1 from electrum.util import print_error
7 from urlparse import urlparse, parse_qs
11 sys.exit("Error: Could not import PyQt4 on Linux systems, you may try 'sudo apt-get install python-qt4'")
13 from PyQt4.QtGui import *
14 from PyQt4.QtCore import *
15 import PyQt4.QtCore as QtCore
16 import PyQt4.QtGui as QtGui
19 from electrum import bmp, pyqrnative
20 from electrum.plugins import BasePlugin
21 from electrum.i18n import _
23 from electrum_gui.gui_classic import HelpButton
25 class Plugin(BasePlugin):
28 return _('Label Sync')
30 def description(self):
31 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."))
36 def encode(self, message):
37 encrypted = aes.encryptData(self.encode_password, unicode(message))
38 encoded_message = base64.b64encode(encrypted)
40 return encoded_message
42 def decode(self, message):
43 decoded_message = aes.decryptData(self.encode_password, base64.b64decode(unicode(message)) )
45 return decoded_message
49 self.target_host = 'labelectrum.herokuapp.com'
50 self.wallet = self.gui.wallet
51 self.labels = self.wallet.labels
52 self.transactions = self.wallet.transactions
53 mpk = self.wallet.master_public_keys["m/0'/"][1]
54 self.encode_password = hashlib.sha1(mpk).digest().encode('hex')[:32]
55 self.wallet_id = hashlib.sha256(mpk).digest().encode('hex')
58 for account in self.wallet.accounts.values():
59 for address in account.get_addresses(0):
60 addresses.append(address)
62 self.addresses = addresses
65 # If there is an auth token we can try to actually start syncing
69 return self.config.get("plugin_label_api_key")
71 def is_available(self):
74 def requires_settings(self):
77 def set_label(self, item,label, changed):
81 bundle = {"label": {"external_id": self.encode(item), "text": self.encode(label)}}
82 params = json.dumps(bundle)
83 connection = httplib.HTTPConnection(self.target_host)
84 connection.request("POST", ("/api/wallets/%s/labels.json?auth_token=%s" % (self.wallet_id, self.auth_token())), params, {'Content-Type': 'application/json'})
86 response = connection.getresponse()
87 if response.reason == httplib.responses[httplib.NOT_FOUND]:
89 response = json.loads(response.read())
90 except socket.gaierror as e:
91 print_error('Error connecting to service: %s ' % e)
94 def settings_dialog(self):
95 def check_for_api_key(api_key):
96 if api_key and len(api_key) > 12:
97 self.config.set_key("plugin_label_api_key", str(self.auth_token_edit.text()))
98 self.upload.setEnabled(True)
99 self.download.setEnabled(True)
100 self.accept.setEnabled(True)
102 self.upload.setEnabled(False)
103 self.download.setEnabled(False)
104 self.accept.setEnabled(False)
106 d = QDialog(self.gui)
107 layout = QGridLayout(d)
108 layout.addWidget(QLabel("API Key: "),0,0)
110 self.auth_token_edit = QLineEdit(self.auth_token())
111 self.auth_token_edit.textChanged.connect(check_for_api_key)
113 layout.addWidget(QLabel("Label sync options: "),2,0)
114 layout.addWidget(self.auth_token_edit, 0,1,1,2)
116 decrypt_key_text = QLineEdit(self.encode_password)
117 decrypt_key_text.setReadOnly(True)
118 layout.addWidget(decrypt_key_text, 1,1)
119 layout.addWidget(QLabel("Decryption key: "),1,0)
120 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)
122 self.upload = QPushButton("Force upload")
123 self.upload.clicked.connect(self.full_push)
124 layout.addWidget(self.upload, 2,1)
126 self.download = QPushButton("Force download")
127 self.download.clicked.connect(lambda: self.full_pull(True))
128 layout.addWidget(self.download, 2,2)
130 c = QPushButton(_("Cancel"))
131 c.clicked.connect(d.reject)
133 self.accept = QPushButton(_("Done"))
134 self.accept.clicked.connect(d.accept)
136 layout.addWidget(c,3,1)
137 layout.addWidget(self.accept,3,2)
139 check_for_api_key(self.auth_token())
147 if not self.auth_token(): # First run, throw plugin settings in your face
149 if self.settings_dialog():
150 self.set_enabled(True)
153 self.set_enabled(False)
158 if self.do_full_push():
159 QMessageBox.information(None, _("Labels uploaded"), _("Your labels have been uploaded."))
161 def full_pull(self, force = False):
162 if self.do_full_pull(force) and force:
163 QMessageBox.information(None, _("Labels synchronized"), _("Your labels have been synchronized."))
164 self.gui.update_history_tab()
165 self.gui.update_completions()
166 self.gui.update_receive_tab()
167 self.gui.update_contacts_tab()
169 def do_full_push(self):
171 bundle = {"labels": {}}
172 for key, value in self.labels.iteritems():
173 encoded = self.encode(key)
174 bundle["labels"][encoded] = self.encode(value)
176 params = json.dumps(bundle)
177 connection = httplib.HTTPConnection(self.target_host)
178 connection.request("POST", ("/api/wallets/%s/labels/batch.json?auth_token=%s" % (self.wallet_id, self.auth_token())), params, {'Content-Type': 'application/json'})
180 response = connection.getresponse()
181 if response.reason == httplib.responses[httplib.NOT_FOUND]:
184 response = json.loads(response.read())
185 except ValueError as e:
188 if "error" in response:
189 QMessageBox.warning(None, _("Error"),_("Could not sync labels: %s" % response["error"]))
193 except socket.gaierror as e:
194 print_error('Error connecting to service: %s ' % e)
197 def do_full_pull(self, force = False):
199 connection = httplib.HTTPConnection(self.target_host)
200 connection.request("GET", ("/api/wallets/%s/labels.json?auth_token=%s" % (self.wallet_id, self.auth_token())),"", {'Content-Type': 'application/json'})
201 response = connection.getresponse()
202 if response.reason == httplib.responses[httplib.NOT_FOUND]:
205 response = json.loads(response.read())
206 except ValueError as e:
209 if "error" in response:
210 QMessageBox.warning(None, _("Error"),_("Could not sync labels: %s" % response["error"]))
213 for label in response:
214 decoded_key = self.decode(label["external_id"])
215 decoded_label = self.decode(label["text"])
216 if force or not self.labels.get(decoded_key):
217 self.labels[decoded_key] = decoded_label
219 except socket.gaierror as e:
220 print_error('Error connecting to service: %s ' % e)