exnome Script Kiddies
Jumlah posting : 157 Join date : 15.05.08 Age : 38 Lokasi : Belakang Proxy
| Subyek: script download metacafe Sun May 18, 2008 11:35 pm | |
| - Code:
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#!/usr/bin/env python # # Copyright (c) 2006-2007 Ricardo Garcia Gonzalez
import httplib import math import optparse import re import socket import sys import time import urllib2
# Global constants const_video_url_re = re.compile(r'(?:http://)?(?:www\.)?metacafe\.com/watch/([^/]+)/([^/]+/)?.*') const_normalized_url_str = 'http://www.metacafe.com/watch/%s/' const_disclaimer_url = 'http://www.metacafe.com/disclaimer' const_age_post_data = r'allowAdultContent=1&submit=Continue+-+I%27m+over+18' const_video_mediaurl_re = re.compile(r'&mediaURL=([^&]+)&', re.M) const_1k = 1024 const_initial_block_size = 10 * const_1k const_epsilon = 0.0001
# Print error message, followed by standard advice information, and then exit def error_advice_exit(error_text): sys.stderr.write('Error: %s.\n' % error_text) sys.stderr.write('Try again several times. It may be a temporary problem.\n') sys.stderr.write('Other typical problems:\n\n') sys.stderr.write('* URL is wrong.\n') sys.stderr.write('* Content is not a flash video.\n') sys.stderr.write('* Video no longer exists.\n') sys.stderr.write('* The connection was cut suddenly for some reason.\n') sys.stderr.write('* metacafe changed their system, and the program no longer works.\n') sys.stderr.write('\nTry to confirm you are able to view the video using a web browser.\n') sys.stderr.write('When using a proxy, make sure http_proxy has http://host:port format.\n') sys.stderr.write('Try again several times and contact me if the problem persists.\n') sys.exit('\n')
# Wrapper to create custom requests with typical headers def request_create(url, data=None): retval = urllib2.Request(url) if data is not None: retval.add_data(data) # Try to mimic Firefox, at least a little bit retval.add_header('User-Agent', 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1) Gecko/20061010 Firefox/2.0') retval.add_header('Accept-Charset', 'ISO-8859-1,utf-8;q=0.7,*;q=0.7') retval.add_header('Accept', 'text/xml,application/xml,application/xhtml+xml,text/html;q=0.9,text/plain;q=0.8,image/png,*/*;q=0.5') retval.add_header('Accept-Language', 'en-us,en;q=0.5') return retval
# Perform a request, process headers and return response def perform_request(url, data=None): request = request_create(url, data) response = urllib2.urlopen(request) return response
# Conditional print def cond_print(str): global cmdl_opts if not (cmdl_opts.quiet or cmdl_opts.get_url): sys.stdout.write(str) sys.stdout.flush()
# Generic download step def download_step(return_data_flag, step_title, step_error, url, post_data=None): try: cond_print('%s... ' % step_title) data = perform_request(url, post_data).read() cond_print('done.\n') if return_data_flag: return data return None
except (urllib2.URLError, ValueError, httplib.HTTPException, TypeError, socket.error): cond_print('failed.\n') error_advice_exit(step_error)
except KeyboardInterrupt: sys.exit('\n')
# Generic extract step def extract_step(step_title, step_error, regexp, data): try: cond_print('%s... ' % step_title) match = regexp.search(data) if match is None: cond_print('failed.\n') error_advice_exit(step_error) extracted_data = match.group(1) cond_print('done.\n') return extracted_data except KeyboardInterrupt: sys.exit('\n')
# Calculate new block size based on previous block size def new_block_size(before, after, bytes): new_min = max(bytes / 2.0, 1.0) new_max = max(bytes * 2.0, 1.0) dif = after - before if dif < const_epsilon: return int(new_max) rate = bytes / dif if rate > new_max: return int(new_max) if rate < new_min: return int(new_min) return int(rate)
# Get optimum 1k exponent to represent a number of bytes def optimum_k_exp(num_bytes): global const_1k if num_bytes == 0: return 0 return long(math.log(num_bytes, const_1k))
# Get optimum representation of number of bytes def format_bytes(num_bytes): global const_1k try: exp = optimum_k_exp(num_bytes) suffix = 'bkMGTPEZY'[exp] if exp == 0: return '%s%s' % (num_bytes, suffix) converted = float(num_bytes) / float(const_1k**exp) return '%.2f%s' % (converted, suffix) except IndexError: sys.exit('Error: internal error formatting number of bytes.')
