from electrum.util import print_error
+
import httplib, urllib
+import socket
import hashlib
import json
from urlparse import urlparse, parse_qs
try:
import PyQt4
-except:
+except Exception:
sys.exit("Error: Could not import PyQt4 on Linux systems, you may try 'sudo apt-get install python-qt4'")
from PyQt4.QtGui import *
from PyQt4.QtCore import *
import PyQt4.QtCore as QtCore
import PyQt4.QtGui as QtGui
+import aes
+import base64
+from electrum.plugins import BasePlugin
+from electrum.i18n import _
-target_host = 'labelectrum.herokuapp.com'
-auth_token = 'naFniLDwQpHzoMkpwB8H'
-
-def init(gui):
- cloud_wallet = CloudWallet(gui.wallet)
- gui.set_hook('create_settings_tab', add_settings_tab)
- gui.set_hook('label_changed', label_changed)
- cloud_wallet.full_pull()
-
-def wallet_id(wallet):
- return hashlib.sha256(str(wallet.get_master_public_key())).digest().encode('hex')
-
-def label_changed(gui,item,label):
- print "Label changed! Item: %s Label: %s label" % ( item, label)
- global auth_token, target_host
- hashed = hashlib.sha256(item).digest().encode('hex')
- bundle = {"label": {"external_id": hashed, "text": label}}
- params = json.dumps(bundle)
- connection = httplib.HTTPConnection(target_host)
- connection.request("POST", ("/api/wallets/%s/labels.json?auth_token=%s" % (wallet_id(gui.wallet), auth_token)), params, {'Content-Type': 'application/json'})
-
- response = connection.getresponse()
- if response.reason == httplib.responses[httplib.NOT_FOUND]:
- return
- response = json.loads(response.read())
-
-def add_settings_tab(gui, tabs):
- cloud_tab = QWidget()
- layout = QGridLayout(cloud_tab)
- layout.addWidget(QLabel("API Key: "),0,0)
- layout.addWidget(QLineEdit("jEnsNBb5fAR5rYSBNYnR"), 0,2)
+from electrum_gui.qt import HelpButton, EnterButton
- layout.addWidget(QLabel("Label sync options: "),1,0)
+class Plugin(BasePlugin):
- upload = QPushButton("Force upload")
- upload.clicked.connect(lambda: full_push(gui.wallet))
- layout.addWidget(upload, 1,1)
+ def fullname(self):
+ return _('Label Sync')
- download = QPushButton("Force download")
- download.clicked.connect(lambda: full_pull(gui.wallet))
- layout.addWidget(download, 1,2)
+ def description(self):
+ 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."))
- tabs.addTab(cloud_tab, "Label cloud")
+ def version(self):
+ return "0.2.1"
-def full_push(wallet):
- cloud_wallet = CloudWallet(wallet)
- cloud_wallet.full_push()
- print "Labels pushed"
+ def encode(self, message):
+ encrypted = aes.encryptData(self.encode_password, unicode(message))
+ encoded_message = base64.b64encode(encrypted)
-def full_pull(wallet):
- cloud_wallet = CloudWallet(wallet)
- cloud_wallet.full_pull()
- print "Labels pulled, please restart your client"
+ return encoded_message
-def show():
- print 'showing'
+ def decode(self, message):
+ decoded_message = aes.decryptData(self.encode_password, base64.b64decode(unicode(message)) )
-def get_info():
- return 'Label sync', "Syncs your labels with LabElectrum. Labels are not encrypted, transactions and addresses are however."
