80 lines
3.0 KiB
Python
80 lines
3.0 KiB
Python
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'''
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Onionr - P2P Anonymous Storage Network
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Load, save, and delete the user's public key pairs (does not handle peer keys)
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'''
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'''
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This program 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 3 of the License, or
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(at your option) any later version.
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This program 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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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'''
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import onionrcrypto
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class KeyManager:
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def __init__(self, crypto):
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assert isinstance(crypto, onionrcrypto.OnionrCrypto)
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self._core = crypto._core
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self._utils = self._core._utils
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self.keyFile = crypto._keyFile
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self.crypto = crypto
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def addKey(self, pubKey=None, privKey=None):
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if type(pubKey) is type(None) and type(privKey) is type(None):
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pubKey, privKey = self.crypto.generatePubKey()
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pubKey = self.crypto._core._utils.bytesToStr(pubKey)
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privKey = self.crypto._core._utils.bytesToStr(privKey)
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try:
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if pubKey in self.getPubkeyList():
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raise ValueError('Pubkey already in list: %s' % (pubKey,))
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except FileNotFoundError:
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pass
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with open(self.keyFile, "a") as keyFile:
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keyFile.write(pubKey + ',' + privKey + '\n')
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return (pubKey, privKey)
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def removeKey(self, pubKey):
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'''Remove a key pair by pubkey'''
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keyList = self.getPubkeyList()
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keyData = ''
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try:
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keyList.remove(pubKey)
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except ValueError:
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return False
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else:
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keyData = ','.join(keyList)
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with open(self.keyFile, "w") as keyFile:
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keyFile.write(keyData)
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def getPubkeyList(self):
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'''Return a list of the user's keys'''
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keyList = []
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with open(self.keyFile, "r") as keyFile:
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keyData = keyFile.read()
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keyData = keyData.split('\n')
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for pair in keyData:
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if len(pair) > 0: keyList.append(pair.split(',')[0])
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return keyList
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def getPrivkey(self, pubKey):
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privKey = None
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with open(self.keyFile, "r") as keyFile:
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keyData = keyFile.read()
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for pair in keyData.split('\n'):
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if pubKey in pair:
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privKey = pair.split(',')[1]
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return privKey
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def changeActiveKey(self, pubKey):
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'''Change crypto.pubKey and crypto.privKey to a given key pair by specifying the public key'''
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if not pubKey in self.getPubkeyList():
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raise ValueError('That pubkey does not exist')
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self.crypto.pubKey = pubKey
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self.crypto.privKey = self.getPrivkey(pubKey)
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