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//
// System.Web.Configuration.CustomErrorsConfigHandler
//
// Authors:
// Gonzalo Paniagua Javier (gonzalo@ximian.com)
//
// (C) 2003 Novell, Inc. (http://www.novell.com)
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections;
using System.Configuration;
using System.IO;
using System.Xml;
namespace System.Web.Configuration
{
enum CustomErrorMode
{
RemoteOnly,
On,
Off
}
class CustomErrorsConfig
{
string defaultRedirect;
CustomErrorMode mode;
Hashtable redirects;
string configFilePath;
public CustomErrorsConfig (object parent, object context)
{
if (parent != null) {
CustomErrorsConfig p = (CustomErrorsConfig) parent;
mode = p.mode;
defaultRedirect = p.defaultRedirect;
if (p.redirects != null && p.redirects.Count > 0) {
redirects = new Hashtable ();
foreach (DictionaryEntry entry in p.redirects)
redirects [entry.Key] = entry.Value;
}
}
configFilePath = Path.GetDirectoryName ((string) context);
}
public string DefaultRedirect {
get { return defaultRedirect; }
set { defaultRedirect = value; }
}
public CustomErrorMode Mode {
get { return mode; }
set { mode = value; }
}
public string ConfigFilePath {
get { return configFilePath; }
}
public string this [int statusCode] {
get {
if (redirects == null)
return null;
return (string) redirects [statusCode];
}
set {
if (redirects == null)
redirects = new Hashtable ();
// Overrides any previous setting for statusCode even in the same file
redirects [statusCode] = value;
}
}
}
class CustomErrorsConfigHandler : IConfigurationSectionHandler
{
public object Create (object parent, object context, XmlNode section)
{
CustomErrorsConfig config = new CustomErrorsConfig (parent, context);
string defaultRedirect = AttValue ("defaultRedirect", section);
if (defaultRedirect != null)
config.DefaultRedirect = defaultRedirect;
string mode = AttValue ("mode", section);
if (mode != null) {
switch (mode) {
case "On":
config.Mode = CustomErrorMode.On;
break;
case "Off":
config.Mode = CustomErrorMode.Off;
break;
case "RemoteOnly":
config.Mode = CustomErrorMode.RemoteOnly;
break;
default:
ThrowException ("Invalid value for 'mode': " + mode, section);
break;
}
}
if (section.Attributes != null && section.Attributes.Count != 0)
ThrowException ("Unrecognized attribute", section);
if (!section.HasChildNodes)
return config;
XmlNodeList children = section.ChildNodes;
foreach (XmlNode child in children) {
XmlNodeType ntype = child.NodeType;
if (ntype == XmlNodeType.Whitespace || ntype == XmlNodeType.Comment)
continue;
if (ntype != XmlNodeType.Element)
ThrowException ("Only elements allowed", child);
if (child.Name != "error")
ThrowException ("Unrecognized node: " + child.Name, child);
string statusCode = AttValue ("statusCode", child, false, false);
string redirect = AttValue ("redirect", child, false, false);
int code = 0;
try {
code = Int32.Parse (statusCode);
} catch {
ThrowException ("Unable to parse 'statusCode': " + statusCode, child);
}
if (code < 100 || code >= 1000)
ThrowException ("Invalid value for 'statusCode': " + code, child);
config [code] = redirect;
}
return config;
}
// To save some typing...
static string AttValue (string name, XmlNode node, bool optional, bool allowEmpty)
{
return HandlersUtil.ExtractAttributeValue (name, node, optional, allowEmpty);
}
static string AttValue (string name, XmlNode node)
{
return HandlersUtil.ExtractAttributeValue (name, node, true);
}
static void ThrowException (string message, XmlNode node)
{
HandlersUtil.ThrowException (message, node);
}
//
}
}
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