youtube-dl expects the format items to be returned as a list, but when there's only one item Facebook returns a dict instead, this wraps the dict in a list if necessary
311 lines
12 KiB
Python
311 lines
12 KiB
Python
from __future__ import unicode_literals
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import json
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import re
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import socket
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from .common import InfoExtractor
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from ..compat import (
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compat_etree_fromstring,
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compat_http_client,
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compat_urllib_error,
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compat_urllib_parse_unquote,
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compat_urllib_parse_unquote_plus,
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)
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from ..utils import (
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error_to_compat_str,
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ExtractorError,
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limit_length,
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sanitized_Request,
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urlencode_postdata,
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get_element_by_id,
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clean_html,
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)
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class FacebookIE(InfoExtractor):
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_VALID_URL = r'''(?x)
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(?:
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https?://
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(?:\w+\.)?facebook\.com/
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(?:[^#]*?\#!/)?
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(?:
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(?:
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video/video\.php|
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photo\.php|
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video\.php|
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video/embed|
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story\.php
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)\?(?:.*?)(?:v|video_id|story_fbid)=|
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[^/]+/videos/(?:[^/]+/)?|
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[^/]+/posts/|
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groups/[^/]+/permalink/
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facebook:
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)
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(?P<id>[0-9]+)
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'''
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_LOGIN_URL = 'https://www.facebook.com/login.php?next=http%3A%2F%2Ffacebook.com%2Fhome.php&login_attempt=1'
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_CHECKPOINT_URL = 'https://www.facebook.com/checkpoint/?next=http%3A%2F%2Ffacebook.com%2Fhome.php&_fb_noscript=1'
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_NETRC_MACHINE = 'facebook'
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IE_NAME = 'facebook'
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_CHROME_USER_AGENT = 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/48.0.2564.97 Safari/537.36'
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_VIDEO_PAGE_TEMPLATE = 'https://www.facebook.com/video/video.php?v=%s'
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_TESTS = [{
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'url': 'https://www.facebook.com/video.php?v=637842556329505&fref=nf',
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'md5': '6a40d33c0eccbb1af76cf0485a052659',
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'info_dict': {
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'id': '637842556329505',
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'ext': 'mp4',
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'title': 're:Did you know Kei Nishikori is the first Asian man to ever reach a Grand Slam',
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'uploader': 'Tennis on Facebook',
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}
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}, {
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'note': 'Video without discernible title',
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'url': 'https://www.facebook.com/video.php?v=274175099429670',
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'info_dict': {
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'id': '274175099429670',
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'ext': 'mp4',
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'title': 'Facebook video #274175099429670',
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'uploader': 'Asif Nawab Butt',
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},
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'expected_warnings': [
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'title'
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]
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}, {
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'note': 'Video with DASH manifest',
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'url': 'https://www.facebook.com/video.php?v=957955867617029',
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'md5': '54706e4db4f5ad58fbad82dde1f1213f',
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'info_dict': {
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'id': '957955867617029',
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'ext': 'mp4',
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'title': 'When you post epic content on instagram.com/433 8 million followers, this is ...',
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'uploader': 'Demy de Zeeuw',
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},
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}, {
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'url': 'https://www.facebook.com/maxlayn/posts/10153807558977570',
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'md5': '037b1fa7f3c2d02b7a0d7bc16031ecc6',
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'info_dict': {
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'id': '544765982287235',
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'ext': 'mp4',
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'title': '"What are you doing running in the snow?"',
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'uploader': 'FailArmy',
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}
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}, {
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'url': 'https://m.facebook.com/story.php?story_fbid=1035862816472149&id=116132035111903',
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'md5': '1deb90b6ac27f7efcf6d747c8a27f5e3',
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'info_dict': {
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'id': '1035862816472149',
