Python HTTP proxy code

googlecode:https://code.google.com/archive/p/python-proxy/source/default/Source#-*-coding:cp1252-*-#<PythonProxy.py>##Copyright (c) <2009> <f 醔 io domingues-fnds3000 in gmail.com>##Permission is hereby granted, free of charge#obtaining a copy of this software and associated documentation#files (the "software"), to deal in the software without#restriction, including without limitation the rights to use,#copy, modify, merge, publish, distribute, sublicense, and/or sell#copies of the software, and to permit persons to whom the#software is furnished to doing so, subject to the following#conditions:##the above copyright notice and this permission notice shall be#included in all copies or substantial portions of the Software.##the software is provided ' as is ', without WARRANTY of any KIND,#EXPRESS OR implied, including but not LIMITED to the warranties#of merchantability, FITNESS for A particular PURPOSE and#Noninfringement. In NO EVENT shall the AUTHORS OR COPYRIGHT#holders is liable for any CLAIM, damages OR other liability,#WHETHER in an ACTION of contract, TORT OR OTHERWISE, arising#from , out of or in CONNECTION with the software or the use or#Other dealings in the Software."""Copyright (c) <2009> <f 醔 io domingues-fnds3000 in gmail.com> <mit licence> *********** Python proxy-a Fast HTTP Proxy * * * ******************** Neste momento este proxy? um Elie proxy.suporta os m 閠 Odos HTTP:-OPTIONS; -GET; -HEAD; -POST; -PUT; -DELETE; -TRACE; -conenct. Suporta:-conex fukiensis s dos cliente em IPv4 ou IPv6; -conex fukiensis s ao alvo em IPv4 e IPv6; -conex fukiensis s todo o tipo de transmiss 鉶 de dados TCP (CONNECT tunneling), P.E. liga hun es SSL, como o caso do HTTPS.   A fazer:-verificar se o input vindo do cliente est?correcto; -enviar os devidos HTTP erros se n 鉶, ou simplesmente quebrar a Liga porphyrite o; -criar um gestor de erros; -criar Ficheiro log de erros; -colocar excep hun es nos s behind iOS onde? Previs 韛 el a Ocorr address CIA de erros, p.e.sockets e ficheiros; -rever tudo e melhorar a Estrutura do programar e colocar nomes adequados nas vari 醰 eis e m 閠 odos; -comentar o PRograma decentemente; -Doc strings.funcionalidades Futuras:-adiconar A funcionalidade de proxy an importance hygiene IMO e transparente; -suportar FTP?. (!) Aten porphyrite o o que se segue s?tem efeito em Conex fukiensis s n 鉶 CONNECT, para estas o proxy? sempre elite.qual a diferen 鏰 entre um proxy Elite, an importance hygiene IMO e transparente? -Um Proxy Elite Totalmente an importance hygiene imo, o servidor que o recebe n 鉶 consegue ter conhecimento da exist address CIA do proxy e n 鉶 r Ecebe o endere 鏾 IP do cliente;      -quando? Usado um proxy a importance hygiene imo o servidor sabe que o cliente est?a usar um proxy mas n 鉶 sabe o endere 鏾 IP do cliente; ? enviado o cabe 鏰 lho HTTP "proxy-agent".     -um proxy transparente fornece ao servidor o IP do cliente e um informa porphyrite o que se est?a usar Um proxy. s 鉶 enviados os cabe 鏰 lhos HTTP "proxy-agent" e "http_x_forwarded_for"."""Importsocket, thread, Select__version__='0.1.0 Draft 1'Buflen= 8192VERSION='Python proxy/'+__version__Httpver='http/1.1'classconnectionhandler:def __init__(self, connection, address, timeout): self.client=Connection Self.client_buffer="'Self.timeout=timeout self.method, self.path, self.protocol=Self.get_base_header ()ifself.method=='CONNECT': Self.method_connect ()elifSelf.methodinch('OPTIONS','GET','HEAD','POST','PUT',                             'DELETE','TRACE'): self.method_others () self.client.close () self.target.close ()defGet_base_header (self): while1: Self.client_buffer+=self.client.recv (buflen) End= Self.client_buffer.find ('\ n')            ifEnd!=-1:                 break        Print '%s'%self.client_buffer[:end]#Debugdata = (self.client_buffer[:end+1]). split () self.client_buffer= Self.client_buffer[end+1:]        returnDatadefmethod_connect (self): self._connect_target (self.path) self.client.send (httpver+'Connection established\n'+'proxy-agent:%s\n\n'%VERSION) Self.client_buffer="'Self._read_write ()defmethod_others (self): Self.path= Self.path[7:] i= Self.path.find ('/') Host=self.path[:i] Path=self.path[i:] self._connect_target (host) self.target.send ('%s%s%s\n'% (self.method, path, Self.protocol) +self.client_buffer) Self.client_buffer="'Self._read_write ()def_connect_target (self, host): i= Host.find (':')        ifI!=-1: Port= int (host[i+1:]) Host=host[:i]Else: Port= 80(soc_family, _, _, _, address)=socket.getaddrinfo (host, port) [0] self.target=socket.socket (soc_family) self.target.connect (address)def_read_write (self): Time_out_max= SELF.TIMEOUT/3SoCs=[self.client, self.target] Count=0 while1: Count+ = 1(recv, _, Error)= Select.select (socs, [], socs, 3)            iferror: break            ifRecv: forIn_inchRecv:data=in_.recv (buflen)ifIn_ isSelf.client:out=Self.targetElse: out=self.clientifdata:out.send (data) Count=0ifCount = =time_out_max: breakdefStart_server (host="', port=8080, ipv6=false, timeout=60, Handler=connectionhandler):ifipv6==True:soc_type=Socket.af_inet6Else: Soc_type=Socket.af_inet Soc=socket.socket (soc_type) soc.bind ((host, port))Print "Serving On%s:%d."% (host, port)#DebugSoc.listen (0) while1: Thread.start_new_thread (handler, soc.accept ()+(timeout,))if __name__=='__main__': Start_server ()

Python HTTP proxy code