Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / xsp / System / Web / Configuration / RemoteWebConfigurationHostServer.cs / 1 / RemoteWebConfigurationHostServer.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.Configuration {
using System.Collections;
using System.Configuration;
using System.Security;
using System.IO;
using System.Globalization;
using System.Text;
using System.Runtime.InteropServices;
using System.Reflection;
using System.Web.Util;
using System.Collections.Specialized;
using System.Xml;
using System.Security.Cryptography;
#if !FEATURE_PAL // FEATURE_PAL does not enable access control
using System.Security.AccessControl;
#endif // !FEATURE_PAL
using System.Security.Permissions;
#if !FEATURE_PAL // FEATURE_PAL does not enable COM
[ComVisible(true), ClassInterface(ClassInterfaceType.AutoDual),
#if WIN64
Guid("CE6ED9D0-3BF2-4243-B0AB-919BAC47542B"), ProgId("System.Web.Configuration.RemoteWebConfigurationHostServer_64")]
#else
Guid("8DEC0FA2-CC19-494F-8613-1F6221C0C5AB"), ProgId("System.Web.Configuration.RemoteWebConfigurationHostServer_32")]
#endif
#endif // FEATURE_PAL does not enable COM
[SecurityPermission(SecurityAction.Demand, Unrestricted = true)]
[AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
public class RemoteWebConfigurationHostServer : IRemoteWebConfigurationHostServer
{
internal const char FilePathsSeparatorChar = '<';
static internal readonly char[] FilePathsSeparatorParams = new char[] {FilePathsSeparatorChar};
public byte[] GetData(string fileName, bool getReadTimeOnly, out long readTime)
{
if (!fileName.ToLowerInvariant().EndsWith(".config", StringComparison.Ordinal))
throw new Exception(SR.GetString(SR.Can_not_access_files_other_than_config));
byte [] buf;
if (File.Exists(fileName)) {
if (getReadTimeOnly) {
buf = new byte[0];
}
else {
buf = File.ReadAllBytes(fileName);
}
DateTime lastWrite = File.GetLastWriteTimeUtc(fileName);
readTime = (DateTime.UtcNow > lastWrite ? DateTime.UtcNow.Ticks : lastWrite.Ticks);
} else {
buf = new byte[0];
readTime = DateTime.UtcNow.Ticks;
}
return buf;
}
public void WriteData(string fileName, string templateFileName, byte[] data, ref long readTime)
{
if (!fileName.ToLowerInvariant().EndsWith(".config", StringComparison.Ordinal))
throw new Exception(SR.GetString(SR.Can_not_access_files_other_than_config));
bool fileExists = File.Exists(fileName);
FileInfo fileInfo = null;
FileAttributes fileAttributes = FileAttributes.Normal;
string tempFile = null;
Exception createStreamExcep = null;
FileStream tempFileStream = null;
long lastWriteTicks = 0;
long utcNowTicks = 0;
/////////////////////////////////////////////////////////////////////
// Step 1: If the file exists, then make sure it hasn't been written to since it was read
if (fileExists && File.GetLastWriteTimeUtc(fileName).Ticks > readTime) {
throw new Exception(SR.GetString(SR.File_changed_since_read, fileName));
}
/////////////////////////////////////////////////////////////////////
// Step 2: Get the security-descriptor and attributes of the file
if (fileExists) {
try {
fileInfo = new FileInfo(fileName);
fileAttributes = fileInfo.Attributes;
} catch { }
if (((int)(fileAttributes & (FileAttributes.ReadOnly | FileAttributes.Hidden))) != 0)
throw new Exception(SR.GetString(SR.File_is_read_only, fileName));
}
/////////////////////////////////////////////////////////////////////
// Step 3: Generate a temp file name. Make sure that the temp file doesn't exist
tempFile = fileName + "." + GetRandomFileExt() + ".tmp";
for (int iter = 0; File.Exists(tempFile); iter++) { // if it exists, then use a different random name
if (iter > 100) // don't try more than 100 times
throw new Exception(SR.GetString(SR.Unable_to_create_temp_file));
else
tempFile = fileName + "." + GetRandomFileExt() + ".tmp";
}
/////////////////////////////////////////////////////////////////////
// Step 4: Write the buffer to the temp file, and move it to the actual file
try {
tempFileStream = new FileStream(tempFile, FileMode.CreateNew, FileAccess.Write, FileShare.ReadWrite, data.Length, FileOptions.WriteThrough);
