sop / x509

lib/X509/Feature/DateTimeHelper.php

Indentation +59 added lines, -59 removed lines

@@ -7,67 +7,67 @@
  */
 trait DateTimeHelper
 {
-    /**
-     * Create DateTime object from time string and timezone.
-     *
-     * @param string|null $time Time string, default to 'now'
-     * @param string|null $tz Timezone, default if omitted
-     * @throws \RuntimeException
-     * @return \DateTimeImmutable
-     */
-    private static function _createDateTime($time = null, $tz = null): \DateTimeImmutable
-    {
-        try {
-            if (!isset($tz)) {
-                $tz = date_default_timezone_get();
-            }
+	/**
+	 * Create DateTime object from time string and timezone.
+	 *
+	 * @param string|null $time Time string, default to 'now'
+	 * @param string|null $tz Timezone, default if omitted
+	 * @throws \RuntimeException
+	 * @return \DateTimeImmutable
+	 */
+	private static function _createDateTime($time = null, $tz = null): \DateTimeImmutable
+	{
+		try {
+			if (!isset($tz)) {
+				$tz = date_default_timezone_get();
+			}
 
-            $dt = new \DateTimeImmutable($time, self::_createTimeZone($tz));
-            return self::_roundDownFractionalSeconds($dt);
-        } catch (\Exception $e) {
-            throw new \RuntimeException(
-                "Failed to create DateTime: " .
-                     self::_getLastDateTimeImmutableErrorsStr(), 0, $e);
-        }
-    }
+			$dt = new \DateTimeImmutable($time, self::_createTimeZone($tz));
+			return self::_roundDownFractionalSeconds($dt);
+		} catch (\Exception $e) {
+			throw new \RuntimeException(
+				"Failed to create DateTime: " .
+					 self::_getLastDateTimeImmutableErrorsStr(), 0, $e);
+		}
+	}
 
-    /**
-     * Rounds a \DateTimeImmutable value such that fractional
-     * seconds are removed.
-     *
-     * @param \DateTimeImmutable $dt
-     * @return \DateTimeImmutable
-     */
-    private static function _roundDownFractionalSeconds(\DateTimeImmutable $dt): \DateTimeImmutable
-    {
-        return \DateTimeImmutable::createFromFormat("Y-m-d H:i:s",
-            $dt->format("Y-m-d H:i:s"), $dt->getTimezone());
-    }
+	/**
+	 * Rounds a \DateTimeImmutable value such that fractional
+	 * seconds are removed.
+	 *
+	 * @param \DateTimeImmutable $dt
+	 * @return \DateTimeImmutable
+	 */
+	private static function _roundDownFractionalSeconds(\DateTimeImmutable $dt): \DateTimeImmutable
+	{
+		return \DateTimeImmutable::createFromFormat("Y-m-d H:i:s",
+			$dt->format("Y-m-d H:i:s"), $dt->getTimezone());
+	}
     
-    /**
-     * Create DateTimeZone object from string.
-     *
-     * @param string $tz
-     * @throws \UnexpectedValueException
-     * @return \DateTimeZone
-     */
-    private static function _createTimeZone($tz)
-    {
-        try {
-            return new \DateTimeZone($tz);
-        } catch (\Exception $e) {
-            throw new \UnexpectedValueException("Invalid timezone.", 0, $e);
-        }
-    }
+	/**
+	 * Create DateTimeZone object from string.
+	 *
+	 * @param string $tz
+	 * @throws \UnexpectedValueException
+	 * @return \DateTimeZone
+	 */
+	private static function _createTimeZone($tz)
+	{
+		try {
+			return new \DateTimeZone($tz);
+		} catch (\Exception $e) {
+			throw new \UnexpectedValueException("Invalid timezone.", 0, $e);
+		}
+	}
     
-    /**
-     * Get last error caused by DateTimeImmutable.
-     *
-     * @return string
-     */
-    private static function _getLastDateTimeImmutableErrorsStr()
-    {
-        $errors = \DateTimeImmutable::getLastErrors()["errors"];
-        return implode(", ", $errors);
-    }
+	/**
+	 * Get last error caused by DateTimeImmutable.
+	 *
+	 * @return string
+	 */
+	private static function _getLastDateTimeImmutableErrorsStr()
+	{
+		$errors = \DateTimeImmutable::getLastErrors()["errors"];
+		return implode(", ", $errors);
+	}
 }

lib/X509/CertificationRequest/Attributes.php

Indentation +96 added lines, -96 removed lines

@@ -20,107 +20,107 @@
  */
 class Attributes implements \Countable, \IteratorAggregate
 {
-    use AttributeContainer;
+	use AttributeContainer;
     
-    /**
-     * Mapping from OID to attribute value class name.
-     *
-     * @internal
-     *
-     * @var array
-     */
-    const MAP_OID_TO_CLASS = array(
-        /* @formatter:off */
-        ExtensionRequestValue::OID => ExtensionRequestValue::class
-        /* @formatter:on */
-    );
+	/**
+	 * Mapping from OID to attribute value class name.
+	 *
+	 * @internal
+	 *
+	 * @var array
+	 */
+	const MAP_OID_TO_CLASS = array(
+		/* @formatter:off */
+		ExtensionRequestValue::OID => ExtensionRequestValue::class
+		/* @formatter:on */
+	);
     
-    /**
-     * Constructor.
-     *
-     * @param Attribute ...$attribs Attribute objects
-     */
-    public function __construct(Attribute ...$attribs)
-    {
-        $this->_attributes = $attribs;
-    }
+	/**
+	 * Constructor.
+	 *
+	 * @param Attribute ...$attribs Attribute objects
+	 */
+	public function __construct(Attribute ...$attribs)
+	{
+		$this->_attributes = $attribs;
+	}
     
-    /**
-     * Initialize from attribute values.
-     *
-     * @param AttributeValue ...$values
-     * @return self
-     */
-    public static function fromAttributeValues(AttributeValue ...$values)
-    {
-        $attribs = array_map(
-            function (AttributeValue $value) {
-                return $value->toAttribute();
-            }, $values);
-        return new self(...$attribs);
-    }
+	/**
+	 * Initialize from attribute values.
+	 *
+	 * @param AttributeValue ...$values
+	 * @return self
+	 */
+	public static function fromAttributeValues(AttributeValue ...$values)
+	{
+		$attribs = array_map(
+			function (AttributeValue $value) {
+				return $value->toAttribute();
+			}, $values);
+		return new self(...$attribs);
+	}
     
-    /**
-     * Initialize from ASN.1.
-     *
-     * @param Set $set
-     * @return self
-     */
-    public static function fromASN1(Set $set)
-    {
-        $attribs = array_map(
-            function (UnspecifiedType $el) {
-                return Attribute::fromASN1($el->asSequence());
-            }, $set->elements());
-        // cast attributes
-        $attribs = array_map(
-            function (Attribute $attr) {
-                $oid = $attr->oid();
-                if (array_key_exists($oid, self::MAP_OID_TO_CLASS)) {
-                    $cls = self::MAP_OID_TO_CLASS[$oid];
-                    return $attr->castValues($cls);
-                }
-                return $attr;
-            }, $attribs);
-        return new self(...$attribs);
-    }
+	/**
+	 * Initialize from ASN.1.
+	 *
+	 * @param Set $set
+	 * @return self
+	 */
+	public static function fromASN1(Set $set)
+	{
+		$attribs = array_map(
+			function (UnspecifiedType $el) {
+				return Attribute::fromASN1($el->asSequence());
+			}, $set->elements());
+		// cast attributes
+		$attribs = array_map(
+			function (Attribute $attr) {
+				$oid = $attr->oid();
+				if (array_key_exists($oid, self::MAP_OID_TO_CLASS)) {
+					$cls = self::MAP_OID_TO_CLASS[$oid];
+					return $attr->castValues($cls);
+				}
+				return $attr;
+			}, $attribs);
+		return new self(...$attribs);
+	}
     
-    /**
-     * Check whether extension request attribute is present.
-     *
-     * @return bool
-     */
-    public function hasExtensionRequest(): bool
-    {
-        return $this->has(ExtensionRequestValue::OID);
-    }
+	/**
+	 * Check whether extension request attribute is present.
+	 *
+	 * @return bool
+	 */
+	public function hasExtensionRequest(): bool
+	{
+		return $this->has(ExtensionRequestValue::OID);
+	}
     
