ios/web/public/referrer_util.h

   1 // Copyright 2013 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 IOS_WEB_PUBLIC_REFERRER_UTIL_H_
   6 #define IOS_WEB_PUBLIC_REFERRER_UTIL_H_
   7
   8 #include <string>
   9
  10 #include "ios/web/public/referrer.h"
  11 #include "net/url_request/url_request.h"
  12
  13 class GURL;
  14
  15 namespace web {
  16
  17 // Returns a sanitized version of |referrer| for use in a Referer header.
  18 GURL ReferrerForHeader(const GURL& referrer);
  19
  20 // Returns the string that should be sent as the Referer header value for
  21 // navigating to |destination| from the given referrer, taking the referrer
  22 // policy into account. Returns an empty string if no Referer should be sent.
  23 std::string ReferrerHeaderValueForNavigation(
  24     const GURL& destination,
  25     const web::Referrer& referrer);
  26
  27 // Returns the policy that should be used to process subsequent forwards, if
  28 // any.
  29 net::URLRequest::ReferrerPolicy PolicyForNavigation(
  30     const GURL& destination,
  31     const web::Referrer& referrer);
  32
  33 // Returns the WebReferrerPolicy corresponding to the given policy string
  34 // (e.g., 'always', 'never', 'origin', 'default'). The string is assumed to
  35 // be lowercase already. Unrecognized values will be treated as Default.
  36 ReferrerPolicy ReferrerPolicyFromString(const std::string& policy);
  37
  38 }  // namespace web
  39
  40 #endif  // IOS_WEB_PUBLIC_REFERRER_UTIL_H_