Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 685 insertions, 0 deletions

diff --git a/src/rgw/rgw_rest_swift.h b/src/rgw/rgw_rest_swift.h
new file mode 100644
index 000000000..89873131c
--- /dev/null
+++ b/src/rgw/rgw_rest_swift.h
@@ -0,0 +1,685 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab ft=cpp
+
+#pragma once
+#define TIME_BUF_SIZE 128
+
+#include <string_view>
+
+#include <boost/optional.hpp>
+#include <boost/utility/typed_in_place_factory.hpp>
+
+#include "rgw_op.h"
+#include "rgw_rest.h"
+#include "rgw_swift_auth.h"
+#include "rgw_http_errors.h"
+
+
+class RGWGetObj_ObjStore_SWIFT : public RGWGetObj_ObjStore {
+  int custom_http_ret = 0;
+public:
+  RGWGetObj_ObjStore_SWIFT() {}
+  ~RGWGetObj_ObjStore_SWIFT() override {}
+
+  int verify_permission(optional_yield y) override;
+  int get_params(optional_yield y) override;
+  int send_response_data_error(optional_yield y) override;
+  int send_response_data(bufferlist& bl, off_t ofs, off_t len) override;
+
+  void set_custom_http_response(const int http_ret) {
+    custom_http_ret = http_ret;
+  }
+
+  bool need_object_expiration() override {
+    return true;
+  }
+};
+
+class RGWListBuckets_ObjStore_SWIFT : public RGWListBuckets_ObjStore {
+  bool need_stats;
+  bool wants_reversed;
+  std::string prefix;
+  std::vector<rgw::sal::BucketList> reverse_buffer;
+
+  uint64_t get_default_max() const override {
+    return 0;
+  }
+
+public:
+  RGWListBuckets_ObjStore_SWIFT()
+    : need_stats(true),
+      wants_reversed(false) {
+  }
+  ~RGWListBuckets_ObjStore_SWIFT() override {}
+
+  int get_params(optional_yield y) override;
+  void handle_listing_chunk(rgw::sal::BucketList&& buckets) override;
+  void send_response_begin(bool has_buckets) override;
+  void send_response_data(rgw::sal::BucketList& buckets) override;
+  void send_response_data_reversed(rgw::sal::BucketList& buckets);
+  void dump_bucket_entry(const rgw::sal::Bucket& obj);
+  void send_response_end() override;
+
+  bool should_get_stats() override { return need_stats; }
+  bool supports_account_metadata() override { return true; }
+};
+
+class RGWListBucket_ObjStore_SWIFT : public RGWListBucket_ObjStore {
+  std::string path;
+public:
+  RGWListBucket_ObjStore_SWIFT() {
+    default_max = 10000;
+  }
+  ~RGWListBucket_ObjStore_SWIFT() override {}
+
+  int get_params(optional_yield y) override;
+  void send_response() override;
+  bool need_container_stats() override { return true; }
+};
+
+class RGWStatAccount_ObjStore_SWIFT : public RGWStatAccount_ObjStore {
+  std::map<std::string, bufferlist> attrs;
+public:
+  RGWStatAccount_ObjStore_SWIFT() {
+  }
+  ~RGWStatAccount_ObjStore_SWIFT() override {}
+
+  void execute(optional_yield y) override;
+  void send_response() override;
+};
+
+class RGWStatBucket_ObjStore_SWIFT : public RGWStatBucket_ObjStore {
+public:
+  RGWStatBucket_ObjStore_SWIFT() {}
+  ~RGWStatBucket_ObjStore_SWIFT() override {}
+
+  void send_response() override;
+};
+
+class RGWCreateBucket_ObjStore_SWIFT : public RGWCreateBucket_ObjStore {
+protected:
+  bool need_metadata_upload() const override { return true; }
+public:
+  RGWCreateBucket_ObjStore_SWIFT() {}
+  ~RGWCreateBucket_ObjStore_SWIFT() override {}
+
+  int get_params(optional_yield y) override;
+  void send_response() override;
+};
+
+class RGWDeleteBucket_ObjStore_SWIFT : public RGWDeleteBucket_ObjStore {
+public:
+  RGWDeleteBucket_ObjStore_SWIFT() {}
+  ~RGWDeleteBucket_ObjStore_SWIFT() override {}
+
+  void send_response() override;
