Files
ELY-Browser/cloudflare/tests/devices_approval_routes.test.ts

435 lines
14 KiB
TypeScript

import assert from "node:assert/strict";
import { describe, it } from "node:test";
import { authSessionCacheKvKey, authTokenHash } from "../src/auth.js";
import { deviceApprovalProofBytes } from "../src/device_approval_proof.js";
import { handleRequest } from "../src/index.js";
import {
ACCESS_TOKEN,
PUBLIC_KEY,
WRAPPING_PUBLIC_KEY,
sessionDocument,
signDeviceMessage,
testD1Database,
testEnv,
} from "./devices_test_support.js";
const DEVICE_APPROVAL_IDEMPOTENCY_KEY = "device-approval-0001";
const KEY_ID = "a".repeat(64);
const GENERATION = 1;
const SUITE = "HPKE-BASE-X25519-HKDF-SHA256-CHACHA20POLY1305";
const ENCAPPED_KEY = "A".repeat(43);
const CIPHERTEXT = "B".repeat(64);
describe("device approval routes", () => {
it("matches the frozen cross-runtime approval proof vector", async () => {
const body = await deviceApprovalBody({ proof_created_at: 1_780_000_300 });
assert.equal(
body.approval_proof,
"f12fb7a5f7f20551bd22d0fcf8f5787d49f6202f89e42c332c248772fd9a59c82a9d8b6ac47ea84340170fc1555fc74d70a0d6ba3541df257882d46d6d79d901",
);
});
it("approves a pending device from an approved current device", async () => {
const tokenHash = await authTokenHash(ACCESS_TOKEN);
const d1 = testD1Database({
firstRows: [
deviceRow({ device_id: "device-01", approval_status: "approved" }),
null,
deviceRow({ device_id: "device-02", approval_status: "pending", approved_at: null }),
deviceRow({
device_id: "device-02",
approval_status: "approved",
approved_at: 1_780_000_300,
}),
approvalEnvelopeRow(),
],
});
const response = await handleRequest(
new Request("https://elydora.test/api/devices/approve", {
method: "POST",
headers: {
authorization: `Bearer ${ACCESS_TOKEN}`,
"content-type": "application/json",
},
body: JSON.stringify(await deviceApprovalBody()),
}),
testEnv({
d1,
kvEntries: [[authSessionCacheKvKey("local", tokenHash), sessionDocument("device-01")]],
}),
);
assert.equal(response.status, 200);
assert.equal(response.headers.get("cache-control"), "no-store");
assert.deepEqual(await response.json(), {
version: 1,
user_id: "user-01",
approved_by_device_id: "device-01",
approved_at: 1_780_000_300,
device: {
device_id: "device-02",
public_key: PUBLIC_KEY,
wrapping_public_key: WRAPPING_PUBLIC_KEY,
device_name: "MacBook Pro",
platform: "macOS",
approval_status: "approved",
created_at: 1_780_000_000,
approved_at: 1_780_000_300,
last_active_at: 1_780_000_020,
revoked_at: null,
current: false,
},
});
assert.equal(d1.batches[0], 3);
assert.ok(d1.queries[0]?.includes("approval_status = 'approved'"));
assert.ok(d1.queries[0]?.includes("key_protocol_version = 2"));
assert.ok(d1.queries[1]?.includes("FROM device_approvals"));
assert.ok(d1.queries[3]?.includes("INSERT INTO sync_vault_envelopes"));
assert.ok(d1.queries[4]?.includes("INSERT INTO device_approvals"));
assert.ok(d1.queries[5]?.includes("UPDATE user_devices"));
assert.ok(d1.queries[5]?.includes("sync_vault_envelopes"));
assert.ok(d1.queries[7]?.includes("current_key_id"));
assert.deepEqual(d1.binds[0], ["user-01", "device-01"]);
assert.deepEqual(d1.binds[1], ["user-01", DEVICE_APPROVAL_IDEMPOTENCY_KEY]);
assert.deepEqual(d1.binds[2], ["user-01", "device-02"]);
assert.deepEqual(d1.binds[3]?.slice(0, 5), [
"user-01",
"device-02",
"device-01",
KEY_ID,
GENERATION,
]);
assert.deepEqual(d1.binds[4]?.slice(0, 4), [
"user-01",
DEVICE_APPROVAL_IDEMPOTENCY_KEY,
"device-02",
"device-01",
]);
assert.equal(d1.binds[4]?.[7], DEVICE_APPROVAL_IDEMPOTENCY_KEY);
assert.deepEqual(d1.binds[6], ["user-01", "device-02"]);
assert.deepEqual(d1.binds[7], ["user-01", "device-02"]);
});
it("returns the existing approval for an idempotent replay", async () => {
const tokenHash = await authTokenHash(ACCESS_TOKEN);
const d1 = testD1Database({
firstRows: [
deviceRow({ device_id: "device-01", approval_status: "approved" }),
{
device_id: "device-02",
requester_device_id: "device-01",
status: "approved",
decided_at: 1_780_000_300,
},
deviceRow({
device_id: "device-02",
approval_status: "approved",
approved_at: 1_780_000_300,
}),
approvalEnvelopeRow(),
],
});
const response = await handleRequest(
