/// <summary>
/// Gets a set of filter rules for registry access.
/// </summary>
private RegistryFilter GetRegistryFilter()
{
var filterRuleList = new LinkedList <RegistryFilterRule>();
if (_mainImplementation != null)
{
// Create one substitution stub for each command
foreach (var command in _mainImplementation.Commands)
{
// Only handle simple commands (executable path, no arguments)
if (string.IsNullOrEmpty(command.Path) || command.Arguments.Count != 0)
{
continue;
}
string processCommandLine = Path.Combine(_implementationDir, command.Path);
string registryCommandLine;
try
{ // Try to use a machine-wide stub if possible
registryCommandLine = StubBuilder.GetRunStub(_target, command.Name, _handler, machineWide: true);
}
catch (UnauthorizedAccessException)
{ // Fall back to per-user stub
registryCommandLine = StubBuilder.GetRunStub(_target, command.Name, _handler);
}
// Apply filter with normal and with escaped string
filterRuleList.AddLast(new RegistryFilterRule(processCommandLine, registryCommandLine));
filterRuleList.AddLast(new RegistryFilterRule("\"" + processCommandLine + "\"", "\"" + registryCommandLine + "\""));
}
}
// Redirect Windows SPAD commands to Zero Install
foreach (var defaultProgram in _target.Feed.CapabilityLists.CompatibleCapabilities().OfType <Store.Model.Capabilities.DefaultProgram>())
{
if (!string.IsNullOrEmpty(defaultProgram.InstallCommands.Reinstall))
{
filterRuleList.AddLast(GetInstallCommandFilter(defaultProgram.InstallCommands.Reinstall, defaultProgram.InstallCommands.ReinstallArgs, "--machine --batch --add=defaults " + _target.Uri.ToStringRfc().EscapeArgument()));
}
if (!string.IsNullOrEmpty(defaultProgram.InstallCommands.ShowIcons))
{
filterRuleList.AddLast(GetInstallCommandFilter(defaultProgram.InstallCommands.ShowIcons, defaultProgram.InstallCommands.ShowIconsArgs, "--machine --batch --add=icons " + _target.Uri.ToStringRfc().EscapeArgument()));
}
if (!string.IsNullOrEmpty(defaultProgram.InstallCommands.HideIcons))
{
filterRuleList.AddLast(GetInstallCommandFilter(defaultProgram.InstallCommands.HideIcons, defaultProgram.InstallCommands.HideIconsArgs, "--machine --batch --remove=icons " + _target.Uri.ToStringRfc().EscapeArgument()));
}
}
return(new RegistryFilter(filterRuleList));
}