+};
+
+class RGWPutObj_ObjStore_SWIFT : public RGWPutObj_ObjStore {
+  std::string lo_etag;
+public:
+  RGWPutObj_ObjStore_SWIFT() {}
+  ~RGWPutObj_ObjStore_SWIFT() override {}
+
+  int update_slo_segment_size(rgw_slo_entry& entry);
+
+  int verify_permission(optional_yield y) override;
+  int get_params(optional_yield y) override;
+  void send_response() override;
+};
+
+class RGWPutMetadataAccount_ObjStore_SWIFT : public RGWPutMetadataAccount_ObjStore {
+public:
+  RGWPutMetadataAccount_ObjStore_SWIFT() {}
+  ~RGWPutMetadataAccount_ObjStore_SWIFT() override {}
+
+  int get_params(optional_yield y) override;
+  void send_response() override;
+};
+
+class RGWPutMetadataBucket_ObjStore_SWIFT : public RGWPutMetadataBucket_ObjStore {
+public:
+  RGWPutMetadataBucket_ObjStore_SWIFT() {}
+  ~RGWPutMetadataBucket_ObjStore_SWIFT() override {}
+
+  int get_params(optional_yield y) override;
+  void send_response() override;
+};
+
+class RGWPutMetadataObject_ObjStore_SWIFT : public RGWPutMetadataObject_ObjStore {
+public:
+  RGWPutMetadataObject_ObjStore_SWIFT() {}
+  ~RGWPutMetadataObject_ObjStore_SWIFT() override {}
+
+  int get_params(optional_yield y) override;
+  void send_response() override;
+  bool need_object_expiration() override { return true; }
+};
+
+class RGWDeleteObj_ObjStore_SWIFT : public RGWDeleteObj_ObjStore {
+public:
+  RGWDeleteObj_ObjStore_SWIFT() {}
+  ~RGWDeleteObj_ObjStore_SWIFT() override {}
+
+  int verify_permission(optional_yield y) override;
+  int get_params(optional_yield y) override;
+  bool need_object_expiration() override { return true; }
+  void send_response() override;
+};
+
+class RGWCopyObj_ObjStore_SWIFT : public RGWCopyObj_ObjStore {
+  bool sent_header;
+protected:
+  void dump_copy_info();
+public:
+  RGWCopyObj_ObjStore_SWIFT() : sent_header(false) {}
+  ~RGWCopyObj_ObjStore_SWIFT() override {}
+
+  int init_dest_policy() override;
+  int get_params(optional_yield y) override;
+  void send_response() override;
+  void send_partial_response(off_t ofs) override;
+};
+
+class RGWGetACLs_ObjStore_SWIFT : public RGWGetACLs_ObjStore {
+public:
+  RGWGetACLs_ObjStore_SWIFT() {}
+  ~RGWGetACLs_ObjStore_SWIFT() override {}
+
+  void send_response() override {}
+};
+
+class RGWPutACLs_ObjStore_SWIFT : public RGWPutACLs_ObjStore {
+public:
+  RGWPutACLs_ObjStore_SWIFT() : RGWPutACLs_ObjStore() {}
+  ~RGWPutACLs_ObjStore_SWIFT() override {}
+
+  void send_response() override {}
+};
+
+class RGWOptionsCORS_ObjStore_SWIFT : public RGWOptionsCORS_ObjStore {
+public:
+  RGWOptionsCORS_ObjStore_SWIFT() {}
+  ~RGWOptionsCORS_ObjStore_SWIFT() override {}
+
+  void send_response() override;
+};
+
+class RGWBulkDelete_ObjStore_SWIFT : public RGWBulkDelete_ObjStore {
+public:
+  RGWBulkDelete_ObjStore_SWIFT() {}
+  ~RGWBulkDelete_ObjStore_SWIFT() override {}
+
+  int get_data(std::list<RGWBulkDelete::acct_path_t>& items,
+               bool * is_truncated) override;
+  void send_response() override;
+};
+
+class RGWBulkUploadOp_ObjStore_SWIFT : public RGWBulkUploadOp_ObjStore {
+  size_t conlen;
+  size_t curpos;
+
+public:
+  RGWBulkUploadOp_ObjStore_SWIFT()
+    : conlen(0),
+      curpos(0) {
+  }
+  ~RGWBulkUploadOp_ObjStore_SWIFT() = default;
+
+  std::unique_ptr<StreamGetter> create_stream() override;
+  void send_response() override;
+};
+
+class RGWInfo_ObjStore_SWIFT : public RGWInfo_ObjStore {
+protected:
+  struct info
+  {
+    bool is_admin_info;
+    std::function<void (Formatter&, const ConfigProxy&, rgw::sal::Driver*)> list_data;
