Add player signature verification to rtmpdump support (fixes issue #63)

This commit is contained in:
Ricardo Garcia 2010-05-30 19:49:51 +02:00
parent 2a7353b87a
commit e616ec0ca6

View File

@ -423,7 +423,7 @@ class FileDownloader(object):
return return
try: try:
success = self._do_download(filename, info_dict['url'].encode('utf-8')) success = self._do_download(filename, info_dict['url'].encode('utf-8'), info_dict.get('player_url', None))
except (OSError, IOError), err: except (OSError, IOError), err:
raise UnavailableFormatError raise UnavailableFormatError
except (urllib2.URLError, httplib.HTTPException, socket.error), err: except (urllib2.URLError, httplib.HTTPException, socket.error), err:
@ -475,7 +475,7 @@ class FileDownloader(object):
if info is None: if info is None:
break break
def _download_with_rtmpdump(self, filename, url): def _download_with_rtmpdump(self, filename, url, player_url):
self.report_destination(filename) self.report_destination(filename)
# Check for rtmpdump first # Check for rtmpdump first
@ -488,12 +488,16 @@ class FileDownloader(object):
# Download using rtmpdump. rtmpdump returns exit code 2 when # Download using rtmpdump. rtmpdump returns exit code 2 when
# the connection was interrumpted and resuming appears to be # the connection was interrumpted and resuming appears to be
# possible. This is part of rtmpdump's normal usage, AFAIK. # possible. This is part of rtmpdump's normal usage, AFAIK.
basic_args = ['rtmpdump', '-q', '-r', url, '-o', filename] basic_args = ['rtmpdump', '-q'] + [[], ['-W', player_url]][player_url is not None] + ['-r', url, '-o', filename]
retval = subprocess.call(basic_args + [[], ['-e', '-k', '1']][self.params.get('continuedl', False)]) retval = subprocess.call(basic_args + [[], ['-e', '-k', '1']][self.params.get('continuedl', False)])
while retval == 2 or retval == 1: while retval == 2 or retval == 1:
self.to_stdout(u'\r[rtmpdump] %s bytes' % os.path.getsize(filename), skip_eol=True) prevsize = os.path.getsize(filename)
time.sleep(2.0) # This seems to be needed self.to_stdout(u'\r[rtmpdump] %s bytes' % prevsize, skip_eol=True)
time.sleep(5.0) # This seems to be needed
retval = subprocess.call(basic_args + ['-e'] + [[], ['-k', '1']][retval == 1]) retval = subprocess.call(basic_args + ['-e'] + [[], ['-k', '1']][retval == 1])
cursize = os.path.getsize(filename)
if prevsize == cursize and retval == 1:
break
if retval == 0: if retval == 0:
self.to_stdout(u'\r[rtmpdump] %s bytes' % os.path.getsize(filename)) self.to_stdout(u'\r[rtmpdump] %s bytes' % os.path.getsize(filename))
return True return True
@ -501,10 +505,10 @@ class FileDownloader(object):
self.trouble('\nERROR: rtmpdump exited with code %d' % retval) self.trouble('\nERROR: rtmpdump exited with code %d' % retval)
return False return False
def _do_download(self, filename, url): def _do_download(self, filename, url, player_url):
# Attempt to download using rtmpdump # Attempt to download using rtmpdump
if url.startswith('rtmp'): if url.startswith('rtmp'):
return self._download_with_rtmpdump(filename, url) return self._download_with_rtmpdump(filename, url, player_url)
stream = None stream = None
open_mode = 'wb' open_mode = 'wb'
@ -606,6 +610,7 @@ class InfoExtractor(object):
stitle: Simplified title. stitle: Simplified title.
ext: Video filename extension. ext: Video filename extension.
format: Video format. format: Video format.
player_url: SWF Player URL (may be None).
The following fields are optional. Their primary purpose is to allow The following fields are optional. Their primary purpose is to allow
youtube-dl to serve as the backend for a video search function, such youtube-dl to serve as the backend for a video search function, such
@ -690,6 +695,10 @@ class YoutubeIE(InfoExtractor):
"""Report attempt to confirm age.""" """Report attempt to confirm age."""
self._downloader.to_stdout(u'[youtube] Confirming age') self._downloader.to_stdout(u'[youtube] Confirming age')
def report_video_webpage_download(self, video_id):
"""Report attempt to download video webpage."""
self._downloader.to_stdout(u'[youtube] %s: Downloading video webpage' % video_id)
def report_video_info_webpage_download(self, video_id): def report_video_info_webpage_download(self, video_id):
"""Report attempt to download video info webpage.""" """Report attempt to download video info webpage."""
self._downloader.to_stdout(u'[youtube] %s: Downloading video info webpage' % video_id) self._downloader.to_stdout(u'[youtube] %s: Downloading video info webpage' % video_id)
@ -802,6 +811,22 @@ class YoutubeIE(InfoExtractor):
# Extension # Extension
video_extension = self._video_extensions.get(format_param, 'flv') video_extension = self._video_extensions.get(format_param, 'flv')
# Get video webpage
self.report_video_webpage_download(video_id)
