/**
* @see DOIExportPlugin::registerDoi()
*/
function registerDoi(&$request, &$journal, &$object, $filename)
{
$shoulder = $this->getSetting($journal->getId(), 'shoulder');
// Transmit CrossRef XML metadata.
assert(is_readable($filename));
$payload = file_get_contents($filename);
assert($payload !== false && !empty($payload));
// we only consider articles and issues here
$result = true;
if (is_a($object, 'PublishedArticle') || is_a($object, 'Issue')) {
$input = "_profile: crossref" . PHP_EOL;
$input .= "crossref: " . $this->_doiMetadataEscape($payload) . PHP_EOL;
// TODO: SHOW BOTH DATACITE METADATA AS WELL
//5 required datacite fields:
$input .= "datacite.creator: ";
if (is_a($object, 'PublishedArticle')) {
foreach ($object->getAuthors() as $author) {
$input .= $author->getLastName() . ", " . $author->getFirstName() . " " . $author->getMiddleName() . "; ";
}
}
$input .= PHP_EOL;
$input .= "datacite.title: " . $object->getLocalizedTitle() . PHP_EOL;
$input .= "datacite.publisher: " . $journal->getSetting('publisherInstitution') . PHP_EOL;
$input .= "datacite.publicationyear: " . date('Y', strtotime($object->getDatePublished())) . PHP_EOL;
$input .= "datacite.resourcetype: " . $object->getLocalizedData('type') . PHP_EOL;
if ($object->getData('ezid::registeredDoi')) {
$webServiceRequest = new WebServiceRequest(EZID_API_CRUD_URL . $object->getData('ezid::registeredDoi'), $input, 'POST');
$expectedResponse = EZID_API_RESPONSE_OK;
} else {
$webServiceRequest = new WebServiceRequest(EZID_API_MINT_URL . $shoulder, $input, 'POST');
$expectedResponse = EZID_API_RESPONSE_CREATED;
}
$webServiceRequest->setHeader('Content-Type', 'text/plain; charset=UTF-8');
$webServiceRequest->setHeader('Content-Length', strlen($input));
$webService = new WebService();
$username = $this->getSetting($journal->getId(), 'username');
$password = $this->getSetting($journal->getId(), 'password');
$webService->setAuthUsername($username);
$webService->setAuthPassword($password);
$response =& $webService->call($webServiceRequest);
if ($response === false) {
$result = array(array('plugins.importexport.common.register.error.mdsError', __('plugins.importexport.ezid.error.webserviceNoResponse')));
} else {
if ($response === NULL) {
$result = array(array('plugins.importexport.ezid.error.webserviceInvalidRequest'));
} else {
$status = $webService->getLastResponseStatus();
if ($status != $expectedResponse) {
$result = array(array('plugins.importexport.common.register.error.mdsError', "{$status} - " . htmlentities($response)));
}
}
}
} else {
return false;
}
if ($result === true) {
# trim off "success: doi:"
$trimmed_body = preg_replace('/(success: doi:)/', '', $response);
if (strstr($trimmed_body, ' | ark:') !== FALSE) {
list($doi, $ark) = explode(' | ark:', $trimmed_body, 2);
$ark = 'ark:' . $ark;
} else {
$doi = $trimmed_body;
$ark = '';
}
if (is_a($object, 'Issue')) {
$dao =& DAORegistry::getDAO('IssueDAO');
$dao->changePubId($object->getId(), 'doi', $doi);
$object->setStoredPubId('doi', $doi);
} elseif (is_a($object, 'Article')) {
$dao =& DAORegistry::getDAO('ArticleDAO');
$dao->changePubId($object->getId(), 'doi', $doi);
$object->setStoredPubId('doi', $doi);
}
// Mark the object as registered.
$this->markRegistered($request, $object, $shoulder);
}
return $result;
}
/**
* Make a request
*
* @param $url string The request URL
* @param $params mixed array (key value pairs) or string request parameters
* @param $method string GET or POST
*
* @return DOMXPath An XPath object with the response loaded. Null if an error occurred.
* See _serviceMessage for more details about the error.
*/
function &_makeRequest($url, $params = array(), $method = 'GET')
{
$webServiceRequest = new WebServiceRequest($url, $params, $method);
if ($method == 'POST') {
$webServiceRequest->setHeader('Content-Type', 'text/xml; charset=utf-8');
}
$this->setReturnType(XSL_TRANSFORMER_DOCTYPE_DOM);
$response = $this->call($webServiceRequest);
$nullValue = null;
// Did we get a response at all?
if (!$response) {
$this->_serviceMessage = __('plugins.generic.lucene.message.searchServiceOffline');
return $nullValue;
}
// Did we get a "200 - OK" response?
$status = $this->getLastResponseStatus();
if ($status !== WEBSERVICE_RESPONSE_OK) {
// We show a generic error message to the end user
// to avoid information leakage and log the exact error.
$application = PKPApplication::getApplication();
error_log($application->getName() . ' - Lucene plugin:' . PHP_EOL . "The Lucene web service returned a status code {$status} and the message" . PHP_EOL . $response->saveXML());
$this->_serviceMessage = __('plugins.generic.lucene.message.webServiceError');
return $nullValue;
}
// Prepare an XPath object.
assert(is_a($response, 'DOMDocument'));
$result = new DOMXPath($response);
// Return the result.
return $result;
}
/**
* Call web service with the given parameters
* @param $url string
* @param $params array GET or POST parameters
* @param $method string (optional)
* @return JSON or null in case of error
*/
function &_callWebService($url, &$params, $method = 'GET')
{
// Create a request
if (!is_array($params)) {
$params = array();
}
$params['api_key'] = $this->_apiKey;
$webServiceRequest = new WebServiceRequest($url, $params, $method);
// Can't strip slashes from the result, we have a JSON
// response with escaped characters.
$webServiceRequest->setCleanResult(false);
// Configure and call the web service
$webService = new WebService();
$result =& $webService->call($webServiceRequest);
return $result;
}
