WasHttpHandlersInstallComponent.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / Tools / xws_reg / System / ServiceModel / Install / Configuration / WasHttpHandlersInstallComponent.cs / 1 / WasHttpHandlersInstallComponent.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------
namespace System.ServiceModel.Install.Configuration
{ 
    using WebAdmin = Microsoft.Web.Administration;
    using System; 
    using System.Collections; 
    using System.Collections.Generic;
    using System.Configuration; 
    using System.Globalization;
    using System.Text;
    using System.Web.Configuration;
 
    internal class WasHttpHandlersInstallComponent : ServiceModelInstallComponent
    { 
        IIS7ConfigurationLoader configLoader; 
        string displayString;
        ConfigElementInfo integratedHttpHandler; 
        List isapiHttpHandlers;

        WasHttpHandlersInstallComponent(IIS7ConfigurationLoader configLoader)
        { 
            if (!IisHelper.ShouldInstallWas || !IisHelper.ShouldInstallApplicationHost)
            { 
                throw new WasNotInstalledException(SR.GetString(SR.WasNotInstalled, SR.GetString(SR.HttpHandlersComponentNameWAS))); 
            }
            else  if (!IisHelper.ShouldInstallIis) 
            {
                throw new IisNotInstalledException(SR.GetString(SR.IisNotInstalled, SR.GetString(SR.HttpHandlersComponentNameWAS)));
            }
 
            this.configLoader = configLoader;
            CreateDefaultHttpHandlers(); 
        } 

        void CreateDefaultHttpHandlers() 
        {
            // Integrated HTTP Handler
            this.integratedHttpHandler = new ConfigElementInfo();
            this.integratedHttpHandler.RawAttributes.Add(ServiceModelInstallStrings.Name, ServiceModelInstallStrings.IIS7IntegratedHttpHandlerName); 
            this.integratedHttpHandler.RawAttributes.Add(ServiceModelInstallStrings.Path, ServiceModelInstallStrings.HttpHandlersPath);
            this.integratedHttpHandler.RawAttributes.Add(ServiceModelInstallStrings.Verb, ServiceModelInstallStrings.HttpHandlersVerb); 
            this.integratedHttpHandler.RawAttributes.Add(ServiceModelInstallStrings.Type, ServiceModelInstallStrings.HttpHandlersType); 
            this.integratedHttpHandler.RawAttributes.Add(ServiceModelInstallStrings.PreCondition, ServiceModelInstallStrings.IIS7IntegratedMode);
 
            // ISAPI HTTP Handlers
            this.isapiHttpHandlers = new List();

            // ISAPI 32-bit Handler 
            ConfigElementInfo handler = new ConfigElementInfo();
            handler.RawAttributes.Add(ServiceModelInstallStrings.Name, ServiceModelInstallStrings.IIS7IsapiHttpHandlerName); 
            handler.RawAttributes.Add(ServiceModelInstallStrings.Path, ServiceModelInstallStrings.HttpHandlersPath); 
            handler.RawAttributes.Add(ServiceModelInstallStrings.Verb, ServiceModelInstallStrings.HttpHandlersVerb);
            handler.RawAttributes.Add(ServiceModelInstallStrings.Modules, ServiceModelInstallStrings.IIS7IsapiModule); 

            if (!InstallHelper.Is64BitMachine())
            {
                handler.RawAttributes.Add(ServiceModelInstallStrings.ScriptProcessor, InstallHelper.GetNativeIsapiFilter(true)); 
            }
            else 
            { 
                handler.RawAttributes.Add(ServiceModelInstallStrings.ScriptProcessor, InstallHelper.GetWow64IsapiFilter(true));
            } 
            handler.RawAttributes.Add(ServiceModelInstallStrings.PreCondition, ServiceModelInstallStrings.IIS7ClassicModePreCondition);
            this.isapiHttpHandlers.Add(handler);

            // ISAPI 64-bit Handler 
            if (InstallHelper.Is64BitMachine())
            { 
                handler = new ConfigElementInfo(); 
                handler.RawAttributes.Add(ServiceModelInstallStrings.Name, ServiceModelInstallStrings.IIS7Isapi64HttpHandlerName);
                handler.RawAttributes.Add(ServiceModelInstallStrings.Path, ServiceModelInstallStrings.HttpHandlersPath); 
                handler.RawAttributes.Add(ServiceModelInstallStrings.Verb, ServiceModelInstallStrings.HttpHandlersVerb);
                handler.RawAttributes.Add(ServiceModelInstallStrings.Modules, ServiceModelInstallStrings.IIS7IsapiModule);
                handler.RawAttributes.Add(ServiceModelInstallStrings.ScriptProcessor, InstallHelper.GetNativeIsapiFilter(true));
                handler.RawAttributes.Add(ServiceModelInstallStrings.PreCondition, ServiceModelInstallStrings.IIS7ClassicMode64PreCondition); 
                this.isapiHttpHandlers.Add(handler);
            } 
        } 

