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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
|
/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#pragma once
#include <memory>
#include <vector>
#include "mongo/base/status.h"
#include "mongo/db/auth/action_set.h"
#include "mongo/db/auth/action_type.h"
#include "mongo/db/auth/authorization_session.h"
#include "mongo/db/auth/authz_session_external_state.h"
#include "mongo/db/auth/privilege.h"
#include "mongo/db/auth/user_name.h"
#include "mongo/db/auth/user_set.h"
#include "mongo/db/namespace_string.h"
namespace mongo {
class Client;
/**
* Contains all the authorization logic for a single client connection. It contains a set of
* the users which have been authenticated, as well as a set of privileges that have been
* granted to those users to perform various actions.
*
* An AuthorizationSession object is present within every mongo::Client object.
*
* Users in the _authenticatedUsers cache may get marked as invalid by the AuthorizationManager,
* for instance if their privileges are changed by a user or role modification command. At the
* beginning of every user-initiated operation startRequest() gets called which updates
* the cached information about any users who have been marked as invalid. This guarantees that
* every operation looks at one consistent view of each user for every auth check required over
* the lifetime of the operation.
*/
class AuthorizationSessionImpl : public AuthorizationSession {
public:
struct InstallMockForTestingOrAuthImpl {
explicit InstallMockForTestingOrAuthImpl() = default;
};
explicit AuthorizationSessionImpl(std::unique_ptr<AuthzSessionExternalState> externalState,
InstallMockForTestingOrAuthImpl);
~AuthorizationSessionImpl() override;
AuthorizationManager& getAuthorizationManager() override;
void startRequest(OperationContext* opCtx) override;
Status addAndAuthorizeUser(OperationContext* opCtx, const UserName& userName) override;
User* lookupUser(const UserName& name) override;
bool shouldIgnoreAuthChecks() override;
bool isAuthenticated() override;
User* getSingleUser() override;
UserNameIterator getAuthenticatedUserNames() override;
RoleNameIterator getAuthenticatedRoleNames() override;
void logoutAllDatabases(Client* client, StringData reason) override;
void logoutDatabase(Client* client, StringData dbname, StringData reason) override;
void grantInternalAuthorization(Client* client) override;
void grantInternalAuthorization(OperationContext* opCtx) override;
PrivilegeVector getDefaultPrivileges() override;
StatusWith<PrivilegeVector> checkAuthorizedToListCollections(StringData dbname,
const BSONObj& cmdObj) override;
bool isUsingLocalhostBypass() override;
bool isAuthorizedToParseNamespaceElement(const BSONElement& elem) override;
bool isAuthorizedToParseNamespaceElement(const NamespaceStringOrUUID& nss) override;
bool isAuthorizedToCreateRole(const RoleName& roleName) override;
bool isAuthorizedToChangeAsUser(const UserName& userName, ActionType actionType) override;
bool isAuthenticatedAsUserWithRole(const RoleName& roleName) override;
bool isAuthorizedForPrivilege(const Privilege& privilege) override;
bool isAuthorizedForPrivileges(const std::vector<Privilege>& privileges) override;
bool isAuthorizedForActionsOnResource(const ResourcePattern& resource,
ActionType action) override;
bool isAuthorizedForActionsOnResource(const ResourcePattern& resource,
const ActionSet& actions) override;
bool isAuthorizedForActionsOnNamespace(const NamespaceString& ns, ActionType action) override;
bool isAuthorizedForActionsOnNamespace(const NamespaceString& ns,
const ActionSet& actions) override;
bool isAuthorizedForAnyActionOnAnyResourceInDB(StringData dbname) override;
bool isAuthorizedForAnyActionOnResource(const ResourcePattern& resource) override;
void setImpersonatedUserData(const std::vector<UserName>& usernames,
const std::vector<RoleName>& roles) override;
UserNameIterator getImpersonatedUserNames() override;
RoleNameIterator getImpersonatedRoleNames() override;
void clearImpersonatedUserData() override;
bool isCoauthorizedWithClient(Client* opClient, WithLock opClientLock) override;
bool isCoauthorizedWith(UserNameIterator userNameIter) override;
bool isImpersonating() const override;
Status checkCursorSessionPrivilege(OperationContext* const opCtx,
boost::optional<LogicalSessionId> cursorSessionId) override;
protected:
// Builds a vector of all roles held by users who are authenticated on this connection. The
// vector is stored in _authenticatedRoleNames. This function is called when users are
// logged in or logged out, as well as when the user cache is determined to be out of date.
void _buildAuthenticatedRolesVector();
// All Users who have been authenticated on this connection.
UserSet _authenticatedUsers;
// The roles of the authenticated users. This vector is generated when the authenticated
// users set is changed.
std::vector<RoleName> _authenticatedRoleNames;
private:
// If any users authenticated on this session are marked as invalid this updates them with
// up-to-date information. May require a read lock on the "admin" db to read the user data.
void _refreshUserInfoAsNeeded(OperationContext* opCtx);
// Checks if this connection is authorized for the given Privilege, ignoring whether or not
// we should even be doing authorization checks in general. Note: this may acquire a read
// lock on the admin database (to update out-of-date user privilege information).
bool _isAuthorizedForPrivilege(const Privilege& privilege);
std::tuple<std::vector<UserName>*, std::vector<RoleName>*> _getImpersonations() override {
return std::make_tuple(&_impersonatedUserNames, &_impersonatedRoleNames);
}
std::unique_ptr<AuthzSessionExternalState> _externalState;
// A vector of impersonated UserNames and a vector of those users' RoleNames.
// These are used in the auditing system. They are not used for authz checks.
std::vector<UserName> _impersonatedUserNames;
std::vector<RoleName> _impersonatedRoleNames;
bool _impersonationFlag;
};
} // namespace mongo
|
