AAControlsExtension::_fromDER() - Code Metrics - sop/x509 - Measure and Improve Code Quality continuously with Scrutinizer

AAControlsExtension::_fromDER() A
last analyzed 2021-01-01 15:03 UTC

↳ Parent: AAControlsExtension

Complexity

Conditions	5
Paths	16

Size

Total Lines	33
Code Lines	27

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	26
CRAP Score	5

Importance

Changes

Metric	Value
eloc	27
dl	0
loc	33
ccs	26
cts	26
cp	1
rs	9.1768
c	0
b	0
f	0
cc	5
nc	16
nop	2
crap	5

<?php

declare(strict_types = 1);

namespace Sop\X509\Certificate\Extension;

use Sop\ASN1\Element;
use Sop\ASN1\Type\Constructed\Sequence;
use Sop\ASN1\Type\Primitive\Boolean;
use Sop\ASN1\Type\Primitive\Integer;
use Sop\ASN1\Type\Primitive\ObjectIdentifier;
use Sop\ASN1\Type\Tagged\ImplicitlyTaggedType;
use Sop\ASN1\Type\UnspecifiedType;

/**
 * Implements 'AA Controls' certificate extension.
 *
 * @see https://tools.ietf.org/html/rfc5755#section-7.4
 */
class AAControlsExtension extends Extension
{
    /**
     * Path length contraint.
     *
     * @var null|int
     */
    protected $_pathLenConstraint;

    /**
     * Permitted attributes.
     *
     * Array of OID's.
     *
     * @var null|string[]
     */
    protected $_permittedAttrs;

    /**
     * Excluded attributes.
     *
     * Array of OID's.
     *
     * @var null|string[]
     */
    protected $_excludedAttrs;

    /**
     * Whether to permit unspecified attributes.
     *
     * @var bool
     */
    protected $_permitUnSpecified;

    /**
     * Constructor.
     *
     * @param bool          $critical
     * @param null|int      $path_len
     * @param null|string[] $permitted
     * @param null|string[] $excluded
     * @param bool          $permit_unspecified
     */
    public function __construct(bool $critical, ?int $path_len = null,
        ?array $permitted = null, ?array $excluded = null, bool $permit_unspecified = true)
    {
        parent::__construct(self::OID_AA_CONTROLS, $critical);
        $this->_pathLenConstraint = $path_len;
        $this->_permittedAttrs = $permitted;
        $this->_excludedAttrs = $excluded;
        $this->_permitUnSpecified = $permit_unspecified;
    }

    /**
     * Check whether path length constraint is present.
     *
     * @return bool
     */
    public function hasPathLen(): bool
    {
        return isset($this->_pathLenConstraint);
    }

    /**
     * Get path length constraint.
     *
     * @throws \LogicException If not set
     *
     * @return int
     */
    public function pathLen(): int
    {
        if (!$this->hasPathLen()) {
            throw new \LogicException('pathLen not set.');
        }
        return $this->_pathLenConstraint;
    }

    /**
     * Check whether permitted attributes are present.
     *
     * @return bool
     */
    public function hasPermittedAttrs(): bool
    {
        return isset($this->_permittedAttrs);
    }

    /**
     * Get OID's of permitted attributes.
     *
     * @throws \LogicException If not set
     *
     * @return string[]
     */
    public function permittedAttrs(): array
    {
        if (!$this->hasPermittedAttrs()) {
            throw new \LogicException('permittedAttrs not set.');
        }
        return $this->_permittedAttrs;
    }

    /**
     * Check whether excluded attributes are present.
     *
     * @return bool
     */
    public function hasExcludedAttrs(): bool
    {
        return isset($this->_excludedAttrs);
    }

    /**
     * Get OID's of excluded attributes.
     *
     * @throws \LogicException If not set
     *
     * @return string[]
     */
    public function excludedAttrs(): array
    {
        if (!$this->hasExcludedAttrs()) {
            throw new \LogicException('excludedAttrs not set.');
        }
        return $this->_excludedAttrs;
    }

    /**
     * Whether to permit attributes that are not explicitly specified in
     * neither permitted nor excluded list.
     *
     * @return bool
     */
    public function permitUnspecified(): bool
    {
        return $this->_permitUnSpecified;
    }

