#!/usr/bin/env python # # Electrum - Lightweight Bitcoin Client # Copyright (C) 2015 Thomas Voegtlin # # Permission is hereby granted, free of charge, to any person # obtaining a copy of this software and associated documentation files # (the "Software"), to deal in the Software without restriction, # including without limitation the rights to use, copy, modify, merge, # publish, distribute, sublicense, and/or sell copies of the Software, # and to permit persons to whom the Software is furnished to do so, # subject to the following conditions: # # The above copyright notice and this permission notice shall be # included in all copies or substantial portions of the Software. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND # NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS # BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN # ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN # CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE # SOFTWARE. from __future__ import absolute_import import time import threading import base64 from functools import partial import smtplib import imaplib import email from email.MIMEMultipart import MIMEMultipart from email.MIMEBase import MIMEBase from email import Encoders from PyQt4.QtGui import * from PyQt4.QtCore import * import PyQt4.QtCore as QtCore import PyQt4.QtGui as QtGui from electrum.plugins import BasePlugin, hook from electrum.paymentrequest import PaymentRequest from electrum.i18n import _ from electrum_gui.qt.util import EnterButton, Buttons, CloseButton from electrum_gui.qt.util import OkButton, WindowModalDialog class Processor(threading.Thread): polling_interval = 5*60 def __init__(self, imap_server, username, password, callback): threading.Thread.__init__(self) self.daemon = True self.username = username self.password = password self.imap_server = imap_server self.on_receive = callback def poll(self): try: self.M.select() except: return typ, data = self.M.search(None, 'ALL') for num in data[0].split(): typ, msg_data = self.M.fetch(num, '(RFC822)') msg = email.message_from_string(msg_data[0][1]) p = msg.get_payload() if not msg.is_multipart(): p = [p] continue for item in p: if item.get_content_type() == "application/bitcoin-paymentrequest": pr_str = item.get_payload() pr_str = base64.b64decode(pr_str) self.on_receive(pr_str) def run(self): self.M = imaplib.IMAP4_SSL(self.imap_server) self.M.login(self.username, self.password) while True: self.poll() time.sleep(self.polling_interval) self.M.close() self.M.logout() def send(self, recipient, message, payment_request): msg = MIMEMultipart() msg['Subject'] = message msg['To'] = recipient msg['From'] = self.username part = MIMEBase('application', "bitcoin-paymentrequest") part.set_payload(payment_request) Encoders.encode_base64(part) part.add_header('Content-Disposition', 'attachment; filename="payreq.btc"') msg.attach(part) s = smtplib.SMTP_SSL(self.imap_server, timeout=2) s.login(self.username, self.password) s.sendmail(self.username, [recipient], msg.as_string()) s.quit() class Plugin(BasePlugin): def fullname(self): return 'Email' def description(self): return _("Send and receive payment requests via email") def is_available(self): return True def __init__(self, parent, config, name): BasePlugin.__init__(self, parent, config, name) self.imap_server = self.config.get('email_server', '') self.username = self.config.get('email_username', '') self.password = self.config.get('email_password', '') if self.imap_server and self.username and self.password: self.processor = Processor(self.imap_server, self.username, self.password, self.on_receive) self.processor.start() self.obj = QObject() self.obj.connect(self.obj, SIGNAL('email:new_invoice'), self.new_invoice) def on_receive(self, pr_str): self.print_error('received payment request') self.pr = PaymentRequest(pr_str) self.obj.emit(SIGNAL('email:new_invoice')) def new_invoice(self): self.parent.invoices.add(self.pr) #window.update_invoices_list() @hook def receive_list_menu(self, menu, addr): window = menu.parentWidget() menu.addAction(_("Send via e-mail"), lambda: self.send(window, addr)) def send(self, window, addr): from electrum import paymentrequest r = window.wallet.receive_requests.get(addr) message = r.get('memo', '') if r.get('signature'): pr = paymentrequest.serialize_request(r) else: pr = paymentrequest.make_request(self.config, r) if not pr: return recipient, ok = QtGui.QInputDialog.getText(window, 'Send request', 'Email invoice to:') if not ok: return recipient = str(recipient) payload = pr.SerializeToString() self.print_error('sending mail to', recipient) try: self.processor.send(recipient, message, payload) except BaseException as e: window.show_message(str(e)) return window.show_message(_('Request sent.')) def requires_settings(self): return True def settings_widget(self, window): return EnterButton(_('Settings'), partial(self.settings_dialog, window)) def settings_dialog(self, window): d = WindowModalDialog(window, _("Email settings")) d.setMinimumSize(500, 200) vbox = QVBoxLayout(d) vbox.addWidget(QLabel(_('Server hosting your email acount'))) grid = QGridLayout() vbox.addLayout(grid) grid.addWidget(QLabel('Server (IMAP)'), 0, 0) server_e = QLineEdit() server_e.setText(self.imap_server) grid.addWidget(server_e, 0, 1) grid.addWidget(QLabel('Username'), 1, 0) username_e = QLineEdit() username_e.setText(self.username) grid.addWidget(username_e, 1, 1) grid.addWidget(QLabel('Password'), 2, 0) password_e = QLineEdit() password_e.setText(self.password) grid.addWidget(password_e, 2, 1) vbox.addStretch() vbox.addLayout(Buttons(CloseButton(d), OkButton(d))) if not d.exec_(): return server = str(server_e.text()) self.config.set_key('email_server', server) username = str(username_e.text()) self.config.set_key('email_username', username) password = str(password_e.text()) self.config.set_key('email_password', password)