new Request("https://elydora.test/api/devices/approve", {
method: "POST",
headers: {
authorization: `Bearer ${ACCESS_TOKEN}`,
"content-type": "application/json",
},
body: JSON.stringify(await deviceApprovalBody()),
}),
testEnv({
d1,
kvEntries: [[authSessionCacheKvKey("local", tokenHash), sessionDocument("device-01")]],
}),
);
assert.equal(response.status, 200);
const body = (await response.json()) as { approved_at: number };
assert.equal(body.approved_at, 1_780_000_300);
assert.deepEqual(d1.batches, []);
assert.equal(d1.queries.length, 4);
assert.deepEqual(d1.binds, [
["user-01", "device-01"],
["user-01", DEVICE_APPROVAL_IDEMPOTENCY_KEY],
["user-01", "device-02"],
["user-01", "device-02"],
]);
});
it("rejects an approval replay with different wrapped key material", async () => {
const d1 = testD1Database({
firstRows: [
deviceRow({ device_id: "device-01", approval_status: "approved" }),
{
device_id: "device-02",
requester_device_id: "device-01",
status: "approved",
decided_at: 1_780_000_300,
},
deviceRow({ device_id: "device-02", approval_status: "approved" }),
approvalEnvelopeRow({ ciphertext: "C".repeat(64) }),
],
});
const response = await approvalRequest(d1, await deviceApprovalBody());
assert.equal(response.status, 403);
assert.deepEqual(await response.json(), { error: "device_approval_forbidden" });
assert.deepEqual(d1.batches, []);
});
it("rejects approval replays with a different current key or generation", async () => {
for (const override of [{ key_id: "b".repeat(64) }, { generation: 2 }]) {
const d1 = testD1Database({
firstRows: [
deviceRow({ device_id: "device-01", approval_status: "approved" }),
{
device_id: "device-02",
requester_device_id: "device-01",
status: "approved",
decided_at: 1_780_000_300,
},
deviceRow({ device_id: "device-02", approval_status: "approved" }),
approvalEnvelopeRow(),
],
});
const response = await approvalRequest(d1, await deviceApprovalBody(override));
assert.equal(response.status, 403);
assert.deepEqual(await response.json(), { error: "device_approval_forbidden" });
assert.deepEqual(d1.batches, []);
}
});
it("keeps the target pending when the current vault envelope cannot be written", async () => {
const d1 = testD1Database({
firstRows: [
deviceRow({ device_id: "device-01", approval_status: "approved" }),
null,
deviceRow({ device_id: "device-02", approval_status: "pending", approved_at: null }),
deviceRow({ device_id: "device-02", approval_status: "pending", approved_at: null }),
],
});
const response = await approvalRequest(d1, await deviceApprovalBody());
assert.equal(response.status, 409);
assert.deepEqual(await response.json(), { error: "device_approval_conflict" });
assert.ok(d1.queries[4]?.includes("WHERE EXISTS"));
assert.ok(d1.queries[5]?.includes("AND EXISTS"));
});
it("rejects approval from a current device that is not approved", async () => {
const tokenHash = await authTokenHash(ACCESS_TOKEN);
const d1 = testD1Database({ firstRows: [null] });
const response = await handleRequest(
new Request("https://elydora.test/api/devices/approve", {
method: "POST",
headers: {
authorization: `Bearer ${ACCESS_TOKEN}`,
"content-type": "application/json",
},
body: JSON.stringify(await deviceApprovalBody()),
}),
testEnv({
d1,
kvEntries: [[authSessionCacheKvKey("local", tokenHash), sessionDocument("device-01")]],
}),
);
assert.equal(response.status, 403);
assert.deepEqual(await response.json(), { error: "device_approval_forbidden" });
assert.deepEqual(d1.batches, []);
});
it("rejects a tampered current-device proof before approval state reads", async () => {
const d1 = testD1Database({
firstRows: [deviceRow({ device_id: "device-01", approval_status: "approved" })],
});
const body = await deviceApprovalBody();
body.approval_proof = "0".repeat(128);
const response = await approvalRequest(d1, body);
assert.equal(response.status, 403);
assert.deepEqual(await response.json(), { error: "device_approval_forbidden" });
assert.deepEqual(d1.batches, []);
assert.equal(d1.queries.length, 1);
});
it("requires a recent proof for a new approval", async () => {
const d1 = testD1Database({
firstRows: [
deviceRow({ device_id: "device-01", approval_status: "approved" }),
null,
],
});
const response = await approvalRequest(
