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111 lines
3.6 KiB
111 lines
3.6 KiB
import base64 |
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import json |
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import pappyproxy |
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from twisted.protocols.basic import LineReceiver |
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from twisted.internet import defer |
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from util import PappyException |
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""" |
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comm.py |
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Handles creating a listening server bound to localhost that other processes can |
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use to interact with the proxy. |
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""" |
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comm_port = 0 |
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debug = True |
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def set_comm_port(port): |
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global comm_port |
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comm_port = port |
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class CommServer(LineReceiver): |
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def __init__(self): |
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self.delimiter = '\n' |
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self.action_handlers = { |
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'ping': self.action_ping, |
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'get_request': self.action_get_request, |
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'get_response': self.action_get_response, |
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'submit': self.action_submit_request, |
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} |
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def lineReceived(self, line): |
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if line == '': |
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return |
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try: |
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command_data = json.loads(line) |
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command = command_data['action'] |
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valid = False |
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if command in self.action_handlers: |
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valid = True |
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result = {'success': True} |
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func_defer = self.action_handlers[command](command_data) |
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func_defer.addCallback(self.action_result_handler, result) |
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func_defer.addErrback(self.action_error_handler, result) |
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if not valid: |
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raise PappyException('%s is an invalid command' % command_data['action']) |
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except PappyException as e: |
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return_data = {'success': False, 'message': str(e)} |
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self.sendLine(json.dumps(return_data)) |
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def action_result_handler(self, data, result): |
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result.update(data) |
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self.sendLine(json.dumps(result)) |
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def action_error_handler(self, error, result): |
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if debug: |
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print error.getTraceback() |
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return_data = {'success': False, 'message': 'Debug mode enabled, traceback on main terminal'} |
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else: |
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return_data = {'success': False, 'message': str(error.getErrorMessage())} |
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result.update(result) |
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self.sendLine(json.dumps(return_data)) |
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error.trap(Exception) |
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return True |
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def action_ping(self, data): |
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return defer.succeed({'ping': 'pong'}) |
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@defer.inlineCallbacks |
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def action_get_request(self, data): |
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try: |
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reqid = data['reqid'] |
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req = yield pappyproxy.http.Request.load_request(reqid) |
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except KeyError: |
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raise PappyException("Request with given ID does not exist") |
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dat = json.loads(req.to_json()) |
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defer.returnValue(dat) |
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@defer.inlineCallbacks |
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def action_get_response(self, data): |
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try: |
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reqid = data['reqid'] |
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req = yield pappyproxy.http.Request.load_request(reqid) |
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except KeyError: |
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raise PappyException("Request with given ID does not exist, cannot fetch associated response.") |
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if req.response: |
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rsp = yield pappyproxy.http.Response.load_response(req.response.rspid) |
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dat = json.loads(rsp.to_json()) |
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else: |
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dat = {} |
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defer.returnValue(dat) |
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@defer.inlineCallbacks |
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def action_submit_request(self, data): |
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try: |
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req = pappyproxy.http.Request(base64.b64decode(data['full_request'])) |
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req.port = data['port'] |
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req.is_ssl = data['is_ssl'] |
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except: |
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raise PappyException("Error parsing request") |
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yield req.async_submit() |
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yield req.async_deep_save() |
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retdata = {} |
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retdata['request'] = json.loads(req.to_json()) |
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if req.response: |
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retdata['response'] = json.loads(req.response.to_json()) |
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defer.returnValue(retdata)
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