标签：replace orm md5 art x64 gen lan blank encoding
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#!/usr/bin/env python3# coding: utf-8import sysimport tracebackimport argparseimport timeimport hashlibimport hmacimport base64import reimport pyDesfrom urllib.parse import urlparse, parse_qsl, urlencode, unquote_plusparser = argparse.ArgumentParser()parser.add_argument("--method", choices = ["md5", "hmac", "3des", "de3des"], default = "md5", help = "Method for UTV")parser.add_argument("--url", required = True, help = "The URL which needs to apply UTV")parser.add_argument("--secret", required = True, help = "The encrypt key for UTV")parser.add_argument("--hex", action = "store_true", default = False, help = "Time in HEX format")parser.add_argument("--expire", metavar = "seconds", type = int, default = 0, help = "Expire seconds add to time allow")parser.add_argument("--basetime", metavar = "UNIX_time_seconds", type = float, default = time.time(), help = "Base time (For development confirm)")parser.add_argument("--miaopai", action = "store_true", default = False, help = "Generate UTV for Miaopai")parser.add_argument("--secret_3des", help = "The encrypt key for 3DES hash")def get_md5_url(base_url, secret, base_time, hex, expire, miaopai = False): url_parts = urlparse(base_url) url_host = url_parts.netloc url_path = url_parts.path url_query = url_parts.query if miaopai: expire = base_time * 1000 + expire * 1000 expire = int(expire) else: expire = base_time + expire expire = int(expire) if hex: expire = str(format(expire, ‘x‘)) else: expire = str(expire) if miaopai: match = re.match(r‘^/stream/(.*)\.(.*)($|\?.*)‘, url_path) if match: url_data = match.group(1) print(url_data) str_byte = (url_data + secret + expire).encode(‘utf-8‘) else: str_byte = (secret + url_path + expire).encode(‘utf-8‘) m = hashlib.md5() m.update(str_byte) hmac = m.hexdigest() url_query_params = parse_qsl(url_query, keep_blank_values = True) if miaopai: url_query_params.append((‘time_stamp‘, expire)) url_query_params.append((‘ssig‘, hmac)) else: url_query_params.append((‘px-time‘, expire)) url_query_params.append((‘px-hash‘, hmac)) url_query_param = urlencode(url_query_params) re_url = url_parts.scheme + "://" + url_host + url_path + "?" + url_query_param re_url = re_url.replace(‘=&‘, ‘&‘) re_url = re.sub(r‘=$‘, ‘‘, re_url) return re_urldef get_hmac_url(base_url, secret, base_time, expire): url_parts = urlparse(base_url) url_host = url_parts.netloc url_path = url_parts.path url_query = url_parts.query expire = base_time + expire str_sign = (‘GET‘ + ‘\n‘ + ‘\n‘ + ‘\n‘ + str(expire) + ‘\n‘ + ‘/‘ + url_host + url_path).encode(‘utf-8‘) str_ssig = base64.b64encode(hmac.new(bytearray(secret, ‘utf-8‘), str_sign, hashlib.sha1).digest())[5:15] url_query_params = parse_qsl(url_query, keep_blank_values = True) url_query_params.append((‘ssig‘, str_ssig)) url_query_params.append((‘Expires‘, expire)) url_query_param = urlencode(url_query_params) return url_parts.scheme + ‘://‘ + url_host + url_path + ‘?‘ + url_query_paramdef get_3des_url(base_url, secret_3des, secret, base_time, hex, expire): url_parts = urlparse(base_url) url_host = url_parts.netloc url_path = url_parts.path url_query = url_parts.query calc_path = url_path[1:] calc_byte = calc_path.encode(‘utf-8‘) secret_byte = bytearray(secret_3des, ‘utf-8‘) secret_byte_24 = bytearray(‘‘, ‘utf-8‘) if len(secret_byte) < 24: for x in range(0, 24 - len(secret_byte)): secret_byte.append(0b0) elif len(secret_byte) > 24: x = 0 while(x < 24): secret_byte_24.append(secret_byte[x]) x += 1 secret_byte = secret_byte_24 k = pyDes.triple_des(secret_byte, pyDes.ECB, b"\0\0\0\0\0\0\0\0", pad = None, padmode = pyDes.PAD_PKCS5) d = k.encrypt(calc_byte) url_query_params = parse_qsl(url_query, keep_blank_values = True) url_query_params.append((‘encrypt‘, str(1))) url_query_param = urlencode(url_query_params) url_path = unquote_plus(str(base64.b64encode(d)), encoding=‘utf-8‘).replace(‘ ‘, ‘-‘)[2:-1] des3_url = url_parts.scheme + ‘://‘ + url_host + ‘/‘ + url_path + ‘?‘ + url_query_param return(get_md5_url(des3_url, secret, base_time, hex, expire))def decode_3des_url(base_url, secret_3des): url_parts = urlparse(base_url) url_host = url_parts.netloc url_path = url_parts.path url_query = url_parts.query de_url_path = url_path.replace(‘-‘, ‘+‘) de_url_path = base64.b64decode(de_url_path[1:].encode(‘utf-8‘)) secret_byte = bytearray(secret_3des, ‘utf-8‘) secret_byte_24 = bytearray(‘‘, ‘utf-8‘) if len(secret_byte) < 24: for x in range(0, 24 - len(secret_byte)): secret_byte.append(0b0) elif len(secret_byte) > 24: x = 0 while(x < 24): secret_byte_24.append(secret_byte[x]) x += 1 secret_byte = secret_byte_24 k = pyDes.triple_des(secret_byte, pyDes.ECB, b"\0\0\0\0\0\0\0\0", pad = None, padmode = pyDes.PAD_PKCS5) d = k.decrypt(de_url_path) url_path = str(d)[2:-1] return url_parts.scheme + ‘://‘ + url_host + ‘/‘ + url_pathdef main(): args = parser.parse_args() utv_method = args.method utv_url = args.url utv_secret = args.secret utv_hex = args.hex utv_expire = args.expire utv_basetime = args.basetime utv_miaopai = args.miaopai utv_secret_3des = args.secret_3des if utv_method == "md5": print(get_md5_url(utv_url, utv_secret, utv_basetime, utv_hex, utv_expire, utv_miaopai)) elif utv_method == "hmac": print(get_hmac_url(utv_url, utv_secret, utv_basetime, utv_expire)) elif utv_method == "3des": print(get_3des_url(utv_url, utv_secret_3des, utv_secret, utv_basetime, utv_hex, utv_expire)) elif utv_method == "de3des": print(decode_3des_url(utv_url, utv_secret)) exit()if __name__ == ‘__main__‘: main() |
标签：replace orm md5 art x64 gen lan blank encoding
原文地址：http://www.cnblogs.com/nopnog/p/6962095.html
