| 1 | import assert from "node:assert/strict"; |
| 2 | import { mkdirSync, mkdtempSync, rmSync, statSync, writeFileSync } from "node:fs"; |
| 3 | import { tmpdir } from "node:os"; |
| 4 | import { join } from "node:path"; |
| 5 | import { after, before, test } from "node:test"; |
| 6 | import { isForwardedPath, registerAppProtocol, resolveDistRoot, routeAppRequest } from "./protocol.js"; |
| 7 | |
| 8 | let dist = ""; |
| 9 | const isFile = (path: string) => { |
| 10 | try { |
| 11 | return statSync(path).isFile(); |
| 12 | } catch { |
| 13 | return false; |
| 14 | } |
| 15 | }; |
| 16 | const route = (url: string) => routeAppRequest(url, dist, isFile); |
| 17 | |
| 18 | test("normal app documents do not pre-enable a profiling engine", async () => { |
| 19 | let handler!: (request: Request) => Promise<Response> | Response; |
| 20 | registerAppProtocol({ |
| 21 | protocol: { handle: (_scheme, callback) => { handler = callback; } }, |
| 22 | fetch: async () => new Response("forwarded"), distRoot: dist, resources: () => null, |
| 23 | log: { info() {}, warn() {}, error() {} }, |
| 24 | }); |
| 25 | const response = await handler(new Request("reasonix://app/")); |
| 26 | assert.equal(response.headers.get("Document-Policy"), null); |
| 27 | await response.text(); |
| 28 | }); |
| 29 | |
| 30 | before(() => { |
| 31 | dist = mkdtempSync(join(tmpdir(), "reasonix-dist-")); |
| 32 | mkdirSync(join(dist, "assets"), { recursive: true }); |
| 33 | writeFileSync(join(dist, "index.html"), "<!doctype html>"); |
| 34 | writeFileSync(join(dist, "assets", "app.js"), "export {};"); |
| 35 | writeFileSync(join(dist, "assets", "styles.css"), "body{}"); |
| 36 | writeFileSync(join(dist, "assets", "font.woff2"), ""); |
| 37 | }); |
| 38 | |
| 39 | after(() => rmSync(dist, { recursive: true, force: true })); |
| 40 | |
| 41 | test("the root and existing files under dist are served with their MIME types", () => { |
| 42 | assert.deepEqual(route("reasonix://app/"), { kind: "file", path: join(dist, "index.html"), mime: "text/html; charset=utf-8" }); |
| 43 | assert.deepEqual(route("reasonix://app"), { kind: "file", path: join(dist, "index.html"), mime: "text/html; charset=utf-8" }); |
| 44 | assert.deepEqual(route("reasonix://app/index.html?boot=1"), { kind: "file", path: join(dist, "index.html"), mime: "text/html; charset=utf-8" }); |
| 45 | assert.deepEqual(route("reasonix://app/assets/app.js"), { kind: "file", path: join(dist, "assets", "app.js"), mime: "text/javascript; charset=utf-8" }); |
| 46 | assert.equal(route("reasonix://app/assets/styles.css").kind, "file"); |
| 47 | assert.equal((route("reasonix://app/assets/font.woff2") as { mime: string }).mime, "font/woff2"); |
| 48 | }); |
| 49 | |
| 50 | test("index.html is not a fallback for other paths", () => { |
| 51 | assert.equal(route("reasonix://app/settings").kind, "notFound"); |
| 52 | assert.equal(route("reasonix://app/assets/").kind, "notFound"); |
| 53 | assert.equal(route("reasonix://app/assets/missing.js").kind, "notFound"); |
| 54 | }); |
| 55 | |
| 56 | test("traversal, absolute escapes and odd hosts are rejected", () => { |
| 57 | // The WHATWG parser collapses literal and %2e-encoded dot segments before |
| 58 | // routing, exactly as Chromium does for a standard scheme, so these can only |
| 59 | // land inside dist; the encoded-slash and backslash forms must still fail. |
| 60 | assert.equal(route("reasonix://app/../index.html").kind, "file"); |
| 61 | assert.equal(route("reasonix://app/%2e%2e/index.html").kind, "file"); |
| 62 | assert.equal(route("reasonix://app/assets/../../etc/passwd").kind, "notFound"); |
| 63 | assert.equal(route("reasonix://app/assets/%2e%2e/%2e%2e/etc/passwd").kind, "notFound"); |
| 64 | for (const url of [ |
| 65 | "reasonix://app//etc/passwd", |
| 66 | "reasonix://app/assets/..%2Fapp.js", |
| 67 | "reasonix://app/assets%5Capp.js", |
| 68 | "reasonix://app/%00", |
| 69 | "reasonix://evil/index.html", |
| 70 | "http://app/index.html", |
| 71 | "not a url", |
| 72 | ]) { |
| 73 | assert.equal(route(url).kind, "notFound", url); |
| 74 | } |
| 75 | }); |
| 76 | |
| 77 | test("only the resource prefixes forward to the loopback origin, query included", () => { |
| 78 | assert.deepEqual(route("reasonix://app/__reasonix_workspace_media/tok/a.png"), { kind: "forward", target: "/__reasonix_workspace_media/tok/a.png" }); |
| 79 | assert.deepEqual(route("reasonix://app/__reasonix_theme_asset/x.jpg?v=2"), { kind: "forward", target: "/__reasonix_theme_asset/x.jpg?v=2" }); |
| 80 | assert.deepEqual(route("reasonix://app/__reasonix_remote_markdown_image?url=https%3A%2F%2Fx"), { |
| 81 | kind: "forward", |
| 82 | target: "/__reasonix_remote_markdown_image?url=https%3A%2F%2Fx", |
| 83 | }); |
| 84 | assert.equal(isForwardedPath("/__reasonix_remote_markdown_imagex"), false); |
| 85 | assert.equal(isForwardedPath("/__reasonix_workspace_media"), false); |
| 86 | assert.equal(route("reasonix://app/__shell/quit").kind, "notFound"); |
| 87 | }); |
| 88 | |
| 89 | test("the dist root honours the override, then packaging layout", () => { |
| 90 | assert.equal(resolveDistRoot({ env: { REASONIX_FRONTEND_DIST: "/tmp/dist" }, appPath: "/app/electron", resourcesPath: "/res", packaged: true }), "/tmp/dist"); |
| 91 | assert.equal(resolveDistRoot({ env: {}, appPath: "/app/electron", resourcesPath: "/res", packaged: false }), "/app/frontend/dist"); |
| 92 | assert.equal(resolveDistRoot({ env: {}, appPath: "/app/electron", resourcesPath: "/res", packaged: true }), "/res/app"); |
| 93 | }); |
| 94 |