public function getObject()
{
// setup of full message
$content = $this->getHeaders(true) . "\n\n";
$content .= file_get_contents($this->getPath());
$input = Adapter::getTempFilename();
file_put_contents($input, $content);
// setup of mailmime decoder
$params = array('include_bodies' => false, 'decode_headers' => true, 'decode_bodies' => false, 'input' => false);
$decoder = new Mail_mimeDecode(file_get_contents($input));
$structure = $decoder->decode($params);
$mimetype = $structure->ctype_primary . '/' . $structure->ctype_secondary;
// handle crypted content
$crypted = false;
if (strtolower($mimetype) == 'application/pkcs7-mime') {
try {
// rewrite message into base64 encoding
$content = file_get_contents($input);
$mime_part = Horde_MIME_Structure::parseTextMIMEMessage($content);
$input = Adapter::getTempFilename();
file_put_contents($input, $mime_part->toString(true));
$this->eventDispatcher->dispatch('log', new Log(Log::TYPE_INFO, 'AS2 message is encrypted.'));
$input = $this->adapter->decrypt($input);
$this->eventDispatcher->dispatch('log', new Log(Log::TYPE_INFO, 'The data has been decrypted using the key "' . $this->getPartnerTo() . '".'));
$crypted = true;
// reload extracted content to get mimetype
$decoder = new Mail_mimeDecode(file_get_contents($input));
$structure = $decoder->decode($params);
$mimetype = $structure->ctype_primary . '/' . $structure->ctype_secondary;
} catch (Exception $e) {
throw new AS2Exception($e->getMessage(), 3);
}
}
// handle signed content
$signed = false;
$mic = false;
if (strtolower($mimetype) == 'multipart/signed') {
try {
$this->eventDispatcher->dispatch('log', new Log(Log::TYPE_INFO, 'AS2 message is signed.'));
// get MicChecksum from signature
$mic = $this->adapter->getMicChecksum($input);
$input = $this->adapter->verify($input);
$signed = true;
$this->eventDispatcher->dispatch('log', new Log(Log::TYPE_INFO, 'The sender used the algorithm "' . $structure->ctype_parameters['micalg'] . '" to sign the message.'));
// reload extracted content to get mimetype
$decoder = new Mail_mimeDecode(file_get_contents($input));
$structure = $decoder->decode($params);
$mimetype = $structure->ctype_primary . '/' . $structure->ctype_secondary;
$this->eventDispatcher->dispatch('log', new Log(Log::TYPE_INFO, 'Using certificate "' . $this->getPartnerFrom() . '" to verify signature.'));
} catch (Exception $e) {
throw new AS2Exception($e->getMessage(), 5);
}
} else {
// check requested algo
$mic = Adapter::calculateMicChecksum($input, 'sha1');
}
// security check
if (strtolower($mimetype) == 'multipart/report') {
// check about sign
/*if ($this->getPartnerFrom()->sec_signature_algorithm == Partner::SIGN_NONE && !$this->getPartnerFrom()->mdn_signed && $signed){
throw new AS2Exception('AS2 message is signed and shouldn\'t be.', 4);
}
else*/
if ($this->getPartnerFrom()->sec_signature_algorithm != Partner::SIGN_NONE && $this->getPartnerFrom()->mdn_signed && !$signed) {
throw new AS2Exception('AS2 message is not signed and should be.', 4);
}
} else {
// check about crypt
/*if ($this->getPartnerFrom()->sec_encrypt_algorithm == Partner::CRYPT_NONE && $crypted){
throw new AS2Exception('AS2 message is crypted and shouldn\'t be.', 4);
}
else*/
if ($this->getPartnerFrom()->sec_encrypt_algorithm != Partner::CRYPT_NONE && !$crypted) {
throw new AS2Exception('AS2 message is not crypted and should be.', 4);
}
// check about sign
/*if ($this->getPartnerFrom()->sec_signature_algorithm == Partner::SIGN_NONE && $signed){
throw new AS2Exception('AS2 message is signed and shouldn\'t be.', 4);
}
else*/
if ($this->getPartnerFrom()->sec_signature_algorithm != Partner::SIGN_NONE && !$signed) {
throw new AS2Exception('AS2 message is not signed and should be.', 4);
}
}
try {
// build object with extracted content
$message = file_get_contents($input);
$mime_part = Horde_MIME_Structure::parseTextMIMEMessage($message);
switch (strtolower($mimetype)) {
case 'multipart/report':
$params = array('partner_from' => $this->getPartnerTo(), 'partner_to' => $this->getPartnerFrom(), 'is_file' => false, 'mic' => $mic);
$object = $this->mdnFactory->build($mime_part, $params);
return $object;
default:
$params = array('partner_from' => $this->getPartnerFrom(), 'partner_to' => $this->getPartnerTo(), 'is_file' => false, 'mic' => $mic);
$object = $this->messageFactory->build($mime_part, $params);
$object->setHeaders($this->getHeaders());
return $object;
}
} catch (Exception $e) {
throw new AS2Exception($e->getMessage(), 6);
}
throw new AS2Exception('Unexpected error while handling message.', 6);
}
protected final function initializeBase($data, $params = array())
{
if (is_null($this->headers)) {
$this->headers = new Header();
}
if (is_array($data)) {
$this->path = $data;
} elseif ($data) {
// do nothing
// content : default is file
if (isset($params['is_file']) && $params['is_file'] === false) {
$file = Adapter::getTempFilename();
file_put_contents($file, $data);
$this->path = $file;
// filename
if (isset($params['filename'])) {
$this->filename = $params['filename'];
}
} else {
$this->path = $data;
// filename
$this->filename = isset($params['filename']) ? $params['filename'] : basename($this->path);
}
// mimetype handle