request = urllib2.Request('http://www.youtube.com/watch?v=%s&gl=US&hl=en' % video_id, None, std_headers)
try:
video_webpage = urllib2.urlopen(request).read()
except (urllib2.URLError, httplib.HTTPException, socket.error), err:
self._downloader.trouble(u'ERROR: unable to download video webpage: %s' % str(err))
return
# Attempt to extract SWF player URL
mobj = re.search(r'swfConfig.*"(http://.*?watch-.*?\.swf)"', video_webpage)
if mobj is not None:
player_url = mobj.group(1)
else:
player_url = None
# Get video info # Get video info
self.report_video_info_webpage_download(video_id) self.report_video_info_webpage_download(video_id)
for el_type in ['&el=embedded', '&el=detailpage', '&el=vevo', '']: for el_type in ['&el=embedded', '&el=detailpage', '&el=vevo', '']:
@ -865,20 +890,12 @@ class YoutubeIE(InfoExtractor):
else: # don't panic if we can't find it else: # don't panic if we can't find it
video_thumbnail = urllib.unquote_plus(video_info['thumbnail_url'][0]) video_thumbnail = urllib.unquote_plus(video_info['thumbnail_url'][0])
# get video description # description
video_description = 'No description available.' # we need something to pass to self._downloader video_description = 'No description available.'
# this requires an additional HTTP request and a little
# more time, so don't do it unless absolutely necessary
if self._downloader.params.get('forcedescription', False): if self._downloader.params.get('forcedescription', False):
video_page_url = 'http://www.youtube.com/watch?v=' + video_id mobj = re.search(r'<meta name="description" content="(.*)"(?:\s*/)?>', video_webpage)
request = urllib2.Request(video_page_url, None, std_headers)
try:
video_page_webpage = urllib2.urlopen(request).read()
mobj = re.search(r'<meta name="description" content="(.*)"(?:\s*/)?>', video_page_webpage)
if mobj is not None: if mobj is not None:
video_description = mobj.group(1) video_description = mobj.group(1)
except (urllib2.URLError, httplib.HTTPException, socket.error), err:
pass # don't panic if we can't find it
try: try:
# Process video information # Process video information
@ -892,6 +909,7 @@ class YoutubeIE(InfoExtractor):
'format': (format_param is None and u'NA' or format_param.decode('utf-8')), 'format': (format_param is None and u'NA' or format_param.decode('utf-8')),
'thumbnail': video_thumbnail.decode('utf-8'), 'thumbnail': video_thumbnail.decode('utf-8'),
'description': video_description.decode('utf-8'), 'description': video_description.decode('utf-8'),
'player_url': player_url,
}) })
if all_formats: if all_formats:
@ -1044,6 +1062,7 @@ class MetacafeIE(InfoExtractor):
'stitle': simple_title, 'stitle': simple_title,
'ext': video_extension.decode('utf-8'), 'ext': video_extension.decode('utf-8'),
'format': u'NA', 'format': u'NA',
'player_url': None,
}) })
except UnavailableFormatError: except UnavailableFormatError:
self._downloader.trouble(u'ERROR: format not available for video') self._downloader.trouble(u'ERROR: format not available for video')
@ -1151,6 +1170,7 @@ class GoogleIE(InfoExtractor):
'stitle': simple_title, 'stitle': simple_title,
'ext': video_extension.decode('utf-8'), 'ext': video_extension.decode('utf-8'),
'format': u'NA', 'format': u'NA',
'player_url': None,
}) })
except UnavailableFormatError: except UnavailableFormatError:
self._downloader.trouble(u'ERROR: format not available for video') self._downloader.trouble(u'ERROR: format not available for video')
@ -1229,6 +1249,7 @@ class PhotobucketIE(InfoExtractor):
'stitle': simple_title, 'stitle': simple_title,
'ext': video_extension.decode('utf-8'), 'ext': video_extension.decode('utf-8'),
'format': u'NA', 'format': u'NA',
'player_url': None,
}) })
except UnavailableFormatError: except UnavailableFormatError:
self._downloader.trouble(u'ERROR: format not available for video') self._downloader.trouble(u'ERROR: format not available for video')
@ -1383,6 +1404,7 @@ class YahooIE(InfoExtractor):
'description': video_description, 'description': video_description,
'thumbnail': video_thumbnail, 'thumbnail': video_thumbnail,
'description': video_description, 'description': video_description,
'player_url': None,
}) })
except UnavailableFormatError: except UnavailableFormatError:
self._downloader.trouble(u'ERROR: format not available for video') self._downloader.trouble(u'ERROR: format not available for video')
@ -1478,6 +1500,7 @@ class GenericIE(InfoExtractor):
'stitle': simple_title, 'stitle': simple_title,
'ext': video_extension.decode('utf-8'), 'ext': video_extension.decode('utf-8'),
'format': u'NA', 'format': u'NA',
'player_url': None,
}) })
except UnavailableFormatError: except UnavailableFormatError:
self._downloader.trouble(u'ERROR: format not available for video') self._downloader.trouble(u'ERROR: format not available for video')