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[youtube-dl] / youtube_dl / extractor / gdcvault.py
1 from __future__ import unicode_literals
2
3 import re
4
5 from .common import InfoExtractor
6 from ..compat import (
7     compat_urllib_parse,
8     compat_urllib_request,
9 )
10 from ..utils import (
11     remove_end,
12     HEADRequest,
13 )
14
15
16 class GDCVaultIE(InfoExtractor):
17     _VALID_URL = r'https?://(?:www\.)?gdcvault\.com/play/(?P<id>\d+)/(?P<name>(\w|-)+)?'
18     _NETRC_MACHINE = 'gdcvault'
19     _TESTS = [
20         {
21             'url': 'http://www.gdcvault.com/play/1019721/Doki-Doki-Universe-Sweet-Simple',
22             'md5': '7ce8388f544c88b7ac11c7ab1b593704',
23             'info_dict': {
24                 'id': '1019721',
25                 'display_id': 'Doki-Doki-Universe-Sweet-Simple',
26                 'ext': 'mp4',
27                 'title': 'Doki-Doki Universe: Sweet, Simple and Genuine (GDC Next 10)'
28             }
29         },
30         {
31             'url': 'http://www.gdcvault.com/play/1015683/Embracing-the-Dark-Art-of',
32             'info_dict': {
33                 'id': '1015683',
34                 'display_id': 'Embracing-the-Dark-Art-of',
35                 'ext': 'flv',
36                 'title': 'Embracing the Dark Art of Mathematical Modeling in AI'
37             },
38             'params': {
39                 'skip_download': True,  # Requires rtmpdump
40             }
41         },
42         {
43             'url': 'http://www.gdcvault.com/play/1015301/Thexder-Meets-Windows-95-or',
44             'md5': 'a5eb77996ef82118afbbe8e48731b98e',
45             'info_dict': {
46                 'id': '1015301',
47                 'display_id': 'Thexder-Meets-Windows-95-or',
48                 'ext': 'flv',
49                 'title': 'Thexder Meets Windows 95, or Writing Great Games in the Windows 95 Environment',
50             },
51             'skip': 'Requires login',
52         },
53         {
54             'url': 'http://gdcvault.com/play/1020791/',
55             'only_matching': True,
56         }
57     ]
58
59     def _parse_mp4(self, xml_description):
60         video_formats = []
61         mp4_video = xml_description.find('./metadata/mp4video')
62         if mp4_video is None:
63             return None
64
65         mobj = re.match(r'(?P<root>https?://.*?/).*', mp4_video.text)
66         video_root = mobj.group('root')
67         formats = xml_description.findall('./metadata/MBRVideos/MBRVideo')
68         for format in formats:
69             mobj = re.match(r'mp4\:(?P<path>.*)', format.find('streamName').text)
70             url = video_root + mobj.group('path')
71             vbr = format.find('bitrate').text
72             video_formats.append({
73                 'url': url,
74                 'vbr': int(vbr),
75             })
76         return video_formats
77
78     def _parse_flv(self, xml_description):
79         formats = []
80         akamai_url = xml_description.find('./metadata/akamaiHost').text
81         audios = xml_description.find('./metadata/audios')
82         if audios is not None:
83             for audio in audios:
84                 formats.append({
85                     'url': 'rtmp://%s/ondemand?ovpfv=1.1' % akamai_url,
86                     'play_path': remove_end(audio.get('url'), '.flv'),
87                     'ext': 'flv',
88                     'vcodec': 'none',
89                     'format_id': audio.get('code'),
90                 })
91         slide_video_path = xml_description.find('./metadata/slideVideo').text
92         formats.append({
93             'url': 'rtmp://%s/ondemand?ovpfv=1.1' % akamai_url,
94             'play_path': remove_end(slide_video_path, '.flv'),
95             'ext': 'flv',
96             'format_note': 'slide deck video',
97             'quality': -2,
98             'preference': -2,
99             'format_id': 'slides',
100         })
101         speaker_video_path = xml_description.find('./metadata/speakerVideo').text
102         formats.append({
103             'url': 'rtmp://%s/ondemand?ovpfv=1.1' % akamai_url,
104             'play_path': remove_end(speaker_video_path, '.flv'),
105             'ext': 'flv',
106             'format_note': 'speaker video',
107             'quality': -1,
108             'preference': -1,
109             'format_id': 'speaker',
110         })
111         return formats
112
113     def _login(self, webpage_url, display_id):
114         (username, password) = self._get_login_info()
115         if username is None or password is None:
116             self.report_warning('It looks like ' + webpage_url + ' requires a login. Try specifying a username and password and try again.')
