Philipp Hagemeister
11 years ago
2 changed files with 111 additions and 94 deletions
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import json |
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import netrc |
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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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|
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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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"""Information Extractor for Facebook""" |
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|
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_VALID_URL = r'^(?:https?://)?(?:\w+\.)?facebook\.com/(?:video/video|photo)\.php\?(?:.*?)v=(?P<ID>\d+)(?:.*)' |
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_LOGIN_URL = 'https://login.facebook.com/login.php?m&next=http%3A%2F%2Fm.facebook.com%2Fhome.php&' |
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_NETRC_MACHINE = 'facebook' |
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IE_NAME = u'facebook' |
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|
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def report_login(self): |
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"""Report attempt to log in.""" |
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self.to_screen(u'Logging in') |
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|
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def _real_initialize(self): |
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if self._downloader is None: |
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return |
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|
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useremail = None |
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password = None |
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downloader_params = self._downloader.params |
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# Attempt to use provided username and password or .netrc data |
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if downloader_params.get('username', None) is not None: |
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useremail = downloader_params['username'] |
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password = downloader_params['password'] |
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elif downloader_params.get('usenetrc', False): |
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try: |
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info = netrc.netrc().authenticators(self._NETRC_MACHINE) |
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if info is not None: |
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useremail = info[0] |
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password = info[2] |
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else: |
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raise netrc.NetrcParseError('No authenticators for %s' % self._NETRC_MACHINE) |
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except (IOError, netrc.NetrcParseError) as err: |
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self._downloader.report_warning(u'parsing .netrc: %s' % compat_str(err)) |
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return |
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|
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if useremail is None: |
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return |
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|
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# Log in |
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login_form = { |
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'email': useremail, |
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'pass': password, |
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'login': 'Log+In' |
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} |
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request = compat_urllib_request.Request(self._LOGIN_URL, compat_urllib_parse.urlencode(login_form)) |
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try: |
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self.report_login() |
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login_results = compat_urllib_request.urlopen(request).read() |
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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(u'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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except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err: |
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self._downloader.report_warning(u'unable to log in: %s' % compat_str(err)) |
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return |
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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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if mobj is None: |
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raise ExtractorError(u'Invalid URL: %s' % 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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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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raise ExtractorError(u'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(u'Cannot find video URL') |
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video_duration = int(video_data['video_duration']) |
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thumbnail = video_data['thumbnail_src'] |
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|
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video_title = self._html_search_regex('<h2 class="uiHeaderTitle">([^<]+)</h2>', |
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webpage, u'title') |
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info = { |
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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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'ext': 'mp4', |
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'duration': video_duration, |
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'thumbnail': thumbnail, |
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} |
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return [info] |
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