$this->mimetype = isset($params['mimetype']) ? $params['mimetype'] : Adapter::detectMimeType($this->path);
}
// partners
if (isset($params['partner_from']) && $params['partner_from']) {
$this->setPartnerFrom($params['partner_from']);
} else {
throw new AS2Exception('No AS2 From Partner specified.');
}
if (isset($params['partner_to']) && $params['partner_to']) {
$this->setPartnerTo($params['partner_to']);
} else {
throw new AS2Exception('NO AS2 To Partner specified.');
}
$this->adapter = $this->getAdapterFactory()->build($this->getPartnerFrom(), $this->getPartnerTo());
}
/**
* @param $partner_from
* @param $partner_to
* @return AdapterModel
* @throws \TechData\AS2SecureBundle\Models\AS2Exception
*/
public function build($partner_from, $partner_to)
{
$adapter = new AdapterModel($this->partnerFactory, $this->AS2_DIR_BIN);
$adapter->initialize($partner_from, $partner_to);
return $adapter;
}
/**
* Build message and encode it (signing and/or crypting)
*
*/
public function encode()
{
if (!$this->getPartnerFrom() instanceof Partner || !$this->getPartnerTo() instanceof Partner) {
throw new AS2Exception('Object not properly initialized');
}
// initialisation
$this->mic_checksum = false;
$this->setMessageId(self::generateMessageID($this->getPartnerFrom()));
// chargement et construction du message
$files = $this->getFiles();
// initial message creation : mime_part
// TODO : use adapter to build multipart file
try {
// managing all files (parts)
$parts = array();
foreach ($files as $file) {
$mime_part = new Horde_MIME_Part($file['mimetype']);
$mime_part->setContents(file_get_contents($file['path']));
$mime_part->setName($file['filename']);
if ($file['encoding']) {
$mime_part->setTransferEncoding($file['encoding']);
}
$parts[] = $mime_part;
}
if (count($parts) > 1) {
// handling multipart file
$mime_part = new Horde_MIME_Part('multipart/mixed');
foreach ($parts as $part) {
$mime_part->addPart($part);
}
} else {
// handling mono part (body)
$mime_part = $parts[0];
}
$file = Adapter::getTempFilename();
file_put_contents($file, $mime_part->toString());
} catch (Exception $e) {
throw $e;
return false;
}
// signing file if wanted by Partner_To
if ($this->getPartnerTo()->sec_signature_algorithm != Partner::SIGN_NONE) {
try {
$file = $this->adapter->sign($file, $this->getPartnerTo()->send_compress, $this->getPartnerTo()->send_encoding);
$this->is_signed = true;
//echo file_get_contents($file);
$this->mic_checksum = $this->getMicChecksum($file);
} catch (Exception $e) {
throw $e;
return false;
}
}
// crypting file if wanted by Partner_To
if ($this->getPartnerTo()->sec_encrypt_algorithm != Partner::CRYPT_NONE) {
try {
$file = $this->adapter->encrypt($file);
$this->is_crypted = true;
} catch (Exception $e) {
throw $e;
return false;
}
}
$this->path = $file;
/*if ($mime_part->getTransferEncoding() == 'base64'){
file_put_contents($this->path, base64_decode($mime_part->toString(false)));
}
else{
file_put_contents($this->path, $mime_part->toString());
}*/
// headers setup
$headers = array('AS2-From' => '"' . $this->getPartnerFrom()->id . '"', 'AS2-To' => '"' . $this->getPartnerTo()->id . '"', 'AS2-Version' => '1.0', 'From' => $this->getPartnerFrom()->email, 'Subject' => $this->getPartnerFrom()->send_subject, 'Message-ID' => $this->getMessageId(), 'Mime-Version' => '1.0', 'Disposition-Notification-To' => $this->getPartnerFrom()->send_url, 'Recipient-Address' => $this->getPartnerTo()->send_url, 'User-Agent' => 'AS2Secure - PHP Lib for AS2 message encoding / decoding');
if ($this->getPartnerTo()->mdn_signed) {
$headers['Disposition-Notification-Options'] = 'signed-receipt-protocol=optional, pkcs7-signature; signed-receipt-micalg=optional, sha1';
}
if ($this->getPartnerTo()->mdn_request == Partner::ACK_ASYNC) {
$headers['Receipt-Delivery-Option'] = $this->getPartnerFrom()->send_url;
}
$this->headers = new Header($headers);
// look for additionnal headers from message
// eg : content-type
$content = file_get_contents($this->path);
$this->headers->addHeadersFromMessage($content);
if (strpos($content, "\n\n") !== false) {
$content = substr($content, strpos($content, "\n\n") + 2);
}
file_put_contents($this->path, $content);
return true;
}
/**
* Extract files from mime multipart file
*
* @param string $input The file to extract
*
* @return array The list of extracted files (path / mimetype / filename)
*/
public function extract($input)
{
try {
$output = self::getTempFilename();
// execute main operation
$command = self::$javapath . ' -jar ' . escapeshellarg($this->AS2_DIR_BIN . self::$ssl_adapter) . ' extract' . ' -in ' . escapeshellarg($input) . ' -out ' . escapeshellarg($output);
$results = self::exec($command, true);
// array returned
$files = array();
foreach ($results as $tmp) {
$tmp = explode(';', $tmp);
if (count($tmp) <= 1) {
continue;
}
if (count($tmp) != 3) {
throw new AS2Exception('Unexpected data structure while extracting message.');
}
$file = array();
$file['path'] = trim($tmp[0], '"');
$file['mimetype'] = trim($tmp[1], '"');
$file['filename'] = trim($tmp[2], '"');
$files[] = $file;
// schedule file deletion
Adapter::addTempFileForDelete($file['path']);
}
return $files;
} catch (Exception $e) {
throw $e;
}
}
