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1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | /* | |
4 | * Ceph - scalable distributed file system | |
5 | * | |
6 | * Copyright (C) 2016 Red Hat, Inc | |
7 | * | |
8 | * This is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License version 2.1, as published by the Free Software | |
11 | * Foundation. See file COPYING. | |
12 | * | |
13 | */ | |
14 | ||
15 | #ifndef RGW_TOKEN_H | |
16 | #define RGW_TOKEN_H | |
17 | ||
18 | #include <stdint.h> | |
19 | #include <boost/algorithm/string.hpp> | |
20 | #include <sstream> | |
21 | ||
22 | #include "common/ceph_json.h" | |
23 | #include "common/Formatter.h" | |
24 | #include "rgw/rgw_b64.h" | |
25 | ||
26 | namespace rgw { | |
27 | ||
28 | using std::string; | |
29 | ||
30 | class RGWToken { | |
31 | public: | |
32 | static constexpr auto type_name = "RGW_TOKEN"; | |
33 | ||
34 | enum token_type : uint32_t { | |
35 | TOKEN_NONE, | |
36 | TOKEN_AD, | |
37 | TOKEN_KEYSTONE, | |
38 | TOKEN_LDAP, | |
39 | }; | |
40 | ||
41 | static enum token_type to_type(const string& s) { | |
42 | if (boost::iequals(s, "ad")) | |
43 | return TOKEN_AD; | |
44 | if (boost::iequals(s, "ldap")) | |
45 | return TOKEN_LDAP; | |
46 | if (boost::iequals(s, "keystone")) | |
47 | return TOKEN_KEYSTONE; | |
48 | return TOKEN_NONE; | |
49 | } | |
50 | ||
51 | static const char* from_type(enum token_type type) { | |
52 | switch (type) { | |
53 | case TOKEN_AD: | |
54 | return "ad"; | |
55 | break; | |
56 | case TOKEN_LDAP: | |
57 | return "ldap"; | |
58 | break; | |
59 | case TOKEN_KEYSTONE: | |
60 | return "keystone"; | |
61 | break; | |
62 | default: | |
63 | return "none"; | |
64 | }; | |
65 | } | |
66 | ||
67 | token_type type; | |
68 | string id; | |
69 | string key; | |
70 | ||
71 | virtual uint32_t version() const { return 1; }; | |
72 | ||
73 | bool valid() const{ | |
74 | return ((type != TOKEN_NONE) && | |
75 | (! id.empty()) && | |
76 | (! key.empty())); | |
77 | } | |
78 | ||
79 | RGWToken() | |
80 | : type(TOKEN_NONE) {}; | |
81 | ||
82 | RGWToken(enum token_type _type, const std::string& _id, | |
83 | const std::string& _key) | |
84 | : type(_type), id(_id), key(_key) {}; | |
85 | ||
86 | RGWToken(const string& json) { | |
87 | JSONParser p; | |
88 | p.parse(json.c_str(), json.length()); | |
89 | JSONDecoder::decode_json(RGWToken::type_name, *this, &p); | |
90 | } | |
91 | ||
92 | void encode(bufferlist& bl) const { | |
93 | uint32_t ver = version(); | |
94 | string typestr{from_type(type)}; | |
95 | ENCODE_START(1, 1, bl); | |
96 | ::encode(type_name, bl); | |
97 | ::encode(ver, bl); | |
98 | ::encode(typestr, bl); | |
99 | ::encode(id, bl); | |
100 | ::encode(key, bl); | |
101 | ENCODE_FINISH(bl); | |
102 | } | |
103 | ||
104 | void decode(bufferlist::iterator& bl) { | |
105 | string name; | |
106 | string typestr; | |
107 | uint32_t version; | |
108 | DECODE_START(1, bl); | |
109 | ::decode(name, bl); | |
110 | ::decode(version, bl); | |
111 | ::decode(typestr, bl); | |
112 | type = to_type(typestr); | |
113 | ::decode(id, bl); | |
114 | ::decode(key, bl); | |
115 | DECODE_FINISH(bl); | |
116 | } | |
117 | ||
118 | void dump(Formatter* f) const { | |
119 | ::encode_json("version", uint32_t(version()), f); | |
120 | ::encode_json("type", from_type(type), f); | |
121 | ::encode_json("id", id, f); | |
122 | ::encode_json("key", key, f); | |
123 | } | |
124 | ||
125 | void encode_json(Formatter* f) { | |
126 | RGWToken& token = *this; | |
127 | f->open_object_section(type_name); | |
128 | ::encode_json(type_name, token, f); | |
129 | f->close_section(); | |
130 | } | |
131 | ||
132 | void decode_json(JSONObj* obj) { | |
133 | uint32_t version; | |
134 | string type_name; | |
135 | string typestr; | |
136 | JSONDecoder::decode_json("version", version, obj); | |
137 | JSONDecoder::decode_json("type", typestr, obj); | |
138 | type = to_type(typestr); | |
139 | JSONDecoder::decode_json("id", id, obj); | |
140 | JSONDecoder::decode_json("key", key, obj); | |
141 | } | |
142 | ||
143 | std::string encode_json_base64(Formatter* f) { | |
144 | encode_json(f); | |
145 | std::ostringstream os; | |
146 | f->flush(os); | |
147 | return to_base64(std::move(os.str())); | |
148 | } | |
149 | ||
150 | friend inline ostream& operator<<(ostream& os, const RGWToken& token); | |
151 | ||
152 | virtual ~RGWToken() {}; | |
153 | }; | |
154 | WRITE_CLASS_ENCODER(RGWToken) | |
155 | ||
156 | inline ostream& operator<<(ostream& os, const RGWToken& token) | |
157 | { | |
158 | os << "<<RGWToken" | |
159 | << " type=" << RGWToken::from_type(token.type) | |
160 | << " id=" << token.id | |
161 | << " key=" << token.key | |
162 | << ">>"; | |
163 | return os; | |
164 | } | |
165 | ||
166 | } /* namespace rgw */ | |
167 | ||
168 | #endif /* RGW_TOKEN_H */ |