Extract certtificates and keys from astrill OVPN files. Should work for others

astrill-extractor.py

import os, shutil

from glob import glob

def write_file(data, out_file_name, new_dir):
    with open(os.path.join(new_dir, out_file_name), 'w') as f:
        f.write(''.join(data))

for ovpn_file in  glob('*.ovpn'):
    new_dir = os.path.join(ovpn_file.replace('.ovpn', ''))

    os.makedirs(new_dir, exist_ok=True)
    shutil.copy2(ovpn_file, os.path.join(new_dir, ovpn_file.split('/')[-1]))

    with open(ovpn_file) as f:
        file_data = f.readlines()

    in_block = False
    data = []
    for line in file_data:
        if line.startswith('<') and line.strip().endswith('>'):  # if this is a tag line
            if in_block: # we're in a block, write data
                file_ext = line.strip().replace('</', '').replace('>', '') + ".pem"
                write_file(data, ovpn_file.split('/')[-1] + '-' + file_ext, new_dir)
                data = []
                in_block = False
            else:
                in_block = True
        elif in_block:
            data.append(line)

    os.remove(ovpn_file)
    print("Exported {}".format(ovpn_file.split('/')[-1]))