299 lines
11 KiB
Python
299 lines
11 KiB
Python
import json
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import subprocess
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from pathlib import Path
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import pytest
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from src.views import login
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ROOT = Path(__file__).resolve().parents[1]
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LOGIN_JS = ROOT / "frontend" / "login.js"
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def test_expired_session_reason_explains_preserved_private_work():
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harness = f"""
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const createLoginController = require({json.dumps(str(LOGIN_JS))});
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const status = {{ textContent: '' }};
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const controller = createLoginController({{
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form: {{ reset: () => {{}} }}, status, button: {{ disabled: false }},
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fetchImpl: async () => new Response('{{}}', {{ status: 200 }}),
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location: {{ replace: () => {{}} }},
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}});
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controller.showReason('session-expired');
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const expired = status.textContent;
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controller.showReason('https://evil.example/redirect');
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process.stdout.write(JSON.stringify({{ expired, ignored: status.textContent }}));
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"""
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result = subprocess.run(
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["node", "-e", harness], text=True, capture_output=True, check=True
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)
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state = json.loads(result.stdout)
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assert state["expired"] == (
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"Your session expired. Private drafts remain on this device. "
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"Sign in to continue."
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)
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assert state["ignored"] == state["expired"]
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def test_revoked_session_reason_clears_private_data_before_enabling_sign_in():
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harness = f"""
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const createLoginController = require({json.dumps(str(LOGIN_JS))});
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const state = {{cleared:false, snapshots:[]}};
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const status = {{textContent:''}};
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const button = {{disabled:false}};
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const controller = createLoginController({{
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form:{{reset:()=>{{}}}}, status, button,
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fetchImpl:async()=>new Response('{{}}',{{status:200}}),
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location:{{replace:()=>{{}}}},
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clearPrivateDeviceData:async()=>{{
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state.snapshots.push({{status:status.textContent,disabled:button.disabled}});
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await new Promise(resolve=>setTimeout(resolve,10));
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state.cleared=true;
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}},
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}});
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(async()=>{{
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const pending=controller.showReason('session-revoked');
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state.snapshots.push({{status:status.textContent,disabled:button.disabled}});
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await pending;
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state.final={{status:status.textContent,disabled:button.disabled,cleared:state.cleared}};
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process.stdout.write(JSON.stringify(state));
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}})().catch(error=>{{console.error(error);process.exit(1);}});
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"""
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result = subprocess.run(
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["node", "-e", harness], text=True, capture_output=True, check=True
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)
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state = json.loads(result.stdout)
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assert all(snapshot["disabled"] for snapshot in state["snapshots"])
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assert state["final"] == {
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"status": "This device was remotely signed out. Stackchain private data was cleared. Sign in to use it again.",
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"disabled": False,
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"cleared": True,
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}
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@pytest.mark.anyio
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async def test_login_loads_private_data_purger_before_controller():
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html = await login()
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assert '<script src="static/private-device-data.js"></script>' in html
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assert html.index('static/private-device-data.js') < html.index('static/login.js')
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def test_revoked_session_does_not_claim_success_when_purger_is_unavailable():
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harness = f"""
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const createLoginController = require({json.dumps(str(LOGIN_JS))});
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const status={{textContent:''}};
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const button={{disabled:false}};
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const controller=createLoginController({{
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form:{{reset:()=>{{}}}},status,button,
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fetchImpl:async()=>new Response('{{}}',{{status:200}}),location:{{replace:()=>{{}}}},
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}});
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(async()=>{{
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await controller.showReason('session-revoked');
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process.stdout.write(JSON.stringify({{status:status.textContent,disabled:button.disabled}}));
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}})();
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"""
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result = subprocess.run(
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["node", "-e", harness], text=True, capture_output=True, check=True
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)
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assert json.loads(result.stdout) == {
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"status": "This device was remotely signed out, but private data could not be cleared. Close other Stackchain tabs and clear this site’s data before signing in.",
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"disabled": True,
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}
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def test_rate_limited_login_disables_submit_and_counts_down():
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harness = f"""
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const createLoginController = require({json.dumps(str(LOGIN_JS))});
