url_namer.h

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/*
 * Copyright 2011 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.
 */


#ifndef NET_INSTAWEB_REWRITER_PUBLIC_URL_NAMER_H_
#define NET_INSTAWEB_REWRITER_PUBLIC_URL_NAMER_H_

#include "pagespeed/kernel/base/basictypes.h"
#include "pagespeed/kernel/base/string.h"

namespace net_instaweb {

class AsyncFetch;
class GoogleUrl;
class OutputResource;
class RequestHeaders;
class RewriteOptions;

class UrlNamer {
 public:
  enum EncodeOption {
    kSharded,
    kUnsharded
  };

  enum class ProxyExtent {
    kNone,
    kInputOnly,  
    kFull,       
  };

  UrlNamer();
  virtual ~UrlNamer();

  virtual GoogleString Encode(const RewriteOptions* rewrite_options,
                              const OutputResource& output_resource,
                              EncodeOption encode_option) const;

  virtual bool Decode(const GoogleUrl& request_url,
                      const RewriteOptions* rewrite_options,
                      GoogleString* decoded) const;

  virtual bool IsAuthorized(const GoogleUrl& request_url,
                            const RewriteOptions& options) const;

  virtual void ConfigureCustomOptions(const RequestHeaders& request_headers,
                                      RewriteOptions* options) const {}

  virtual ProxyExtent ProxyMode() const { return ProxyExtent::kNone; }

  virtual bool IsProxyEncoded(const GoogleUrl& url) const { return false; }

  virtual void PrepForCrossDomain(AsyncFetch*) const { }

  const GoogleString& proxy_domain() const { return proxy_domain_; }

  void set_proxy_domain(const GoogleString& proxy_domain) {
    proxy_domain_ = proxy_domain;
  }

 private:
  GoogleString proxy_domain_;

  
};

}  

#endif