OAIHandler.inc.php

<?php
 
define('SESSION_DISABLE_INIT', 1); // FIXME?
 
import('classes.oai.ojs.JournalOAI');
import('classes.handler.Handler');
 
use \Firebase\JWT\JWT;
 
class OAIHandler extends Handler {
 
   function index($args, $request) {
      $this->validate(null, $request);
 
      PluginRegistry::loadCategory('oaiMetadataFormats', true);
 
      $oai = new JournalOAI(new OAIConfig($request->url(null, 'oai'), Config::getVar('oai', 'repository_id')));
      if (!$request->getJournal() && $request->getRequestedJournalPath() != 'index') {
         $dispatcher = $request->getDispatcher();
         return $dispatcher->handle404();
      }
      $oai->execute();
   }
 
   function validate($requiredContexts = null, $request = null) {
      // Site validation checks not applicable
      //parent::validate($requiredContexts, $request);
 
      if (!Config::getVar('oai', 'oai')) {
         $request->redirect(null, 'index');
      }
 
      // Permit the use of the Authorization header and an API key for access to unpublished content (article URLs)
      if ($header = array_search('Authorization', array_flip(getallheaders()))) {
         list($bearer, $jwt) = explode(' ', $header);
         if (strcasecmp($bearer, 'Bearer') == 0) {
            $apiToken = json_decode(JWT::decode($jwt, Config::getVar('security', 'api_key_secret', ''), array('HS256')));
            $this->setApiToken($apiToken);
         }
      }
   }
 
   function requireSSL() {
      return false;
   }
}