Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / xsp / System / Web / HttpResponseHeader.cs / 1 / HttpResponseHeader.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* * Single http header representation * * Copyright (c) 1998 Microsoft Corporation */ namespace System.Web { using System.Collections; using System.Text; /* * Response header (either known or unknown) */ internal class HttpResponseHeader { private String _unknownHeader; private int _knownHeaderIndex; private String _value; private static readonly string[] EncodingTable = new string[] { "%00", "%01", "%02", "%03", "%04", "%05", "%06", "%07", "%08", "%09", "%0a", "%0b", "%0c", "%0d", "%0e", "%0f", "%10", "%11", "%12", "%13", "%14", "%15", "%16", "%17", "%18", "%19", "%1a", "%1b", "%1c", "%1d", "%1e", "%1f" }; internal HttpResponseHeader(int knownHeaderIndex, String value) { _unknownHeader = null; _knownHeaderIndex = knownHeaderIndex; // encode header value if if(HttpRuntime.EnableHeaderChecking) { _value = MaybeEncodeHeader(value); } else { _value = value; } } internal HttpResponseHeader(String unknownHeader, String value) { if(HttpRuntime.EnableHeaderChecking) { _unknownHeader = MaybeEncodeHeader(unknownHeader); _knownHeaderIndex = HttpWorkerRequest.GetKnownResponseHeaderIndex(_unknownHeader); _value = MaybeEncodeHeader(value); } else { _unknownHeader = unknownHeader; _knownHeaderIndex = HttpWorkerRequest.GetKnownResponseHeaderIndex(_unknownHeader); _value = value; } } internal virtual String Name { get { if (_unknownHeader != null) return _unknownHeader; else return HttpWorkerRequest.GetKnownResponseHeaderName(_knownHeaderIndex); } } internal String Value { get { return _value;} } internal void Send(HttpWorkerRequest wr) { if (_knownHeaderIndex >= 0) wr.SendKnownResponseHeader(_knownHeaderIndex, _value); else wr.SendUnknownResponseHeader(_unknownHeader, _value); } // Encode the header if it contains a CRLF pair // VSWhidbey 257154 internal static string MaybeEncodeHeader(string value) { string sanitizedHeader = value; if (NeedsEncoding(value)) { // DevDiv Bugs 146028 // Denial Of Service scenarios involving // control characters are possible. // We are encoding the following characters: // - All CTL characters except HT (horizontal tab) // - DEL character (\x7f) StringBuilder sb = new StringBuilder(); foreach (char c in value) { if (c < 32 && c != 9) { sb.Append(EncodingTable[c]); } else if (c == 127) { sb.Append("%7f"); } else { sb.Append(c); } } sanitizedHeader = sb.ToString(); } return sanitizedHeader; } // Returns true if the string contains a control character (other than horizontal tab) or the DEL character. internal static bool NeedsEncoding(string value) { foreach (char c in value) { if ((c < 32 && c != 9) || (c == 127)) { return true; } } return false; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- /* * Single http header representation * * Copyright (c) 1998 Microsoft Corporation */ namespace System.Web { using System.Collections; using System.Text; /* * Response header (either known or unknown) */ internal class HttpResponseHeader { private String _unknownHeader; private int _knownHeaderIndex; private String _value; private static readonly string[] EncodingTable = new string[] { "%00", "%01", "%02", "%03", "%04", "%05", "%06", "%07", "%08", "%09", "%0a", "%0b", "%0c", "%0d", "%0e", "%0f", "%10", "%11", "%12", "%13", "%14", "%15", "%16", "%17", "%18", "%19", "%1a", "%1b", "%1c", "%1d", "%1e", "%1f" }; internal HttpResponseHeader(int knownHeaderIndex, String value) { _unknownHeader = null; _knownHeaderIndex = knownHeaderIndex; // encode header value if if(HttpRuntime.EnableHeaderChecking) { _value = MaybeEncodeHeader(value); } else { _value = value; } } internal HttpResponseHeader(String unknownHeader, String value) { if(HttpRuntime.EnableHeaderChecking) { _unknownHeader = MaybeEncodeHeader(unknownHeader); _knownHeaderIndex = HttpWorkerRequest.GetKnownResponseHeaderIndex(_unknownHeader); _value = MaybeEncodeHeader(value); } else { _unknownHeader = unknownHeader; _knownHeaderIndex = HttpWorkerRequest.GetKnownResponseHeaderIndex(_unknownHeader); _value = value; } } internal virtual String Name { get { if (_unknownHeader != null) return _unknownHeader; else return HttpWorkerRequest.GetKnownResponseHeaderName(_knownHeaderIndex); } } internal String Value { get { return _value;} } internal void Send(HttpWorkerRequest wr) { if (_knownHeaderIndex >= 0) wr.SendKnownResponseHeader(_knownHeaderIndex, _value); else wr.SendUnknownResponseHeader(_unknownHeader, _value); } // Encode the header if it contains a CRLF pair // VSWhidbey 257154 internal static string MaybeEncodeHeader(string value) { string sanitizedHeader = value; if (NeedsEncoding(value)) { // DevDiv Bugs 146028 // Denial Of Service scenarios involving // control characters are possible. // We are encoding the following characters: // - All CTL characters except HT (horizontal tab) // - DEL character (\x7f) StringBuilder sb = new StringBuilder(); foreach (char c in value) { if (c < 32 && c != 9) { sb.Append(EncodingTable[c]); } else if (c == 127) { sb.Append("%7f"); } else { sb.Append(c); } } sanitizedHeader = sb.ToString(); } return sanitizedHeader; } // Returns true if the string contains a control character (other than horizontal tab) or the DEL character. internal static bool NeedsEncoding(string value) { foreach (char c in value) { if ((c < 32 && c != 9) || (c == 127)) { return true; } } return false; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- _NegoState.cs
- _UriSyntax.cs
- DateTimeOffsetAdapter.cs
- PrivacyNoticeBindingElementImporter.cs
- PointHitTestParameters.cs
- _NTAuthentication.cs
- RedistVersionInfo.cs
- Assert.cs
- Module.cs
- DesignerHelpers.cs
- OdbcParameter.cs
- ZipIOLocalFileBlock.cs
- DbParameterHelper.cs
- ImageIndexConverter.cs
- PasswordPropertyTextAttribute.cs
- VisualStateManager.cs
- TabPage.cs
- Quaternion.cs
- SystemIcmpV4Statistics.cs
- MemberInfoSerializationHolder.cs
- WindowsListViewItemStartMenu.cs
- CodeDOMProvider.cs
- ITextView.cs
- SerializationObjectManager.cs
- LinkArea.cs
- URLString.cs
- loginstatus.cs
- TraceUtility.cs
- XmlCompatibilityReader.cs
- InputProviderSite.cs
- DefaultHttpHandler.cs
- CodeArrayIndexerExpression.cs
- TraceXPathNavigator.cs
- StorageTypeMapping.cs
- ConfigurationSchemaErrors.cs
- ThreadStartException.cs
- Opcode.cs
- DesignerView.cs
- TextRunCacheImp.cs
- SafeProcessHandle.cs
- RadioButtonList.cs
- RewritingProcessor.cs
- Environment.cs
- NamespaceMapping.cs
- DataKeyArray.cs
- NavigatorOutput.cs
- XmlSchemaObjectTable.cs
- EntityDataSourceContextCreatingEventArgs.cs
- HostProtectionPermission.cs
- SevenBitStream.cs
- Point3D.cs
- Hashtable.cs
- TreeSet.cs
- TimeZone.cs
- StreamHelper.cs
- Camera.cs
- _emptywebproxy.cs
- DataSourceProvider.cs
- MenuBindingsEditor.cs
- ProgressChangedEventArgs.cs
- PriorityChain.cs
- PermissionRequestEvidence.cs
- odbcmetadatafactory.cs
- BamlReader.cs
- CryptoConfig.cs
- PopOutPanel.cs
- Nullable.cs
- MenuItemBindingCollection.cs
- LifetimeServices.cs
- ListDependantCardsRequest.cs
- MetadataSource.cs
- AssemblyGen.cs
- FormatVersion.cs
- SettingsProviderCollection.cs
- Emitter.cs
- SqlXml.cs
- ListBoxAutomationPeer.cs
- XmlAttributeOverrides.cs
- Keywords.cs
- SystemWebSectionGroup.cs
- OleDbDataReader.cs
- login.cs
- XsdValidatingReader.cs
- PerformanceCounterManager.cs
- ReadContentAsBinaryHelper.cs
- ConditionalAttribute.cs
- ManagedFilter.cs
- HttpCapabilitiesEvaluator.cs
- HMACSHA1.cs
- InfoCardKeyedHashAlgorithm.cs
- XmlNotation.cs
- User.cs
- StorageScalarPropertyMapping.cs
- PropertyGridCommands.cs
- FileEnumerator.cs
- OutputCacheProfile.cs
- NativeCppClassAttribute.cs
- AddressHeader.cs
- Domain.cs
- Regex.cs