/tags/beta-1.0.2/Server/PHPService.cs

//-----------------------------------------------------------------------

// <copyright>

// Copyright (C) Ruslan Yakushev for the PHP Manager for IIS project.

//

// This file is subject to the terms and conditions of the Microsoft Public License (MS-PL).

// See http://www.microsoft.com/opensource/licenses.mspx#Ms-PL for more details.

// </copyright>

//----------------------------------------------------------------------- 



using System;

using System.Collections;

using System.IO;

using Microsoft.Web.Administration;

using Microsoft.Web.Management.Server;

using Web.Management.PHP.Config;



namespace Web.Management.PHP

{



    internal sealed class PHPService : ModuleService

    {



#if DEBUG

        private const bool Passthrough = false;

#else

        private const bool Passthrough = true;

#endif



        [ModuleServiceMethod(PassThrough = Passthrough)]

        public void AddOrUpdateSettings(object settingsData)

        {

            EnsureServerConnection();



            PHPIniFile file = GetPHPIniFile();



            RemoteObjectCollection<PHPIniSetting> settings = new RemoteObjectCollection<PHPIniSetting>();

            ((IRemoteObject)settings).SetData(settingsData);



            file.AddOrUpdateSettings(settings);

            file.Save(file.FileName);

        }



        [ModuleServiceMethod(PassThrough = Passthrough)]

        public string CreatePHPInfo(string siteName)

        {

            EnsureServerOrSiteConnection();



            if (String.IsNullOrEmpty(siteName))

            {

                throw new InvalidOperationException();

            }



            Site site = ManagementUnit.ReadOnlyServerManager.Sites[siteName];

            if (site == null)

            {

                throw new InvalidOperationException();

            }



            Application app = site.Applications["/"];

            if (app == null)

            {

                throw new InvalidOperationException();

            }



            VirtualDirectory vdir = app.VirtualDirectories["/"];

            if (vdir == null)

            {

                throw new InvalidOperationException();

            }



            string randomString = Path.GetRandomFileName();

            string fileName = randomString.Substring(0, randomString.IndexOf('.')) + ".php";

            string filePath = Path.Combine(Environment.ExpandEnvironmentVariables(vdir.PhysicalPath), fileName);



            try

            {

                File.WriteAllText(filePath, @"<?php phpinfo(); ?>");

            }

            catch (UnauthorizedAccessException)

            {

                RaiseException("ErrorCannotCreatePHPInfo");

            }



            return filePath;

        }



        private void EnsureServerConnection()

        {

            if (ManagementUnit.Scope != ManagementScope.Server)

            {

                throw new UnauthorizedAccessException();

            }

        }



        private void EnsureServerOrSiteConnection()

        {

            if (ManagementUnit.Scope != ManagementScope.Server && ManagementUnit.Scope != ManagementScope.Site)

            {

                throw new UnauthorizedAccessException();

            }

        }



        [ModuleServiceMethod(PassThrough = Passthrough)]

        public ArrayList GetAllPHPVersions()

        {

            EnsureServerOrSiteConnection();



            PHPConfigHelper phpConfig = new PHPConfigHelper(ManagementUnit);

            ArrayList versions = phpConfig.GetAllPHPVersions();

            return versions;

        }



        [ModuleServiceMethod(PassThrough = Passthrough)]

        public object GetPHPConfigInfo()

        {

            EnsureServerOrSiteConnection();



            PHPConfigHelper phpConfig = new PHPConfigHelper(ManagementUnit);

            PHPConfigInfo result = phpConfig.GetPHPConfigInfo();



            return (result != null) ? result.GetData() : null;

        }



        private PHPIniFile GetPHPIniFile()

        {

            PHPConfigHelper phpConfig = new PHPConfigHelper(ManagementUnit);

            string phpiniPath = phpConfig.GetPHPIniPath();



            if (String.IsNullOrEmpty(phpiniPath))

            {

                RaiseException("ErrorPHPIniNotFound");

            }



            PHPIniFile file = new PHPIniFile(phpiniPath);

            file.Parse();



            return file;

        }



        [ModuleServiceMethod(PassThrough = Passthrough)]

        public object GetPHPIniPhysicalPath()

