ceph/src/rgw/rgw_cors_swift.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab ft=cpp
   3
   4 /*
   5  * Ceph - scalable distributed file system
   6  *
   7  * Copyright (C) 2013 eNovance SAS <licensing@enovance.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_CORS_SWIFT3_H
  17 #define CEPH_RGW_CORS_SWIFT3_H
  18
  19 #include <map>
  20 #include <string>
  21 #include <vector>
  22 #include <include/types.h>
  23 #include <include/str_list.h>
  24
  25 #include "rgw_cors.h"
  26
  27 class RGWCORSConfiguration_SWIFT : public RGWCORSConfiguration
  28 {
  29   public:
  30     RGWCORSConfiguration_SWIFT() {}
  31     ~RGWCORSConfiguration_SWIFT() {}
  32     int create_update(const char *allow_origins, const char *allow_headers,
  33                   const char *expose_headers, const char *max_age) {
  34       std::set<std::string> o, h;
  35       std::list<std::string> e;
  36       unsigned long a = CORS_MAX_AGE_INVALID;
  37       uint8_t flags = RGW_CORS_ALL;
  38
  39       int nr_invalid_names = 0;
  40       auto add_host = [&nr_invalid_names, &o] (auto host) {
  41         if (validate_name_string(host) == 0) {
  42           o.emplace(std::string{host});
  43         } else {
  44           nr_invalid_names++;
  45         }
  46       };
  47       for_each_substr(allow_origins, ";,= \t", add_host);
  48       if (o.empty() || nr_invalid_names > 0) {
  49         return -EINVAL;
  50       }
  51
  52       if (allow_headers) {
  53         int nr_invalid_headers = 0;
  54         auto add_header = [&nr_invalid_headers, &h] (auto allow_header) {
  55           if (validate_name_string(allow_header) == 0) {
  56             h.emplace(std::string{allow_header});
  57           } else {
  58             nr_invalid_headers++;
  59           }
  60         };
  61         for_each_substr(allow_headers, ";,= \t", add_header);
  62         if (h.empty() || nr_invalid_headers > 0) {
  63           return -EINVAL;
  64         }
  65       }
  66
  67       if (expose_headers) {
  68         for_each_substr(expose_headers, ";,= \t",
  69             [&e] (auto expose_header) {
  70               e.emplace_back(std::string(expose_header));
  71             });
  72       }
  73       if (max_age) {
  74         char *end = NULL;
  75         a = strtoul(max_age, &end, 10);
  76         if (a == ULONG_MAX)
  77           a = CORS_MAX_AGE_INVALID;
  78       }
  79
  80       RGWCORSRule rule(o, h, e, flags, a);
  81       stack_rule(rule);
  82       return 0;
  83     }
  84 };
  85 #endif /*CEPH_RGW_CORS_SWIFT3_H*/