1385 lines
34 KiB
PHP
1385 lines
34 KiB
PHP
<?php
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/***************************************************************
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* Copyright notice
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*
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* (c) 2011 Sebastian Meyer <sebastian.meyer@slub-dresden.de>
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* All rights reserved
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*
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* This script is part of the TYPO3 project. The TYPO3 project is
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* free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* The GNU General Public License can be found at
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* http://www.gnu.org/copyleft/gpl.html.
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*
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* This script is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* This copyright notice MUST APPEAR in all copies of the script!
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***************************************************************/
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/**
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* [CLASS/FUNCTION INDEX of SCRIPT]
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*/
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/**
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* Plugin 'DLF: OAI-PMH Interface' for the 'dlf' extension.
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*
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* @author Sebastian Meyer <sebastian.meyer@slub-dresden.de>
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* @copyright Copyright (c) 2011, Sebastian Meyer, SLUB Dresden
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* @package TYPO3
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* @subpackage tx_dlf
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* @access public
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*/
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class tx_dlf_oai extends tx_dlf_plugin {
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public $scriptRelPath = 'plugins/oai/class.tx_dlf_oai.php';
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/**
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* Did an error occur?
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*
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* @var boolean
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* @access protected
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*/
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protected $error = FALSE;
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/**
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* This holds the configuration for all supported metadata prefixes
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*
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* @var array
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* @access protected
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*/
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protected $formats = array (
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// 'oai_dc' => array (
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// 'schema' => 'http://www.openarchives.org/OAI/2.0/oai_dc.xsd',
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// 'namespace' => 'http://www.openarchives.org/OAI/2.0/oai_dc/',
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// ),
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// 'epicur' => array (
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// 'schema' => 'http://www.persistent-identifier.de/xepicur/version1.0/xepicur.xsd',
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// 'namespace' => 'urn:nbn:de:1111-2004033116',
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// ),
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// 'ese' => array (
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// 'schema' => 'http://www.europeana.eu/schemas/ese/ESE-V3.3.xsd',
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// 'namespace' => 'http://www.europeana.eu/schemas/ese/',
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// ),
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'mets' => array (
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'schema' => 'http://www.loc.gov/standards/mets/version17/mets.v1-7.xsd',
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'namespace' => 'http://www.loc.gov/METS/',
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)
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);
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/**
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* Delete expired resumption tokens
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*
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* @access protected
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*
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* @return void
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*/
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protected function deleteExpiredTokens() {
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// Delete expired resumption tokens.
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$GLOBALS['TYPO3_DB']->exec_DELETEquery(
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'tx_dlf_tokens',
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'tx_dlf_tokens.ident="oai" AND tx_dlf_tokens.tstamp<'.intval($GLOBALS['EXEC_TIME'] - $this->conf['expired'])
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);
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if ($GLOBALS['TYPO3_DB']->sql_affected_rows($_result) === -1) {
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// Deletion failed.
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trigger_error('Could not delete expired resumption tokens', E_USER_ERROR);
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}
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}
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/**
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* Process error
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*
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* @access protected
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*
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* @param string $type: Error type
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*
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* @return string Substitution for subpart "###ERROR###"
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*/
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protected function error($type) {
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$this->error = TRUE;
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$markerArray = array (
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'###ERROR_CODE###' => $type,
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'###ERROR_MESSAGE###' => $this->pi_getLL($type, $type, TRUE)
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);
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return $this->cObj->substituteMarkerArray($this->cObj->getSubpart($this->template, '###ERROR###'), $markerArray);
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}
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/**
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* Load URL parameters
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*
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* @access protected
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*
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* @return void
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*/
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protected function getUrlParams() {
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$_allowedParams = array (
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'verb',
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'identifier',
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'metadataPrefix',
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'from',
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'until',
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'set',
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'resumptionToken'
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);
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// Clear plugin variables.
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$this->piVars = array ();
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// Set only allowed parameters.
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foreach ($_allowedParams as $_param) {
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if (t3lib_div::_GP($_param)) {
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$this->piVars[$_param] = t3lib_div::_GP($_param);
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}
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}
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}
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/**
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* The main method of the PlugIn
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*
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* @access public
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*
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* @param string $content: The PlugIn content
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* @param array $conf: The PlugIn configuration
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*
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* @return void
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*/
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public function main($content, $conf) {
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// Initialize plugin.
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$this->init($conf);
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// Turn cache off.
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$this->setCache(FALSE);
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// Get GET and POST variables.
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$this->getUrlParams();
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// Load template file.
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if (!empty($this->conf['templateFile'])) {
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$this->template = $this->cObj->getSubpart($this->cObj->fileResource($this->conf['templateFile']), '###TEMPLATE###');
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} else {
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$this->template = $this->cObj->getSubpart($this->cObj->fileResource('EXT:dlf/plugins/oai/template.tmpl'), '###TEMPLATE###');
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}
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// Delete expired resumption tokens.
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$this->deleteExpiredTokens();
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switch ($this->piVars['verb']) {
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case 'GetRecord':
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$response = $this->verbGetRecord();
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break;
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case 'Identify':
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$response = $this->verbIdentify();
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break;
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case 'ListIdentifiers':
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$response = $this->verbListIdentifiers();
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break;
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case 'ListMetadataFormats':
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$response = $this->verbListMetadataFormats();
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break;
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case 'ListRecords':
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$response = $this->verbListRecords();
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break;
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case 'ListSets':
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$response = $this->verbListSets();
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break;
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default:
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$response = $this->error('badVerb');
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}
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// Set response date, base url and request.