-    /**
-     * Get extension request attribute value.
-     *
-     * @throws \LogicException
-     * @return ExtensionRequestValue
-     */
-    public function extensionRequest(): ExtensionRequestValue
-    {
-        if (!$this->hasExtensionRequest()) {
-            throw new \LogicException("No extension request attribute.");
-        }
-        return $this->firstOf(ExtensionRequestValue::OID)->first();
-    }
+	/**
+	 * Get extension request attribute value.
+	 *
+	 * @throws \LogicException
+	 * @return ExtensionRequestValue
+	 */
+	public function extensionRequest(): ExtensionRequestValue
+	{
+		if (!$this->hasExtensionRequest()) {
+			throw new \LogicException("No extension request attribute.");
+		}
+		return $this->firstOf(ExtensionRequestValue::OID)->first();
+	}
     
-    /**
-     * Generate ASN.1 structure.
-     *
-     * @return Set
-     */
-    public function toASN1(): Set
-    {
-        $elements = array_map(
-            function (Attribute $attr) {
-                return $attr->toASN1();
-            }, array_values($this->_attributes));
-        $set = new Set(...$elements);
-        return $set->sortedSetOf();
-    }
+	/**
+	 * Generate ASN.1 structure.
+	 *
+	 * @return Set
+	 */
+	public function toASN1(): Set
+	{
+		$elements = array_map(
+			function (Attribute $attr) {
+				return $attr->toASN1();
+			}, array_values($this->_attributes));
+		$set = new Set(...$elements);
+		return $set->sortedSetOf();
+	}
 }

Spacing +5 added lines, -5 removed lines

@@ -1,6 +1,6 @@ 
 <?php
 
-declare(strict_types=1);
+declare(strict_types = 1);
 
 namespace X509\CertificationRequest;
 
@@ -54,7 +54,7 @@ 
     public static function fromAttributeValues(AttributeValue ...$values)
     {
         $attribs = array_map(
-            function (AttributeValue $value) {
+            function(AttributeValue $value) {
                 return $value->toAttribute();
             }, $values);
         return new self(...$attribs);
@@ -69,12 +69,12 @@ 
     public static function fromASN1(Set $set)
     {
         $attribs = array_map(
-            function (UnspecifiedType $el) {
+            function(UnspecifiedType $el) {
                 return Attribute::fromASN1($el->asSequence());
             }, $set->elements());
         // cast attributes
         $attribs = array_map(
-            function (Attribute $attr) {
+            function(Attribute $attr) {
                 $oid = $attr->oid();
                 if (array_key_exists($oid, self::MAP_OID_TO_CLASS)) {
                     $cls = self::MAP_OID_TO_CLASS[$oid];
@@ -117,7 +117,7 @@ 
     public function toASN1(): Set
     {
         $elements = array_map(
-            function (Attribute $attr) {
+            function(Attribute $attr) {
                 return $attr->toASN1();
             }, array_values($this->_attributes));
         $set = new Set(...$elements);

lib/X509/CertificationRequest/Attribute/ExtensionRequestValue.php

Indentation +81 added lines, -81 removed lines

@@ -16,94 +16,94 @@
  */
 class ExtensionRequestValue extends AttributeValue
 {
-    const OID = "1.2.840.113549.1.9.14";
+	const OID = "1.2.840.113549.1.9.14";
     
-    /**
-     * Extensions.
-     *
-     * @var Extensions $_extensions
-     */
-    protected $_extensions;
+	/**
+	 * Extensions.
+	 *
+	 * @var Extensions $_extensions
+	 */
+	protected $_extensions;
     
-    /**
-     * Constructor.
-     *
-     * @param Extensions $extensions
-     */
-    public function __construct(Extensions $extensions)
-    {
-        $this->_extensions = $extensions;
-        $this->_oid = self::OID;
-    }
+	/**
+	 * Constructor.
+	 *
+	 * @param Extensions $extensions
+	 */
+	public function __construct(Extensions $extensions)
+	{
+		$this->_extensions = $extensions;
+		$this->_oid = self::OID;
+	}
     
-    /**
-     *
-     * @see \X501\ASN1\AttributeValue\AttributeValue::fromASN1()
-     * @param UnspecifiedType $el
-     * @return self
-     */
-    public static function fromASN1(UnspecifiedType $el)
-    {
-        return new self(Extensions::fromASN1($el->asSequence()));
-    }
+	/**
+	 *
+	 * @see \X501\ASN1\AttributeValue\AttributeValue::fromASN1()
+	 * @param UnspecifiedType $el
+	 * @return self
+	 */
+	public static function fromASN1(UnspecifiedType $el)
+	{
+		return new self(Extensions::fromASN1($el->asSequence()));
+	}
     
-    /**
-     * Get requested extensions.
-     *
-     * @return Extensions
-     */
-    public function extensions(): Extensions
-    {
-        return $this->_extensions;
-    }
+	/**
+	 * Get requested extensions.
+	 *
+	 * @return Extensions
+	 */
+	public function extensions(): Extensions
+	{
+		return $this->_extensions;
+	}
     
-    /**
-     *
-     * @see \X501\ASN1\AttributeValue\AttributeValue::toASN1()
-     * @return \ASN1\Type\Constructed\Sequence
-     */
-    public function toASN1(): \ASN1\Type\Constructed\Sequence
-    {
-        return $this->_extensions->toASN1();
-    }
+	/**
+	 *
+	 * @see \X501\ASN1\AttributeValue\AttributeValue::toASN1()
+	 * @return \ASN1\Type\Constructed\Sequence
+	 */
+	public function toASN1(): \ASN1\Type\Constructed\Sequence
+	{
+		return $this->_extensions->toASN1();
+	}
     
-    /**
-     *
-     * @see \X501\ASN1\AttributeValue\AttributeValue::stringValue()
-     * @return string
-     */
-    public function stringValue(): string
-    {
-        return "#" . bin2hex($this->toASN1()->toDER());
-    }
+	/**
+	 *
+	 * @see \X501\ASN1\AttributeValue\AttributeValue::stringValue()
+	 * @return string
+	 */
+	public function stringValue(): string
+	{
+		return "#" . bin2hex($this->toASN1()->toDER());
+	}
     
-    /**
-     *
-     * @see \X501\ASN1\AttributeValue\AttributeValue::equalityMatchingRule()
-     * @return BinaryMatch
-     */
-    public function equalityMatchingRule(): BinaryMatch
-    {
-        return new BinaryMatch();
-    }
+	/**
+	 *
+	 * @see \X501\ASN1\AttributeValue\AttributeValue::equalityMatchingRule()
+	 * @return BinaryMatch
+	 */
+	public function equalityMatchingRule(): BinaryMatch
+	{
+		return new BinaryMatch();
+	}
     
-    /**
-     *
-     * @see \X501\ASN1\AttributeValue\AttributeValue::rfc2253String()
-     * @return string
-     */
-    public function rfc2253String(): string
-    {
-        return $this->stringValue();
-    }
+	/**
+	 *
+	 * @see \X501\ASN1\AttributeValue\AttributeValue::rfc2253String()
+	 * @return string
+	 */
+	public function rfc2253String(): string
+	{
+		return $this->stringValue();
+	}
     
-    /**
-     *
-     * @see \X501\ASN1\AttributeValue\AttributeValue::_transcodedString()
-     * @return string
-     */
-    protected function _transcodedString(): string
-    {
-        return $this->stringValue();
-    }
+	/**
+	 *
+	 * @see \X501\ASN1\AttributeValue\AttributeValue::_transcodedString()
+	 * @return string
+	 */
+	protected function _transcodedString(): string
+	{
+		return $this->stringValue();
+	}
 }

