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62 lines
2.3 KiB
Python
62 lines
2.3 KiB
Python
# SPDX-FileCopyrightText: 2021 Aaron Dewes <aaron.dewes@protonmail.com>
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#
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# SPDX-License-Identifier: AGPL-3.0-or-later
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import re
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# Helper functions
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# Return a list of env vars in a string, supports both $NAM§ and ${NAME} format for the env var
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# This can potentially be used to get around permissions, so this check is critical for security
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# Please report any security vulnerabilities you find in this check to aaron.dewes@protonmail.com
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def getEnvVars(string: str):
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string = str(string)
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envVars = re.findall(r'\$\{.*?\}', string)
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newEnvVars = re.findall(r"\$(?!{)([A-z1-9]+)", string)
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return [envVar[2:-1] for envVar in envVars] + newEnvVars
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# Check if an array only contains values which are also in another array
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def checkArrayContainsAllElements(array: list, otherArray: list):
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for element in array:
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if element not in otherArray:
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return False
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return True
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# Parse a dotenv file
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# Values can either be KEY=VALUE or KEY="VALUE" or KEY='VALUE'
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# Returns all env vars as a dict
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def parse_dotenv(file_path):
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envVars: dict = {}
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with open(file_path, 'r') as file:
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for line in file:
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line = line.strip()
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if line.startswith('#') or len(line) == 0:
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continue
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if '=' in line:
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key, value = line.split('=', 1)
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value = value.strip('"').strip("'")
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envVars[key] = value
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else:
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print("Error: Invalid line in {}: {}".format(file_path, line))
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print("Line should be in the format KEY=VALUE or KEY=\"VALUE\" or KEY='VALUE'")
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exit(1)
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return envVars
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# Combines two objects
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# If the key exists in both objects, the value of the second object is used
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# If the key does not exist in the first object, the value from the second object is used
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# If a key contains a list, the second object's list is appended to the first object's list
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# If a key contains another object, these objects are combined
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def combineObjects(obj1: dict, obj2: dict):
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for key in obj2:
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if key in obj1:
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if isinstance(obj1[key], list):
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obj1[key] = obj1[key] + obj2[key]
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elif isinstance(obj1[key], dict):
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obj1[key] = combineObjects(obj1[key], obj2[key])
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else:
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obj1[key] = obj2[key]
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else:
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obj1[key] = obj2[key]
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return obj1
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