mirror of
https://github.com/mofeng-git/One-KVM.git
synced 2026-03-16 16:07:07 +08:00
103 lines
4.8 KiB
Python
103 lines
4.8 KiB
Python
# ========================================================================== #
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# #
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# KVMD - The main PiKVM daemon. #
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# #
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# Copyright (C) 2018-2024 Maxim Devaev <mdevaev@gmail.com> #
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# #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <https://www.gnu.org/licenses/>. #
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# #
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# ========================================================================== #
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from aiohttp.web import Request
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from aiohttp.web import Response
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from ....htserver import UnavailableError
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from ....htserver import exposed_http
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from ....htserver import make_json_response
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from ....validators import check_string_in_list
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from ....validators.basic import valid_bool
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from ....validators.basic import valid_number
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from ....validators.basic import valid_int_f0
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from ....validators.basic import valid_string_list
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from ....validators.kvm import valid_stream_quality
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from ..streamer import Streamer
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from ..ocr import Ocr
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# =====
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class StreamerApi:
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def __init__(self, streamer: Streamer, ocr: Ocr) -> None:
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self.__streamer = streamer
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self.__ocr = ocr
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# =====
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@exposed_http("GET", "/streamer")
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async def __state_handler(self, _: Request) -> Response:
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return make_json_response(await self.__streamer.get_state())
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@exposed_http("GET", "/streamer/snapshot")
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async def __take_snapshot_handler(self, req: Request) -> Response:
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snapshot = await self.__streamer.take_snapshot(
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save=valid_bool(req.query.get("save", False)),
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load=valid_bool(req.query.get("load", False)),
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allow_offline=valid_bool(req.query.get("allow_offline", False)),
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)
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if snapshot:
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if valid_bool(req.query.get("ocr", False)):
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langs = self.__ocr.get_available_langs()
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return Response(
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body=(await self.__ocr.recognize(
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data=snapshot.data,
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langs=valid_string_list(
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arg=str(req.query.get("ocr_langs", "")).strip(),
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subval=(lambda lang: check_string_in_list(lang, "OCR lang", langs)),
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name="OCR langs list",
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),
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left=int(valid_number(req.query.get("ocr_left", -1))),
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top=int(valid_number(req.query.get("ocr_top", -1))),
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right=int(valid_number(req.query.get("ocr_right", -1))),
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bottom=int(valid_number(req.query.get("ocr_bottom", -1))),
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)),
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headers=dict(snapshot.headers),
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content_type="text/plain",
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)
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elif valid_bool(req.query.get("preview", False)):
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data = await snapshot.make_preview(
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max_width=valid_int_f0(req.query.get("preview_max_width", 0)),
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max_height=valid_int_f0(req.query.get("preview_max_height", 0)),
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quality=valid_stream_quality(req.query.get("preview_quality", 80)),
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)
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else:
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data = snapshot.data
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return Response(
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body=data,
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headers=dict(snapshot.headers),
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content_type="image/jpeg",
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)
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raise UnavailableError()
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@exposed_http("DELETE", "/streamer/snapshot")
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async def __remove_snapshot_handler(self, _: Request) -> Response:
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self.__streamer.remove_snapshot()
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return make_json_response()
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@exposed_http("GET", "/streamer/ocr")
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async def __ocr_handler(self, _: Request) -> Response:
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return make_json_response({"ocr": (await self.__ocr.get_state())})
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