1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#ifndef CEPH_RGW_AUTH_KEYSTONE_H
#define CEPH_RGW_AUTH_KEYSTONE_H
#include <utility>
#include <boost/optional.hpp>
#include <boost/utility/string_view.hpp>
#include "rgw_auth.h"
#include "rgw_rest_s3.h"
#include "rgw_common.h"
#include "rgw_keystone.h"
namespace rgw {
namespace auth {
namespace keystone {
/* Dedicated namespace for Keystone-related auth engines. We need it because
* Keystone offers three different authentication mechanisms (token, EC2 and
* regular user/pass). RadosGW actually does support the first two. */
class TokenEngine : public rgw::auth::Engine {
CephContext* const cct;
using acl_strategy_t = rgw::auth::RemoteApplier::acl_strategy_t;
using auth_info_t = rgw::auth::RemoteApplier::AuthInfo;
using result_t = rgw::auth::Engine::result_t;
using token_envelope_t = rgw::keystone::TokenEnvelope;
const rgw::auth::TokenExtractor* const extractor;
const rgw::auth::RemoteApplier::Factory* const apl_factory;
rgw::keystone::Config& config;
rgw::keystone::TokenCache& token_cache;
/* Helper methods. */
bool is_applicable(const std::string& token) const noexcept;
token_envelope_t decode_pki_token(const DoutPrefixProvider* dpp, const std::string& token) const;
boost::optional<token_envelope_t>
get_from_keystone(const DoutPrefixProvider* dpp, const std::string& token) const;
acl_strategy_t get_acl_strategy(const token_envelope_t& token) const;
auth_info_t get_creds_info(const token_envelope_t& token,
const std::vector<std::string>& admin_roles
) const noexcept;
result_t authenticate(const DoutPrefixProvider* dpp,
const std::string& token,
const req_state* s) const;
public:
TokenEngine(CephContext* const cct,
const rgw::auth::TokenExtractor* const extractor,
const rgw::auth::RemoteApplier::Factory* const apl_factory,
rgw::keystone::Config& config,
rgw::keystone::TokenCache& token_cache)
: cct(cct),
extractor(extractor),
apl_factory(apl_factory),
config(config),
token_cache(token_cache) {
}
const char* get_name() const noexcept override {
return "rgw::auth::keystone::TokenEngine";
}
result_t authenticate(const DoutPrefixProvider* dpp, const req_state* const s) const override {
return authenticate(dpp, extractor->get_token(s), s);
}
}; /* class TokenEngine */
class EC2Engine : public rgw::auth::s3::AWSEngine {
using acl_strategy_t = rgw::auth::RemoteApplier::acl_strategy_t;
using auth_info_t = rgw::auth::RemoteApplier::AuthInfo;
using result_t = rgw::auth::Engine::result_t;
using token_envelope_t = rgw::keystone::TokenEnvelope;
const rgw::auth::RemoteApplier::Factory* const apl_factory;
rgw::keystone::Config& config;
rgw::keystone::TokenCache& token_cache;
/* Helper methods. */
acl_strategy_t get_acl_strategy(const token_envelope_t& token) const;
auth_info_t get_creds_info(const token_envelope_t& token,
const std::vector<std::string>& admin_roles
) const noexcept;
std::pair<boost::optional<token_envelope_t>, int>
get_from_keystone(const DoutPrefixProvider* dpp, const boost::string_view& access_key_id,
const std::string& string_to_sign,
const boost::string_view& signature) const;
result_t authenticate(const DoutPrefixProvider* dpp,
const boost::string_view& access_key_id,
const boost::string_view& signature,
const boost::string_view& session_token,
const string_to_sign_t& string_to_sign,
const signature_factory_t&,
const completer_factory_t& completer_factory,
const req_state* s) const override;
public:
EC2Engine(CephContext* const cct,
const rgw::auth::s3::AWSEngine::VersionAbstractor* const ver_abstractor,
const rgw::auth::RemoteApplier::Factory* const apl_factory,
rgw::keystone::Config& config,
/* The token cache is used ONLY for the retrieving admin token.
* Due to the architecture of AWS Auth S3 credentials cannot be
* cached at all. */
rgw::keystone::TokenCache& token_cache)
: AWSEngine(cct, *ver_abstractor),
apl_factory(apl_factory),
config(config),
token_cache(token_cache) {
}
using AWSEngine::authenticate;
const char* get_name() const noexcept override {
return "rgw::auth::keystone::EC2Engine";
}
}; /* class EC2Engine */
}; /* namespace keystone */
}; /* namespace auth */
}; /* namespace rgw */
#endif /* CEPH_RGW_AUTH_KEYSTONE_H */
|
