66 lines
2.1 KiB
Python
66 lines
2.1 KiB
Python
from pathlib import Path
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from typing import Optional
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from fastapi import APIRouter
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from fastapi.exceptions import HTTPException
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from starlette.responses import FileResponse
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router_ui = APIRouter()
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@router_ui.get('/favicon.ico', include_in_schema=False)
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async def favicon():
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return FileResponse(str(Path(__file__).parent / 'ui/favicon.ico'))
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@router_ui.get('/fallback_file.html', include_in_schema=False)
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async def fallback():
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return FileResponse(str(Path(__file__).parent / 'ui/fallback_file.html'))
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@router_ui.get('/ui_version', include_in_schema=False)
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async def ui_version():
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from freqtrade.commands.deploy_commands import read_ui_version
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uibase = Path(__file__).parent / 'ui/installed/'
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version = read_ui_version(uibase)
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return {
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"version": version if version else "not_installed",
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}
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def is_relative_to(path, base) -> bool:
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# Helper function simulating behaviour of is_relative_to, which was only added in python 3.9
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try:
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path.relative_to(base)
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return True
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except ValueError:
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pass
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return False
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@router_ui.get('/{rest_of_path:path}', include_in_schema=False)
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async def index_html(rest_of_path: str):
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"""
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Emulate path fallback to index.html.
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"""
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if rest_of_path.startswith('api') or rest_of_path.startswith('.'):
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raise HTTPException(status_code=404, detail="Not Found")
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uibase = Path(__file__).parent / 'ui/installed/'
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filename = uibase / rest_of_path
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# It's security relevant to check "relative_to".
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# Without this, Directory-traversal is possible.
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media_type: Optional[str] = None
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if filename.suffix == '.js':
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# Force text/javascript for .js files - Circumvent faulty system configuration
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media_type = 'application/javascript'
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if filename.is_file() and is_relative_to(filename, uibase):
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return FileResponse(str(filename), media_type=media_type)
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index_file = uibase / 'index.html'
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if not index_file.is_file():
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return FileResponse(str(uibase.parent / 'fallback_file.html'))
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# Fall back to index.html, as indicated by vue router docs
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return FileResponse(str(index_file))
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