133 lines
		
	
	
		
			5.3 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			133 lines
		
	
	
		
			5.3 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| from __future__ import unicode_literals
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| 
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| import json
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| import re
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| import socket
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| 
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| from .common import InfoExtractor
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| from ..utils import (
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|     compat_http_client,
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|     compat_str,
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|     compat_urllib_error,
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|     compat_urllib_parse,
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|     compat_urllib_request,
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|     urlencode_postdata,
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| 
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|     ExtractorError,
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| )
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| 
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| 
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| class FacebookIE(InfoExtractor):
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|     _VALID_URL = r'''(?x)
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|         https?://(?:\w+\.)?facebook\.com/
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|         (?:[^#?]*\#!/)?
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|         (?:video/video\.php|photo\.php|video/embed)\?(?:.*?)
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|         (?:v|video_id)=(?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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|     _TEST = {
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|         'url': 'https://www.facebook.com/photo.php?v=120708114770723',
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|         'md5': '48975a41ccc4b7a581abd68651c1a5a8',
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|         'info_dict': {
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|             'id': '120708114770723',
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|             'ext': 'mp4',
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|             'duration': 279,
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|             'title': 'PEOPLE ARE AWESOME 2013',
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|         }
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|     }
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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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| 
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|         login_page_req = compat_urllib_request.Request(self._LOGIN_URL)
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|         login_page_req.add_header('Cookie', '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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| 
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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 = compat_urllib_request.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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|                 self._downloader.report_warning('unable to log in: bad username/password, or exceded login rate limit (~3/min). Check credentials or wait.')
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|                 return
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| 
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|             check_form = {
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|                 'fb_dtsg': self._search_regex(r'name="fb_dtsg" value="(.+?)"', login_results, 'fb_dtsg'),
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|                 'h': self._search_regex(r'name="h" value="(\w*?)"', login_results, 'h'),
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|                 'name_action_selected': 'dont_save',
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|             }
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|             check_req = compat_urllib_request.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 brower 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' % compat_str(err))
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|             return
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| 
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|     def _real_initialize(self):
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|         self._login()
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| 
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|     def _real_extract(self, url):
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|         mobj = re.match(self._VALID_URL, url)
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|         video_id = mobj.group('id')
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| 
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|         url = 'https://www.facebook.com/video/video.php?v=%s' % video_id
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|         webpage = self._download_webpage(url, video_id)
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| 
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|         BEFORE = '{swf.addParam(param[0], param[1]);});\n'
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|         AFTER = '.forEach(function(variable) {swf.addVariable(variable[0], variable[1]);});'
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|         m = re.search(re.escape(BEFORE) + '(.*?)' + re.escape(AFTER), webpage)
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|         if not m:
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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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|         data = dict(json.loads(m.group(1)))
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|         params_raw = compat_urllib_parse.unquote(data['params'])
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|         params = json.loads(params_raw)
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|         video_data = params['video_data'][0]
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|         video_url = video_data.get('hd_src')
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|         if not video_url:
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|             video_url = video_data['sd_src']
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|         if not video_url:
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|             raise ExtractorError('Cannot find video URL')
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| 
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|         video_title = self._html_search_regex(
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|             r'<h2 class="uiHeaderTitle">([^<]*)</h2>', webpage, 'title')
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| 
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|         return {
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|             'id': video_id,
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|             'title': video_title,
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|             'url': video_url,
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|             'duration': int(video_data['video_duration']),
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|             'thumbnail': video_data['thumbnail_src'],
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|         }
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