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<?php |
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/** |
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* (c) Kitodo. Key to digital objects e.V. <[email protected]> |
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* |
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* This file is part of the Kitodo and TYPO3 projects. |
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* |
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* @license GNU General Public License version 3 or later. |
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* For the full copyright and license information, please read the |
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* LICENSE.txt file that was distributed with this source code. |
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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 <[email protected]> |
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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 OAI DOM object |
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* |
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* @var DOMDocument |
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* @access protected |
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*/ |
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protected $oai; |
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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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'requiredFields' => array ('record_id'), |
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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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'requiredFields' => array ('purl', 'urn'), |
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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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'requiredFields' => array ('location'), |
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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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$result = $GLOBALS['TYPO3_DB']->exec_DELETEquery( |
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'tx_dlf_tokens', |
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'tx_dlf_tokens.ident="oai" AND tx_dlf_tokens.tstamp<'.intval($GLOBALS['EXEC_TIME'] - $this->conf['expired']) |
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); |
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if ($GLOBALS['TYPO3_DB']->sql_affected_rows() === -1) { |
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// Deletion failed. |
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$this->devLog('[tx_dlf_oai->deleteExpiredTokens()] Could not delete expired resumption tokens', SYSLOG_SEVERITY_WARNING); |
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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 $type: Error type |
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* |
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* @return DOMElement XML node to add to the OAI response |
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*/ |
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protected function error($type) { |
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$this->error = TRUE; |
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$error = $this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'error', htmlspecialchars($this->pi_getLL($type, $type, FALSE), ENT_NOQUOTES, 'UTF-8')); |
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$error->setAttribute('code', $type); |
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return $error; |
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} |
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/** |
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* Load URL parameters |
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* |
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* @access protected |
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* |
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* @return void |
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*/ |
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protected function getUrlParams() { |
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$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 $param) { |
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if (\TYPO3\CMS\Core\Utility\GeneralUtility::_GP($param)) { |
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$this->piVars[$param] = \TYPO3\CMS\Core\Utility\GeneralUtility::_GP($param); |
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} |
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} |
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} |
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/** |
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* Get unqualified Dublin Core data. |
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* @see http://www.openarchives.org/OAI/openarchivesprotocol.html#dublincore |
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* |
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* @access protected |
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* |
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* @param array $metadata: The metadata array |
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* |
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* @return DOMElement XML node to add to the OAI response |
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*/ |
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protected function getDcData(array $metadata) { |
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$oai_dc = $this->oai->createElementNS($this->formats['oai_dc']['namespace'], 'oai_dc:dc'); |
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$oai_dc->setAttributeNS('http://www.w3.org/2000/xmlns/', 'xmlns:dc', 'http://purl.org/dc/elements/1.1/'); |
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$oai_dc->setAttributeNS('http://www.w3.org/2000/xmlns/', 'xmlns:xsi', 'http://www.w3.org/2001/XMLSchema-instance'); |
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$oai_dc->setAttributeNS('http://www.w3.org/2001/XMLSchema-instance', 'xsi:schemaLocation', $this->formats['oai_dc']['namespace'].' '.$this->formats['oai_dc']['schema']); |
