/**
* @param $name
*
* @return Filesystem
*/
public function create($name)
{
switch ($name) {
case 'local':
$adapter = new Adapter\Local($this->getParameter('local', 'folder'), $this->getParameter('local', 'create'));
break;
case 'sftp_phpseclib':
$sftp = new \phpseclib\Net\SFTP($this->getParameter('sftp', 'host'), $this->getParameter('sftp', 'port'));
$sftp->login($this->getParameter('sftp', 'login'), $this->getParameter('sftp', 'password'));
$adapter = new Adapter\PhpseclibSftp($sftp, $this->getParameter('sftp', 'folder'), true);
break;
case 'sftp':
$configuration = new Ssh\Configuration($this->getParameter('sftp', 'host'), $this->getParameter('sftp', 'port'));
$authentication = new Ssh\Authentication\Password($this->getParameter('sftp', 'login'), $this->getParameter('sftp', 'password'));
// for other options, check php-ssh docs
$session = new Ssh\Session($configuration, $authentication);
$adapter = new Adapter\Sftp($session->getSftp());
break;
case 's3':
$service = new \Aws\S3\S3Client(array('credentials' => ['key' => $this->getParameter('s3', 'key'), 'secret' => $this->getParameter('s3', 'secret')], 'endpoint' => $this->getParameter('s3', 'endpoint'), 'bucket_endpoint' => $this->getParameter('s3', 'bucket_endpoint'), 'region' => $this->getParameter('s3', 'region'), 'version' => $this->getParameter('s3', 'version')));
$adapter = new Adapter\AwsS3($service, $this->getParameter('s3', 'bucket'));
break;
case 'ftp':
$adapter = new Adapter\Ftp('/', $this->getParameter('ftp', 'host'), array('username' => $this->getParameter('ftp', 'username'), 'password' => $this->getParameter('ftp', 'password'), 'passive' => $this->getParameter('ftp', 'passive'), 'port' => $this->getParameter('ftp', 'port')));
break;
case 'gridfs':
$client = new MongoClient(sprintf('mongodb://%s:%s', $this->getParameter('gridfs', 'host'), $this->getParameter('gridfs', 'port')));
$db = $client->selectDB($this->getParameter('gridfs', 'db'));
$adapter = new Adapter\GridFS(new MongoGridFS($db));
break;
case 'mogilefs':
$adapter = new Adapter\MogileFS('http://*****:*****@%s/%s', $this->getParameter('mysql', 'user'), $this->getParameter('mysql', 'password'), $this->getParameter('mysql', 'host'), $this->getParameter('mysql', 'db'))]);
$sm = $connection->getSchemaManager();
$table = new \Doctrine\DBAL\Schema\Table('files');
if (!$sm->tablesExist(['files'])) {
$table = new \Doctrine\DBAL\Schema\Table('files');
$table->addColumn('key', 'string');
$table->addColumn('content', 'text');
$table->addColumn('mtime', 'string');
$table->addColumn('checksum', 'string');
$sm->createTable($table);
}
$adapter = new Adapter\DoctrineDbal($connection, $table->getName());
break;
default:
throw new \RuntimeException(sprintf('Unknown adapter %s', $name));
}
return new Filesystem($adapter);
}
/**
* Transmit HL7 for the specified lab.
*
* @param integer $ppid Procedure provider ID.
* @param string $out The HL7 text to be sent.
* @return string Error text, or empty if no errors.
*/
function send_hl7_order($ppid, $out)
{
global $srcdir;
$d0 = "\r";
$pprow = sqlQuery("SELECT * FROM procedure_providers " . "WHERE ppid = ?", array($ppid));
if (empty($pprow)) {
return xl('Procedure provider') . " {$ppid} " . xl('not found');
}
$protocol = $pprow['protocol'];
$remote_host = $pprow['remote_host'];
// Extract MSH-10 which is the message control ID.
$segmsh = explode(substr($out, 3, 1), substr($out, 0, strpos($out, $d0)));
$msgid = $segmsh[9];
if (empty($msgid)) {
return xl('Internal error: Cannot find MSH-10');
}
if ($protocol == 'DL' || $pprow['orders_path'] === '') {
header("Pragma: public");
header("Expires: 0");
header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
header("Content-Type: application/force-download");
header("Content-Disposition: attachment; filename=order_{$msgid}.hl7");
header("Content-Description: File Transfer");
echo $out;
exit;
} else {
if ($protocol == 'SFTP') {
// Compute the target path/file name.
$filename = $msgid . '.txt';
if ($pprow['orders_path']) {
$filename = $pprow['orders_path'] . '/' . $filename;
}
// Connect to the server and write the file.