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const state = {{ reset: 0, interval: null }};
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const status = {{ textContent: '' }};
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const button = {{ disabled: false }};
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const form = {{ reset: () => state.reset += 1 }};
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const controller = createLoginController({{
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form, status, button,
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fetchImpl: async () => new Response(JSON.stringify({{ detail: 'Too many sign-in attempts' }}), {{ status: 429, headers: {{ 'Retry-After': '2' }} }}),
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location: {{ replace: () => {{}} }},
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setIntervalImpl: callback => {{ state.interval = callback; return 1; }},
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clearIntervalImpl: () => {{}},
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}});
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(async () => {{
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await controller.submit('never-store-this-token');
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state.initial = {{ disabled: button.disabled, status: status.textContent, reset: state.reset }};
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state.interval();
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state.afterTick = {{ disabled: button.disabled, status: status.textContent }};
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state.interval();
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state.finished = {{ disabled: button.disabled, status: status.textContent }};
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process.stdout.write(JSON.stringify(state));
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}})().catch(error => {{ console.error(error); process.exit(1); }});
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"""
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result = subprocess.run(
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["node", "-e", harness], text=True, capture_output=True, check=True
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)
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state = json.loads(result.stdout)
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assert state["initial"] == {
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"disabled": True,
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"status": "Too many attempts. Try again in 2 seconds.",
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"reset": 1,
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}
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assert state["afterTick"]["disabled"] is True
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assert state["finished"] == {
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"disabled": False,
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"status": "You can try signing in again.",
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}
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def test_successful_login_resumes_valid_shared_capture_continuation():
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harness = f"""
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const createLoginController = require({json.dumps(str(LOGIN_JS))});
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const state = {{ replaced: null }};
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const controller = createLoginController({{
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form: {{ reset: () => {{}} }}, status: {{ textContent: '' }}, button: {{ disabled: false }},
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fetchImpl: async () => new Response('{{}}', {{ status: 200 }}),
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location: {{ replace: value => state.replaced = value }},
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continuation: './?title=Production+crash&url=https%3A%2F%2Fexample.com',
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}});
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(async () => {{
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await controller.submit('operator-token');
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process.stdout.write(JSON.stringify(state));
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}})().catch(error => {{ console.error(error); process.exit(1); }});
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"""
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result = subprocess.run(
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["node", "-e", harness], text=True, capture_output=True, check=True
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)
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assert json.loads(result.stdout)["replaced"] == (
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"./?title=Production+crash&url=https%3A%2F%2Fexample.com"
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)
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def test_login_sends_a_bounded_device_label_with_the_access_token():
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harness = f"""
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const createLoginController = require({json.dumps(str(LOGIN_JS))});
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let request = null;
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const controller = createLoginController({{
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form: {{ reset: () => {{}} }}, status: {{ textContent: '' }}, button: {{ disabled: false }},
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fetchImpl: async (url, options) => {{ request = {{url, body: JSON.parse(options.body)}}; return new Response('{{}}', {{ status: 200 }}); }},
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location: {{ replace: () => {{}} }},
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}});
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(async () => {{
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await controller.submit('operator-token', 'Timmy’s Pixel');
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process.stdout.write(JSON.stringify(request));
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}})().catch(error => {{ console.error(error); process.exit(1); }});
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"""
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result = subprocess.run(
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["node", "-e", harness], text=True, capture_output=True, check=True
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)
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assert json.loads(result.stdout) == {
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"url": "api/v1/session",
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"body": {"access_token": "operator-token", "device_label": "Timmy’s Pixel"},
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}
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def test_shared_capture_login_explains_why_sign_in_is_required():
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harness = f"""
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const createLoginController = require({json.dumps(str(LOGIN_JS))});
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const status = {{ textContent: '' }};
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createLoginController({{
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form: {{ reset: () => {{}} }}, status, button: {{ disabled: false }},
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fetchImpl: async () => new Response('{{}}', {{ status: 200 }}),
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location: {{ replace: () => {{}} }}, continuation: './?title=Shared',
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}});
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process.stdout.write(status.textContent);
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"""
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result = subprocess.run(
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["node", "-e", harness], text=True, capture_output=True, check=True
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)
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assert result.stdout == "Sign in to continue your shared capture."