Spacing +1 added lines, -1 removed lines

@@ -1,6 +1,6 @@
 <?php
 
-declare(strict_types=1);
+declare(strict_types = 1);
 
 namespace X509\CertificationRequest\Attribute;
 

lib/X509/CertificationRequest/CertificationRequest.php

Spacing +1 added lines, -1 removed lines

@@ -1,6 +1,6 @@
 <?php
 
-declare(strict_types=1);
+declare(strict_types = 1);
 
 namespace X509\CertificationRequest;
 

lib/X509/CertificationRequest/CertificationRequestInfo.php

Indentation +200 added lines, -200 removed lines

@@ -22,204 +22,204 @@
  */
 class CertificationRequestInfo
 {
-    const VERSION_1 = 0;
-    
-    /**
-     * Version.
-     *
-     * @var int
-     */
-    protected $_version;
-    
-    /**
-     * Subject.
-     *
-     * @var Name $_subject
-     */
-    protected $_subject;
-    
-    /**
-     * Public key info.
-     *
-     * @var PublicKeyInfo $_subjectPKInfo
-     */
-    protected $_subjectPKInfo;
-    
-    /**
-     * Attributes.
-     *
-     * @var Attributes|null $_attributes
-     */
-    protected $_attributes;
-    
-    /**
-     * Constructor.
-     *
-     * @param Name $subject Subject
-     * @param PublicKeyInfo $pkinfo Public key info
-     */
-    public function __construct(Name $subject, PublicKeyInfo $pkinfo)
-    {
-        $this->_version = self::VERSION_1;
-        $this->_subject = $subject;
-        $this->_subjectPKInfo = $pkinfo;
-    }
-    
-    /**
-     * Initialize from ASN.1.
-     *
-     * @param Sequence $seq
-     * @throws \UnexpectedValueException
-     * @return self
-     */
-    public static function fromASN1(Sequence $seq)
-    {
-        $version = $seq->at(0)
-            ->asInteger()
-            ->number();
-        if ($version != self::VERSION_1) {
-            throw new \UnexpectedValueException(
-                "Version $version not supported.");
-        }
-        $subject = Name::fromASN1($seq->at(1)->asSequence());
-        $pkinfo = PublicKeyInfo::fromASN1($seq->at(2)->asSequence());
-        $obj = new self($subject, $pkinfo);
-        if ($seq->hasTagged(0)) {
-            $obj->_attributes = Attributes::fromASN1(
-                $seq->getTagged(0)
-                    ->asImplicit(Element::TYPE_SET)
-                    ->asSet());
-        }
-        return $obj;
-    }
-    
-    /**
-     * Get version.
-     *
-     * @return int
-     */
-    public function version(): int
-    {
-        return $this->_version;
-    }
-    
-    /**
-     * Get self with subject.
-     *
-     * @param Name $subject
-     * @return self
-     */
-    public function withSubject(Name $subject)
-    {
-        $obj = clone $this;
-        $obj->_subject = $subject;
-        return $obj;
-    }
-    
-    /**
-     * Get subject.
-     *
-     * @return Name
-     */
-    public function subject(): Name
-    {
-        return $this->_subject;
-    }
-    
-    /**
-     * Get subject public key info.
-     *
-     * @return PublicKeyInfo
-     */
-    public function subjectPKInfo(): PublicKeyInfo
-    {
-        return $this->_subjectPKInfo;
-    }
-    
-    /**
-     * Whether certification request info has attributes.
-     *
-     * @return bool
-     */
-    public function hasAttributes(): bool
-    {
-        return isset($this->_attributes);
-    }
-    
-    /**
-     * Get attributes.
-     *
-     * @throws \LogicException
-     * @return Attributes
-     */
-    public function attributes(): Attributes
-    {
-        if (!$this->hasAttributes()) {
-            throw new \LogicException("No attributes.");
-        }
-        return $this->_attributes;
-    }
-    
-    /**
-     * Get instance of self with attributes.
-     *
-     * @param Attributes $attribs
-     */
-    public function withAttributes(Attributes $attribs)
-    {
-        $obj = clone $this;
-        $obj->_attributes = $attribs;
-        return $obj;
-    }
-    
-    /**
-     * Get self with extension request attribute.
-     *
-     * @param Extensions $extensions Extensions to request
-     * @return self
-     */
-    public function withExtensionRequest(Extensions $extensions)
-    {
-        $obj = clone $this;
-        if (!isset($obj->_attributes)) {
-            $obj->_attributes = new Attributes();
-        }
-        $obj->_attributes = $obj->_attributes->withUnique(
-            Attribute::fromAttributeValues(
-                new ExtensionRequestValue($extensions)));
-        return $obj;
-    }
-    
-    /**
-     * Generate ASN.1 structure.
-     *
-     * @return Sequence
-     */
-    public function toASN1(): Sequence
-    {
-        $elements = array(new Integer($this->_version),
-            $this->_subject->toASN1(), $this->_subjectPKInfo->toASN1());
-        if (isset($this->_attributes)) {
-            $elements[] = new ImplicitlyTaggedType(0,
-                $this->_attributes->toASN1());
-        }
-        return new Sequence(...$elements);
-    }
-    
-    /**
-     * Create signed CertificationRequest.
-     *
-     * @param SignatureAlgorithmIdentifier $algo Algorithm used for signing
-     * @param PrivateKeyInfo $privkey_info Private key used for signing
-     * @param Crypto|null $crypto Crypto engine, use default if not set
-     * @return CertificationRequest
-     */
-    public function sign(SignatureAlgorithmIdentifier $algo,
-        PrivateKeyInfo $privkey_info, Crypto $crypto = null)
-    {
-        $crypto = $crypto ?: Crypto::getDefault();
-        $data = $this->toASN1()->toDER();
-        $signature = $crypto->sign($data, $privkey_info, $algo);
-        return new CertificationRequest($this, $algo, $signature);
-    }
+	const VERSION_1 = 0;
+    
+	/**
+	 * Version.
+	 *
+	 * @var int
+	 */
+	protected $_version;
+    
+	/**
+	 * Subject.
+	 *
+	 * @var Name $_subject
+	 */
+	protected $_subject;
+    
+	/**
+	 * Public key info.
+	 *
+	 * @var PublicKeyInfo $_subjectPKInfo
+	 */
+	protected $_subjectPKInfo;
+    
+	/**
+	 * Attributes.
+	 *
+	 * @var Attributes|null $_attributes
+	 */
+	protected $_attributes;
+    
+	/**
+	 * Constructor.
+	 *
+	 * @param Name $subject Subject
+	 * @param PublicKeyInfo $pkinfo Public key info
+	 */
+	public function __construct(Name $subject, PublicKeyInfo $pkinfo)
+	{
+		$this->_version = self::VERSION_1;
+		$this->_subject = $subject;
+		$this->_subjectPKInfo = $pkinfo;
+	}
+    
+	/**
+	 * Initialize from ASN.1.
+	 *
+	 * @param Sequence $seq
+	 * @throws \UnexpectedValueException
+	 * @return self
+	 */
+	public static function fromASN1(Sequence $seq)
+	{
+		$version = $seq->at(0)
+			->asInteger()
+			->number();
+		if ($version != self::VERSION_1) {
+			throw new \UnexpectedValueException(
+				"Version $version not supported.");
+		}
+		$subject = Name::fromASN1($seq->at(1)->asSequence());
+		$pkinfo = PublicKeyInfo::fromASN1($seq->at(2)->asSequence());
+		$obj = new self($subject, $pkinfo);
+		if ($seq->hasTagged(0)) {
+			$obj->_attributes = Attributes::fromASN1(
+				$seq->getTagged(0)
+					->asImplicit(Element::TYPE_SET)
+					->asSet());
+		}
+		return $obj;
+	}
+    
+	/**
+	 * Get version.
+	 *
+	 * @return int
+	 */
+	public function version(): int
+	{
+		return $this->_version;
+	}
+    
+	/**
+	 * Get self with subject.
+	 *
+	 * @param Name $subject
+	 * @return self
+	 */
+	public function withSubject(Name $subject)
+	{
+		$obj = clone $this;
+		$obj->_subject = $subject;
+		return $obj;
+	}
+    
+	/**
+	 * Get subject.
+	 *
+	 * @return Name
+	 */
+	public function subject(): Name
+	{
+		return $this->_subject;
+	}
+    
+	/**
+	 * Get subject public key info.
+	 *
+	 * @return PublicKeyInfo
+	 */
+	public function subjectPKInfo(): PublicKeyInfo
+	{
+		return $this->_subjectPKInfo;
+	}
+    
+	/**
+	 * Whether certification request info has attributes.
+	 *
+	 * @return bool
+	 */
+	public function hasAttributes(): bool
+	{
+		return isset($this->_attributes);
+	}
+    
+	/**
+	 * Get attributes.
+	 *
+	 * @throws \LogicException
+	 * @return Attributes
+	 */
+	public function attributes(): Attributes
+	{
+		if (!$this->hasAttributes()) {
+			throw new \LogicException("No attributes.");
+		}
+		return $this->_attributes;
+	}
+    
+	/**
+	 * Get instance of self with attributes.
+	 *
+	 * @param Attributes $attribs
+	 */
+	public function withAttributes(Attributes $attribs)
+	{
+		$obj = clone $this;
+		$obj->_attributes = $attribs;
+		return $obj;
+	}
+    
+	/**
+	 * Get self with extension request attribute.
+	 *
+	 * @param Extensions $extensions Extensions to request
+	 * @return self
+	 */
+	public function withExtensionRequest(Extensions $extensions)
+	{
+		$obj = clone $this;
+		if (!isset($obj->_attributes)) {
+			$obj->_attributes = new Attributes();
+		}
+		$obj->_attributes = $obj->_attributes->withUnique(
+			Attribute::fromAttributeValues(
+				new ExtensionRequestValue($extensions)));
+		return $obj;
+	}
+    
+	/**
+	 * Generate ASN.1 structure.
+	 *
+	 * @return Sequence
+	 */
+	public function toASN1(): Sequence
+	{
+		$elements = array(new Integer($this->_version),
+			$this->_subject->toASN1(), $this->_subjectPKInfo->toASN1());
+		if (isset($this->_attributes)) {
+			$elements[] = new ImplicitlyTaggedType(0,
+				$this->_attributes->toASN1());
+		}
+		return new Sequence(...$elements);
+	}
+    
+	/**
+	 * Create signed CertificationRequest.
+	 *
+	 * @param SignatureAlgorithmIdentifier $algo Algorithm used for signing
+	 * @param PrivateKeyInfo $privkey_info Private key used for signing
+	 * @param Crypto|null $crypto Crypto engine, use default if not set
+	 * @return CertificationRequest
+	 */
+	public function sign(SignatureAlgorithmIdentifier $algo,
+		PrivateKeyInfo $privkey_info, Crypto $crypto = null)
+	{
+		$crypto = $crypto ?: Crypto::getDefault();
+		$data = $this->toASN1()->toDER();
+		$signature = $crypto->sign($data, $privkey_info, $algo);
+		return new CertificationRequest($this, $algo, $signature);
+	}
 }

