mirror of
https://github.com/onionshare/onionshare.git
synced 2024-10-01 01:35:40 -04:00
519 lines
17 KiB
Python
519 lines
17 KiB
Python
# -*- coding: utf-8 -*-
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"""
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OnionShare | https://onionshare.org/
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Copyright (C) 2014-2018 Micah Lee <micah@micahflee.com>
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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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(at your option) any later version.
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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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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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"""
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import base64
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import hashlib
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import inspect
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import os
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import platform
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import random
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import socket
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import sys
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import tempfile
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import threading
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import time
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from .settings import Settings
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class Common(object):
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"""
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The Common object is shared amongst all parts of OnionShare.
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"""
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def __init__(self, verbose=False):
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self.verbose = verbose
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# The platform OnionShare is running on
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self.platform = platform.system()
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if self.platform.endswith('BSD') or self.platform == 'DragonFly':
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self.platform = 'BSD'
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# The current version of OnionShare
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with open(self.get_resource_path('version.txt')) as f:
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self.version = f.read().strip()
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def load_settings(self, config=None):
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"""
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Loading settings, optionally from a custom config json file.
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"""
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self.settings = Settings(self, config)
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self.settings.load()
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def log(self, module, func, msg=None):
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"""
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If verbose mode is on, log error messages to stdout
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"""
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if self.verbose:
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timestamp = time.strftime("%b %d %Y %X")
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final_msg = "[{}] {}.{}".format(timestamp, module, func)
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if msg:
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final_msg = '{}: {}'.format(final_msg, msg)
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print(final_msg)
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def get_resource_path(self, filename):
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"""
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Returns the absolute path of a resource, regardless of whether OnionShare is installed
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systemwide, and whether regardless of platform
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"""
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# On Windows, and in Windows dev mode, switch slashes in incoming filename to backslackes
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if self.platform == 'Windows':
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filename = filename.replace('/', '\\')
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if getattr(sys, 'onionshare_dev_mode', False):
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# Look for resources directory relative to python file
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prefix = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe())))), 'share')
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if not os.path.exists(prefix):
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# While running tests during stdeb bdist_deb, look 3 directories up for the share folder
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prefix = os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(prefix)))), 'share')
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elif self.platform == 'BSD' or self.platform == 'Linux':
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# Assume OnionShare is installed systemwide in Linux, since we're not running in dev mode
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prefix = os.path.join(sys.prefix, 'share/onionshare')
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elif getattr(sys, 'frozen', False):
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# Check if app is "frozen"
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# https://pythonhosted.org/PyInstaller/#run-time-information
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if self.platform == 'Darwin':
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prefix = os.path.join(sys._MEIPASS, 'share')
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elif self.platform == 'Windows':
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prefix = os.path.join(os.path.dirname(sys.executable), 'share')
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return os.path.join(prefix, filename)
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def get_tor_paths(self):
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if self.platform == 'Linux':
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tor_path = '/usr/bin/tor'
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tor_geo_ip_file_path = '/usr/share/tor/geoip'
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tor_geo_ipv6_file_path = '/usr/share/tor/geoip6'
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obfs4proxy_file_path = '/usr/bin/obfs4proxy'
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elif self.platform == 'Windows':
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base_path = os.path.join(os.path.dirname(os.path.dirname(self.get_resource_path(''))), 'tor')
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tor_path = os.path.join(os.path.join(base_path, 'Tor'), 'tor.exe')
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obfs4proxy_file_path = os.path.join(os.path.join(base_path, 'Tor'), 'obfs4proxy.exe')
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tor_geo_ip_file_path = os.path.join(os.path.join(os.path.join(base_path, 'Data'), 'Tor'), 'geoip')
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tor_geo_ipv6_file_path = os.path.join(os.path.join(os.path.join(base_path, 'Data'), 'Tor'), 'geoip6')
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elif self.platform == 'Darwin':
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base_path = os.path.dirname(os.path.dirname(os.path.dirname(self.get_resource_path(''))))
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tor_path = os.path.join(base_path, 'Resources', 'Tor', 'tor')
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tor_geo_ip_file_path = os.path.join(base_path, 'Resources', 'Tor', 'geoip')
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tor_geo_ipv6_file_path = os.path.join(base_path, 'Resources', 'Tor', 'geoip6')
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obfs4proxy_file_path = os.path.join(base_path, 'Resources', 'Tor', 'obfs4proxy')
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elif self.platform == 'BSD':
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tor_path = '/usr/local/bin/tor'
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tor_geo_ip_file_path = '/usr/local/share/tor/geoip'
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tor_geo_ipv6_file_path = '/usr/local/share/tor/geoip6'
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obfs4proxy_file_path = '/usr/local/bin/obfs4proxy'
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return (tor_path, tor_geo_ip_file_path, tor_geo_ipv6_file_path, obfs4proxy_file_path)
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def build_data_dir(self):
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"""
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Returns the path of the OnionShare data directory.
