/
X509Parser.php
600 lines (573 loc) · 17.4 KB
/
X509Parser.php
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<?php
/**
* This file was developed by Nathan <nathan@webr3.org>
*
* Created: nathan - 7 May 2010 04:14:15
* Modified: SVN: $Id$
* PHP Version: 5.1.6+
*
* @package @project.name@
* @author Nathan <nathan@webr3.org>
* @version SVN: $Revision$
*/
define( 'ASN1_TYPE_UNIVERSAL' , 0 );
define( 'ASN1_TYPE_APPLICATION' , 64 );
define( 'ASN1_TYPE_CONTEXT_SPECIFIC' , 128 );
define( 'ASN1_TYPE_PRIVATE' , 192 );
define( 'ASN1_PRIMITIVE' , 0 );
define( 'ASN1_CONSTRUCTED' , 32 );
define( 'ASN1_DEBUG' , true );
/**
* X509 Decoder
*
* @package @project.name@
* @author Nathan <nathan@webr3.org>
* @version SVN: $Revision$
*/
class X509Decoder
{
private static $_OIDS = array(
'0.2.262.1.10.0' => 'extension',
'0.2.262.1.10.1.1' => 'signature',
'1.2.840.113549.1.1' => 'pkcs-1',
'1.2.840.113549.1.1.1' => 'rsaEncryption',
'1.2.840.113549.1.1.4' => 'md5withRSAEncryption',
'1.2.840.113549.1.1.5' => 'sha1withRSAEncryption',
'1.2.840.113549.1.1.6' => 'rsaOAEPEncryptionSET',
'1.2.840.113549.1.7' => 'pkcs-7',
'1.2.840.113549.1.7.1' => 'data',
'1.2.840.113549.1.7.2' => 'signedData',
'1.2.840.113549.1.7.3' => 'envelopedData',
'1.2.840.113549.1.7.4' => 'signedAndEnvelopedData',
'1.2.840.113549.1.7.5' => 'digestedData',
'1.2.840.113549.1.7.6' => 'encryptedData',
'1.2.840.113549.1.7.7' => 'dataWithAttributes',
'1.2.840.113549.1.7.8' => 'encryptedPrivateKeyInfo',
'1.2.840.113549.1.9.22.1' => 'x509Certificate(for.PKCS.#12)',
'1.2.840.113549.1.9.23.1' => 'x509Crl(for.PKCS.#12)',
'1.2.840.113549.1.9.1' => 'emailAddress',
'1.2.840.113549.1.9.3' => 'contentType',
'1.2.840.113549.1.9.4' => 'messageDigest',
'1.2.840.113549.1.9.5' => 'signingTime',
'2.16.840.1.113730.1' => 'cert-extension',
'2.16.840.1.113730.1.1' => 'netscape-cert-type',
'2.16.840.1.113730.1.12' => 'netscape-ssl-server-name',
'2.16.840.1.113730.1.13' => 'netscape-comment',
'2.16.840.1.113730.1.2' => 'netscape-base-url',
'2.16.840.1.113730.1.3' => 'netscape-revocation-url',
'2.16.840.1.113730.1.4' => 'netscape-ca-revocation-url',
'2.16.840.1.113730.1.7' => 'netscape-cert-renewal-url',
'2.16.840.1.113730.1.8' => 'netscape-ca-policy-url',
'2.23.42.0' => 'contentType',
'2.23.42.1' => 'msgExt',
'2.23.42.10' => 'national',
'2.23.42.2' => 'field',
'2.23.42.2.0' => 'fullName',
'2.23.42.2.1' => 'givenName',
'2.23.42.2.10' => 'amount',
'2.23.42.2.2' => 'familyName',
'2.23.42.2.3' => 'birthFamilyName',
'2.23.42.2.4' => 'placeName',
'2.23.42.2.5' => 'identificationNumber',
'2.23.42.2.6' => 'month',
'2.23.42.2.7' => 'date',
'2.23.42.2.7.11' => 'accountNumber',
'2.23.42.2.7.12' => 'passPhrase',
'2.23.42.2.8' => 'address',
'2.23.42.3' => 'attribute',
'2.23.42.3.0' => 'cert',
'2.23.42.3.0.0' => 'rootKeyThumb',
'2.23.42.3.0.1' => 'additionalPolicy',
'2.23.42.4' => 'algorithm',
'2.23.42.5' => 'policy',
'2.23.42.5.0' => 'root',
'2.23.42.6' => 'module',
'2.23.42.7' => 'certExt',
'2.23.42.7.0' => 'hashedRootKey',
'2.23.42.7.1' => 'certificateType',
'2.23.42.7.2' => 'merchantData',
'2.23.42.7.3' => 'cardCertRequired',
'2.23.42.7.5' => 'setExtensions',
'2.23.42.7.6' => 'setQualifier',
'2.23.42.8' => 'brand',
'2.23.42.9' => 'vendor',
'2.23.42.9.22' => 'eLab',
'2.23.42.9.31' => 'espace-net',