        internal override string DisplayName 
        {
            get {return this.displayString; }
        }
 
        protected override string InstallActionMessage
        { 
            get {return SR.GetString(SR.HttpHandlersComponentInstall, ServiceModelInstallStrings.IIS7IntegratedHttpHandlerName); } 
        }
 
        internal override string[] InstalledVersions
        {
            get
            { 
                List installedVersions = new List();
 
                if (null != this.configLoader.HttpHandlersSection) 
                {
                    WebAdmin.ConfigurationElement httpHandler = this.GetHttpHandlerFromCollection(); 
                    Type type = HttpHandlersInstallComponent.GetHandlerType((string)httpHandler.GetAttribute(ServiceModelInstallStrings.Type).Value);

                    string versionString = null;
                    if (type != null) 
                    {
                        versionString = InstallHelper.GetVersionStringFromTypeString(type.AssemblyQualifiedName); 
                    } 
                    else
                    { 
                        versionString = (string)httpHandler.GetAttribute(ServiceModelInstallStrings.Type).Value;
                    }

                    string preCondition = String.Empty; 

                    if(null != httpHandler.GetAttribute(ServiceModelInstallStrings.PreCondition)) 
                    { 
                        preCondition = (string)httpHandler.GetAttribute(ServiceModelInstallStrings.PreCondition).Value;
                    } 

                    versionString = string.Format(CultureInfo.InvariantCulture, "{0} : {1} ({2})",
                        (string)httpHandler.GetAttribute(ServiceModelInstallStrings.Path).Value,
                        versionString, 
                        preCondition);
 
                    if (!installedVersions.Contains(versionString)) 
                    {
                        installedVersions.Add(versionString); 
                    }
                }

                return installedVersions.ToArray(); 
            }
        } 
 
        internal override bool IsInstalled
        { 
            get
            {
                bool isInstalled = false;
                WebAdmin.ConfigurationElement httpHandler = this.GetHttpHandlerFromCollection(); 

                if (null != httpHandler && 
                    null != httpHandler.GetAttribute(ServiceModelInstallStrings.Type) && 
                    !((string)httpHandler.GetAttribute(ServiceModelInstallStrings.Type).Value).StartsWith(ServiceModelInstallStrings.HttpForbiddenHandlerType, StringComparison.OrdinalIgnoreCase) &&
                    !((string)httpHandler.GetAttribute(ServiceModelInstallStrings.Type).Value).StartsWith(ServiceModelInstallStrings.HttpNotFoundHandlerType, StringComparison.OrdinalIgnoreCase)) 
                {
                    isInstalled = true;
                }
 
                return isInstalled;
            } 
        } 

        protected override string ReinstallActionMessage 
        {
            get {return SR.GetString(SR.HttpHandlersComponentReinstall, ServiceModelInstallStrings.IIS7IntegratedHttpHandlerName); }
        }
 
        protected override string UninstallActionMessage
        { 
            get {return SR.GetString(SR.HttpHandlersComponentUninstall, ServiceModelInstallStrings.IIS7IntegratedHttpHandlerName); } 
        }
 
        internal static WasHttpHandlersInstallComponent CreateNativeWasHttpHandlersInstallComponent()
        {
            WasHttpHandlersInstallComponent wasHttpHandlersInstallComponent = new WasHttpHandlersInstallComponent(new IIS7ConfigurationLoader(new NativeConfigurationLoader()));
            wasHttpHandlersInstallComponent.displayString = SR.GetString(SR.HttpHandlersComponentNameWAS); 
            return wasHttpHandlersInstallComponent;
        } 
 
        WebAdmin.ConfigurationElement GetHttpHandlerFromCollection()
        { 
            WebAdmin.ConfigurationElement httpHandler = null;

            if (null != this.configLoader.HttpHandlersSection)
            { 
                WebAdmin.ConfigurationElementCollection httpHandlersCollection = this.configLoader.HttpHandlersSection.GetCollection();
                // HttpHandlersCollection does not have a unique key, thus need to enumerate collection rather than check for key 
                foreach (WebAdmin.ConfigurationElement element in httpHandlersCollection) 
                {
                    if (((string)element.GetAttribute(ServiceModelInstallStrings.Name).Value).Equals(ServiceModelInstallStrings.IIS7IntegratedHttpHandlerName, StringComparison.OrdinalIgnoreCase)) 
                    {
                        httpHandler = element;
                        break;
                    } 
                }
            } 
 
            return httpHandler;
        } 

        internal override void Install(OutputLevel outputLevel)
        {
            if (!this.IsInstalled) 
            {
                if (null != this.configLoader.HttpHandlersSection) 
                { 
                    AddSvcHandlers();
 
