src/net/url_request/url_request_redirect_job.h

   1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef NET_URL_REQUEST_URL_REQUEST_REDIRECT_JOB_H_
   6 #define NET_URL_REQUEST_URL_REQUEST_REDIRECT_JOB_H_
   7
   8 #include <string>
   9
  10 #include "base/memory/weak_ptr.h"
  11 #include "net/base/net_export.h"
  12 #include "net/url_request/url_request_job.h"
  13
  14 class GURL;
  15
  16 namespace net {
  17
  18 // A URLRequestJob that will redirect the request to the specified
  19 // URL.  This is useful to restart a request at a different URL based
  20 // on the result of another job.
  21 class NET_EXPORT URLRequestRedirectJob : public URLRequestJob {
  22  public:
  23   // Valid status codes for the redirect job. Other 30x codes are theoretically
  24   // valid, but unused so far.  Both 302 and 307 are temporary redirects, with
  25   // the difference being that 302 converts POSTs to GETs and removes upload
  26   // data.
  27   enum StatusCode {
  28     REDIRECT_302_FOUND = 302,
  29     REDIRECT_307_TEMPORARY_REDIRECT = 307,
  30   };
  31
  32   // Constructs a job that redirects to the specified URL.  |redirect_reason| is
  33   // logged for debugging purposes, and must not be an empty string.
  34   URLRequestRedirectJob(URLRequest* request,
  35                         NetworkDelegate* network_delegate,
  36                         const GURL& redirect_destination,
  37                         StatusCode http_status_code,
  38                         const std::string& redirect_reason);
  39
  40   virtual void Start() OVERRIDE;
  41   virtual bool IsRedirectResponse(GURL* location,
  42                                   int* http_status_code) OVERRIDE;
  43   virtual bool CopyFragmentOnRedirect(const GURL& location) const OVERRIDE;
  44
  45   virtual void GetLoadTimingInfo(
  46       LoadTimingInfo* load_timing_info) const OVERRIDE;
  47
  48  private:
  49   virtual ~URLRequestRedirectJob();
  50
  51   void StartAsync();
  52
  53   const GURL redirect_destination_;
  54   const int http_status_code_;
  55   base::TimeTicks receive_headers_end_;
  56   std::string redirect_reason_;
  57
  58   base::WeakPtrFactory<URLRequestRedirectJob> weak_factory_;
  59 };
  60
  61 }  // namespace net
  62
  63 #endif  // NET_URL_REQUEST_URL_REQUEST_REDIRECT_JOB_H_