From 2fd466fcfcc9895230f806379d149389236acde2 Mon Sep 17 00:00:00 2001 From: hakatashi Date: Wed, 2 Jul 2014 02:32:54 +0900 Subject: [PATCH] [niconico] Download without authentication --- youtube_dl/extractor/niconico.py | 39 +++++++++++++++++++++++++------- 1 file changed, 31 insertions(+), 8 deletions(-) diff --git a/youtube_dl/extractor/niconico.py b/youtube_dl/extractor/niconico.py index 517a72561..ba7464cb8 100644 --- a/youtube_dl/extractor/niconico.py +++ b/youtube_dl/extractor/niconico.py @@ -39,15 +39,18 @@ class NiconicoIE(InfoExtractor): _VALID_URL = r'^https?://(?:www\.|secure\.)?nicovideo\.jp/watch/([a-z][a-z][0-9]+)(?:.*)$' _NETRC_MACHINE = 'niconico' + # Determine whether the downloader uses authentication to download video + _AUTHENTICATE = False def _real_initialize(self): - self._login() + if self._downloader.params.get('username', None) is not None: + self._AUTHENTICATE = True + + if self._AUTHENTICATE: + self._login() def _login(self): (username, password) = self._get_login_info() - if username is None: - # Login is required - raise ExtractorError('No login info available, needed for using %s.' % self.IE_NAME, expected=True) # Log in login_form_strs = { @@ -79,10 +82,30 @@ def _real_extract(self, url): 'http://ext.nicovideo.jp/api/getthumbinfo/' + video_id, video_id, note='Downloading video info page') - # Get flv info - flv_info_webpage = self._download_webpage( - 'http://flapi.nicovideo.jp/api/getflv?v=' + video_id, - video_id, 'Downloading flv info') + if self._AUTHENTICATE: + # Get flv info + flv_info_webpage = self._download_webpage( + 'http://flapi.nicovideo.jp/api/getflv?v=' + video_id, + video_id, 'Downloading flv info') + else: + # Get external player info + ext_player_info = self._download_webpage( + 'http://ext.nicovideo.jp/thumb_watch/' + video_id, video_id) + thumb_play_key = self._search_regex( + r'\'thumbPlayKey\'\s*:\s*\'(.*?)\'', ext_player_info, 'thumbPlayKey') + + # Get flv info + flv_info_data = compat_urllib_parse.urlencode({ + 'k': thumb_play_key, + 'v': video_id + }) + flv_info_request = compat_urllib_request.Request( + 'http://ext.nicovideo.jp/thumb_watch', flv_info_data, + {'Content-Type': 'application/x-www-form-urlencoded'}) + flv_info_webpage = self._download_webpage( + flv_info_request, video_id, + note='Downloading flv info', errnote='Unable to download flv info') + video_real_url = compat_urlparse.parse_qs(flv_info_webpage)['url'][0] # Start extracting information