'2.23.42.9.37' => 'e-COMM',
'2.5.29.1' => 'authorityKeyIdentifier',
'2.5.29.10' => 'basicConstraints',
'2.5.29.11' => 'nameConstraints',
'2.5.29.12' => 'policyConstraints',
'2.5.29.13' => 'basicConstraints',
'2.5.29.14' => 'subjectKeyIdentifier',
'2.5.29.15' => 'keyUsage',
'2.5.29.16' => 'privateKeyUsagePeriod',
'2.5.29.17' => 'subjectAltName',
'2.5.29.18' => 'issuerAltName',
'2.5.29.19' => 'basicConstraints',
'2.5.29.2' => 'keyAttributes',
'2.5.29.20' => 'cRLNumber',
'2.5.29.21' => 'cRLReason',
'2.5.29.22' => 'expirationDate',
'2.5.29.23' => 'instructionCode',
'2.5.29.24' => 'invalidityDate',
'2.5.29.25' => 'cRLDistributionPoints',
'2.5.29.26' => 'issuingDistributionPoint',
'2.5.29.27' => 'deltaCRLIndicator',
'2.5.29.28' => 'issuingDistributionPoint',
'2.5.29.29' => 'certificateIssuer',
'2.5.29.3' => 'certificatePolicies',
'2.5.29.30' => 'nameConstraints',
'2.5.29.31' => 'cRLDistributionPoints',
'2.5.29.32' => 'certificatePolicies',
'2.5.29.33' => 'policyMappings',
'2.5.29.34' => 'policyConstraints',
'2.5.29.35' => 'authorityKeyIdentifier',
'2.5.29.36' => 'policyConstraints',
'2.5.29.37' => 'extKeyUsage',
'2.5.29.4' => 'keyUsageRestriction',
'2.5.29.5' => 'policyMapping',
'2.5.29.6' => 'subtreesConstraint',
'2.5.29.7' => 'subjectAltName',
'2.5.29.8' => 'issuerAltName',
'2.5.29.9' => 'subjectDirectoryAttributes',
'2.5.4.0' => 'objectClass',
'2.5.4.1' => 'aliasedEntryName',
'2.5.4.10' => 'organizationName',
'2.5.4.10.1' => 'collectiveOrganizationName',
'2.5.4.11' => 'organizationalUnitName',
'2.5.4.11.1' => 'collectiveOrganizationalUnitName',
'2.5.4.12' => 'title',
'2.5.4.13' => 'description',
'2.5.4.14' => 'searchGuide',
'2.5.4.15' => 'businessCategory',
'2.5.4.16' => 'postalAddress',
'2.5.4.16.1' => 'collectivePostalAddress',
'2.5.4.17' => 'postalCode',
'2.5.4.17.1' => 'collectivePostalCode',
'2.5.4.18' => 'postOfficeBox',
'2.5.4.18.1' => 'collectivePostOfficeBox',
'2.5.4.19' => 'physicalDeliveryOfficeName',
'2.5.4.19.1' => 'collectivePhysicalDeliveryOfficeName',
'2.5.4.2' => 'knowledgeInformation',
'2.5.4.20' => 'telephoneNumber',
'2.5.4.20.1' => 'collectiveTelephoneNumber',
'2.5.4.21' => 'telexNumber',
'2.5.4.21.1' => 'collectiveTelexNumber',
'2.5.4.22.1' => 'collectiveTeletexTerminalIdentifier',
'2.5.4.23' => 'facsimileTelephoneNumber',
'2.5.4.23.1' => 'collectiveFacsimileTelephoneNumber',
'2.5.4.25' => 'internationalISDNNumber',
'2.5.4.25.1' => 'collectiveInternationalISDNNumber',
'2.5.4.26' => 'registeredAddress',
'2.5.4.27' => 'destinationIndicator',
'2.5.4.28' => 'preferredDeliveryMehtod',
'2.5.4.29' => 'presentationAddress',
'2.5.4.3' => 'commonName',
'2.5.4.31' => 'member',
'2.5.4.32' => 'owner',
'2.5.4.33' => 'roleOccupant',
'2.5.4.34' => 'seeAlso',
'2.5.4.35' => 'userPassword',
'2.5.4.36' => 'userCertificate',
'2.5.4.37' => 'caCertificate',
'2.5.4.38' => 'authorityRevocationList',
'2.5.4.39' => 'certificateRevocationList',
'2.5.4.4' => 'surname',
'2.5.4.40' => 'crossCertificatePair',
'2.5.4.41' => 'name',
'2.5.4.42' => 'givenName',
'2.5.4.43' => 'initials',
'2.5.4.44' => 'generationQualifier',
'2.5.4.45' => 'uniqueIdentifier',
'2.5.4.46' => 'dnQualifier',
'2.5.4.47' => 'enhancedSearchGuide',
'2.5.4.48' => 'protocolInformation',
'2.5.4.49' => 'distinguishedName',
'2.5.4.5' => 'serialNumber',
