194 lines
7.1 KiB
Python
194 lines
7.1 KiB
Python
from electrum.util import print_error
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from electrum_gui.i18n import _
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import httplib, urllib
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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:
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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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from electrum_gui import bmp, pyqrnative, BasePlugin
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from electrum_gui.i18n import _
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class Plugin(BasePlugin):
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def __init__(self, gui):
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self.target_host = 'labelectrum.herokuapp.com'
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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, \
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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\
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To get started visit http://labelectrum.herokuapp.com/ to sign up for an account.'))
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self.wallet = gui.wallet
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self.gui = gui
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self.config = gui.config
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self.labels = self.wallet.labels
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self.transactions = self.wallet.transactions
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self.wallet_id = hashlib.sha256(str(self.config.get("master_public_key"))).digest().encode('hex')
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addresses = []
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for k, account in self.wallet.accounts.items():
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for address in account[0]:
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addresses.append(address)
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self.addresses = addresses
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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 init_gui(self):
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if self.is_enabled() and 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 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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hashed = hashlib.sha256(item).digest().encode('hex')
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bundle = {"label": {"external_id": hashed, "text": 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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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(self.gui)
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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(self.auth_token_edit, 0,1,1,2)
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layout.addWidget(QLabel("Label sync options: "),1,0)
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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, 1,1)
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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, 1,2)
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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,2,1)
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layout.addWidget(self.accept,2,2)
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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 toggle(self):
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enabled = not self.is_enabled()
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self.set_enabled(enabled)
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self.init_gui()
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if not self.auth_token() and enabled: # First run, throw plugin settings in your face
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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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return enabled
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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.gui.update_history_tab()
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self.gui.update_completions()
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self.gui.update_receive_tab()
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self.gui.update_contacts_tab()
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def do_full_push(self):
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bundle = {"labels": {}}
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for key, value in self.labels.iteritems():
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hashed = hashlib.sha256(key).digest().encode('hex')
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bundle["labels"][hashed] = 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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def do_full_pull(self, force = False):
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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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for key in self.addresses:
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target_hashed = hashlib.sha256(key).digest().encode('hex')
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if label["external_id"] == target_hashed:
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if force or not self.labels.get(key):
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self.labels[key] = label["text"]
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for key, value in self.transactions.iteritems():
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target_hashed = hashlib.sha256(key).digest().encode('hex')
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if label["external_id"] == target_hashed:
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if force or not self.labels.get(key):
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self.labels[key] = label["text"]
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return True
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