Khipha ama-IP e-proxy namachweba e-hex ku-JSON efakiwe

Dekhoda ama-payload e-JSON aziwayo asuka ezingxenyeni ze-script zohlu lwe-proxy futhi uhumushe ingcwebo ye-hex kuphela lapho ifomethi yomthombo ikusho.

Ithebula le-HTML elingenalutho alisho njalo ukuthi impendulo ayinazo izinto eziqoshiwe ze-proxy. Olunye uhlu lubeka izinto ze-JSON ngaphakathi kwezingcingo ze-JavaScript bese lugcwalisa imigqa kamuva.

Kumthombo oseke watholakala osebenzisa isisongelo esithile gp.insertPrx esilandelwa into ye-JSON:

import ipaddress
import json
import re

decoder = json.JSONDecoder()
endpoints = set()
for marker in re.finditer(r"gp[.]insertPrx\(\s*", html):
    try:
        row, end = decoder.raw_decode(html, marker.end())
        if not isinstance(row, dict):
            continue
        address = ipaddress.ip_address(row["PROXY_IP"])
        port = int(row["PROXY_PORT"], 16)
    except (ValueError, KeyError, TypeError):
        continue
    if 1 <= port <= 65535 and html[end:].lstrip().startswith(");"):
        endpoints.add((str(address), port))

html umbhalo womthombo, hhayi into yesiphequluli. Isisho esivamile sithola isisongelo esaziwayo; i-JSONDecoder inquma ukuthi inani le-JSON liphela kuphi. Lokhu kugwema umzamo wokuhlaziya i-JSON efakwe ngaphakathi ngesisho esivamile kuphela.

Inkambu yengcwebo esibonelweni i-hex ngokucacile: i-C38 isho u-3128 wedesimali. Ungasebenzisi isisekelo 16 enkambwini yedesimali yomunye umhlinzeki ngoba nje zombili zibizwa ngengcwebo.

Lesi isihlaziyi sefomethi eshiwo, hhayi umhumushi we-JavaScript. Ama-literal ezinto anophawu lokucaphuna olulodwa, amanani abaliwe nezinye izisho ze-JavaScript zidinga enye inguxa yedatha ebhaliwe. Ungasebenzisi ikhodi yekhasi engafanele ukuze uthole uhlu lweziphetho.

Qinisekisa isivumelwano somthombo futhi gcina izinkambu zeprotocol zodwa. Uma umthombo unemigqa ye-HTML egcwalisiwe esikhundleni salokho, sebenzisa ukukhipha iziphetho ngomugqa esikhundleni salesi sihlaziyi sesisongelo se-JavaScript. Ukukhipha ikheli nengcwebo akufakazeli ukuthi isiphetho sinikeza umsebenzi we-proxy osebenzisekayo njengamanje.

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