|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* Copyright (C) 2016 SURFnet. |
|
4
|
|
|
* |
|
5
|
|
|
* This program is free software: you can redistribute it and/or modify |
|
6
|
|
|
* it under the terms of the GNU Affero General Public License as |
|
7
|
|
|
* published by the Free Software Foundation, either version 3 of the |
|
8
|
|
|
* License, or (at your option) any later version. |
|
9
|
|
|
* |
|
10
|
|
|
* This program is distributed in the hope that it will be useful, |
|
11
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
12
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
13
|
|
|
* GNU Affero General Public License for more details. |
|
14
|
|
|
* |
|
15
|
|
|
* You should have received a copy of the GNU Affero General Public License |
|
16
|
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>. |
|
17
|
|
|
*/ |
|
18
|
|
|
namespace SURFnet\VPN\Server; |
|
19
|
|
|
|
|
20
|
|
|
use Psr\Log\LoggerInterface; |
|
21
|
|
|
use SURFnet\VPN\Common\HttpClient\ServerClient; |
|
22
|
|
|
use SURFnet\VPN\Server\Exception\InputValidationException; |
|
23
|
|
|
|
|
24
|
|
|
class Connection |
|
25
|
|
|
{ |
|
26
|
|
|
/** @var \Psr\Log\LoggerInterface */ |
|
27
|
|
|
private $logger; |
|
28
|
|
|
|
|
29
|
|
|
/** @var \SURFnet\VPN\Common\HttpClient\ServerClient */ |
|
30
|
|
|
private $serverClient; |
|
31
|
|
|
|
|
32
|
|
|
public function __construct(LoggerInterface $logger, ServerClient $serverClient) |
|
33
|
|
|
{ |
|
34
|
|
|
$this->logger = $logger; |
|
35
|
|
|
$this->serverClient = $serverClient; |
|
36
|
|
|
} |
|
37
|
|
|
|
|
38
|
|
|
public function connect(array $envData) |
|
39
|
|
|
{ |
|
40
|
|
|
try { |
|
41
|
|
|
$poolId = InputValidation::poolId($envData['POOL_ID']); |
|
42
|
|
|
$commonName = InputValidation::commonName($envData['common_name']); |
|
43
|
|
|
$userId = self::getUserId($commonName); |
|
44
|
|
|
|
|
45
|
|
|
// XXX turn the >= 3 calls below into one call |
|
46
|
|
|
|
|
47
|
|
|
// check if user is disabled |
|
48
|
|
|
if (true === $this->serverClient->isDisabledUser($userId)) { |
|
49
|
|
|
$this->logger->error('user is disabled', $envData); |
|
50
|
|
|
|
|
51
|
|
|
return false; |
|
52
|
|
|
} |
|
53
|
|
|
|
|
54
|
|
|
// check if the common_name is disabled |
|
55
|
|
|
if (true === $this->serverClient->isDisabledCommonName($commonName)) { |
|
56
|
|
|
$this->logger->error('common_name is disabled', $envData); |
|
57
|
|
|
|
|
58
|
|
|
return false; |
|
59
|
|
|
} |
|
60
|
|
|
|
|
61
|
|
|
// if the ACL is enabled, verify that the user is allowed to |
|
62
|
|
|
// connect |
|
63
|
|
|
$serverPool = $this->serverClient->serverPool($poolId); |
|
64
|
|
|
if ($serverPool['enableAcl']) { |
|
65
|
|
|
$userGroups = $this->serverClient->userGroups($userId); |
|
66
|
|
|
if (false === self::isMember($userGroups, $serverPool['aclGroupList'])) { |
|
67
|
|
|
$this->logger->error('user is not a member of required group', $envData); |
|
68
|
|
|
|
|
69
|
|
|
return false; |
|
70
|
|
|
} |
|
71
|
|
|
} |
|
72
|
|
|
|
|
73
|
|
|
$this->logger->info(json_encode(array_merge($envData, ['ok' => true]))); |
|
74
|
|
|
|
|
75
|
|
|
return true; |
|
76
|
|
|
} catch (InputValidationException $e) { |
|
77
|
|
|
$this->logger->error($e->getMessage(), $envData); |
|
78
|
|
|
|
|
79
|
|
|
return false; |
|
80
|
|
|
} |
|
81
|
|
|
} |
|
82
|
|
|
|
|
83
|
|
|
public function disconnect(array $envData) |
|
84
|
|
|
{ |
|
85
|
|
|
$this->logger->info(json_encode(array_merge($envData, ['ok' => true]))); |
|
86
|
|
|
|
|
87
|
|
|
return true; |
|
88
|
|
|
} |
|
89
|
|
|
|
|
90
|
|
|
private static function isMember(array $memberOf, array $aclGroupList) |
|
91
|
|
|
{ |
|
92
|
|
|
// one of the groups must be listed in the pool ACL list |
|
93
|
|
|
foreach ($memberOf as $memberGroup) { |
|
94
|
|
|
if (in_array($memberGroup['id'], $aclGroupList)) { |
|
95
|
|
|
return true; |
|
96
|
|
|
} |
|
97
|
|
|
} |
|
98
|
|
|
|
|
99
|
|
|
return false; |
|
100
|
|
|
} |
|
101
|
|
|
|
|
102
|
|
|
private static function getUserId($commonName) |
|
103
|
|
|
{ |
|
104
|
|
|
// XXX share this with "Otp" class and possibly others |
|
105
|
|
|
|
|
106
|
|
|
// return the part before the first underscore, it is already validated |
|
107
|
|
|
// so we can be sure this is fine |
|
108
|
|
|
return substr($commonName, 0, strpos($commonName, '_')); |
|
109
|
|
|
} |
|
110
|
|
|
} |
|
111
|
|
|
|
eduVPN /
vpn-server-api