tempFileStream.Write(data, 0, data.Length);
} catch (Exception e) {
createStreamExcep = e;
} finally {
if (tempFileStream != null)
tempFileStream.Close();
}
if (createStreamExcep != null) {
try {
File.Delete(tempFile);
} catch { }
throw createStreamExcep;
}
if (fileExists) {
try {
DuplicateFileAttributes(fileName, tempFile);
} catch { }
}
else if ( templateFileName != null ) {
try {
DuplicateTemplateAttributes(fileName, templateFileName);
} catch { }
}
/////////////////////////////////////////////////////////////////////
// Step 4: Move the temp filt to the actual file
if (!UnsafeNativeMethods.MoveFileEx(tempFile, fileName, MOVEFILE_COPY_ALLOWED | MOVEFILE_REPLACE_EXISTING | MOVEFILE_WRITE_THROUGH)) {
try {
File.Delete(tempFile);
} catch { }
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
}
/////////////////////////////////////////////////////////////////////
// Step 5: Set the attributes of the file
if (fileExists) {
fileInfo = new FileInfo(fileName);
fileInfo.Attributes = fileAttributes;
}
/////////////////////////////////////////////////////////////////////
// Step 6: Record the current time as the read-time
lastWriteTicks = File.GetLastWriteTimeUtc(fileName).Ticks;
utcNowTicks = DateTime.UtcNow.Ticks;
readTime = (utcNowTicks > lastWriteTicks ? utcNowTicks : lastWriteTicks);
}
public string GetFilePaths(int webLevelAsInt, string path, string site, string locationSubPath)
{
WebLevel webLevel = (WebLevel) webLevelAsInt;
IConfigMapPath configMapPath = IISMapPath.GetInstance();
// Get the configuration paths and application information
string appSiteName, appSiteID;
VirtualPath appPath;
string configPath, locationConfigPath;
WebConfigurationHost.GetConfigPaths(configMapPath, webLevel, VirtualPath.CreateNonRelativeAllowNull(path), site, locationSubPath,
out appPath, out appSiteName, out appSiteID, out configPath, out locationConfigPath);
//
// Format of filePaths:
// appPath < appSiteName < appSiteID < configPath < locationConfigPath [< configPath < fileName]+
//
ArrayList filePaths = new ArrayList();
filePaths.Add(VirtualPath.GetVirtualPathString(appPath));
filePaths.Add(appSiteName);
filePaths.Add(appSiteID);
filePaths.Add(configPath);
filePaths.Add(locationConfigPath);
string dummySiteID;
VirtualPath virtualPath;
WebConfigurationHost.GetSiteIDAndVPathFromConfigPath(configPath, out dummySiteID, out virtualPath);
// pathmap for machine.config
filePaths.Add(WebConfigurationHost.MachineConfigPath);
filePaths.Add(HttpConfigurationSystem.MachineConfigurationFilePath);
// pathmap for root web.config
if (webLevel != WebLevel.Machine) {
filePaths.Add(WebConfigurationHost.RootWebConfigPath);
filePaths.Add(HttpConfigurationSystem.RootWebConfigurationFilePath);
// pathmap for other paths
for (VirtualPath currentVirtualPath = virtualPath; currentVirtualPath != null; currentVirtualPath = currentVirtualPath.Parent)
{
string currentConfigPath = WebConfigurationHost.GetConfigPathFromSiteIDAndVPath(appSiteID, currentVirtualPath);
string currentFilePath = configMapPath.MapPath(appSiteID, currentVirtualPath.VirtualPathString);
currentFilePath = System.IO.Path.Combine(currentFilePath, HttpConfigurationSystem.WebConfigFileName);
filePaths.Add(currentConfigPath);
filePaths.Add(currentFilePath);
}
}
// join into a single string
StringBuilder sb = new StringBuilder();
for (int i = 0; i < filePaths.Count; i++) {
if (i > 0) {
sb.Append(FilePathsSeparatorChar);
}
string part = (string) filePaths[i];
sb.Append(part);
}
return sb.ToString();
}
public string DoEncryptOrDecrypt(bool doEncrypt, string xmlString, string protectionProviderName, string protectionProviderType, string[] paramKeys, string[] paramValues)
{
Type t = Type.GetType(protectionProviderType, true);
if (!typeof(ProtectedConfigurationProvider).IsAssignableFrom(t)) {
throw new Exception(SR.GetString(SR.WrongType_of_Protected_provider));
}
ProtectedConfigurationProvider provider = (ProtectedConfigurationProvider)Activator.CreateInstance(t);
NameValueCollection cloneParams = new NameValueCollection(paramKeys.Length);