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$markerArray = array (
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'###RESPONSEDATE###' => gmdate('Y-m-d\TH:i:s\Z', $GLOBALS['EXEC_TIME']),
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'###BASE_URL###' => t3lib_div::locationHeaderUrl($this->pi_getPageLink($GLOBALS['TSFE']->id)),
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'###REQUEST###' => ''
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);
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if (!$this->error) {
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foreach ($this->piVars as $key => $value) {
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$markerArray['###REQUEST###'] .= ' '.$key.'="'.$value.'"';
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}
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}
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// Set XSL transformation stylesheet.
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if (!empty($this->conf['stylesheet'])) {
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// Resolve "EXT:" prefix in file path.
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if (substr($this->conf['stylesheet'], 0, 4) == 'EXT:') {
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list ($_extKey, $_filePath) = explode('/', substr($this->conf['stylesheet'], 4), 2);
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if (t3lib_extMgm::isLoaded($_extKey)) {
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$this->conf['stylesheet'] = t3lib_extMgm::siteRelPath($_extKey).$_filePath;
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}
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}
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$markerArray['###STYLESHEET###'] = t3lib_div::locationHeaderUrl($this->conf['stylesheet']);
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} else {
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$markerArray['###STYLESHEET###'] = t3lib_div::locationHeaderUrl(t3lib_extMgm::siteRelPath($this->extKey).'plugins/oai/transform.xsl');
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}
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// Substitute markers and subparts.
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$content = trim($this->cObj->substituteSubpart($this->cObj->substituteMarkerArray($this->template, $markerArray), '###RESPONSE###', $response, TRUE));
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// Send headers.
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header('HTTP/1.1 200 OK');
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header('Cache-Control: no-cache');
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header('Content-Length: '.strlen($content));
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header('Content-Type: text/xml; charset=utf-8');
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header('Date: '.date('r', $GLOBALS['EXEC_TIME']));
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header('Expires: '.date('r', $GLOBALS['EXEC_TIME']));
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echo $content;
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// Flush output buffer and end script processing.
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ob_end_flush();
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exit;
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}
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/**
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* Continue with resumption token
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*
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* @access protected
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*
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* @return string Substitution for subpart "###RESPONSE###"
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*/
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protected function resume() {
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// Get resumption token.
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$_result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
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'tx_dlf_tokens.options AS options',
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'tx_dlf_tokens',
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'tx_dlf_tokens.ident="oai" AND tx_dlf_tokens.token='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->piVars['resumptionToken'], 'tx_dlf_tokens'),
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'',
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'',
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'1'
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);
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if (!$GLOBALS['TYPO3_DB']->sql_num_rows($_result)) {
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// No resumption token found or resumption token expired.
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return $this->error('badResumptionToken');
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}
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$_resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($_result);
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$resultSet = unserialize($_resArray['options']);
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// Get template and fill with data.
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if ($this->piVars['verb'] == 'ListRecords') {
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$_itemTemplate = $this->cObj->getSubpart($this->template, '###LISTRECORDS_ITEM###');
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} else {
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$_itemTemplate = $this->cObj->getSubpart($this->template, '###LISTIDENTIFIERS_ITEM###');
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}
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$_specTemplate = $this->cObj->getSubpart($_itemTemplate, '###RECORD_SETSPEC_ITEM###');
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$_recordTemplate = $this->cObj->getSubpart($_itemTemplate, '###RECORD_METADATA###');
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$content = '';
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$complete = FALSE;
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for ($i = $resultSet->metadata['offset']; $i < intval($resultSet->metadata['offset'] + $this->conf['limit']); $i++) {
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$markerArray = array (
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'###RECORD_DELETED###' => '',
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'###RECORD_IDENTIFIER###' => $resultSet->elements[$i]['record_id'],
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'###RECORD_DATESTAMP###' => gmdate('Y-m-d\TH:i:s\Z', $resultSet->elements[$i]['tstamp']),
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);
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$subpartArray = array (
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'###RECORD_SETSPEC_ITEM###' => '',
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'###RECORD_METADATA###' => '',
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);
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// Check if document is deleted or hidden.
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$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
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'*',
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'tx_dlf_documents',
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'tx_dlf_documents.uid='.intval($resultSet->elements[$i]['uid']).tx_dlf_helper::whereClause('tx_dlf_documents'),
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'',
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'',
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'1'
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);
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if ($GLOBALS['TYPO3_DB']->sql_num_rows($result)) {
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foreach (explode(' ', $resultSet->elements[$i]['collections']) as $_spec) {
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$subpartArray['###RECORD_SETSPEC_ITEM###'] .= $this->cObj->substituteMarkerArray($_specTemplate, array ('###RECORD_SETSPEC###' => $_spec));
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}
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if ($piVars['verb'] == 'ListRecords') {
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switch ($resultSet->metadata['metadataPrefix']) {
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case 'oai_dc':
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// TODO!
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break;
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case 'epicur':
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// TODO!
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break;
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case 'ese':
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// TODO!
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break;
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case 'mets':
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$xml = simplexml_load_file($resultSet->elements[$i]['location']);
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$xml->registerXPathNamespace('mets', 'http://www.loc.gov/METS/');
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$mets = $xml->xpath('//mets:mets');
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$recordMarker['###RECORD_XML###'] = trim(str_replace('<?xml version="1.0" encoding="UTF-8"?>', '', $mets[0]->asXML()));
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break;
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}
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$subpartArray['###RECORD_METADATA###'] = $this->cObj->substituteMarkerArray($_recordTemplate, $recordMarker);
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}
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} else {
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$markerArray['###RECORD_DELETED###'] = ' status="deleted"';
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}
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$_content = $this->cObj->substituteSubpartArray($_itemTemplate, $subpartArray);
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$content .= $this->cObj->substituteMarkerArray($_content, $markerArray);
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if (empty($resultSet->elements[$i + 1])) {
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$complete = TRUE;
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break;
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}
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}
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if (!$complete) {
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// Save result set to database and generate resumption token.
