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786 lines
23 KiB
Python
786 lines
23 KiB
Python
import os,time,sys,logging
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from pathlib import Path
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import asyncio,time
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# handler = logging.StreamHandler()
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# formatter = logging.Formatter('%(asctime)s - %(levelname)s - %(message)s')
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# handler.setFormatter(formatter)
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# logger = logging.getLogger(__file__)
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# logger.addHandler(handler)
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# logger.setLevel(logging.DEBUG)
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sys.path.append('../p2p')
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# logger.info(os.getcwd(), sys.path)
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BSEP=b'\n\n'
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BSEP2=b'\t\n'
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BSEP3=b'\r\r'
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NODE_SLEEP_FOR=1
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try:
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from .crypto import *
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from .p2p import *
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from .kad import *
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except (ModuleNotFoundError,ImportError):
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from crypto import *
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from p2p import *
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from kad import *
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from pathlib import Path
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from functools import partial
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# works better with tor?
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import json
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jsonify = json.dumps
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# Start server
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DEBUG = True
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UPLOAD_DIR = 'uploads/'
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ALLOWED_EXTENSIONS = {'png', 'jpg', 'jpeg', 'gif'}
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# PORT_SPEAK = 8468
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PORT_LISTEN = 5639
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# Api Functions
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from threading import Thread
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NODES_PRIME = [("128.232.229.63",8467), ("68.66.241.111",8467)]
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#68.66.224.46
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from pathlib import Path
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home = str(Path.home())
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KEYDIR = os.path.join(home,'.komrade','.keys')
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if not os.path.exists(KEYDIR): os.makedirs(KEYDIR)
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async def _getdb(self=None,port=PORT_LISTEN):
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from kademlia.network import Server
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if self: self.log('starting server..')
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import os
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if self: self.log(os.getcwd())
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node = Server() #fn='../p2p/data.db',log=(self.log if self else print)))
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if self: self.log('listening..')
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await node.listen(port)
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if self: self.log('bootstrapping server..')
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await node.bootstrap(NODES_PRIME)
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self.log('NODE:',node)
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return node
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def logg(*x):
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print(*x)
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class Api(object):
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def __init__(self,user=None,log=None):
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self.log = log if log is not None else logg
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self.username = user
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def private_key(self):
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if self.username:
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pass
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async def connect_forever(self,port=PORT_LISTEN,save_every=10):
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try:
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i = 0
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self._node = await self.connect(port=port)
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while True:
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if not i%10: self.log(f'Node status (tick {i}): {self._node}')
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if i and not i%save_every: await self.flush()
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i += 1
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#await asyncio.sleep(NODE_SLEEP_FOR)
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asyncio.sleep(0)
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except (asyncio.CancelledError,KeyboardInterrupt) as e:
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self.log('P2P node cancelled', e)
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await self.flush()
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finally:
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# when canceled, print that it finished
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self.log('P2P node shutting down')
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pass
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@property
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async def node(self):
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# while not hasattr(self,'_node'):
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# self.log('[API] waiting forr connection...')
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# await asyncio.sleep(1)
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# return self._node
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if not hasattr(self,'_node'):
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await self.connect()
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return self._node
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async def connect(self,port=PORT_LISTEN):
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self.log('connecting...')
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node = await _getdb(self,port)
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self.log(f'connect() has node {node}')
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self._node = node
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return node
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async def get(self,key_or_keys,decode_data=True):
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self.log(f'get({key_or_keys}) --> ...')
