148 lines
5.3 KiB
Python
148 lines
5.3 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# Copyright (C) 2018 Andy Stewart
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#
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# Author: Andy Stewart <lazycat.manatee@gmail.com>
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# Maintainer: Andy Stewart <lazycat.manatee@gmail.com>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from PyQt5 import QtGui, QtCore
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from PyQt5.QtCore import Qt
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from PyQt5.QtGui import QColor, QFont
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from PyQt5.QtWidgets import QWidget, QLabel, QVBoxLayout
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from core.buffer import Buffer
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from core.utils import get_free_port, get_local_ip, message_to_emacs
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import http.server as BaseHTTPServer
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import os
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import qrcode
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import shutil
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import threading
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import socket
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from urllib.parse import quote
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class AppBuffer(Buffer):
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def __init__(self, buffer_id, url, arguments):
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Buffer.__init__(self, buffer_id, url, arguments, False)
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self.add_widget(FileTransferWidget(url, self.theme_foreground_color))
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class SimpleHTTPRequestHandler(BaseHTTPServer.BaseHTTPRequestHandler):
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def do_GET(self):
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global local_file_path
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try:
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with open(local_file_path, 'rb') as f:
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self.send_response(200)
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self.send_header("Content-Type", 'application/octet-stream')
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self.send_header("Content-Disposition", 'attachment; filename="{}"'.format(quote(os.path.basename(local_file_path))))
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fs = os.fstat(f.fileno())
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self.send_header("Content-Length", str(fs.st_size))
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self.end_headers()
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shutil.copyfileobj(f, self.wfile)
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except socket.error:
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# Don't need handle socket error.
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pass
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class Image(qrcode.image.base.BaseImage):
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def __init__(self, border, width, box_size):
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self.border = border
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self.width = width
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self.box_size = box_size
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size = (width + border * 2) * box_size
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self._image = QtGui.QImage(size, size, QtGui.QImage.Format_RGB16)
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self._image.fill(QtCore.Qt.white)
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def pixmap(self):
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return QtGui.QPixmap.fromImage(self._image)
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def drawrect(self, row, col):
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painter = QtGui.QPainter(self._image)
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painter.fillRect(
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(col + self.border) * self.box_size,
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(row + self.border) * self.box_size,
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self.box_size, self.box_size,
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QtCore.Qt.black)
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def save(self, stream, kind=None):
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pass
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class FileTransferWidget(QWidget):
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def __init__(self, url, foreground_color):
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QWidget.__init__(self)
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self.setStyleSheet("background-color: transparent;")
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file_path = os.path.expanduser(url)
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self.file_name_font = QFont()
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self.file_name_font.setPointSize(24)
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self.file_name_label = QLabel(self)
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self.file_name_label.setText(file_path)
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self.file_name_label.setFont(self.file_name_font)
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self.file_name_label.setAlignment(Qt.AlignCenter)
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self.file_name_label.setStyleSheet("color: {}".format(foreground_color))
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self.qrcode_label = QLabel(self)
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self.notify_font = QFont()
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self.notify_font.setPointSize(12)
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self.notify_label = QLabel(self)
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self.notify_label.setText("Scan QR code above to download this file on your smartphone.\nMake sure the smartphone is connected to the same WiFi network as this computer.")
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self.notify_label.setFont(self.notify_font)
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self.notify_label.setAlignment(Qt.AlignCenter)
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self.notify_label.setStyleSheet("color: {}".format(foreground_color))
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layout = QVBoxLayout(self)
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layout.setContentsMargins(0, 0, 0, 0)
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layout.addStretch()
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layout.addWidget(self.qrcode_label, 0, Qt.AlignCenter)
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layout.addSpacing(20)
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layout.addWidget(self.file_name_label, 0, Qt.AlignCenter)
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layout.addSpacing(40)
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layout.addWidget(self.notify_label, 0, Qt.AlignCenter)
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layout.addStretch()
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self.start_server(file_path)
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def set_address(self, address):
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self.qrcode_label.setPixmap(qrcode.make(address, image_factory=Image).pixmap())
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def start_server(self, filename):
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global local_file_path
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local_file_path = filename
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self.port = get_free_port()
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self.local_ip = get_local_ip()
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self.set_address("http://{0}:{1}/{2}".format(self.local_ip, self.port, filename))
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self.sender_thread = threading.Thread(target=self.run_http_server, name='LoopThread')
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self.sender_thread.start()
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def run_http_server(self):
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httpd = BaseHTTPServer.HTTPServer(('', self.port), SimpleHTTPRequestHandler)
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httpd.serve_forever()
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def destroy_buffer(self):
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global local_file_path
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message_to_emacs("Stop file sender server: http://{0}:{1}/{2}".format(self.local_ip, self.port, local_file_path))
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self.sender_thread.stop()
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super().destroy_buffer()
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