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$token = uniqid();
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$resumptionToken['###RESUMPTIONTOKEN###'] = '<resumptionToken completeListSize="'.$resultSet->count.'" cursor="'.$resultSet->metadata['offset'].'">'.$token.'</resumptionToken>';
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$resultSet->metadata = array (
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'offset' => intval($resultSet->metadata['offset'] + $this->conf['limit']),
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'metadataPrefix' => $resultSet->metadata['metadataPrefix'],
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);
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$GLOBALS['TYPO3_DB']->exec_INSERTquery(
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'tx_dlf_tokens',
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array (
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'tstamp' => $GLOBALS['EXEC_TIME'],
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'token' => $token,
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'options' => serialize($resultSet),
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'ident' => 'oai',
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)
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);
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} else {
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// List completed, no new resumption token needed.
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$resumptionToken['###RESUMPTIONTOKEN###'] = '<resumptionToken completeListSize="'.$resultSet->count.'" cursor="'.$resultSet->metadata['offset'].'" />';
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}
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// Substitute subpart marker.
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if ($this->piVars['verb'] == 'ListRecords') {
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$template = $this->cObj->getSubpart($this->template, '###LISTRECORDS###');
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$template = $this->cObj->substituteMarkerArray($template, $resumptionToken);
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return $this->cObj->substituteSubpart($template, '###LISTRECORDS_ITEM###', $content, TRUE);
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} else {
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$template = $this->cObj->getSubpart($this->template, '###LISTIDENTIFIERS###');
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$template = $this->cObj->substituteMarkerArray($template, $resumptionToken);
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return $this->cObj->substituteSubpart($template, '###LISTIDENTIFIERS_ITEM###', $content, TRUE);
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}
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}
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/**
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* Process verb "GetRecord"
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*
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* @access protected
|
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*
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* @return string Substitution for subpart "###RESPONSE###"
|
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*/
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protected function verbGetRecord() {
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// Check for invalid arguments.
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if (count($this->piVars) != 3 || empty($this->piVars['metadataPrefix']) || empty($this->piVars['identifier'])) {
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return $this->error('badArgument');
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} else {
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// Check "metadataPrefix" for valid value.
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if (!in_array($this->piVars['metadataPrefix'], array_keys($this->formats))) {
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return $this->error('cannotDisseminateFormat');
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}
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|
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$where = '';
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// Select records from database.
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if (!$this->conf['show_userdefined']) {
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$where .= ' AND tx_dlf_collections.fe_cruser_id=0';
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}
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$result = $GLOBALS['TYPO3_DB']->exec_SELECT_mm_query(
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'tx_dlf_documents.uid AS uid,tx_dlf_documents.record_id AS record_id,tx_dlf_documents.tstamp AS tstamp,tx_dlf_documents.location AS location,GROUP_CONCAT(DISTINCT tx_dlf_collections.oai_name ORDER BY tx_dlf_collections.oai_name SEPARATOR " ") AS collections',
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'tx_dlf_documents',
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'tx_dlf_relations',
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'tx_dlf_collections',
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'AND tx_dlf_documents.record_id='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->piVars['identifier'], 'tx_dlf_documents').' AND tx_dlf_documents.pid='.intval($this->conf['pages']).' AND tx_dlf_collections.pid='.intval($this->conf['pages']).$where.tx_dlf_helper::whereClause('tx_dlf_collections'),
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'tx_dlf_documents.uid',
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'tx_dlf_documents.tstamp',
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'1'
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);
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if (!$GLOBALS['TYPO3_DB']->sql_num_rows($result)) {
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return $this->error('idDoesNotExist');
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} else {
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$resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($result);
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// Get template and fill with data.
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$_itemTemplate = $this->cObj->getSubpart($this->template, '###GETRECORD###');
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$_specTemplate = $this->cObj->getSubpart($_itemTemplate, '###RECORD_SETSPEC_ITEM###');
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$_recordTemplate = $this->cObj->getSubpart($_itemTemplate, '###RECORD_METADATA###');
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$markerArray = array (
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'###RECORD_DELETED###' => '',
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|
'###RECORD_IDENTIFIER###' => $resArray['record_id'],
|
|
'###RECORD_DATESTAMP###' => gmdate('Y-m-d\TH:i:s\Z', $resArray['tstamp']),
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|
);
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|
|
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$subpartArray = array (
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'###RECORD_SETSPEC_ITEM###' => '',
|
|
'###RECORD_METADATA###' => '',
|
|
);
|
|
|
|
// Check if document is deleted or hidden.
|
|
$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
|
|
'*',
|
|
'tx_dlf_documents',
|
|
'tx_dlf_documents.uid='.intval($resArray['uid']).tx_dlf_helper::whereClause('tx_dlf_documents'),
|
|
'',
|
|
'',
|
|
'1'
|
|
);
|
|
|
|
if ($GLOBALS['TYPO3_DB']->sql_num_rows($result)) {
|
|
|
|
foreach (explode(' ', $resArray['collections']) as $_spec) {
|
|
|
|
$subpartArray['###RECORD_SETSPEC_ITEM###'] .= $this->cObj->substituteMarkerArray($_specTemplate, array ('###RECORD_SETSPEC###' => $_spec));
|
|
|
|
}
|
|
|
|
switch ($this->piVars['metadataPrefix']) {
|
|
|
|
case 'oai_dc':
|
|
|
|
// TODO!
|
|
|
|
break;
|
|
|
|
case 'epicur':
|
|
|
|
// TODO!
|
|
|
|
break;
|
|
|
|
case 'ese':
|
|
|
|
// TODO!
