- request = compat_urllib_request.Request(
- self._LOGIN_POST_URL, compat_urllib_parse.urlencode(login_form).encode('utf-8'))
- request.add_header('Referer', self._LOGIN_URL)
+ redirect_url = handle.geturl()
+
+ post_url = self._search_regex(
+ r'<form[^>]+action=(["\'])(?P<url>.+?)\1', login_page,
+ 'post url', default=redirect_url, group='url')
+
+ if not post_url.startswith('http'):
+ post_url = compat_urlparse.urljoin(redirect_url, post_url)
+
+ request = sanitized_Request(
+ post_url, compat_urllib_parse.urlencode(encode_dict(login_form)).encode('utf-8'))
+ request.add_header('Referer', redirect_url)