internal bool LoadXmlFile(XmlFileLoadInfo info, TypeInfoDataBase db, MshExpressionFactory expressionFactory, AuthorizationManager authorizationManager, PSHost host, bool preValidated)
{
if (info == null)
{
throw PSTraceSource.NewArgumentNullException("info");
}
if (info.filePath == null)
{
throw PSTraceSource.NewArgumentNullException("info.filePath");
}
if (db == null)
{
throw PSTraceSource.NewArgumentNullException("db");
}
if (expressionFactory == null)
{
throw PSTraceSource.NewArgumentNullException("expressionFactory");
}
base.displayResourceManagerCache = db.displayResourceManagerCache;
base.expressionFactory = expressionFactory;
base.SetDatabaseLoadingInfo(info);
base.ReportTrace("loading file started");
XmlDocument doc = null;
bool isFullyTrusted = false;
doc = base.LoadXmlDocumentFromFileLoadingInfo(authorizationManager, host, out isFullyTrusted);
if (SystemPolicy.GetSystemLockdownPolicy() == SystemEnforcementMode.Enforce)
{
base.SetLoadingInfoIsFullyTrusted(isFullyTrusted);
}
if (doc == null)
{
return false;
}
bool suppressValidation = this.suppressValidation;
try
{
this.suppressValidation = preValidated;
try
{
this.LoadData(doc, db);
}
catch (TooManyErrorsException)
{
return false;
}
catch (Exception exception)
{
base.ReportError(StringUtil.Format(FormatAndOutXmlLoadingStrings.ErrorInFile, base.FilePath, exception.Message));
throw;
}
if (base.HasErrors)
{
return false;
}
}
finally
{
this.suppressValidation = suppressValidation;
}
base.ReportTrace("file loaded with no errors");
return true;
}
protected XmlDocument LoadXmlDocumentFromFileLoadingInfo(AuthorizationManager authorizationManager, PSHost host, out bool isFullyTrusted)
{
// get file contents
ExternalScriptInfo ps1xmlInfo = new ExternalScriptInfo(FilePath, FilePath);
string fileContents = ps1xmlInfo.ScriptContents;
isFullyTrusted = false;
if (ps1xmlInfo.DefiningLanguageMode == PSLanguageMode.FullLanguage)
{
isFullyTrusted = true;
}
if (authorizationManager != null)
{
try
{
authorizationManager.ShouldRunInternal(ps1xmlInfo, CommandOrigin.Internal, host);
}
catch (PSSecurityException reason)
{
string errorMessage = StringUtil.Format(TypesXmlStrings.ValidationException,
string.Empty /* TODO/FIXME snapin */,
FilePath,
reason.Message);
ReportLogEntryHelper(errorMessage, XmlLoaderLoggerEntry.EntryType.Error, failToLoadFile: true);
return null;
}
}
// load file into XML document
try
{
XmlDocument doc = InternalDeserializer.LoadUnsafeXmlDocument(
fileContents,
true, /* preserve whitespace, comments, etc. */
null); /* default maxCharacters */
this.ReportTrace("XmlDocument loaded OK");
return doc;
}
catch (XmlException e)
{
this.ReportError(StringUtil.Format(FormatAndOutXmlLoadingStrings.ErrorInFile, FilePath, e.Message));
this.ReportTrace("XmlDocument discarded");
return null;
}
catch (Exception e) // will rethrow
{
CommandProcessor.CheckForSevereException(e);
throw;
}
}
/// <summary>
/// entry point for the loader algorithm
/// </summary>
/// <param name="info">information needed to load the file</param>
/// <param name="db">database instance to load the file into</param>
/// <param name="expressionFactory">expression factory to validate script blocks</param>
/// <param name="authorizationManager">
/// Authorization manager to perform signature checks before reading ps1xml files (or null of no checks are needed)
/// </param>
/// <param name="host">
/// Host passed to <paramref name="authorizationManager"/>. Can be null if no interactive questions should be asked.