    /**
     * {@inheritdoc}
     */
    protected static function _fromDER(string $data, bool $critical): Extension
    {
        $seq = UnspecifiedType::fromDER($data)->asSequence();
        $path_len = null;
        $permitted = null;
        $excluded = null;
        $permit_unspecified = true;
        $idx = 0;
        if ($seq->has($idx, Element::TYPE_INTEGER)) {
            $path_len = $seq->at($idx++)->asInteger()->intNumber();
        }
        if ($seq->hasTagged(0)) {
            $attr_seq = $seq->getTagged(0)->asImplicit(Element::TYPE_SEQUENCE)
                ->asSequence();
            $permitted = array_map(
                function (UnspecifiedType $el) {
                    return $el->asObjectIdentifier()->oid();
                }, $attr_seq->elements());
            ++$idx;
        }
        if ($seq->hasTagged(1)) {
            $attr_seq = $seq->getTagged(1)->asImplicit(Element::TYPE_SEQUENCE)
                ->asSequence();
            $excluded = array_map(
                function (UnspecifiedType $el) {
                    return $el->asObjectIdentifier()->oid();
                }, $attr_seq->elements());
            ++$idx;
        }
        if ($seq->has($idx, Element::TYPE_BOOLEAN)) {
            $permit_unspecified = $seq->at($idx++)->asBoolean()->value();
        }
        return new self($critical, $path_len, $permitted, $excluded, $permit_unspecified);
    }

    /**
     * {@inheritdoc}
     */
    protected function _valueASN1(): Element
    {
        $elements = [];
        if (isset($this->_pathLenConstraint)) {
            $elements[] = new Integer($this->_pathLenConstraint);
        }
        if (isset($this->_permittedAttrs)) {
            $oids = array_map(
                function ($oid) {
                    return new ObjectIdentifier($oid);
                }, $this->_permittedAttrs);
            $elements[] = new ImplicitlyTaggedType(0, new Sequence(...$oids));
        }
        if (isset($this->_excludedAttrs)) {
            $oids = array_map(
                function ($oid) {
                    return new ObjectIdentifier($oid);
                }, $this->_excludedAttrs);
            $elements[] = new ImplicitlyTaggedType(1, new Sequence(...$oids));
        }
        if (true !== $this->_permitUnSpecified) {
            $elements[] = new Boolean(false);
        }
        return new Sequence(...$elements);
    }
}