                    configLoader.Save();
                }
                else
                { 
                    throw new InvalidOperationException(SR.GetString(SR.IIS7ConfigurationSectionNotFound,
                        this.configLoader.HttpHandlersSectionPath)); 
                } 
            }
            else 
            {
                EventLogger.LogWarning(SR.GetString(SR.HttpHandlersComponentAlreadyExists, ServiceModelInstallStrings.IIS7IntegratedHttpHandlerName), (OutputLevel.Verbose == outputLevel));
            }
        } 

        void CopyHandlerAttributes(WebAdmin.ConfigurationElement element, IDictionary attributes) 
        { 
            foreach (KeyValuePair attribute in attributes)
            { 
                element.GetAttribute(attribute.Key).Value = attribute.Value;
            }
        }
 
        void AddSvcHandlers()
        { 
            WebAdmin.ConfigurationElementCollection httpHandlersCollection = this.configLoader.HttpHandlersSection.GetCollection(); 
            List oldSvcHandlers = new List();
 
            for (int i = 0; i < httpHandlersCollection.Count; i++)
            {
                if (string.Compare((string)httpHandlersCollection[i].GetAttribute(ServiceModelInstallStrings.Path).Value,
                    ServiceModelInstallStrings.HttpHandlersPath, StringComparison.OrdinalIgnoreCase) == 0) 
                {
                    oldSvcHandlers.Add(httpHandlersCollection[i]); 
                } 
            }
 
            // Remove existing svc handlers
            for (int i = 0; i < oldSvcHandlers.Count; i++)
            {
                httpHandlersCollection.Remove(oldSvcHandlers[i]); 
            }
 
            // Add our handler before the first wildcard handler 
            WebAdmin.ConfigurationElement newHandlerAction = httpHandlersCollection.CreateElement();
            CopyHandlerAttributes(newHandlerAction, integratedHttpHandler.RawAttributes); 

            // Always install to the top of the config so that we are before wildcard "*" handlers.
            httpHandlersCollection.AddAt(0, newHandlerAction);
            for (int i = 0; i < isapiHttpHandlers.Count; i++) 
            {
                newHandlerAction = httpHandlersCollection.CreateElement(); 
                CopyHandlerAttributes(newHandlerAction, isapiHttpHandlers[i].RawAttributes); 
                httpHandlersCollection.AddAt(i + 1, newHandlerAction);
            } 
        }

        internal override void Uninstall(OutputLevel outputLevel)
        { 
            if (this.IsInstalled)
            { 
                // Remove the httpHandlers node 
                WebAdmin.ConfigurationElement httpHandler = this.GetHttpHandlerFromCollection();
                httpHandler.GetAttribute(ServiceModelInstallStrings.Type).Value = ServiceModelInstallStrings.HttpForbiddenHandlerType; 
                configLoader.Save();
            }
            else
            { 
                EventLogger.LogWarning(SR.GetString(SR.HttpHandlersComponentNotInstalled, ServiceModelInstallStrings.IIS7IntegratedHttpHandlerName), (OutputLevel.Verbose == outputLevel));
            } 
        } 

        internal override InstallationState VerifyInstall() 
        {
            InstallationState installState = InstallationState.Unknown;
            if (this.IsInstalled)
            { 
                WebAdmin.ConfigurationElement httpHandler = this.GetHttpHandlerFromCollection();
 
                if (((string)httpHandler.GetAttribute(ServiceModelInstallStrings.Path).Value).Equals(ServiceModelInstallStrings.HttpHandlersPath, StringComparison.OrdinalIgnoreCase) && 
                    ((string)httpHandler.GetAttribute(ServiceModelInstallStrings.Verb).Value).Equals(ServiceModelInstallStrings.HttpHandlersVerb, StringComparison.OrdinalIgnoreCase) &&
                    ((string)httpHandler.GetAttribute(ServiceModelInstallStrings.Type).Value).Equals(ServiceModelInstallStrings.HttpHandlersType, StringComparison.OrdinalIgnoreCase) && 
                    null != httpHandler.GetAttribute(ServiceModelInstallStrings.PreCondition) &&
                    ((string)httpHandler.GetAttribute(ServiceModelInstallStrings.PreCondition).Value).Equals(ServiceModelInstallStrings.IIS7IntegratedMode, StringComparison.OrdinalIgnoreCase))
                {
                    installState = InstallationState.InstalledDefaults; 
                }
                else 
                { 
                    installState = InstallationState.InstalledCustom;
                } 
            }
            else
            {
                installState = InstallationState.NotInstalled; 
            }
 
            return installState; 
        }
 
        class ConfigElementInfo
        {
            IDictionary rawAttributes;
            public ConfigElementInfo() 
            {
                rawAttributes = new Dictionary(); 
            } 

            public IDictionary RawAttributes 
            {
                get
                {
                    return this.rawAttributes; 
                }
            } 
        } 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

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