Page Speed Optimization Libraries  1.7.30.1
net/instaweb/rewriter/public/url_namer.h
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00001 /*
00002  * Copyright 2011 Google Inc.
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *      http:///www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 
00018 
00019 #ifndef NET_INSTAWEB_REWRITER_PUBLIC_URL_NAMER_H_
00020 #define NET_INSTAWEB_REWRITER_PUBLIC_URL_NAMER_H_
00021 
00022 #include "net/instaweb/util/public/basictypes.h"
00023 #include "net/instaweb/util/public/string.h"
00024 #include "net/instaweb/util/public/string_util.h"
00025 
00026 namespace net_instaweb {
00027 
00028 class GoogleUrl;
00029 class OutputResource;
00030 class RequestHeaders;
00031 class RewriteOptions;
00032 
00038 class UrlNamer {
00039  public:
00040   enum EncodeOption {
00041     kSharded,
00042     kUnsharded
00043   };
00044 
00045   UrlNamer();
00046   virtual ~UrlNamer();
00047 
00055   virtual GoogleString Encode(const RewriteOptions* rewrite_options,
00056                               const OutputResource& output_resource,
00057                               EncodeOption encode_option) const;
00058 
00066   virtual bool Decode(const GoogleUrl& request_url,
00067                       GoogleUrl* owner_domain,
00068                       GoogleString* decoded) const;
00069 
00074   virtual bool IsAuthorized(const GoogleUrl& request_url,
00075                             const RewriteOptions& options) const;
00076 
00078   virtual void ConfigureCustomOptions(const RequestHeaders& request_headers,
00079                                       RewriteOptions* options) const {}
00080 
00083   virtual bool ProxyMode() const { return false; }
00084 
00087   virtual bool IsProxyEncoded(const GoogleUrl& url) const { return false; }
00088 
00091   virtual bool ResolveToOriginUrl(const RewriteOptions& options,
00092                                   const StringPiece& referer_url_str,
00093                                   GoogleUrl* request_url) const;
00094   const GoogleString& get_proxy_domain() {
00095     return proxy_domain_;
00096   }
00097 
00098   void set_proxy_domain(const GoogleString proxy_domain) {
00099     proxy_domain_ = proxy_domain;
00100   }
00101 
00102  private:
00103   GoogleString proxy_domain_;
00104 
00105   DISALLOW_COPY_AND_ASSIGN(UrlNamer);
00106 };
00107 
00108 }  
00109 
00110 #endif  ///< NET_INSTAWEB_REWRITER_PUBLIC_URL_NAMER_H_
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