XmlNode node;
for(int iter=0; iter
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.Configuration {
using System.Collections;
using System.Configuration;
using System.Security;
using System.IO;
using System.Globalization;
using System.Text;
using System.Runtime.InteropServices;
using System.Reflection;
using System.Web.Util;
using System.Collections.Specialized;
using System.Xml;
using System.Security.Cryptography;
#if !FEATURE_PAL // FEATURE_PAL does not enable access control
using System.Security.AccessControl;
#endif // !FEATURE_PAL
using System.Security.Permissions;
#if !FEATURE_PAL // FEATURE_PAL does not enable COM
[ComVisible(true), ClassInterface(ClassInterfaceType.AutoDual),
#if WIN64
Guid("CE6ED9D0-3BF2-4243-B0AB-919BAC47542B"), ProgId("System.Web.Configuration.RemoteWebConfigurationHostServer_64")]
#else
Guid("8DEC0FA2-CC19-494F-8613-1F6221C0C5AB"), ProgId("System.Web.Configuration.RemoteWebConfigurationHostServer_32")]
#endif
#endif // FEATURE_PAL does not enable COM
[SecurityPermission(SecurityAction.Demand, Unrestricted = true)]
[AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
public class RemoteWebConfigurationHostServer : IRemoteWebConfigurationHostServer
{
internal const char FilePathsSeparatorChar = '<';
static internal readonly char[] FilePathsSeparatorParams = new char[] {FilePathsSeparatorChar};
public byte[] GetData(string fileName, bool getReadTimeOnly, out long readTime)
{
if (!fileName.ToLowerInvariant().EndsWith(".config", StringComparison.Ordinal))
throw new Exception(SR.GetString(SR.Can_not_access_files_other_than_config));
byte [] buf;
if (File.Exists(fileName)) {
if (getReadTimeOnly) {
buf = new byte[0];
}
else {
buf = File.ReadAllBytes(fileName);
}
DateTime lastWrite = File.GetLastWriteTimeUtc(fileName);
readTime = (DateTime.UtcNow > lastWrite ? DateTime.UtcNow.Ticks : lastWrite.Ticks);
} else {
buf = new byte[0];
readTime = DateTime.UtcNow.Ticks;
}
return buf;
}
public void WriteData(string fileName, string templateFileName, byte[] data, ref long readTime)
{
if (!fileName.ToLowerInvariant().EndsWith(".config", StringComparison.Ordinal))
throw new Exception(SR.GetString(SR.Can_not_access_files_other_than_config));
bool fileExists = File.Exists(fileName);
FileInfo fileInfo = null;
FileAttributes fileAttributes = FileAttributes.Normal;
string tempFile = null;
Exception createStreamExcep = null;
FileStream tempFileStream = null;
long lastWriteTicks = 0;
long utcNowTicks = 0;
/////////////////////////////////////////////////////////////////////
// Step 1: If the file exists, then make sure it hasn't been written to since it was read
if (fileExists && File.GetLastWriteTimeUtc(fileName).Ticks > readTime) {
throw new Exception(SR.GetString(SR.File_changed_since_read, fileName));
}
/////////////////////////////////////////////////////////////////////
// Step 2: Get the security-descriptor and attributes of the file
if (fileExists) {
try {
fileInfo = new FileInfo(fileName);
fileAttributes = fileInfo.Attributes;
} catch { }
if (((int)(fileAttributes & (FileAttributes.ReadOnly | FileAttributes.Hidden))) != 0)
throw new Exception(SR.GetString(SR.File_is_read_only, fileName));
}
/////////////////////////////////////////////////////////////////////
// Step 3: Generate a temp file name. Make sure that the temp file doesn't exist
tempFile = fileName + "." + GetRandomFileExt() + ".tmp";
for (int iter = 0; File.Exists(tempFile); iter++) { // if it exists, then use a different random name
if (iter > 100) // don't try more than 100 times
throw new Exception(SR.GetString(SR.Unable_to_create_temp_file));
else
tempFile = fileName + "." + GetRandomFileExt() + ".tmp";
}
/////////////////////////////////////////////////////////////////////
// Step 4: Write the buffer to the temp file, and move it to the actual file
try {
tempFileStream = new FileStream(tempFile, FileMode.CreateNew, FileAccess.Write, FileShare.ReadWrite, data.Length, FileOptions.WriteThrough);
tempFileStream.Write(data, 0, data.Length);
} catch (Exception e) {
createStreamExcep = e;
