Umbraco-CMS/umbraco/presentation/install/steps/validatePermissions.ascx.cs

using System;
using System.IO;
using System.Web.UI;

namespace umbraco.presentation.install.steps
{
    /// <summary>
    ///		Summary description for validatePermissions.
    /// </summary>
    public partial class validatePermissions : UserControl
    {
        private string[] permissionDirs = {"css", "config", "data", "media", "masterpages", "xslt"};
        private string[] permissionFiles = { "data/packages/installed/installedPackages.config", "data/packages/created/createdPackages.config" };
        private string[] packagesPermissionsDirs = {"bin", "umbraco", "usercontrols", "data/packages"};

        protected void Page_Load(object sender, EventArgs e)
        {
            bool permissionsOK = true;
            bool packageOK = true;
            bool foldersOK = true;
            bool cacheOK = true;
            string valResult = "";

            // Test default dir permissions
            foreach (string dir in permissionDirs)
            {
                bool result =
                    SaveAndDeleteFile(Server.MapPath(GlobalSettings.Path + "/../" + dir) +
                                      "/configWizardPermissionTest.txt");
                if (!result)
                {
                    permissionsOK = false;
                    permSummary.Text += "<li>Directory: ./" + dir + "</li>";
                }

                // Print
                valResult += " ./" + dir + " : " + successOrFailure(result) + "!<br/>";
            }

            // Test default file permissions
            foreach (string file in permissionFiles)
            {
                bool result = OpenFileForWrite(Server.MapPath(GlobalSettings.Path + "/../" + file));
                if (!result)
                {
                    permissionsOK = false;
                    permSummary.Text += "<li>File: ./" + file + "</li>";
                }

                // Print
                valResult += " ./" + file + " : " + successOrFailure(result) + "!<br/>";
            }
            permissionResults.Text = valResult;

            // Test package dir permissions
            string packageResult = "";
            foreach (string dir in packagesPermissionsDirs)
            {
                bool result =
                    SaveAndDeleteFile(Server.MapPath(GlobalSettings.Path + "/../" + dir) +
                                      "/configWizardPermissionTest.txt");
                if (!result)
                {
                    packageOK = false;
                    permSummary.Text += "<li>Directory: ./" + dir + "</li>";
                }

                // Print
                packageResult += " ./" + dir + " : " + successOrFailure(result) + "!<br/>";
            }
            packageResults.Text = packageResult;

            // Test umbraco.xml file
            try
            {
                content.Instance.SaveContentToDisk(content.Instance.XmlContent);
                xmlResult.Text = "Success!";
            }
            catch (Exception ee)
            {
                cacheOK = false;
                xmlResult.Text = "Failed!";
                string tempFile = GlobalSettings.ContentXML;
                if (tempFile.Substring(0, 1) == "/")
                    tempFile = tempFile.Substring(1, tempFile.Length - 1);
                permSummary.Text +=
                    string.Format("<li>File ./{0}<br/><strong>Error message: </strong>{1}</li>", tempFile, ee);
            }

            // Test creation of folders
            try
            {
                string tempDir = Server.MapPath(GlobalSettings.Path + "/../media") + "/testCreatedByConfigWizard";
                Directory.CreateDirectory(tempDir);
                Directory.Delete(tempDir);
                foldersResult.Text = "Success!";
            }
            catch
            {
                foldersOK = false;
                foldersResult.Text = "Failure!";
            }

            // update config files
            if (permissionsOK)
            {
                foreach (
                    FileInfo configFile in
                        new DirectoryInfo(GlobalSettings.FullpathToRoot + Path.DirectorySeparatorChar + "config").
                            GetFiles("*.xml"))
                {
                    try {
                        if (File.Exists(configFile.FullName.Replace(".xml", ".config")))
                            File.Delete(configFile.FullName.Replace(".xml", ".config"));

                        configFile.MoveTo(configFile.FullName.Replace(".xml", ".config"));
                    }catch{}
                    
                }
            }

            // Generate summary
            howtoResolve.Visible = true;
            if (permissionsOK && cacheOK && packageOK && foldersOK)
            {
                perfect.Visible = true;
                howtoResolve.Visible = false;
            }
            else if (permissionsOK && cacheOK && foldersOK)
                noPackages.Visible = true;
            else if (permissionsOK && cacheOK)
            {
                folderWoes.Visible = true;
                grant.Visible = false;
                noFolders.Visible = true;
            }
            else
            {
                error.Visible = true;
                if (!foldersOK)
                    folderWoes.Visible = true;
            }
        }

        private string successOrFailure(bool result)
        {
            if (result)
                return "Success";
            else
                return "Failure";
        }

        private bool SaveAndDeleteFile(string file)
        {
            try
            {
                File.WriteAllText(file,
                                  "This file has been created by the umbraco configuration wizard. It is safe to delete it!");
                File.Delete(file);
                return true;
            }
            catch
            {
                return false;
            }

        }

        private bool OpenFileForWrite(string file)
        {
            try
            {
                File.AppendText(file).Close(); 
            }
            catch
            {
                return false;
            }
            return true;
        }

        #region Web Form Designer generated code

        protected override void OnInit(EventArgs e)
        {
            //
            // CODEGEN: This call is required by the ASP.NET Web Form Designer.
            //
            InitializeComponent();
            base.OnInit(e);
        }

        /// <summary>
        ///		Required method for Designer support - do not modify
        ///		the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
        }

        #endregion
    }
}