+ return decoded_message
-def is_enabled():
- return True
-def toggle(gui):
- return is_enabled()
+ def init(self):
+ self.target_host = 'labelectrum.herokuapp.com'
+ self.window = self.gui.main_window
-# This can probably be refactored into plain top level methods instead of a class
-class CloudWallet():
- def __init__(self, wallet):
- self.mpk = hashlib.sha256(str(wallet.get_master_public_key())).digest().encode('hex')
- self.labels = wallet.labels
- self.transactions = wallet.transactions
+ def load_wallet(self, wallet):
+ self.wallet = wallet
+ if self.wallet.get_master_public_key():
+ mpk = self.wallet.get_master_public_key()
+ else:
+ mpk = self.wallet.master_public_keys["m/0'/"][1]
+ self.encode_password = hashlib.sha1(mpk).digest().encode('hex')[:32]
+ self.wallet_id = hashlib.sha256(mpk).digest().encode('hex')
addresses = []
- for k, account in wallet.accounts.items():
- for address in account[0]:
+ for account in self.wallet.accounts.values():
+ for address in account.get_addresses(0):
addresses.append(address)
self.addresses = addresses
+ if self.auth_token():
+ # If there is an auth token we can try to actually start syncing
+ self.full_pull()
- def full_pull(self):
- global target_host, auth_token
- connection = httplib.HTTPConnection(target_host)
- connection.request("GET", ("/api/wallets/%s/labels.json?auth_token=%s" % (self.mpk, auth_token)),"", {'Content-Type': 'application/json'})
- response = connection.getresponse()
- if response.reason == httplib.responses[httplib.NOT_FOUND]:
- return
+ def auth_token(self):
+ return self.config.get("plugin_label_api_key")
+ def is_available(self):
+ return True
+
+ def requires_settings(self):
+ return True
+
+ def set_label(self, item,label, changed):
+ if not changed:
+ return
try:
+ bundle = {"label": {"external_id": self.encode(item), "text": self.encode(label)}}
+ params = json.dumps(bundle)
+ connection = httplib.HTTPConnection(self.target_host)
+ connection.request("POST", ("/api/wallets/%s/labels.json?auth_token=%s" % (self.wallet_id, self.auth_token())), params, {'Content-Type': 'application/json'})
+
+ response = connection.getresponse()
+ if response.reason == httplib.responses[httplib.NOT_FOUND]:
+ return
response = json.loads(response.read())
- except ValueError as e:
- return
-
- for label in response:
- for key in self.addresses:
- target_hashed = hashlib.sha256(key).digest().encode('hex')
- if label["external_id"] == target_hashed:
- if not self.labels.get(key):
- self.labels[key] = label["text"]
- for key, value in self.transactions.iteritems():
- target_hashed = hashlib.sha256(key).digest().encode('hex')
- if label["external_id"] == target_hashed:
- if not self.labels.get(key):
- self.labels[key] = label["text"]
+ except socket.gaierror as e:
+ print_error('Error connecting to service: %s ' % e)
+ return False
+
+ def settings_widget(self, window):
+ return EnterButton(_('Settings'), self.settings_dialog)
+
+ def settings_dialog(self):
+ def check_for_api_key(api_key):
+ if api_key and len(api_key) > 12:
+ self.config.set_key("plugin_label_api_key", str(self.auth_token_edit.text()))
+ self.upload.setEnabled(True)
+ self.download.setEnabled(True)
+ self.accept.setEnabled(True)
+ else:
+ self.upload.setEnabled(False)
+ self.download.setEnabled(False)
+ self.accept.setEnabled(False)
+
+ d = QDialog()
+ layout = QGridLayout(d)
+ layout.addWidget(QLabel("API Key: "),0,0)
+
+ self.auth_token_edit = QLineEdit(self.auth_token())
+ self.auth_token_edit.textChanged.connect(check_for_api_key)
+
+ layout.addWidget(QLabel("Label sync options: "),2,0)
+ layout.addWidget(self.auth_token_edit, 0,1,1,2)
+
+ decrypt_key_text = QLineEdit(self.encode_password)
+ decrypt_key_text.setReadOnly(True)
+ layout.addWidget(decrypt_key_text, 1,1)
+ layout.addWidget(QLabel("Decryption key: "),1,0)
