No usage documentation, however, posting this for historical purposes:
#ok:www.google.com:false
python3 proxy.py ~/.proxy.txt host:port
export https_proxy='http://127.0.0.1:9090'
import os, sys, re
import select, socket, socketserver
class proxysrv(socketserver.BaseRequestHandler):
def init(self):
self.size = (8 * 1024)
self.file = sys.argv[1]
self.info = sys.argv[2].split(":")
self.host = (self.info[0], int(self.info[1]), True)
self.sock = self.request
def config(self, file):
proxlist = []
try:
fobj = open(file, "r")
for line in fobj.readlines():
line = line.strip().split(":")
stat = False
if ("true" in line[2].lower()):
stat = True
proxlist.append([line[0], line[1], stat])
except:
print("error","config")
return proxlist
def checks(self, conf, data):
try:
proxyreq = data.decode().split("\n")
hostreqs = proxyreq[0].strip().split(" ")
hostinfo = hostreqs[1].split(":")
hostname = hostinfo[0]
hostport = int(hostinfo[1])
lasthost = ()
for item in conf:
regx = re.match("^.*%s$" % (item[1]), hostname)
if ((item[0] == "no") and (not regx)):
lasthost = (hostname, hostport, item[2])
if ((item[0] == "ok") and regx):
lasthost = (hostname, hostport, item[2])
if (lasthost and (not lasthost[2])):
return lasthost
except:
print("error","checks")
return self.host
def newcon(self, srcs, data, host):
try:
senddata = "HTTP/1.1 200 Connection established\r\nProxy-Connection: Keep-Alive\r\n\r\n".encode()
sockobjc = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sockobjc.connect((host[0], host[1]))
if (host[2]):
sockobjc.sendall(data)
else:
srcs.sendall(senddata)
return sockobjc
except:
print("error","newcon")
return None
def relays(self, srcs, dsts):
try:
while True:
(readlist, _, _) = select.select([srcs, dsts], [], [])
for sockitem in readlist:
if (sockitem == dsts):
data = dsts.recv(self.size)
print("dsts",len(data))
if (not data):
raise
srcs.sendall(data)
if (sockitem == srcs):
data = srcs.recv(self.size)
print("srcs",len(data))
if (not data):
raise
dsts.sendall(data)
except:
pass
def handle(self):
self.init()
proxlist = self.config(self.file)
recvdata = self.sock.recv(self.size)
desthost = self.checks(proxlist, recvdata)
sockobjc = self.newcon(self.sock, recvdata, desthost)
print("addr",self.client_address)
print("data",recvdata)
print("host",desthost)
if (sockobjc):
self.relays(self.sock, sockobjc)
if (__name__ == "__main__"):
for e in ["http_proxy", "https_proxy", "no_proxy"]:
for v in [e.upper(), e.lower()]:
print("envr",v)
os.environ[v] = ""
sockobjc = socketserver.TCPServer(("127.0.0.1", 9090), proxysrv)
sockobjc.serve_forever()
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