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Initial project's source code check-in.

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ptsurbeleu 2011-07-13 16:07:32 -07:00
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WebsitePanel/Sources/WebsitePanel.Providers.Web.IIS70/Handlers/HandlersModuleService.cs Normal file
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// Copyright (c) 2011, Outercurve Foundation.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:
//
// - Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// - Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// - Neither the name of the Outercurve Foundation nor the names of its
// contributors may be used to endorse or promote products derived from this
// software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
namespace WebsitePanel.Providers.Web.Handlers
{
using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.Web.Administration;
using WebsitePanel.Providers.Web.Iis.Common;
using Microsoft.Web.Management.Server;
using WebsitePanel.Providers.Utils;
using WebsitePanel.Server.Utils;
internal sealed class HandlersModuleService : ConfigurationModuleService
{
public void AddFastCgiApplication(string processorPath, string arguments)
{
//
using (var srvman = GetServerManager())
{
var config = srvman.GetApplicationHostConfiguration();
//
FastCgiSection section = (FastCgiSection)config.GetSection(Constants.FactCgiSection, typeof(FastCgiSection));
FastCgiApplicationCollection applications = section.Applications;
//
if (applications[processorPath, arguments] == null)
{
applications.Add(processorPath, arguments);
}
//
srvman.CommitChanges();
}
}
public void AddIsapiAndCgiRestriction(string processorPath, bool allowed)
{
//
using (var srvman = GetServerManager())
{
var config = srvman.GetApplicationHostConfiguration();
//
IsapiCgiRestrictionSection section = (IsapiCgiRestrictionSection)config.GetSection(
"system.webServer/security/isapiCgiRestriction", typeof(IsapiCgiRestrictionSection));
//
IsapiCgiRestrictionCollection isapiCgiRestrictions = section.IsapiCgiRestrictions;
//
if (isapiCgiRestrictions[processorPath] == null)
{
isapiCgiRestrictions.Add(processorPath, true);
}
else
{
isapiCgiRestrictions[processorPath].Allowed = true;
}
//
srvman.CommitChanges();
}
}
public void SetHandlersAccessPolicy(string fqPath, HandlerAccessPolicy policy)
{
//
using (var srvman = GetServerManager())
{
var config = srvman.GetWebConfiguration(fqPath);
//
HandlersSection section = (HandlersSection)config.GetSection(Constants.HandlersSection, typeof(HandlersSection));
//
section.AccessPolicy = policy;
//
srvman.CommitChanges();
}
}
public HandlerAccessPolicy GetHandlersAccessPolicy(string fqPath)
{
//
using (var srvman = GetServerManager())
{
var config = srvman.GetWebConfiguration(fqPath);
//
HandlersSection section = (HandlersSection)config.GetSection(Constants.HandlersSection, typeof(HandlersSection));
//
return section.AccessPolicy;
}
}
internal ConfigurationElementCollection GetHandlers(WebVirtualDirectory virtualDir)
{
//
using (var srvman = GetServerManager())
{
var config = srvman.GetWebConfiguration(virtualDir.FullQualifiedPath);
//
var section = config.GetSection(Constants.HandlersSection);
//
return section.GetCollection();
}
}
/// <summary>
/// Adds non existent script maps.
/// </summary>
/// <param name="installedHandlers">Already installed scrip maps.</param>
/// <param name="extensions">Extensions to check.</param>
/// <param name="processor">Extensions processor.</param>
internal void AddScriptMaps(WebVirtualDirectory virtualDir,
IEnumerable<string> extensions, string processor, string scName, string scModule)
{
// Empty processor is out of interest...
if (String.IsNullOrEmpty(processor))
return;
// This section helps to overcome "legacy" issues
using (var srvman = GetServerManager())
{
var config = srvman.GetWebConfiguration(virtualDir.FullQualifiedPath);
//
var handlersSection = config.GetSection(Constants.HandlersSection);
// Do a complete section cleanup
handlersSection.RevertToParent();
//
srvman.CommitChanges();
}
//
using (var srvman = GetServerManager())
{
var config = srvman.GetApplicationHostConfiguration();
//
var handlersSection = config.GetSection(Constants.HandlersSection, virtualDir.FullQualifiedPath);
var handlersCollection = handlersSection.GetCollection();
// Iterate over extensions in order to setup non-existent handlers
foreach (string extension in extensions)
{
var extParts = extension.Split(',');
var path = extParts[0];
var existentHandler = FindHandlerAction(handlersCollection, path, processor);
// No need to add an existing handler
if (existentHandler != null)
continue;
// Create a new handler
var handler = handlersCollection.CreateElement();
// build script mapping name
var scriptMappingName = String.Format(scName, path);
//
handler["name"] = scriptMappingName;
handler["path"] = "*" + path;
handler["verb"] = "GET,HEAD,POST,DEBUG";
handler["scriptProcessor"] = processor;
handler["resourceType"] = ResourceType.File;
handler["modules"] = scModule;
// add handler
handlersCollection.AddAt(0, handler);
}
//
srvman.CommitChanges();
}
// Allow a script module...
switch (scModule)
{
case Constants.CgiModule: // Allow either ISAPI or CGI module
case Constants.IsapiModule:
AddIsapiAndCgiRestriction(processor, true);
break;
case Constants.FastCgiModule: // Allow FastCGI module
AddFastCgiApplication(processor, String.Empty);
break;
default:
Log.WriteWarning("Unknown Script Module has been requested to allow: {0};", scModule);
break;
}
}
internal void InheritScriptMapsFromParent(string fqPath)
{
if (String.IsNullOrEmpty(fqPath))
return;
//
using (var srvman = GetServerManager())
{
var config = srvman.GetApplicationHostConfiguration();
//
var handlersSection = config.GetSection(Constants.HandlersSection, fqPath);
//
handlersSection.RevertToParent();
//
srvman.CommitChanges();
}
}
internal void RemoveScriptMaps(WebVirtualDirectory virtualDir, IEnumerable<string> extensions, string processor)
{
if (String.IsNullOrEmpty(processor))
return;
//
if (virtualDir == null)
return;
//
using (var srvman = GetServerManager())
{
var config = srvman.GetApplicationHostConfiguration();
//
var handlersSection = config.GetSection(Constants.HandlersSection, virtualDir.FullQualifiedPath);
var handlersCollection = handlersSection.GetCollection();
//
foreach (string extension in extensions)
{
var extParts = extension.Split(',');
var path = extParts[0];
var existentHandler = FindHandlerAction(handlersCollection, path, processor);
// remove handler if exists
if (existentHandler != null)
handlersCollection.Remove(existentHandler);
}
//
srvman.CommitChanges();
}
}
private ConfigurationElement FindHandlerAction(ConfigurationElementCollection handlers, string path, string processor)
{
foreach (ConfigurationElement action in handlers)
{
// match handler path mapping
bool pathMatches = (String.Compare((string)action["path"], path, true) == 0)
|| (String.Compare((string)action["path"], String.Format("*{0}", path), true) == 0);
// match handler processor
bool processorMatches = (String.Compare(FileUtils.EvaluateSystemVariables((string)action["scriptProcessor"]),
FileUtils.EvaluateSystemVariables(processor), true) == 0);
// return handler action when match is exact
if (pathMatches && processorMatches)
return action;
}
//
return null;
}
}
}