233 lines
8.5 KiB
Python
233 lines
8.5 KiB
Python
from electrum.util import print_error
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import httplib, urllib
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import socket
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import hashlib
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import json
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from urlparse import urlparse, parse_qs
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try:
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import PyQt4
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except Exception:
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sys.exit("Error: Could not import PyQt4 on Linux systems, you may try 'sudo apt-get install python-qt4'")
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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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import aes
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import base64
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from electrum import bmp, pyqrnative
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from electrum.plugins import BasePlugin
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from electrum.i18n import _
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from electrum_gui.qt import HelpButton, EnterButton
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class Plugin(BasePlugin):
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def fullname(self):
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return _('Label Sync')
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def description(self):
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return '%s\n\n%s%s%s' % (_("This plugin can sync your labels across multiple Electrum installs by using a remote database to save your data. Labels, transactions and addresses are all sent and stored encrypted on the remote server. This code might increase the load of your wallet with a few microseconds as it will sync labels on each startup."), _("To get started visit"), " http://labelectrum.herokuapp.com/ ", _(" to sign up for an account."))
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def version(self):
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return "0.2.1"
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def encode(self, message):
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encrypted = aes.encryptData(self.encode_password, unicode(message))
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encoded_message = base64.b64encode(encrypted)
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return encoded_message
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def decode(self, message):
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decoded_message = aes.decryptData(self.encode_password, base64.b64decode(unicode(message)) )
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return decoded_message
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def init(self):
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self.target_host = 'labelectrum.herokuapp.com'
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self.window = self.gui.main_window
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def load_wallet(self, wallet):
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self.wallet = wallet
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if self.wallet.get_master_public_key():
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mpk = self.wallet.get_master_public_key()
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else:
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mpk = self.wallet.master_public_keys["m/0'/"][1]
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self.encode_password = hashlib.sha1(mpk).digest().encode('hex')[:32]
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self.wallet_id = hashlib.sha256(mpk).digest().encode('hex')
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addresses = []
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for account in self.wallet.accounts.values():
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for address in account.get_addresses(0):
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addresses.append(address)
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self.addresses = addresses
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if self.auth_token():
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# If there is an auth token we can try to actually start syncing
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self.full_pull()
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def auth_token(self):
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return self.config.get("plugin_label_api_key")
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def is_available(self):
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return True
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def requires_settings(self):
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return True
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def set_label(self, item,label, changed):
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if not changed:
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return
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try:
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bundle = {"label": {"external_id": self.encode(item), "text": self.encode(label)}}
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params = json.dumps(bundle)
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connection = httplib.HTTPConnection(self.target_host)
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connection.request("POST", ("/api/wallets/%s/labels.json?auth_token=%s" % (self.wallet_id, self.auth_token())), params, {'Content-Type': 'application/json'})
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response = connection.getresponse()
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if response.reason == httplib.responses[httplib.NOT_FOUND]:
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return
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response = json.loads(response.read())
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except socket.gaierror as e:
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print_error('Error connecting to service: %s ' % e)
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return False
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def settings_widget(self, window):
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return EnterButton(_('Settings'), self.settings_dialog)
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def settings_dialog(self):
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def check_for_api_key(api_key):
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if api_key and len(api_key) > 12:
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self.config.set_key("plugin_label_api_key", str(self.auth_token_edit.text()))
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self.upload.setEnabled(True)
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self.download.setEnabled(True)
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self.accept.setEnabled(True)
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else:
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self.upload.setEnabled(False)
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self.download.setEnabled(False)
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self.accept.setEnabled(False)
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d = QDialog()
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layout = QGridLayout(d)
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layout.addWidget(QLabel("API Key: "),0,0)
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self.auth_token_edit = QLineEdit(self.auth_token())
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self.auth_token_edit.textChanged.connect(check_for_api_key)
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layout.addWidget(QLabel("Label sync options: "),2,0)
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layout.addWidget(self.auth_token_edit, 0,1,1,2)
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decrypt_key_text = QLineEdit(self.encode_password)
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decrypt_key_text.setReadOnly(True)
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layout.addWidget(decrypt_key_text, 1,1)
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layout.addWidget(QLabel("Decryption key: "),1,0)
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layout.addWidget(HelpButton("This key can be used on the LabElectrum website to decrypt your data in case you want to review it online."),1,2)
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self.upload = QPushButton("Force upload")
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self.upload.clicked.connect(self.full_push)
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layout.addWidget(self.upload, 2,1)
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self.download = QPushButton("Force download")
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self.download.clicked.connect(lambda: self.full_pull(True))
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layout.addWidget(self.download, 2,2)
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c = QPushButton(_("Cancel"))
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c.clicked.connect(d.reject)
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self.accept = QPushButton(_("Done"))
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self.accept.clicked.connect(d.accept)
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layout.addWidget(c,3,1)
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layout.addWidget(self.accept,3,2)
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check_for_api_key(self.auth_token())
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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 enable(self):
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if not self.auth_token(): # First run, throw plugin settings in your face
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self.init()
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self.load_wallet(self.gui.main_window.wallet)
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if self.settings_dialog():
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self.set_enabled(True)
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return True
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else:
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self.set_enabled(False)
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return False
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self.set_enabled(True)
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return True
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def full_push(self):
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if self.do_full_push():
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QMessageBox.information(None, _("Labels uploaded"), _("Your labels have been uploaded."))
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def full_pull(self, force = False):
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if self.do_full_pull(force) and force:
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QMessageBox.information(None, _("Labels synchronized"), _("Your labels have been synchronized."))
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self.window.update_history_tab()
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self.window.update_completions()
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self.window.update_receive_tab()
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self.window.update_contacts_tab()
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def do_full_push(self):
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try:
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bundle = {"labels": {}}
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for key, value in self.wallet.labels.iteritems():
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encoded = self.encode(key)
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bundle["labels"][encoded] = self.encode(value)
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params = json.dumps(bundle)
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connection = httplib.HTTPConnection(self.target_host)
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connection.request("POST", ("/api/wallets/%s/labels/batch.json?auth_token=%s" % (self.wallet_id, self.auth_token())), params, {'Content-Type': 'application/json'})
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response = connection.getresponse()
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if response.reason == httplib.responses[httplib.NOT_FOUND]:
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return
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try:
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response = json.loads(response.read())
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except ValueError as e:
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return False
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if "error" in response:
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QMessageBox.warning(None, _("Error"),_("Could not sync labels: %s" % response["error"]))
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return False
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return True
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except socket.gaierror as e:
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print_error('Error connecting to service: %s ' % e)
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return False
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def do_full_pull(self, force = False):
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try:
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connection = httplib.HTTPConnection(self.target_host)
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connection.request("GET", ("/api/wallets/%s/labels.json?auth_token=%s" % (self.wallet_id, self.auth_token())),"", {'Content-Type': 'application/json'})
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response = connection.getresponse()
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if response.reason == httplib.responses[httplib.NOT_FOUND]:
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return
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try:
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response = json.loads(response.read())
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except ValueError as e:
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return False
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if "error" in response:
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QMessageBox.warning(None, _("Error"),_("Could not sync labels: %s" % response["error"]))
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return False
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for label in response:
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decoded_key = self.decode(label["external_id"])
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decoded_label = self.decode(label["text"])
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if force or not self.wallet.labels.get(decoded_key):
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self.wallet.labels[decoded_key] = decoded_label
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return True
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except socket.gaierror as e:
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print_error('Error connecting to service: %s ' % e)
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return False
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