internal void DoPackageComposition()
{
// GS01: if package composition fails, and we're in the middle of installing a package
// we should roll back the package install.
var rulesThatSuperceedMine = InstalledPackageFeed.Instance.FindPackages(CanonicalName.AllPackages).Where(package => !WinsVersus(package)).SelectMany(package => package.ResolvedRules.Where(each => each.Action != CompositionAction.DownloadFile && each.Action != CompositionAction.InstallCommand && each.Action != CompositionAction.RemoveCommand)).ToArray();
foreach (var rule in ResolvedRules.Where(rule => !rulesThatSuperceedMine.Any(each => each.Destination.Equals(rule.Destination, StringComparison.CurrentCultureIgnoreCase))).OrderBy(rule => rule.Action))
{
// if we've past the downloads, we need to block on them finishing. No downloads is a quick skip.
if (rule.Action > CompositionAction.DownloadFile)
{
if (!PackageSessionData.WaitForFileDownloads())
{
throw new CoAppException("Failed to download one or more dependent files.");
}
}
if (!ApplyRule(rule))
{
// throw if not successful?
// think on this. GS01
}
}
}
private bool ApplyRule(CompositionRule rule)
{
switch (rule.Action)
{
case CompositionAction.DownloadFile:
if (!File.Exists(rule.Destination))
{
PackageSessionData.DownloadFile(rule.Source, rule.Destination);
}
return(true);
case CompositionAction.InstallCommand:
return(ExecuteCommand(rule.Source, rule.Destination));
case CompositionAction.RemoveCommand:
// we never 'apply' remove commands. Just remove em'
return(true);
case CompositionAction.FileCopy:
// file copy operations may only manipulate files in the package directory.
if (string.IsNullOrEmpty(rule.Source))
{
Logger.Error("ERROR: Illegal file copy rule. Source must be in package directory [{0}] => [{1}]", rule.Source, rule.Destination);
return(false);
}
if (string.IsNullOrEmpty(rule.Destination))
{
Logger.Error("ERROR: Illegal file copy rule. Destination must be in package directory [{0}] => [{1}]", rule.Source, rule.Destination);
return(false);
}
if (!File.Exists(rule.Source))
{
Logger.Error("ERROR: Illegal file copy rule. Source file does not exist [{0}] => [{1}]", rule.Source, rule.Destination);
return(false);
}
try {
var destParent = Path.GetDirectoryName(rule.Destination);
if (!string.IsNullOrEmpty(destParent))
{
if (!Directory.Exists(destParent))
{
Directory.CreateDirectory(destParent);
}
File.Copy(rule.Source, rule.Destination, true);
}
}
catch (Exception e) {
Logger.Error(e);
}
return(true);
case CompositionAction.FileRewrite:
// file copy operations may only manipulate files in the package directory.
if (string.IsNullOrEmpty(rule.Source))
{
Logger.Error("ERROR: Illegal file rewrite rule. Source must be in package directory [{0}] => [{1}]", rule.Source, rule.Destination);
return(false);
}
if (string.IsNullOrEmpty(rule.Destination))
{
Logger.Error("ERROR: Illegal file rewrite rule. Destination must be in package directory [{0}] => [{1}]", rule.Source, rule.Destination);
return(false);
}
if (!File.Exists(rule.Source))
{
Logger.Error("ERROR: Illegal file rewrite rule. Source file does not exist [{0}] => [{1}]", rule.Source, rule.Destination);
return(false);
}
File.WriteAllText(rule.Destination, ResolveVariables(File.ReadAllText(rule.Source)));
return(true);
case CompositionAction.SymlinkFile:
if (string.IsNullOrEmpty(rule.Destination))
{
Logger.Error("ERROR: Illegal file symlink rule. Destination location '{0}' must be a subpath of apps dir", rule.Destination);
return(false);
}
if (string.IsNullOrEmpty(rule.Source))
{
