1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
/** |
4
|
|
|
* Copyright 2018 SURFnet B.V. |
5
|
|
|
* |
6
|
|
|
* Licensed under the Apache License, Version 2.0 (the "License"); |
7
|
|
|
* you may not use this file except in compliance with the License. |
8
|
|
|
* You may obtain a copy of the License at |
9
|
|
|
* |
10
|
|
|
* http://www.apache.org/licenses/LICENSE-2.0 |
11
|
|
|
* |
12
|
|
|
* Unless required by applicable law or agreed to in writing, software |
13
|
|
|
* distributed under the License is distributed on an "AS IS" BASIS, |
14
|
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
15
|
|
|
* See the License for the specific language governing permissions and |
16
|
|
|
* limitations under the License. |
17
|
|
|
*/ |
18
|
|
|
|
19
|
|
|
namespace Surfnet\StepupRa\RaBundle\Security\Authorization\Voter; |
20
|
|
|
|
21
|
|
|
use InvalidArgumentException; |
22
|
|
|
use Surfnet\StepupRa\RaBundle\Security\Authorization\Context\InstitutionContext; |
23
|
|
|
use Surfnet\StepupRa\RaBundle\Service\InstitutionConfigurationOptionsServiceInterface; |
24
|
|
|
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface; |
25
|
|
|
use Symfony\Component\Security\Core\Authorization\Voter\VoterInterface; |
26
|
|
|
use Symfony\Component\Security\Core\Role\Role; |
27
|
|
|
|
28
|
|
|
/** |
29
|
|
|
* Given a InstitutionContext, votes if allowed to perform actions on |
30
|
|
|
* a target institution (the institution of the identity we are performing actions on). |
31
|
|
|
*/ |
32
|
|
|
class AllowedInOtherInstitutionVoter implements VoterInterface |
33
|
|
|
{ |
34
|
|
|
const VIEW_AUDITLOG = 'view_auditlog'; |
35
|
|
|
|
36
|
|
|
private $service; |
37
|
|
|
|
38
|
|
|
public function __construct(InstitutionConfigurationOptionsServiceInterface $service) |
39
|
|
|
{ |
40
|
|
|
$this->service = $service; |
41
|
|
|
} |
42
|
|
|
|
43
|
|
|
/** |
44
|
|
|
* @SuppressWarnings(PHPMD.CyclomaticComplexity) - many simple tests are required to ascertain if the action is |
45
|
|
|
* allowed |
46
|
|
|
* |
47
|
|
|
* @param TokenInterface $token A TokenInterface instance |
48
|
|
|
* @param InstitutionContext $subject The subject to secure |
49
|
|
|
* @param array $attributes An array of attributes associated with the method being invoked |
50
|
|
|
* @return int either ACCESS_GRANTED, ACCESS_ABSTAIN, or ACCESS_DENIED |
51
|
|
|
*/ |
52
|
|
|
public function vote(TokenInterface $token, $subject, array $attributes) |
53
|
|
|
{ |
54
|
|
|
// Check if the class of this object is supported by this voter |
55
|
|
|
if (!$this->supportsClass(get_class($subject))) { |
56
|
|
|
return VoterInterface::ACCESS_ABSTAIN; |
57
|
|
|
} |
58
|
|
|
|
59
|
|
|
// This voter allows one attribute to vote on. |
60
|
|
|
if (count($attributes) > 1) { |
61
|
|
|
throw new InvalidArgumentException('Only one attribute is allowed'); |
62
|
|
|
} |
63
|
|
|
|
64
|
|
|
$attribute = $attributes[0]; |
65
|
|
|
|
66
|
|
|
// Check if the given attribute is covered by this voter |
67
|
|
|
if (!$this->supportsAttribute($attribute)) { |
68
|
|
|
