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43 lines
875 B
Python
43 lines
875 B
Python
# filter_plugins/dotenv.py
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#
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# Dotenv-safe quoting for .env files.
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#
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# Rules:
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# - Always use double quotes
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# - Escape backslash and double quote
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# - Do NOT do shell-style escaping
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#
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# Result is safe for:
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# - docker compose --env-file
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# - dotenv libraries (PHP, Ruby, Node, Python)
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# - passwords containing ', $, spaces, !
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#
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from __future__ import annotations
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class FilterModule:
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def filters(self):
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return {
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"dotenv_quote": self.dotenv_quote,
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}
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@staticmethod
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def dotenv_quote(value):
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"""
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Quote a value for use in a .env file.
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Example:
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password -> "pa$'ss\"word"
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"""
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if value is None:
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return '""'
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s = str(value)
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# Escape backslash first, then double quotes
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s = s.replace("\\", "\\\\")
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s = s.replace('"', '\\"')
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return f'"{s}"'
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