#!/usr/bin/python3
import sys
import requests
import re
from urllib.parse import urlparse, parse_qs

url = input()

test_no = int(url.split("/")[-1])


if test_no == 1:
    res = requests.get(url)
    assert res.status_code == 401
    assert "X-Hint" in res.headers
    assert re.match(r"^Heslo je [a-zA-Z.]+$", res.headers["X-Hint"])

    password = res.headers["X-Hint"].replace("Heslo je ", "")
    auth = ("some_random_username", password)

    res = requests.get(url, auth=auth)
    assert res.status_code == 403
    assert "Only root can do this." in res.text

    auth = ("root", auth[1])

    res = requests.get(url, auth=auth)
    assert res.status_code == 200
    assert re.match(r"^Klíč je [0-9a-f]{16}\.$", res.text.strip())

    key = res.text.replace("Klíč je ", "").strip()[:-1]
    print(key)

elif test_no == 2:
    res = requests.get(url, allow_redirects=False)
    assert res.status_code == 301
    assert res.headers["Location"] == url + "/"
    url = res.headers["Location"]

    res = requests.get(url, allow_redirects=False)
    assert res.status_code == 307
    assert res.headers["Location"] == url + "form.cgi?task=37-2-4&what=key"
    url = res.headers["Location"]

    res = requests.get(url, allow_redirects=False)
    assert res.status_code == 405
    assert res.headers["Allow"] == "POST"

    res = requests.post(url, allow_redirects=False)
    assert res.status_code == 415
    assert "Forms must be submitted as application/x-www-form-urlencoded" in res.text

    res = requests.post(urlparse(url)._replace(query="").geturl(), allow_redirects=False, data=parse_qs(urlparse(url).query))
    assert res.status_code == 303

    res = requests.get(res.headers["Location"], allow_redirects=False)
    assert res.status_code == 200
    assert re.match(r"^[0-9a-f]{16}$", res.text.strip())
    key = res.text.strip()

    print(key)

elif test_no == 3:
    url = url + "/"
    res = requests.get(url)
    assert res.status_code == 405

    res = requests.put(url)
    assert res.status_code == 415
    assert "You must submit a text file." in res.text

    res = requests.put(url + "", data="Brůžek Batůžek".encode('utf-8'), headers={"Content-Type": "text/plain"})
    assert res.status_code == 200
    assert re.match(r"^Jméno uloženo. Klíč je [0-9a-f]{16}.$", res.text.strip())
    key = res.text.replace("Jméno uloženo. Klíč je ", "").strip()[:-1]

    print(key)

elif test_no == 4:
    url = url + "/"
    res = requests.get(url)
    assert res.status_code == 300
    assert "<li><a href='minotauros.gif'>GIF picture</a>" in res.text
    assert "<li><a href='minotauros.xml'>XML</a>" in res.text
    assert "<li><a href='minotauros.png'>PNG picture</a>" in res.text

    res = requests.get(url + "minotauros.gif")
    assert res.status_code == 451
    assert "$1" in res.text
    assert "X-Coin" in res.headers
    assert res.headers["X-Coin"] == "$1"

    png_url = url + "minotauros.png"
    res = requests.get(png_url, allow_redirects=False)
    assert res.status_code == 307
    assert "The resource has moved. Guess where." in res.text

    png_url = res.headers["Location"]
    res = requests.get(png_url, allow_redirects=False)
    assert res.status_code == 302
    assert "Just moved the image to a new directory, sorry." in res.text

    png_url = res.headers["Location"]
    res = requests.get(png_url, allow_redirects=False)
    assert res.status_code == 302

    res = requests.get(url + "minotauros.xml")
    assert res.status_code == 200
    assert "<?xml version='1.0' encoding='UTF-8'?>" in res.text
    matches = re.search(r"<klic>([0-9a-f]{16})</klic>", res.text)
    assert matches
    key = matches[1]

    print(key)

elif test_no == 5:
    url = url + "/"
    res = requests.get(url)
    assert res.status_code == 200
    assert res.headers["Content-Type"] == "application/x-pigzip"
    assert res.text.strip() == "42"

    res = requests.get(url, headers={"Accept": "*/*;q=1.0, application/x-pigzip;q=0.9"})
    assert res.status_code == 413
    assert "Due to limited dimensions of your space-time continuum, we do not serve infinite files." in res.text

    res = requests.get(url, headers={"Range": "bytes=0-999999", "Accept": "application/x-ksp-key"})
    assert res.status_code == 413
    assert "Due to global crisis, we do not send more than 1KB at a time."

    res = requests.get(url, headers={"Range": "bytes=0-1024", "Accept": "application/x-ksp-key"})
    assert res.status_code == 206
    matches = re.search(r"(?m)^klic=([0-9a-f]{16})$", res.text)
    assert matches
    key = matches[1]

    print(key)

elif test_no == 6:
    url = url + "/"
    res = requests.get(url)
    assert res.status_code == 200
    assert "Pro tuto úlohu nebyl žádný klíč nastaven." in res.text

    res = requests.get(url, headers={"Cache-Control": "no-cache"})
    assert res.status_code == 200
    assert re.match(r"^Klíč je [0-9a-f]{16}.$", res.text.strip())
    key = res.text.replace("Klíč je ", "").strip()[:-1]

    print(key)

elif test_no == 7:
    url = url + "/"
    res = requests.get(url)
    assert res.status_code == 402
    assert "The access to this resource is paid. Please insert coin." in res.text

    res = requests.get(url, headers={"X-Coin": "bagr"})
    assert res.status_code == 402
    assert "This currency is not supported. Please pay in US dollars." in res.text

    res = requests.get(url, headers={"X-Coin": "$1"})
    assert res.status_code == 200
    assert re.match(r"^Klíč je [0-9a-f]{16}.$", res.text.strip())
    key = res.text.replace("Klíč je ", "").strip()[:-1]

    res = requests.get(url, headers={"X-Coin": "$1000"})
    assert res.status_code == 200
    assert "Děkujeme za vaši štědrost" in res.text

    print(key)

else:
    print("Unknown test", file=sys.stderr)
    exit(1)