b2p-qr.py

import shutil
import requests as r
from base64 import *
from qrtools import QR
from PIL import Image, ImageOps
from bs4 import BeautifulSoup as bs

morseAlphabet = {
    "A": ".-",
    "B": "-...",
    "C": "-.-.",
    "D": "-..",
    "E": ".",
    "F": "..-.",
    "G": "--.",
    "H": "....",
    "I": "..",
    "J": ".---",
    "K": "-.-",
    "L": ".-..",
    "M": "--",
    "N": "-.",
    "O": "---",
    "P": ".--.",
    "Q": "--.-",
    "R": ".-.",
    "S": "...",
    "T": "-",
    "U": "..-",
    "V": "...-",
    "W": ".--",
    "X": "-..-",
    "Y": "-.--",
    "Z": "--..",
    "1" : ".----",
    "2" : "..---",
    "3" : "...--",
    "4" : "....-",
    "5" : ".....",
    "6" : "-....",
    "7" : "--...",
    "8" : "---..",
    "9" : "----.",
    "0" : "-----"
}
inverseMorseAlphabet = dict((v, k) for (k, v) in morseAlphabet.items()) #mbalik key sama value di dictionary morseAlphabet

s = r.Session()
url = "http://35.197.134.203:8021/index.php"

image = bs(s.get('http://35.197.134.203:8021/index.php').text, 'html.parser').find('img')['src'].split(',')[1] #cari base64 dari gambar
with open('qrdata.png','wb') as f:
	f.write(b64decode(image)) #simpen gambar ke file

anu = Image.open('qrdata.png') #mbukak gambar yang udah disave
heem = ImageOps.invert(anu) #invert gambar
heem.save('jadian.png') #save gambar

qr = QR()
qr.decode("D:\ctf\B2P\qr\jadian.png") #decode qr
data = qr.data

result = ''.join(inverseMorseAlphabet[x] for x in data.split(' ')) #translate morse ke huruf

#submit jawaban
print s.post(url, data={'solution':result}, headers={'User-Agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:59.0) Gecko/20100101 Firefox/59.0', 'Referer':'http://35.197.134.203:8021/index.php'}).text