lib/X509/CertificationPath/Exception/PathBuildingException.php

Spacing +1 added lines, -1 removed lines

@@ -1,6 +1,6 @@
 <?php
 
-declare(strict_types=1);
+declare(strict_types = 1);
 
 namespace X509\CertificationPath\Exception;
 

lib/X509/CertificationPath/Exception/PathValidationException.php

Spacing +1 added lines, -1 removed lines

@@ -1,6 +1,6 @@
 <?php
 
-declare(strict_types=1);
+declare(strict_types = 1);
 
 namespace X509\CertificationPath\Exception;
 

lib/X509/CertificationPath/Policy/PolicyNode.php

Indentation +238 added lines, -238 removed lines

@@ -13,265 +13,265 @@
  */
 class PolicyNode implements \IteratorAggregate, \Countable
 {
-    /**
-     * Policy OID.
-     *
-     * @var string
-     */
-    protected $_validPolicy;
+	/**
+	 * Policy OID.
+	 *
+	 * @var string
+	 */
+	protected $_validPolicy;
     
-    /**
-     * List of qualifiers.
-     *
-     * @var \X509\Certificate\Extension\CertificatePolicy\PolicyQualifierInfo[]
-     */
-    protected $_qualifiers;
+	/**
+	 * List of qualifiers.
+	 *
+	 * @var \X509\Certificate\Extension\CertificatePolicy\PolicyQualifierInfo[]
+	 */
+	protected $_qualifiers;
     
-    /**
-     * List of expected policy OIDs.
-     *
-     * @var string[]
-     */
-    protected $_expectedPolicies;
+	/**
+	 * List of expected policy OIDs.
+	 *
+	 * @var string[]
+	 */
+	protected $_expectedPolicies;
     
-    /**
-     * List of child nodes.
-     *
-     * @var PolicyNode[]
-     */
-    protected $_children;
+	/**
+	 * List of child nodes.
+	 *
+	 * @var PolicyNode[]
+	 */
+	protected $_children;
     
-    /**
-     * Reference to the parent node.
-     *
-     * @var PolicyNode|null
-     */
-    protected $_parent;
+	/**
+	 * Reference to the parent node.
+	 *
+	 * @var PolicyNode|null
+	 */
+	protected $_parent;
     
-    /**
-     * Constructor.
-     *
-     * @param string $valid_policy Policy OID
-     * @param \X509\Certificate\Extension\CertificatePolicy\PolicyQualifierInfo[] $qualifiers
-     * @param string[] $expected_policies
-     */
-    public function __construct(string $valid_policy, array $qualifiers,
-        array $expected_policies)
-    {
-        $this->_validPolicy = $valid_policy;
-        $this->_qualifiers = $qualifiers;
-        $this->_expectedPolicies = $expected_policies;
-        $this->_children = array();
-    }
+	/**
+	 * Constructor.
+	 *
+	 * @param string $valid_policy Policy OID
+	 * @param \X509\Certificate\Extension\CertificatePolicy\PolicyQualifierInfo[] $qualifiers
+	 * @param string[] $expected_policies
+	 */
+	public function __construct(string $valid_policy, array $qualifiers,
+		array $expected_policies)
+	{
+		$this->_validPolicy = $valid_policy;
+		$this->_qualifiers = $qualifiers;
+		$this->_expectedPolicies = $expected_policies;
+		$this->_children = array();
+	}
     
-    /**
-     * Create initial node for the policy tree.
-     *
-     * @return self
-     */
-    public static function anyPolicyNode()
-    {
-        return new self(PolicyInformation::OID_ANY_POLICY, array(),
-            array(PolicyInformation::OID_ANY_POLICY));
-    }
+	/**
+	 * Create initial node for the policy tree.
+	 *
+	 * @return self
+	 */
+	public static function anyPolicyNode()
+	{
+		return new self(PolicyInformation::OID_ANY_POLICY, array(),
+			array(PolicyInformation::OID_ANY_POLICY));
+	}
     
-    /**
-     * Get the valid policy OID.
-     *
-     * @return string
-     */
-    public function validPolicy(): string
-    {
-        return $this->_validPolicy;
-    }
+	/**
+	 * Get the valid policy OID.
+	 *
+	 * @return string
+	 */
+	public function validPolicy(): string
+	{
+		return $this->_validPolicy;
+	}
     
-    /**
-     * Check whether node has anyPolicy as a valid policy.
-     *
-     * @return boolean
-     */
-    public function isAnyPolicy(): bool
-    {
-        return PolicyInformation::OID_ANY_POLICY == $this->_validPolicy;
-    }
+	/**
+	 * Check whether node has anyPolicy as a valid policy.
+	 *
+	 * @return boolean
+	 */
+	public function isAnyPolicy(): bool
+	{
+		return PolicyInformation::OID_ANY_POLICY == $this->_validPolicy;
+	}
     
-    /**
-     * Get the qualifier set.
-     *
-     * @return \X509\Certificate\Extension\CertificatePolicy\PolicyQualifierInfo[]
-     */
-    public function qualifiers(): array
-    {
-        return $this->_qualifiers;
-    }
+	/**
+	 * Get the qualifier set.
+	 *
+	 * @return \X509\Certificate\Extension\CertificatePolicy\PolicyQualifierInfo[]
+	 */
+	public function qualifiers(): array
+	{
+		return $this->_qualifiers;
+	}
     
-    /**
-     * Check whether node has OID as an expected policy.
-     *
-     * @param string $oid
-     * @return boolean
-     */
-    public function hasExpectedPolicy($oid): bool
-    {
-        return in_array($oid, $this->_expectedPolicies);
-    }
+	/**
+	 * Check whether node has OID as an expected policy.
+	 *
+	 * @param string $oid
+	 * @return boolean
+	 */
+	public function hasExpectedPolicy($oid): bool
+	{
+		return in_array($oid, $this->_expectedPolicies);
+	}
     
-    /**
-     * Get the expected policy set.
-     *
-     * @return string[]
-     */
-    public function expectedPolicies(): array
-    {
-        return $this->_expectedPolicies;
-    }
+	/**
+	 * Get the expected policy set.
+	 *
+	 * @return string[]
+	 */
+	public function expectedPolicies(): array
+	{
+		return $this->_expectedPolicies;
+	}
     
-    /**
-     * Set expected policies.
-     *
-     * @param string ...$oids Policy OIDs
-     */
-    public function setExpectedPolicies(...$oids)
-    {
-        $this->_expectedPolicies = $oids;
-    }
+	/**
+	 * Set expected policies.
+	 *
+	 * @param string ...$oids Policy OIDs
+	 */
+	public function setExpectedPolicies(...$oids)
+	{
+		$this->_expectedPolicies = $oids;
+	}
     
