cory/tildefriends
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Now child processes have no ability to open files.

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git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3206 ed5197a5-7fde-0310-b194-c3ffbd925b24
This commit is contained in:
Cory McWilliams
2016-04-16 21:30:52 +00:00
parent 74af1d361c
commit 6410b13ece
10 changed files with 89 additions and 56 deletions
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96
src/Task.cpp
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@ -105,6 +105,7 @@ Task::Task() {
Task::~Task() {
_exportObject.Reset();
_sourceObject.Reset();
{
v8::Isolate::Scope isolateScope(_isolate);
@ -166,7 +167,6 @@ void Task::activate() {
global->Set(v8::String::NewFromUtf8(_isolate, "print"), v8::FunctionTemplate::New(_isolate, print));
global->Set(v8::String::NewFromUtf8(_isolate, "setTimeout"), v8::FunctionTemplate::New(_isolate, setTimeout));
global->Set(v8::String::NewFromUtf8(_isolate, "require"), v8::FunctionTemplate::New(_isolate, require));
global->SetAccessor(v8::String::NewFromUtf8(_isolate, "parent"), parent);
global->Set(v8::String::NewFromUtf8(_isolate, "exit"), v8::FunctionTemplate::New(_isolate, exit));
global->Set(v8::String::NewFromUtf8(_isolate, "utf8Length"), v8::FunctionTemplate::New(_isolate, utf8Length));
@ -175,11 +175,16 @@ void Task::activate() {
global->SetAccessor(v8::String::NewFromUtf8(_isolate, "version"), version);
global->SetAccessor(v8::String::NewFromUtf8(_isolate, "statistics"), statistics);
if (_trusted) {
std::cout << "parent require\n";
global->Set(v8::String::NewFromUtf8(_isolate, "require"), v8::FunctionTemplate::New(_isolate, require));
global->Set(v8::String::NewFromUtf8(_isolate, "Database"), v8::FunctionTemplate::New(_isolate, Database::create));
global->Set(v8::String::NewFromUtf8(_isolate, "Socket"), v8::FunctionTemplate::New(_isolate, Socket::create));
global->Set(v8::String::NewFromUtf8(_isolate, "Task"), v8::FunctionTemplate::New(_isolate, TaskStub::create));
global->Set(v8::String::NewFromUtf8(_isolate, "TlsContext"), v8::FunctionTemplate::New(_isolate, TlsContextWrapper::create));
File::configure(_isolate, global);
} else {
std::cout << "setting up child require\n";
global->Set(v8::String::NewFromUtf8(_isolate, "require"), v8::FunctionTemplate::New(_isolate, childRequire));
}
v8::Local<v8::Context> context = v8::Context::New(_isolate, 0, global);
@ -654,29 +659,10 @@ void Task::onReceivePacket(int packetType, const char* begin, size_t length, voi
}
}
break;
case kSetTrusted:
case kSetRequires:
{
assert(length == sizeof(bool));
bool trusted = false;
memcpy(&trusted, begin, sizeof(bool));
to->_trusted = trusted;
}
break;
case kAddPath:
{
v8::Handle<v8::Array> result = v8::Handle<v8::Array>::Cast(Serialize::load(to, from, std::vector<char>(begin, begin + length)));
if (!result.IsEmpty()) {
for (size_t i = 0; i < result->Length(); ++i) {
v8::Handle<v8::Value> handle = result->Get(i);
if (!handle.IsEmpty()) {
v8::Handle<v8::String> entry = handle.As<v8::String>();
if (!entry.IsEmpty()) {
v8::String::Utf8Value value(entry);
to->_path.push_back(*value);
}
}
}
}
v8::Handle<v8::Object> result = v8::Handle<v8::Object>::Cast(Serialize::load(to, from, std::vector<char>(begin, begin + length)));
to->_sourceObject = v8::Persistent<v8::Object, v8::CopyablePersistentTraits<v8::Object> >(to->_isolate, result);
}
break;
case kActivate:
@ -685,14 +671,16 @@ void Task::onReceivePacket(int packetType, const char* begin, size_t length, voi
case kExecute:
{
assert(length >= sizeof(promiseid_t));
v8::Handle<v8::Value> arg;
promiseid_t promise;
std::memcpy(&promise, begin, sizeof(promiseid_t));
arg = Serialize::load(to, from, std::vector<char>(begin + sizeof(promiseid_t), begin + length));
v8::TryCatch tryCatch(to->_isolate);