} finally {
if (tempFileStream != null)
tempFileStream.Close();
}
if (createStreamExcep != null) {
try {
File.Delete(tempFile);
} catch { }
throw createStreamExcep;
}
if (fileExists) {
try {
DuplicateFileAttributes(fileName, tempFile);
} catch { }
}
else if ( templateFileName != null ) {
try {
DuplicateTemplateAttributes(fileName, templateFileName);
} catch { }
}
/////////////////////////////////////////////////////////////////////
// Step 4: Move the temp filt to the actual file
if (!UnsafeNativeMethods.MoveFileEx(tempFile, fileName, MOVEFILE_COPY_ALLOWED | MOVEFILE_REPLACE_EXISTING | MOVEFILE_WRITE_THROUGH)) {
try {
File.Delete(tempFile);
} catch { }
Marshal.ThrowExceptionForHR(Marshal.GetHRForLastWin32Error());
}
/////////////////////////////////////////////////////////////////////
// Step 5: Set the attributes of the file
if (fileExists) {
fileInfo = new FileInfo(fileName);
fileInfo.Attributes = fileAttributes;
}
/////////////////////////////////////////////////////////////////////
// Step 6: Record the current time as the read-time
lastWriteTicks = File.GetLastWriteTimeUtc(fileName).Ticks;
utcNowTicks = DateTime.UtcNow.Ticks;
readTime = (utcNowTicks > lastWriteTicks ? utcNowTicks : lastWriteTicks);
}
public string GetFilePaths(int webLevelAsInt, string path, string site, string locationSubPath)
{
WebLevel webLevel = (WebLevel) webLevelAsInt;
IConfigMapPath configMapPath = IISMapPath.GetInstance();
// Get the configuration paths and application information
string appSiteName, appSiteID;
VirtualPath appPath;
string configPath, locationConfigPath;
WebConfigurationHost.GetConfigPaths(configMapPath, webLevel, VirtualPath.CreateNonRelativeAllowNull(path), site, locationSubPath,
out appPath, out appSiteName, out appSiteID, out configPath, out locationConfigPath);
//
// Format of filePaths:
// appPath < appSiteName < appSiteID < configPath < locationConfigPath [< configPath < fileName]+
//
ArrayList filePaths = new ArrayList();
filePaths.Add(VirtualPath.GetVirtualPathString(appPath));
filePaths.Add(appSiteName);
filePaths.Add(appSiteID);
filePaths.Add(configPath);
filePaths.Add(locationConfigPath);
string dummySiteID;
VirtualPath virtualPath;
WebConfigurationHost.GetSiteIDAndVPathFromConfigPath(configPath, out dummySiteID, out virtualPath);
// pathmap for machine.config
filePaths.Add(WebConfigurationHost.MachineConfigPath);
filePaths.Add(HttpConfigurationSystem.MachineConfigurationFilePath);
// pathmap for root web.config
if (webLevel != WebLevel.Machine) {
filePaths.Add(WebConfigurationHost.RootWebConfigPath);
filePaths.Add(HttpConfigurationSystem.RootWebConfigurationFilePath);
// pathmap for other paths
for (VirtualPath currentVirtualPath = virtualPath; currentVirtualPath != null; currentVirtualPath = currentVirtualPath.Parent)
{
string currentConfigPath = WebConfigurationHost.GetConfigPathFromSiteIDAndVPath(appSiteID, currentVirtualPath);
string currentFilePath = configMapPath.MapPath(appSiteID, currentVirtualPath.VirtualPathString);
currentFilePath = System.IO.Path.Combine(currentFilePath, HttpConfigurationSystem.WebConfigFileName);
filePaths.Add(currentConfigPath);
filePaths.Add(currentFilePath);
}
}
// join into a single string
StringBuilder sb = new StringBuilder();
for (int i = 0; i < filePaths.Count; i++) {
if (i > 0) {
sb.Append(FilePathsSeparatorChar);
}
string part = (string) filePaths[i];
sb.Append(part);
}
return sb.ToString();
}
public string DoEncryptOrDecrypt(bool doEncrypt, string xmlString, string protectionProviderName, string protectionProviderType, string[] paramKeys, string[] paramValues)
{
Type t = Type.GetType(protectionProviderType, true);
if (!typeof(ProtectedConfigurationProvider).IsAssignableFrom(t)) {
throw new Exception(SR.GetString(SR.WrongType_of_Protected_provider));
}
ProtectedConfigurationProvider provider = (ProtectedConfigurationProvider)Activator.CreateInstance(t);
NameValueCollection cloneParams = new NameValueCollection(paramKeys.Length);
XmlNode node;
for(int iter=0; iter
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