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
|
<?php
declare(strict_types=1);
namespace SimpleSAML\Module\saml\Auth\Process;
use SAML2\Constants;
use SimpleSAML\Error;
/**
* Authentication processing filter to create an attribute from a NameID.
*
* @package SimpleSAMLphp
*/
class NameIDAttribute extends \SimpleSAML\Auth\ProcessingFilter
{
/**
* The attribute we should save the NameID in.
*
* @var string
*/
private $attribute;
/**
* The format of the NameID in the attribute.
*
* @var array
*/
private $format;
/**
* Initialize this filter, parse configuration.
*
* @param array $config Configuration information about this filter.
* @param mixed $reserved For future use.
*/
public function __construct($config, $reserved)
{
parent::__construct($config, $reserved);
assert(is_array($config));
if (isset($config['attribute'])) {
$this->attribute = strval($config['attribute']);
} else {
$this->attribute = 'nameid';
}
if (isset($config['format'])) {
$format = strval($config['format']);
} else {
$format = '%I!%S!%V';
}
$this->format = self::parseFormat($format);
}
/**
* Parse a NameID format string into an array.
*
* @param string $format The format string.
* @return array The format string broken into its individual components.
*
* @throws \SimpleSAML\Error\Exception if the replacement is invalid.
*/
private static function parseFormat(string $format): array
{
$ret = [];
$pos = 0;
while (($next = strpos($format, '%', $pos)) !== false) {
$ret[] = substr($format, $pos, $next - $pos);
$replacement = $format[$next + 1];
switch ($replacement) {
case 'F':
$ret[] = 'Format';
break;
case 'I':
$ret[] = 'NameQualifier';
break;
case 'S':
$ret[] = 'SPNameQualifier';
break;
case 'V':
$ret[] = 'Value';
break;
case '%':
$ret[] = '%';
break;
default:
throw new Error\Exception('NameIDAttribute: Invalid replacement: "%' . $replacement . '"');
}
$pos = $next + 2;
}
$ret[] = substr($format, $pos);
return $ret;
}
/**
* Convert NameID to attribute.
*
* @param array &$state The request state.
* @return void
*/
public function process(&$state)
{
assert(is_array($state));
assert(isset($state['Source']['entityid']));
assert(isset($state['Destination']['entityid']));
if (!isset($state['saml:sp:NameID'])) {
return;
}
$rep = $state['saml:sp:NameID'];
assert(!is_null($rep->getValue()));
if ($rep->getFormat() === null) {
$rep->setFormat(Constants::NAMEID_UNSPECIFIED);
}
if ($rep->getSPNameQualifier() === null) {
$rep->setSPNameQualifier($state['Source']['entityid']);
}
if ($rep->getNameQualifier() === null) {
$rep->setNameQualifier($state['Destination']['entityid']);
}
$value = '';
$isString = true;
foreach ($this->format as $element) {
if ($isString) {
$value .= $element;
} elseif ($element === '%') {
$value .= '%';
} else {
$value .= call_user_func([$rep, 'get' . $element]);
}
$isString = !$isString;
}
$state['Attributes'][$this->attribute] = [$value];
}
}
|
