public void AsyncAwaitDeepPatch()
{
var snippetSource = File.ReadAllText(@"..\..\Tests\AsyncAwait.cs");
var compiledSnippet = Pumpkin.SnippetCompiler.CompileWithCSC(snippetSource, Path.GetTempPath());
Assert.IsTrue(compiledSnippet.success);
var patchedAssemblyBytes = Pumpkin.SnippetCompiler.PatchAssembly(compiledSnippet.assemblyBytes, "Snippets.AsyncAwait");
File.WriteAllBytes(Path.Combine(Path.GetTempPath(), "AsyncAwait-patched.dll"), patchedAssemblyBytes);
var clientAssembly = AppDomain.CurrentDomain.Load(patchedAssemblyBytes);
var type = clientAssembly.GetTypes().Where(t => t.FullName == "Snippets.AsyncAwait").SingleOrDefault();
Assert.IsNotNull(type);
var monitorField = type.GetField(Pumpkin.Monitor.MonitorFieldName, BindingFlags.Public | BindingFlags.Static);
Assert.IsNotNull(monitorField);
var resultOutput = new List <string>();
var monitor = new Pumpkin.Monitor(resultOutput);
monitorField.SetValue(null, monitor);
var bindingFlags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static;
var target = type.GetMethod("SnippetMain", bindingFlags);
Assert.IsNotNull(target);
//Now invoke the method.
target.Invoke(null, null);
Assert.AreEqual(resultOutput[0], "Hello Foo");
}
// This kind of customization (provide a custom HostSecurityManager, with custom DomainPolicy etc.)
// is obsolete in .NET4. Setting the PermissionSet on the AppDomain (as we do here) is the right thing to do
// See http://msdn.microsoft.com/en-us/library/ee191568(VS.100).aspx
// and http://msdn.microsoft.com/en-us/library/bb763046(v=vs.100).aspx
//public override HostSecurityManager HostSecurityManager {
// get { return new SimpleHostSecurityManager(); }
//}
//[SecuritySafeCritical]
internal SnippetResult InternalRun(AppDomain appDomain, byte[] assembly, string mainTypeName, string methodName,
bool runningInSandbox)
{
// Here we already are on the new domain
SnippetResult result = new SnippetResult();
try {
// Use this "trick" to go through the standard loader path.
// This MAY be something we want, or something to avoid
// When loading the assembly, we need at least FileIOPermission.
// Calling it with a full-trust stack. TODO: only what is needed
(new PermissionSet(PermissionState.Unrestricted)).Assert();
var clientAssembly = appDomain.Load(assembly);
//var clientAssembly = Assembly.Load(assembly, null, SecurityContextSource.CurrentAppDomain);
//AssemblyName an = AssemblyName.GetAssemblyName(assemblyFileName);
//var clientAssembly = appDomain.Load(an);
CodeAccessPermission.RevertAssert();
//Load the MethodInfo for a method in the new Assembly. This might be a method you know, or
//you can use Assembly.EntryPoint to get to the main function in an executable.
var type = clientAssembly.GetTypes().Where(t => t.Name == mainTypeName || t.FullName == mainTypeName).SingleOrDefault();
if (type == null)
{
result.status = SnippetStatus.InitializationError;
return(result);
}
var monitorField = type.GetField(Pumpkin.Monitor.MonitorFieldName, BindingFlags.Public | BindingFlags.Static);
if (monitorField != null)
{
result.output = new List <string>();
var monitor = new Pumpkin.Monitor(result.output);
monitorField.SetValue(null, monitor);
}
// To allow code to invoke any nonpublic member: Your code must be granted ReflectionPermission with the ReflectionPermissionFlag.MemberAccess flag
// To allow code to invoke any nonpublic member, as long as the grant set of the assembly that contains the invoked member is
// the same as, or a subset of, the grant set of the assembly that contains the invoking code:
// Your code must be granted ReflectionPermission with the ReflectionPermissionFlag.RestrictedMemberAccess flag.
// See http://msdn.microsoft.com/en-us/library/stfy7tfc%28v=vs.110%29.aspx
var bindingFlags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static;
if (runningInSandbox)
{
bindingFlags = BindingFlags.Public | BindingFlags.Static;
}
var target = type.GetMethod(methodName, bindingFlags);
if (target == null)
{
result.status = SnippetStatus.InitializationError;
return(result);
}
//Now invoke the method.
target.Invoke(null, null);
result.status = SnippetStatus.Success;
}
catch (TargetInvocationException ex) {
result.exception = (ex.InnerException == null ? ex.Message : ex.InnerException.Message);
// When we print informations from a SecurityException extra information can be printed if we are
//calling it with a full-trust stack.
(new PermissionSet(PermissionState.Unrestricted)).Assert();
System.Diagnostics.Debug.WriteLine("Exception caught: =================" +
result.exception.ToString() +
"===================================");
CodeAccessPermission.RevertAssert();
result.status = SnippetStatus.ExecutionError;
}
catch (Exception ex) {
(new PermissionSet(PermissionState.Unrestricted)).Assert();
System.Diagnostics.Debug.WriteLine("Exception caught: =================" +
ex.ToString() +
"===================================");
CodeAccessPermission.RevertAssert();
result.exception = ex.Message;
result.status = SnippetStatus.ExecutionError;
}
return(result);
}
public static void SnippetMain(Pumpkin.Monitor monitor)
{
Console.WriteLine(f(10).ToString());
}
