ceph/src/rgw/rgw_rest_s3website.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph - scalable distributed file system
   5  *
   6  * Copyright (C) 2015 Robin H. Johnson <robin.johnson@dreamhost.com>
   7  *
   8  * This is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License version 2.1, as published by the Free Software
  11  * Foundation.  See file COPYING.
  12  *
  13  */
  14 #ifndef CEPH_RGW_REST_S3WEBSITE_H
  15 #define CEPH_RGW_REST_S3WEBSITE_H
  16
  17 #include "rgw_rest_s3.h"
  18
  19 class RGWHandler_REST_S3Website : public RGWHandler_REST_S3 {
  20   std::string original_object_name; // object name before retarget()
  21   bool web_dir() const;
  22 protected:
  23   int retarget(RGWOp *op, RGWOp **new_op) override;
  24   // TODO: this should be virtual I think, and ensure that it's always
  25   // overridden, but that conflates that op_get/op_head are defined in this
  26   // class and call this; and don't need to be overridden later.
  27   virtual RGWOp *get_obj_op(bool get_data) { return NULL; }
  28   RGWOp *op_get() override;
  29   RGWOp *op_head() override;
  30   // Only allowed to use GET+HEAD
  31   RGWOp *op_put() override { return NULL; }
  32   RGWOp *op_delete() override { return NULL; }
  33   RGWOp *op_post() override { return NULL; }
  34   RGWOp *op_copy() override { return NULL; }
  35   RGWOp *op_options() override { return NULL; }
  36
  37   int serve_errordoc(int http_ret, const string &errordoc_key);
  38 public:
  39   using RGWHandler_REST_S3::RGWHandler_REST_S3;
  40   ~RGWHandler_REST_S3Website() override = default;
  41
  42   int init(RGWRados *store, req_state *s, rgw::io::BasicClient* cio) override;
  43   int error_handler(int err_no, string *error_content) override;
  44 };
  45
  46 class RGWHandler_REST_Service_S3Website : public RGWHandler_REST_S3Website {
  47 protected:
  48   RGWOp *get_obj_op(bool get_data) override;
  49 public:
  50   using RGWHandler_REST_S3Website::RGWHandler_REST_S3Website;
  51   ~RGWHandler_REST_Service_S3Website() override = default;
  52 };
  53
  54 class RGWHandler_REST_Obj_S3Website : public RGWHandler_REST_S3Website {
  55 protected:
  56   RGWOp *get_obj_op(bool get_data) override;
  57 public:
  58   using RGWHandler_REST_S3Website::RGWHandler_REST_S3Website;
  59   ~RGWHandler_REST_Obj_S3Website() override = default;
  60 };
  61
  62 /* The cross-inheritance from Obj to Bucket is deliberate!
  63  * S3Websites do NOT support any bucket operations
  64  */
  65 class RGWHandler_REST_Bucket_S3Website : public RGWHandler_REST_S3Website {
  66 protected:
  67   RGWOp *get_obj_op(bool get_data) override;
  68 public:
  69   using RGWHandler_REST_S3Website::RGWHandler_REST_S3Website;
  70   ~RGWHandler_REST_Bucket_S3Website() override = default;
  71 };
  72
  73 // TODO: do we actually need this?
  74 class  RGWGetObj_ObjStore_S3Website : public RGWGetObj_ObjStore_S3
  75 {
  76   friend class RGWHandler_REST_S3Website;
  77 private:
  78    bool is_errordoc_request;
  79 public:
  80   RGWGetObj_ObjStore_S3Website() : is_errordoc_request(false) {}
  81   explicit RGWGetObj_ObjStore_S3Website(bool is_errordoc_request) : is_errordoc_request(false) { this->is_errordoc_request = is_errordoc_request; }
  82   ~RGWGetObj_ObjStore_S3Website() override {}
  83   int send_response_data_error() override;
  84   int send_response_data(bufferlist& bl, off_t ofs, off_t len) override;
  85   // We override RGWGetObj_ObjStore::get_params here, to allow ignoring all
  86   // conditional params for error pages.
  87   int get_params() override {
  88       if (is_errordoc_request) {
  89         range_str = NULL;
  90         if_mod = NULL;
  91         if_unmod = NULL;
  92         if_match = NULL;
  93         if_nomatch = NULL;
  94         return 0;
  95       } else {
  96         return RGWGetObj_ObjStore_S3::get_params();
  97       }
  98   }
  99 };
 100
 101 #endif