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def test_login_rejects_untrusted_or_non_share_continuations():
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harness = f"""
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const createLoginController = require({json.dumps(str(LOGIN_JS))});
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async function destination(continuation) {{
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let replaced = null;
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const controller = createLoginController({{
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form: {{ reset: () => {{}} }}, status: {{ textContent: '' }}, button: {{ disabled: false }},
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fetchImpl: async () => new Response('{{}}', {{ status: 200 }}),
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location: {{ replace: value => replaced = value }}, continuation,
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}});
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await controller.submit('operator-token');
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return replaced;
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}}
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(async () => {{
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process.stdout.write(JSON.stringify({{
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crossOrigin: await destination('https://evil.example/steal'),
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otherRoute: await destination('./settings?title=Shared'),
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extraField: await destination('./?title=Shared&next=https%3A%2F%2Fevil.example'),
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prototypeField: await destination('./?toString=Shared'),
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oversized: await destination('./?title=' + 'x'.repeat(201)),
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}}));
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}})().catch(error => {{ console.error(error); process.exit(1); }});
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"""
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result = subprocess.run(
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["node", "-e", harness], text=True, capture_output=True, check=True
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)
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assert json.loads(result.stdout) == {
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"crossOrigin": "./",
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"otherRoute": "./",
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"extraField": "./",
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"prototypeField": "./",
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"oversized": "./",
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}
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def test_login_bootstrap_continues_shared_capture_after_submit():
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harness = f"""
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const fs = require('fs');
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const vm = require('vm');
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const state = {{ replaced: null, submit: null }};
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const elements = {{
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'sign-in': {{ reset: () => {{}}, addEventListener: (_name, handler) => state.submit = handler }},
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'status': {{ textContent: '' }},
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'submit-sign-in': {{ disabled: false }},
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}};
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const context = {{
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URLSearchParams, Response, setInterval, clearInterval,
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FormData: function () {{ return {{ get: () => 'operator-token' }}; }},
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fetch: async () => new Response('{{}}', {{ status: 200 }}),
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document: {{ getElementById: id => elements[id] }},
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window: {{ location: {{
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search: '?continue=.%2F%3Ftitle%3DShared%2Blink%26url%3Dhttps%253A%252F%252Fexample.com',
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replace: value => state.replaced = value,
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}} }},
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}};
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context.fetch.bind = Function.prototype.bind;
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vm.createContext(context);
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vm.runInContext(fs.readFileSync({json.dumps(str(LOGIN_JS))}, 'utf8'), context);
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state.submit({{ preventDefault: () => {{}} }});
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setTimeout(() => process.stdout.write(JSON.stringify({{
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replaced: state.replaced, status: elements.status.textContent,
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}})), 0);
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"""
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result = subprocess.run(
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["node", "-e", harness], text=True, capture_output=True, check=True
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)
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assert json.loads(result.stdout) == {
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"replaced": "./?title=Shared+link&url=https%3A%2F%2Fexample.com",
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"status": "Signing in…",
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}
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@pytest.mark.anyio
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async def test_login_page_loads_rate_limit_controller():
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html = await login()
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assert '<script src="static/login.js"></script>' in html
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assert "main{box-sizing:border-box" in html
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assert '<p id="status" role="status" aria-live="polite"></p>' in html
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assert 'name="device_label"' in html
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assert 'maxlength="64"' in html
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