container, isp);
}
if (rootStorage != null)
{
return GetContainerEntryPoint(rootStorage, isp);
}
return null;
}
///
/// Get the application from a container (CF)
///
///
///
/// ToDo (younggk): PS# 25616 Remove this method once we make full transition to Metro
///
/// Critical because it sets the apps IServiceProvider (critical data) based on an input parameter
///
[SecurityCritical]
static private Application GetContainerEntryPoint(StorageRoot root,
IServiceProvider isp)
{
StorageInfo rootStorage = (StorageInfo) root;
StreamInfo startupPageStreamInfo = new StreamInfo(rootStorage, StartupPageStreamName);
if (!startupPageStreamInfo.Exists)
{
throw new NotSupportedException(SR.Get(SRID.UnknownContainerFormat));
}
string startupPage = GetStringFromStreamInfo(startupPageStreamInfo);
if (startupPage == null || startupPage.Length == 0)
{
throw new NotSupportedException(SR.Get(SRID.UnknownContainerFormat));
}
Application appObject = new Application();
appObject.StartupUri = new Uri(startupPage, UriKind.RelativeOrAbsolute);
if (isp != null)
{
appObject.ServiceProvider = isp;
}
return appObject;
}
#endif
///
/// Get the application from a container
///
///
///
/// ToDo (younggk): PS# 25616 Make this one internal and remove other overloads
/// once we make full transition to Metro
///
/// Critical because it sets the apps IServiceProvider (critical data) based on an input parameter
///
[SecurityCritical]
static private Application GetContainerEntryPoint(Package container,
IServiceProvider isp)
{
// check to make sure that StartingPart is xaml
PackagePart startingPart = GetReachPackageStartingPart(container);
// the only supported mime types in a container
if ((startingPart == null) ||
(!startingPart.ValidatedContentType.AreTypeAndSubTypeEqual( MimeTypeMapper.FixedDocumentSequenceMime )))
{
throw new NotSupportedException(SR.Get(SRID.UnknownContainerFormat));
}
// load DocumentApplication
DocumentApplication appObject = new DocumentApplication();
// assign StartPart as Startup Uri
appObject.StartupUri = startingPart.Uri;
if (isp != null)
{
appObject.ServiceProvider = isp;
}
return appObject;
}
#if CF_Envelope_Activation_Enabled
// ToDo (younggk: CF Envelope): We need this when we implement CF Envelope
// ToDo (younggk: CF Envelope): We need this when we implement CF Envelope
///
/// Get a string from the stream
///
///
///
/// ToDo (younggk): PS# 25616 Remove this method once we make full transition to Metro
private static string GetStringFromStreamInfo(StreamInfo streamInfo)
{
string streamString;
using(Stream stream = streamInfo.Open(FileMode.Open, FileAccess.Read))
{
using(BinaryReader binaryReader = new BinaryReader(stream))
{
streamString = binaryReader.ReadString();
}
}
return streamString;
}
///
/// Get the Uri of the stream given base Uri
///
///
///
/// ToDo (younggk): PS# 25616 Remove this method once we make full transition to Metro
///
/// Critical as it access the base uri through GetResolvedUri
/// TreatAsSafe since it demands unrestricted permission
///
[SecurityCritical, SecurityTreatAsSafe]
private static Uri GetUriForStream(Uri baseBpu, String streamFullName)
{
SecurityHelper.DemandUnmanagedCode();
Debug.Assert(streamFullName != null && streamFullName.Length > 0);
if (streamFullName == null || streamFullName.Length < 1)
return null;
//
// Create Uri for the given stream
//
Uri bpu = new Uri(streamFullName.Replace('\\', '/'), UriKind.RelativeOrAbsolute);
if (bpu.IsAbsoluteUri == false)
bpu = BindUriHelper.GetResolvedUri(CompoundFileUri.CreateFromAbsoluteUri(baseBpu), bpu);
return bpu;
}
#endif
static private void CheckAndAssertForContainer(
#if CF_Envelope_Activation_Enabled
StorageRoot root,
#endif
Package container)
{
#if CF_Envelope_Activation_Enabled
// ToDo (younggk: CF Envelope): We need this when we implement CF Envelope
// ToDo (younggk: CF Envelope): We need this when we implement CF Envelope
Debug.Assert((root != null && container == null)
|| (root == null && container != null), "Only one of CF-specific or Metro container should be opened");
#else
Debug.Assert(container != null, "No container is opened");
#endif
}
///
/// Gets StartingPart of the Reach Package.
///
/// PackagePart
static private PackagePart GetReachPackageStartingPart(Package package)
{
Debug.Assert(package != null, "package cannot be null");
PackageRelationship startingPartRelationship = null;
foreach (PackageRelationship rel in package.GetRelationshipsByType(ReachPackageStartingPartRelationshipType))
{
if (startingPartRelationship != null)
{
throw new InvalidDataException(SR.Get(SRID.MoreThanOneStartingParts));
}
startingPartRelationship = rel;
}
if (startingPartRelationship != null)
{
Uri startPartUri = PackUriHelper.ResolvePartUri(startingPartRelationship.SourceUri, startingPartRelationship.TargetUri);
if(package.PartExists(startPartUri))
return (package.GetPart(startPartUri));
else
return null;
}
return null;
}
#endregion Private Methods
//-----------------------------------------------------
//
// Private Fields
//
//-----------------------------------------------------
#region Private Members
//we use this dummy URI to resolve relative URIs treating the container as the authority.
private static readonly Uri _defaultUri = new Uri("http://defaultcontainer/");
private static readonly string ReachPackageStartingPartRelationshipType = "http://schemas.microsoft.com/xps/2005/06/fixedrepresentation";
#endregion Private Members
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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