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#105 Add sandbox execution; move JQ to it #4701

Merged
merged 28 commits into from
Dec 12, 2022
Merged

#105 Add sandbox execution; move JQ to it #4701

merged 28 commits into from
Dec 12, 2022

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fregante
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@fregante fregante commented Nov 25, 2022

I'm just running some tests for the sandbox:

  • Verify that the sandbox loads
  • Set up sandbox loading from content script
  • Set up communication via postMessage
  • Set up nunjucks API
  • Set up jq API
  • Test these two APIs
  • Handle errors?
  • Make it safer via MessageChannel
  • Add tests
  • Update tests
  • Decide what to do when a message is sent before the sandbox is ready

I'm tempted to add postMessage support to the Messenger, but I'm afraid to make it even more complicated (including its semi-manual testing). I had done some work in:

src/tinyPages/sandbox.js Outdated Show resolved Hide resolved
webpack.config.js Show resolved Hide resolved
src/contentScript/sidebarDomControllerLite.ts Outdated Show resolved Hide resolved
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Cool! I didn't realize that the sandbox is inserted into a page vs. a single sandbox (similar to the singleton background page)

I'm tempted to add postMessage support to the Messenger, but I'm afraid to make it even more complicated (including its semi-manual testing)

Agree that for now using the Messenger isn't important given that there's only 1-3 message types we'll be using for sandbox (render template, validation JSON Schema form, potentially run jq). The main thing is to be able to wrap in a async interface to simplify calling code

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Messaging also set up, 80%. Current result:

Screen Shot 1

src/sandbox/messenger/api.ts Outdated Show resolved Hide resolved
src/sandbox/messenger/api.ts Outdated Show resolved Hide resolved
src/sandbox/messenger/registration.ts Outdated Show resolved Hide resolved
src/utils/postMessage.ts Fixed Show resolved Hide resolved
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codecov bot commented Nov 26, 2022

Codecov Report

Merging #4701 (8e763be) into main (b4efabb) will increase coverage by 0.04%.
The diff coverage is 70.73%.

@@            Coverage Diff             @@
##             main    #4701      +/-   ##
==========================================
+ Coverage   53.79%   53.84%   +0.04%     
==========================================
  Files         935      941       +6     
  Lines       27766    27846      +80     
  Branches     5365     5369       +4     
==========================================
+ Hits        14937    14993      +56     
- Misses      12829    12853      +24     
Impacted Files Coverage Δ
src/contentScript/contentScriptCore.ts 0.00% <0.00%> (ø)
src/sandbox/messenger/api.ts 0.00% <0.00%> (ø)
src/sandbox/messenger/registration.ts 0.00% <0.00%> (ø)
src/sandbox/sandbox.ts 0.00% <0.00%> (ø)
src/utils/shadowWrap.ts 0.00% <ø> (ø)
src/sandbox/messenger/executor.ts 44.44% <44.44%> (ø)
src/utils.ts 66.79% <66.66%> (-0.01%) ⬇️
src/utils/postMessage.ts 93.93% <93.93%> (ø)
src/blocks/transformers/jq.ts 93.33% <100.00%> (ø)
src/utils/injectIframe.tsx 100.00% <100.00%> (ø)

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This is ready for a first review and live testing with JQ.

Before merge:

  • Do extended testing of the JQ brick — it seems to work but does it match the previous expectations?
  • Update tests

/* webpackChunkName: "jq-web" */ "jq-web"
);

return jq.promised.json(input, filter);
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Live testing:

Screen Shot 7

);

nunjucks.configure({ autoescape });
return nunjucks.renderString(template, context);
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Status:

  • implemented safer response mechanism
  • added tests
  • added sandbox mock/bypass for non-sandbox tests
  • sandboxed JQ seems to work in MV2
  • the JQ brick does not seem to work in MV3 still, due to unsafe-eval, potentially due to nunjucks

What's left?

  • Do you have any ready-made JQ blueprints that you could run to ensure they actually work (in MV2)?
  • I may have somehow broken useUndo.test.ts locally. On CI the tests silently fail altogether, Jest may be going in a loop somehow

*
* Prior art: https://groups.google.com/a/chromium.org/g/chromium-extensions/c/IPJSfjNSgh8/m/Dh35-tZPAgAJ
* Relevant discussion: https://github.com/w3c/webextensions/issues/78
*/
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@fregante fregante Dec 11, 2022

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Long comment FYI

@fregante fregante marked this pull request as ready for review December 11, 2022 18:17
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image

@twschiller twschiller merged commit f427bbc into main Dec 12, 2022
@twschiller twschiller deleted the F/mv3/sandbox branch December 12, 2022 20:52
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Move template engine and brick evaluation to Chrome sandbox
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