117             return None
118
119         mobj = re.match(r'(?P<root_url>https?://.*?/).*', webpage_url)
120         login_url = mobj.group('root_url') + 'api/login.php'
121         logout_url = mobj.group('root_url') + 'logout'
122
123         login_form = {
124             'email': username,
125             'password': password,
126         }
127
128         request = compat_urllib_request.Request(login_url, compat_urllib_parse.urlencode(login_form))
129         request.add_header('Content-Type', 'application/x-www-form-urlencoded')
130         self._download_webpage(request, display_id, 'Logging in')
131         start_page = self._download_webpage(webpage_url, display_id, 'Getting authenticated video page')
132         self._download_webpage(logout_url, display_id, 'Logging out')
133
134         return start_page
135
136     def _real_extract(self, url):
137         mobj = re.match(self._VALID_URL, url)
138
139         video_id = mobj.group('id')
140         display_id = mobj.group('name') or video_id
141
142         webpage_url = 'http://www.gdcvault.com/play/' + video_id
143         start_page = self._download_webpage(webpage_url, display_id)
144
145         direct_url = self._search_regex(
146             r's1\.addVariable\("file",\s*encodeURIComponent\("(/[^"]+)"\)\);',
147             start_page, 'url', default=None)
148         if direct_url:
149             title = self._html_search_regex(
150                 r'<td><strong>Session Name</strong></td>\s*<td>(.*?)</td>',
151                 start_page, 'title')
152             video_url = 'http://www.gdcvault.com' + direct_url
153             # resolve the url so that we can detect the correct extension
154             head = self._request_webpage(HEADRequest(video_url), video_id)
155             video_url = head.geturl()
156
157             return {
158                 'id': video_id,
159                 'display_id': display_id,
160                 'url': video_url,
161                 'title': title,
162             }
163
164         xml_root = self._html_search_regex(
165             r'<iframe src="(?P<xml_root>.*?)player.html.*?".*?</iframe>',
166             start_page, 'xml root', default=None)
167         if xml_root is None:
168             # Probably need to authenticate
169             login_res = self._login(webpage_url, display_id)
170             if login_res is None:
171                 self.report_warning('Could not login.')
172             else:
173                 start_page = login_res
174                 # Grab the url from the authenticated page
175                 xml_root = self._html_search_regex(
176                     r'<iframe src="(.*?)player.html.*?".*?</iframe>',
177                     start_page, 'xml root')
178
179         xml_name = self._html_search_regex(
180             r'<iframe src=".*?\?xml=(.+?\.xml).*?".*?</iframe>',
181             start_page, 'xml filename', default=None)
182         if xml_name is None:
183             # Fallback to the older format
184             xml_name = self._html_search_regex(r'<iframe src=".*?\?xmlURL=xml/(?P<xml_file>.+?\.xml).*?".*?</iframe>', start_page, 'xml filename')
185
186         xml_description_url = xml_root + 'xml/' + xml_name
187         xml_description = self._download_xml(xml_description_url, display_id)
188
189         video_title = xml_description.find('./metadata/title').text
190         video_formats = self._parse_mp4(xml_description)
191         if video_formats is None:
192             video_formats = self._parse_flv(xml_description)
193
194         return {
195             'id': video_id,
196             'display_id': display_id,
197             'title': video_title,
198             'formats': video_formats,
199         }