|
|
|
|
break;
|
|
|
|
case 'mets':
|
|
|
|
$xml = simplexml_load_file($resArray['location']);
|
|
|
|
$xml->registerXPathNamespace('mets', 'http://www.loc.gov/METS/');
|
|
|
|
$mets = $xml->xpath('//mets:mets');
|
|
|
|
$recordMarker['###RECORD_XML###'] = trim(str_replace('<?xml version="1.0" encoding="UTF-8"?>', '', $mets[0]->asXML()));
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
$subpartArray['###RECORD_METADATA###'] = $this->cObj->substituteMarkerArray($_recordTemplate, $recordMarker);
|
|
|
|
} else {
|
|
|
|
$markerArray['###RECORD_DELETED###'] = ' status="deleted"';
|
|
|
|
}
|
|
|
|
// Substitute subparts and markers.
|
|
$template = $this->cObj->substituteSubpartArray($_itemTemplate, $subpartArray);
|
|
|
|
return $this->cObj->substituteMarkerArray($template, $markerArray);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Process verb "ListIdentifiers"
|
|
*
|
|
* @access protected
|
|
*
|
|
* @return string Substitution for subpart "###RESPONSE###"
|
|
*/
|
|
protected function verbListIdentifiers() {
|
|
|
|
// Check for invalid arguments.
|
|
if (!empty($this->piVars['resumptionToken'])) {
|
|
|
|
// "resumptionToken" is an exclusive argument.
|
|
if (count($this->piVars) > 2) {
|
|
|
|
return $this->error('badArgument');
|
|
|
|
} else {
|
|
|
|
return $this->resume();
|
|
|
|
}
|
|
|
|
} elseif (empty($this->piVars['metadataPrefix']) || !empty($this->piVars['identifier'])) {
|
|
|
|
// "metadataPrefix" is required and "identifier" is not allowed.
|
|
return $this->error('badArgument');
|
|
|
|
} else {
|
|
|
|
$where = '';
|
|
|
|
// Check "metadataPrefix" for valid value.
|
|
if (!in_array($this->piVars['metadataPrefix'], array_keys($this->formats))) {
|
|
|
|
return $this->error('cannotDisseminateFormat');
|
|
|
|
}
|
|
|
|
// Check "set" for valid value.
|
|
if (!empty($this->piVars['set'])) {
|
|
|
|
// Get set information.
|
|
$_additionalWhere = '';
|
|
|
|
if (!$this->conf['show_userdefined']) {
|
|
|
|
$_additionalWhere = ' AND tx_dlf_collections.fe_cruser_id=0';
|
|
|
|
}
|
|
|
|
$_result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
|
|
'tx_dlf_collections.uid AS uid',
|
|
'tx_dlf_collections',
|
|
'tx_dlf_collections.pid='.intval($this->conf['pages']).' AND tx_dlf_collections.oai_name='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->piVars['set'], 'tx_dlf_collections').$_additionalWhere.tx_dlf_helper::whereClause('tx_dlf_collections'),
|
|
'',
|
|
'',
|
|
'1'
|
|
);
|
|
|
|
if (!$GLOBALS['TYPO3_DB']->sql_num_rows($_result)) {
|
|
|
|
return $this->error('noSetHierarchy');
|
|
|
|
} else {
|
|
|
|
$_resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($_result);
|
|
|
|
$where .= ' AND tx_dlf_collections.uid='.intval($_resArray['uid']);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// Check "from" for valid value.
|
|
if (!empty($this->piVars['from'])) {
|
|
|
|
if (is_array($_from = strptime($this->piVars['from'], '%Y-%m-%dT%H:%M:%SZ')) || is_array($_from = strptime($this->piVars['from'], '%Y-%m-%d'))) {
|
|
|
|
$_from = gmmktime($_from['tm_hour'], $_from['tm_min'], $_from['tm_sec'], $_from['tm_mon'] + 1, $_from['tm_mday'], $_from['tm_year'] + 1900);
|
|
|
|
} else {
|
|
|
|
return $this->error('badArgument');
|
|
|
|
}
|
|
|
|
$where .= ' AND tx_dlf_documents.tstamp>='.intval($_from);
|
|
|
|
}
|
|
|
|
// Check "until" for valid value.
|
|
if (!empty($this->piVars['until'])) {
|
|
|
|
if (is_array($_until = strptime($this->piVars['until'], '%Y-%m-%dT%H:%M:%SZ')) || is_array($_until = strptime($this->piVars['until'], '%Y-%m-%d'))) {
|
|
|
|
$_until = gmmktime($_until['tm_hour'], $_until['tm_min'], $_until['tm_sec'], $_until['tm_mon'] + 1, $_until['tm_mday'], $_until['tm_year'] + 1900);
|
|
|
|
} else {
|
|
|
|
return $this->error('badArgument');
|
|
|
|
}
|
|
|
|
if (!empty($_from) && $_from > $_until) {
|
|
|
|
return $this->error('badArgument');
|
|
|
|
}
|
|
|
|
$where .= ' AND tx_dlf_documents.tstamp<='.intval($_until);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// Select records from database.
|
|
if (!$this->conf['show_userdefined']) {
|
|
|
|
$where .= ' AND tx_dlf_collections.fe_cruser_id=0';
|
|
|
|
}
|
|
|
|
$result = $GLOBALS['TYPO3_DB']->exec_SELECT_mm_query(
|
|
'tx_dlf_documents.uid AS uid,tx_dlf_documents.record_id AS record_id,tx_dlf_documents.tstamp AS tstamp,GROUP_CONCAT(DISTINCT tx_dlf_collections.oai_name ORDER BY tx_dlf_collections.oai_name SEPARATOR " ") AS collections',
|
|
'tx_dlf_documents',
|
|
'tx_dlf_relations',
|
|
'tx_dlf_collections',
|
|
'AND tx_dlf_documents.pid='.intval($this->conf['pages']).' AND tx_dlf_collections.pid='.intval($this->conf['pages']).$where.tx_dlf_helper::whereClause('tx_dlf_collections'),
|
|
'tx_dlf_documents.uid',
|
|
'tx_dlf_documents.tstamp',
|
|
''
|
|
);
|
|
|
|
if (!$GLOBALS['TYPO3_DB']->sql_num_rows($result)) {
|
|
|
|
return $this->error('noRecordsMatch');
|
|
|
|
} else {
|
|
|
|
// Build result set.