# Calculate ETA and return it in string format as MM:SS def calc_eta(start, now, total, current): dif = now - start if current == 0 or dif < const_epsilon: return '--:--' rate = float(current) / dif eta = long((total - current) / rate) eta_mins = eta / 60 eta_secs = eta % 60 if eta_mins > 99: return '--:--' return '%02d:%02d' % (eta_mins, eta_secs)
# Calculate speed and return it in string format def calc_speed(start, now, bytes): dif = now - start if bytes == 0 or dif < const_epsilon: return 'N/A b' return format_bytes(float(bytes) / dif)
# Create the command line options parser and parse command line cmdl_usage = 'usage: %prog [options] video_url' cmdl_version = '2007.10.09' cmdl_parser = optparse.OptionParser(usage=cmdl_usage, version=cmdl_version, conflict_handler='resolve') cmdl_parser.add_option('-h', '--help', action='help', help='print this help text and exit') cmdl_parser.add_option('-v', '--version', action='version', help='print program version and exit') cmdl_parser.add_option('-o', '--output', dest='outfile', metavar='FILE', help='output video file name') cmdl_parser.add_option('-q', '--quiet', action='store_true', dest='quiet', help='activates quiet mode') cmdl_parser.add_option('-s', '--simulate', action='store_true', dest='simulate', help='do not download video') cmdl_parser.add_option('-t', '--title', action='store_true', dest='use_title', help='use title in file name') cmdl_parser.add_option('-g', '--get-url', action='store_true', dest='get_url', help='print final video URL only') (cmdl_opts, cmdl_args) = cmdl_parser.parse_args()
# Get video URL if len(cmdl_args) != 1: cmdl_parser.print_help() sys.exit('\n') video_url = cmdl_args[0]
# Verify video URL format and extract URL data to normalize URL video_url_mo = const_video_url_re.match(video_url) if video_url_mo is None: sys.exit('Error: URL does not seem to be a metacafe video URL. If it is, report a bug.') video_url_id = video_url_mo.group(1) video_url_title = (video_url_mo.group(2) is not None) and video_url_mo.group(2)[:-1] or None video_url = const_normalized_url_str % video_url_id
# Check conflicting options if cmdl_opts.outfile is not None and (cmdl_opts.simulate or cmdl_opts.get_url): sys.stderr.write('Warning: video file name given but will not be used.\n')
if cmdl_opts.outfile is not None and cmdl_opts.use_title: sys.exit('Error: using the video title conflicts with using a given file name.')
if cmdl_opts.quiet and cmdl_opts.get_url: sys.exit('Error: cannot be quiet and print final URL at the same time.')
# Get output file name if cmdl_opts.outfile is None: if cmdl_opts.use_title: if video_url_title is None: sys.exit('Error: cannot use video title: not present in URL.') video_filename = '%s-%s.flv' % (video_url_title, video_url_id) else: video_filename = '%s.flv' % video_url_id else: video_filename = cmdl_opts.outfile
# Check name if not video_filename.lower().endswith('.flv'): sys.stderr.write('Warning: video file name does not end in .flv\n')
# Test writable file if not (cmdl_opts.simulate or cmdl_opts.get_url): try: disk_test = open(video_filename, 'wb') disk_test.close()
except (OSError, IOError): sys.exit('Error: unable to open %s for writing.' % video_filename)
# Install cookie and proxy handlers urllib2.install_opener(urllib2.build_opener(urllib2.ProxyHandler())) urllib2.install_opener(urllib2.build_opener(urllib2.HTTPCookieProcessor()))
# Retrieve video webpage download_step(False, 'Retrieving disclaimer', 'unable to retrieve disclaimer', const_disclaimer_url)
# Retrieve video webpage video_webpage = download_step(True, 'Retrieving video webpage', 'unable to retrieve video webpage', video_url, const_age_post_data)
# Retrieve real video URL video_url_real = extract_step('Extracting real video URL', 'unable to extract real video URL', const_video_mediaurl_re, video_webpage)
# Retrieve video data try: cond_print('Requesting video file... ') video_data = perform_request(video_url_real) cond_print('done\n') cond_print('Video data found at %s\n' % video_data.geturl())
if cmdl_opts.get_url: print video_data.geturl()
if cmdl_opts.simulate or cmdl_opts.get_url: sys.exit()
video_file = open(video_filename, 'wb') try: video_len = long(video_data.info()['Content-length']) video_len_str = format_bytes(video_len) except KeyError: video_len = None video_len_str = 'N/A'
byte_counter = 0 block_size = const_initial_block_size start_time = time.time() while True: if video_len is not None: percent = float(byte_counter) / float(video_len) * 100.0 percent_str = '%.1f' % percent eta_str = calc_eta(start_time, time.time(), video_len, byte_counter) else: percent_str = '---.-' eta_str = '--:--' counter = format_bytes(byte_counter) speed_str = calc_speed(start_time, time.time(), byte_counter) cond_print('\rRetrieving video data: %5s%% (%8s of %s) at %8s/s ETA %s ' % (percent_str, counter, video_len_str, speed_str, eta_str))
before = time.time() video_block = video_data.read(block_size) after = time.time() dl_bytes = len(video_block) if dl_bytes == 0: break byte_counter += dl_bytes video_file.write(video_block) block_size = new_block_size(before, after, dl_bytes)
if video_len is not None and byte_counter != video_len: error_advice_exit('server did not send the expected ammount of data')
video_file.close() cond_print('done.\n') cond_print('Video data saved to %s\n' % video_filename)
except (urllib2.URLError, ValueError, httplib.HTTPException, TypeError, socket.error): cond_print('failed.\n') error_advice_exit('unable to download video data')
except KeyboardInterrupt: sys.exit('\n')
# Finish sys.exit()
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bL4Ck_3n91n3 MotherFucker!?
Jumlah posting : 568 Join date : 18.04.08
| Subyek: Re: script download metacafe Mon May 19, 2008 12:43 am | |
| pake phyton pucing | |
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