private string GetSourceCodeHash(RunEmbedScript request)
{
string hash;
var code = (request.MainSource ?? string.Empty)
+ (request.Packages ?? string.Empty) + string.Concat(request.Sources);
using (var md5 = MD5.Create())
{
var hashBytes = md5.ComputeHash(Encoding.Unicode.GetBytes(code));
var sb = new StringBuilder();
foreach (var b in hashBytes)
{
sb.Append(b.ToString("x2"));
}
hash = sb.ToString();
}
return(hash);
}
public object Any(RunEmbedScript request)
{
if (request.GistHash == null)
{
throw new ArgumentException("GistHash");
}
AppData.AssertNoIllegalTokens(request.MainSource);
AppData.AssertNoIllegalTokens(request.Sources.ToArray());
var result = new EmbedScriptExecutionResult();
var codeHash = GetSourceCodeHash(request);
if (!request.NoCache)
{
var mr = AppData.GetMemoizedResult(codeHash);
if (mr != null)
{
result = mr.Result;
return(new RunEmbedScriptResponse {
Result = result
});
}
}
List <AssemblyReference> normalizedReferences;
var addedReferences = AddReferencesFromPackages(request.References, request.Packages, out normalizedReferences);
//Create domain and run script
var evidence = new Evidence(AppDomain.CurrentDomain.Evidence);
var setup = new AppDomainSetup
{
PrivateBinPath = Path.Combine(VirtualFiles.RootDirectory.RealPath, "bin"),
ApplicationBase = VirtualFiles.RootDirectory.RealPath
};
var domain = AppDomain.CreateDomain(Guid.NewGuid().ToString(), evidence, setup);
var asm = typeof(DomainWrapper).Assembly.FullName;
var type = typeof(DomainWrapper).FullName;
var wrapper = (DomainWrapper)domain.CreateInstanceAndUnwrap(asm, type);
wrapper.ScriptId = request.ScriptId;
var writerProxy = new NotifierProxy(ServerEvents, request.ScriptId);
var info = new ScriptRunnerInfo {
ScriptId = request.ScriptId, ScriptDomain = domain, DomainWrapper = wrapper
};
Cache.Set(request.ScriptId, info);
var lockEvt = new ManualResetEvent(false);
ThreadPool.QueueUserWorkItem(_ =>
{
try
{
var sr = wrapper.Run(request.MainSource, request.Sources, addedReferences.Select(r => r.Path).ToList(), writerProxy);
result.Exception = sr.Exception;
result.Errors = sr.Errors;
//get json of last variable
if (sr.Variables != null && sr.Variables.Count > 0)
{
var value = wrapper.GetVariableValue(sr.Variables[sr.Variables.Count - 1].Name);
result.LastVariableJson = ScriptUtils.ToJson(value);
}
}
finally
{
lockEvt.Set();
}
});
lockEvt.WaitOne();
AppData.SetMemoizedResult(new MemoizedResult {
CodeHash = codeHash, Result = result
});
//Unload appdomain only in synchroneous version
//AppDomain.Unload(domain);
return(new RunEmbedScriptResponse
{
Result = result,
References = normalizedReferences
});
}