Logger.Error("ERROR: Illegal file symlink rule. Source file '{0}' must be a subpath of package directory", rule.Source);
return(false);
}
if (!File.Exists(rule.Source))
{
Logger.Error("ERROR: Illegal folder symlink rule. Source file '{0}' does not exist.", rule.Source);
return(false);
}
var parentDir = Path.GetDirectoryName(rule.Destination);
if (!string.IsNullOrEmpty(parentDir))
{
if (!Directory.Exists(parentDir))
{
Directory.CreateDirectory(parentDir);
}
try {
// Logger.Message("Creating file Symlink [{0}] => [{1}]", rule.Destination, rule.Source);
Symlink.MakeFileLink(rule.Destination, rule.Source);
}
catch (Exception) {
Logger.Error("Warning: File Symlink Link Failed. [{0}] => [{1}]", rule.Destination, rule.Source);
}
}
return(true);
case CompositionAction.SymlinkFolder:
if (string.IsNullOrEmpty(rule.Destination))
{
Logger.Error("ERROR: Illegal folder symlink rule. Destination location '{0}' must be a subpath of appsdir", rule.Destination);
return(false);
}
if (string.IsNullOrEmpty(rule.Source))
{
Logger.Error("ERROR: Illegal folder symlink rule. Source folder '{0}' must be a subpath of package directory{1}", rule.Source);
return(false);
}
if (!Directory.Exists(rule.Source))
{
Logger.Error("ERROR: Illegal folder symlink rule. Source folder '{0}' does not exist.", rule.Source);
return(false);
}
try {
// Logger.Message("Creatign Directory Symlink [{0}] => [{1}]", rule.Destination, rule.Source);
Symlink.MakeDirectoryLink(rule.Destination, rule.Source);
}
catch (Exception) {
Logger.Error("Warning: Directory Symlink Link Failed. [{0}] => [{1}]", rule.Destination, rule.Source);
return(false);
}
return(true);
case CompositionAction.Shortcut:
if (string.IsNullOrEmpty(rule.Source))
{
Logger.Error("ERROR: Illegal shortcut rule. Source file '{0}' must be a subpath of package directory", rule.Source);
return(false);
}
if (!File.Exists(rule.Source))
{
Logger.Error("ERROR: Illegal shortcut rule. Source file '{0}' does not exist.", rule.Source);
return(false);
}
var pDir = Path.GetDirectoryName(rule.Destination);
if (!string.IsNullOrEmpty(pDir))
{
if (!Directory.Exists(pDir))
{
Directory.CreateDirectory(pDir);
}
// Logger.Message("Creating Shortcut [{0}] => [{1}]", rule.Destination, rule.Source);
ShellLink.CreateShortcut(rule.Destination, rule.Source, workingDirectory: "");
}
return(true);
case CompositionAction.EnvironmentVariable:
switch (rule.Key.ToLower())
{
case "path":
case "pathext":
case "psmodulepath":
case "comspec":
case "temp":
case "tmp":
case "username":
case "windir":
case "allusersprofile":
case "appdata":
case "commonprogramfiles":
case "commonprogramfiles(x86)":
case "commonprogramw6432":
case "computername":
case "current_cpu":
case "FrameworkVersion":
case "homedrive":
case "homepath":
case "logonserver":
case "number_of_processors":
case "os":
case "processor_architecture":
case "processor_identifier":
case "processor_level":
case "processor_revision":
case "programdata":
case "programfiles":
case "programfiles(x86)":
case "programw6432":
case "prompt":
case "public":
case "systemdrive":
case "systemroot":
case "userdomain":
case "userprofile":
Logger.Warning("Package may not set environment variable '{0}'", rule.Key);
return(true);
default:
EnvironmentUtility.SetSystemEnvironmentVariable(rule.Key, rule.Value);
return(true);
}
case CompositionAction.Registry:
if (CanonicalName.Architecture == Architecture.x64 && Environment.Is64BitOperatingSystem)
{
RegistryView.System["SOFTWARE"][rule.Key].StringValue = rule.Value;
}
else
{
RegistryView.System["SOFTWARE\\Wow6432Node"][rule.Key].StringValue = rule.Value;
}
return(true);
}
return(true);
}