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$oai_dc->appendChild($this->oai->createElementNS('http://purl.org/dc/elements/1.1/', 'dc:identifier', htmlspecialchars($metadata['record_id'], ENT_NOQUOTES, 'UTF-8'))); |
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if (!empty($metadata['purl'])) { |
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$oai_dc->appendChild($this->oai->createElementNS('http://purl.org/dc/elements/1.1/', 'dc:identifier', htmlspecialchars($metadata['purl'], ENT_NOQUOTES, 'UTF-8'))); |
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} |
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if (!empty($metadata['urn'])) { |
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$oai_dc->appendChild($this->oai->createElementNS('http://purl.org/dc/elements/1.1/', 'dc:identifier', htmlspecialchars($metadata['urn'], ENT_NOQUOTES, 'UTF-8'))); |
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} |
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if (!empty($metadata['title'])) { |
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$oai_dc->appendChild($this->oai->createElementNS('http://purl.org/dc/elements/1.1/', 'dc:title', htmlspecialchars($metadata['title'], ENT_NOQUOTES, 'UTF-8'))); |
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} |
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if (!empty($metadata['author'])) { |
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$oai_dc->appendChild($this->oai->createElementNS('http://purl.org/dc/elements/1.1/', 'dc:creator', htmlspecialchars($metadata['author'], ENT_NOQUOTES, 'UTF-8'))); |
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} |
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if (!empty($metadata['year'])) { |
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$oai_dc->appendChild($this->oai->createElementNS('http://purl.org/dc/elements/1.1/', 'dc:date', htmlspecialchars($metadata['year'], ENT_NOQUOTES, 'UTF-8'))); |
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} |
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if (!empty($metadata['place'])) { |
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$oai_dc->appendChild($this->oai->createElementNS('http://purl.org/dc/elements/1.1/', 'dc:coverage', htmlspecialchars($metadata['place'], ENT_NOQUOTES, 'UTF-8'))); |
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} |
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$oai_dc->appendChild($this->oai->createElementNS('http://purl.org/dc/elements/1.1/', 'dc:format', 'application/mets+xml')); |
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$oai_dc->appendChild($this->oai->createElementNS('http://purl.org/dc/elements/1.1/', 'dc:type', 'Text')); |
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if (!empty($metadata['partof'])) { |
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$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery( |
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'tx_dlf_documents.record_id', |
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'tx_dlf_documents', |
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'tx_dlf_documents.uid='.intval($metadata['partof']).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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$partof = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($result); |
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$oai_dc->appendChild($this->oai->createElementNS('http://purl.org/dc/elements/1.1/', 'dc:relation', htmlspecialchars($partof['record_id'], ENT_NOQUOTES, 'UTF-8'))); |
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} |
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} |
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return $oai_dc; |
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} |
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/** |
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* Get epicur data. |
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* @see http://www.persistent-identifier.de/?link=210 |
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* |
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* @access protected |
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* |
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* @param array $metadata: The metadata array |
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* |
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* @return DOMElement XML node to add to the OAI response |
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*/ |
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protected function getEpicurData(array $metadata) { |
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// Define all XML elements with or without qualified namespace. |
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if (empty($this->conf['unqualified_epicur'])) { |
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$epicur = $this->oai->createElementNS($this->formats['epicur']['namespace'], 'epicur:epicur'); |
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$admin = $this->oai->createElementNS($this->formats['epicur']['namespace'], 'epicur:administrative_data'); |
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$delivery = $this->oai->createElementNS($this->formats['epicur']['namespace'], 'epicur:delivery'); |
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$update = $this->oai->createElementNS($this->formats['epicur']['namespace'], 'epicur:update_status'); |
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$transfer = $this->oai->createElementNS($this->formats['epicur']['namespace'], 'epicur:transfer'); |
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$format = $this->oai->createElementNS($this->formats['epicur']['namespace'], 'epicur:format', 'text/html'); |
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$record = $this->oai->createElementNS($this->formats['epicur']['namespace'], 'epicur:record'); |
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$identifier = $this->oai->createElementNS($this->formats['epicur']['namespace'], 'epicur:identifier', htmlspecialchars($metadata['urn'], ENT_NOQUOTES, 'UTF-8')); |
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$resource = $this->oai->createElementNS($this->formats['epicur']['namespace'], 'epicur:resource'); |
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$ident = $this->oai->createElementNS($this->formats['epicur']['namespace'], 'epicur:identifier', htmlspecialchars($metadata['purl'], ENT_NOQUOTES, 'UTF-8')); |
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} else { |
