90 lines
3.4 KiB
Python
90 lines
3.4 KiB
Python
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#!/usr/bin/env python
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#
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# Helper tool to enable/disable OS X proxy and wrap mitmproxy
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#
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# Get usage information with:
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#
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# mitmproxywrapper.py -h
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#
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import subprocess
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import re
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import argparse
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class Wrapper(object):
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def __init__(self, port):
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self.port = port
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self.primary_service_name = self.find_primary_service_name()
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def run_networksetup_command(self, *arguments):
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return subprocess.check_output(['sudo', 'networksetup'] + list(arguments))
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def proxy_state_for_service(self, service):
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state = self.run_networksetup_command('-getwebproxy', service).splitlines()
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return dict([re.findall(r'([^:]+): (.*)', line)[0] for line in state])
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def enable_proxy_for_service(self, service):
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print 'Enabling proxy on {}...'.format(service)
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for subcommand in ['-setwebproxy', '-setsecurewebproxy']:
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self.run_networksetup_command(subcommand, service, '127.0.0.1', str(self.port))
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def disable_proxy_for_service(self, service):
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print 'Disabling proxy on {}...'.format(service)
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for subcommand in ['-setwebproxystate', '-setsecurewebproxystate']:
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self.run_networksetup_command(subcommand, service, 'Off')
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def interface_name_to_service_name_map(self):
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order = self.run_networksetup_command('-listnetworkserviceorder')
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mapping = re.findall(r'\(\d+\)\s(.*)$\n\(.*Device: (.+)\)$', order, re.MULTILINE)
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return dict([(b, a) for (a, b) in mapping])
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def run_command_with_input(self, command, input):
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popen = subprocess.Popen(command, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
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(stdout, stderr) = popen.communicate(input)
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return stdout
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def primary_interace_name(self):
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scutil_script = 'get State:/Network/Global/IPv4\nd.show\n'
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stdout = self.run_command_with_input('/usr/sbin/scutil', scutil_script)
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interface, = re.findall(r'PrimaryInterface\s*:\s*(.+)', stdout)
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return interface
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def find_primary_service_name(self):
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return self.interface_name_to_service_name_map()[self.primary_interace_name()]
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def proxy_enabled_for_service(self, service):
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return self.proxy_state_for_service(service)['Enabled'] == 'Yes'
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def toggle_proxy(self):
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if self.proxy_enabled_for_service(self.primary_service_name):
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self.disable_proxy_for_service(self.primary_service_name)
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else:
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self.enable_proxy_for_service(self.primary_service_name)
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def wrap_mitmproxy(self):
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if not self.proxy_enabled_for_service(self.primary_service_name):
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self.enable_proxy_for_service(self.primary_service_name)
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subprocess.check_call(['mitmproxy', '-p', str(self.port), '--palette', 'light'])
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if self.proxy_enabled_for_service(self.primary_service_name):
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self.disable_proxy_for_service(self.primary_service_name)
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@classmethod
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def main(cls):
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parser = argparse.ArgumentParser(description='Helper tool for OS X proxy configuration and mitmproxy')
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parser.add_argument('-t', '--toggle', action='store_true', help='just toggle the proxy configuration')
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parser.add_argument('-p', '--port', type=int, help='override the default port of 8080', default=8080)
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args = parser.parse_args()
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wrapper = cls(port=args.port)
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if args.toggle:
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wrapper.toggle_proxy()
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else:
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wrapper.wrap_mitmproxy()
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if __name__ == '__main__':
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Wrapper.main()
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