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Rename global store to __WJS__ and adjust serialization

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Rename the global store identifier from __WJ_STORE to __WJS__ throughout JsSerializer.cs (store access in load/unload/set/get and EnsureStore initialization). Also change value retrieval to only JSON.stringify objects and use String(v) for primitives to avoid wrapping non-objects in JSON. Preserve the Object.create(null) store initialization to prevent prototype pollution.
This commit is contained in:
Namhyeon Go 2026-02-06 14:31:57 +09:00
parent 362367f473
commit c16603af42
1 changed files with 8 additions and 8 deletions
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16
WelsonJS.Augmented/WelsonJS.Launcher/JsSerializer.cs
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@ -44,7 +44,7 @@ namespace WelsonJS.Launcher
// Create slot and parse
// Using Object.create(null) for a clean dictionary without prototype.
var sb = new StringBuilder();
sb.Append("(function(){var S=globalThis.__WJ_STORE;");
sb.Append("(function(){var S=globalThis.__WJS__;");
sb.Append("S[").Append(id.ToString(CultureInfo.InvariantCulture)).Append("]=JSON.parse(").Append(Q(json)).Append(");");
sb.Append("return '1';})()");
string r = _core.EvaluateToString(sb.ToString());
@ -59,7 +59,7 @@ namespace WelsonJS.Launcher
public void Unload(int id)
{
EnsureStore();
string script = "(function(){var S=globalThis.__WJ_STORE; delete S[" + id.ToString(CultureInfo.InvariantCulture) + "]; return '1';})()";
string script = "(function(){var S=globalThis.__WJS__; delete S[" + id.ToString(CultureInfo.InvariantCulture) + "]; return '1';})()";
_core.EvaluateToString(script);
}
@ -70,7 +70,7 @@ namespace WelsonJS.Launcher
{
if (json == null) throw new ArgumentNullException("json");
EnsureStore();
string script = "(function(){var S=globalThis.__WJ_STORE; S[" + id.ToString(CultureInfo.InvariantCulture) + "]=JSON.parse(" + Q(json) + "); return '1';})()";
string script = "(function(){var S=globalThis.__WJS__; S[" + id.ToString(CultureInfo.InvariantCulture) + "]=JSON.parse(" + Q(json) + "); return '1';})()";
_core.EvaluateToString(script);
}
@ -81,7 +81,7 @@ namespace WelsonJS.Launcher
{
EnsureStore();
space = Clamp(space, 0, 10);
string script = "(function(){var v=globalThis.__WJ_STORE[" + id.ToString(CultureInfo.InvariantCulture) + "]; return JSON.stringify(v,null," + space.ToString(CultureInfo.InvariantCulture) + ");})()";
string script = "(function(){var v=globalThis.__WJS__[" + id.ToString(CultureInfo.InvariantCulture) + "]; return JSON.stringify(v,null," + space.ToString(CultureInfo.InvariantCulture) + ");})()";
return _core.EvaluateToString(script);
}
@ -96,13 +96,13 @@ namespace WelsonJS.Launcher
string jsPath = BuildJsPath(path);
var sb = new StringBuilder();
sb.Append("(function(){var v=globalThis.__WJ_STORE[")
sb.Append("(function(){var v=globalThis.__WJS__[")
.Append(id.ToString(CultureInfo.InvariantCulture))
.Append("];var p=").Append(jsPath).Append(";");
sb.Append("for(var i=0;i<p.length;i++){var k=p[i];");
sb.Append("if(Array.isArray(v) && typeof k==='number'){ v=v[k]; }");
sb.Append("else { v=(v==null?null:v[k]); }}");
sb.Append("return JSON.stringify(v);})()");
sb.Append("return (typeof v==='object'?JSON.stringify(v):String(v));})()");
return _core.EvaluateToString(sb.ToString());
}
@ -110,11 +110,11 @@ namespace WelsonJS.Launcher
private void EnsureStore()
{
if (_storeReady) return;
// Create a single global dictionary: globalThis.__WJ_STORE
// Create a single global dictionary: globalThis.__WJS__
// Object.create(null) prevents prototype pollution and accidental hits on built-ins.
string script =
"(function(){var g=globalThis||this;" +
"if(!g.__WJ_STORE){Object.defineProperty(g,'__WJ_STORE',{value:Object.create(null),writable:false,enumerable:false,configurable:false});}" +
"if(!g.__WJS__){Object.defineProperty(g,'__WJS__',{value:Object.create(null),writable:false,enumerable:false,configurable:false});}" +
"return '1';})()";
string r = _core.EvaluateToString(script);
_storeReady = (r == "1");