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//------------------------------------------------------------------------------
// <copyright file="HttpHandlerAction.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.Configuration {
using System;
using System.Xml;
using System.Configuration;
using System.Collections.Specialized;
using System.Collections;
using System.IO;
using System.Text;
using System.Web.Util;
using System.Web.Compilation;
using System.Globalization;
using System.Security.Permissions;
public sealed class HttpHandlerAction : ConfigurationElement {
private static ConfigurationPropertyCollection _properties;
private static readonly ConfigurationProperty _propPath =
new ConfigurationProperty("path",
typeof(string),
null,
null,
StdValidatorsAndConverters.NonEmptyStringValidator,
ConfigurationPropertyOptions.IsRequired | ConfigurationPropertyOptions.IsKey);
private static readonly ConfigurationProperty _propVerb =
new ConfigurationProperty("verb",
typeof(string),
null,
null,
StdValidatorsAndConverters.NonEmptyStringValidator,
ConfigurationPropertyOptions.IsRequired | ConfigurationPropertyOptions.IsKey);
private static readonly ConfigurationProperty _propType =
new ConfigurationProperty("type",
typeof(string),
null,
null,
StdValidatorsAndConverters.NonEmptyStringValidator,
ConfigurationPropertyOptions.IsRequired | ConfigurationPropertyOptions.IsTypeStringTransformationRequired);
private static readonly ConfigurationProperty _propValidate =
new ConfigurationProperty("validate",
typeof(bool),
true,
ConfigurationPropertyOptions.None);
private Wildcard _requestType;
private WildcardUrl _path;
private Type _type;
private string typeCache = null;
static HttpHandlerAction() {
_properties = new ConfigurationPropertyCollection();
_properties.Add(_propPath);
_properties.Add(_propVerb);
_properties.Add(_propType);
_properties.Add(_propValidate);
}
public HttpHandlerAction(String path, String type, String verb)
: this(path, type, verb, true) {
}
public HttpHandlerAction(String path, String type, String verb, bool validate) {
Path = path;
Type = type;
Verb = verb;
Validate = validate;
}
internal HttpHandlerAction() {
}
internal string Key {
get {
return "verb=" + Verb + " | path=" + Path;
}
}
protected override ConfigurationPropertyCollection Properties {
get {
return _properties;
}
}
[ConfigurationProperty("path", IsRequired = true, IsKey = true)]
public string Path {
get {
return (string)base[_propPath];
}
set {
base[_propPath] = value;
}
}
[ConfigurationProperty("verb", IsRequired = true, IsKey = true)]
public string Verb {
get {
return (string)base[_propVerb];
}
set {
base[_propVerb] = value;
}
}
[ConfigurationProperty("type", IsRequired = true)]
public string Type {
get {
if (typeCache == null)
typeCache = (string)base[_propType];
return typeCache;
}
set {
base[_propType] = value;
typeCache = value;
}
}
internal Type TypeInternal {
get {
return _type;
}
}
[ConfigurationProperty("validate", DefaultValue = true)]
public bool Validate {
get {
return (bool)base[_propValidate];
}
set {
base[_propValidate] = value;
}
}
// Dev10 732000: In a homogenous AppDomain, it is necessary to assert FileIoPermission to load types outside
// the AppDomain's grant set.
[FileIOPermission(SecurityAction.Assert, AllFiles = FileIOPermissionAccess.Read | FileIOPermissionAccess.PathDiscovery)]
internal void InitValidateInternal() {
string verb = Verb;
// Remove all spaces from verbs before wildcard parsing.
// - We don't want get in "POST, GET" to be parsed into " GET".
verb = verb.Replace(" ", String.Empty); // replace all " " with String.Empty in requestType
_requestType = new Wildcard(verb, false); // case-sensitive wildcard
_path = new WildcardUrl(Path, true); // case-insensitive URL wildcard
// if validate="false" is marked on a handler, then the type isn't created until a request
// is actually made that requires the handler. This (1) allows us to list handlers that
// aren't present without throwing errors at init time and (2) speeds up init by avoiding
// loading types until they are needed.
if (!Validate) {
_type = null;
}
else {
_type = ConfigUtil.GetType(Type, "type", this);
if (!ConfigUtil.IsTypeHandlerOrFactory(_type)) {
throw new ConfigurationErrorsException(
SR.GetString(SR.Type_not_factory_or_handler, Type),
ElementInformation.Source, ElementInformation.LineNumber);
}
}
}
internal bool IsMatch(String verb, VirtualPath path) {
return (_path.IsSuffix(path.VirtualPathString) && _requestType.IsMatch(verb));
}
internal Object Create() {
// HACKHACK: for now, let uncreatable types through and error later (for .soap factory)
// This design should change - developers will want to know immediately
// when they misspell a type
if (_type == null) {
Type t = ConfigUtil.GetType(Type, "type", this);
// throw for bad types in deferred case
if (!ConfigUtil.IsTypeHandlerOrFactory(t)) {
throw new ConfigurationErrorsException(
SR.GetString(SR.Type_not_factory_or_handler, Type),
ElementInformation.Source, ElementInformation.LineNumber);
}
_type = t;
}
return HttpRuntime.CreateNonPublicInstance(_type);
}
}
}
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