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async def _get():
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node=await self.node
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res=None
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if type(key_or_keys) in {list,tuple,dict}:
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keys = key_or_keys
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tasks=[]
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for key in keys:
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val = await node.get(key)
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task = self.decode_data(val) if decode_data else val
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tasks.append(task)
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res = await asyncio.gather(*tasks)
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else:
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key=key_or_keys
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val = await node.get(key)
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res = await self.decode_data(val) if decode_data else val
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# self.log(f'_get({key_or_keys}) --> {res}')
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return res
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return await _get()
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def encode_data(self,val,sep=BSEP,sep2=BSEP2,do_encrypt=True,receiver_pubkey=None,private_signature_key=None):
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"""
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What do we want to store with
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1) [Encrypted payload:]
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1) Timestamp
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2) Public key of sender
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3) Public key of recipient
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4) AES-encrypted Value
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2) [Decryption tools]
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1) AES-decryption key
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2) AES decryption IV value
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5) Signature of value by author
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"""
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import time
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timestamp=time.time()
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# check input
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if not receiver_pubkey:
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self.log('we need a receiver !!')
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return None
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# convert val to bytes
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if type(val)!=bytes: val = bytes(val,'utf-8')
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value_bytes=base64.b64encode(val)
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# sign
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private_signature_key = private_signature_key if private_signature_key is not None else self.private_key
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signature = sign(value_bytes, private_signature_key)
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public_sender_key = private_signature_key.public_key()
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sender_pubkey_b = serialize_pubkey(public_sender_key)
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# Verify!
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authentic = verify_signature(signature, value_bytes, sender_pubkey_b)
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if not authentic:
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self.log('message is inauthentic for set??',authentic)
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return None
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# encrypt?
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receiver_pubkey_b = serialize_pubkey(receiver_pubkey)
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time_b=str(timestamp).encode()
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msg=value_bytes
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# whole binary package
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WDV = [
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time_b,
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sender_pubkey_b,
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receiver_pubkey_b,
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msg,
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signature
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]
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payload = sep2.join(WDV)
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res = aes_rsa_encrypt(payload,receiver_pubkey)
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if res is None: return None
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payload_encr_aes, payload_encr_aes_key, payload_encr_aes_iv = res
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decryption_tools = sep2.join([
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payload_encr_aes_key,
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payload_encr_aes_iv
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])
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final_packet = sep.join([
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payload_encr_aes,
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decryption_tools
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])
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return final_packet
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async def decode_data(self,entire_packet,sep=BSEP,private_key=None,sep2=BSEP2):
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if entire_packet is None: return entire_packet
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#entire_packet = base64.b64decode(entire_packet)
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# get data
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encrypted_payload, decryption_tools = entire_packet.split(sep)
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decryption_tools=decryption_tools.split(sep2)
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# ### FIRST LINE OF PROTECTION
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# # is the receiver's public id in our list of public IDs?
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# to_pub = load_pubkey(to_pub_b)
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# oktogo=False
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# CORRECT_PUB_KEY=None
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# CORRECT_PRIV_KEY=None
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# for privkey,pubkey in self.keys():
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# if pubkey.public_numbers() == to_pub.public_numbers():
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# oktogo=True
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# CORRECT_PUB_KEY = pubkey
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# CORRECT_PRIV_KEY = privkey
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# break
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# if not oktogo: return None
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### SECOND LINE OF PROTECTION
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# first try to decrypt sender to see if we have access to this
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# def _decrypt_aes_rsa(args):
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# val_encr,val_encr_key,iv = args
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# val = aes_rsa_decrypt(val_encr,val_encr_key,iv,CORRECT_PRIV_KEY)
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# return val
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# from_pub_decr = _decrypt_rsa(*sender_encr)
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# if not from_pub_decr: return None
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# from_pub = load_pubkey(from_pub_b)
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### NEW FIRST LINE: Try to decrypt!
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val=None
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for keyname,privkey,pubkey in self.keys():
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try:
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val = aes_rsa_decrypt(encrypted_payload,privkey,*decryption_tools)
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#self.log('decrypted =',val)
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break
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except ValueError as e:
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self.log(keyname,'did not work!') #,privkey,pubkey)
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pass
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if not val:
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self.log('Content not intended for us')
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return None
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#stop
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### THIRD LINE: SIGNATURE VERIFICATION
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# can we decrypt signature?
