pi-mono/packages/coding-agent/test/export-html-xss.test.ts

62 lines
3 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\(img\.data \|\| (?:''|"")\)\}"/);
});
it("escapes entry IDs before inserting them into attributes", () => {
// Session entry IDs are embedded in id and data-entry-id attributes.
expect(templateJs).not.toMatch(/id="\$\{entryId\}"/);
expect(templateJs).not.toMatch(/data-entry-id="\$\{entryId\}"/);
expect(templateJs).toMatch(/entry-\$\{escapeHtml\(entry\.id\)\}/);
expect(templateJs).toMatch(/data-entry-id="\$\{escapeHtml\(entryId\)\}"/);
});
it("escapes tree metadata rendered from session fields", () => {
// The tree renders session metadata via innerHTML, so dynamic fields must be escaped.
expect(templateJs).not.toMatch(/\[\$\{msg\.toolName \|\| 'tool'\}\]/);
expect(templateJs).not.toMatch(/\[\$\{msg\.role\}\]/);
expect(templateJs).not.toMatch(/\[model: \$\{entry\.modelId\}\]/);
expect(templateJs).not.toMatch(/\[thinking: \$\{entry\.thinkingLevel\}\]/);
expect(templateJs).not.toMatch(/\[\$\{entry\.type\}\]/);
expect(templateJs).toMatch(/\$\{escapeHtml\(msg\.toolName \|\| 'tool'\)\}/);
expect(templateJs).toMatch(/\$\{escapeHtml\(msg\.role\)\}/);
expect(templateJs).toMatch(/\$\{escapeHtml\(entry\.modelId\)\}/);
expect(templateJs).toMatch(/\$\{escapeHtml\(entry\.thinkingLevel\)\}/);
expect(templateJs).toMatch(/\$\{escapeHtml\(entry\.type\)\}/);
});
it("escapes model names in the exported header", () => {
// Assistant message provider/model values are collected from the session and rendered with innerHTML.
expect(templateJs).not.toMatch(/\$\{globalStats\.models\.join\(', '\) \|\| 'unknown'\}/);
expect(templateJs).toMatch(/\$\{escapeHtml\(globalStats\.models\.join\(', '\) \|\| 'unknown'\)\}/);
});
});