| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| // Author: jmarantz@google.com (Joshua Marantz) |
| |
| #ifndef NET_INSTAWEB_REWRITER_PUBLIC_IFRAME_FETCHER_H_ |
| #define NET_INSTAWEB_REWRITER_PUBLIC_IFRAME_FETCHER_H_ |
| |
| #include "net/instaweb/http/public/url_async_fetcher.h" |
| #include "net/instaweb/rewriter/public/rewrite_options.h" |
| #include "pagespeed/kernel/base/string.h" |
| #include "pagespeed/kernel/http/user_agent_matcher.h" |
| |
| namespace net_instaweb { |
| |
| class AsyncFetch; |
| class MessageHandler; |
| |
| // Fakes a fetch of a URL by synthesizing HTML with an empty head |
| // and a body that consists solely of the URL as an iframe src. |
| class IframeFetcher : public UrlAsyncFetcher { |
| public: |
| // Id of iframe element inserted by fetcher. |
| static const char kIframeId[]; |
| |
| IframeFetcher(const RewriteOptions* options, const UserAgentMatcher* matcher, |
| UrlAsyncFetcher* proxy_fetcher); |
| |
| virtual ~IframeFetcher(); |
| virtual void Fetch(const GoogleString& url, |
| MessageHandler* message_handler, |
| AsyncFetch* fetch); |
| |
| private: |
| bool SupportedDevice(const char* user_agent) const; |
| void RespondWithIframe(const GoogleString& escaped_url, |
| AsyncFetch* fetch, |
| MessageHandler* message_handler); |
| void RespondWithRedirect(const GoogleString& url, |
| const GoogleString& escaped_url, |
| AsyncFetch* fetch, |
| MessageHandler* message_handler); |
| void RespondWithError(const GoogleString& escaped_url, |
| AsyncFetch* fetch, |
| MessageHandler* message_handler); |
| |
| const RewriteOptions* options_; |
| const UserAgentMatcher* user_agent_matcher_; |
| UrlAsyncFetcher* proxy_fetcher_; |
| }; |
| |
| } // namespace net_instaweb |
| |
| #endif // NET_INSTAWEB_REWRITER_PUBLIC_IFRAME_FETCHER_H_ |