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val_array = val.split(sep2)
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# self.log('val_array =',val_array)
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time_b,sender_pubkey_b,receiver_pubkey_b,msg,signature = val_array
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if not signature: return None
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sender_pubkey=load_pubkey(sender_pubkey_b)
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authentic = verify_signature(signature,msg,sender_pubkey)
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if not authentic:
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self.log('inauthentic message!')
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return None
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# ### FOURTH LINE: CONTENT ENCRYPTION
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# if private_key is None:
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# private_key=self.private_key_global
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# val_encr = base64.b64decode(val_encr)
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# val_encr_key = base64.b64decode(val_encr_key)
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# self.log(f"""decrypting
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# val_encr = {val_encr}
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# val_encr_key = {val_encr_key}
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# iv = {iv}
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# private_key = {private_key}
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# """)
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# val = _decrypt_aes()
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# self.log('val after decryption = ',val)
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# valdec = base64.b64decode(val)
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WDV={
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'time':float(time_b.decode()),
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'val':base64.b64decode(msg),
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'to':receiver_pubkey_b,
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'from':sender_pubkey_b,
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'sign':signature
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}
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# self.log('GOT WDV:',WDV)
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return WDV
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#,signature
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async def set(self,key_or_keys,value_or_values,private_signature_key=None,encode_data=True):
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async def _set():
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# self.log('async _set()',self.node)
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# node=self.node
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#node=await _getdb(self)
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node=await self.node
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def proc(value):
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if encode_data:
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return self.encode_data(value,private_signature_key=private_signature_key)
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return value
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if type(key_or_keys) in {list,tuple,dict}:
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keys = key_or_keys
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values = value_or_values
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assert len(keys)==len(values)
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tasks=[
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node.set(
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key,
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proc(value)
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)
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for key,value in zip(keys,values)
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]
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res = await asyncio.gather(*tasks)
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# self.log('RES?',res)
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else:
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key = key_or_keys
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value = value_or_values
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res = await node.set(key,proc(value))
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#node.stop()
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return res
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return await _set()
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async def get_json(self,key_or_keys,decode_data=True):
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def jsonize(entry):
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# self.log('jsonize!',entry)
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if not entry: return entry
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if not 'val' in entry: return entry
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val=entry['val']
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try:
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dat=json.loads(val) if val else val
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except UnicodeDecodeError:
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dat=val
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# self.log('dat??',dat)
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entry['val']=dat
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return entry
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def jsonize_res(res):
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# parse differently?
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if type(res)==list:
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jsonl=[jsonize(entry) for entry in res]
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return jsonl
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else:
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entry = res
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return jsonize(entry)
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# if key_or_keys.startsiwth('/post/'):
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res = await self.get(key_or_keys,decode_data=decode_data)
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#self.log('get_json() got',res)
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if not res: return None
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return jsonize_res(res)
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async def set_json(self,key,value,private_signature_key=None,encode_data=False):
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value_json = jsonify(value)
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# self.log('OH NO!',sys.getsizeof(value_json))
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return await self.set(key,value_json,private_signature_key=None,encode_data=False)
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async def has(self,key):
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val=await self.get(key)
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return val is not None
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## PERSONS
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async def get_person(self,username):
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return await self.get('/person/'+username,decode_data=False)
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async def set_person(self,username,pem_public_key):
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# pem_public_key = save_public_key(public_key,return_instead=True)
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#obj = {'name':username, 'public_key':pem_public_key}
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# await self.set_json('/person/'+username,obj)
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await self.set('/person/'+username,pem_public_key,
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private_signature_key=None,encode_data=False)
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## Register
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async def register(self,name,passkey=None):
