Limit bytes-like status normalization by payload length

Co-authored-by: Shri Sukhani <shrisukhani@users.noreply.github.com>

Author: cursoragent

hyperbrowser/client/polling.py

@@ -176,9 +176,15 @@ def _is_executor_shutdown_runtime_error(exc: Exception) -> bool:
 
 def _decode_ascii_bytes_like(value: object) -> Optional[str]:
     try:
-        return memoryview(value).tobytes().decode("ascii")
+        status_buffer = memoryview(value)
     except (TypeError, ValueError, UnicodeDecodeError):
         return None
+    if status_buffer.nbytes > _MAX_STATUS_CODE_TEXT_LENGTH:
+        return None
+    try:
+        return status_buffer.tobytes().decode("ascii")
+    except UnicodeDecodeError:
+        return None
 
 
 def _normalize_status_code_for_retry(status_code: object) -> Optional[int]:

tests/test_polling.py

@@ -217,6 +217,31 @@ def get_status() -> str:
     assert attempts["count"] == 3
 
 
+def test_poll_until_terminal_status_retries_overlong_numeric_bytes_status_codes():
+    attempts = {"count": 0}
+
+    def get_status() -> str:
+        attempts["count"] += 1
+        if attempts["count"] < 3:
+            raise HyperbrowserError(
+                "oversized status metadata",
+                status_code=b"4000000000000",  # type: ignore[arg-type]
+            )
+        return "completed"
+
+    status = poll_until_terminal_status(
+        operation_name="sync poll oversized numeric-bytes status retries",
+        get_status=get_status,
+        is_terminal_status=lambda value: value == "completed",
+        poll_interval_seconds=0.0001,
+        max_wait_seconds=1.0,
+        max_status_failures=5,
+    )
+
+    assert status == "completed"
+    assert attempts["count"] == 3
+
+
 def test_poll_until_terminal_status_does_not_retry_stop_iteration_errors():
     attempts = {"count": 0}
 
@@ -802,6 +827,29 @@ def operation() -> str:
     assert attempts["count"] == 3
 
 
+def test_retry_operation_retries_overlong_numeric_bytes_status_codes():
+    attempts = {"count": 0}
+
+    def operation() -> str:
+        attempts["count"] += 1
+        if attempts["count"] < 3:
+            raise HyperbrowserError(
+                "oversized status metadata",
+                status_code=b"4000000000000",  # type: ignore[arg-type]
+            )
+        return "ok"
+
+    result = retry_operation(
+        operation_name="sync retry oversized numeric-bytes status code",
+        operation=operation,
+        max_attempts=5,
+        retry_delay_seconds=0.0001,
+    )
+
+    assert result == "ok"
+    assert attempts["count"] == 3
+
+
 def test_retry_operation_retries_bytes_like_rate_limit_errors():
     attempts = {"count": 0}
 
@@ -1362,6 +1410,34 @@ async def get_status() -> str:
     asyncio.run(run())
 
 
+def test_poll_until_terminal_status_async_retries_overlong_numeric_bytes_status_codes():
+    async def run() -> None:
+        attempts = {"count": 0}
+
+        async def get_status() -> str:
+            attempts["count"] += 1
+            if attempts["count"] < 3:
+                raise HyperbrowserError(
+                    "oversized status metadata",
+                    status_code=b"4000000000000",  # type: ignore[arg-type]
+                )
+            return "completed"
+
+        status = await poll_until_terminal_status_async(
+            operation_name="async poll oversized numeric-bytes status retries",
+            get_status=get_status,
+            is_terminal_status=lambda value: value == "completed",
+            poll_interval_seconds=0.0001,
+            max_wait_seconds=1.0,
+            max_status_failures=5,
+        )
+
+        assert status == "completed"
+        assert attempts["count"] == 3
+
+    asyncio.run(run())
+
+
 def test_poll_until_terminal_status_async_does_not_retry_stop_async_iteration_errors():
     async def run() -> None:
         attempts = {"count": 0}
@@ -1641,6 +1717,32 @@ async def operation() -> str:
     asyncio.run(run())
 
 
+def test_retry_operation_async_retries_overlong_numeric_bytes_status_codes():
+    async def run() -> None:
+        attempts = {"count": 0}
+
+        async def operation() -> str:
+            attempts["count"] += 1
+            if attempts["count"] < 3:
+                raise HyperbrowserError(
+                    "oversized status metadata",
+                    status_code=b"4000000000000",  # type: ignore[arg-type]
+                )
+            return "ok"
+
+        result = await retry_operation_async(
+            operation_name="async retry oversized numeric-bytes status code",
+            operation=operation,
+            max_attempts=5,
+            retry_delay_seconds=0.0001,
+        )
+
+        assert result == "ok"
+        assert attempts["count"] == 3
+
+    asyncio.run(run())
+
+
 def test_retry_operation_async_retries_bytes_like_rate_limit_errors():
     async def run() -> None:
         attempts = {"count": 0}