#!/usr/bin/env python # # Electrum - Lightweight Bitcoin Client # Copyright (C) 2015 Thomas Voegtlin # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . from __future__ import absolute_import import socket import time import threading import base64 import re import platform from decimal import Decimal from Queue import Queue 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.paymentrequest import PR_UNPAID, PR_PAID, PR_EXPIRED from electrum.plugins import BasePlugin, hook from electrum import util from electrum.paymentrequest import PaymentRequest from electrum.i18n import _ from electrum_gui.qt.util import text_dialog, EnterButton 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, a, b): BasePlugin.__init__(self, a, b) 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.win = None def on_receive(self, pr_str): self.print_error('received payment request') self.pr = PaymentRequest(pr_str) if self.win: self.win.emit(SIGNAL('email:new_invoice')) def new_invoice(self): self.win.invoices.add(self.pr) self.win.update_invoices_list() @hook def init_qt(self, gui): from electrum_gui.qt.util import ThreadedButton self.win = gui.main_window self.win.connect(self.win, SIGNAL('email:new_invoice'), self.new_invoice) @hook def receive_list_menu(self, menu, addr): menu.addAction(_("Send via e-mail"), lambda: self.send(addr)) def send(self, addr): from electrum import paymentrequest r = self.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(self.win, '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: self.win.show_message(str(e)) return self.win.show_message(_('Request sent.')) def requires_settings(self): return True def settings_widget(self, window): return EnterButton(_('Settings'), self.settings_dialog) def settings_dialog(self, x): from electrum_gui.qt.util import Buttons, CloseButton, OkButton d = QDialog(self.window) d.setWindowTitle("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)