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  1. from __future__ import unicode_literals
  2. import json
  3. import re
  4. import socket
  5. from .common import InfoExtractor
  6. from ..compat import (
  7. compat_http_client,
  8. compat_str,
  9. compat_urllib_error,
  10. compat_urllib_parse,
  11. compat_urllib_request,
  12. )
  13. from ..utils import (
  14. ExtractorError,
  15. int_or_none,
  16. limit_length,
  17. urlencode_postdata,
  18. )
  19. class FacebookIE(InfoExtractor):
  20. _VALID_URL = r'''(?x)
  21. https?://(?:\w+\.)?facebook\.com/
  22. (?:[^#]*?\#!/)?
  23. (?:
  24. (?:video/video\.php|photo\.php|video\.php|video/embed)\?(?:.*?)
  25. (?:v|video_id)=|
  26. [^/]+/videos/(?:[^/]+/)?
  27. )
  28. (?P<id>[0-9]+)
  29. (?:.*)'''
  30. _LOGIN_URL = 'https://www.facebook.com/login.php?next=http%3A%2F%2Ffacebook.com%2Fhome.php&login_attempt=1'
  31. _CHECKPOINT_URL = 'https://www.facebook.com/checkpoint/?next=http%3A%2F%2Ffacebook.com%2Fhome.php&_fb_noscript=1'
  32. _NETRC_MACHINE = 'facebook'
  33. IE_NAME = 'facebook'
  34. _TESTS = [{
  35. 'url': 'https://www.facebook.com/video.php?v=637842556329505&fref=nf',
  36. 'md5': '6a40d33c0eccbb1af76cf0485a052659',
  37. 'info_dict': {
  38. 'id': '637842556329505',
  39. 'ext': 'mp4',
  40. 'title': 're:Did you know Kei Nishikori is the first Asian man to ever reach a Grand Slam',
  41. }
  42. }, {
  43. 'note': 'Video without discernible title',
  44. 'url': 'https://www.facebook.com/video.php?v=274175099429670',
  45. 'info_dict': {
  46. 'id': '274175099429670',
  47. 'ext': 'mp4',
  48. 'title': 'Facebook video #274175099429670',
  49. }
  50. }, {
  51. 'url': 'https://www.facebook.com/video.php?v=10204634152394104',
  52. 'only_matching': True,
  53. }, {
  54. 'url': 'https://www.facebook.com/amogood/videos/1618742068337349/?fref=nf',
  55. 'only_matching': True,
  56. }, {
  57. 'url': 'https://www.facebook.com/ChristyClarkForBC/videos/vb.22819070941/10153870694020942/?type=2&theater',
  58. 'only_matching': True,
  59. }]
  60. def _login(self):
  61. (useremail, password) = self._get_login_info()
  62. if useremail is None:
  63. return
  64. login_page_req = compat_urllib_request.Request(self._LOGIN_URL)
  65. login_page_req.add_header('Cookie', 'locale=en_US')
  66. login_page = self._download_webpage(login_page_req, None,
  67. note='Downloading login page',
  68. errnote='Unable to download login page')
  69. lsd = self._search_regex(
  70. r'<input type="hidden" name="lsd" value="([^"]*)"',
  71. login_page, 'lsd')
  72. lgnrnd = self._search_regex(r'name="lgnrnd" value="([^"]*?)"', login_page, 'lgnrnd')
  73. login_form = {
  74. 'email': useremail,
  75. 'pass': password,
  76. 'lsd': lsd,
  77. 'lgnrnd': lgnrnd,
  78. 'next': 'http://facebook.com/home.php',
  79. 'default_persistent': '0',
  80. 'legacy_return': '1',
  81. 'timezone': '-60',
  82. 'trynum': '1',
  83. }
  84. request = compat_urllib_request.Request(self._LOGIN_URL, urlencode_postdata(login_form))
  85. request.add_header('Content-Type', 'application/x-www-form-urlencoded')
  86. try:
  87. login_results = self._download_webpage(request, None,
  88. note='Logging in', errnote='unable to fetch login page')
  89. if re.search(r'<form(.*)name="login"(.*)</form>', login_results) is not None:
  90. self._downloader.report_warning('unable to log in: bad username/password, or exceded login rate limit (~3/min). Check credentials or wait.')
  91. return
  92. check_form = {
  93. 'fb_dtsg': self._search_regex(r'name="fb_dtsg" value="(.+?)"', login_results, 'fb_dtsg'),
  94. 'h': self._search_regex(
  95. r'name="h"\s+(?:\w+="[^"]+"\s+)*?value="([^"]+)"', login_results, 'h'),
  96. 'name_action_selected': 'dont_save',
  97. }
  98. check_req = compat_urllib_request.Request(self._CHECKPOINT_URL, urlencode_postdata(check_form))
  99. check_req.add_header('Content-Type', 'application/x-www-form-urlencoded')
  100. check_response = self._download_webpage(check_req, None,
  101. note='Confirming login')
  102. if re.search(r'id="checkpointSubmitButton"', check_response) is not None:
  103. self._downloader.report_warning('Unable to confirm login, you have to login in your brower and authorize the login.')
  104. except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
  105. self._downloader.report_warning('unable to log in: %s' % compat_str(err))
  106. return
  107. def _real_initialize(self):
  108. self._login()
  109. def _real_extract(self, url):
  110. video_id = self._match_id(url)
  111. url = 'https://www.facebook.com/video/video.php?v=%s' % video_id
  112. webpage = self._download_webpage(url, video_id)
  113. BEFORE = '{swf.addParam(param[0], param[1]);});\n'
  114. AFTER = '.forEach(function(variable) {swf.addVariable(variable[0], variable[1]);});'
  115. m = re.search(re.escape(BEFORE) + '(.*?)' + re.escape(AFTER), webpage)
  116. if not m:
  117. m_msg = re.search(r'class="[^"]*uiInterstitialContent[^"]*"><div>(.*?)</div>', webpage)
  118. if m_msg is not None:
  119. raise ExtractorError(
  120. 'The video is not available, Facebook said: "%s"' % m_msg.group(1),
  121. expected=True)
  122. else:
  123. raise ExtractorError('Cannot parse data')
  124. data = dict(json.loads(m.group(1)))
  125. params_raw = compat_urllib_parse.unquote(data['params'])
  126. params = json.loads(params_raw)
  127. video_data = params['video_data'][0]
  128. formats = []
  129. for quality in ['sd', 'hd']:
  130. src = video_data.get('%s_src' % quality)
  131. if src is not None:
  132. formats.append({
  133. 'format_id': quality,
  134. 'url': src,
  135. })
  136. if not formats:
  137. raise ExtractorError('Cannot find video formats')
  138. video_title = self._html_search_regex(
  139. r'<h2 class="uiHeaderTitle">([^<]*)</h2>', webpage, 'title',
  140. fatal=False)
  141. if not video_title:
  142. video_title = self._html_search_regex(
  143. r'(?s)<span class="fbPhotosPhotoCaption".*?id="fbPhotoPageCaption"><span class="hasCaption">(.*?)</span>',
  144. webpage, 'alternative title', default=None)
  145. video_title = limit_length(video_title, 80)
  146. if not video_title:
  147. video_title = 'Facebook video #%s' % video_id
  148. return {
  149. 'id': video_id,
  150. 'title': video_title,
  151. 'formats': formats,
  152. 'duration': int_or_none(video_data.get('video_duration')),
  153. 'thumbnail': video_data.get('thumbnail_src'),
  154. }