Files
sproutclaw/packages/coding-agent/test/export-html-xss.test.ts
2026-04-27 23:22:06 +02:00

35 lines
1.4 KiB
TypeScript

import { readFileSync } from "fs";
import { describe, expect, it } from "vitest";
describe("export HTML markdown link sanitization", () => {
const templateJs = readFileSync(new URL("../src/core/export-html/template.js", import.meta.url), "utf-8");
it("overrides the marked link renderer to block javascript: protocol", () => {
// The custom link renderer must check for dangerous protocols
expect(templateJs).toMatch(/link\s*\(\s*token\s*\)/);
expect(templateJs).toMatch(/javascript/i);
expect(templateJs).toMatch(/vbscript/i);
});
it("overrides the marked image renderer to block javascript: protocol", () => {
expect(templateJs).toMatch(/image\s*\(\s*token\s*\)/);
});
it("escapes href attributes in the custom link renderer", () => {
// The link renderer must escape href values to prevent attribute breakout
expect(templateJs).toMatch(/escapeHtml\(href\)/);
});
it("escapes image mimeType attributes", () => {
// Image mimeType must be escaped to prevent attribute breakout
expect(templateJs).not.toMatch(/\$\{img\.mimeType\}/);
expect(templateJs).toMatch(/escapeHtml\(img\.mimeType/);
});
it("escapes image data attributes", () => {
// Image data is embedded in src attributes and must not allow attribute breakout.
expect(templateJs).not.toMatch(/;base64,\$\{img\.data\}"/);
expect(templateJs).toMatch(/;base64,\$\{escapeHtml\(img\.data \|\| (?:''|"")\)\}"/);
});
});