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-rw-r--r--vendor/web-token/jwt-key-mgmt/KeyConverter/ECKey.php546
1 files changed, 273 insertions, 273 deletions
diff --git a/vendor/web-token/jwt-key-mgmt/KeyConverter/ECKey.php b/vendor/web-token/jwt-key-mgmt/KeyConverter/ECKey.php
index 4ab0090..586a24e 100644
--- a/vendor/web-token/jwt-key-mgmt/KeyConverter/ECKey.php
+++ b/vendor/web-token/jwt-key-mgmt/KeyConverter/ECKey.php
@@ -1,273 +1,273 @@
-<?php
-
-declare(strict_types=1);
-
-/*
- * The MIT License (MIT)
- *
- * Copyright (c) 2014-2018 Spomky-Labs
- *
- * This software may be modified and distributed under the terms
- * of the MIT license. See the LICENSE file for details.
- */
-
-namespace Jose\Component\KeyManagement\KeyConverter;
-
-use Base64Url\Base64Url;
-use FG\ASN1\ASNObject;
-use FG\ASN1\ExplicitlyTaggedObject;
-use FG\ASN1\Universal\BitString;
-use FG\ASN1\Universal\Integer;
-use FG\ASN1\Universal\ObjectIdentifier;
-use FG\ASN1\Universal\OctetString;
-use FG\ASN1\Universal\Sequence;
-
-/**
- * @internal
- */
-class ECKey
-{
- /**
- * @var array
- */
- private $values = [];
-
- /**
- * ECKey constructor.
- */
- private function __construct(array $data)
- {
- $this->loadJWK($data);
- }
-
- /**
- * @return ECKey
- */
- public static function createFromPEM(string $pem): self
- {
- $data = self::loadPEM($pem);
-
- return new self($data);
- }
-
- /**
- * @throws \Exception
- */
- private static function loadPEM(string $data): array
- {
- $data = \base64_decode(\preg_replace('#-.*-|\r|\n#', '', $data), true);
- $asnObject = ASNObject::fromBinary($data);
-
- if (!$asnObject instanceof Sequence) {
- throw new \InvalidArgumentException('Unable to load the key.');
- }
- $children = $asnObject->getChildren();
- if (self::isPKCS8($children)) {
- $children = self::loadPKCS8($children);
- }
-
- if (4 === \count($children)) {
- return self::loadPrivatePEM($children);
- }
- if (2 === \count($children)) {
- return self::loadPublicPEM($children);
- }
-
- throw new \Exception('Unable to load the key.');
- }
-
- /**
- * @param ASNObject[] $children
- */
- private static function loadPKCS8(array $children): array
- {
- $binary = \hex2bin($children[2]->getContent());
- $asnObject = ASNObject::fromBinary($binary);
- if (!$asnObject instanceof Sequence) {
- throw new \InvalidArgumentException('Unable to load the key.');
- }
-
- return $asnObject->getChildren();
- }
-
- /**
- * @param ASNObject[] $children
- */
- private static function loadPublicPEM(array $children): array
- {
- if (!$children[0] instanceof Sequence) {
- throw new \InvalidArgumentException('Unsupported key type.');
- }
-
- $sub = $children[0]->getChildren();
- if (!$sub[0] instanceof ObjectIdentifier) {
- throw new \InvalidArgumentException('Unsupported key type.');
- }
- if ('1.2.840.10045.2.1' !== $sub[0]->getContent()) {
- throw new \InvalidArgumentException('Unsupported key type.');
- }
- if (!$sub[1] instanceof ObjectIdentifier) {
- throw new \InvalidArgumentException('Unsupported key type.');
- }
- if (!$children[1] instanceof BitString) {
- throw new \InvalidArgumentException('Unable to load the key.');
- }
-
- $bits = $children[1]->getContent();
- $bits_length = \mb_strlen($bits, '8bit');
- if ('04' !== \mb_substr($bits, 0, 2, '8bit')) {
- throw new \InvalidArgumentException('Unsupported key type');
- }
-
- $values = ['kty' => 'EC'];
- $values['crv'] = self::getCurve($sub[1]->getContent());
- $values['x'] = Base64Url::encode(\hex2bin(\mb_substr($bits, 2, ($bits_length - 2) / 2, '8bit')));
- $values['y'] = Base64Url::encode(\hex2bin(\mb_substr($bits, ($bits_length - 2) / 2 + 2, ($bits_length - 2) / 2, '8bit')));
-
- return $values;
- }
-
- private static function getCurve(string $oid): string
- {