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"""
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if self.platform == 'Windows':
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try:
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appdata = os.environ['APPDATA']
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onionshare_data_dir = '{}\\OnionShare'.format(appdata)
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except:
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# If for some reason we don't have the 'APPDATA' environment variable
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# (like running tests in Linux while pretending to be in Windows)
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onionshare_data_dir = os.path.expanduser('~/.config/onionshare')
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elif self.platform == 'Darwin':
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onionshare_data_dir = os.path.expanduser('~/Library/Application Support/OnionShare')
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else:
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onionshare_data_dir = os.path.expanduser('~/.config/onionshare')
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os.makedirs(onionshare_data_dir, 0o700, True)
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return onionshare_data_dir
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def build_password(self):
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"""
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Returns a random string made from two words from the wordlist, such as "deter-trig".
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"""
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with open(self.get_resource_path('wordlist.txt')) as f:
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wordlist = f.read().split()
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r = random.SystemRandom()
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return '-'.join(r.choice(wordlist) for _ in range(2))
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def define_css(self):
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"""
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This defines all of the stylesheets used in GUI mode, to avoid repeating code.
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This method is only called in GUI mode.
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"""
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self.css = {
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# OnionShareGui styles
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'mode_switcher_selected_style': """
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QPushButton {
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color: #ffffff;
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background-color: #4e064f;
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border: 0;
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border-right: 1px solid #69266b;
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font-weight: bold;
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border-radius: 0;
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}""",
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'mode_switcher_unselected_style': """
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QPushButton {
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color: #ffffff;
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background-color: #601f61;
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border: 0;
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font-weight: normal;
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border-radius: 0;
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}""",
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'settings_button': """
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QPushButton {
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background-color: #601f61;
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border: 0;
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border-left: 1px solid #69266b;
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border-radius: 0;
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}""",
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'server_status_indicator_label': """
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QLabel {
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font-style: italic;
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color: #666666;
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padding: 2px;
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}""",
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'status_bar': """
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QStatusBar {
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font-style: italic;
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color: #666666;
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}
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QStatusBar::item {
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border: 0px;
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}""",
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# Common styles between modes and their child widgets
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'mode_info_label': """
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QLabel {
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font-size: 12px;
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color: #666666;
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}
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""",
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'server_status_url': """
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QLabel {
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background-color: #ffffff;
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color: #000000;
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padding: 10px;
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border: 1px solid #666666;
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font-size: 12px;
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}
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""",
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'server_status_url_buttons': """
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QPushButton {
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color: #3f7fcf;
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}
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""",
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'server_status_button_stopped': """
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QPushButton {
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background-color: #5fa416;
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color: #ffffff;
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padding: 10px;
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border: 0;
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border-radius: 5px;
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}""",
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'server_status_button_working': """
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QPushButton {
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background-color: #4c8211;
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color: #ffffff;
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padding: 10px;
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border: 0;
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border-radius: 5px;
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font-style: italic;
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}""",
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'server_status_button_started': """
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QPushButton {
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background-color: #d0011b;
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color: #ffffff;
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padding: 10px;
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border: 0;
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border-radius: 5px;
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}""",
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'downloads_uploads_empty': """
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QWidget {
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background-color: #ffffff;
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border: 1px solid #999999;
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}
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QWidget QLabel {
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background-color: none;
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border: 0px;
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}
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""",
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'downloads_uploads_empty_text': """
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QLabel {
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color: #999999;
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}""",
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'downloads_uploads_label': """
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QLabel {
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font-weight: bold;
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font-size 14px;
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text-align: center;
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background-color: none;
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border: none;
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}""",
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'downloads_uploads_clear': """
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QPushButton {
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color: #3f7fcf;
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}
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""",
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'download_uploads_indicator': """
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QLabel {
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color: #ffffff;
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background-color: #f44449;
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font-weight: bold;
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font-size: 10px;
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padding: 2px;
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border-radius: 7px;
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text-align: center;
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}""",
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'downloads_uploads_progress_bar': """
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QProgressBar {
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border: 1px solid #4e064f;
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background-color: #ffffff !important;
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text-align: center;
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color: #9b9b9b;
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font-size: 14px;
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}
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QProgressBar::chunk {
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background-color: #4e064f;
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width: 10px;
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}""",
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'history_individual_file_timestamp_label': """
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QLabel {
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color: #666666;
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}""",
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'history_individual_file_status_code_label_2xx': """
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QLabel {
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color: #008800;
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}""",
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'history_individual_file_status_code_label_4xx': """
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QLabel {
