1 from electrum.util import print_error
2 from electrum_gui.i18n import _
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_gui import bmp, pyqrnative, BasePlugin
20 from electrum_gui.i18n import _
21 from electrum_gui.gui_classic import HelpButton
23 class Plugin(BasePlugin):
27 def encode(self, message):
28 encrypted = aes.encryptData(self.encode_password, unicode(message))
29 encoded_message = base64.b64encode(encrypted)
31 return encoded_message
33 def decode(self, message):
34 decoded_message = aes.decryptData(self.encode_password, base64.b64decode(unicode(message)) )
36 return decoded_message
38 def __init__(self, gui):
39 self.target_host = 'labelectrum.herokuapp.com'
40 BasePlugin.__init__(self, gui, 'labels', _('Label Sync'),_('This plugin can sync your labels accross multiple Electrum installs by using a remote database to save your data. Labels are not encrypted, \
41 transactions and addresses are however. This code might increase the load of your wallet with a few micoseconds as it will sync labels on each startup.\n\n\
42 To get started visit http://labelectrum.herokuapp.com/ to sign up for an account.'))
44 self.wallet = gui.wallet
46 self.config = gui.config
47 self.labels = self.wallet.labels
48 self.transactions = self.wallet.transactions
49 self.encode_password = hashlib.sha1(self.config.get("master_public_key")).digest().encode('hex')[:32]
51 self.wallet_id = hashlib.sha256(str(self.config.get("master_public_key"))).digest().encode('hex')
54 for k, account in self.wallet.accounts.items():
55 for address in account[0]:
56 addresses.append(address)
58 self.addresses = addresses
61 return self.config.get("plugin_label_api_key")
64 if self.is_enabled() and self.auth_token():
65 # If there is an auth token we can try to actually start syncing
68 def is_available(self):
71 def requires_settings(self):
74 def set_label(self, item,label, changed):
78 bundle = {"label": {"external_id": self.encode(item), "text": self.encode(label)}}
79 params = json.dumps(bundle)
80 connection = httplib.HTTPConnection(self.target_host)
81 connection.request("POST", ("/api/wallets/%s/labels.json?auth_token=%s" % (self.wallet_id, self.auth_token())), params, {'Content-Type': 'application/json'})
83 response = connection.getresponse()
84 if response.reason == httplib.responses[httplib.NOT_FOUND]:
86 response = json.loads(response.read())
87 except socket.gaierror as e:
88 print_error('Error connecting to service: %s ' % e)
91 def settings_dialog(self):
92 def check_for_api_key(api_key):
93 if api_key and len(api_key) > 12:
94 self.config.set_key("plugin_label_api_key", str(self.auth_token_edit.text()))
95 self.upload.setEnabled(True)
96 self.download.setEnabled(True)
97 self.accept.setEnabled(True)
99 self.upload.setEnabled(False)
100 self.download.setEnabled(False)
101 self.accept.setEnabled(False)
103 d = QDialog(self.gui)
104 layout = QGridLayout(d)
105 layout.addWidget(QLabel("API Key: "),0,0)
107 self.auth_token_edit = QLineEdit(self.auth_token())
108 self.auth_token_edit.textChanged.connect(check_for_api_key)
110 layout.addWidget(QLabel("Label sync options: "),2,0)
111 layout.addWidget(self.auth_token_edit, 0,1,1,2)
113 decrypt_key_text = QLineEdit(self.encode_password)
114 decrypt_key_text.setReadOnly(True)
115 layout.addWidget(decrypt_key_text, 1,1)
116 layout.addWidget(QLabel("Decryption key: "),1,0)
117 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)
119 self.upload = QPushButton("Force upload")
120 self.upload.clicked.connect(self.full_push)
121 layout.addWidget(self.upload, 2,1)
123 self.download = QPushButton("Force download")
124 self.download.clicked.connect(lambda: self.full_pull(True))
125 layout.addWidget(self.download, 2,2)
127 c = QPushButton(_("Cancel"))
128 c.clicked.connect(d.reject)
130 self.accept = QPushButton(_("Done"))
131 self.accept.clicked.connect(d.accept)
133 layout.addWidget(c,3,1)
134 layout.addWidget(self.accept,3,2)
136 check_for_api_key(self.auth_token())
144 enabled = not self.is_enabled()
145 self.set_enabled(enabled)
148 if not self.auth_token() and enabled: # 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)