+  };
+
+  static const std::vector<std::pair<std::string, struct info>> swift_info;
+public:
+  RGWInfo_ObjStore_SWIFT() {}
+  ~RGWInfo_ObjStore_SWIFT() override {}
+
+  void execute(optional_yield y) override;
+  void send_response() override;
+  static void list_swift_data(Formatter& formatter, const ConfigProxy& config, rgw::sal::Driver* driver);
+  static void list_tempauth_data(Formatter& formatter, const ConfigProxy& config, rgw::sal::Driver* driver);
+  static void list_tempurl_data(Formatter& formatter, const ConfigProxy& config, rgw::sal::Driver* driver);
+  static void list_slo_data(Formatter& formatter, const ConfigProxy& config, rgw::sal::Driver* driver);
+  static bool is_expired(const std::string& expires, const DoutPrefixProvider* dpp);
+};
+
+
+class RGWFormPost : public RGWPostObj_ObjStore {
+  std::string get_current_filename() const override;
+  std::string get_current_content_type() const override;
+  std::size_t get_max_file_size() /*const*/;
+  bool is_next_file_to_upload() override;
+  bool is_integral();
+  bool is_non_expired();
+  void get_owner_info(const req_state* s,
+                      RGWUserInfo& owner_info) const;
+
+  parts_collection_t ctrl_parts;
+  boost::optional<post_form_part> current_data_part;
+  std::string prefix;
+  bool stream_done = false;
+
+  class SignatureHelper;
+public:
+  RGWFormPost() = default;
+  ~RGWFormPost() = default;
+
+  void init(rgw::sal::Driver* driver,
+            req_state* s,
+            RGWHandler* dialect_handler) override;
+
+  int get_params(optional_yield y) override;
+  int get_data(ceph::bufferlist& bl, bool& again) override;
+  void send_response() override;
+
+  static bool is_formpost_req(req_state* const s);
+};
+
+class RGWFormPost::SignatureHelper
+{
+private:
+  static constexpr uint32_t output_size =
+    CEPH_CRYPTO_HMACSHA1_DIGESTSIZE * 2 + 1;
+
+  unsigned char dest[CEPH_CRYPTO_HMACSHA1_DIGESTSIZE]; // 20
+  char dest_str[output_size];
+
+public:
+  SignatureHelper() = default;
+
+  const char* calc(const std::string& key,
+                   const std::string_view& path_info,
+                   const std::string_view& redirect,
+                   const std::string_view& max_file_size,
+                   const std::string_view& max_file_count,
+                   const std::string_view& expires) {
+    using ceph::crypto::HMACSHA1;
+    using UCHARPTR = const unsigned char*;
+
+    HMACSHA1 hmac((UCHARPTR) key.data(), key.size());
+
+    hmac.Update((UCHARPTR) path_info.data(), path_info.size());
+    hmac.Update((UCHARPTR) "\n", 1);
+
+    hmac.Update((UCHARPTR) redirect.data(), redirect.size());
+    hmac.Update((UCHARPTR) "\n", 1);
+
+    hmac.Update((UCHARPTR) max_file_size.data(), max_file_size.size());
+    hmac.Update((UCHARPTR) "\n", 1);
+
+    hmac.Update((UCHARPTR) max_file_count.data(), max_file_count.size());
+    hmac.Update((UCHARPTR) "\n", 1);
+
+    hmac.Update((UCHARPTR) expires.data(), expires.size());
+
+    hmac.Final(dest);
+
+    buf_to_hex((UCHARPTR) dest, sizeof(dest), dest_str);
+
+    return dest_str;
+  }
+
+  const char* get_signature() const {
+    return dest_str;
+  }
+
+  bool is_equal_to(const std::string& rhs) const {
+    /* never allow out-of-range exception */
+    if (rhs.size() < (output_size - 1)) {
+      return false;
+    }
+    return rhs.compare(0 /* pos */,  output_size, dest_str) == 0;
+  }
+
+}; /* RGWFormPost::SignatureHelper */
+
+
+class RGWSwiftWebsiteHandler {
+  rgw::sal::Driver* const driver;
