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# -*- coding: utf-8 -*-
"""
OnionShare | https://onionshare.org/
Copyright (C) 2014-2018 Micah Lee <micah@micahflee.com>
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 <http://www.gnu.org/licenses/>.
"""
import os, sys, time, argparse, threading
from . import strings
from .common import Common
from .web import Web
from .onion import *
from .onionshare import OnionShare
def main(cwd=None):
"""
The main() function implements all of the logic that the command-line version of
onionshare uses.
"""
common = Common()
# Load the default settings and strings early, for the sake of being able to parse options.
# These won't be in the user's chosen locale necessarily, but we need to parse them
# early in order to even display the option to pass alternate settings (which might
# contain a preferred locale).
# If an alternate --config is passed, we'll reload strings later.
common.load_settings()
strings.load_strings(common)
# Display OnionShare banner
print(strings._('version_string').format(common.version))
# OnionShare CLI in OSX needs to change current working directory (#132)
if common.platform == 'Darwin':
if cwd:
os.chdir(cwd)
# Parse arguments
parser = argparse.ArgumentParser(formatter_class=lambda prog: argparse.HelpFormatter(prog,max_help_position=28))
parser.add_argument('--local-only', action='store_true', dest='local_only', help=strings._("help_local_only"))
parser.add_argument('--stay-open', action='store_true', dest='stay_open', help=strings._("help_stay_open"))
parser.add_argument('--shutdown-timeout', metavar='<int>', dest='shutdown_timeout', default=0, help=strings._("help_shutdown_timeout"))
parser.add_argument('--stealth', action='store_true', dest='stealth', help=strings._("help_stealth"))
parser.add_argument('--receive', action='store_true', dest='receive', help=strings._("help_receive"))
parser.add_argument('--config', metavar='config', default=False, help=strings._('help_config'))
parser.add_argument('--debug', action='store_true', dest='debug', help=strings._("help_debug"))
parser.add_argument('filename', metavar='filename', nargs='*', help=strings._('help_filename'))
args = parser.parse_args()
filenames = args.filename
for i in range(len(filenames)):
filenames[i] = os.path.abspath(filenames[i])
local_only = bool(args.local_only)
debug = bool(args.debug)
stay_open = bool(args.stay_open)
shutdown_timeout = int(args.shutdown_timeout)
stealth = bool(args.stealth)
receive = bool(args.receive)
config = args.config
if receive:
mode = 'receive'
else:
mode = 'share'
# Make sure filenames given if not using receiver mode
if mode == 'share' and len(filenames) == 0:
parser.print_help()
sys.exit()
# Validate filenames
if mode == 'share':
valid = True
for filename in filenames:
if not os.path.isfile(filename) and not os.path.isdir(filename):
print(strings._("not_a_file").format(filename))
valid = False
if not os.access(filename, os.R_OK):
print(strings._("not_a_readable_file").format(filename))
valid = False
if not valid:
sys.exit()
# Re-load settings, if a custom config was passed in
if config:
common.load_settings(config)
# Re-load the strings, in case the provided config has changed locale
strings.load_strings(common)
# Debug mode?
common.debug = debug
# Create the Web object
web = Web(common, False, mode)
# Start the Onion object
onion = Onion(common)
try:
onion.connect(custom_settings=False, config=config)
except KeyboardInterrupt:
print("")
sys.exit()
except Exception as e:
sys.exit(e.args[0])
# Start the onionshare app
try:
app = OnionShare(common, onion, local_only, shutdown_timeout)
app.set_stealth(stealth)
app.choose_port()
app.start_onion_service()
except KeyboardInterrupt:
print("")
sys.exit()
except (TorTooOld, TorErrorProtocolError) as e:
print("")
print(e.args[0])
sys.exit()
if mode == 'share':
# Prepare files to share
print(strings._("preparing_files"))
try:
web.share_mode.set_file_info(filenames)
app.cleanup_filenames += web.share_mode.cleanup_filenames
except OSError as e:
print(e.strerror)
sys.exit(1)
# Warn about sending large files over Tor
if web.share_mode.download_filesize >= 157286400: # 150mb
print('')
print(strings._("large_filesize"))
print('')
# Start OnionShare http service in new thread
t = threading.Thread(target=web.start, args=(app.port, stay_open, common.settings.get('public_mode'), common.settings.get('slug')))
t.daemon = True
t.start()
try: # Trap Ctrl-C
# Wait for web.generate_slug() to finish running
time.sleep(0.2)
# start shutdown timer thread
if app.shutdown_timeout > 0:
app.shutdown_timer.start()
# Save the web slug if we are using a persistent private key
if common.settings.get('save_private_key'):
if not common.settings.get('slug'):
common.settings.set('slug', web.slug)
common.settings.save()
# Build the URL
if common.settings.get('public_mode'):
url = 'http://{0:s}'.format(app.onion_host)
else:
url = 'http://{0:s}/{1:s}'.format(app.onion_host, web.slug)
print('')
if mode == 'receive':
print(strings._('receive_mode_data_dir').format(common.settings.get('data_dir')))
print('')
print(strings._('receive_mode_warning'))
print('')
if stealth:
print(strings._("give_this_url_receive_stealth"))
print(url)
print(app.auth_string)
else:
print(strings._("give_this_url_receive"))
print(url)
else:
if stealth:
print(strings._("give_this_url_stealth"))
print(url)
print(app.auth_string)
else:
print(strings._("give_this_url"))
print(url)
print('')
print(strings._("ctrlc_to_stop"))
# Wait for app to close
while t.is_alive():
if app.shutdown_timeout > 0:
# if the shutdown timer was set and has run out, stop the server
if not app.shutdown_timer.is_alive():
if mode == 'share':
# If there were no attempts to download the share, or all downloads are done, we can stop
if web.share_mode.download_count == 0 or web.done:
print(strings._("close_on_timeout"))
web.stop(app.port)
break
if mode == 'receive':
if web.receive_mode.upload_count == 0 or not web.receive_mode.uploads_in_progress:
print(strings._("close_on_timeout"))
web.stop(app.port)
break
else:
web.receive_mode.can_upload = False
# Allow KeyboardInterrupt exception to be handled with threads
# https://stackoverflow.com/questions/3788208/python-threading-ignores-keyboardinterrupt-exception
time.sleep(0.2)
except KeyboardInterrupt:
web.stop(app.port)
finally:
# Shutdown
app.cleanup()
onion.cleanup()
if __name__ == '__main__':
main()
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