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'ext': 'mp4',
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'title': 'What the Flock Is Going On In New Zealand Credit: ViralHog',
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'uploader': 'S. Saint',
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},
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}, {
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'note': 'swf params escaped',
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'url': 'https://www.facebook.com/barackobama/posts/10153664894881749',
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'md5': '97ba073838964d12c70566e0085c2b91',
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'info_dict': {
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'id': '10153664894881749',
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'ext': 'mp4',
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'title': 'Facebook video #10153664894881749',
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},
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}, {
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'url': 'https://www.facebook.com/video.php?v=10204634152394104',
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'only_matching': True,
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}, {
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'url': 'https://www.facebook.com/amogood/videos/1618742068337349/?fref=nf',
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'only_matching': True,
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}, {
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'url': 'https://www.facebook.com/ChristyClarkForBC/videos/vb.22819070941/10153870694020942/?type=2&theater',
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'only_matching': True,
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}, {
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'url': 'facebook:544765982287235',
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'only_matching': True,
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}, {
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'url': 'https://www.facebook.com/groups/164828000315060/permalink/764967300301124/',
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'only_matching': True,
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}]
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def _login(self):
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(useremail, password) = self._get_login_info()
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if useremail is None:
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return
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login_page_req = sanitized_Request(self._LOGIN_URL)
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self._set_cookie('facebook.com', 'locale', 'en_US')
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login_page = self._download_webpage(login_page_req, None,
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note='Downloading login page',
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errnote='Unable to download login page')
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lsd = self._search_regex(
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r'<input type="hidden" name="lsd" value="([^"]*)"',
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login_page, 'lsd')
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lgnrnd = self._search_regex(r'name="lgnrnd" value="([^"]*?)"', login_page, 'lgnrnd')
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login_form = {
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'email': useremail,
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'pass': password,
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'lsd': lsd,
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'lgnrnd': lgnrnd,
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'next': 'http://facebook.com/home.php',
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'default_persistent': '0',
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'legacy_return': '1',
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'timezone': '-60',
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'trynum': '1',
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}
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request = sanitized_Request(self._LOGIN_URL, urlencode_postdata(login_form))
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request.add_header('Content-Type', 'application/x-www-form-urlencoded')
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try:
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login_results = self._download_webpage(request, None,
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note='Logging in', errnote='unable to fetch login page')
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if re.search(r'<form(.*)name="login"(.*)</form>', login_results) is not None:
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error = self._html_search_regex(
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r'(?s)<div[^>]+class=(["\']).*?login_error_box.*?\1[^>]*><div[^>]*>.*?</div><div[^>]*>(?P<error>.+?)</div>',
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login_results, 'login error', default=None, group='error')
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if error:
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raise ExtractorError('Unable to login: %s' % error, expected=True)
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self._downloader.report_warning('unable to log in: bad username/password, or exceeded login rate limit (~3/min). Check credentials or wait.')
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return
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fb_dtsg = self._search_regex(
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r'name="fb_dtsg" value="(.+?)"', login_results, 'fb_dtsg', default=None)
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h = self._search_regex(
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r'name="h"\s+(?:\w+="[^"]+"\s+)*?value="([^"]+)"', login_results, 'h', default=None)
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if not fb_dtsg or not h:
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return
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check_form = {
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'fb_dtsg': fb_dtsg,
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'h': h,
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'name_action_selected': 'dont_save',
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}
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check_req = sanitized_Request(self._CHECKPOINT_URL, urlencode_postdata(check_form))
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check_req.add_header('Content-Type', 'application/x-www-form-urlencoded')
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check_response = self._download_webpage(check_req, None,
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note='Confirming login')
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if re.search(r'id="checkpointSubmitButton"', check_response) is not None:
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self._downloader.report_warning('Unable to confirm login, you have to login in your browser and authorize the login.')