'2.5.4.50' => 'uniqueMember',
'2.5.4.51' => 'houseIdentifier',
'2.5.4.52' => 'supportedAlgorithms',
'2.5.4.53' => 'deltaRevocationList',
'2.5.4.55' => 'clearance',
'2.5.4.58' => 'crossCertificatePair',
'2.5.4.6' => 'countryName',
'2.5.4.7' => 'localityName',
'2.5.4.7.1' => 'collectiveLocalityName',
'2.5.4.8' => 'stateOrProvinceName',
'2.5.4.8.1' => 'collectiveStateOrProvinceName',
'2.5.4.9' => 'streetAddress',
'2.5.4.9.1' => 'collectiveStreetAddress',
'2.5.6.0' => 'top',
'2.5.6.1' => 'alias',
'2.5.6.10' => 'residentialPerson',
'2.5.6.11' => 'applicationProcess',
'2.5.6.12' => 'applicationEntity',
'2.5.6.13' => 'dSA',
'2.5.6.14' => 'device',
'2.5.6.15' => 'strongAuthenticationUser',
'2.5.6.16' => 'certificateAuthority',
'2.5.6.17' => 'groupOfUniqueNames',
'2.5.6.2' => 'country',
'2.5.6.21' => 'pkiUser',
'2.5.6.22' => 'pkiCA',
'2.5.6.3' => 'locality',
'2.5.6.4' => 'organization',
'2.5.6.5' => 'organizationalUnit',
'2.5.6.6' => 'person',
'2.5.6.7' => 'organizationalPerson',
'2.5.6.8' => 'organizationalRole',
'2.5.6.9' => 'groupOfNames',
'2.5.8' => 'X.500-Algorithms',
'2.5.8.1' => 'X.500-Alg-Encryption',
'2.5.8.1.1' => 'rsa',
'2.54.1775.2' => 'hashedRootKey',
'2.54.1775.3' => 'certificateType',
'2.54.1775.4' => 'merchantData',
'2.54.1775.5' => 'cardCertRequired',
'2.54.1775.7' => 'setQualifier',
'2.54.1775.99' => 'set-data',
);
private static $_DECODE = array(
'subjectAltName'
);
private $unpacked;
private $decoded;
public function __construct()
{
$this->unpacked = array();
$this->decoded = array();
}
public function decode( $x509 )
{
if( strpos($x509 , 'BEGIN CERTIFICATE') ) {
// PEM Encoded
$x509 = str_replace( "-----BEGIN CERTIFICATE-----" , '' , $x509 );
$x509 = trim( str_replace( "\n-----END CERTIFICATE-----" , '' , $x509 ) );
}
if( $unpacked = base64_decode( $x509 , false ) ) {
$unpacked = str_split( $unpacked , 1 );
foreach( $unpacked as $index => $dec ) {
$unpacked[$index] = dechex( ord($dec) );
}
$this->unpacked = $unpacked;
$this->decoded = $this->parse();
return $this->getDecoded();
}
throw new InvalidArgumentException( 'X.509 Certificate must be PEM or DER encoded!' );
}
private function getDecoded()
{
$d = $this->decoded;
$cert = array(
'data' => array(
'version' => $d[0][0],
'serial-number' => $d[0][1],
'algorithm' => $d[0][2][0],
'issuer' => $d[0][3][0],
'validity' => $d[0][4],
'subject' => $d[0][5][0],
'public-key' => array(
'algorithm' => $d[0][6][0][0],
'rsa-public-key' => $d[0][6][1],
),
),
'signature' => array(
'algorithm' => $d[1][0],
'signature' => $d[2],
),
);
$this->unpacked = explode(' ' , $cert['data']['public-key']['rsa-public-key'] );
$pkey = $this->parse();
$cert['data']['public-key']['rsa-public-key'] = array(
'modulus' => $pkey[0],
'exponent' => $pkey[1],
);
print_r($d);
if( isset($d[0][7]) && !count($d[0][7]) ) {
unset($d[0][7]);
}
if( isset($d[0][7]) && count($d[0][7]) ) {
if( count($d[0][7]) == 1 && count($d[0][7][0]) > 1 ) {
$d[0][7] = $d[0][7][0];
}
$extensions = array();
foreach( $d[0][7] as $index => $extension ) {
$key = array_shift($extension);
if( in_array( $key , self::$_DECODE ) ) {
$this->unpacked = explode(' ' , $extension[0] );
$extension = $this->parse( true );
}
$extensions[ $key ] = $extension;
}
$cert['data']['extensions'] = $extensions;
}
print_r( $cert );
return $cert;
}
