/// <summary>
/// Sets everything up to load the plugins, creating the seperate appdomin and permission requirements
/// </summary>
public void SetupProtocolFactory(IProtocolAssemblyMetadata meta) {
AppDomainSetup setup = this.CreateAppDomainSetup();
PermissionSet permissions = this.CreatePermissionSet(meta);
// Create the app domain and the plugin factory in the new domain.
this.AppDomainSandbox = AppDomain.CreateDomain(String.Format("Potato.Protocols.{0}", this.ConnectionModel != null ? this.ConnectionModel.ConnectionGuid.ToString() : String.Empty), null, setup, permissions);
this.ProtocolFactory = (ISandboxProtocolController)this.AppDomainSandbox.CreateInstanceAndUnwrap(typeof(ISandboxProtocolController).Assembly.FullName, typeof(SandboxProtocolController).FullName);
this.AssignProtocolEvents();
}
/// <summary>
/// Sets up the factory, then attempts to load a specific type into the protocol appdomain.
/// </summary>
public bool SetupProtocol(IProtocolAssemblyMetadata meta, IProtocolType type, ProtocolSetup setup) {
if (this.ProtocolFactory == null) {
this.SetupProtocolFactory(meta);
}
if (this.ProtocolFactory.Create(meta.Assembly.FullName, type) == true) {
this.Protocol = this.ProtocolFactory;
this.Protocol.Setup(setup);
}
return this.Protocol != null;
}
/// <summary>
/// Creates the permissions set to apply to the app domain.
/// </summary>
/// <returns></returns>
public PermissionSet CreatePermissionSet(IProtocolAssemblyMetadata meta) {
PermissionSet permissions = new PermissionSet(PermissionState.None);
permissions.AddPermission(new SecurityPermission(SecurityPermissionFlag.Execution));
permissions.AddPermission(new DnsPermission(PermissionState.Unrestricted));
permissions.AddPermission(new WebPermission(PermissionState.Unrestricted));
permissions.AddPermission(new SocketPermission(NetworkAccess.Connect, TransportType.All, "*.*.*.*", SocketPermission.AllPorts));
permissions.AddPermission(new FileIOPermission(FileIOPermissionAccess.PathDiscovery, AppDomain.CurrentDomain.BaseDirectory));
permissions.AddPermission(new FileIOPermission(FileIOPermissionAccess.AllAccess, meta.Directory.FullName));
DirectoryInfo coreSharedPackageDirectory = Defines.PackageContainingPath(Defines.PackageMyrconPotatoSharedLibNet40.FullName);
if (coreSharedPackageDirectory != null) {
permissions.AddPermission(new FileIOPermission(FileIOPermissionAccess.Read | FileIOPermissionAccess.PathDiscovery, coreSharedPackageDirectory.FullName));
}
return permissions;
}
