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ThothII/backend/test/auth-production-csrf.test.ts
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import { afterAll, beforeAll, expect, test } from "vitest";
import { createLocalAuthFixture, type LocalAuthFixture, localPublicUrl } from "./auth-test-fixtures.js";
interface StateChangingRoute {
family: string;
method: "POST" | "PUT" | "DELETE";
url: string;
}
const stateChangingRoutes: readonly StateChangingRoute[] = [
{ family: "auth logout", method: "POST", url: "/auth/logout" },
{ family: "runtime prewarm", method: "POST", url: "/runtime/prewarm" },
{ family: "session create", method: "POST", url: "/sessions" },
{ family: "session mutation", method: "POST", url: "/sessions/session-1/response" },
{ family: "session mutation", method: "POST", url: "/sessions/session-1/steer" },
{ family: "session mutation", method: "POST", url: "/sessions/session-1/resume" },
{ family: "session mutation", method: "POST", url: "/sessions/session-1/close" },
{ family: "session mutation", method: "POST", url: "/sessions/session-1/rename" },
{ family: "session mutation", method: "POST", url: "/sessions/session-1/group" },
{ family: "session archive", method: "POST", url: "/sessions/session-1/archive" },
{ family: "session archive", method: "POST", url: "/sessions/session-1/unarchive" },
{ family: "session delete", method: "DELETE", url: "/sessions/session-1" },
{ family: "SQL preview", method: "POST", url: "/sessions/session-1/sql/preview" },
{ family: "SQL export", method: "POST", url: "/sessions/session-1/sql/export" },
{ family: "workspace registry", method: "POST", url: "/workspace-registry/pull" },
{ family: "workspace validation", method: "POST", url: "/workspaces/validate" },
{ family: "workspace secrets", method: "PUT", url: "/workspaces/workspace-1/secrets" },
{ family: "workspace secrets", method: "DELETE", url: "/workspaces/workspace-1/secrets/secret-1" },
{ family: "workspace diagnostics", method: "POST", url: "/workspaces/workspace-1/test" },
{ family: "settings", method: "PUT", url: "/settings" },
{ family: "Pi management", method: "PUT", url: "/pi-management/config" },
{ family: "Pi management", method: "POST", url: "/pi-management/test" },
{ family: "maintenance", method: "POST", url: "/internal/maintenance/activate" },
{ family: "maintenance", method: "POST", url: "/internal/maintenance/deactivate" },
];
let fixture: LocalAuthFixture;
beforeAll(async () => {
fixture = await createLocalAuthFixture();
});
afterAll(async () => {
await fixture.close();
});
test.each(stateChangingRoutes)(
"$family $method $url rejects every production CSRF/session-boundary failure before downstream code",
async ({ method, url }) => {
const failures: Array<{ expectedStatus: number; headers: Record<string, string> }> = [
{ expectedStatus: 403, headers: fixture.sessionHeaders({ "x-thothii-csrf": undefined }) },
{ expectedStatus: 403, headers: fixture.sessionHeaders({ "x-thothii-csrf": "malformed" }) },
{ expectedStatus: 403, headers: fixture.sessionHeaders({ "x-thothii-csrf": `${fixture.csrfToken}, ${fixture.csrfToken}` }) },
{ expectedStatus: 403, headers: fixture.sessionHeaders({ "x-thothii-csrf": "x".repeat(4097) }) },
{ expectedStatus: 401, headers: fixture.sessionHeaders({ cookie: undefined }) },
{ expectedStatus: 401, headers: fixture.sessionHeaders({ cookie: "thothii_session=not-a-token" }) },
{ expectedStatus: 401, headers: fixture.sessionHeaders({ cookie: `${fixture.cookie}; ${fixture.cookie}` }) },
{ expectedStatus: 401, headers: fixture.sessionHeaders({ cookie: `${fixture.cookie}; padding=${"x".repeat(4097)}` }) },
{ expectedStatus: 403, headers: fixture.sessionHeaders({ origin: undefined }) },
{ expectedStatus: 403, headers: fixture.sessionHeaders({ origin: "http://wrong.example.test" }) },
{ expectedStatus: 403, headers: fixture.sessionHeaders({ origin: `${localPublicUrl}, ${localPublicUrl}` }) },
{ expectedStatus: 403, headers: fixture.sessionHeaders({ origin: `${localPublicUrl}${"x".repeat(4097)}` }) },
{ expectedStatus: 403, headers: fixture.sessionHeaders({ "sec-fetch-site": "cross-site" }) },
{ expectedStatus: 403, headers: fixture.sessionHeaders({ "sec-fetch-site": "same-origin, same-origin" }) },
];
for (const { expectedStatus, headers } of failures) {
fixture.resetDownstreamHits();
const response = await fixture.app.inject({ method, url, headers, payload: {} });
expect(response.statusCode).toBe(expectedStatus);
expect(response.json()).toEqual(expectedStatus === 403
? { code: "csrf_failed", error: "Request origin validation failed" }
: { code: "authentication_required", error: "Authentication is required" });
expect(fixture.downstreamHits()).toBe(0);
}
},
);
test("a valid real local session cookie and derived CSRF token cross the same production boundary", async () => {
fixture.resetDownstreamHits();
const response = await fixture.app.inject({
method: "PUT",
url: "/settings",
headers: fixture.sessionHeaders(),
payload: {},
});
expect(response.statusCode).toBe(200);
expect(fixture.downstreamHits()).toBe(1);
expect(localPublicUrl).toBe("http://127.0.0.1:8787");
});
test("a valid control may omit optional Fetch Metadata while retaining its exact Origin and CSRF pair", async () => {
fixture.resetDownstreamHits();
const response = await fixture.app.inject({
method: "PUT",
url: "/settings",
headers: fixture.sessionHeaders({ "sec-fetch-site": undefined }),
payload: {},
});
expect(response.statusCode).toBe(200);
expect(fixture.downstreamHits()).toBe(1);
});