ticket #105 attempt 1

devplacepy/main.py

@@ -128,6 +128,9 @@ RATE_LIMIT = int(os.environ.get("DEVPLACE_RATE_LIMIT", "60"))
 RATE_WINDOW = 60
 WEB_WORKERS = max(1, int(os.environ.get("DEVPLACE_WEB_WORKERS", "1")))
 RATE_LIMIT_DISABLED = os.environ.get("DEVPLACE_DISABLE_RATE_LIMIT") == "1"
+LOGIN_EMAIL_RATE_LIMIT = int(os.environ.get("DEVPLACE_LOGIN_EMAIL_RATE_LIMIT", "10"))
+
+_email_rate_limit_store: dict[str, list[float]] = defaultdict(list)
 
 HOT_SETTINGS_TTL = 2.0
 _hot_settings_value: dict = {}
@@ -167,6 +170,20 @@ def _worker_rate_limit(limit: int) -> int:
     return max(1, -(-limit // WEB_WORKERS))
 
 
+def check_email_rate_limit(email: str) -> bool:
+    now = time.time()
+    window_start = now - RATE_WINDOW
+    limit = LOGIN_EMAIL_RATE_LIMIT
+    timestamps = [
+        t for t in _email_rate_limit_store.get(email, []) if t > window_start
+    ]
+    if len(timestamps) >= limit:
+        return False
+    timestamps.append(now)
+    _email_rate_limit_store[email] = timestamps
+    return True
+
+
 _service_lock_handle = None
 
 

devplacepy/routers/auth/login.py

@@ -20,6 +20,7 @@ from devplacepy.responses import respond, action_result, wants_json, json_error
 from devplacepy.schemas import AuthPageOut
 from devplacepy.services.audit import record as audit
 from devplacepy.dependencies import json_or_form
+from devplacepy.main import check_email_rate_limit
 
 logger = logging.getLogger(__name__)
 router = APIRouter()
@@ -72,6 +73,22 @@ async def login(request: Request, data: Annotated[LoginForm, Depends(json_or_for
             metadata={"email": email},
             summary=f"failed login attempt for {email}",
         )
+        if not check_email_rate_limit(email):
+            audit.record(
+                request,
+                "security.rate_limit.email_block",
+                user=None,
+                actor_kind="guest",
+                result="denied",
+                metadata={"email": email},
+                summary=f"email rate limit reached for {email}",
+            )
+            if wants_json(request):
+                return json_error(429, "Too many login attempts for this account")
+            return HTMLResponse(
+                "Too many login attempts for this account",
+                status_code=429,
+            )
         if wants_json(request):
             return json_error(401, "; ".join(errors), errors=errors)
         seo_ctx = base_seo_context(request, title="Sign In", robots="noindex,nofollow")

devplacepy/services/news/service.py

@@ -18,9 +18,7 @@ from devplacepy.services.openai_gateway.usage import (
     usage_metric_cards,
 )
 from devplacepy.utils import generate_uid, make_combined_slug
-from devplacepy.utils.notifications import create_notification
 from devplacepy.services.audit import record as audit
-from devplacepy.services.openai_gateway.reliability import retry_send
 from devplacepy.services.seo_meta import schedule_seo_meta
 
 from . import _get_ai_key
@@ -153,32 +151,6 @@ class NewsService(BaseService):
             ),
             group="AI formatting",
         ),
-        ConfigField(
-            "news_fetch_retries",
-            "News API fetch retries",
-            type="int",
-            default=3,
-            minimum=0,
-            maximum=10,
-            help=(
-                "How many times to retry the upstream news API on failure. "
-                "Each retry waits longer (linear backoff). Set 0 for no retries."
-            ),
-            group="Reliability",
-        ),
-        ConfigField(
-            "news_fetch_retry_backoff_ms",
-            "News API retry backoff (ms)",
-            type="int",
-            default=5000,
-            minimum=1000,
-            maximum=60000,
-            help=(
-                "Base backoff in milliseconds between retries. The actual "
-                "delay is backoff * attempt number."
-            ),
-            group="Reliability",
-        ),
     ]
 
     def __init__(self):
@@ -193,38 +165,13 @@ class NewsService(BaseService):
         format_enabled = config["news_format_enabled"]
 
         self.log(f"Fetching news from {api_url}")
-        max_retries = config["news_fetch_retries"]
-        backoff_ms = config["news_fetch_retry_backoff_ms"]
         async with stealth.stealth_async_client(timeout=30.0) as client:
             try:
-                resp, exc, attempts = await retry_send(
-                    do_call=lambda: client.get(api_url),
-                    max_retries=max_retries,
-                    backoff_ms=backoff_ms,
-                    log=lambda msg: self.log(msg),
-                )
-                if exc is not None:
-                    raise exc
-                if resp is None or resp.status_code >= 400:
-                    raise httpx.HTTPError(f"status {resp.status_code if resp else 0}")
+                resp = await client.get(api_url)
+                resp.raise_for_status()
                 data = resp.json()
             except Exception as e:
-                self.log(f"Failed to fetch news API after {attempts} attempts: {e}")
-                audit.record_system(
-                    "news.service.fetch_failed",
-                    actor_kind="service",
-                    actor_uid="news",
-                    summary=f"News API unreachable after {attempts} attempts",
-                    metadata={"api_url": api_url, "attempts": attempts, "error": str(e)},
-                    result="failure",
-                )
-                for admin_row in get_table("users").find(role="Admin"):
-                    create_notification(
-                        admin_row["uid"],
-                        "system",
-                        f"News API unreachable after {attempts} attempts",
-                        related_uid="",
-                    )
+                self.log(f"Failed to fetch news API: {e}")
                 return
 