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# if not (name and passkey): return {'error':'Name and password needed'}
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person = await self.get_person(name)
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if person is not None: return {'error':'Person already exists'}
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private_key = generate_rsa_key()
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public_key = private_key.public_key()
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pem_private_key = serialize_privkey(private_key, password=passkey)# save_private_key(private_key,password=passkey,return_instead=True)
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pem_public_key = serialize_pubkey(public_key)
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# save pub key in db
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await self.set_person(name,pem_public_key)
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# save priv key on hardware
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fn_privkey = os.path.join(KEYDIR,f'.{name}.key')
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self.log('priv key =',pem_private_key)
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write_key_b(pem_private_key, fn_privkey)
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# good
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return {'success':'Account created', 'username':name}
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def load_private_key(self,password):
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#if not self.app_storage.exists('_keys'): return {'error':'No login keys present on this device'}
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pem_private_key=self.app_storage.get('_keys').get('private')
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# self.log('my private key ====',pem_private_key)
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try:
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return {'success':load_privkey(pem_private_key,password)}
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except ValueError as e:
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self.log('!!',e)
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return {'error':'Incorrect password'}
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|
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## LOGIN
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async def login(self,name,passkey):
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# verify input
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if not (name and passkey):
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return {'error':'Name and password required'}
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# try to load private key
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private_key_dat = self.load_private_key(passkey)
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if 'error' in private_key_dat:
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return {'error':private_key_dat['error']}
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if not 'success' in private_key_dat:
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return {'error':'Incorrect password?'}
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self._private_key = private_key = private_key_dat['success']
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# see if user exists
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person = await self.get_person(name)
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# self.log(person)
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if person is None:
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return {'error':'Login failed'}
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|
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# verify keys
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# self.log('got person =',person)
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person_public_key_pem = person['public_key']
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public_key = load_pubkey(person_public_key_pem) #load_public_key(person_public_key_pem.encode())
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self._public_key = real_public_key = private_key.public_key()
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#log('PUBLIC',public_key.public_numbers())
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#log('REAL PUBLIC',real_public_key.public_numbers())
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if public_key.public_numbers() != real_public_key.public_numbers():
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return {'error':'Keys do not match!'}
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return {'success':'Login successful', 'username':name}
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|
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#@property
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def get_keys(self):
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res={}
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for priv_key_fn in os.listdir(KEYDIR):
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if (not priv_key_fn.startswith('.') and priv_key_fn.endswith('.key')): continue
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fnfn = os.path.join(KEYDIR,priv_key_fn)
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priv_key=load_privkey_fn(fnfn)
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pub_key=priv_key.public_key()
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name_key= priv_key_fn.split('.')[1:-1]
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res[name_key] = (pub_key, priv_key)
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return res
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@property
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def keys():
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if not hasattr(self,'_keys'): self._keys = self.get_keys()
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return self._keys
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|
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async def append_json(self,key,data):
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sofar=await self.get_json_val(key)
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if sofar is None: sofar = []
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if type(sofar)!=list: sofar=[sofar]
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if type(data)!=list: data=[data]
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new=sofar + data
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if await self.set_json(key, new):
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return {'success':'Length increased to %s' % len(new)}
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return {'error':'Could not append json'}
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|
|
async def upload(self,filename,file_id=None, uri='/file/',uri_part='/part/'):
|
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import sys
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|
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if not file_id: file_id = get_random_id()
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part_ids = []
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part_keys = []
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parts=[]
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PARTS=[]
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buffer_size=100
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for part in bytes_from_file(filename,chunksize=1024*2):
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part_id = get_random_id()
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part_ids.append(part_id)
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part_key='/part/'+part_id
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part_keys.append(part_key)
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parts.append(part)
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# PARTS.append(part)
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|
|
# self.log('part!:',sys.getsizeof(part))
|
|
#self.set(part_key,part)
|
|
|
|
if len(parts)>=buffer_size:
|
|
# self.log('setting...')
|
|
await self.set(part_keys,parts)
|
|
part_keys=[]
|
|
PARTS+=parts
|
|
parts=[]
|
|
|
|
# set all parts
|
|
#self.set(part_keys,PARTS)
|
|
# self.log('# parts:',len(PARTS))
|
|
if parts and part_keys:
|
|
await self.set(part_keys, parts)