- $curves = self::getSupportedCurves();
- $curve = \array_search($oid, $curves, true);
- if (!\is_string($curve)) {
- throw new \InvalidArgumentException('Unsupported OID.');
- }
-
- return $curve;
- }
-
- private static function getSupportedCurves(): array
- {
- return [
- 'P-256' => '1.2.840.10045.3.1.7',
- 'P-384' => '1.3.132.0.34',
- 'P-521' => '1.3.132.0.35',
- ];
- }
-
- private static function verifyVersion(ASNObject $children)
- {
- if (!$children instanceof Integer || '1' !== $children->getContent()) {
- throw new \InvalidArgumentException('Unable to load the key.');
- }
- }
-
- private static function getXAndY(ASNObject $children, ?string &$x, ?string &$y)
- {
- if (!$children instanceof ExplicitlyTaggedObject || !\is_array($children->getContent())) {
- throw new \InvalidArgumentException('Unable to load the key.');
- }
- if (!$children->getContent()[0] instanceof BitString) {
- throw new \InvalidArgumentException('Unable to load the key.');
- }
-
- $bits = $children->getContent()[0]->getContent();
- $bits_length = \mb_strlen($bits, '8bit');
-
- if ('04' !== \mb_substr($bits, 0, 2, '8bit')) {
- throw new \InvalidArgumentException('Unsupported key type');
- }
-
- $x = \mb_substr($bits, 2, ($bits_length - 2) / 2, '8bit');
- $y = \mb_substr($bits, ($bits_length - 2) / 2 + 2, ($bits_length - 2) / 2, '8bit');
- }
-
- private static function getD(ASNObject $children): string
- {
- if (!$children instanceof OctetString) {
- throw new \InvalidArgumentException('Unable to load the key.');
- }
-
- return $children->getContent();
- }
-
- private static function loadPrivatePEM(array $children): array
- {
- self::verifyVersion($children[0]);
- $x = null;
- $y = null;
- $d = self::getD($children[1]);
- self::getXAndY($children[3], $x, $y);
-
- if (!$children[2] instanceof ExplicitlyTaggedObject || !\is_array($children[2]->getContent())) {
- throw new \InvalidArgumentException('Unable to load the key.');
- }
- if (!$children[2]->getContent()[0] instanceof ObjectIdentifier) {
- throw new \InvalidArgumentException('Unable to load the key.');
- }
-
- $curve = $children[2]->getContent()[0]->getContent();
-
- $values = ['kty' => 'EC'];
- $values['crv'] = self::getCurve($curve);
- $values['d'] = Base64Url::encode(\hex2bin($d));
- $values['x'] = Base64Url::encode(\hex2bin($x));
- $values['y'] = Base64Url::encode(\hex2bin($y));
-
- return $values;
- }
-
- /**
- * @param ASNObject[] $children
- */
- private static function isPKCS8(array $children): bool
- {
- if (3 !== \count($children)) {
- return false;
- }
-
- $classes = [0 => Integer::class, 1 => Sequence::class, 2 => OctetString::class];
- foreach ($classes as $k => $class) {
- if (!$children[$k] instanceof $class) {
- return false;
- }
- }
-
- return true;
- }
-
- /**
- * @param ECKey $private
- *
- * @return ECKey
- */
- public static function toPublic(self $private): self
- {
- $data = $private->toArray();
- if (\array_key_exists('d', $data)) {
- unset($data['d']);
- }
-
- return new self($data);
- }
-
- /**
- * @return array
- */
- public function toArray()
- {
- return $this->values;
- }
-
- private function loadJWK(array $jwk)
- {
- $keys = [
- 'kty' => 'The key parameter "kty" is missing.',
- 'crv' => 'Curve parameter is missing',
- 'x' => 'Point parameters are missing.',
- 'y' => 'Point parameters are missing.',
- ];
- foreach ($keys as $k => $v) {
- if (!\array_key_exists($k, $jwk)) {
- throw new \InvalidArgumentException($v);
- }
- }
-
- if ('EC' !== $jwk['kty']) {
- throw new \InvalidArgumentException('JWK is not an Elliptic Curve key.');
- }
- $this->values = $jwk;
- }
-}
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2018 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license. See the LICENSE file for details.