+ 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)
+
+ self.upload = QPushButton("Force upload")
+ self.upload.clicked.connect(self.full_push)
+ layout.addWidget(self.upload, 2,1)
+
+ self.download = QPushButton("Force download")
+ self.download.clicked.connect(lambda: self.full_pull(True))
+ layout.addWidget(self.download, 2,2)
+
+ c = QPushButton(_("Cancel"))
+ c.clicked.connect(d.reject)
+
+ self.accept = QPushButton(_("Done"))
+ self.accept.clicked.connect(d.accept)
+
+ layout.addWidget(c,3,1)
+ layout.addWidget(self.accept,3,2)
+
+ check_for_api_key(self.auth_token())
+
+ if d.exec_():
+ return True
+ else:
+ return False
+
+ def enable(self):
+ if not self.auth_token(): # First run, throw plugin settings in your face
+ self.init()
+ self.load_wallet(self.gui.main_window.wallet)
+ if self.settings_dialog():
+ self.set_enabled(True)
+ return True
+ else:
+ self.set_enabled(False)
+ return False
+
+ self.set_enabled(True)
+ return True
+
def full_push(self):
- global target_host, auth_token
-
- bundle = {"labels": {}}
- for key, value in self.labels.iteritems():
- hashed = hashlib.sha256(key).digest().encode('hex')
- bundle["labels"][hashed] = value
-
- params = json.dumps(bundle)
- connection = httplib.HTTPConnection(target_host)
- connection.request("POST", ("/api/wallets/%s/labels/batch.json?auth_token=%s" % (self.mpk, auth_token)), params, {'Content-Type': 'application/json'})
-
- response = connection.getresponse()
- if response.reason == httplib.responses[httplib.NOT_FOUND]:
- return
- response = json.loads(response.read())
- print response
+ if self.do_full_push():
+ QMessageBox.information(None, _("Labels uploaded"), _("Your labels have been uploaded."))
+
+ def full_pull(self, force = False):
+ if self.do_full_pull(force) and force:
+ QMessageBox.information(None, _("Labels synchronized"), _("Your labels have been synchronized."))
+ self.window.update_history_tab()
+ self.window.update_completions()
+ self.window.update_receive_tab()
+ self.window.update_contacts_tab()
+
+ def do_full_push(self):
+ try:
+ bundle = {"labels": {}}
+ for key, value in self.wallet.labels.iteritems():
+ encoded = self.encode(key)
+ bundle["labels"][encoded] = self.encode(value)
+
+ params = json.dumps(bundle)
+ connection = httplib.HTTPConnection(self.target_host)
+ connection.request("POST", ("/api/wallets/%s/labels/batch.json?auth_token=%s" % (self.wallet_id, self.auth_token())), params, {'Content-Type': 'application/json'})
+
+ response = connection.getresponse()
+ if response.reason == httplib.responses[httplib.NOT_FOUND]:
+ return
+ try:
+ response = json.loads(response.read())
+ except ValueError as e:
+ return False
+
+ if "error" in response:
+ QMessageBox.warning(None, _("Error"),_("Could not sync labels: %s" % response["error"]))
+ return False
+
+ return True
+ except socket.gaierror as e:
+ print_error('Error connecting to service: %s ' % e)
+ return False
+
+ def do_full_pull(self, force = False):
+ try:
+ connection = httplib.HTTPConnection(self.target_host)
+ connection.request("GET", ("/api/wallets/%s/labels.json?auth_token=%s" % (self.wallet_id, self.auth_token())),"", {'Content-Type': 'application/json'})
+ response = connection.getresponse()
+ if response.reason == httplib.responses[httplib.NOT_FOUND]:
+ return
+ try:
+ response = json.loads(response.read())
+ except ValueError as e:
+ return False
+
+ if "error" in response:
+ QMessageBox.warning(None, _("Error"),_("Could not sync labels: %s" % response["error"]))
+ return False
+
+ for label in response:
+ decoded_key = self.decode(label["external_id"])
+ decoded_label = self.decode(label["text"])
+ if force or not self.wallet.labels.get(decoded_key):
+ self.wallet.labels[decoded_key] = decoded_label
+ return True
+ except socket.gaierror as e:
+ print_error('Error connecting to service: %s ' % e)
+ return False