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80 lines
2.8 KiB
Python
80 lines
2.8 KiB
Python
import os,subprocess,logging,time,re
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import argparse
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from plugins.plugin import Plugin
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from plugins.CacheKill import CacheKill
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class Replace(CacheKill,Plugin):
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name = "Replace"
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optname = "replace"
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implements = ["handleResponse","handleHeader","connectionMade"]
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has_opts = True
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desc = "Replace arbitrary content in HTML content"
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def initialize(self,options):
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self.options = options
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self.search_str = options.search_str
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self.replace_str = options.replace_str
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self.regex_file = options.regex_file
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if (self.search_str==None or self.search_str=="") and self.regex_file is None:
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sys.exit("[*] Please provide a search string or a regex file")
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self.regexes = []
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if self.regex_file is not None:
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print "[*] Loading regexes from file"
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for line in self.regex_file:
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self.regexes.append(line.strip().split("\t"))
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if self.options.keep_cache:
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self.implements.remove("handleHeader")
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self.implements.remove("connectionMade")
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self.ctable = {}
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self.dtable = {}
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self.mime = "text/html"
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print "[*] Replace plugin online"
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def handleResponse(self,request,data):
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ip,hn,mime = self._get_req_info(request)
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if self._should_replace(ip,hn,mime):
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if self.search_str!=None and self.search_str!="":
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data = data.replace(self.search_str, self.replace_str)
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logging.info("%s [%s] Replaced '%s' with '%s'" % (request.client.getClientIP(), request.headers['host'], self.search_str, self.replace_str))
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# Did the user provide us with a regex file?
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for regex in self.regexes:
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try:
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data = re.sub(regex[0], regex[1], data)
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logging.info("%s [%s] Occurances matching '%s' replaced with '%s'" % (request.client.getClientIP(), request.headers['host'], regex[0], regex[1]))
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except Exception, e:
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logging.error("%s [%s] Your provided regex (%s) or replace value (%s) is empty or invalid. Please debug your provided regex(es)" % (request.client.getClientIP(), request.headers['host'], regex[0], regex[1]))
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self.ctable[ip] = time.time()
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self.dtable[ip+hn] = True
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return {'request':request,'data':data}
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return
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def add_options(self,options):
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options.add_argument("--search-str",type=str,default=None,help="String you would like to replace --replace-str with. Default: '' (empty string)")
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options.add_argument("--replace-str",type=str,default="",help="String you would like to replace.")
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options.add_argument("--regex-file",type=file,help="Load file with regexes. File format: <regex1>[tab]<regex2>[new-line]")
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options.add_argument("--keep-cache",action="store_true",help="Don't kill the server/client caching.")
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def _should_replace(self,ip,hn,mime):
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return mime.find(self.mime)!=-1
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def _get_req_info(self,request):
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ip = request.client.getClientIP()
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hn = request.client.getRequestHostname()
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mime = request.client.headers['Content-Type']
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return (ip,hn,mime)
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