+  req_state* const s;
+  RGWHandler_REST* const handler;
+
+  bool is_web_mode() const;
+  bool can_be_website_req() const;
+  bool is_web_dir() const;
+  bool is_index_present(const std::string& index) const;
+
+  int serve_errordoc(int http_ret, std::string error_doc, optional_yield y);
+
+  RGWOp* get_ws_redirect_op();
+  RGWOp* get_ws_index_op();
+  RGWOp* get_ws_listing_op();
+public:
+  RGWSwiftWebsiteHandler(rgw::sal::Driver* const driver,
+                         req_state* const s,
+                         RGWHandler_REST* const handler)
+    : driver(driver),
+      s(s),
+      handler(handler) {
+  }
+
+  int error_handler(const int err_no,
+                    std::string* const error_content,
+		    optional_yield y);
+  int retarget_bucket(RGWOp* op, RGWOp** new_op);
+  int retarget_object(RGWOp* op, RGWOp** new_op);
+};
+
+
+class RGWHandler_REST_SWIFT : public RGWHandler_REST {
+  friend class RGWRESTMgr_SWIFT;
+  friend class RGWRESTMgr_SWIFT_Info;
+protected:
+  const rgw::auth::Strategy& auth_strategy;
+
+  virtual bool is_acl_op() const {
+    return false;
+  }
+
+  static int init_from_header(rgw::sal::Driver* driver, req_state* s,
+                              const std::string& frontend_prefix);
+public:
+  explicit RGWHandler_REST_SWIFT(const rgw::auth::Strategy& auth_strategy)
+    : auth_strategy(auth_strategy) {
+  }
+  ~RGWHandler_REST_SWIFT() override = default;
+
+  int validate_bucket_name(const std::string& bucket);
+
+  int init(rgw::sal::Driver* driver, req_state *s, rgw::io::BasicClient *cio) override;
+  int authorize(const DoutPrefixProvider *dpp, optional_yield y) override;
+  int postauth_init(optional_yield y) override;
+
+  RGWAccessControlPolicy *alloc_policy() { return nullptr; /* return new RGWAccessControlPolicy_SWIFT; */ }
+  void free_policy(RGWAccessControlPolicy *policy) { delete policy; }
+};
+
+class RGWHandler_REST_Service_SWIFT : public RGWHandler_REST_SWIFT {
+protected:
+  RGWOp *op_get() override;
+  RGWOp *op_head() override;
+  RGWOp *op_put() override;
+  RGWOp *op_post() override;
+  RGWOp *op_delete() override;
+public:
+  using RGWHandler_REST_SWIFT::RGWHandler_REST_SWIFT;
+  ~RGWHandler_REST_Service_SWIFT() override = default;
+};
+
+class RGWHandler_REST_Bucket_SWIFT : public RGWHandler_REST_SWIFT {
+  /* We need the boost::optional here only because of handler's late
+   * initialization (see the init() method). */
+  boost::optional<RGWSwiftWebsiteHandler> website_handler;
+protected:
+  bool is_obj_update_op() const override {
+    return s->op == OP_POST;
+  }
+
+  RGWOp *get_obj_op(bool get_data);
+  RGWOp *op_get() override;
+  RGWOp *op_head() override;
+  RGWOp *op_put() override;
+  RGWOp *op_delete() override;
+  RGWOp *op_post() override;
+  RGWOp *op_options() override;
+public:
+  using RGWHandler_REST_SWIFT::RGWHandler_REST_SWIFT;
+  ~RGWHandler_REST_Bucket_SWIFT() override = default;
+
+  int error_handler(int err_no, std::string *error_content, optional_yield y) override {
+    return website_handler->error_handler(err_no, error_content, y);
+  }
+
+  int retarget(RGWOp* op, RGWOp** new_op, optional_yield) override {
+    return website_handler->retarget_bucket(op, new_op);
+  }
+
+  int init(rgw::sal::Driver* const driver,
+           req_state* const s,
+           rgw::io::BasicClient* const cio) override {
+    website_handler = boost::in_place<RGWSwiftWebsiteHandler>(driver, s, this);
+    return RGWHandler_REST_SWIFT::init(driver, s, cio);
+  }
+};