private function getBit( $dec=TRUE )
{
$bit = array_shift($this->unpacked);
return $dec ? hexdec($bit) : $bit;
}
private function parse( $trace=false )
{
$identifier = $this->getBit( FALSE );
if( $identifier == 0 ) {
$identifier = $this->getBit( FALSE );
}
$checker = hexdec($identifier);
$type = ASN1_TYPE_UNIVERSAL;
$constructed = FALSE;
if( $checker >= ASN1_TYPE_PRIVATE ) {
$type = ASN1_TYPE_PRIVATE;
} elseif( $checker >= ASN1_TYPE_CONTEXT_SPECIFIC ) {
$type = ASN1_TYPE_CONTEXT_SPECIFIC;
} elseif( $checker >= ASN1_TYPE_APPLICATION ) {
$type = ASN1_TYPE_APPLICATION;
}
if( $checker & ASN1_CONSTRUCTED ) {
$constructed = TRUE;
}
$ddd = false;
if( !($type == ASN1_TYPE_CONTEXT_SPECIFIC && $constructed === FALSE) ) {
$identifier = $this->getIdentifier( $identifier );
}
if( ASN1_DEBUG ) echo 'identifier: ' . $identifier . PHP_EOL;
$length = $this->readLength( !($constructed == TRUE && $type == ASN1_TYPE_CONTEXT_SPECIFIC) );
if( ASN1_DEBUG ) echo 'Length: ' . $length . PHP_EOL;
$start = count( $this->unpacked );
$end = $start - $length;
if( ($constructed == TRUE && $type == ASN1_TYPE_PRIVATE) || (!$trace && !$constructed && $type == ASN1_TYPE_CONTEXT_SPECIFIC) ) {
if( ASN1_DEBUG ) echo 'cont[ ' . ($checker&~224) . ' ]' . PHP_EOL;
$val = array();
while( count($this->unpacked) > $end ) {
$val[] = $this->parse( $trace );
}
} else if( $constructed == TRUE && $type == ASN1_TYPE_UNIVERSAL && $length == 48 ) {
$continue = TRUE;
if( ASN1_DEBUG ) echo PHP_EOL . PHP_EOL . 'STARTING SET' . PHP_EOL;
$val = array();
while( $continue ) {
$offset = $this->readLength();
$end = count($this->unpacked)-$offset;
while( count($this->unpacked) > $end ) {
if( $this->unpacked[0] == '6' ) {
$val[$this->parse($trace)] = $this->parse($trace);
} else {
$val[] = $this->parse($trace);
}
}
$bits = $this->unpacked;
$ignore = $this->getBit();
$ignore = $this->getIdentifier( $ignore );
$checklen = $this->readLength();
if( $checklen != $length ) {
if( ASN1_DEBUG ) echo 'ENDING SET' . PHP_EOL . PHP_EOL;
$continue = false;
$this->unpacked = $bits;
} else {
if( ASN1_DEBUG ) echo PHP_EOL . 'NEXT SET ELEMENT (' . $ignore . ')' . PHP_EOL;
}
}
} else {
switch( $identifier )
{
case '0': // bool
print_r( $this->unpacked );
break;
case 'FF':
$val = (bool)$identifier;
if( ASN1_DEBUG ) var_dump( $val );
break;
case '2': // integer
$val = $this->readInteger( $length );
if( ASN1_DEBUG ) var_dump( $val );
break;
case '3': // BITSTRING
$val = $this->readBitString( $length );
if( ASN1_DEBUG ) var_dump( $val );
break;
case '4': // OCTET STRING
$val = $this->readOctetString( $length );
if( ASN1_DEBUG ) var_dump( $val );
break;
case '5': // integer
$val = NULL;
if( ASN1_DEBUG ) var_dump( $val );
break;
case '6': // OBJECT
$val = $this->readObjectIdentifier( $length );
if( ASN1_DEBUG ) var_dump( $val );
break;
case '13': // PrintableString
$val = $this->readString( $length ); // get set length
if( ASN1_DEBUG ) var_dump( $val );
break;
case '15': // ISO646String
$val = $this->readString( $length ); // get set length
if( ASN1_DEBUG ) var_dump( $val );
break;
case '16': // IA5String
$val = $this->readString( $length ); // get set length
if( ASN1_DEBUG ) var_dump( $val );
break;
case '17': // UTCTIME
$val = $this->readString( $length ); // get set length
if( ASN1_DEBUG ) var_dump( $val );
