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https://github.com/Ultimaker/Cura.git
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61 lines
2.7 KiB
Python
61 lines
2.7 KiB
Python
# Copyright (c) 2021 Ultimaker B.V.
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# Cura is released under the terms of the LGPLv3 or higher.
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from typing import Optional
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import keyring # TODO: Add to about as dependency
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from UM.Logger import Logger
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class SecretStorage:
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"""
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Secret storage vault. It will by default store a secret in the system keyring. If that fails, is not available or
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not allowed it will store in the Cura preferences. This is the unsafe "old" behaviour
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"""
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def __init__(self, preferences: Optional["Preferences"] = None):
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self._stored_secrets = set()
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if preferences:
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self._preferences = preferences
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keys = self._preferences.getValue("general/keyring")
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if keys is not None and keys != '':
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self._stored_secrets = set(keys.split(";"))
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else:
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self._preferences.addPreference("general/keyring", "{}")
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def __delitem__(self, key: str):
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if key in self._stored_secrets:
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self._stored_secrets.remove(key)
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self._preferences.setValue("general/keyring", ";".join(self._stored_secrets))
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keyring.delete_password("cura", key)
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else:
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# TODO: handle removal of secret from preferences
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pass
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def __setitem__(self, key: str, value: str):
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try:
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keyring.set_password("cura", key, value)
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self._stored_secrets.add(key)
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self._preferences.setValue("general/{key}".format(key = key), None)
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except:
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Logger.logException("w", "Could not store {key} in keyring.".format(key = key))
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if key in self._stored_secrets:
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self._stored_secrets.remove(key)
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self._preferences.addPreference("general/{key}".format(key = key), "{}")
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self._preferences.setValue("general/{key}".format(key = key), value)
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self._preferences.setValue("general/keyring", ";".join(self._stored_secrets))
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def __getitem__(self, key: str) -> Optional[str]:
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secret = None
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if key in self._stored_secrets:
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try:
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secret = keyring.get_password("cura", key)
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except:
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secret = self._preferences.getValue("general/{key}".format(key = key))
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Logger.logException("w", "{key} obtained from preferences, consider giving Cura access to the keyring".format(key = key))
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else:
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secret = self._preferences.getValue(f"general/{key}")
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Logger.logException("w", "{key} obtained from preferences, consider giving Cura access to the keyring".format(key = key))
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if secret is None or secret == '':
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Logger.logException("w", "Could not load {key}".format(key = key))
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return secret
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