210 lines
7.5 KiB
Python
210 lines
7.5 KiB
Python
import socket
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import requests
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import threading
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import hashlib
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import json
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import sys
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import traceback
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from functools import partial
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import aes
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import base64
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import electrum
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from electrum.plugins import BasePlugin, hook
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from electrum.i18n import _
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class Plugin(BasePlugin):
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def __init__(self, parent, config, name):
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BasePlugin.__init__(self, parent, config, name)
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self.target_host = 'sync.bytesized-hosting.com:9090'
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self.wallets = {}
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def encode(self, wallet, msg):
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password, iv, wallet_id = self.wallets[wallet]
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encrypted = electrum.bitcoin.aes_encrypt_with_iv(password, iv,
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msg.encode('utf8'))
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return base64.b64encode(encrypted)
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def decode(self, wallet, message):
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password, iv, wallet_id = self.wallets[wallet]
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decoded = base64.b64decode(message)
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decrypted = electrum.bitcoin.aes_decrypt_with_iv(password, iv, decoded)
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return decrypted.decode('utf8')
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def get_nonce(self, wallet):
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# nonce is the nonce to be used with the next change
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nonce = wallet.storage.get('wallet_nonce')
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if nonce is None:
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nonce = 1
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self.set_nonce(wallet, nonce)
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return nonce
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def set_nonce(self, wallet, nonce, force_write=True):
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self.print_error("set", wallet.basename(), "nonce to", nonce)
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wallet.storage.put("wallet_nonce", nonce, force_write)
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@hook
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def set_label(self, wallet, item, label):
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if not wallet in self.wallets:
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return
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nonce = self.get_nonce(wallet)
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wallet_id = self.wallets[wallet][2]
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bundle = {"walletId": wallet_id,
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"walletNonce": nonce,
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"externalId": self.encode(wallet, item),
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"encryptedLabel": self.encode(wallet, label)}
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t = threading.Thread(target=self.do_request,
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args=["POST", "/label", False, bundle])
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t.setDaemon(True)
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t.start()
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# Caller will write the wallet
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self.set_nonce(wallet, nonce + 1, force_write=False)
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def do_request(self, method, url = "/labels", is_batch=False, data=None):
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url = 'https://' + self.target_host + url
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kwargs = {'headers': {}}
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if method == 'GET' and data:
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kwargs['params'] = data
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elif method == 'POST' and data:
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kwargs['data'] = json.dumps(data)
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kwargs['headers']['Content-Type'] = 'application/json'
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response = requests.request(method, url, **kwargs)
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if response.status_code != 200:
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raise BaseException(response.status_code, response.text)
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response = response.json()
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if "error" in response:
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raise BaseException(response["error"])
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return response
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def push_thread(self, wallet):
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wallet_id = self.wallets[wallet][2]
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bundle = {"labels": [],
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"walletId": wallet_id,
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"walletNonce": self.get_nonce(wallet)}
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for key, value in wallet.labels.iteritems():
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try:
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encoded_key = self.encode(wallet, key)
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encoded_value = self.encode(wallet, value)
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except:
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self.print_error('cannot encode', repr(key), repr(value))
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continue
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bundle["labels"].append({'encryptedLabel': encoded_value,
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'externalId': encoded_key})
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self.do_request("POST", "/labels", True, bundle)
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def pull_thread(self, wallet, force):
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wallet_id = self.wallets[wallet][2]
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nonce = 1 if force else self.get_nonce(wallet) - 1
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self.print_error("asking for labels since nonce", nonce)
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try:
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response = self.do_request("GET", ("/labels/since/%d/for/%s" % (nonce, wallet_id) ))
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if response["labels"] is None:
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self.print_error('no new labels')
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return
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result = {}
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for label in response["labels"]:
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try:
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key = self.decode(wallet, label["externalId"])
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value = self.decode(wallet, label["encryptedLabel"])
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except:
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continue
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try:
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json.dumps(key)
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json.dumps(value)
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except:
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self.print_error('error: no json', key)
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continue
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result[key] = value
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for key, value in result.items():
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if force or not wallet.labels.get(key):
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wallet.labels[key] = value
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self.print_error("received %d labels" % len(response))
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# do not write to disk because we're in a daemon thread
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wallet.storage.put('labels', wallet.labels, False)
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self.set_nonce(wallet, response["nonce"] + 1, False)
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self.on_pulled(wallet)
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except Exception as e:
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traceback.print_exc(file=sys.stderr)
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self.print_error("could not retrieve labels")
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from PyQt4.QtGui import *
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from PyQt4.QtCore import *
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import PyQt4.QtCore as QtCore
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import PyQt4.QtGui as QtGui
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from electrum_gui.qt import HelpButton, EnterButton
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from electrum_gui.qt.util import ThreadedButton, Buttons, CancelButton, OkButton
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class QtPlugin(Plugin):
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def __init__(self, *args):
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Plugin.__init__(self, *args)
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self.obj = QObject()
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def requires_settings(self):
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return True
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def settings_widget(self, window):
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return EnterButton(_('Settings'),
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partial(self.settings_dialog, window))
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def settings_dialog(self, window):
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d = QDialog(window)
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vbox = QVBoxLayout(d)
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layout = QGridLayout()
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vbox.addLayout(layout)
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layout.addWidget(QLabel("Label sync options: "), 2, 0)
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self.upload = ThreadedButton("Force upload",
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partial(self.push_thread, window.wallet),
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self.done_processing)
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layout.addWidget(self.upload, 2, 1)
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self.download = ThreadedButton("Force download",
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partial(self.pull_thread, window.wallet, True),
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self.done_processing)
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layout.addWidget(self.download, 2, 2)
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self.accept = OkButton(d, _("Done"))
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vbox.addLayout(Buttons(CancelButton(d), self.accept))
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if d.exec_():
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return True
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else:
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return False
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def on_pulled(self, wallet):
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self.obj.emit(SIGNAL('labels_changed'), wallet)
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def done_processing(self):
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QMessageBox.information(None, _("Labels synchronised"),
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_("Your labels have been synchronised."))
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@hook
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def on_new_window(self, window):
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window.connect(window.app, SIGNAL('labels_changed'), window.update_tabs)
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wallet = window.wallet
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nonce = self.get_nonce(wallet)
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self.print_error("wallet", wallet.basename(), "nonce is", nonce)
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mpk = ''.join(sorted(wallet.get_master_public_keys().values()))
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if not mpk:
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return
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password = hashlib.sha1(mpk).digest().encode('hex')[:32]
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iv = hashlib.sha256(password).digest()[:16]
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wallet_id = hashlib.sha256(mpk).digest().encode('hex')
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self.wallets[wallet] = (password, iv, wallet_id)
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# If there is an auth token we can try to actually start syncing
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t = threading.Thread(target=self.pull_thread, args=(wallet, False))
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t.setDaemon(True)
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t.start()
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@hook
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def on_close_window(self, window):
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self.wallets.pop(window.wallet)
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