$sftp = new \phpseclib\Net\SFTP($remote_host);
if (!$sftp->login($pprow['login'], $pprow['password'])) {
return xl('Login to this remote host failed') . ": '{$remote_host}'";
}
if (!$sftp->put($filename, $out)) {
return xl('Creating this file on remote host failed') . ": '{$filename}'";
}
} else {
if ($protocol == 'FS') {
// Compute the target path/file name.
$filename = $msgid . '.txt';
if ($pprow['orders_path']) {
$filename = $pprow['orders_path'] . '/' . $filename;
}
$fh = fopen("{$filename}", 'w');
if ($fh) {
fwrite($fh, $out);
fclose($fh);
} else {
return xl('Cannot create file') . ' "' . "{$filename}" . '"';
}
} else {
return xl('This protocol is not implemented') . ": '{$protocol}'";
}
}
}
// Falling through to here indicates success.
newEvent("proc_order_xmit", $_SESSION['authUser'], $_SESSION['authProvider'], 1, "ID: {$msgid} Protocol: {$protocol} Host: {$remote_host}");
return '';
}
protected function loginToSFTP()
{
$this->includeLibrary();
$result = true;
$sftpClient = new \phpseclib\Net\SFTP(str_replace('sftp://', '', $this->config->sftp_endpoint));
if (!$sftpClient->login($this->config->sftp_username, $this->config->sftp_password)) {
$result = false;
\XLite\Logger::logCustom("PitneyBowes", 'Error: Cound not start SFTP connection.', false);
} else {
$sftpClient->chdir($this->config->sftp_catalog_directory);
}
return $result ? $sftpClient : $result;
}
/**
* Poll all eligible labs for new results and store them in the database.
*
* @param array &$info Conveys information to and from the caller:
* FROM THE CALLER:
* $info["$ppid/$filename"]['delete'] = a non-empty value if file deletion is requested.
* $info['select'] = array of patient matching responses where key is serialized patient
* attributes and value is selected pid for this patient, or 0 to create the patient.
* TO THE CALLER:
* $info["$ppid/$filename"]['mssgs'] = array of messages from this function.
* $info['match'] = array of patient matching requests where key is serialized patient
* attributes (ss, fname, lname, DOB) and value is TRUE (irrelevant).
*
* @return string Error text, or empty if no errors.
*/
function poll_hl7_results(&$info)
{
global $srcdir;
// echo "<!-- post: "; print_r($_POST); echo " -->\n"; // debugging
// echo "<!-- in: "; print_r($info); echo " -->\n"; // debugging
$filecount = 0;
$badcount = 0;
if (!isset($info['match'])) {
$info['match'] = array();
}
// match requests
if (!isset($info['select'])) {
$info['select'] = array();
}
// match request responses
$ppres = sqlStatement("SELECT * FROM procedure_providers ORDER BY name");
while ($pprow = sqlFetchArray($ppres)) {
$ppid = $pprow['ppid'];
$protocol = $pprow['protocol'];
$remote_host = $pprow['remote_host'];
$hl7 = '';
if ($protocol == 'SFTP') {
$remote_port = 22;
// Hostname may have ":port" appended to specify a nonstandard port number.
if ($i = strrpos($remote_host, ':')) {
$remote_port = 0 + substr($remote_host, $i + 1);
$remote_host = substr($remote_host, 0, $i);
}
// Compute the target path name.
$pathname = '.';
if ($pprow['results_path']) {
$pathname = $pprow['results_path'] . '/' . $pathname;
}
// Connect to the server and enumerate files to process.
$sftp = new \phpseclib\Net\SFTP($remote_host, $remote_port);
if (!$sftp->login($pprow['login'], $pprow['password'])) {
return xl('Login to remote host') . " '{$remote_host}' " . xl('failed');
}
$files = $sftp->nlist($pathname);
foreach ($files as $file) {
if (substr($file, 0, 1) == '.') {
continue;
}
++$filecount;
if (!isset($info["{$ppid}/{$file}"])) {
$info["{$ppid}/{$file}"] = array();
}
// Ensure that archive directory exists.
$prpath = $GLOBALS['OE_SITE_DIR'] . "/procedure_results";
if (!file_exists($prpath)) {
mkdir($prpath);
}
$prpath .= '/' . $pprow['ppid'];
if (!file_exists($prpath)) {
mkdir($prpath);
}
// Get file contents.
$hl7 = $sftp->get("{$pathname}/{$file}");
// If user requested reject and delete, do that.
if (!empty($info["{$ppid}/{$file}"]['delete'])) {
$fh = fopen("{$prpath}/{$file}.rejected", 'w');
if ($fh) {
fwrite($fh, $hl7);
fclose($fh);
} else {
return xl('Cannot create file') . ' "' . "{$prpath}/{$file}.rejected" . '"';
}
if (!$sftp->delete("{$pathname}/{$file}")) {
return xl('Cannot delete (from SFTP server) file') . ' "' . "{$pathname}/{$file}" . '"';
}
continue;
}
// Do a dry run of its contents and check for errors and match requests.
