+ }, {
+ # from http://www.cnet.com/videos/tesla-model-s-a-second-step-towards-a-cleaner-motoring-future/
+ 'url': 'http://link.theplatform.com/s/kYEXFC/22d_qsQ6MIRT',
+ 'info_dict': {
+ 'id': '22d_qsQ6MIRT',
+ 'ext': 'flv',
+ 'description': 'md5:ac330c9258c04f9d7512cf26b9595409',
+ 'title': 'Tesla Model S: A second step towards a cleaner motoring future',
+ },
+ 'params': {
+ # rtmp download
+ 'skip_download': True,
+ }
+ }]
+
+ @staticmethod
+ def _sign_url(url, sig_key, sig_secret, life=600, include_qs=False):
+ flags = '10' if include_qs else '00'
+ expiration_date = '%x' % (int(time.time()) + life)
+
+ def str_to_hex(str):
+ return binascii.b2a_hex(str.encode('ascii')).decode('ascii')
+
+ def hex_to_str(hex):
+ return binascii.a2b_hex(hex)
+
+ relative_path = url.split('http://link.theplatform.com/s/')[1].split('?')[0]
+ clear_text = hex_to_str(flags + expiration_date + str_to_hex(relative_path))
+ checksum = hmac.new(sig_key.encode('ascii'), clear_text, hashlib.sha1).hexdigest()
+ sig = flags + expiration_date + checksum + str_to_hex(sig_secret)
+ return '%s&sig=%s' % (url, sig)
+