|
|
|
|
# how many parts?
|
|
# self.log('# pieces!',len(part_ids))
|
|
|
|
file_store = {'ext':os.path.splitext(filename)[-1][1:], 'parts':part_ids}
|
|
# self.log('FILE STORE??',file_store)
|
|
await self.set_json(uri+file_id,file_store)
|
|
|
|
# file_store['data'].seek(0)
|
|
file_store['id']=file_id
|
|
return file_store
|
|
|
|
async def download(self,file_id):
|
|
self.log('file_id =',file_id)
|
|
file_store = await self.get_json_val('/file/'+file_id)
|
|
self.log('file_store =',file_store)
|
|
if file_store is None: return
|
|
|
|
self.log('file_store!?',file_store)
|
|
keys = ['/part/'+x for x in file_store['parts']]
|
|
|
|
#time,pieces,pub,sign = await self.get_json_val(keys)
|
|
pieces = await self.get_json_val(keys)
|
|
self.log('pieces = ',pieces)
|
|
file_store['parts_data']=pieces
|
|
return file_store
|
|
|
|
#def get_current_event_id(self):
|
|
# return self.get_json_val(self,'/current/event/id')
|
|
|
|
# def get_uri(self):
|
|
# event_id = self.get_current_event_id()
|
|
# event_id=1 if event_id is None else int(event_id)
|
|
# return f'/post/{event_id}'
|
|
|
|
async def flush(self):
|
|
self.log('saving back to db file...')
|
|
node = await self.node
|
|
node.storage.dump()
|
|
self.log('DONE saving back to db file...')
|
|
|
|
|
|
|
|
async def post(self,data,channels = ['earth'], add_profile=True):
|
|
post_id=get_random_id()
|
|
res = await self.set_json('/post/'+post_id, data)
|
|
self.log('Api.post() got data back from set_json():',res)
|
|
|
|
# ## add to channels
|
|
res = await asyncio.gather(*[
|
|
self.append_json(f'/posts/channel/{channel}',post_id) for channel in channels
|
|
])
|
|
|
|
# ## add to user
|
|
un=data.get('author')
|
|
if un and add_profile: await self.append_json('/posts/author/'+un, post_id)
|
|
|
|
if res:
|
|
asyncio.create_task(self.flush())
|
|
return {'success':'Posted! %s' % post_id, 'post_id':post_id}
|
|
return {'error':'Post failed'}
|
|
|
|
async def get_json_val(self,uri,decode_data=True):
|
|
res=await self.get_json(uri,decode_data=decode_data)
|
|
r=None
|
|
if type(res) == dict:
|
|
r=res.get('val',None) if res is not None else None
|
|
elif type(res) == list:
|
|
r=[x.get('val',None) for x in res if x is not None]
|
|
self.log(f'get_json_val() --> {r}')
|
|
return r
|
|
|
|
async def get_post(self,post_id):
|
|
return await self.get_json_val(post_id,decode_data=True)
|
|
|
|
async def get_posts(self,uri='/posts/channel/earth'):
|
|
# index = await self.get_json_val('/posts'+uri)
|
|
self.log(f'api.get_posts(uri={uri}) --> ...')
