153 lines
3.8 KiB
Python
153 lines
3.8 KiB
Python
#
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# Copyright 2006 sense.lab e.V.
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#
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# This file is part of the CryptoBox.
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#
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# The CryptoBox 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 2 of the License, or
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# (at your option) any later version.
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#
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# The CryptoBox 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 the CryptoBox; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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"""
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exceptions of the cryptobox package
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"""
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__revision__ = "$Id$"
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class CBError(Exception):
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"""base class for exceptions of the cryptobox"""
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pass
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class CBConfigError(CBError):
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"""any kind of error related to the configuration of a cryptobox"""
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pass
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class CBConfigUnavailableError(CBConfigError):
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"""config file/input was not available at all"""
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def __init__(self, source=None):
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self.source = source
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def __str__(self):
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if self.source:
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return "failed to access the configuration of the cryptobox: %s" % self.source
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else:
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return "failed to access the configuration of the cryptobox"
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class CBConfigUndefinedError(CBConfigError):
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"""a specific configuration setting was not defined"""
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def __init__(self, section, name=None):
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self.section = section
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self.name = name
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def __str__(self):
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"""Output the appropriate string: for a setting or a section.
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"""
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if self.name:
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# setting
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return "undefined configuration setting: [" + str(self.section) \
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+ "]->" + str(self.name) + " - please check your configuration file"
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else:
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# section
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return "undefined configuration section: [" + str(self.section) \
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+ "] - please check your configuration file"
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class CBConfigInvalidValueError(CBConfigError):
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"""a configuration setting was invalid somehow"""
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def __init__(self, section, name, value, reason):
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self.section = section
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self.name = name
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self.value = value
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self.reason = reason
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def __str__(self):
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"""Return the error description.
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"""
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return "invalid configuration setting [%s]->%s (%s): %s" % \
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(self.section, self.name, self.value, self.reason)
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class CBEnvironmentError(CBError):
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"""some part of the environment of the cryptobox is broken
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e.g. the wrong version of a required program
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"""
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def __init__(self, desc):
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self.desc = desc
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def __str__(self):
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"""Return the error description.
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"""
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return "misconfiguration detected: %s" % self.desc
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class CBContainerError(CBError):
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"""Any error raised while manipulating a cryptobox container.
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"""
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class CBCreateError(CBContainerError):
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"""Raised if a container could not be created (formatted).
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"""
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pass
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class CBVolumeIsActive(CBContainerError):
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"""Raised if a container was active even if it may not for a specific action.
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"""
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pass
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class CBInvalidName(CBContainerError):
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"""Raised if someone tried to set an invalid container name.
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"""
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pass
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class CBNameIsInUse(CBContainerError):
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"""Raised if the new name of a container is already in use.
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"""
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pass
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class CBInvalidType(CBContainerError):
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"""Raised if a container is of an invalid type for a choosen action.
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"""
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pass
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class CBInvalidPassword(CBContainerError):
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"""Someone tried to open an ecnrypted container with the wrong password.
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"""
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pass
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class CBChangePasswordError(CBContainerError):
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"""Changing of the password of an encrypted container failed.
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"""
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pass
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class CBMountError(CBContainerError):
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"""Failed to mount a container.
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"""
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pass
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class CBUmountError(CBContainerError):
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"""Failed to umount a container.
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"""
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pass
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