-    /**
-     * Check whether node has a child node with given valid policy OID.
-     *
-     * @param string $oid
-     * @return boolean
-     */
-    public function hasChildWithValidPolicy($oid): bool
-    {
-        foreach ($this->_children as $node) {
-            if ($node->validPolicy() == $oid) {
-                return true;
-            }
-        }
-        return false;
-    }
+	/**
+	 * Check whether node has a child node with given valid policy OID.
+	 *
+	 * @param string $oid
+	 * @return boolean
+	 */
+	public function hasChildWithValidPolicy($oid): bool
+	{
+		foreach ($this->_children as $node) {
+			if ($node->validPolicy() == $oid) {
+				return true;
+			}
+		}
+		return false;
+	}
     
-    /**
-     * Add child node.
-     *
-     * @param PolicyNode $node
-     * @return self
-     */
-    public function addChild(PolicyNode $node)
-    {
-        $id = spl_object_hash($node);
-        $node->_parent = $this;
-        $this->_children[$id] = $node;
-        return $this;
-    }
+	/**
+	 * Add child node.
+	 *
+	 * @param PolicyNode $node
+	 * @return self
+	 */
+	public function addChild(PolicyNode $node)
+	{
+		$id = spl_object_hash($node);
+		$node->_parent = $this;
+		$this->_children[$id] = $node;
+		return $this;
+	}
     
-    /**
-     * Get the child nodes.
-     *
-     * @return PolicyNode[]
-     */
-    public function children(): array
-    {
-        return array_values($this->_children);
-    }
+	/**
+	 * Get the child nodes.
+	 *
+	 * @return PolicyNode[]
+	 */
+	public function children(): array
+	{
+		return array_values($this->_children);
+	}
     
-    /**
-     * Remove this node from the tree.
-     *
-     * @return self The removed node
-     */
-    public function remove()
-    {
-        if ($this->_parent) {
-            $id = spl_object_hash($this);
-            unset($this->_parent->_children[$id]);
-            unset($this->_parent);
-        }
-        return $this;
-    }
+	/**
+	 * Remove this node from the tree.
+	 *
+	 * @return self The removed node
+	 */
+	public function remove()
+	{
+		if ($this->_parent) {
+			$id = spl_object_hash($this);
+			unset($this->_parent->_children[$id]);
+			unset($this->_parent);
+		}
+		return $this;
+	}
     
-    /**
-     * Check whether node has a parent.
-     *
-     * @return bool
-     */
-    public function hasParent(): bool
-    {
-        return isset($this->_parent);
-    }
+	/**
+	 * Check whether node has a parent.
+	 *
+	 * @return bool
+	 */
+	public function hasParent(): bool
+	{
+		return isset($this->_parent);
+	}
     
-    /**
-     * Get the parent node.
-     *
-     * @return PolicyNode|null
-     */
-    public function parent()
-    {
-        return $this->_parent;
-    }
+	/**
+	 * Get the parent node.
+	 *
+	 * @return PolicyNode|null
+	 */
+	public function parent()
+	{
+		return $this->_parent;
+	}
     
-    /**
-     * Get chain of parent nodes from this node's parent to the root node.
-     *
-     * @return PolicyNode[]
-     */
-    public function parents(): array
-    {
-        if (!$this->_parent) {
-            return array();
-        }
-        $nodes = $this->_parent->parents();
-        $nodes[] = $this->_parent;
-        return array_reverse($nodes);
-    }
+	/**
+	 * Get chain of parent nodes from this node's parent to the root node.
+	 *
+	 * @return PolicyNode[]
+	 */
+	public function parents(): array
+	{
+		if (!$this->_parent) {
+			return array();
+		}
+		$nodes = $this->_parent->parents();
+		$nodes[] = $this->_parent;
+		return array_reverse($nodes);
+	}
     
-    /**
-     * Walk tree from this node, applying a callback for each node.
-     *
-     * Nodes are traversed depth-first and callback shall be applied post-order.
-     *
-     * @param callable $fn
-     */
-    public function walkNodes(callable $fn)
-    {
-        foreach ($this->_children as $node) {
-            $node->walkNodes($fn);
-        }
-        $fn($this);
-    }
+	/**
+	 * Walk tree from this node, applying a callback for each node.
+	 *
+	 * Nodes are traversed depth-first and callback shall be applied post-order.
+	 *
+	 * @param callable $fn
+	 */
+	public function walkNodes(callable $fn)
+	{
+		foreach ($this->_children as $node) {
+			$node->walkNodes($fn);
+		}
+		$fn($this);
+	}
     
-    /**
-     * Get the total number of nodes in a tree.
-     *
-     * @return int
-     */
-    public function nodeCount(): int
-    {
-        $c = 1;
-        foreach ($this->_children as $child) {
-            $c += $child->nodeCount();
-        }
-        return $c;
-    }
+	/**
+	 * Get the total number of nodes in a tree.
+	 *
+	 * @return int
+	 */
+	public function nodeCount(): int
+	{
+		$c = 1;
+		foreach ($this->_children as $child) {
+			$c += $child->nodeCount();
+		}
+		return $c;
+	}
     
-    /**
-     * Get the number of child nodes.
-     *
-     * @see \Countable::count()
-     */
-    public function count(): int
-    {
-        return count($this->_children);
-    }
+	/**
+	 * Get the number of child nodes.
+	 *
+	 * @see \Countable::count()
+	 */
+	public function count(): int
+	{
+		return count($this->_children);
+	}
     
-    /**
-     * Get iterator for the child nodes.
-     *
-     * @see \IteratorAggregate::getIterator()
-     */
-    public function getIterator(): \ArrayIterator
-    {
-        return new \ArrayIterator($this->_children);
-    }
+	/**
+	 * Get iterator for the child nodes.
+	 *
+	 * @see \IteratorAggregate::getIterator()
+	 */
+	public function getIterator(): \ArrayIterator
+	{
+		return new \ArrayIterator($this->_children);
+	}
 }

Spacing +1 added lines, -1 removed lines

@@ -1,6 +1,6 @@
 <?php
 
-declare(strict_types=1);
+declare(strict_types = 1);
 
 namespace X509\CertificationPath\Policy;
 

lib/X509/CertificationPath/Policy/PolicyTree.php

Indentation +393 added lines, -393 removed lines

@@ -10,411 +10,411 @@
 
 class PolicyTree
 {
-    /**
-     * Root node at depth zero.
-     *
-     * @var PolicyNode|null
-     */
-    protected $_root;
+	/**
+	 * Root node at depth zero.
+	 *
+	 * @var PolicyNode|null
+	 */
+	protected $_root;
     
-    /**
-     * Constructor.
-     *
-     * @param PolicyNode $root Initial root node
-     */
-    public function __construct(PolicyNode $root)
-    {
-        $this->_root = $root;
-    }
+	/**
+	 * Constructor.
+	 *
+	 * @param PolicyNode $root Initial root node
+	 */
+	public function __construct(PolicyNode $root)
+	{
+		$this->_root = $root;
+	}
     
-    /**
-     * Process policy information from the certificate.
-     *
-     * Certificate policies extension must be present.
-     *
-     * @param ValidatorState $state
-     * @param Certificate $cert
-     * @return ValidatorState
-     */
-    public function processPolicies(ValidatorState $state, Certificate $cert): ValidatorState
-    {
-        $policies = $cert->tbsCertificate()
-            ->extensions()
-            ->certificatePolicies();
-        $tree = clone $this;
-        // (d.1) for each policy P not equal to anyPolicy
-        foreach ($policies as $policy) {
-            if ($policy->isAnyPolicy()) {
-                $tree->_processAnyPolicy($policy, $cert, $state);
-            } else {
-                $tree->_processPolicy($policy, $state);
-            }
-        }
-        // if whole tree is pruned
-        if (!$tree->_pruneTree($state->index() - 1)) {
-            return $state->withoutValidPolicyTree();
-        }
-        return $state->withValidPolicyTree($tree);
-    }
+	/**
+	 * Process policy information from the certificate.
+	 *
+	 * Certificate policies extension must be present.
+	 *
+	 * @param ValidatorState $state
+	 * @param Certificate $cert
+	 * @return ValidatorState
+	 */
+	public function processPolicies(ValidatorState $state, Certificate $cert): ValidatorState
+	{
+		$policies = $cert->tbsCertificate()
+			->extensions()
+			->certificatePolicies();
+		$tree = clone $this;
+		// (d.1) for each policy P not equal to anyPolicy
+		foreach ($policies as $policy) {
+			if ($policy->isAnyPolicy()) {
+				$tree->_processAnyPolicy($policy, $cert, $state);
+			} else {
+				$tree->_processPolicy($policy, $state);
+			}
+		}
+		// if whole tree is pruned
+		if (!$tree->_pruneTree($state->index() - 1)) {
+			return $state->withoutValidPolicyTree();
+		}
+		return $state->withValidPolicyTree($tree);
+	}
     