|
|
$results = array ();
|
|
|
|
while ($resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($result)) {
|
|
|
|
$results[] = $resArray;
|
|
|
|
}
|
|
|
|
// Save result set as list object.
|
|
$resultSet = t3lib_div::makeInstance('tx_dlf_list');
|
|
|
|
$resultSet->reset();
|
|
|
|
$resultSet->add($results);
|
|
|
|
// Get template and fill with data.
|
|
$_itemTemplate = $this->cObj->getSubpart($this->template, '###LISTIDENTIFIERS_ITEM###');
|
|
|
|
$_specTemplate = $this->cObj->getSubpart($_itemTemplate, '###RECORD_SETSPEC_ITEM###');
|
|
|
|
$content = '';
|
|
|
|
$complete = FALSE;
|
|
|
|
for ($i = 0; $i < intval($this->conf['limit']); $i++) {
|
|
|
|
$markerArray = array (
|
|
'###RECORD_DELETED###' => '',
|
|
'###RECORD_IDENTIFIER###' => $resultSet->elements[$i]['record_id'],
|
|
'###RECORD_DATESTAMP###' => gmdate('Y-m-d\TH:i:s\Z', $resultSet->elements[$i]['tstamp']),
|
|
);
|
|
|
|
$subpartArray = array (
|
|
'###RECORD_SETSPEC_ITEM###' => '',
|
|
);
|
|
|
|
// Check if document is deleted or hidden.
|
|
$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
|
|
'*',
|
|
'tx_dlf_documents',
|
|
'tx_dlf_documents.uid='.intval($resultSet->elements[$i]['uid']).tx_dlf_helper::whereClause('tx_dlf_documents'),
|
|
'',
|
|
'',
|
|
'1'
|
|
);
|
|
|
|
if ($GLOBALS['TYPO3_DB']->sql_num_rows($result)) {
|
|
|
|
foreach (explode(' ', $resultSet->elements[$i]['collections']) as $_spec) {
|
|
|
|
$subpartArray['###RECORD_SETSPEC_ITEM###'] .= $this->cObj->substituteMarkerArray($_specTemplate, array ('###RECORD_SETSPEC###' => $_spec));
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
$markerArray['###RECORD_DELETED###'] = ' status="deleted"';
|
|
|
|
}
|
|
|
|
$_content = $this->cObj->substituteSubpartArray($_itemTemplate, $subpartArray);
|
|
|
|
$content .= $this->cObj->substituteMarkerArray($_content, $markerArray);
|
|
|
|
if (empty($resultSet->elements[$i + 1])) {
|
|
|
|
$complete = TRUE;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (!$complete) {
|
|
|
|
// Save result set to database and generate resumption token.
|
|
$token = uniqid();
|
|
|
|
$resumptionToken['###RESUMPTIONTOKEN###'] = '<resumptionToken completeListSize="'.$resultSet->count.'" cursor="0">'.$token.'</resumptionToken>';
|
|
|
|
$resultSet->metadata = array (
|
|
'offset' => intval($this->conf['limit']),
|
|
'metadataPrefix' => $this->piVars['metadataPrefix'],
|
|
);
|
|
|
|
$GLOBALS['TYPO3_DB']->exec_INSERTquery(
|
|
'tx_dlf_tokens',
|
|
array (
|
|
'tstamp' => $GLOBALS['EXEC_TIME'],
|
|
'token' => $token,
|
|
'options' => serialize($resultSet),
|
|
'ident' => 'oai',
|
|
)
|
|
);
|
|
|
|
} else {
|
|
|
|
// Complete list returned, no resumption token needed.
|
|
$resumptionToken['###RESUMPTIONTOKEN###'] = '';
|
|
|
|
}
|
|
|
|
// Substitute subpart marker.
|
|
$template = $this->cObj->getSubpart($this->template, '###LISTIDENTIFIERS###');
|
|
|
|
$template = $this->cObj->substituteMarkerArray($template, $resumptionToken);
|
|
|
|
return $this->cObj->substituteSubpart($template, '###LISTIDENTIFIERS_ITEM###', $content, TRUE);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Process verb "Identify"
|
|
*
|
|
* @access protected
|
|
*
|
|
* @return string Substitution for subpart "###RESPONSE###"
|
|
*/
|
|
protected function verbIdentify() {
|
|
|
|
// Check for invalid arguments.
|
|
if (count($this->piVars) > 1) {
|
|
|
|
return $this->error('badArgument');
|
|
|
|
}
|
|
|
|
// Get repository name and administrative contact.
