3 files changed, 197 insertions, 0 deletions
diff --git a/vendor/fgrosse/phpasn1/lib/X509/SAN/DNSName.php b/vendor/fgrosse/phpasn1/lib/X509/SAN/DNSName.php
new file mode 100644
index 0000000..502738b
--- /dev/null
+++ b/vendor/fgrosse/phpasn1/lib/X509/SAN/DNSName.php
@@ -0,0 +1,28 @@
+<?php
+/*
+ * This file is part of the PHPASN1 library.
+ *
+ * Copyright © Friedrich Große <friedrich.grosse@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace FG\X509\SAN;
+
+use FG\ASN1\Universal\GeneralString;
+
+class DNSName extends GeneralString
+{
+    const IDENTIFIER = 0x82; // not sure yet why this is the identifier used in SAN extensions
+
+    public function __construct($dnsNameString)
+    {
+        parent::__construct($dnsNameString);
+    }
+
+    public function getType()
+    {
+        return self::IDENTIFIER;
+    }
+}
diff --git a/vendor/fgrosse/phpasn1/lib/X509/SAN/IPAddress.php b/vendor/fgrosse/phpasn1/lib/X509/SAN/IPAddress.php
new file mode 100644
index 0000000..f55be95
--- /dev/null
+++ b/vendor/fgrosse/phpasn1/lib/X509/SAN/IPAddress.php
@@ -0,0 +1,73 @@
+<?php
+/*
+ * This file is part of the PHPASN1 library.
+ *
+ * Copyright © Friedrich Große <friedrich.grosse@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace FG\X509\SAN;
+
+use FG\ASN1\ASNObject;
+use FG\ASN1\Parsable;
+use FG\ASN1\Exception\ParserException;
+
+class IPAddress extends ASNObject implements Parsable
+{
+    const IDENTIFIER = 0x87; // not sure yet why this is the identifier used in SAN extensions
+
+    /** @var string */
+    private $value;
+
+    public function __construct($ipAddressString)
+    {
+        $this->value = $ipAddressString;
+    }
+
+    public function getType()
+    {
+        return self::IDENTIFIER;
+    }
+
+    public function getContent()
+    {
+        return $this->value;
+    }
+
+    protected function calculateContentLength()
+    {
+        return 4;
+    }
+
+    protected function getEncodedValue()
+    {
+        $ipParts = explode('.', $this->value);
+        $binary  = chr($ipParts[0]);
+        $binary .= chr($ipParts[1]);
+        $binary .= chr($ipParts[2]);
+        $binary .= chr($ipParts[3]);
+
+        return $binary;
+    }
+
+    public static function fromBinary(&$binaryData, &$offsetIndex = 0)
+    {
+        self::parseIdentifier($binaryData[$offsetIndex], self::IDENTIFIER, $offsetIndex++);
+        $contentLength = self::parseContentLength($binaryData, $offsetIndex);
+        if ($contentLength != 4) {
+            throw new ParserException("A FG\\X509\SAN\IPAddress should have a content length of 4. Extracted length was {$contentLength}", $offsetIndex);
+        }
+
+        $ipAddressString = ord($binaryData[$offsetIndex++]).'.';
+        $ipAddressString .= ord($binaryData[$offsetIndex++]).'.';
+        $ipAddressString .= ord($binaryData[$offsetIndex++]).'.';
+        $ipAddressString .= ord($binaryData[$offsetIndex++]);
+
+        $parsedObject = new self($ipAddressString);
+        $parsedObject->getObjectLength();
+
+        return $parsedObject;
+    }
+}
diff --git a/vendor/fgrosse/phpasn1/lib/X509/SAN/SubjectAlternativeNames.php b/vendor/fgrosse/phpasn1/lib/X509/SAN/SubjectAlternativeNames.php
new file mode 100644
index 0000000..271ddde
--- /dev/null
+++ b/vendor/fgrosse/phpasn1/lib/X509/SAN/SubjectAlternativeNames.php
@@ -0,0 +1,96 @@
+<?php
+/*
+ * This file is part of the PHPASN1 library.
+ *
+ * Copyright © Friedrich Große <friedrich.grosse@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace FG\X509\SAN;
+
+use FG\ASN1\Exception\ParserException;
+use FG\ASN1\ASNObject;
+use FG\ASN1\OID;
+use FG\ASN1\Parsable;
+use FG\ASN1\Identifier;
+use FG\ASN1\Universal\Sequence;
+
+/**
+ * See section 8.3.2.1 of ITU-T X.509.
+ */
+class SubjectAlternativeNames extends ASNObject implements Parsable
+{
+    private $alternativeNamesSequence;
+
+    public function __construct()
+    {
+        $this->alternativeNamesSequence = new Sequence();
+    }
+
+    protected function calculateContentLength()
+    {
+        return $this->alternativeNamesSequence->getObjectLength();
+    }
+
+    public function getType()
+    {
+        return Identifier::OCTETSTRING;
+    }
+
+    public function addDomainName(DNSName $domainName)
+    {
+        $this->alternativeNamesSequence->addChild($domainName);
+    }
+
+    public function addIP(IPAddress $ip)
+    {
+        $this->alternativeNamesSequence->addChild($ip);
+    }
+
+    public function getContent()
+    {
+        return $this->alternativeNamesSequence->getContent();
+    }
+
+    protected function getEncodedValue()
+    {
+        return $this->alternativeNamesSequence->getBinary();
+    }
+
+    public static function fromBinary(&$binaryData, &$offsetIndex = 0)
+    {
+        self::parseIdentifier($binaryData[$offsetIndex], Identifier::OCTETSTRING, $offsetIndex++);
+        $contentLength = self::parseContentLength($binaryData, $offsetIndex);
+
+        if ($contentLength < 2) {
+            throw new ParserException('Can not parse Subject Alternative Names: The Sequence within the octet string after the Object identifier '.OID::CERT_EXT_SUBJECT_ALT_NAME." is too short ({$contentLength} octets)", $offsetIndex);
+        }
+
+        $offsetOfSequence = $offsetIndex;
+        $sequence = Sequence::fromBinary($binaryData, $offsetIndex);
+        $offsetOfSequence += $sequence->getNumberOfLengthOctets() + 1;
+
+        if ($sequence->getObjectLength() != $contentLength) {
+            throw new ParserException('Can not parse Subject Alternative Names: The Sequence length does not match the length of the surrounding octet string', $offsetIndex);
+        }
+
+        $parsedObject = new self();
+        /** @var \FG\ASN1\ASNObject $object */
+        foreach ($sequence as $object) {
+            if ($object->getType() == DNSName::IDENTIFIER) {
+                $domainName = DNSName::fromBinary($binaryData, $offsetOfSequence);
+                $parsedObject->addDomainName($domainName);
+            } elseif ($object->getType() == IPAddress::IDENTIFIER) {
+                $ip = IPAddress::fromBinary($binaryData, $offsetOfSequence);
+                $parsedObject->addIP($ip);
+            } else {
+                throw new ParserException('Could not parse Subject Alternative Name: Only DNSName and IP SANs are currently supported', $offsetIndex);
+            }
+        }
+
+        $parsedObject->getBinary(); // Determine the number of content octets and object sizes once (just to let the equality unit tests pass :/ )
+        return $parsedObject;
+    }
+}