mirror of
https://github.com/onionshare/onionshare.git
synced 2024-10-01 01:35:40 -04:00
122 lines
3.8 KiB
Python
Executable File
122 lines
3.8 KiB
Python
Executable File
#!/usr/bin/env python
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import os, sys, subprocess, time, hashlib, platform
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from random import randint
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from functools import wraps
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sys.path.append(os.path.dirname(__file__)+'/lib')
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from stem.control import Controller
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from stem import SocketError
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from flask import Flask, Markup, Response, request, make_response, send_from_directory, render_template_string
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app = Flask(__name__)
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# generate an unguessable string
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slug = os.urandom(16).encode('hex')
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# file information
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filename = filehash = filesize = ''
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@app.route("/{0}".format(slug))
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def index():
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global filename, filesize, filehash, slug
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return render_template_string(open('{0}/index.html'.format(os.path.dirname(__file__))).read(),
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slug=slug, filename=os.path.basename(filename), filehash=filehash, filesize=filesize)
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@app.route("/{0}/download".format(slug))
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def download():
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global filename
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dirname = os.path.dirname(filename)
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basename = os.path.basename(filename)
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return send_from_directory(dirname, basename, as_attachment=True)
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def get_platform():
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if 'ONIONSHARE_PLATFORM' in os.environ:
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return os.environ['ONIONSHARE_PLATFORM']
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else:
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return platform.system()
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def get_hidden_service_dir(port):
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if get_platform() == "Windows":
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if 'Temp' in os.environ:
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temp = os.environ['Temp'].replace('\\', '/')
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else:
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temp = 'C:/tmp'
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return "{0}/onionshare_hidden_service_{1}".format(temp, port)
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return "/tmp/onionshare_hidden_service_{0}".format(port)
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def get_hidden_service_hostname(port):
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hostname_file = '{0}/hostname'.format(get_hidden_service_dir(port))
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return open(hostname_file, 'r').read().strip()
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def tails_open_port(port):
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if get_platform() == 'Tails':
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print 'Punching a hole in the firewall'
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subprocess.call(['/sbin/iptables', '-I', 'OUTPUT', '-o', 'lo', '-p', 'tcp', '--dport', str(port), '-j', 'ACCEPT'])
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def tails_close_port(port):
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if get_platform() == 'Tails':
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print 'Closing hole in firewall'
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subprocess.call(['/sbin/iptables', '-I', 'OUTPUT', '-o', 'lo', '-p', 'tcp', '--dport', str(port), '-j', 'REJECT'])
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if __name__ == '__main__':
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# validate filename
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if len(sys.argv) != 2:
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sys.exit('Usage: {0} [filename]'.format(sys.argv[0]));
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filename = sys.argv[1]
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if not os.path.isfile(filename):
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sys.exit('{0} is not a file'.format(filename))
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# calculate filehash, file size
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print 'Calculate sha1 checksum'
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BLOCKSIZE = 65536
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hasher = hashlib.sha1()
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with open(filename, 'rb') as f:
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buf = f.read(BLOCKSIZE)
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while len(buf) > 0:
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hasher.update(buf)
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buf = f.read(BLOCKSIZE)
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filehash = hasher.hexdigest()
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filesize = os.path.getsize(filename)
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# choose a port
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port = randint(1025, 65535)
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# connect to the tor controlport
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print 'Connecting to Tor control port to set up hidden service on port {0}'.format(port)
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controlports = [9051, 9151]
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controller = False
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for controlport in controlports:
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try:
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controller = Controller.from_port(port=controlport)
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except SocketError:
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pass
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if not controller:
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sys.exit('Cannot connect to Tor control port on ports {0}. Is Tor running?'.format(controlports))
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controller.authenticate()
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# set up hidden service
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controller.set_options([
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('HiddenServiceDir', get_hidden_service_dir(port)),
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('HiddenServicePort', '80 127.0.0.1:{0}'.format(port))
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])
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onion_host = get_hidden_service_hostname(port)
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# punch a hole in the firewall
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tails_open_port(port)
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# instructions
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print '\nGive this URL to the person you\'re sending the file to:'
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print 'http://{0}/{1}'.format(onion_host, slug)
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print ''
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print 'Press Ctrl-C to stop server\n'
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# start the web server
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app.run(port=port)
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print '\n'
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# shutdown
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tails_close_port(port)
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