|
|
$_result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
|
|
'tx_dlf_libraries.oai_label AS oai_label,tx_dlf_libraries.contact AS contact',
|
|
'tx_dlf_libraries',
|
|
'tx_dlf_libraries.pid='.intval($this->conf['pages']).' AND tx_dlf_libraries.uid='.intval($this->conf['library']).tx_dlf_helper::whereClause('tx_dlf_libraries'),
|
|
'',
|
|
'',
|
|
''
|
|
);
|
|
|
|
if ($GLOBALS['TYPO3_DB']->sql_num_rows($_result)) {
|
|
|
|
$resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($_result);
|
|
|
|
$markerArray = array (
|
|
'###IDENTIFY_NAME###' => htmlspecialchars($resArray['oai_label'], ENT_NOQUOTES, 'UTF-8'),
|
|
'###IDENTIFY_URL###' => t3lib_div::locationHeaderUrl($this->pi_getPageLink($GLOBALS['TSFE']->id)),
|
|
'###IDENTIFY_MAIL###' => trim(str_replace('mailto:', '', $resArray['contact']))
|
|
);
|
|
|
|
} else {
|
|
|
|
trigger_error('OAI interface needs more configuration', E_USER_ERROR);
|
|
|
|
exit;
|
|
|
|
}
|
|
|
|
// Get earliest datestamp.
|
|
$_result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
|
|
'tx_dlf_documents.tstamp AS tstamp',
|
|
'tx_dlf_documents',
|
|
'tx_dlf_documents.pid='.intval($this->conf['pages']),
|
|
'',
|
|
'tx_dlf_documents.tstamp ASC',
|
|
'1'
|
|
);
|
|
|
|
if ($GLOBALS['TYPO3_DB']->sql_num_rows($_result)) {
|
|
|
|
$resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($_result);
|
|
|
|
$markerArray['###IDENTIFY_DATE###'] = gmdate('Y-m-d\TH:i:s\Z', $resArray['tstamp']);
|
|
|
|
} else {
|
|
|
|
$markerArray['###IDENTIFY_DATE###'] = '0000-00-00T00:00:00Z';
|
|
|
|
trigger_error('No records found with PID '.$this->conf['pages'], E_USER_WARNING);
|
|
|
|
}
|
|
|
|
return $this->cObj->substituteMarkerArray($this->cObj->getSubpart($this->template, '###IDENTIFY###'), $markerArray);
|
|
|
|
}
|
|
|
|
/**
|
|
* Process verb "ListMetadataFormats"
|
|
*
|
|
* @access protected
|
|
*
|
|
* @return string Substitution for subpart "###RESPONSE###"
|
|
*/
|
|
protected function verbListMetadataFormats() {
|
|
|
|
// Check for invalid arguments.
|
|
if (count($this->piVars) > 1) {
|
|
|
|
if (empty($this->piVars['identifier']) || count($this->piVars) > 2) {
|
|
|
|
return $this->error('badArgument');
|
|
|
|
} else {
|
|
|
|
// Check given identifier.
|
|
$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
|
|
'tx_dlf_documents.*',
|
|
'tx_dlf_documents',
|
|
'tx_dlf_documents.pid='.intval($this->conf['pages']).' AND tx_dlf_documents.record_id='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->piVars['identifier'], 'tx_dlf_documents'),
|
|
'',
|
|
'',
|
|
'1'
|
|
);
|
|
|
|
if (!$GLOBALS['TYPO3_DB']->sql_num_rows($result)) {
|
|
|
|
return $this->error('idDoesNotExist');
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// Get template and fill with data.
|
|
$_itemTemplate = $this->cObj->getSubpart($this->template, '###LISTMETADATAFORMATS_ITEM###');
|
|
|
|
$content = '';
|
|
|
|
foreach ($this->formats as $prefix => $details) {
|
|
|
|
$markerArray = array (
|
|
'###LISTMETADATAFORMATS_PREFIX###' => $prefix,
|
|
'###LISTMETADATAFORMATS_SCHEMA###' => $details['schema'],
|
|
'###LISTMETADATAFORMATS_NAMESPACE###' => $details['namespace']
|
|
);
|
|
|
|
$content .= $this->cObj->substituteMarkerArray($_itemTemplate, $markerArray);
|
|
|
|
}
|
|
|
|
return $this->cObj->substituteSubpart($this->cObj->getSubpart($this->template, '###LISTMETADATAFORMATS###'), '###LISTMETADATAFORMATS_ITEM###', $content, TRUE);
|
|
|
|
}
|
|
|
|
/**
|
|
* Process verb "ListRecords"
|
|
*
|
|
* @access protected
|
|
*
|
|
* @return string Substitution for subpart "###RESPONSE###"
|
|
*/
|
|
protected function verbListRecords() {
|
|
|
|
// Check for invalid arguments.
|
|
if (!empty($this->piVars['resumptionToken'])) {
|
|
|
|
// "resumptionToken" is an exclusive argument.
|
|
if (count($this->piVars) > 2) {
|
|
|
|
return $this->error('badArgument');
|
|
|
|
} else {
|
|
|
|
return $this->resume();
|
|
|
|
}
|
|
|
|
} elseif (empty($this->piVars['metadataPrefix']) || !empty($this->piVars['identifier'])) {
|
|
|
|
// "metadataPrefix" is required and "identifier" is not allowed.
|
|
return $this->error('badArgument');
|
|
|
|
} else {
|
|
|
|
$where = '';
|
|
|
|
// Check "metadataPrefix" for valid value.
|
|
if (!in_array($this->piVars['metadataPrefix'], array_keys($this->formats))) {
|
|
|
|
return $this->error('cannotDisseminateFormat');
|
|
|
|
}
|
|
|
|
// Check "set" for valid value.
|
|
if (!empty($this->piVars['set'])) {
|
|
|
|
// Get set information.
