if webpage.find('encrypted=true')!=-1:
password = self._html_search_regex(r'video_title=(.+?)&', webpage, u'password')
video_url = aes_decrypt_text(video_url, password, 32).decode('utf-8')
if webpage.find('encrypted=true')!=-1:
password = self._html_search_regex(r'video_title=(.+?)&', webpage, u'password')
video_url = aes_decrypt_text(video_url, password, 32).decode('utf-8')