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 /*
   5  * Ceph - scalable distributed file system
   6  *
   7  * Copyright (C) 2015 Robin H. Johnson <robin.johnson@dreamhost.com>
   8  *
   9  * This is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License version 2.1, as published by the Free Software
  12  * Foundation.  See file COPYING.
  13  *
  14  */
  15
  16 #ifndef CEPH_RGW_REST_S3WEBSITE_H
  17 #define CEPH_RGW_REST_S3WEBSITE_H
  18
  19 #include "rgw_rest_s3.h"
  20
  21 class RGWHandler_REST_S3Website : public RGWHandler_REST_S3 {
  22   std::string original_object_name; // object name before retarget()
  23   bool web_dir() const;
  24 protected:
  25   int retarget(RGWOp *op, RGWOp **new_op) override;
  26   // TODO: this should be virtual I think, and ensure that it's always
  27   // overridden, but that conflates that op_get/op_head are defined in this
  28   // class and call this; and don't need to be overridden later.
  29   virtual RGWOp *get_obj_op(bool get_data) { return NULL; }
  30   RGWOp *op_get() override;
  31   RGWOp *op_head() override;
  32   // Only allowed to use GET+HEAD
  33   RGWOp *op_put() override { return NULL; }
  34   RGWOp *op_delete() override { return NULL; }
  35   RGWOp *op_post() override { return NULL; }
  36   RGWOp *op_copy() override { return NULL; }
  37   RGWOp *op_options() override { return NULL; }
  38
  39   int serve_errordoc(int http_ret, const string &errordoc_key);
  40 public:
  41   using RGWHandler_REST_S3::RGWHandler_REST_S3;
  42   ~RGWHandler_REST_S3Website() override = default;
  43
  44   int init(RGWRados *store, req_state *s, rgw::io::BasicClient* cio) override;
  45   int error_handler(int err_no, string *error_content) override;
  46 };
  47
  48 class RGWHandler_REST_Service_S3Website : public RGWHandler_REST_S3Website {
  49 protected:
  50   RGWOp *get_obj_op(bool get_data) override;
  51 public:
  52   using RGWHandler_REST_S3Website::RGWHandler_REST_S3Website;
  53   ~RGWHandler_REST_Service_S3Website() override = default;
  54 };
  55
  56 class RGWHandler_REST_Obj_S3Website : public RGWHandler_REST_S3Website {
  57 protected:
  58   RGWOp *get_obj_op(bool get_data) override;
  59 public:
  60   using RGWHandler_REST_S3Website::RGWHandler_REST_S3Website;
  61   ~RGWHandler_REST_Obj_S3Website() override = default;
  62 };
  63
  64 /* The cross-inheritance from Obj to Bucket is deliberate!
  65  * S3Websites do NOT support any bucket operations
  66  */
  67 class RGWHandler_REST_Bucket_S3Website : public RGWHandler_REST_S3Website {
  68 protected:
  69   RGWOp *get_obj_op(bool get_data) override;
  70 public:
  71   using RGWHandler_REST_S3Website::RGWHandler_REST_S3Website;
  72   ~RGWHandler_REST_Bucket_S3Website() override = default;
  73 };
  74
  75 // TODO: do we actually need this?
  76 class  RGWGetObj_ObjStore_S3Website : public RGWGetObj_ObjStore_S3
  77 {
  78   friend class RGWHandler_REST_S3Website;
  79 private:
  80    bool is_errordoc_request;
  81 public:
  82   RGWGetObj_ObjStore_S3Website() : is_errordoc_request(false) {}
  83   explicit RGWGetObj_ObjStore_S3Website(bool is_errordoc_request) : is_errordoc_request(false) { this->is_errordoc_request = is_errordoc_request; }
  84   ~RGWGetObj_ObjStore_S3Website() override {}
  85   int send_response_data_error() override;
  86   int send_response_data(bufferlist& bl, off_t ofs, off_t len) override;
  87   // We override RGWGetObj_ObjStore::get_params here, to allow ignoring all
  88   // conditional params for error pages.
  89   int get_params() override {
  90       if (is_errordoc_request) {
  91         range_str = NULL;
  92         if_mod = NULL;
  93         if_unmod = NULL;
  94         if_match = NULL;
  95         if_nomatch = NULL;
  96         return 0;
  97       } else {
  98         return RGWGetObj_ObjStore_S3::get_params();
  99       }
 100   }
 101 };
 102
 103 #endif