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 protected:
  21   int retarget(RGWOp *op, RGWOp **new_op) override;
  22   // TODO: this should be virtual I think, and ensure that it's always
  23   // overridden, but that conflates that op_get/op_head are defined in this
  24   // class and call this; and don't need to be overridden later.
  25   virtual RGWOp *get_obj_op(bool get_data) { return NULL; }
  26   RGWOp *op_get() override;
  27   RGWOp *op_head() override;
  28   // Only allowed to use GET+HEAD
  29   RGWOp *op_put() override { return NULL; }
  30   RGWOp *op_delete() override { return NULL; }
  31   RGWOp *op_post() override { return NULL; }
  32   RGWOp *op_copy() override { return NULL; }
  33   RGWOp *op_options() override { return NULL; }
  34
  35   int serve_errordoc(int http_ret, const string &errordoc_key);
  36 public:
  37   using RGWHandler_REST_S3::RGWHandler_REST_S3;
  38   ~RGWHandler_REST_S3Website() override = default;
  39   int error_handler(int err_no, string *error_content) override;
  40 };
  41
  42 class RGWHandler_REST_Service_S3Website : public RGWHandler_REST_S3Website {
  43 protected:
  44   RGWOp *get_obj_op(bool get_data) override;
  45 public:
  46   using RGWHandler_REST_S3Website::RGWHandler_REST_S3Website;
  47   ~RGWHandler_REST_Service_S3Website() override = default;
  48 };
  49
  50 class RGWHandler_REST_Obj_S3Website : public RGWHandler_REST_S3Website {
  51 protected:
  52   RGWOp *get_obj_op(bool get_data) override;
  53 public:
  54   using RGWHandler_REST_S3Website::RGWHandler_REST_S3Website;
  55   ~RGWHandler_REST_Obj_S3Website() override = default;
  56 };
  57
  58 /* The cross-inheritance from Obj to Bucket is deliberate!
  59  * S3Websites do NOT support any bucket operations
  60  */
  61 class RGWHandler_REST_Bucket_S3Website : public RGWHandler_REST_S3Website {
  62 protected:
  63   RGWOp *get_obj_op(bool get_data) override;
  64 public:
  65   using RGWHandler_REST_S3Website::RGWHandler_REST_S3Website;
  66   ~RGWHandler_REST_Bucket_S3Website() override = default;
  67 };
  68
  69 // TODO: do we actually need this?
  70 class  RGWGetObj_ObjStore_S3Website : public RGWGetObj_ObjStore_S3
  71 {
  72   friend class RGWHandler_REST_S3Website;
  73 private:
  74    bool is_errordoc_request;
  75 public:
  76   RGWGetObj_ObjStore_S3Website() : is_errordoc_request(false) {}
  77   explicit RGWGetObj_ObjStore_S3Website(bool is_errordoc_request) : is_errordoc_request(false) { this->is_errordoc_request = is_errordoc_request; }
  78   ~RGWGetObj_ObjStore_S3Website() override {}
  79   int send_response_data_error() override;
  80   int send_response_data(bufferlist& bl, off_t ofs, off_t len) override;
  81   // We override RGWGetObj_ObjStore::get_params here, to allow ignoring all
  82   // conditional params for error pages.
  83   int get_params() override {
  84       if (is_errordoc_request) {
  85         range_str = NULL;
  86         if_mod = NULL;
  87         if_unmod = NULL;
  88         if_match = NULL;
  89         if_nomatch = NULL;
  90         return 0;
  91       } else {
  92         return RGWGetObj_ObjStore_S3::get_params();
  93       }
  94   }
  95 };
  96
  97 #endif