fix(javascript): preserve runtime path bytes and Electron ownership (#4941)

* fix(javascript): preserve literal percent runtime paths * fix(javascript): ignore resolve prefixes before the final anchor * fix(electron): retain application roots for loadFile declarations * fix(electron): resolve loadFile from enclosing application package * fix(electron): retain outer application root across package scopes * fix(electron): derive application ownership from inventoried packages * fix(electron): retain resolved package entrypoint ownership * fix(electron): preserve competing application ownership * fix(electron): retain invalid and omitted runtime ownership * fix(electron): preserve omitted module ownership and runtime paths * fix(electron): preserve proven roots before confining page paths * fix(electron): retain possible owners behind missing imports * fix(electron): distinguish absent imports and owned page candidates * fix(electron): keep unavailable JSON out of owner gaps * fix(electron): retain exact loader formats and default entry status * fix(electron): retain unavailable entrypoint ownership candidates * test(ghidra): preserve Windows Node probe prerequisites * test(ghidra): assert cancellation during profile shutdown * fix(electron): separate examined imports from frontend ownership * fix(electron): retain unavailable directory entrypoint owners * test(jeb): retain Linux ownership prerequisite in isolation * fix(javascript): retain unchecked loader ownership and literal main paths * fix(javascript): preserve runtime paths and call-site module aliases * fix(javascript): bound module alias traversal and preserve projections * fix(javascript): retain host module and nested artifact path boundaries * fix(javascript): preserve ESM and archive module loader provenance * test(javascript): distinguish unmapped containers from missing exports * fix: retain default module aliases and Electron builtin imports * fix: preserve host file URL and inward ASAR ownership * fix: preserve CommonJS file URL classification in CI fixtures * fix: retain bound module loaders and Windows entrypoint uncertainty * fix: retain ASAR uncertainty and invalidate changed Electron app roots * fix(javascript): retain ownership uncertainty across loader boundaries * fix(javascript): preserve loader sources and bound alias queries * fix(javascript): retain destructured loader sources * fix(javascript): preserve loader uncertainty at resolution boundaries * fix(javascript): preserve callable and package launch ownership * fix(javascript): preserve captured values across member reads * test(process): assert tagged filesystem cancellation failures * fix(javascript): preserve inventory bases and invocation read timing * fix(javascript): preserve ownership across indirect and unread loads * test(javascript): order fixture directory creation on Windows * test(javascript): share ordered filesystem fixture writer * fix(javascript): unify loader provenance and package validation * fix(javascript): preserve captured Node require loader values * fix(javascript): preserve loader invocation authority * fix(javascript): verify generic loader invocation authority * fix(javascript): preserve conditional loader method alternatives * fix(javascript): require proven factories for source association * fix(javascript): honor replaced Electron app path setters * fix(javascript): prove path and assignment source ownership * fix(javascript): retain native delegate eligibility through shared writes * fix(process): settle stale baseline errors after confirmed absence * fix(javascript): preserve assignment and path boundary evidence * fix(javascript): prove source-directory resolve anchors * fix: preserve application path provenance and portable schemas * fix(javascript): retain CommonJS exported setter effects * fix: isolate Linux identity observations and retain native module exports * fix(javascript): preserve published app and helper provenance * fix(javascript): normalize typed stores and native path fixtures
2026-10-28 02:15:44 +00:00 · 2026-10-20 17:25:19 +08:00
1 parent d532b18123
commit e9fc8fb30c
@@ -0,0 +1,144 @@
+import { Module } from "node:module";
+import * as path from "node:path";
+import { runInNewContext } from "node:vm";