$tmp = receive_hl7_results($hl7, $info['match'], $ppid, $pprow['direction'], true, $info['select']);
$info["{$ppid}/{$file}"]['mssgs'] = $tmp['mssgs'];
// $info["$ppid/$file"]['match'] = $tmp['match'];
if (!empty($tmp['fatal']) || !empty($tmp['needmatch'])) {
// There are errors or matching requests so skip this file.
continue;
}
// Now the money shot - not a dry run.
$tmp = receive_hl7_results($hl7, $info['match'], $ppid, $pprow['direction'], false, $info['select']);
$info["{$ppid}/{$file}"]['mssgs'] = $tmp['mssgs'];
// $info["$ppid/$file"]['match'] = $tmp['match'];
if (empty($tmp['fatal']) && empty($tmp['needmatch'])) {
// It worked, archive and delete the file.
$fh = fopen("{$prpath}/{$file}", 'w');
if ($fh) {
fwrite($fh, $hl7);
fclose($fh);
} else {
return xl('Cannot create file') . ' "' . "{$prpath}/{$file}" . '"';
}
if (!$sftp->delete("{$pathname}/{$file}")) {
return xl('Cannot delete (from SFTP server) file') . ' "' . "{$pathname}/{$file}" . '"';
}
}
}
// end of this file
} else {
if ($protocol == 'FS') {
// Filesystem directory containing results files.
$pathname = $pprow['results_path'];
if (!($dh = opendir($pathname))) {
return xl('Unable to access directory') . " '{$pathname}'";
}
// Sort by filename just because.
$files = array();
while (false !== ($file = readdir($dh))) {
if (substr($file, 0, 1) == '.') {
continue;
}
$files[$file] = $file;
}
closedir($dh);
ksort($files);
// For each file...
foreach ($files as $file) {
++$filecount;
if (!isset($info["{$ppid}/{$file}"])) {
$info["{$ppid}/{$file}"] = array();
}
// Ensure that archive directory exists.
$prpath = $GLOBALS['OE_SITE_DIR'] . "/procedure_results";
if (!file_exists($prpath)) {
mkdir($prpath);
}
$prpath .= '/' . $pprow['ppid'];
if (!file_exists($prpath)) {
mkdir($prpath);
}
// Get file contents.
$hl7 = file_get_contents("{$pathname}/{$file}");
// If user requested reject and delete, do that.
if (!empty($info["{$ppid}/{$file}"]['delete'])) {
$fh = fopen("{$prpath}/{$file}.rejected", 'w');
if ($fh) {
fwrite($fh, $hl7);
fclose($fh);
} else {
return xl('Cannot create file') . ' "' . "{$prpath}/{$file}.rejected" . '"';
}
if (!unlink("{$pathname}/{$file}")) {
return xl('Cannot delete file') . ' "' . "{$pathname}/{$file}" . '"';
}
continue;
}
// Do a dry run of its contents and check for errors and match requests.
$tmp = receive_hl7_results($hl7, $info['match'], $ppid, $pprow['direction'], true, $info['select']);
$info["{$ppid}/{$file}"]['mssgs'] = $tmp['mssgs'];
// $info["$ppid/$file"]['match'] = $tmp['match'];
if (!empty($tmp['fatal']) || !empty($tmp['needmatch'])) {
// There are errors or matching requests so skip this file.
continue;
}
// Now the money shot - not a dry run.
$tmp = receive_hl7_results($hl7, $info['match'], $ppid, $pprow['direction'], false, $info['select']);
$info["{$ppid}/{$file}"]['mssgs'] = $tmp['mssgs'];
// $info["$ppid/$file"]['match'] = $tmp['match'];
if (empty($tmp['fatal']) && empty($tmp['needmatch'])) {
// It worked, archive and delete the file.
$fh = fopen("{$prpath}/{$file}", 'w');
if ($fh) {
fwrite($fh, $hl7);
fclose($fh);
} else {
return xl('Cannot create file') . ' "' . "{$prpath}/{$file}" . '"';
}
if (!unlink("{$pathname}/{$file}")) {
return xl('Cannot delete file') . ' "' . "{$pathname}/{$file}" . '"';
}
}
}
// end of this file
}
}
// end FS protocol
// TBD: Insert "else if ($protocol == '???') {...}" to support other protocols.
}
// end procedure provider
// echo "<!-- out: "; print_r($info); echo " -->\n"; // debugging
return '';
}
