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Blake BlackshearandClaude Opus 5.5
2b0a69c028
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Brings the go2rtc security fixes from #24658 to dev. Dev-specific changes in the merge: - frigate/config/env.py stays deleted; the environment_vars protection for GO2RTC_ALLOW_ARBITRARY_EXEC moves to apply_config_env_vars in frigate/util/env.py, so the value never reaches os.environ - services.py imports substitute_frigate_vars from frigate.util.env and maps UnknownVariableError to the unknown variable message - go2rtc stream tests patch dev's import-time exec override snapshot and its FRIGATE_* variable sources - test_http_media.py keeps dev's _insert_recording helper; the one added on master replaced it and broke the dev tests Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
102 lines
2.9 KiB
Python
102 lines
2.9 KiB
Python
"""Facilitates communication between processes."""
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import logging
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import threading
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from collections.abc import Callable
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from enum import Enum
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from typing import Any
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import zmq
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logger = logging.getLogger(__name__)
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SOCKET_REP_REQ = "ipc:///tmp/cache/embeddings"
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class EmbeddingsRequestEnum(Enum):
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# audio
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transcribe_audio = "transcribe_audio"
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# custom classification
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reload_classification_model = "reload_classification_model"
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# face
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clear_face_classifier = "clear_face_classifier"
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recognize_face = "recognize_face"
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register_face = "register_face"
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reprocess_face = "reprocess_face"
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# semantic search
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embed_description = "embed_description"
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embed_thumbnail = "embed_thumbnail"
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generate_search = "generate_search"
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reindex = "reindex"
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# LPR
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reprocess_plate = "reprocess_plate"
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# Review Descriptions
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summarize_review = "summarize_review"
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regenerate_review_description = "regenerate_review_description"
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class EmbeddingsResponder:
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def __init__(self) -> None:
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self.context = zmq.Context()
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self.socket = self.context.socket(zmq.REP)
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self.socket.bind(SOCKET_REP_REQ)
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def check_for_request(self, process: Callable) -> None:
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while True: # load all messages that are queued
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has_message, _, _ = zmq.select([self.socket], [], [], 0.01)
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if not has_message:
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break
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try:
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raw = self.socket.recv_json(flags=zmq.NOBLOCK)
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if isinstance(raw, list):
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(topic, value) = raw
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response = process(topic, value)
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else:
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logging.warning(
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f"Received unexpected data type in ZMQ recv_json: {type(raw)}"
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)
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response = None
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if response is not None:
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self.socket.send_json(response)
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else:
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self.socket.send_json([])
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except zmq.ZMQError:
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break
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def stop(self) -> None:
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self.socket.close()
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self.context.destroy()
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class EmbeddingsRequestor:
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"""Simplifies sending data to EmbeddingsResponder and getting a reply."""
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def __init__(self) -> None:
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self.context = zmq.Context()
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self.socket = self.context.socket(zmq.REQ)
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self.socket.connect(SOCKET_REP_REQ)
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self.lock = threading.Lock()
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def send_data(self, topic: str, data: Any) -> Any:
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"""Sends data and then waits for reply."""
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# an overlapping call fails fast so a slow reply can't stall the API
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if not self.lock.acquire(blocking=False):
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return ""
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try:
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self.socket.send_json((topic, data))
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return self.socket.recv_json()
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except zmq.ZMQError:
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return ""
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finally:
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self.lock.release()
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def stop(self) -> None:
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self.socket.close()
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self.context.destroy()
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