template<> void ScriptInterface::ToJSVal<CParamNode>(JSContext* cx, JS::MutableHandleValue ret, CParamNode const& val)
{
JSAutoRequest rq(cx);
val.ToJSVal(cx, true, ret);
// Prevent modifications to the object, so that it's safe to share between
// components and to reconstruct on deserialization
if (ret.isObject())
{
JS::RootedObject obj(cx, &ret.toObject());
JS_DeepFreezeObject(cx, obj);
}
}
void MozJSImplScope::_MozJSCreateFunction(const char* raw,
ScriptingFunction functionNumber,
JS::MutableHandleValue fun) {
std::string code = str::stream() << "_funcs" << functionNumber << " = "
<< parseJSFunctionOrExpression(_context, StringData(raw));
JS::CompileOptions co(_context);
setCompileOptions(&co);
_checkErrorState(JS::Evaluate(_context, _global, co, code.c_str(), code.length(), fun));
uassert(10232,
"not a function",
fun.isObject() && JS_ObjectIsFunction(_context, fun.toObjectOrNull()));
}
// TODO: This function identification code is broken. Fix it up to be more robust
//
// See: SERVER-16703 for more info
void MozJSImplScope::_MozJSCreateFunction(const char* raw,
ScriptingFunction functionNumber,
JS::MutableHandleValue fun) {
std::string code = jsSkipWhiteSpace(raw);
if (!hasFunctionIdentifier(code)) {
if (code.find('\n') == std::string::npos && !hasJSReturn(code) &&
(code.find(';') == std::string::npos || code.find(';') == code.size() - 1)) {
code = "return " + code;
}
code = "function(){ " + code + "}";
}
code = str::stream() << "_funcs" << functionNumber << " = " << code;
JS::CompileOptions co(_context);
setCompileOptions(&co);
_checkErrorState(JS::Evaluate(_context, _global, co, code.c_str(), code.length(), fun));
uassert(10232,
"not a function",
fun.isObject() && JS_ObjectIsFunction(_context, fun.toObjectOrNull()));
}
void DBInfo::getProperty(JSContext* cx,
JS::HandleObject obj,
JS::HandleId id,
JS::MutableHandleValue vp) {
// 2nd look into real values, may be cached collection object
if (!vp.isUndefined()) {
auto scope = getScope(cx);
auto opContext = scope->getOpContext();
if (opContext && vp.isObject()) {
ObjectWrapper o(cx, vp);
if (o.hasOwnField(InternedString::_fullName)) {
// need to check every time that the collection did not get sharded
if (haveLocalShardingInfo(opContext, o.getString(InternedString::_fullName)))
uasserted(ErrorCodes::BadValue, "can't use sharded collection from db.eval");
}
}
return;
}
JS::RootedObject parent(cx);
if (!JS_GetPrototype(cx, obj, &parent))
uasserted(ErrorCodes::JSInterpreterFailure, "Couldn't get prototype");
ObjectWrapper parentWrapper(cx, parent);
if (parentWrapper.hasOwnField(id)) {
parentWrapper.getValue(id, vp);
return;
}
IdWrapper idw(cx, id);
// if starts with '_' we dont return collection, one must use getCollection()
if (idw.isString()) {
JSStringWrapper jsstr;
auto sname = idw.toStringData(&jsstr);
if (sname.size() == 0 || sname[0] == '_') {
return;
}
}
// no hit, create new collection
JS::RootedValue getCollection(cx);
parentWrapper.getValue(InternedString::getCollection, &getCollection);
if (!(getCollection.isObject() && JS_ObjectIsFunction(cx, getCollection.toObjectOrNull()))) {
uasserted(ErrorCodes::BadValue, "getCollection is not a function");
}
JS::AutoValueArray<1> args(cx);
idw.toValue(args[0]);
JS::RootedValue coll(cx);
ObjectWrapper(cx, obj).callMethod(getCollection, args, &coll);
uassert(16861,
"getCollection returned something other than a collection",
getScope(cx)->getProto<DBCollectionInfo>().instanceOf(coll));
// cache collection for reuse, don't enumerate
ObjectWrapper(cx, obj).defineProperty(id, coll, 0);
vp.set(coll);
}