Redownload content from a given .saz Fiddler dump

saz.py

import zipfile
import re
import urllib.request
from pathlib import Path
from sys import argv

if len(argv) < 3:
  print('usage:') 
  print('python3 sazrip.py < input.saz > < output dir >')
  exit()

saz = zipfile.ZipFile(argv[1])
file_names = saz.namelist()

file_name_pattern = re.compile('^raw/([0-9]+)_c.txt$')
header_pattern = re.compile('^GET\s+(\S+)\s+')

for file_name in file_names:
  file_match = file_name_pattern.match(file_name)
  if file_match:
    i = file_match.group(1)
    print('loading', i)
    with saz.open(file_name) as src:
      data = src.read()
      url_match = header_pattern.match(data.decode())
      if url_match:
        url = url_match.group(1)
        file_path = Path(url + '_' + i)
        file_path_dir = file_path.parent.relative_to(argv[2])
        file_path_dir.mkdir(parents=True, exist_ok=True)
        urllib.request.urlretrieve(url, file_path)