forked from STI/Astroport.ONE
93 lines
2.4 KiB
Python
93 lines
2.4 KiB
Python
# -*- coding: utf-8 -*-
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'''
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Implement the base key object for other keys to inherit convenience functions
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'''
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# Import libnacl libs
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import libnacl.encode
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# Import python libs
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import os
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import stat
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class BaseKey(object):
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'''
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Include methods for key management convenience
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'''
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def __init__(self):
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self.sk_hex = self.hex_sk()
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self.pk_hex = self.hex_pk()
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self.kx_sk_hex = self.hex_kx_sk()
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self.kx_pk_hex = self.hex_kx_pk()
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self.vk_hex = self.hex_vk()
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def hex_sk(self):
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if hasattr(self, 'sk'):
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return libnacl.encode.hex_encode(self.sk)
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def hex_pk(self):
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if hasattr(self, 'pk'):
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return libnacl.encode.hex_encode(self.pk)
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def hex_kx_pk(self):
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if hasattr(self, 'kx_pk'):
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return libnacl.encode.hex_encode(self.kx_pk)
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def hex_kx_sk(self):
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if hasattr(self, 'kx_sk'):
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return libnacl.encode.hex_encode(self.kx_sk)
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def hex_vk(self):
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if hasattr(self, 'vk'):
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return libnacl.encode.hex_encode(self.vk)
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def hex_seed(self):
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if hasattr(self, 'seed'):
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return libnacl.encode.hex_encode(self.seed)
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def for_json(self):
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'''
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Return a dictionary of the secret values we need to store.
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'''
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pre = {}
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sk = self.hex_sk()
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pk = self.hex_pk()
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kx_sk = self.hex_kx_sk()
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kx_pk = self.hex_kx_pk()
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vk = self.hex_vk()
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seed = self.hex_seed()
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if sk:
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pre['priv'] = sk.decode('utf-8')
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if pk:
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pre['pub'] = pk.decode('utf-8')
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if kx_sk:
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pre['kx_priv'] = kx_sk.decode('utf-8')
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if kx_pk:
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pre['kx_pub'] = kx_pk.decode('utf-8')
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if vk:
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pre['verify'] = vk.decode('utf-8')
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if seed:
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pre['sign'] = seed.decode('utf-8')
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return pre
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def save(self, path, serial='json'):
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'''
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Safely save keys with perms of 0400
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'''
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pre = self.for_json()
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if serial == 'msgpack':
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import msgpack
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packaged = msgpack.dumps(pre)
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elif serial == 'json':
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import json
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packaged = json.dumps(pre)
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perm_other = stat.S_IROTH | stat.S_IWOTH | stat.S_IXOTH
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perm_group = stat.S_IRGRP | stat.S_IWGRP | stat.S_IXGRP
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cumask = os.umask(perm_other | perm_group)
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with open(path, 'w+') as fp_:
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fp_.write(packaged)
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os.umask(cumask)
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