ceph/src/rgw/rgw_policy_s3.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 #ifndef CEPH_RGW_POLICY_H
   5 #define CEPH_RGW_POLICY_H
   6
   7 #include <limits.h>
   8
   9 #include <map>
  10 #include <list>
  11 #include <string>
  12
  13 #include "include/utime.h"
  14
  15 #include "rgw_string.h"
  16
  17
  18 class RGWPolicyEnv {
  19   std::map<std::string, std::string, ltstr_nocase> vars;
  20
  21 public:
  22   void add_var(const string& name, const string& value);
  23   bool get_var(const string& name, string& val);
  24   bool get_value(const string& s, string& val, std::map<std::string, bool, ltstr_nocase>& checked_vars);
  25   bool match_policy_vars(map<string, bool, ltstr_nocase>& policy_vars, string& err_msg);
  26 };
  27
  28 class RGWPolicyCondition;
  29
  30
  31 class RGWPolicy {
  32   uint64_t expires;
  33   string expiration_str;
  34   std::list<RGWPolicyCondition *> conditions;
  35   std::list<pair<std::string, std::string> > var_checks;
  36   std::map<std::string, bool, ltstr_nocase> checked_vars;
  37
  38 public:
  39   off_t min_length;
  40   off_t max_length;
  41
  42   RGWPolicy() : expires(0), min_length(0), max_length(LLONG_MAX) {}
  43   ~RGWPolicy();
  44
  45   int set_expires(const string& e);
  46
  47   void set_var_checked(const std::string& var) {
  48     checked_vars[var] = true;
  49   }
  50
  51   int add_condition(const std::string& op, const std::string& first, const std::string& second, string& err_msg);
  52   void add_simple_check(const std::string& var, const std::string& value) {
  53     var_checks.push_back(pair<string, string>(var, value));
  54   }
  55
  56   int check(RGWPolicyEnv *env, string& err_msg);
  57   int from_json(bufferlist& bl, string& err_msg);
  58 };
  59 #endif