ceph/src/rgw/rgw_auth_registry.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4
   5 #ifndef CEPH_RGW_AUTH_REGISTRY_H
   6 #define CEPH_RGW_AUTH_REGISTRY_H
   7
   8 #include <functional>
   9 #include <memory>
  10 #include <ostream>
  11 #include <type_traits>
  12 #include <utility>
  13
  14 #include "rgw_auth.h"
  15 #include "rgw_auth_s3.h"
  16 #include "rgw_swift_auth.h"
  17
  18 namespace rgw {
  19 namespace auth {
  20
  21 /* A class aggregating the knowledge about all Strategies in RadosGW. It is
  22  * responsible for handling the dynamic reconfiguration on e.g. realm update. */
  23 class StrategyRegistry {
  24   template <class AbstractorT>
  25   using s3_strategy_t = rgw::auth::s3::AWSAuthStrategy<AbstractorT>;
  26
  27   struct s3_main_strategy_t : public Strategy {
  28     using s3_main_strategy_plain_t = \
  29       s3_strategy_t<rgw::auth::s3::AWSGeneralAbstractor>;
  30     using s3_main_strategy_boto2_t = \
  31       s3_strategy_t<rgw::auth::s3::AWSGeneralBoto2Abstractor>;
  32
  33     s3_main_strategy_plain_t s3_main_strategy_plain;
  34     s3_main_strategy_boto2_t s3_main_strategy_boto2;
  35
  36     s3_main_strategy_t(CephContext* const cct, RGWRados* const store)
  37       : s3_main_strategy_plain(cct, store),
  38         s3_main_strategy_boto2(cct, store) {
  39       add_engine(Strategy::Control::SUFFICIENT, s3_main_strategy_plain);
  40       add_engine(Strategy::Control::FALLBACK, s3_main_strategy_boto2);
  41     }
  42
  43     const char* get_name() const noexcept override {
  44       return "rgw::auth::StrategyRegistry::s3_main_strategy_t";
  45     }
  46   } s3_main_strategy;
  47
  48   using s3_post_strategy_t = \
  49     s3_strategy_t<rgw::auth::s3::AWSBrowserUploadAbstractor>;
  50   s3_post_strategy_t s3_post_strategy;
  51
  52   rgw::auth::swift::DefaultStrategy swift_strategy;
  53
  54 public:
  55   StrategyRegistry(CephContext* const cct,
  56                    RGWRados* const store)
  57     : s3_main_strategy(cct, store),
  58       s3_post_strategy(cct, store),
  59       swift_strategy(cct, store) {
  60   }
  61
  62   const s3_main_strategy_t& get_s3_main() const {
  63     return s3_main_strategy;
  64   }
  65
  66   const s3_post_strategy_t& get_s3_post() const {
  67     return s3_post_strategy;
  68   }
  69
  70   const rgw::auth::swift::DefaultStrategy& get_swift() const {
  71     return swift_strategy;
  72   }
  73
  74   static std::shared_ptr<StrategyRegistry>
  75   create(CephContext* const cct,
  76          RGWRados* const store) {
  77     return std::make_shared<StrategyRegistry>(cct, store);
  78   }
  79 };
  80
  81 } /* namespace auth */
  82 } /* namespace rgw */
  83
  84 using rgw_auth_registry_t = rgw::auth::StrategyRegistry;
  85 using rgw_auth_registry_ptr_t = std::shared_ptr<rgw_auth_registry_t>;
  86
  87 #endif /* CEPH_RGW_AUTH_REGISTRY_H */