+
+class RGWHandler_REST_Obj_SWIFT : public RGWHandler_REST_SWIFT {
+  /* We need the boost::optional here only because of handler's late
+   * initialization (see the init() method). */
+  boost::optional<RGWSwiftWebsiteHandler> website_handler;
+protected:
+  bool is_obj_update_op() const override {
+    return s->op == OP_POST;
+  }
+
+  RGWOp *get_obj_op(bool get_data);
+  RGWOp *op_get() override;
+  RGWOp *op_head() override;
+  RGWOp *op_put() override;
+  RGWOp *op_delete() override;
+  RGWOp *op_post() override;
+  RGWOp *op_copy() override;
+  RGWOp *op_options() override;
+
+public:
+  using RGWHandler_REST_SWIFT::RGWHandler_REST_SWIFT;
+  ~RGWHandler_REST_Obj_SWIFT() override = default;
+
+  int error_handler(int err_no, std::string *error_content,
+		    optional_yield y) override {
+    return website_handler->error_handler(err_no, error_content, y);
+  }
+
+  int retarget(RGWOp* op, RGWOp** new_op, optional_yield) override {
+    return website_handler->retarget_object(op, new_op);
+  }
+
+  int init(rgw::sal::Driver* const driver,
+           req_state* const s,
+           rgw::io::BasicClient* const cio) override {
+    website_handler = boost::in_place<RGWSwiftWebsiteHandler>(driver, s, this);
+    return RGWHandler_REST_SWIFT::init(driver, s, cio);
+  }
+};
+
+class RGWRESTMgr_SWIFT : public RGWRESTMgr {
+protected:
+  RGWRESTMgr* get_resource_mgr_as_default(req_state* const s,
+                                          const std::string& uri,
+                                          std::string* const out_uri) override {
+    return this->get_resource_mgr(s, uri, out_uri);
+  }
+
+public:
+  RGWRESTMgr_SWIFT() = default;
+  ~RGWRESTMgr_SWIFT() override = default;
+
+  RGWHandler_REST *get_handler(rgw::sal::Driver* driver,
+			       req_state *s,
+                               const rgw::auth::StrategyRegistry& auth_registry,
+                               const std::string& frontend_prefix) override;
+};
+
+
+class  RGWGetCrossDomainPolicy_ObjStore_SWIFT
+  : public RGWGetCrossDomainPolicy_ObjStore {
+public:
+  RGWGetCrossDomainPolicy_ObjStore_SWIFT() = default;
+  ~RGWGetCrossDomainPolicy_ObjStore_SWIFT() override = default;
+
+  void send_response() override;
+};
+
+class  RGWGetHealthCheck_ObjStore_SWIFT
+  : public RGWGetHealthCheck_ObjStore {
+public:
+  RGWGetHealthCheck_ObjStore_SWIFT() = default;
+  ~RGWGetHealthCheck_ObjStore_SWIFT() override = default;
+
+  void send_response() override;
+};
+
+class RGWHandler_SWIFT_CrossDomain : public RGWHandler_REST {
+public:
+  RGWHandler_SWIFT_CrossDomain() = default;
+  ~RGWHandler_SWIFT_CrossDomain() override = default;
+
+  RGWOp *op_get() override {
+    return new RGWGetCrossDomainPolicy_ObjStore_SWIFT();
+  }
+
+  int init(rgw::sal::Driver* const driver,
+           req_state* const state,
+           rgw::io::BasicClient* const cio) override {
+    state->dialect = "swift";
+    state->formatter = new JSONFormatter;
+    state->format = RGWFormat::JSON;
+
+    return RGWHandler::init(driver, state, cio);
+  }
+
+  int authorize(const DoutPrefixProvider *dpp, optional_yield) override {
+    return 0;
+  }
+
+  int postauth_init(optional_yield) override {
+    return 0;
+  }
+
+  int read_permissions(RGWOp *, optional_yield y) override {
+    return 0;
+  }
+
+  virtual RGWAccessControlPolicy *alloc_policy() { return nullptr; }
+  virtual void free_policy(RGWAccessControlPolicy *policy) {}
+};
+
+class RGWRESTMgr_SWIFT_CrossDomain : public RGWRESTMgr {
+protected:
+  RGWRESTMgr *get_resource_mgr(req_state* const s,
+                               const std::string& uri,
+                               std::string* const out_uri) override {
+    return this;
+  }
+
+public:
+  RGWRESTMgr_SWIFT_CrossDomain() = default;
+  ~RGWRESTMgr_SWIFT_CrossDomain() override = default;
+
+  RGWHandler_REST* get_handler(rgw::sal::Driver* driver,
+			       req_state* const s,
+                               const rgw::auth::StrategyRegistry&,
+                               const std::string&) override {
+    s->prot_flags |= RGW_REST_SWIFT;
+    return new RGWHandler_SWIFT_CrossDomain;
+  }
+};
+
+
+class RGWHandler_SWIFT_HealthCheck : public RGWHandler_REST {
+public:
+  RGWHandler_SWIFT_HealthCheck() = default;
+  ~RGWHandler_SWIFT_HealthCheck() override = default;
+
+  RGWOp *op_get() override {
+    return new RGWGetHealthCheck_ObjStore_SWIFT();
+  }
+
+  int init(rgw::sal::Driver* const driver,
+           req_state* const state,
+           rgw::io::BasicClient* const cio) override {
+    state->dialect = "swift";
+    state->formatter = new JSONFormatter;
+    state->format = RGWFormat::JSON;
+
+    return RGWHandler::init(driver, state, cio);
+  }
+
+  int authorize(const DoutPrefixProvider *dpp, optional_yield y) override {
+    return 0;
+  }
+
+  int postauth_init(optional_yield) override {
+    return 0;
+  }
+
+  int read_permissions(RGWOp *, optional_yield y) override {
+    return 0;
+  }
+
+  virtual RGWAccessControlPolicy *alloc_policy() { return nullptr; }
+  virtual void free_policy(RGWAccessControlPolicy *policy) {}
+};
+
+class RGWRESTMgr_SWIFT_HealthCheck : public RGWRESTMgr {
+protected:
+  RGWRESTMgr *get_resource_mgr(req_state* const s,
+                               const std::string& uri,
+                               std::string* const out_uri) override {
+    return this;
+  }
+
+public:
+  RGWRESTMgr_SWIFT_HealthCheck() = default;
+  ~RGWRESTMgr_SWIFT_HealthCheck() override = default;
+
+  RGWHandler_REST* get_handler(rgw::sal::Driver* driver,
+			       req_state* const s,
+                               const rgw::auth::StrategyRegistry&,
+                               const std::string&) override {
+    s->prot_flags |= RGW_REST_SWIFT;
+    return new RGWHandler_SWIFT_HealthCheck;
+  }
+};
+
+
+class RGWHandler_REST_SWIFT_Info : public RGWHandler_REST_SWIFT {
+public:
+  using RGWHandler_REST_SWIFT::RGWHandler_REST_SWIFT;
+  ~RGWHandler_REST_SWIFT_Info() override = default;
+
+  RGWOp *op_get() override {
+    return new RGWInfo_ObjStore_SWIFT();
+  }
+
+  int init(rgw::sal::Driver* const driver,
+           req_state* const state,
+           rgw::io::BasicClient* const cio) override {
+    state->dialect = "swift";
+    state->formatter = new JSONFormatter;
+    state->format = RGWFormat::JSON;
+
+    return RGWHandler::init(driver, state, cio);
+  }
+
+  int authorize(const DoutPrefixProvider *dpp, optional_yield) override {
+    return 0;
+  }
+
+  int postauth_init(optional_yield) override {
+    return 0;
+  }
+
+  int read_permissions(RGWOp *, optional_yield y) override {
+    return 0;
+  }
+};
+
+class RGWRESTMgr_SWIFT_Info : public RGWRESTMgr {
+public:
+  RGWRESTMgr_SWIFT_Info() = default;
+  ~RGWRESTMgr_SWIFT_Info() override = default;
+
+  RGWHandler_REST *get_handler(rgw::sal::Driver* driver,
+			       req_state* s,
+                               const rgw::auth::StrategyRegistry& auth_registry,
+                               const std::string& frontend_prefix) override;
+};