73 lines
2.2 KiB
Python
73 lines
2.2 KiB
Python
'''
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Onionr - P2P Anonymous Storage Network
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This file contains the OnionrFragment class which implements the fragment system
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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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# onionr:10ch+10ch+10chgdecryptionkey
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import core, sys, binascii, os
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FRAGMENT_SIZE = 0.25
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TRUNCATE_LENGTH = 30
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class OnionrFragment:
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def __init__(self, uri=None):
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uri = uri.replace('onionr:', '')
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count = 0
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blocks = []
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appendData = ''
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key = ''
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for x in uri:
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if x == 'k':
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key = uri[uri.index('k') + 1:]
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appendData += x
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if count == TRUNCATE_LENGTH:
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blocks.append(appendData)
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appendData = ''
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count = 0
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count += 1
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self.key = key
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self.blocks = blocks
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return
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@staticmethod
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def generateFragments(data=None, coreInst=None):
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if coreInst is None:
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coreInst = core.Core()
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key = os.urandom(32)
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data = coreInst._crypto.symmetricEncrypt(data, key).decode()
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blocks = []
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blockData = b""
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uri = "onionr:"
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total = sys.getsizeof(data)
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for x in data:
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blockData += x.encode()
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if round(len(blockData) / len(data), 3) > FRAGMENT_SIZE:
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blocks.append(core.Core().insertBlock(blockData))
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blockData = b""
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for bl in blocks:
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uri += bl[:TRUNCATE_LENGTH]
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uri += "k"
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uri += binascii.hexlify(key).decode()
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return (uri, key)
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if __name__ == '__main__':
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uri = OnionrFragment.generateFragments("test")[0]
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print(uri)
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OnionrFragment(uri) |