Use a single synchronous IPC call to retrieve data required by early
sandbox scripts. This has two purposes:
- Optimize preload script initialization by:
- Using one synchronous IPC call to retrieve preload script,
webContentsId (more on that later), process.{platform,execPath,env}
- Lazy loading as many modules as possible.
- Fix#12316 for sandbox. @MarshallOfSound addressed the issue in
#12342, but it was still present in sandbox mode. By loading
webContentsId very early and skipping remote module at early
startup, we fix it for sandbox.
- Use `path` module from browser process in sandboxed renderer. This is required
because the return value of `path.join` is platform-specific, and this is an
assumtion of crash-reporter.js which is shared between sandboxed and
non-sandboxed renderers.
- Set `process.platform` and `process.execPath` in sandboxed renderer
environment. This is required to spawn the windows crash service from
sandboxed renderer.
- Use a single temporary directory for all crashReporter tests. This is required
to make tests more deterministic across platforms(since mac's crashpad doesn't
support changing the crash dump directory). Also make a few improvements/fixes
to the `uploadToServer` test.
- Expose remote shortcuts for the `fs`, `os` and `child_process` modules.
- Expose the `url` and `timers` modules(the browserify versions)
- Add `process.crash` and `process.platform`
In sandboxed renderers we use browserify to provide a node-like environment. The
Buffer class used by browserify is actually just a wrapper around Uint8Array,
but to deserialize Buffer correctly we must expose the class as a hidden value
and use it in V8ValueConverter.
Instead of having to list in filenames.gypi every javascript file that may go
into a browserify build, generate this list dynamically when the build files are
created by gyp.
This change gives sandboxed renderer scripts a similar structure to what already
exists in the lib/{browser,renderer,common} directories.
It also allows sandboxed renderer initialization to share more code with
non-sandboxed renderers (ipcRenderer is now imported directly from
lib/renderer/api/ipc-renderer).
- Adapt node.cc code that implements `process.binding` to create a similar
object in AtomSandboxedRendererClient.
- Replace the ipc binding object passed to `lib/sandboxed_renderer/init.js` by
the new binding object.
- Refactor the initialization script to use this new object to fetch the ipc
binding and store as a hidden value using the `v8_util` module.
This change also required applying a patch to node.js, so the submodule commit
was updated.
Add a gyp target that creates a browserify bundle starting with
`lib/sandboxed_renderer/init.js`, which is embedded into the executable using
the `atom_js2c` target.
The goal of this bundle is to provide a very basic environment for preload
scripts where a `require` function is available.
