src/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             bool AllowAnonAccessT = false>
  26   using s3_strategy_t = \
  27     rgw::auth::s3::AWSAuthStrategy<AbstractorT, AllowAnonAccessT>;
  28
  29   struct s3_main_strategy_t : public Strategy {
  30     using s3_main_strategy_plain_t = \
  31       s3_strategy_t<rgw::auth::s3::AWSGeneralAbstractor, true>;
  32     using s3_main_strategy_boto2_t = \
  33       s3_strategy_t<rgw::auth::s3::AWSGeneralBoto2Abstractor, true>;
  34
  35     s3_main_strategy_plain_t s3_main_strategy_plain;
  36     s3_main_strategy_boto2_t s3_main_strategy_boto2;
  37
  38     s3_main_strategy_t(CephContext* const cct, RGWRados* const store)
  39       : s3_main_strategy_plain(cct, store),
  40         s3_main_strategy_boto2(cct, store) {
  41       add_engine(Strategy::Control::SUFFICIENT, s3_main_strategy_plain);
  42       add_engine(Strategy::Control::FALLBACK, s3_main_strategy_boto2);
  43     }
  44
  45     const char* get_name() const noexcept override {
  46       return "rgw::auth::StrategyRegistry::s3_main_strategy_t";
  47     }
  48   } s3_main_strategy;
  49
  50   using s3_post_strategy_t = \
  51     s3_strategy_t<rgw::auth::s3::AWSBrowserUploadAbstractor>;
  52   s3_post_strategy_t s3_post_strategy;
  53
  54   rgw::auth::swift::DefaultStrategy swift_strategy;
  55
  56 public:
  57   StrategyRegistry(CephContext* const cct,
  58                    RGWRados* const store)
  59     : s3_main_strategy(cct, store),
  60       s3_post_strategy(cct, store),
  61       swift_strategy(cct, store) {
  62   }
  63
  64   const s3_main_strategy_t& get_s3_main() const {
  65     return s3_main_strategy;
  66   }
  67
  68   const s3_post_strategy_t& get_s3_post() const {
  69     return s3_post_strategy;
  70   }
  71
  72   const rgw::auth::swift::DefaultStrategy& get_swift() const {
  73     return swift_strategy;
  74   }
  75
  76   static std::shared_ptr<StrategyRegistry>
  77   create(CephContext* const cct,
  78          RGWRados* const store) {
  79     return std::make_shared<StrategyRegistry>(cct, store);
  80   }
  81 };
  82
  83 } /* namespace auth */
  84 } /* namespace rgw */
  85
  86 using rgw_auth_registry_t = rgw::auth::StrategyRegistry;
  87 using rgw_auth_registry_ptr_t = std::shared_ptr<rgw_auth_registry_t>;
  88
  89 #endif /* CEPH_RGW_AUTH_REGISTRY_H */