+ */
+
+namespace Jose\Component\KeyManagement\KeyConverter;
+
+use Base64Url\Base64Url;
+use FG\ASN1\ASNObject;
+use FG\ASN1\ExplicitlyTaggedObject;
+use FG\ASN1\Universal\BitString;
+use FG\ASN1\Universal\Integer;
+use FG\ASN1\Universal\ObjectIdentifier;
+use FG\ASN1\Universal\OctetString;
+use FG\ASN1\Universal\Sequence;
+
+/**
+ * @internal
+ */
+class ECKey
+{
+ /**
+ * @var array
+ */
+ private $values = [];
+
+ /**
+ * ECKey constructor.
+ */
+ private function __construct(array $data)
+ {
+ $this->loadJWK($data);
+ }
+
+ /**
+ * @return ECKey
+ */
+ public static function createFromPEM(string $pem): self
+ {
+ $data = self::loadPEM($pem);
+
+ return new self($data);
+ }
+
+ /**
+ * @throws \Exception
+ */
+ private static function loadPEM(string $data): array
+ {
+ $data = \base64_decode(\preg_replace('#-.*-|\r|\n#', '', $data), true);
+ $asnObject = ASNObject::fromBinary($data);
+
+ if (!$asnObject instanceof Sequence) {
+ throw new \InvalidArgumentException('Unable to load the key.');
+ }
+ $children = $asnObject->getChildren();
+ if (self::isPKCS8($children)) {
+ $children = self::loadPKCS8($children);
+ }
+
+ if (4 === \count($children)) {
+ return self::loadPrivatePEM($children);
+ }
+ if (2 === \count($children)) {
+ return self::loadPublicPEM($children);
+ }
+
+ throw new \Exception('Unable to load the key.');
+ }
+
+ /**
+ * @param ASNObject[] $children
+ */
+ private static function loadPKCS8(array $children): array
+ {
+ $binary = \hex2bin($children[2]->getContent());
+ $asnObject = ASNObject::fromBinary($binary);
+ if (!$asnObject instanceof Sequence) {
+ throw new \InvalidArgumentException('Unable to load the key.');
+ }
+
+ return $asnObject->getChildren();
+ }
+
+ /**
+ * @param ASNObject[] $children
+ */
+ private static function loadPublicPEM(array $children): array
+ {
+ if (!$children[0] instanceof Sequence) {
+ throw new \InvalidArgumentException('Unsupported key type.');
+ }
+
+ $sub = $children[0]->getChildren();
+ if (!$sub[0] instanceof ObjectIdentifier) {
+ throw new \InvalidArgumentException('Unsupported key type.');
+ }
+ if ('1.2.840.10045.2.1' !== $sub[0]->getContent()) {
+ throw new \InvalidArgumentException('Unsupported key type.');
+ }
+ if (!$sub[1] instanceof ObjectIdentifier) {
+ throw new \InvalidArgumentException('Unsupported key type.');
+ }
+ if (!$children[1] instanceof BitString) {
+ throw new \InvalidArgumentException('Unable to load the key.');
+ }
+
+ $bits = $children[1]->getContent();
+ $bits_length = \mb_strlen($bits, '8bit');
+ if ('04' !== \mb_substr($bits, 0, 2, '8bit')) {
+ throw new \InvalidArgumentException('Unsupported key type');
+ }
+
+ $values = ['kty' => 'EC'];
+ $values['crv'] = self::getCurve($sub[1]->getContent());
+ $values['x'] = Base64Url::encode(\hex2bin(\mb_substr($bits, 2, ($bits_length - 2) / 2, '8bit')));
+ $values['y'] = Base64Url::encode(\hex2bin(\mb_substr($bits, ($bits_length - 2) / 2 + 2, ($bits_length - 2) / 2, '8bit')));
+
+ return $values;
+ }
+
+ private static function getCurve(string $oid): string
+ {
+ $curves = self::getSupportedCurves();
+ $curve = \array_search($oid, $curves, true);
+ if (!\is_string($curve)) {
+ throw new \InvalidArgumentException('Unsupported OID.');
+ }
+
+ return $curve;
+ }
+
+ private static function getSupportedCurves(): array
+ {
+ return [
