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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""Allows recording of all http traffic in a way that can (hopefully) be replayed later
"""
# Copyright 2002, 2003 St James Software
#
# This file is part of jToolkit.
#
# jToolkit 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 2 of the License, or
# (at your option) any later version.
#
# jToolkit 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 jToolkit; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
from jToolkit import errors
from jToolkit import timecache
import urllib
import random
import os
# the req.parsed_uri from the apache module
URI_SCHEME = 0
URI_HOSTINFO = 1
URI_USER = 2
URI_PASSWORD = 3
URI_HOSTNAME = 4
URI_PORT = 5
URI_PATH = 6
URI_QUERY = 7
URI_FRAGMENT = 8
# TODO: add docs
# TODO: add error message logging
# TODO: add session logging
# TODO: improve argument logging
class HTTPRecorder(errors.ErrorHandler):
def __init__(self, instance):
errors.ErrorHandler.__init__(self, instance)
self.pathcache = {}
self.duppaths = {}
self.reqtimes = {}
self.basedir = instance.logrecord
def getresponsefile(self, pathwords):
return os.path.join(self.basedir, *pathwords)
def getresponseurl(self, pathwords):
pathwords = pathwords[:]
pathwords[-1] = urllib.quote_plus(pathwords[-1])
return "." + '/'.join(pathwords)
def getresponsepath(self, req):
uri = req.parsed_uri
if uri[URI_HOSTNAME]:
pathwords = '/'.join((uri[URI_HOSTNAME], uri[URI_PATH]))
else:
pathwords = uri[URI_PATH]
pathwords = pathwords.split('/')
if pathwords[-1] == '':
pathwords[-1] = 'index.htm'
if uri[URI_QUERY]:
querypart = uri[URI_QUERY]
querypart = urllib.unquote_plus(querypart)
querypart = urllib.quote_plus("?"+querypart)
pathwords[-1] += querypart
return pathwords
def openrequest(self, req):
req.logresponse = self.logresponse
req.allowetag = False
pathwords = self.getresponsepath(req)
pathkey = tuple(pathwords)
if hasattr(req, "record_timestamp"):
self.logrequestmessage("request processed again: %s, %s<br/>\n" % (req.uri, req.record_timestamp))
else:
req.record_timestamp = "%x%04x" % (req.request_time, random.randint(0,65535))
if pathkey in self.pathcache or os.path.isfile(self.getresponsefile(pathwords)):
pathwords[-1] += urllib.quote_plus("&record_time=%s" % (req.record_timestamp))
if pathkey not in self.duppaths:
self.duppaths[pathkey] = {}
if not pathkey in self.pathcache:
self.pathcache[pathkey] = pathwords
if pathkey in self.reqtimes:
self.duppaths[pathkey][self.reqtimes[pathkey]] = self.pathcache[pathkey]
self.duppaths[pathkey][req.record_timestamp] = pathwords
return pathwords
else:
self.pathcache[pathkey] = pathwords
self.reqtimes[pathkey] = req.record_timestamp
return pathwords
def closerequest(self, req):
pathwords = self.getresponsepath(req)
pathkey = tuple(pathwords)
if pathkey not in self.pathcache or not hasattr(req, "record_timestamp"):
pathwords[-1] += urllib.quote_plus("&record_error=notfound")
return pathwords
if pathkey in self.duppaths:
return self.duppaths[pathkey][req.record_timestamp]
else:
return self.pathcache[pathkey]
def logrequest(self, req):
pathwords = self.openrequest(req)
responseurl = self.getresponseurl(pathwords)
self.logrequestmessage("request <a href='%s'>%s</a><br/>\n" % (responseurl, req.the_request))
def logrequestmessage(self, logmessage):
requestslog = os.path.join(self.basedir, "requests.htm")
self.writelog(requestslog, logmessage)
def logresponse(self, req, response):
pathwords = self.closerequest(req)
responseurl = self.getresponseurl(pathwords)
self.logrequestmessage("response <a href='%s'>%s</a><br/>\n" % (responseurl, req.unparsed_uri))
responsefilename = self.getresponsefile(pathwords)
responsedir = os.path.abspath(os.path.dirname(responsefilename))
if not os.path.isdir(responsedir):
baseparts = os.path.abspath(self.basedir).split(os.path.sep)
subparts = responsedir.split(os.path.sep)[len(baseparts):]
currentpath = self.basedir
for part in subparts:
currentpath = os.path.join(currentpath, part)
if not os.path.isdir(currentpath):
os.mkdir(currentpath)
try:
responsefile = open(responsefilename,'w')
except IOError, e:
# TODO: handle filenames that are too long...
self.logrequestmessage("IOError opening response filename %s: %s\n" % (responsefilename, e))
return
if isinstance(response, unicode):
responsefile.write(response.encode('utf8'))
else:
responsefile.write(response)
responsefile.close()
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