+import { expect, it } from "vitest";
+
+import { analyzeJavaScriptStaticSource } from "./javascriptStaticAnalysis.js";
+
+const projectedModuleWrites = [
+  [
+    "object assignment",
+    "let selected;({selected}={selected:module});selected.require=module.require;",
+    true,
+  ],
+  [
+    "object declaration",
+    "const {selected}={selected:module};selected.require=module.require;",
+    true,
+  ],
+  [
+    "array assignment",
+    "let selected;[selected]=[module];selected.require=module.require;",
+    true,
+  ],
+  [
+    "array declaration",
+    "const [selected]=[module];selected.require=module.require;",
+    true,
+  ],
+  [
+    "nested assignment",
+    "let selected;({nested:{selected}}={nested:{selected:module}});selected.require=module.require;",
+    true,
+  ],
+  [
+    "assignment fallback",
+    "let selected;({selected=module}={});selected.require=module.require;",
+    true,
+  ],
+  [
+    "nested fallback",
+    "let selected;({nested:{selected=module}}={nested:{}});selected.require=module.require;",
+    true,
+  ],
+  [
+    "object rest child",
+    "let selected;({...selected}={loader:module});selected.loader.require=module.require;",
+    true,
+  ],
+  [
+    "array rest child",
+    "let selected;[,...selected]=[0,module];selected[0].require=module.require;",
+    true,
+  ],
+  [
+    "captured alias",
+    "let selected;({selected}={selected:module});const saved=selected;selected={};saved.require=module.require;",
+    true,
+  ],
+  [
+    "captured source container",
+    "let source={selected:module};let selected;({selected}=source);source={selected:{}};selected.require=module.require;",
+    true,
+  ],
+  [
+    "projected escape",
+    "let selected;({selected}={selected:module});expose(selected);",
+    true,
+  ],
+  [
+    "copied child escape",
+    "let selected;({...selected}={loader:module});expose(selected.loader);",
+    true,
+  ],
+  [
+    "inactive fallback",
+    "const {selected=module}={selected:{}};selected.require=module.require;",
+    false,
+  ],
+  [
+    "local alias",
+    "let selected;({selected}={selected:{require(){}}});selected.require=module.require;",
+    false,
+  ],
+  [
+    "object rest container",
+    "let selected;({...selected}=module);selected.require=module.require;",
+    false,
+  ],
+  [
+    "rebound alias",
+    "let selected;({selected}={selected:module});selected={};selected.require=module.require;",
+    false,
+  ],
+  [
+    "rebound fallback",
+    "let selected;({selected=module}={});selected={};selected.require=module.require;",
+    false,
+  ],
+  [
+    "copied container escape",
+    "let selected;({...selected}=module);expose(selected);",
+    false,
+  ],
+] as const;
+
+it.each(projectedModuleWrites)(
+  "tracks copied require after a projected module write: %s",
+  (_name, setup, expected) => {
+    const body = `${setup}const copy={...module};const load=copy.require;load.call(module,'node:path');`;
+    const host = new Module("projected-module-write-oracle.cjs");
+    const context = {
+      module: host,
+      expose: (value: Module) => {
+        value.require = host.require;
+      },
+    };
+    if (expected) expect(runInNewContext(body, context).join).toBe(path.join);
+    else expect(() => runInNewContext(body, context)).toThrow();
+    const result = analyzeJavaScriptStaticSource(body);
+    expect(result.parse_error_count).toBe(0);
+    expect(result.references).toEqual(
+      expected
+        ? [expect.objectContaining({ kind: "require", specifier: null })]
+        : [],
+    );
+  },
+);
+
+it.each(["selected.require=module.require;", "expose(selected);"])(
+  "captures copied require before a later projected module effect: %s",
+  (effect) => {
+    const body = `let selected;({selected}={selected:module});const copy={...module};${effect}const load=copy.require;load.call(module,'node:path');`;
+    const host = new Module("late-module-effect.cjs");
+    expect(() =>
+      runInNewContext(body, {
+        module: host,
+        expose: (value: Module) => {
+          value.require = host.require;
+        },
+      }),
+    ).toThrow();
+    expect(analyzeJavaScriptStaticSource(body).references).toEqual([]);
+  },
+);