break;
case '30': // SEQUENCE
$val = array();
if($trace && ASN1_DEBUG) print_r( $this->unpacked );
while( count($this->unpacked) > $end ) {
if($trace && ASN1_DEBUG) print_r( $this->unpacked );
$val[] = $this->parse( $trace );
}
break;
// EXTENSIONS (subjectAltName)
case '81':
$val = 'email:' . $this->readString( $length );
if( ASN1_DEBUG ) var_dump( $val );
break;
case '82':
$val = 'DNS:' . $this->readString( $length );
if( ASN1_DEBUG ) var_dump( $val );
break;
case '86':
$val = 'URI:' . $this->readString( $length );
if( ASN1_DEBUG ) var_dump( $val );
break;
case '87':
$val = 'IP:' . $this->readIPAddress( $length );
if( ASN1_DEBUG ) var_dump( $val );
break;
default:
for( $c=0;$c<$length;$c++ ) {
$this->getBit( FALSE ); // throw away bits so we can keep going
}
if( ASN1_DEBUG ) {
print_r(
array(
'identifier' => $identifier,
'length' => $length,
'type' => $type,
'constructed' => $constructed,
)
);
}
break;
}
}
return $val;
}
private function getIdentifier( $identifier )
{
$endOctet = FALSE;
if( $identifier >= 31 ) {
$identifierOctets = array();
while( $endOctet === FALSE ) {
$identifier = $this->getBit( FALSE );
$identifierOctets[] = $identifier;
if( hexdec($identifier) < 128 ) {
$endOctet = TRUE;
}
}
$identifier = implode( '.' , $identifierOctets );
}
return $identifier;
}
private function readString( $length )
{
$s = '';
for( $i=0; $i<$length; $i++ ) {
$s .= chr( $this->getBit( TRUE ) );
}
return $s;
}
private function readBitString( $length )
{
$s = '';
for( $i=0; $i<$length; $i++ ) {
$s .= $this->getBit( FALSE ) . ' ';
}
return $s;
}
private function readOctetString( $length )
{
$s = '';
for( $i=0; $i<$length; $i++ ) {
$s .= $this->getBit( FALSE ) . ' ';
}
return $s;
}
private function readIPAddress( $length )
{
$s = array();
for( $i=0; $i<$length; $i++ ) {
$s[] = chr( $this->getBit( TRUE ) );
}
return implode('.' , $s);
}
private function readLength()
{
$length = $this->getBit();
if( ($length & 128) && $length < 132 ) {
$lengthBits = $length-128;
$lengthOctets = array();
for( $i=0; $i<$lengthBits; $i++ ) {
$lengthOctets[] = sprintf( '%08b', $this->getBit() );
}
$length = bindec(implode('', $lengthOctets ));
}
return $length;
}
private function readInteger( $length )
{
if( $length < 5 ) {
$integer = array();
for( $i=0; $i<$length; $i++ ) {
$integer[] = sprintf( '%08b', $this->getBit() );
}
return bindec(implode('', $integer ));
}
$integer = array();
for( $i=0; $i<$length; $i++ ) {
$integer[] = sprintf( '%02X', $this->getBit() );
}
while( $integer[0] == '00' ) {
array_shift($integer);
}
return implode( '' , $integer );
}
private function readObjectIdentifier( $length )
{
$objectIdentifier = array();
$octetOne = $this->getBit();
$objectIdentifier[] = floor( $octetOne / 40 );
$objectIdentifier[] = $octetOne%40;
$i = 1;
while( $i<$length ) {
$continue = TRUE;
$subIdentifier = array();
while( $continue ) {
$nextOctet = $this->getBit();
$i++;
if( $nextOctet & 128 ) {
$nextOctet -= 128;
} else {
$continue = FALSE;
}
$subIdentifier[] = sprintf( '%07b', $nextOctet );
}
$objectIdentifier[] = bindec(implode('', $subIdentifier ));
}
return $this->objectID( implode( '.', $objectIdentifier ) );
}
private function objectID( $oid )
{
if( isset( self::$_OIDS[$oid] ) ) {
return self::$_OIDS[$oid];
}
return $oid;
}
}