return VoterInterface::ACCESS_ABSTAIN; |
69
|
|
|
} |
70
|
|
|
|
71
|
|
|
$actorRoles = $token->getRoles(); |
72
|
|
|
|
73
|
|
|
// Does the actor have one of the required roles? |
74
|
|
|
if (!$this->authorizedByRole($actorRoles)) { |
75
|
|
|
return VoterInterface::ACCESS_DENIED; |
76
|
|
|
} |
77
|
|
|
|
78
|
|
|
$institutionConfig = $this->service->getInstitutionConfigurationOptionsFor($subject->getActorInstitution()); |
79
|
|
|
|
80
|
|
|
if (!$institutionConfig) { |
81
|
|
|
return VoterInterface::ACCESS_ABSTAIN; |
82
|
|
|
} |
83
|
|
|
|
84
|
|
|
$raInstitutions = $institutionConfig->useRa; |
85
|
|
|
$raaInstitutions = $institutionConfig->useRaa; |
86
|
|
|
|
87
|
|
|
// Now test if any of the roles allow the user to perform the requested task |
88
|
|
|
foreach ($actorRoles as $role) { |
89
|
|
|
switch ($role->getRole()) { |
90
|
|
|
// The SRAA role is always allowed to perform the VIEW_AUDITLOG action |
91
|
|
|
case "ROLE_SRAA": |
92
|
|
|
return VoterInterface::ACCESS_GRANTED; |
93
|
|
|
break; |
|
|
|
|
94
|
|
|
case "ROLE_RA": |
95
|
|
|
// RA roles are allowed if the target institution is in the useRa options. |
96
|
|
|
if (in_array($subject->getTargetInstitution(), $raInstitutions)) { |
97
|
|
|
return VoterInterface::ACCESS_GRANTED; |
98
|
|
|
} |
99
|
|
|
break; |
100
|
|
|
case "ROLE_RAA": |
101
|
|
|
// (S)RAA roles are allowed if either the target institution is in the useRa or useRaa options. |
102
|
|
|
if (in_array($subject->getTargetInstitution(), array_merge($raInstitutions, $raaInstitutions))) { |
103
|
|
|
return VoterInterface::ACCESS_GRANTED; |
104
|
|
|
} |
105
|
|
|
break; |
106
|
|
|
} |
107
|
|
|
} |
108
|
|
|
|
109
|
|
|
return VoterInterface::ACCESS_DENIED; |
110
|
|
|
} |
111
|
|
|
|
112
|
|
|
private function supportsAttribute($attribute) |
113
|
|
|
{ |
114
|
|
|
return in_array($attribute, [self::VIEW_AUDITLOG]); |
115
|
|
|
} |
116
|
|
|
|
117
|
|
|
private function supportsClass($class) |
118
|
|
|
{ |
119
|
|
|
$supportedClass = InstitutionContext::class; |
120
|
|
|
|
121
|
|
|
return $supportedClass === $class; |
122
|
|
|
} |
123
|
|
|
|
124
|
|
View Code Duplication |
private function authorizedByRole(array $roles) |
|
|
|
|
125
|
|
|
{ |
126
|
|
|
// The role requirements to VIEW_AUDITLOG, one of these roles must be met |
127
|
|
|
$allowedRoles = ['ROLE_SRAA', 'ROLE_RAA', 'ROLE_RA']; |
128
|
|
|
|
129
|
|
|
// Convert the Role[] to an array of strings representing the role names. |
130
|
|
|
$roles = array_map( |
131
|
|
|
function (Role $role) { |
132
|
|
|
return $role->getRole(); |
133
|
|
|
}, |
134
|
|
|
$roles |
135
|
|
|
); |
136
|
|
|
|
137
|
|
|
// And test if there is an intersection (is one or more of the token roles also in the allowed roles) |
138
|
|
|
return count(array_intersect($roles, $allowedRoles)) > 0; |
139
|
|
|
} |
140
|
|
|
} |
141
|
|
|
|
The break statement is not necessary if it is preceded for example by a return statement:
If you would like to keep this construct to be consistent with other case statements, you can safely mark this issue as a false-positive.