        {

            if (!ManagementUnit.Context.IsLocalConnection)

            {

                return null;

            }



            PHPConfigHelper phpConfig = new PHPConfigHelper(ManagementUnit);

            string phpiniPath = phpConfig.GetPHPIniPath();



            if (String.IsNullOrEmpty(phpiniPath))

            {

                RaiseException("ErrorPHPIniNotFound");

            }



            return phpiniPath;

        }



        [ModuleServiceMethod(PassThrough = Passthrough)]

        public object GetPHPIniSettings()

        {

            EnsureServerOrSiteConnection();



            PHPIniFile file = GetPHPIniFile();



            return file.GetData();

        }



        [ModuleServiceMethod(PassThrough = Passthrough)]

        public ArrayList GetSiteBindings(string siteName)

        {

            EnsureServerOrSiteConnection();



            if (String.IsNullOrEmpty(siteName))

            {

                throw new InvalidOperationException();

            }



            Site site = ManagementUnit.ReadOnlyServerManager.Sites[siteName];

            if (site == null)

            {

                throw new InvalidOperationException();

            }



            ArrayList list = new ArrayList();

            foreach (Binding binding in site.Bindings)

            {

                string protocol = binding.Protocol;

                if (String.Equals(protocol, Uri.UriSchemeHttp, StringComparison.OrdinalIgnoreCase) ||

                    String.Equals(protocol, Uri.UriSchemeHttps, StringComparison.OrdinalIgnoreCase))

                {

                    list.Add(new string[] { protocol, binding.BindingInformation });

                }

            }



            return list;

        }



        [ModuleServiceMethod(PassThrough = Passthrough)]

        public ArrayList GetSites()

        {

            EnsureServerConnection();



            SiteCollection siteCollection = ManagementUnit.ReadOnlyServerManager.Sites;

            ArrayList sites = new ArrayList(siteCollection.Count);

            foreach (Site site in siteCollection)

            {

                sites.Add(site.Name);

            }



            return sites;

        }



        [ModuleServiceMethod(PassThrough = Passthrough)]

        public void RegisterPHPWithIIS(string phpExePath)

        {

            EnsureServerConnection();



            try

            {

                PHPConfigHelper phpConfig = new PHPConfigHelper(ManagementUnit);

                phpConfig.RegisterPHPWithIIS(phpExePath);

            }

            catch (ArgumentException)

            {

                RaiseException("ErrorInvalidPHPExecutablePath");

            }

            catch (FileNotFoundException)

            {

                RaiseException("ErrorNoPHPFilesInDirectory");

            }

            catch (DirectoryNotFoundException)

            {

                RaiseException("ErrorNoExtDirectory");

            }

        }



        [ModuleServiceMethod(PassThrough = Passthrough)]

        public void RemovePHPInfo(string filePath)

        {

            EnsureServerOrSiteConnection();

            

            if (!File.Exists(filePath)) {

                return;

            }



            File.Delete(filePath);

        }



        [ModuleServiceMethod(PassThrough = Passthrough)]

        public void RemovePHPIniSetting(object settingData)

        {

            EnsureServerConnection();



            PHPIniFile file = GetPHPIniFile();



            PHPIniSetting setting = new PHPIniSetting();

            setting.SetData(settingData);



            if (file.Remove(setting))

            {

                file.Save(file.FileName);

            }

        }



        [ModuleServiceMethod(PassThrough = Passthrough)]

        public void SelectPHPVersion(string name)

        {

            EnsureServerOrSiteConnection();

            

            PHPConfigHelper phpConfig = new PHPConfigHelper(ManagementUnit);

            phpConfig.SelectPHPHandler(name);

        }



        [ModuleServiceMethod(PassThrough = Passthrough)]

        public void UpdatePHPExtensions(object extensionsData)

        {

            EnsureServerConnection();



            PHPIniFile file = GetPHPIniFile();



            RemoteObjectCollection<PHPIniExtension> extensions = new RemoteObjectCollection<PHPIniExtension>();

            ((IRemoteObject)extensions).SetData(extensionsData);



            file.UpdateExtensions(extensions);

            file.Save(file.FileName);

        }



    }

}