-    /**
-     * Process policy mappings from the certificate.
-     *
-     * @param ValidatorState $state
-     * @param Certificate $cert
-     * @return ValidatorState
-     */
-    public function processMappings(ValidatorState $state, Certificate $cert): ValidatorState
-    {
-        $tree = clone $this;
-        if ($state->policyMapping() > 0) {
-            $tree->_applyMappings($cert, $state);
-        } else if ($state->policyMapping() == 0) {
-            $tree->_deleteMappings($cert, $state);
-        }
-        // if whole tree is pruned
-        if (!$tree->_root) {
-            return $state->withoutValidPolicyTree();
-        }
-        return $state->withValidPolicyTree($tree);
-    }
+	/**
+	 * Process policy mappings from the certificate.
+	 *
+	 * @param ValidatorState $state
+	 * @param Certificate $cert
+	 * @return ValidatorState
+	 */
+	public function processMappings(ValidatorState $state, Certificate $cert): ValidatorState
+	{
+		$tree = clone $this;
+		if ($state->policyMapping() > 0) {
+			$tree->_applyMappings($cert, $state);
+		} else if ($state->policyMapping() == 0) {
+			$tree->_deleteMappings($cert, $state);
+		}
+		// if whole tree is pruned
+		if (!$tree->_root) {
+			return $state->withoutValidPolicyTree();
+		}
+		return $state->withValidPolicyTree($tree);
+	}
     
-    /**
-     * Calculate policy intersection as specified in Wrap-Up Procedure 6.1.5.g.
-     *
-     * @param ValidatorState $state
-     * @param array $policies
-     * @return ValidatorState
-     */
-    public function calculateIntersection(ValidatorState $state, array $policies): ValidatorState
-    {
-        $tree = clone $this;
-        $valid_policy_node_set = $tree->_validPolicyNodeSet();
-        // 2. If the valid_policy of any node in the valid_policy_node_set
-        // is not in the user-initial-policy-set and is not anyPolicy,
-        // delete this node and all its children.
-        $valid_policy_node_set = array_filter($valid_policy_node_set,
-            function (PolicyNode $node) use ($policies) {
-                if ($node->isAnyPolicy()) {
-                    return true;
-                }
-                if (in_array($node->validPolicy(), $policies)) {
-                    return true;
-                }
-                $node->remove();
-                return false;
-            });
-        // array of valid policy OIDs
-        $valid_policy_set = array_map(
-            function (PolicyNode $node) {
-                return $node->validPolicy();
-            }, $valid_policy_node_set);
-        // 3. If the valid_policy_tree includes a node of depth n with
-        // the valid_policy anyPolicy and the user-initial-policy-set 
-        // is not any-policy
-        foreach ($tree->_nodesAtDepth($state->index()) as $node) {
-            if ($node->hasParent() && $node->isAnyPolicy()) {
-                // a. Set P-Q to the qualifier_set in the node of depth n
-                // with valid_policy anyPolicy.
-                $pq = $node->qualifiers();
-                // b. For each P-OID in the user-initial-policy-set that is not
-                // the valid_policy of a node in the valid_policy_node_set,
-                // create a child node whose parent is the node of depth n-1
-                // with the valid_policy anyPolicy.
-                $poids = array_diff($policies, $valid_policy_set);
-                foreach ($tree->_nodesAtDepth($state->index() - 1) as $parent) {
-                    if ($parent->isAnyPolicy()) {
-                        // Set the values in the child node as follows: 
-                        // set the valid_policy to P-OID, set the qualifier_set
-                        // to P-Q, and set the expected_policy_set to {P-OID}.
-                        foreach ($poids as $poid) {
-                            $parent->addChild(
-                                new PolicyNode($poid, $pq, array($poid)));
-                        }
-                        break;
-                    }
-                }
-                // c. Delete the node of depth n with the
-                // valid_policy anyPolicy.
-                $node->remove();
-            }
-        }
-        // 4. If there is a node in the valid_policy_tree of depth n-1 or less
-        // without any child nodes, delete that node. Repeat this step until
-        // there are no nodes of depth n-1 or less without children.
-        if (!$tree->_pruneTree($state->index() - 1)) {
-            return $state->withoutValidPolicyTree();
-        }
-        return $state->withValidPolicyTree($tree);
-    }
+	/**
+	 * Calculate policy intersection as specified in Wrap-Up Procedure 6.1.5.g.
+	 *
+	 * @param ValidatorState $state
+	 * @param array $policies
+	 * @return ValidatorState
+	 */
+	public function calculateIntersection(ValidatorState $state, array $policies): ValidatorState
+	{
+		$tree = clone $this;
+		$valid_policy_node_set = $tree->_validPolicyNodeSet();
+		// 2. If the valid_policy of any node in the valid_policy_node_set
+		// is not in the user-initial-policy-set and is not anyPolicy,
+		// delete this node and all its children.
+		$valid_policy_node_set = array_filter($valid_policy_node_set,
+			function (PolicyNode $node) use ($policies) {
+				if ($node->isAnyPolicy()) {
+					return true;
+				}
+				if (in_array($node->validPolicy(), $policies)) {
+					return true;
+				}
+				$node->remove();
+				return false;
+			});
+		// array of valid policy OIDs
+		$valid_policy_set = array_map(
+			function (PolicyNode $node) {
+				return $node->validPolicy();
+			}, $valid_policy_node_set);
+		// 3. If the valid_policy_tree includes a node of depth n with
+		// the valid_policy anyPolicy and the user-initial-policy-set 
+		// is not any-policy
+		foreach ($tree->_nodesAtDepth($state->index()) as $node) {
+			if ($node->hasParent() && $node->isAnyPolicy()) {
+				// a. Set P-Q to the qualifier_set in the node of depth n
+				// with valid_policy anyPolicy.
+				$pq = $node->qualifiers();
+				// b. For each P-OID in the user-initial-policy-set that is not
+				// the valid_policy of a node in the valid_policy_node_set,
+				// create a child node whose parent is the node of depth n-1
+				// with the valid_policy anyPolicy.
+				$poids = array_diff($policies, $valid_policy_set);
+				foreach ($tree->_nodesAtDepth($state->index() - 1) as $parent) {
+					if ($parent->isAnyPolicy()) {
+						// Set the values in the child node as follows: 
+						// set the valid_policy to P-OID, set the qualifier_set
+						// to P-Q, and set the expected_policy_set to {P-OID}.
+						foreach ($poids as $poid) {
+							$parent->addChild(
+								new PolicyNode($poid, $pq, array($poid)));
+						}
+						break;
+					}
+				}
+				// c. Delete the node of depth n with the
+				// valid_policy anyPolicy.
+				$node->remove();
+			}
+		}
+		// 4. If there is a node in the valid_policy_tree of depth n-1 or less
+		// without any child nodes, delete that node. Repeat this step until
+		// there are no nodes of depth n-1 or less without children.
+		if (!$tree->_pruneTree($state->index() - 1)) {
+			return $state->withoutValidPolicyTree();
+		}
+		return $state->withValidPolicyTree($tree);
+	}
     
-    /**
-     * Get policies at given policy tree depth.
-     *
-     * @param int $i Depth in range 1..n
-     * @return PolicyInformation[]
-     */
-    public function policiesAtDepth($i): array
-    {
-        $policies = array();
-        foreach ($this->_nodesAtDepth($i) as $node) {
-            $policies[] = new PolicyInformation($node->validPolicy(),
-                ...$node->qualifiers());
-        }
-        return $policies;
-    }
+	/**
+	 * Get policies at given policy tree depth.
+	 *
+	 * @param int $i Depth in range 1..n
+	 * @return PolicyInformation[]
+	 */
+	public function policiesAtDepth($i): array
+	{
+		$policies = array();
+		foreach ($this->_nodesAtDepth($i) as $node) {
+			$policies[] = new PolicyInformation($node->validPolicy(),
+				...$node->qualifiers());
+		}
+		return $policies;
+	}
     
