mirror of
https://github.com/ComradCollective/Comrad
synced 2024-10-31 03:20:18 +00:00
147 lines
4.0 KiB
Python
147 lines
4.0 KiB
Python
"""
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Storage for both keys and data
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"""
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import os,sys; sys.path.append(os.path.abspath(os.path.join(os.path.abspath(os.path.join(os.path.dirname(__file__),'..')),'..')))
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from komrade import *
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from simplekv.fs import FilesystemStore
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from simplekv.memory.redisstore import RedisStore
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import redis
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import hashlib,os
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import zlib
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LOG_GET_SET = True
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class Crypt(Logger):
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def __init__(self,name=None,fn=None,cell=None,init_d=None):
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if not name and fn: name=os.path.basename(fn).replace('.','_')
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self.name,self.fn,self.cell = name,fn,cell
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self.store = FilesystemStore(self.fn)
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if init_d:
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for k,v in init_d.items():
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try:
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self.store.put(k,v)
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except OSError as e:
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self.log('!!',e)
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self.log('!! key ->',k)
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self.log('!! val ->',v)
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raise KomradeException()
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def log(self,*x):
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if LOG_GET_SET:
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super().log(*x)
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def hash(self,binary_data):
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return hashlib.sha256(binary_data).hexdigest()
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# return zlib.adler32(binary_data)
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def force_binary(self,k_b):
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if k_b is None: return None
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if type(k_b)==str: k_b=k_b.encode()
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if type(k_b)!=bytes: k_b=k_b.decode()
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return k_b
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def package_key(self,k,prefix=''):
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# self.log('k???',type(k),k)
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if not k: return b''
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# self.log('prefix???',type(prefix),prefix)
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k_b = self.force_binary(k)
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# self.log(type(k_b),k_b)
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# k_s = k_b.decode()
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# self.log(type(k_s),k_s)
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# k_s2 = prefix + k_s
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# self.log(type(k_s2),k_s2)
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# k_b2 = k_s2.encode()
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k_b2 = self.force_binary(prefix) + k_b
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# self.log('k_b2',type(k_b2),k_b2)
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# k_b = self.cell.encrypt(k_b)
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# prefix_b = self.force_binary(prefix)
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return k_b2
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def package_val(self,k):
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k_b = self.force_binary(k)
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if self.cell is not None: k_b = self.cell.encrypt(k_b)
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return k_b
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def unpackage_val(self,k_b):
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try:
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if self.cell is not None: k_b = self.cell.decrypt(k_b)
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except ThemisError:
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pass
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return k_b
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def set(self,k,v,prefix=''):
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# self.log('set() k -->',prefix,k)
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k_b=self.package_key(k,prefix=prefix)
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# self.log('set() k_b -->',k_b)
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k_b_hash = self.hash(k_b)
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# self.log('k_b_hash',type(k_b_hash),k_b_hash)
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# self.log('set() v -->',v)
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v_b=self.package_val(v)
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self.log(f'set(\n\t{prefix}{k},\n\t{k_b}\n\t{k_b_hash}\n\t\n\t{v_b}\n)\n')
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# stop
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# stop
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return self.store.put(k_b_hash,v_b)
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def exists(self,k,prefix=''):
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return bool(self.get(k,prefix=prefix))
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def get(self,k,prefix=''):
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# self.log('k1? -->',prefix,k)
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k_b=self.package_key(k,prefix=prefix)
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# self.log('k2? -->',k_b)
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k_b_hash = self.hash(k_b)
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# self.log('k_b_hash',type(k_b_hash),k_b_hash)
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try:
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v=self.store.get(k_b_hash)
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except KeyError:
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return None
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# self.log('v? -->',v)
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v_b=self.unpackage_val(v)
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# self.log('v_b?',v_b)
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# self.log('get()',k_b,'-->',v_b)
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return v_b
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class KeyCrypt(Crypt):
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def __init__(self):
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return super().__init__(name=PATH_CRYPT_CA_KEYS.replace('.','_'))
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class DataCrypt(Crypt):
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def __init__(self):
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return super().__init__(name=PATH_CRYPT_CA_DATA.replace('.','_'))
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from collections import defaultdict
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class CryptMemory(Crypt):
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def __init__(self):
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self.data = defaultdict(None)
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self.crypt = defaultdict(None)
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self.cell = None
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def set(self,k,v,prefix=''):
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k_b=self.package_key(k,prefix=prefix)
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v_b=self.package_val(v)
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self.data[k]=v_b
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self.crypt[k_b]=v_b
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if __name__=='__main__':
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crypt = Crypt('testt')
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print(crypt.set('hellothere',b'ryan'))
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# print(crypt.get(b'hello there')) |