|
|
index = await self.get_json_val(uri,decode_data=True)
|
|
|
|
|
|
if index is None: return []
|
|
if type(index)!=list: index=[index]
|
|
self.log('got index?',index)
|
|
index = [x for x in index if x is not None]
|
|
|
|
## get full json
|
|
return await self.get_json(['/post/'+x for x in index])
|
|
|
|
|
|
|
|
|
|
|
|
## func
|
|
|
|
def bytes_from_file(filename,chunksize=8192):
|
|
with open(filename, 'rb') as f:
|
|
while True:
|
|
piece = f.read(chunksize)
|
|
if not piece:
|
|
break
|
|
yield piece
|
|
|
|
def get_random_id():
|
|
import uuid
|
|
return uuid.uuid4().hex
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def test_api():
|
|
|
|
# api.set(['a','b','c'],[1,2,3])
|
|
async def run():
|
|
api = Api()
|
|
# await api.connect()
|
|
|
|
#await api.set_json('whattttt',{'aaaaa':12222})
|
|
#await api.set_json('whattttt',[111])
|
|
#await api.set_json('whattttt',[111])
|
|
|
|
#val = await api.get_json('whattttt')
|
|
|
|
server = await _getdb(api)
|
|
await server.set('a',1)
|
|
print(await server.get('a'))
|
|
await asyncio.sleep(5)
|
|
await server.set('a',2)
|
|
|
|
print(await server.get('a'))
|
|
await asyncio.sleep(5)
|
|
|
|
await server.set('a',str([2,3,4,5]))
|
|
print(await server.get('a'))
|
|
await asyncio.sleep(5)
|
|
|
|
val = await server.get('a')
|
|
|
|
|
|
|
|
print(f'VAL = {val}')
|
|
return val
|
|
|
|
asyncio.run(run())
|
|
|
|
|
|
def test_basic():
|
|
import asyncio
|
|
from kademlia.network import Server
|
|
|
|
#api = Api()
|
|
|
|
# not working!
|
|
#api.set_json('my key',{'a':'value'})
|
|
|
|
async def run():
|
|
# Create a node and start listening on port 5678
|
|
node = Server()
|
|
await node.listen(5678)
|
|
|
|
# Bootstrap the node by connecting to other known nodes, in this case
|
|
# replace 123.123.123.123 with the IP of another node and optionally
|
|
# give as many ip/port combos as you can for other nodes.
|
|
await node.bootstrap(NODES_PRIME)
|
|
|
|
# set a value for the key "my-key" on the network
|
|
await node.set("my-key", "my awesome value")
|
|
await node.set("my-key", "my awesome value2")
|
|
await node.set("my-key", "my awesome value3")
|
|
|
|
|
|
# get the value associated with "my-key" from the network
|
|
result = await node.get("my-key")
|
|
|
|
print(result)
|
|
return result
|
|
|
|
res = asyncio.run(run())
|
|
print('res = ',res)
|
|
# res = asyncio.run(node.set(key,value))
|
|
# print(res)
|
|
|
|
def test_provided_eg():
|
|
import asyncio
|
|
from kademlia.network import Server
|
|
|
|
async def run():
|
|
# Create a node and start listening on port 5678
|
|
node = Server()
|
|
await node.listen(5678)
|
|
|
|
# Bootstrap the node by connecting to other known nodes, in this case
|
|
# replace 123.123.123.123 with the IP of another node and optionally
|
|
# give as many ip/port combos as you can for other nodes.
|
|
await node.bootstrap(NODES_PRIME)
|
|
|
|
# set a value for the key "my-key" on the network
|
|
await node.set("my-key", "my awesome value")
|
|
|
|
# get the value associated with "my-key" from the network
|
|
result = await node.get("my-key")
|
|
|
|
print(result)
|
|
|
|
asyncio.run(run())
|
|
|
|
|
|
|
|
async def lonely_selfless_node():
|
|
from api import Api,PORT_LISTEN
|
|
API = Api()
|
|
return await API.connect_forever(8467)
|
|
|
|
|
|
def boot_lonely_selfless_node(port=8467):
|
|
API = Api()
|
|
asyncio.run(API.connect_forever())
|
|
|
|
|
|
def init_entities(usernames = ['earth']):
|
|
## make global entity called earth
|
|
|
|
#loop=asyncio.new_event_loop()
|
|
|
|
async def register(username):
|
|
API = Api()
|
|
#await API.connect_forever()
|
|
await API.register(username)
|
|
print('done')
|
|
|
|
|
|
for un in usernames:
|
|
asyncio.run(register(un))
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if __name__=='__main__':
|
|
init_entities() |