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except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
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self._downloader.report_warning('unable to log in: %s' % error_to_compat_str(err))
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return
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def _real_initialize(self):
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self._login()
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def _extract_from_url(self, url, video_id, fatal_if_no_video=True):
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req = sanitized_Request(url)
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req.add_header('User-Agent', self._CHROME_USER_AGENT)
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webpage = self._download_webpage(req, video_id)
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video_data = None
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BEFORE = '{swf.addParam(param[0], param[1]);});'
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AFTER = '.forEach(function(variable) {swf.addVariable(variable[0], variable[1]);});'
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m = re.search(re.escape(BEFORE) + '(?:\n|\\\\n)(.*?)' + re.escape(AFTER), webpage)
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if m:
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swf_params = m.group(1).replace('\\\\', '\\').replace('\\"', '"')
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data = dict(json.loads(swf_params))
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params_raw = compat_urllib_parse_unquote(data['params'])
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video_data = json.loads(params_raw)['video_data']
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def video_data_list2dict(video_data):
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ret = {}
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for item in video_data:
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format_id = item['stream_type']
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ret.setdefault(format_id, []).append(item)
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return ret
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if not video_data:
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server_js_data = self._parse_json(self._search_regex(
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r'handleServerJS\(({.+})\);', webpage, 'server js data', default='{}'), video_id)
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for item in server_js_data.get('instances', []):
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if item[1][0] == 'VideoConfig':
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video_data = video_data_list2dict(item[2][0]['videoData'])
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break
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if not video_data:
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if not fatal_if_no_video:
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return webpage, False
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m_msg = re.search(r'class="[^"]*uiInterstitialContent[^"]*"><div>(.*?)</div>', webpage)
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if m_msg is not None:
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raise ExtractorError(
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'The video is not available, Facebook said: "%s"' % m_msg.group(1),
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expected=True)
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else:
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raise ExtractorError('Cannot parse data')
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formats = []
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for format_id, f in video_data.items():
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if f and isinstance(f, dict):
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f = [f]
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if not f or not isinstance(f, list):
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continue
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for quality in ('sd', 'hd'):
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for src_type in ('src', 'src_no_ratelimit'):
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src = f[0].get('%s_%s' % (quality, src_type))
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if src:
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preference = -10 if format_id == 'progressive' else 0
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if quality == 'hd':
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preference += 5
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formats.append({
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'format_id': '%s_%s_%s' % (format_id, quality, src_type),
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'url': src,
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'preference': preference,
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})
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dash_manifest = f[0].get('dash_manifest')
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if dash_manifest:
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formats.extend(self._parse_mpd_formats(
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compat_etree_fromstring(compat_urllib_parse_unquote_plus(dash_manifest))))
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if not formats:
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raise ExtractorError('Cannot find video formats')
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self._sort_formats(formats)
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video_title = self._html_search_regex(
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r'<h2\s+[^>]*class="uiHeaderTitle"[^>]*>([^<]*)</h2>', webpage, 'title',
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default=None)
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if not video_title:
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video_title = self._html_search_regex(
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r'(?s)<span class="fbPhotosPhotoCaption".*?id="fbPhotoPageCaption"><span class="hasCaption">(.*?)</span>',
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webpage, 'alternative title', default=None)
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video_title = limit_length(video_title, 80)
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if not video_title:
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video_title = 'Facebook video #%s' % video_id
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uploader = clean_html(get_element_by_id('fbPhotoPageAuthorName', webpage))
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info_dict = {
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'id': video_id,
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'title': video_title,
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'formats': formats,
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'uploader': uploader,
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}
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return webpage, info_dict
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def _real_extract(self, url):
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video_id = self._match_id(url)
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real_url = self._VIDEO_PAGE_TEMPLATE % video_id if url.startswith('facebook:') else url
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webpage, info_dict = self._extract_from_url(real_url, video_id, fatal_if_no_video=False)
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if info_dict:
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return info_dict
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if '/posts/' in url:
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entries = [
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self.url_result('facebook:%s' % vid, FacebookIE.ie_key())
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for vid in self._parse_json(
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self._search_regex(
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r'(["\'])video_ids\1\s*:\s*(?P<ids>\[.+?\])',
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webpage, 'video ids', group='ids'),
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video_id)]
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return self.playlist_result(entries, video_id)
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else:
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_, info_dict = self._extract_from_url(
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self._VIDEO_PAGE_TEMPLATE % video_id,
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video_id, fatal_if_no_video=True)
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return info_dict
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