Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Fix markdown escaping wrongly passing html through #28363

Merged
merged 2 commits into from
Nov 4, 2024
Merged

Fix markdown escaping wrongly passing html through #28363

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
e247437
Fix markdown escaping wrongly passing html through
t3chguy Nov 1, 2024
10e37a2
Add comment
t3chguy Nov 4, 2024
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
4 changes: 3 additions & 1 deletion src/Markdown.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -383,6 +383,8 @@ export default class Markdown {
if (isMultiLine(node) && node.next) this.lit("\n\n");
};

return renderer.render(this.parsed);
renderer.esc = (input: string) => input;
Copy link
Member

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Can you add a comment here explaining why there's no escaping done here?


return escape(renderer.render(this.parsed));
}
}
16 changes: 15 additions & 1 deletion test/unit-tests/editor/serialize-test.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,7 @@ Please see LICENSE files in the repository root for full details.
import { mocked } from "jest-mock";

import EditorModel from "../../../src/editor/model";
import { htmlSerializeIfNeeded } from "../../../src/editor/serialize";
import { htmlSerializeFromMdIfNeeded, htmlSerializeIfNeeded } from "../../../src/editor/serialize";
import { createPartCreator } from "./mock";
import { IConfigOptions } from "../../../src/IConfigOptions";
import SettingsStore from "../../../src/settings/SettingsStore";
Expand Down Expand Up @@ -71,6 +71,12 @@ describe("editor/serialize", function () {
const html = htmlSerializeIfNeeded(model, {});
expect(html).toBe("*hello* world");
});
it("escaped markdown should not retain backslashes around other markdown", function () {
const pc = createPartCreator();
const model = new EditorModel([pc.plain("\\*hello\\* **world**")], pc);
const html = htmlSerializeIfNeeded(model, {});
expect(html).toBe("*hello* <strong>world</strong>");
});
it("escaped markdown should convert HTML entities", function () {
const pc = createPartCreator();
const model = new EditorModel([pc.plain("\\*hello\\* world < hey world!")], pc);
Expand Down Expand Up @@ -153,6 +159,14 @@ describe("editor/serialize", function () {
const html = htmlSerializeIfNeeded(model, { forceHTML: true, useMarkdown: false });
expect(html).toBe("hello world");
});
it("should treat tags not in allowlist as plaintext", () => {
const html = htmlSerializeFromMdIfNeeded("<b>test</b>", {});
expect(html).toBeUndefined();
});
it("should treat tags not in allowlist as plaintext even if escaped", () => {
const html = htmlSerializeFromMdIfNeeded("\\<b>test</b>", {});
expect(html).toBe("&lt;b&gt;test&lt;/b&gt;");
});
});

describe("feature_latex_maths", () => {
Expand Down
Loading