-    /**
-     * Process single policy information.
-     *
-     * @param PolicyInformation $policy
-     * @param ValidatorState $state
-     */
-    protected function _processPolicy(PolicyInformation $policy,
-        ValidatorState $state)
-    {
-        $p_oid = $policy->oid();
-        $i = $state->index();
-        $match_count = 0;
-        // (d.1.i) for each node of depth i-1 in the valid_policy_tree...
-        foreach ($this->_nodesAtDepth($i - 1) as $node) {
-            // ...where P-OID is in the expected_policy_set
-            if ($node->hasExpectedPolicy($p_oid)) {
-                $node->addChild(
-                    new PolicyNode($p_oid, $policy->qualifiers(), array($p_oid)));
-                ++$match_count;
-            }
-        }
-        // (d.1.ii) if there was no match in step (i)...
-        if (!$match_count) {
-            // ...and the valid_policy_tree includes a node of depth i-1 with
-            // the valid_policy anyPolicy
-            foreach ($this->_nodesAtDepth($i - 1) as $node) {
-                if ($node->isAnyPolicy()) {
-                    $node->addChild(
-                        new PolicyNode($p_oid, $policy->qualifiers(),
-                            array($p_oid)));
-                }
-            }
-        }
-    }
+	/**
+	 * Process single policy information.
+	 *
+	 * @param PolicyInformation $policy
+	 * @param ValidatorState $state
+	 */
+	protected function _processPolicy(PolicyInformation $policy,
+		ValidatorState $state)
+	{
+		$p_oid = $policy->oid();
+		$i = $state->index();
+		$match_count = 0;
+		// (d.1.i) for each node of depth i-1 in the valid_policy_tree...
+		foreach ($this->_nodesAtDepth($i - 1) as $node) {
+			// ...where P-OID is in the expected_policy_set
+			if ($node->hasExpectedPolicy($p_oid)) {
+				$node->addChild(
+					new PolicyNode($p_oid, $policy->qualifiers(), array($p_oid)));
+				++$match_count;
+			}
+		}
+		// (d.1.ii) if there was no match in step (i)...
+		if (!$match_count) {
+			// ...and the valid_policy_tree includes a node of depth i-1 with
+			// the valid_policy anyPolicy
+			foreach ($this->_nodesAtDepth($i - 1) as $node) {
+				if ($node->isAnyPolicy()) {
+					$node->addChild(
+						new PolicyNode($p_oid, $policy->qualifiers(),
+							array($p_oid)));
+				}
+			}
+		}
+	}
     
-    /**
-     * Process anyPolicy policy information.
-     *
-     * @param PolicyInformation $policy
-     * @param Certificate $cert
-     * @param ValidatorState $state
-     */
-    protected function _processAnyPolicy(PolicyInformation $policy,
-        Certificate $cert, ValidatorState $state)
-    {
-        $i = $state->index();
-        // if (a) inhibit_anyPolicy is greater than 0 or
-        // (b) i<n and the certificate is self-issued
-        if (!($state->inhibitAnyPolicy() > 0 ||
-             ($i < $state->pathLength() && $cert->isSelfIssued()))) {
-            return;
-        }
-        // for each node in the valid_policy_tree of depth i-1
-        foreach ($this->_nodesAtDepth($i - 1) as $node) {
-            // for each value in the expected_policy_set
-            foreach ($node->expectedPolicies() as $p_oid) {
-                // that does not appear in a child node
-                if (!$node->hasChildWithValidPolicy($p_oid)) {
-                    $node->addChild(
-                        new PolicyNode($p_oid, $policy->qualifiers(),
-                            array($p_oid)));
-                }
-            }
-        }
-    }
+	/**
+	 * Process anyPolicy policy information.
+	 *
+	 * @param PolicyInformation $policy
+	 * @param Certificate $cert
+	 * @param ValidatorState $state
+	 */
+	protected function _processAnyPolicy(PolicyInformation $policy,
+		Certificate $cert, ValidatorState $state)
+	{
+		$i = $state->index();
+		// if (a) inhibit_anyPolicy is greater than 0 or
+		// (b) i<n and the certificate is self-issued
+		if (!($state->inhibitAnyPolicy() > 0 ||
+			 ($i < $state->pathLength() && $cert->isSelfIssued()))) {
+			return;
+		}
+		// for each node in the valid_policy_tree of depth i-1
+		foreach ($this->_nodesAtDepth($i - 1) as $node) {
+			// for each value in the expected_policy_set
+			foreach ($node->expectedPolicies() as $p_oid) {
+				// that does not appear in a child node
+				if (!$node->hasChildWithValidPolicy($p_oid)) {
+					$node->addChild(
+						new PolicyNode($p_oid, $policy->qualifiers(),
+							array($p_oid)));
+				}
+			}
+		}
+	}
     
-    /**
-     * Apply policy mappings to the policy tree.
-     *
-     * @param Certificate $cert
-     * @param ValidatorState $state
-     */
-    protected function _applyMappings(Certificate $cert, ValidatorState $state)
-    {
-        $policy_mappings = $cert->tbsCertificate()
-            ->extensions()
-            ->policyMappings();
-        // (6.1.4. b.1.) for each node in the valid_policy_tree of depth i...
-        foreach ($policy_mappings->flattenedMappings() as $idp => $sdps) {
-            $match_count = 0;
-            foreach ($this->_nodesAtDepth($state->index()) as $node) {
-                // ...where ID-P is the valid_policy
-                if ($node->validPolicy() == $idp) {
-                    // set expected_policy_set to the set of subjectDomainPolicy
-                    // values that are specified as equivalent to ID-P by
-                    // the policy mappings extension
-                    $node->setExpectedPolicies(...$sdps);
-                    ++$match_count;
-                }
-            }
-            // if no node of depth i in the valid_policy_tree has
-            // a valid_policy of ID-P...
-            if (!$match_count) {
-                $this->_applyAnyPolicyMapping($cert, $state, $idp, $sdps);
-            }
-        }
-    }
+	/**
+	 * Apply policy mappings to the policy tree.
+	 *
+	 * @param Certificate $cert
+	 * @param ValidatorState $state
+	 */
+	protected function _applyMappings(Certificate $cert, ValidatorState $state)
+	{
+		$policy_mappings = $cert->tbsCertificate()
+			->extensions()
+			->policyMappings();
+		// (6.1.4. b.1.) for each node in the valid_policy_tree of depth i...
+		foreach ($policy_mappings->flattenedMappings() as $idp => $sdps) {
+			$match_count = 0;
+			foreach ($this->_nodesAtDepth($state->index()) as $node) {
+				// ...where ID-P is the valid_policy
+				if ($node->validPolicy() == $idp) {
+					// set expected_policy_set to the set of subjectDomainPolicy
+					// values that are specified as equivalent to ID-P by
+					// the policy mappings extension
+					$node->setExpectedPolicies(...$sdps);
+					++$match_count;
+				}
+			}
+			// if no node of depth i in the valid_policy_tree has
+			// a valid_policy of ID-P...
+			if (!$match_count) {
+				$this->_applyAnyPolicyMapping($cert, $state, $idp, $sdps);
+			}
+		}
+	}
     
-    /**
-     * Apply anyPolicy mapping to the policy tree as specified in 6.1.4 (b)(1).
-     *
-     * @param Certificate $cert
-     * @param ValidatorState $state
-     * @param string $idp OID of the issuer domain policy
-     * @param array $sdps Array of subject domain policy OIDs
-     */
-    protected function _applyAnyPolicyMapping(Certificate $cert,
-        ValidatorState $state, $idp, array $sdps)
-    {
-        // (6.1.4. b.1.) ...but there is a node of depth i with
-        // a valid_policy of anyPolicy
-        foreach ($this->_nodesAtDepth($state->index()) as $node) {
-            if ($node->isAnyPolicy()) {
-                // then generate a child node of the node of depth i-1
-                // that has a valid_policy of anyPolicy as follows...
-                foreach ($this->_nodesAtDepth($state->index() - 1) as $node) {
-                    if ($node->isAnyPolicy()) {
-                        // try to fetch qualifiers of anyPolicy certificate policy
-                        $qualifiers = array();
-                        try {
-                            $qualifiers = $cert->tbsCertificate()
-                                ->extensions()
-                                ->certificatePolicies()
-                                ->anyPolicy()
-                                ->qualifiers();
-                        } catch (\LogicException $e) {
-                            // if there's no policies or no qualifiers
-                        }
-                        $node->addChild(
-                            new PolicyNode($idp, $qualifiers, $sdps));
-                        // bail after first anyPolicy has been processed
-                        break;
-                    }
-                }
-                // bail after first anyPolicy has been processed
-                break;
-            }
-        }
-    }
+	/**
+	 * Apply anyPolicy mapping to the policy tree as specified in 6.1.4 (b)(1).
+	 *
+	 * @param Certificate $cert
+	 * @param ValidatorState $state
+	 * @param string $idp OID of the issuer domain policy
+	 * @param array $sdps Array of subject domain policy OIDs
+	 */
+	protected function _applyAnyPolicyMapping(Certificate $cert,
+		ValidatorState $state, $idp, array $sdps)
+	{
+		// (6.1.4. b.1.) ...but there is a node of depth i with
+		// a valid_policy of anyPolicy
+		foreach ($this->_nodesAtDepth($state->index()) as $node) {
+			if ($node->isAnyPolicy()) {
+				// then generate a child node of the node of depth i-1
+				// that has a valid_policy of anyPolicy as follows...
+				foreach ($this->_nodesAtDepth($state->index() - 1) as $node) {
+					if ($node->isAnyPolicy()) {
+						// try to fetch qualifiers of anyPolicy certificate policy
+						$qualifiers = array();
+						try {
+							$qualifiers = $cert->tbsCertificate()
+								->extensions()
+								->certificatePolicies()
+								->anyPolicy()
+								->qualifiers();
+						} catch (\LogicException $e) {
+							// if there's no policies or no qualifiers
+						}
+						$node->addChild(
+							new PolicyNode($idp, $qualifiers, $sdps));
+						// bail after first anyPolicy has been processed
+						break;
+					}
+				}
+				// bail after first anyPolicy has been processed
+				break;
+			}
+		}
+	}
     