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color: #cc0000;
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}""",
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# Share mode and child widget styles
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'share_zip_progess_bar': """
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QProgressBar {
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border: 1px solid #4e064f;
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background-color: #ffffff !important;
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text-align: center;
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color: #9b9b9b;
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}
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QProgressBar::chunk {
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border: 0px;
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background-color: #4e064f;
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width: 10px;
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}""",
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'share_filesize_warning': """
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QLabel {
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padding: 10px 0;
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font-weight: bold;
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color: #333333;
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}
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""",
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'share_file_selection_drop_here_label': """
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QLabel {
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color: #999999;
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}""",
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'share_file_selection_drop_count_label': """
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QLabel {
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color: #ffffff;
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background-color: #f44449;
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font-weight: bold;
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padding: 5px 10px;
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border-radius: 10px;
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}""",
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'share_file_list_drag_enter': """
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FileList {
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border: 3px solid #538ad0;
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}
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""",
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'share_file_list_drag_leave': """
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FileList {
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border: none;
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}
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""",
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'share_file_list_item_size': """
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QLabel {
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color: #666666;
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font-size: 11px;
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}""",
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# Receive mode and child widget styles
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'receive_file': """
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QWidget {
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background-color: #ffffff;
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}
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""",
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'receive_file_size': """
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QLabel {
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color: #666666;
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font-size: 11px;
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}""",
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# Settings dialog
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'settings_version': """
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QLabel {
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color: #666666;
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}""",
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'settings_tor_status': """
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QLabel {
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background-color: #ffffff;
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color: #000000;
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padding: 10px;
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}""",
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'settings_whats_this': """
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QLabel {
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font-size: 12px;
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}""",
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'settings_connect_to_tor': """
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QLabel {
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font-style: italic;
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}"""
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}
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@staticmethod
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def random_string(num_bytes, output_len=None):
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"""
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Returns a random string with a specified number of bytes.
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"""
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b = os.urandom(num_bytes)
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h = hashlib.sha256(b).digest()[:16]
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s = base64.b32encode(h).lower().replace(b'=', b'').decode('utf-8')
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if not output_len:
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return s
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return s[:output_len]
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@staticmethod
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def human_readable_filesize(b):
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"""
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Returns filesize in a human readable format.
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"""
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thresh = 1024.0
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if b < thresh:
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return '{:.1f} B'.format(b)
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units = ('KiB', 'MiB', 'GiB', 'TiB', 'PiB', 'EiB', 'ZiB', 'YiB')
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u = 0
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b /= thresh
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while b >= thresh:
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b /= thresh
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u += 1
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return '{:.1f} {}'.format(b, units[u])
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@staticmethod
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def format_seconds(seconds):
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"""Return a human-readable string of the format 1d2h3m4s"""
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days, seconds = divmod(seconds, 86400)
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hours, seconds = divmod(seconds, 3600)
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minutes, seconds = divmod(seconds, 60)
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human_readable = []
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if days:
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human_readable.append("{:.0f}d".format(days))
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if hours:
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human_readable.append("{:.0f}h".format(hours))
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if minutes:
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human_readable.append("{:.0f}m".format(minutes))
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if seconds or not human_readable:
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human_readable.append("{:.0f}s".format(seconds))
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return ''.join(human_readable)
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@staticmethod
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def estimated_time_remaining(bytes_downloaded, total_bytes, started):
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now = time.time()
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time_elapsed = now - started # in seconds
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download_rate = bytes_downloaded / time_elapsed
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remaining_bytes = total_bytes - bytes_downloaded
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eta = remaining_bytes / download_rate
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return Common.format_seconds(eta)
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@staticmethod
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def get_available_port(min_port, max_port):
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"""
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Find a random available port within the given range.
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"""
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with socket.socket() as tmpsock:
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while True:
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try:
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tmpsock.bind(("127.0.0.1", random.randint(min_port, max_port)))
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break
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except OSError as e:
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pass
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_, port = tmpsock.getsockname()
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return port
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@staticmethod
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def dir_size(start_path):
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"""
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Calculates the total size, in bytes, of all of the files in a directory.
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"""
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total_size = 0
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for dirpath, dirnames, filenames in os.walk(start_path):
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for f in filenames:
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fp = os.path.join(dirpath, f)
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if not os.path.islink(fp):
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total_size += os.path.getsize(fp)
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return total_size
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class AutoStopTimer(threading.Thread):
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"""
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Background thread sleeps t hours and returns.
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"""
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def __init__(self, common, time):
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threading.Thread.__init__(self)
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self.common = common
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self.setDaemon(True)
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self.time = time
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def run(self):
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self.common.log('AutoStopTimer', 'Server will shut down after {} seconds'.format(self.time))
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time.sleep(self.time)
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return 1
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