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 #pragma once
  17
  18 #include <map>
  19 #include <string>
  20 #include <vector>
  21 #include <include/types.h>
  22 #include <include/str_list.h>
  23
  24 #include "rgw_cors.h"
  25
  26 class RGWCORSConfiguration_SWIFT : public RGWCORSConfiguration
  27 {
  28   public:
  29     RGWCORSConfiguration_SWIFT() {}
  30     ~RGWCORSConfiguration_SWIFT() {}
  31     int create_update(const char *allow_origins, const char *allow_headers,
  32                   const char *expose_headers, const char *max_age) {
  33       std::set<std::string> o, h;
  34       std::list<std::string> e;
  35       unsigned long a = CORS_MAX_AGE_INVALID;
  36       uint8_t flags = RGW_CORS_ALL;
  37
  38       int nr_invalid_names = 0;
  39       auto add_host = [&nr_invalid_names, &o] (auto host) {
  40         if (validate_name_string(host) == 0) {
  41           o.emplace(std::string{host});
  42         } else {
  43           nr_invalid_names++;
  44         }
  45       };
  46       for_each_substr(allow_origins, ";,= \t", add_host);
  47       if (o.empty() || nr_invalid_names > 0) {
  48         return -EINVAL;
  49       }
  50
  51       if (allow_headers) {
  52         int nr_invalid_headers = 0;
  53         auto add_header = [&nr_invalid_headers, &h] (auto allow_header) {
  54           if (validate_name_string(allow_header) == 0) {
  55             h.emplace(std::string{allow_header});
  56           } else {
  57             nr_invalid_headers++;
  58           }
  59         };
  60         for_each_substr(allow_headers, ";,= \t", add_header);
  61         if (h.empty() || nr_invalid_headers > 0) {
  62           return -EINVAL;
  63         }
  64       }
  65
  66       if (expose_headers) {
  67         for_each_substr(expose_headers, ";,= \t",
  68             [&e] (auto expose_header) {
  69               e.emplace_back(std::string(expose_header));
  70             });
  71       }
  72       if (max_age) {
  73         char *end = NULL;
  74         a = strtoul(max_age, &end, 10);
  75         if (a == ULONG_MAX)
  76           a = CORS_MAX_AGE_INVALID;
  77       }
  78
  79       RGWCORSRule rule(o, h, e, flags, a);
  80       stack_rule(rule);
  81       return 0;
  82     }
  83 };