d1,
await deviceApprovalBody({ proof_created_at: 1_700_000_000 }),
);
assert.equal(response.status, 403);
assert.deepEqual(await response.json(), { error: "device_approval_forbidden" });
assert.deepEqual(d1.batches, []);
assert.equal(d1.queries.length, 2);
});
it("rejects self approval before D1 writes", async () => {
const tokenHash = await authTokenHash(ACCESS_TOKEN);
const d1 = testD1Database([]);
const response = await handleRequest(
new Request("https://elydora.test/api/devices/approve", {
method: "POST",
headers: {
authorization: `Bearer ${ACCESS_TOKEN}`,
"content-type": "application/json",
},
body: JSON.stringify(await deviceApprovalBody({ device_id: "device-01" })),
}),
testEnv({
d1,
kvEntries: [[authSessionCacheKvKey("local", tokenHash), sessionDocument("device-01")]],
}),
);
assert.equal(response.status, 403);
assert.deepEqual(d1.queries, []);
});
it("rejects invalid approval payloads before D1 writes", async () => {
const tokenHash = await authTokenHash(ACCESS_TOKEN);
const d1 = testD1Database([]);
const response = await handleRequest(
new Request("https://elydora.test/api/devices/approve", {
method: "POST",
headers: {
authorization: `Bearer ${ACCESS_TOKEN}`,
"content-type": "application/json",
},
body: JSON.stringify(await deviceApprovalBody({ idempotency_key: "short" })),
}),
testEnv({
d1,
kvEntries: [[authSessionCacheKvKey("local", tokenHash), sessionDocument("device-01")]],
}),
);
assert.equal(response.status, 400);
assert.deepEqual(await response.json(), { error: "invalid_device_approval" });
assert.deepEqual(d1.queries, []);
});
it("rejects unauthenticated device approval before D1 writes", async () => {
const d1 = testD1Database([]);
const response = await handleRequest(
new Request("https://elydora.test/api/devices/approve", {
method: "POST",
headers: { "content-type": "application/json" },
body: JSON.stringify(await deviceApprovalBody()),
}),
testEnv({ d1 }),
);
assert.equal(response.status, 401);
assert.deepEqual(await response.json(), { error: "authorization_missing" });
assert.deepEqual(d1.queries, []);
});
});
async function deviceApprovalBody(
overrides: Record<string, unknown> = {},
): Promise<Record<string, unknown>> {
const body: Record<string, unknown> = {
version: 2,
device_id: "device-02",
key_id: KEY_ID,
generation: GENERATION,
envelope: wrappedEnvelope(),
idempotency_key: DEVICE_APPROVAL_IDEMPOTENCY_KEY,
proof_created_at: Math.floor(Date.now() / 1000),
...overrides,
};
const envelope = body.envelope as {
version: 1;
suite: typeof SUITE;
encapped_key: string;
ciphertext: string;
};
body.approval_proof = await signDeviceMessage(deviceApprovalProofBytes(
"user-01",
"device-01",
{
deviceId: String(body.device_id),
keyId: String(body.key_id),
generation: Number(body.generation),
envelope,
idempotencyKey: String(body.idempotency_key),
proofCreatedAt: Number(body.proof_created_at),
},
));
return body;
}
function deviceRow(overrides: Record<string, unknown>): Record<string, unknown> {
return {
device_id: "device-01",
public_key: PUBLIC_KEY,
signing_public_key: PUBLIC_KEY,
wrapping_public_key: WRAPPING_PUBLIC_KEY,
device_name: "MacBook Pro",
platform: "macOS",
approval_status: "approved",
created_at: 1_780_000_000,
approved_at: 1_780_000_010,
last_active_at: 1_780_000_020,
revoked_at: null,
...overrides,
};
}
function wrappedEnvelope(): Record<string, unknown> {
return {
version: 1,
suite: SUITE,
encapped_key: ENCAPPED_KEY,
ciphertext: CIPHERTEXT,
};
}
function approvalEnvelopeRow(overrides: Record<string, unknown> = {}): Record<string, unknown> {
return {
key_id: KEY_ID,
generation: GENERATION,
recipient_device_id: "device-02",
approver_device_id: "device-01",
envelope_version: 1,
suite: SUITE,
encapped_key: ENCAPPED_KEY,
ciphertext: CIPHERTEXT,
idempotency_key: DEVICE_APPROVAL_IDEMPOTENCY_KEY,
...overrides,
};
}
function approvalRequest(
d1: ReturnType<typeof testD1Database>,
body: Record<string, unknown>,
): Promise<Response> {
return handleRequest(
new Request("https://elydora.test/api/devices/approve", {
method: "POST",
headers: {
authorization: `Bearer ${ACCESS_TOKEN}`,
"content-type": "application/json",
},
body: JSON.stringify(body),
}),
testEnv({ d1 }),
);
}