+ 'P-256' => '1.2.840.10045.3.1.7',
+ 'P-384' => '1.3.132.0.34',
+ 'P-521' => '1.3.132.0.35',
+ ];
+ }
+
+ private static function verifyVersion(ASNObject $children)
+ {
+ if (!$children instanceof Integer || '1' !== $children->getContent()) {
+ throw new \InvalidArgumentException('Unable to load the key.');
+ }
+ }
+
+ private static function getXAndY(ASNObject $children, ?string &$x, ?string &$y)
+ {
+ if (!$children instanceof ExplicitlyTaggedObject || !\is_array($children->getContent())) {
+ throw new \InvalidArgumentException('Unable to load the key.');
+ }
+ if (!$children->getContent()[0] instanceof BitString) {
+ throw new \InvalidArgumentException('Unable to load the key.');
+ }
+
+ $bits = $children->getContent()[0]->getContent();
+ $bits_length = \mb_strlen($bits, '8bit');
+
+ if ('04' !== \mb_substr($bits, 0, 2, '8bit')) {
+ throw new \InvalidArgumentException('Unsupported key type');
+ }
+
+ $x = \mb_substr($bits, 2, ($bits_length - 2) / 2, '8bit');
+ $y = \mb_substr($bits, ($bits_length - 2) / 2 + 2, ($bits_length - 2) / 2, '8bit');
+ }
+
+ private static function getD(ASNObject $children): string
+ {
+ if (!$children instanceof OctetString) {
+ throw new \InvalidArgumentException('Unable to load the key.');
+ }
+
+ return $children->getContent();
+ }
+
+ private static function loadPrivatePEM(array $children): array
+ {
+ self::verifyVersion($children[0]);
+ $x = null;
+ $y = null;
+ $d = self::getD($children[1]);
+ self::getXAndY($children[3], $x, $y);
+
+ if (!$children[2] instanceof ExplicitlyTaggedObject || !\is_array($children[2]->getContent())) {
+ throw new \InvalidArgumentException('Unable to load the key.');
+ }
+ if (!$children[2]->getContent()[0] instanceof ObjectIdentifier) {
+ throw new \InvalidArgumentException('Unable to load the key.');
+ }
+
+ $curve = $children[2]->getContent()[0]->getContent();
+
+ $values = ['kty' => 'EC'];
+ $values['crv'] = self::getCurve($curve);
+ $values['d'] = Base64Url::encode(\hex2bin($d));
+ $values['x'] = Base64Url::encode(\hex2bin($x));
+ $values['y'] = Base64Url::encode(\hex2bin($y));
+
+ return $values;
+ }
+
+ /**
+ * @param ASNObject[] $children
+ */
+ private static function isPKCS8(array $children): bool
+ {
+ if (3 !== \count($children)) {
+ return false;
+ }
+
+ $classes = [0 => Integer::class, 1 => Sequence::class, 2 => OctetString::class];
+ foreach ($classes as $k => $class) {
+ if (!$children[$k] instanceof $class) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ /**
+ * @param ECKey $private
+ *
+ * @return ECKey
+ */
+ public static function toPublic(self $private): self
+ {
+ $data = $private->toArray();
+ if (\array_key_exists('d', $data)) {
+ unset($data['d']);
+ }
+
+ return new self($data);
+ }
+
+ /**
+ * @return array
+ */
+ public function toArray()
+ {
+ return $this->values;
+ }
+
+ private function loadJWK(array $jwk)
+ {
+ $keys = [
+ 'kty' => 'The key parameter "kty" is missing.',
+ 'crv' => 'Curve parameter is missing',
+ 'x' => 'Point parameters are missing.',
+ 'y' => 'Point parameters are missing.',
+ ];
+ foreach ($keys as $k => $v) {
+ if (!\array_key_exists($k, $jwk)) {
+ throw new \InvalidArgumentException($v);
+ }
+ }
+
+ if ('EC' !== $jwk['kty']) {
+ throw new \InvalidArgumentException('JWK is not an Elliptic Curve key.');
+ }
+ $this->values = $jwk;
+ }
+}