tryCatch.SetCaptureMessage(true);
tryCatch.SetVerbose(true);
to->execute(*v8::String::Utf8Value(arg));
v8::Handle<v8::Value> value = Serialize::load(to, from, std::vector<char>(begin + sizeof(promiseid_t), begin + length));
v8::Handle<v8::Object> object = v8::Handle<v8::Object>::Cast(value);
v8::Handle<v8::String> source = v8::Handle<v8::String>::Cast(object->Get(v8::String::NewFromUtf8(to->_isolate, "source")));
v8::Handle<v8::String> name = v8::Handle<v8::String>::Cast(object->Get(v8::String::NewFromUtf8(to->_isolate, "name")));
to->executeSource(source, name);
if (tryCatch.HasCaught()) {
sendPromiseReject(to, from, promise, Serialize::store(to, tryCatch));
}
@ -746,6 +734,7 @@ std::string Task::resolveRequire(const std::string& require) {
}
void Task::require(const v8::FunctionCallbackInfo<v8::Value>& args) {
std::cout << "regular require\n";
v8::HandleScope scope(args.GetIsolate());
Task* task = Task::get(args.GetIsolate());
v8::String::Utf8Value pathValue(args[0]);
@ -788,3 +777,58 @@ void Task::require(const v8::FunctionCallbackInfo<v8::Value>& args) {
args.GetReturnValue().Set(args.GetIsolate()->ThrowException(v8::Exception::Error(v8::String::NewFromUtf8(args.GetIsolate(), "require(): No module specified."))));
}
}
v8::Handle<v8::Value> Task::executeSource(v8::Handle<v8::String>& source, v8::Handle<v8::String>& name) {
v8::Isolate::Scope isolateScope(_isolate);
v8::HandleScope handleScope(_isolate);
v8::Context::Scope contextScope(v8::Local<v8::Context>::New(_isolate, _context));
v8::Handle<v8::Value> result;
v8::String::Utf8Value nameValue(name);
if (!source.IsEmpty()) {
v8::Handle<v8::Script> script = v8::Script::Compile(source, name);
if (!script.IsEmpty()) {
script->Run();
} else {
result = _isolate->ThrowException(v8::Exception::Error(v8::String::NewFromUtf8(_isolate, (std::string("Failed to compile ") + *nameValue + ".").c_str())));
}
} else {
result = _isolate->ThrowException(v8::Exception::Error(v8::String::NewFromUtf8(_isolate, (std::string("Failed to load ") + *nameValue + ".").c_str())));
}
return result;
}
void Task::childRequire(const v8::FunctionCallbackInfo<v8::Value>& args) {
std::cout << "childRequire\n";
v8::HandleScope scope(args.GetIsolate());
Task* task = Task::get(args.GetIsolate());
v8::Handle<v8::Object> requiresObject = v8::Local<v8::Object>::New(args.GetIsolate(), task->_sourceObject);
if (!requiresObject.IsEmpty()) {
v8::Handle<v8::String> name = args[0]->ToString();
v8::String::Utf8Value nameValue(name);
ScriptExportMap::iterator it = task->_scriptExports.find(*nameValue);
if (it != task->_scriptExports.end()) {
v8::Handle<v8::Object> exports = v8::Local<v8::Object>::New(args.GetIsolate(), it->second);
args.GetReturnValue().Set(exports);
} else {
v8::Handle<v8::Object> exports = v8::Object::New(args.GetIsolate());
v8::Handle<v8::String> source = v8::Handle<v8::String>::Cast(requiresObject->Get(args[0]));
if (!source.IsEmpty()) {
v8::Handle<v8::Object> global = args.GetIsolate()->GetCurrentContext()->Global();
v8::Handle<v8::Value> oldExports = global->Get(v8::String::NewFromUtf8(args.GetIsolate(), "exports"));
global->Set(v8::String::NewFromUtf8(args.GetIsolate(), "exports"), exports);
v8::Handle<v8::Script> script = v8::Script::Compile(source, name);
if (!script.IsEmpty()) {
script->Run();
} else {
args.GetReturnValue().Set(args.GetIsolate()->ThrowException(v8::Exception::Error(v8::String::NewFromUtf8(args.GetIsolate(), (std::string("Failed to compile ") + *nameValue + ".").c_str()))));
}
global->Set(v8::String::NewFromUtf8(args.GetIsolate(), "exports"), oldExports);
args.GetReturnValue().Set(exports);
} else {
args.GetReturnValue().Set(args.GetIsolate()->ThrowException(v8::Exception::Error(v8::String::NewFromUtf8(args.GetIsolate(), (std::string("Failed to load ") + *nameValue + ".").c_str()))));
}
}
}
}