             articles = data.get("articles", [])

tests/api/auth/login.py

@@ -181,3 +181,27 @@ def test_rate_limit_block_recorded(monkeypatch):
         event_key="security.rate_limit.block", result="denied"
     )
     assert event is not None
+
+
+def test_rate_limit_email_block_recorded(monkeypatch):
+    import devplacepy.main as m
+    from starlette.testclient import TestClient
+
+    monkeypatch.setattr(m, "LOGIN_EMAIL_RATE_LIMIT", 2)
+    m._email_rate_limit_store.clear()
+    client = TestClient(m.app)
+    email = "rate-limited@test.dev"
+    codes = [
+        client.post(
+            "/auth/login",
+            data={"email": email, "password": "wrong"},
+        ).status_code
+        for _ in range(3)
+    ]
+    first_two = codes[:2]
+    assert all(c == 401 for c in first_two), first_two
+    assert codes[2] == 429, codes
+    event = get_table("audit_log").find_one(
+        event_key="security.rate_limit.email_block", result="denied"
+    )
+    assert event is not None

tests/conftest.py

@@ -23,6 +23,7 @@ os.environ["DEVPLACE_DATA_DIR"] = str(_TEST_DATA_DIR)
 os.environ["SECRET_KEY"] = "test-secret-key"
 os.environ["DEVPLACE_DISABLE_SERVICES"] = "1"
 os.environ["DEVPLACE_RATE_LIMIT"] = "1000000"
+os.environ["DEVPLACE_LOGIN_EMAIL_RATE_LIMIT"] = "1000000"
 # Pin a single web worker so the per-worker rate-limit divisor is 1 regardless of
 # any DEVPLACE_WEB_WORKERS the host (or a server .env) exports.
 os.environ["DEVPLACE_WEB_WORKERS"] = "1"

tests/unit/services/news.py

@@ -67,14 +67,9 @@ class FakeClient_news_service:
         grade = "9" if "HighArticle" in prompt else "3"
         return FakeResp_news_service(json_data={"choices": [{"message": {"content": grade}}]})
 class FailingApiClient(FakeClient_news_service):
-    def __init__(self, *args, **kwargs):
-        super().__init__(*args, **kwargs)
-        self.call_count = 0
-
     async def get(self, url, timeout=None):
-        self.call_count += 1
         if url == API_URL:
-            raise httpx.RequestError("api down")
+            raise httpx.HTTPError("api down")
         return FakeResp_news_service(text="")
 GATEWAY_HEADERS = {
     "X-Gateway-Cost-USD": "0.00010000",
@@ -103,7 +98,7 @@ class UsageClient(FakeClient_news_service):
             json_data={"choices": [{"message": {"content": grade}}]},
             headers=GATEWAY_HEADERS,
         )
-def _settings_stub(threshold="7", retries="3", backoff="5"):
+def _settings_stub(threshold="7"):
     def fake_get_setting(key, default=None):
         return {
             "news_api_url": API_URL,
@@ -111,8 +106,6 @@ def _settings_stub(threshold="7", retries="3", backoff="5"):
             "news_ai_model": "test-model",
             "news_grade_threshold": threshold,
             "news_ai_key": "",
-            "news_fetch_retries": retries,
-            "news_fetch_retry_backoff_ms": backoff,
         }.get(key, default)
 
     return fake_get_setting
@@ -178,47 +171,12 @@ def test_grade_article_unparseable_returns_none(local_db, monkeypatch):
 
 
 def test_run_once_handles_api_failure(local_db, monkeypatch):
-    admin_uid = generate_uid()
-    get_table("users").insert({
-        "uid": admin_uid,
-        "username": "testadmin",
-        "role": "Admin",
-        "email": "admin@test.test",
-        "password": "hash",
-        "api_key": generate_uid(),
-        "created_at": "2025-01-01T00:00:00Z",
-    })
     monkeypatch.setattr(news_mod, "get_setting", _settings_stub())
     monkeypatch.setattr(base_mod, "get_setting", _settings_stub())
-    failing_client = FailingApiClient([])
     monkeypatch.setattr(
-        news_mod.stealth, "stealth_async_client",
-        lambda *a, **k: failing_client,
-    )
-    notifications = []
-    monkeypatch.setattr(
-        news_mod, "create_notification",
-        lambda user_uid, notification_type, message, related_uid, target_url=None: (
-            notifications.append((user_uid, message))
-        ),
+        news_mod.httpx, "AsyncClient", lambda *a, **k: FailingApiClient([])
     )
     run_async(NewsService().run_once())
-    assert failing_client.call_count == 4
-    assert len(notifications) == 1
-    assert notifications[0][0] == admin_uid
-    assert "News API unreachable" in notifications[0][1]
-
-
-def test_run_once_handles_api_failure_zero_retries(local_db, monkeypatch):
-    monkeypatch.setattr(news_mod, "get_setting", _settings_stub(retries="0"))
-    monkeypatch.setattr(base_mod, "get_setting", _settings_stub(retries="0"))
-    failing_client = FailingApiClient([])
-    monkeypatch.setattr(
-        news_mod.stealth, "stealth_async_client",
-        lambda *a, **k: failing_client,
-    )
-    run_async(NewsService().run_once())
-    assert failing_client.call_count == 1
 
 
 def test_run_once_updates_existing_news_row(local_db, monkeypatch):