/// </param>
/// <param name="preValidated">
/// True if the format data has been pre-validated (build time, manual testing, etc) so that validation can be
/// skipped at runtime.
/// </param>
/// <returns>true if successful</returns>
internal bool LoadXmlFile(
XmlFileLoadInfo info,
TypeInfoDataBase db,
MshExpressionFactory expressionFactory,
AuthorizationManager authorizationManager,
PSHost host,
bool preValidated)
{
if (info == null)
throw PSTraceSource.NewArgumentNullException("info");
if (info.filePath == null)
throw PSTraceSource.NewArgumentNullException("info.filePath");
if (db == null)
throw PSTraceSource.NewArgumentNullException("db");
if (expressionFactory == null)
throw PSTraceSource.NewArgumentNullException("expressionFactory");
if (SecuritySupport.IsProductBinary(info.filePath))
{
this.SetLoadingInfoIsProductCode(true);
}
this.displayResourceManagerCache = db.displayResourceManagerCache;
this.expressionFactory = expressionFactory;
this.SetDatabaseLoadingInfo(info);
this.ReportTrace("loading file started");
// load file into XML document
XmlDocument newDocument = null;
bool isFullyTrusted = false;
newDocument = LoadXmlDocumentFromFileLoadingInfo(authorizationManager, host, out isFullyTrusted);
// If we're not in a locked-down environment, types and formatting are allowed based just on the authorization
// manager. If we are in a locked-down environment, additionally check the system policy.
if (SystemPolicy.GetSystemLockdownPolicy() == SystemEnforcementMode.Enforce)
{
SetLoadingInfoIsFullyTrusted(isFullyTrusted);
}
if (newDocument == null)
{
return false;
}
// load the XML document into a copy of the
// in memory database
bool previousSuppressValidation = _suppressValidation;
try
{
_suppressValidation = preValidated;
try
{
this.LoadData(newDocument, db);
}
catch (TooManyErrorsException)
{
// already logged an error before throwing
return false;
}
catch (Exception e) // will rethrow
{
//Error in file {0}: {1}
this.ReportError(StringUtil.Format(FormatAndOutXmlLoadingStrings.ErrorInFile, FilePath, e.Message));
throw;
}
if (this.HasErrors)
{
return false;
}
}
finally
{
_suppressValidation = previousSuppressValidation;
}
this.ReportTrace("file loaded with no errors");
return true;
}
protected XmlDocument LoadXmlDocumentFromFileLoadingInfo(AuthorizationManager authorizationManager, PSHost host, out bool isFullyTrusted)
{
XmlDocument document2;
ExternalScriptInfo commandInfo = new ExternalScriptInfo(this.FilePath, this.FilePath);
string scriptContents = commandInfo.ScriptContents;
isFullyTrusted = false;
if (((PSLanguageMode) commandInfo.DefiningLanguageMode) == PSLanguageMode.FullLanguage)
{
isFullyTrusted = true;
}
if (authorizationManager != null)
{
try
{
authorizationManager.ShouldRunInternal(commandInfo, CommandOrigin.Internal, host);
}
catch (PSSecurityException exception)
{
string message = StringUtil.Format(TypesXmlStrings.ValidationException, new object[] { string.Empty, this.FilePath, exception.Message });
this.ReportLogEntryHelper(message, XmlLoaderLoggerEntry.EntryType.Error, true);
return null;
}
}
try
{
XmlDocument document = InternalDeserializer.LoadUnsafeXmlDocument(scriptContents, true, null);
this.ReportTrace("XmlDocument loaded OK");
document2 = document;
}
catch (XmlException exception2)
{
this.ReportError(StringUtil.Format(FormatAndOutXmlLoadingStrings.ErrorInFile, this.FilePath, exception2.Message));
this.ReportTrace("XmlDocument discarded");
document2 = null;
}
catch (Exception exception3)
{
CommandProcessorBase.CheckForSevereException(exception3);
throw;
}
return document2;
}