-    /**
-     * Delete nodes as specified in 6.1.4 (b)(2).
-     *
-     * @param Certificate $cert
-     * @param ValidatorState $state
-     */
-    protected function _deleteMappings(Certificate $cert, ValidatorState $state)
-    {
-        $idps = $cert->tbsCertificate()
-            ->extensions()
-            ->policyMappings()
-            ->issuerDomainPolicies();
-        // delete each node of depth i in the valid_policy_tree
-        // where ID-P is the valid_policy
-        foreach ($this->_nodesAtDepth($state->index()) as $node) {
-            if (in_array($node->validPolicy(), $idps)) {
-                $node->remove();
-            }
-        }
-        $this->_pruneTree($state->index() - 1);
-    }
+	/**
+	 * Delete nodes as specified in 6.1.4 (b)(2).
+	 *
+	 * @param Certificate $cert
+	 * @param ValidatorState $state
+	 */
+	protected function _deleteMappings(Certificate $cert, ValidatorState $state)
+	{
+		$idps = $cert->tbsCertificate()
+			->extensions()
+			->policyMappings()
+			->issuerDomainPolicies();
+		// delete each node of depth i in the valid_policy_tree
+		// where ID-P is the valid_policy
+		foreach ($this->_nodesAtDepth($state->index()) as $node) {
+			if (in_array($node->validPolicy(), $idps)) {
+				$node->remove();
+			}
+		}
+		$this->_pruneTree($state->index() - 1);
+	}
     
-    /**
-     * Prune tree starting from given depth.
-     *
-     * @param int $depth
-     * @return int The number of nodes left in a tree
-     */
-    protected function _pruneTree($depth)
-    {
-        for ($i = $depth; $i > 0; --$i) {
-            foreach ($this->_nodesAtDepth($i) as $node) {
-                if (!count($node)) {
-                    $node->remove();
-                }
-            }
-        }
-        // if root has no children left
-        if (!count($this->_root)) {
-            $this->_root = null;
-            return 0;
-        }
-        return $this->_root->nodeCount();
-    }
+	/**
+	 * Prune tree starting from given depth.
+	 *
+	 * @param int $depth
+	 * @return int The number of nodes left in a tree
+	 */
+	protected function _pruneTree($depth)
+	{
+		for ($i = $depth; $i > 0; --$i) {
+			foreach ($this->_nodesAtDepth($i) as $node) {
+				if (!count($node)) {
+					$node->remove();
+				}
+			}
+		}
+		// if root has no children left
+		if (!count($this->_root)) {
+			$this->_root = null;
+			return 0;
+		}
+		return $this->_root->nodeCount();
+	}
     
-    /**
-     * Get all nodes at given depth.
-     *
-     * @param int $i
-     * @return PolicyNode[]
-     */
-    protected function _nodesAtDepth($i): array
-    {
-        if (!$this->_root) {
-            return array();
-        }
-        $depth = 0;
-        $nodes = array($this->_root);
-        while ($depth < $i) {
-            $nodes = self::_gatherChildren(...$nodes);
-            if (!count($nodes)) {
-                break;
-            }
-            ++$depth;
-        }
-        return $nodes;
-    }
+	/**
+	 * Get all nodes at given depth.
+	 *
+	 * @param int $i
+	 * @return PolicyNode[]
+	 */
+	protected function _nodesAtDepth($i): array
+	{
+		if (!$this->_root) {
+			return array();
+		}
+		$depth = 0;
+		$nodes = array($this->_root);
+		while ($depth < $i) {
+			$nodes = self::_gatherChildren(...$nodes);
+			if (!count($nodes)) {
+				break;
+			}
+			++$depth;
+		}
+		return $nodes;
+	}
     
-    /**
-     * Get the valid policy node set as specified in spec 6.1.5.(g)(iii)1.
-     *
-     * @return PolicyNode[]
-     */
-    protected function _validPolicyNodeSet(): array
-    {
-        // 1. Determine the set of policy nodes whose parent nodes have
-        // a valid_policy of anyPolicy. This is the valid_policy_node_set.
-        $set = array();
-        if (!$this->_root) {
-            return $set;
-        }
-        // for each node in a tree
-        $this->_root->walkNodes(
-            function (PolicyNode $node) use (&$set) {
-                $parents = $node->parents();
-                // node has parents
-                if (count($parents)) {
-                    // check that each ancestor is an anyPolicy node
-                    foreach ($parents as $ancestor) {
-                        if (!$ancestor->isAnyPolicy()) {
-                            return;
-                        }
-                    }
-                    $set[] = $node;
-                }
-            });
-        return $set;
-    }
+	/**
+	 * Get the valid policy node set as specified in spec 6.1.5.(g)(iii)1.
+	 *
+	 * @return PolicyNode[]
+	 */
+	protected function _validPolicyNodeSet(): array
+	{
+		// 1. Determine the set of policy nodes whose parent nodes have
+		// a valid_policy of anyPolicy. This is the valid_policy_node_set.
+		$set = array();
+		if (!$this->_root) {
+			return $set;
+		}
+		// for each node in a tree
+		$this->_root->walkNodes(
+			function (PolicyNode $node) use (&$set) {
+				$parents = $node->parents();
+				// node has parents
+				if (count($parents)) {
+					// check that each ancestor is an anyPolicy node
+					foreach ($parents as $ancestor) {
+						if (!$ancestor->isAnyPolicy()) {
+							return;
+						}
+					}
+					$set[] = $node;
+				}
+			});
+		return $set;
+	}
     
-    /**
-     * Gather all children of given nodes to a flattened array.
-     *
-     * @param PolicyNode ...$nodes
-     * @return PolicyNode[]
-     */
-    private static function _gatherChildren(PolicyNode ...$nodes): array
-    {
-        $children = array();
-        foreach ($nodes as $node) {
-            $children = array_merge($children, $node->children());
-        }
-        return $children;
-    }
+	/**
+	 * Gather all children of given nodes to a flattened array.
+	 *
+	 * @param PolicyNode ...$nodes
+	 * @return PolicyNode[]
+	 */
+	private static function _gatherChildren(PolicyNode ...$nodes): array
+	{
+		$children = array();
+		foreach ($nodes as $node) {
+			$children = array_merge($children, $node->children());
+		}
+		return $children;
+	}
 }

Spacing +4 added lines, -4 removed lines

@@ -1,6 +1,6 @@ 
 <?php
 
-declare(strict_types=1);
+declare(strict_types = 1);
 
 namespace X509\CertificationPath\Policy;
 
@@ -94,7 +94,7 @@ 
         // is not in the user-initial-policy-set and is not anyPolicy,
         // delete this node and all its children.
         $valid_policy_node_set = array_filter($valid_policy_node_set,
-            function (PolicyNode $node) use ($policies) {
+            function(PolicyNode $node) use ($policies) {
                 if ($node->isAnyPolicy()) {
                     return true;
                 }
@@ -106,7 +106,7 @@ 
             });
         // array of valid policy OIDs
         $valid_policy_set = array_map(
-            function (PolicyNode $node) {
+            function(PolicyNode $node) {
                 return $node->validPolicy();
             }, $valid_policy_node_set);
         // 3. If the valid_policy_tree includes a node of depth n with
@@ -387,7 +387,7 @@ 
         }
         // for each node in a tree
         $this->_root->walkNodes(
-            function (PolicyNode $node) use (&$set) {
+            function(PolicyNode $node) use (&$set) {
                 $parents = $node->parents();
                 // node has parents
                 if (count($parents)) {