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[youtube-dl] / youtube_dl / extractor / xuite.py
1 # -*- coding: utf-8 -*-
2 from __future__ import unicode_literals
3
4 import base64
5
6 from .common import InfoExtractor
7 from ..compat import compat_urllib_parse_unquote
8 from ..utils import (
9     ExtractorError,
10     parse_iso8601,
11     parse_duration,
12 )
13
14
15 class XuiteIE(InfoExtractor):
16     IE_DESC = '隨意窩Xuite影音'
17     _REGEX_BASE64 = r'(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=)?'
18     _VALID_URL = r'https?://vlog\.xuite\.net/(?:play|embed)/(?P<id>%s)' % _REGEX_BASE64
19     _TESTS = [{
20         # Audio
21         'url': 'http://vlog.xuite.net/play/RGkzc1ZULTM4NjA5MTQuZmx2',
22         'md5': 'e79284c87b371424885448d11f6398c8',
23         'info_dict': {
24             'id': '3860914',
25             'ext': 'mp3',
26             'title': '孤單南半球-歐德陽',
27             'thumbnail': 're:^https?://.*\.jpg$',
28             'duration': 247.246,
29             'timestamp': 1314932940,
30             'upload_date': '20110902',
31             'uploader': '阿能',
32             'uploader_id': '15973816',
33             'categories': ['個人短片'],
34         },
35     }, {
36         # Video with only one format
37         'url': 'http://vlog.xuite.net/play/TkRZNjhULTM0NDE2MjkuZmx2',
38         'md5': 'c45737fc8ac5dc8ac2f92ecbcecf505e',
39         'info_dict': {
40             'id': '3441629',
41             'ext': 'mp4',
42             'title': '孫燕姿 - 眼淚成詩',
43             'thumbnail': 're:^https?://.*\.jpg$',
44             'duration': 217.399,
45             'timestamp': 1299383640,
46             'upload_date': '20110306',
47             'uploader': 'Valen',
48             'uploader_id': '10400126',
49             'categories': ['影視娛樂'],
50         },
51     }, {
52         # Video with two formats
53         'url': 'http://vlog.xuite.net/play/bWo1N1pLLTIxMzAxMTcwLmZsdg==',
54         'md5': '1166e0f461efe55b62e26a2d2a68e6de',
55         'info_dict': {
56             'id': '21301170',
57             'ext': 'mp4',
58             'title': '暗殺教室 02',
59             'description': '字幕:【極影字幕社】',
60             'thumbnail': 're:^https?://.*\.jpg$',
61             'duration': 1384.907,
62             'timestamp': 1421481240,
63             'upload_date': '20150117',
64             'uploader': '我只是想認真點',
65             'uploader_id': '242127761',
66             'categories': ['電玩動漫'],
67         },
68     }, {
69         'url': 'http://vlog.xuite.net/play/S1dDUjdyLTMyOTc3NjcuZmx2/%E5%AD%AB%E7%87%95%E5%A7%BF-%E7%9C%BC%E6%B7%9A%E6%88%90%E8%A9%A9',
70         'only_matching': True,
71     }]
72
73     @staticmethod
74     def base64_decode_utf8(data):
75         return base64.b64decode(data.encode('utf-8')).decode('utf-8')
76
77     @staticmethod
78     def base64_encode_utf8(data):
79         return base64.b64encode(data.encode('utf-8')).decode('utf-8')
80
81     def _extract_flv_config(self, media_id):
82         base64_media_id = self.base64_encode_utf8(media_id)
83         flv_config = self._download_xml(
84             'http://vlog.xuite.net/flash/player?media=%s' % base64_media_id,
85             'flv config')
86         prop_dict = {}
87         for prop in flv_config.findall('./property'):
88             prop_id = self.base64_decode_utf8(prop.attrib['id'])
89             # CDATA may be empty in flv config
90             if not prop.text:
91                 continue
92             encoded_content = self.base64_decode_utf8(prop.text)
93             prop_dict[prop_id] = compat_urllib_parse_unquote(encoded_content)
94         return prop_dict
95
96     def _real_extract(self, url):
97         video_id = self._match_id(url)
98
99         webpage = self._download_webpage(url, video_id)
100
101         error_msg = self._search_regex(
102             r'<div id="error-message-content">([^<]+)',
103             webpage, 'error message', default=None)
104         if error_msg:
105             raise ExtractorError(
106                 '%s returned error: %s' % (self.IE_NAME, error_msg),
107                 expected=True)
108
109         video_id = self._html_search_regex(
110             r'data-mediaid="(\d+)"', webpage, 'media id')
111         flv_config = self._extract_flv_config(video_id)
112
113         FORMATS = {
114             'audio': 'mp3',
115             'video': 'mp4',
116         }
117
118         formats = []
119         for format_tag in ('src', 'hq_src'):
120             video_url = flv_config.get(format_tag)
121             if not video_url:
122                 continue
123             format_id = self._search_regex(
124                 r'\bq=(.+?)\b', video_url, 'format id', default=format_tag)
125             formats.append({
126                 'url': video_url,
127                 'ext': FORMATS.get(flv_config['type'], 'mp4'),
128                 'format_id': format_id,
129                 'height': int(format_id) if format_id.isnumeric() else None,
130             })
131         self._sort_formats(formats)
132
133         timestamp = flv_config.get('publish_datetime')
134         if timestamp:
135             timestamp = parse_iso8601(timestamp + ' +0800', ' ')
136
137         category = flv_config.get('category')
138         categories = [category] if category else []
139
140         return {
141             'id': video_id,
142             'title': flv_config['title'],
143             'description': flv_config.get('description'),
144             'thumbnail': flv_config.get('thumb'),
145             'timestamp': timestamp,
146             'uploader': flv_config.get('author_name'),
147             'uploader_id': flv_config.get('author_id'),
148             'duration': parse_duration(flv_config.get('duration')),
149             'categories': categories,
150             'formats': formats,
151         }