|
|
$_additionalWhere = '';
|
|
|
|
if (!$this->conf['show_userdefined']) {
|
|
|
|
$_additionalWhere = ' AND tx_dlf_collections.fe_cruser_id=0';
|
|
|
|
}
|
|
|
|
$_result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
|
|
'tx_dlf_collections.uid AS uid',
|
|
'tx_dlf_collections',
|
|
'tx_dlf_collections.pid='.intval($this->conf['pages']).' AND tx_dlf_collections.oai_name='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->piVars['set'], 'tx_dlf_collections').$_additionalWhere.tx_dlf_helper::whereClause('tx_dlf_collections'),
|
|
'',
|
|
'',
|
|
'1'
|
|
);
|
|
|
|
if (!$GLOBALS['TYPO3_DB']->sql_num_rows($_result)) {
|
|
|
|
return $this->error('noSetHierarchy');
|
|
|
|
} else {
|
|
|
|
$_resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($_result);
|
|
|
|
$where .= ' AND tx_dlf_collections.uid='.intval($_resArray['uid']);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// Check "from" for valid value.
|
|
if (!empty($this->piVars['from'])) {
|
|
|
|
if (is_array($_from = strptime($this->piVars['from'], '%Y-%m-%dT%H:%M:%SZ')) || is_array($_from = strptime($this->piVars['from'], '%Y-%m-%d'))) {
|
|
|
|
$_from = gmmktime($_from['tm_hour'], $_from['tm_min'], $_from['tm_sec'], $_from['tm_mon'] + 1, $_from['tm_mday'], $_from['tm_year'] + 1900);
|
|
|
|
} else {
|
|
|
|
return $this->error('badArgument');
|
|
|
|
}
|
|
|
|
$where .= ' AND tx_dlf_documents.tstamp>='.intval($_from);
|
|
|
|
}
|
|
|
|
// Check "until" for valid value.
|
|
if (!empty($this->piVars['until'])) {
|
|
|
|
if (is_array($_until = strptime($this->piVars['until'], '%Y-%m-%dT%H:%M:%SZ')) || is_array($_until = strptime($this->piVars['until'], '%Y-%m-%d'))) {
|
|
|
|
$_until = gmmktime($_until['tm_hour'], $_until['tm_min'], $_until['tm_sec'], $_until['tm_mon'] + 1, $_until['tm_mday'], $_until['tm_year'] + 1900);
|
|
|
|
} else {
|
|
|
|
return $this->error('badArgument');
|
|
|
|
}
|
|
|
|
if (!empty($_from) && $_from > $_until) {
|
|
|
|
return $this->error('badArgument');
|
|
|
|
}
|
|
|
|
$where .= ' AND tx_dlf_documents.tstamp<='.intval($_until);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// Select records from database.
|
|
if (!$this->conf['show_userdefined']) {
|
|
|
|
$where .= ' AND tx_dlf_collections.fe_cruser_id=0';
|
|
|
|
}
|
|
|
|
$result = $GLOBALS['TYPO3_DB']->exec_SELECT_mm_query(
|
|
'tx_dlf_documents.uid AS uid,tx_dlf_documents.record_id AS record_id,tx_dlf_documents.tstamp AS tstamp,tx_dlf_documents.location AS location,GROUP_CONCAT(DISTINCT tx_dlf_collections.oai_name ORDER BY tx_dlf_collections.oai_name SEPARATOR " ") AS collections',
|
|
'tx_dlf_documents',
|
|
'tx_dlf_relations',
|
|
'tx_dlf_collections',
|
|
'AND tx_dlf_documents.pid='.intval($this->conf['pages']).' AND tx_dlf_collections.pid='.intval($this->conf['pages']).$where.tx_dlf_helper::whereClause('tx_dlf_collections'),
|
|
'tx_dlf_documents.uid',
|
|
'tx_dlf_documents.tstamp',
|
|
''
|
|
);
|
|
|
|
if (!$GLOBALS['TYPO3_DB']->sql_num_rows($result)) {
|
|
|
|
return $this->error('noRecordsMatch');
|
|
|
|
} else {
|
|
|
|
// Build result set.
|
|
$results = array ();
|
|
|
|
while ($resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($result)) {
|
|
|
|
$results[] = $resArray;
|
|
|
|
}
|
|
|
|
// Save result set as list object.
|
|
$resultSet = t3lib_div::makeInstance('tx_dlf_list');
|
|
|
|
$resultSet->reset();
|
|
|
|
$resultSet->add($results);
|
|
|
|
// Get template and fill with data.
|
|
$_itemTemplate = $this->cObj->getSubpart($this->template, '###LISTRECORDS_ITEM###');
|
|
|
|
$_specTemplate = $this->cObj->getSubpart($_itemTemplate, '###RECORD_SETSPEC_ITEM###');
|
|
|
|
$_recordTemplate = $this->cObj->getSubpart($_itemTemplate, '###RECORD_METADATA###');
|
|
|
|
$content = '';
|
|
|
|
$complete = FALSE;
|
|
|
|
for ($i = 0; $i < intval($this->conf['limit']); $i++) {
|
|
|
|
$markerArray = array (
|
|
'###RECORD_DELETED###' => '',
|
|
'###RECORD_IDENTIFIER###' => $resultSet->elements[$i]['record_id'],
|
|
'###RECORD_DATESTAMP###' => gmdate('Y-m-d\TH:i:s\Z', $resultSet->elements[$i]['tstamp']),
|
|
);
|
|
|
|
$subpartArray = array (
|
|
'###RECORD_SETSPEC_ITEM###' => '',
|
|
'###RECORD_METADATA###' => '',
|
|
);
|
|
|
|
// Check if document is deleted or hidden.
|
|
$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
|
|
'*',
|
|
'tx_dlf_documents',
|
|
'tx_dlf_documents.uid='.intval($resultSet->elements[$i]['uid']).tx_dlf_helper::whereClause('tx_dlf_documents'),
|
|
'',
|
|
'',
|
|
'1'
|
|
);
|
|
|
|
if ($GLOBALS['TYPO3_DB']->sql_num_rows($result)) {
|
|
|
|
foreach (explode(' ', $resultSet->elements[$i]['collections']) as $_spec) {
|
|
|
|
$subpartArray['###RECORD_SETSPEC_ITEM###'] .= $this->cObj->substituteMarkerArray($_specTemplate, array ('###RECORD_SETSPEC###' => $_spec));
|
|
|
|
}
|
|
|
|
switch ($this->piVars['metadataPrefix']) {
|
|
|
|
case 'oai_dc':
|
|
|
|
// TODO!