1		<?php
2
3		declare(strict_types = 1);
4
5		namespace Sop\X509\Certificate\Extension;
6
7		use Sop\ASN1\Element;
8		use Sop\ASN1\Type\Constructed\Sequence;
9		use Sop\ASN1\Type\Primitive\Boolean;
10		use Sop\ASN1\Type\Primitive\Integer;
11		use Sop\ASN1\Type\Primitive\ObjectIdentifier;
12		use Sop\ASN1\Type\Tagged\ImplicitlyTaggedType;
13		use Sop\ASN1\Type\UnspecifiedType;
14
15		/**
16		* Implements 'AA Controls' certificate extension.
17		*
18		* @see https://tools.ietf.org/html/rfc5755#section-7.4
19		*/
20		class AAControlsExtension extends Extension
21		{
22		/**
23		* Path length contraint.
24		*
25		* @var null\|int
26		*/
27		protected $_pathLenConstraint;
28
29		/**
30		* Permitted attributes.
31		*
32		* Array of OID's.
33		*
34		* @var null\|string[]
35		*/
36		protected $_permittedAttrs;
37
38		/**
39		* Excluded attributes.
40		*
41		* Array of OID's.
42		*
43		* @var null\|string[]
44		*/
45		protected $_excludedAttrs;
46
47		/**
48		* Whether to permit unspecified attributes.
49		*
50		* @var bool
51		*/
52		protected $_permitUnSpecified;
53
54		/**
55		* Constructor.
56		*
57		* @param bool $critical
58		* @param null\|int $path_len
59		* @param null\|string[] $permitted
60		* @param null\|string[] $excluded
61		* @param bool $permit_unspecified
62		*/
63	4	public function __construct(bool $critical, ?int $path_len = null,
64		?array $permitted = null, ?array $excluded = null, bool $permit_unspecified = true)
65		{
66	4	parent::__construct(self::OID_AA_CONTROLS, $critical);
67	4	$this->_pathLenConstraint = $path_len;
68	4	$this->_permittedAttrs = $permitted;
69	4	$this->_excludedAttrs = $excluded;
70	4	$this->_permitUnSpecified = $permit_unspecified;
71	4	}
72
73		/**
74		* Check whether path length constraint is present.
75		*
76		* @return bool
77		*/
78	2	public function hasPathLen(): bool
79		{
80	2	return isset($this->_pathLenConstraint);
81		}
82
83		/**
84		* Get path length constraint.
85		*
86		* @throws \LogicException If not set
87		*
88		* @return int
89		*/
90	2	public function pathLen(): int
91		{
92	2	if (!$this->hasPathLen()) {
93	1	throw new \LogicException('pathLen not set.');
94		}
95	1	return $this->_pathLenConstraint;
96		}
97
98		/**
99		* Check whether permitted attributes are present.
100		*
101		* @return bool
102		*/
103	2	public function hasPermittedAttrs(): bool
104		{
105	2	return isset($this->_permittedAttrs);
106		}
107
108		/**
109		* Get OID's of permitted attributes.
110		*
111		* @throws \LogicException If not set
112		*
113		* @return string[]
114		*/
115	2	public function permittedAttrs(): array
116		{
117	2	if (!$this->hasPermittedAttrs()) {
118	1	throw new \LogicException('permittedAttrs not set.');
119		}
120	1	return $this->_permittedAttrs;
121		}
122
123		/**
124		* Check whether excluded attributes are present.
125		*
126		* @return bool
127		*/
128	2	public function hasExcludedAttrs(): bool
129		{
130	2	return isset($this->_excludedAttrs);
131		}
132
133		/**
134		* Get OID's of excluded attributes.
135		*
136		* @throws \LogicException If not set
137		*
138		* @return string[]
139		*/
140	2	public function excludedAttrs(): array
141		{
142	2	if (!$this->hasExcludedAttrs()) {
143	1	throw new \LogicException('excludedAttrs not set.');
144		}
145	1	return $this->_excludedAttrs;
146		}
147
148		/**
149		* Whether to permit attributes that are not explicitly specified in
150		* neither permitted nor excluded list.
151		*
152		* @return bool
153		*/
154	1	public function permitUnspecified(): bool
155		{
156	1	return $this->_permitUnSpecified;
157		}
158
159		/**
160		* {@inheritdoc}
161		*/
162	2	protected static function _fromDER(string $data, bool $critical): Extension
163		{
164	2	$seq = UnspecifiedType::fromDER($data)->asSequence();
165	2	$path_len = null;
166	2	$permitted = null;
167	2	$excluded = null;
168	2	$permit_unspecified = true;
169	2	$idx = 0;
170	2	if ($seq->has($idx, Element::TYPE_INTEGER)) {
171	1	$path_len = $seq->at($idx++)->asInteger()->intNumber();
172		}
173	2	if ($seq->hasTagged(0)) {
174	1	$attr_seq = $seq->getTagged(0)->asImplicit(Element::TYPE_SEQUENCE)
175	1	->asSequence();
176	1	$permitted = array_map(
177		function (UnspecifiedType $el) {
178	1	return $el->asObjectIdentifier()->oid();
179	1	}, $attr_seq->elements());
180	1	++$idx;
181		}
182	2	if ($seq->hasTagged(1)) {
183	1	$attr_seq = $seq->getTagged(1)->asImplicit(Element::TYPE_SEQUENCE)
184	1	->asSequence();
185	1	$excluded = array_map(
186		function (UnspecifiedType $el) {
187	1	return $el->asObjectIdentifier()->oid();
188	1	}, $attr_seq->elements());
189	1	++$idx;
190		}
191	2	if ($seq->has($idx, Element::TYPE_BOOLEAN)) {
192	1	$permit_unspecified = $seq->at($idx++)->asBoolean()->value();
193		}
194	2	return new self($critical, $path_len, $permitted, $excluded, $permit_unspecified);
195		}
196
197		/**
198		* {@inheritdoc}
199		*/
200	2	protected function _valueASN1(): Element
201		{
202	2	$elements = [];
203	2	if (isset($this->_pathLenConstraint)) {
204	1	$elements[] = new Integer($this->_pathLenConstraint);
205		}
206	2	if (isset($this->_permittedAttrs)) {
207	1	$oids = array_map(
208		function ($oid) {
209	1	return new ObjectIdentifier($oid);
210	1	}, $this->_permittedAttrs);
211	1	$elements[] = new ImplicitlyTaggedType(0, new Sequence(...$oids));
212		}
213	2	if (isset($this->_excludedAttrs)) {
214	1	$oids = array_map(
215		function ($oid) {
216	1	return new ObjectIdentifier($oid);
217	1	}, $this->_excludedAttrs);
218	1	$elements[] = new ImplicitlyTaggedType(1, new Sequence(...$oids));
219		}
220	2	if (true !== $this->_permitUnSpecified) {
221	1	$elements[] = new Boolean(false);
222		}
223	2	return new Sequence(...$elements);
224		}
225		}
226

sop / x509

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AAControlsExtension::_fromDER() A last analyzed 2021-01-01 15:03 UTC

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AAControlsExtension::_fromDER() A
last analyzed 2021-01-01 15:03 UTC