|
|
|
|
break;
|
|
|
|
case 'epicur':
|
|
|
|
// TODO!
|
|
|
|
break;
|
|
|
|
case 'ese':
|
|
|
|
// TODO!
|
|
|
|
break;
|
|
|
|
case 'mets':
|
|
|
|
$xml = simplexml_load_file($resultSet->elements[$i]['location']);
|
|
|
|
$xml->registerXPathNamespace('mets', 'http://www.loc.gov/METS/');
|
|
|
|
$mets = $xml->xpath('//mets:mets');
|
|
|
|
$recordMarker['###RECORD_XML###'] = trim(str_replace('<?xml version="1.0" encoding="UTF-8"?>', '', $mets[0]->asXML()));
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
$subpartArray['###RECORD_METADATA###'] = $this->cObj->substituteMarkerArray($_recordTemplate, $recordMarker);
|
|
|
|
} else {
|
|
|
|
$markerArray['###RECORD_DELETED###'] = ' status="deleted"';
|
|
|
|
}
|
|
|
|
$_content = $this->cObj->substituteSubpartArray($_itemTemplate, $subpartArray);
|
|
|
|
$content .= $this->cObj->substituteMarkerArray($_content, $markerArray);
|
|
|
|
if (empty($resultSet->elements[$i + 1])) {
|
|
|
|
$complete = TRUE;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (!$complete) {
|
|
|
|
// Save result set to database and generate resumption token.
|
|
$token = uniqid();
|
|
|
|
$resumptionToken['###RESUMPTIONTOKEN###'] = '<resumptionToken completeListSize="'.$resultSet->count.'" cursor="0">'.$token.'</resumptionToken>';
|
|
|
|
$resultSet->metadata = array (
|
|
'offset' => intval($this->conf['limit']),
|
|
'metadataPrefix' => $this->piVars['metadataPrefix'],
|
|
);
|
|
|
|
$GLOBALS['TYPO3_DB']->exec_INSERTquery(
|
|
'tx_dlf_tokens',
|
|
array (
|
|
'tstamp' => $GLOBALS['EXEC_TIME'],
|
|
'token' => $token,
|
|
'options' => serialize($resultSet),
|
|
'ident' => 'oai',
|
|
)
|
|
);
|
|
|
|
} else {
|
|
|
|
// Complete list returned, no resumption token needed.
|
|
$resumptionToken['###RESUMPTIONTOKEN###'] = '';
|
|
|
|
}
|
|
|
|
// Substitute subpart marker.
|
|
$template = $this->cObj->getSubpart($this->template, '###LISTRECORDS###');
|
|
|
|
$template = $this->cObj->substituteMarkerArray($template, $resumptionToken);
|
|
|
|
return $this->cObj->substituteSubpart($template, '###LISTRECORDS_ITEM###', $content, TRUE);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* Process verb "ListSets"
|
|
*
|
|
* @access protected
|
|
*
|
|
* @return string Substitution for subpart "###RESPONSE###"
|
|
*/
|
|
protected function verbListSets() {
|
|
|
|
// Check for invalid arguments.
|
|
if (count($this->piVars) > 1) {
|
|
|
|
if (!empty($this->piVars['resumptionToken'])) {
|
|
|
|
return $this->error('badResumptionToken');
|
|
|
|
} else {
|
|
|
|
return $this->error('badArgument');
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// Get set information.
|
|
$additionalWhere = '';
|
|
|
|
if (!$this->conf['show_userdefined']) {
|
|
|
|
$additionalWhere = ' AND tx_dlf_collections.fe_cruser_id=0';
|
|
|
|
}
|
|
|
|
$_result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
|
|
'tx_dlf_collections.oai_name AS oai_name,tx_dlf_collections.label AS label',
|
|
'tx_dlf_collections',
|
|
'tx_dlf_collections.sys_language_uid IN (-1,0) AND tx_dlf_collections.pid='.intval($this->conf['pages']).$additionalWhere.tx_dlf_helper::whereClause('tx_dlf_collections'),
|
|
'tx_dlf_collections.oai_name',
|
|
'tx_dlf_collections.oai_name',
|
|
''
|
|
);
|
|
|
|
if (!$GLOBALS['TYPO3_DB']->sql_num_rows($_result)) {
|
|
|
|
return $this->error('noSetHierarchy');
|
|
|
|
}
|
|
|
|
// Get template and fill with data.
|
|
$_itemTemplate = $this->cObj->getSubpart($this->template, '###LISTSETS_ITEM###');
|
|
|
|
$content = '';
|
|
|
|
while ($resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($_result)) {
|
|
|
|
$markerArray = array (
|
|
'###LISTSETS_SPEC###' => htmlspecialchars($resArray['oai_name']),
|
|
'###LISTSETS_NAME###' => htmlspecialchars($resArray['label'])
|
|
);
|
|
|
|
$content .= $this->cObj->substituteMarkerArray($_itemTemplate, $markerArray);
|
|
|
|
}
|
|
|
|
return $this->cObj->substituteSubpart($this->cObj->getSubpart($this->template, '###LISTSETS###'), '###LISTSETS_ITEM###', $content, TRUE);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['ext/dlf/plugins/oai/class.tx_dlf_oai.php']) {
|
|
include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['ext/dlf/plugins/oai/class.tx_dlf_oai.php']);
|
|
}
|
|
|
|
?>
|