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$epicur = $this->oai->createElement('epicur'); |
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$epicur->setAttribute('xmlns', $this->formats['epicur']['namespace']); |
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$admin = $this->oai->createElement('administrative_data'); |
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$delivery = $this->oai->createElement('delivery'); |
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$update = $this->oai->createElement('update_status'); |
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$transfer = $this->oai->createElement('transfer'); |
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$format = $this->oai->createElement('format', 'text/html'); |
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$record = $this->oai->createElement('record'); |
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$identifier = $this->oai->createElement('identifier', htmlspecialchars($metadata['urn'], ENT_NOQUOTES, 'UTF-8')); |
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$resource = $this->oai->createElement('resource'); |
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$ident = $this->oai->createElement('identifier', htmlspecialchars($metadata['purl'], ENT_NOQUOTES, 'UTF-8')); |
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} |
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// Add attributes and build XML tree. |
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$epicur->setAttributeNS('http://www.w3.org/2000/xmlns/', 'xmlns:xsi', 'http://www.w3.org/2001/XMLSchema-instance'); |
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$epicur->setAttributeNS('http://www.w3.org/2001/XMLSchema-instance', 'xsi:schemaLocation', $this->formats['epicur']['namespace'].' '.$this->formats['epicur']['schema']); |
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// Do we update an URN or register a new one? |
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if ($metadata['tstamp'] == $metadata['crdate']) { |
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$update->setAttribute('type', 'urn_new'); |
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} else { |
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$update->setAttribute('type', 'url_update_general'); |
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} |
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$delivery->appendChild($update); |
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$transfer->setAttribute('type', 'http'); |
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$delivery->appendChild($transfer); |
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$admin->appendChild($delivery); |
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$epicur->appendChild($admin); |
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$identifier->setAttribute('scheme', 'urn:nbn:de'); |
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$record->appendChild($identifier); |
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$ident->setAttribute('scheme', 'url'); |
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$ident->setAttribute('type', 'frontpage'); |
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$ident->setAttribute('role', 'primary'); |
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$resource->appendChild($ident); |
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$format->setAttribute('scheme', 'imt'); |
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$resource->appendChild($format); |
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$record->appendChild($resource); |
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$epicur->appendChild($record); |
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return $epicur; |
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} |
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/** |
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* Get METS data. |
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* @see http://www.loc.gov/standards/mets/docs/mets.v1-7.html |
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* |
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* @access protected |
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* |
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* @param array $metadata: The metadata array |
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* |
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* @return DOMElement XML node to add to the OAI response |
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*/ |
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protected function getMetsData(array $metadata) { |
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$mets = NULL; |
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// Load METS file. |
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$xml = new DOMDocument(); |
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if ($xml->load($metadata['location'])) { |
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// Get root element. |
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$root = $xml->getElementsByTagNameNS($this->formats['mets']['namespace'], 'mets'); |
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if ($root->item(0) instanceof DOMNode) { |
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// Import node into DOMDocument. |
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$mets = $this->oai->importNode($root->item(0), TRUE); |
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} else { |
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$this->devLog('[tx_dlf_oai->getMetsData([data])] No METS part found in document with location "'.$metadata['location'].'"', SYSLOG_SEVERITY_ERROR, $metadata); |
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} |
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} else { |
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$this->devLog('[tx_dlf_oai->getMetsData([data])] Could not load XML file from "'.$metadata['location'].'"', SYSLOG_SEVERITY_ERROR, $metadata); |
328
|
|
|
} |
329
|
|
|
|
330
|
|
|
if ($mets === NULL) { |
331
|
|
|
$mets = $this->oai->createElementNS('http://kitodo.org/', 'kitodo:error', htmlspecialchars($this->pi_getLL('error', 'Error!', FALSE), ENT_NOQUOTES, 'UTF-8')); |
332
|
|
|
} |
333
|
|
|
|
334
|
|
|
return $mets; |
335
|
|
|
} |
336
|
|
|
|
337
|
|
|
/** |
338
|
|
|
* The main method of the PlugIn |
339
|
|
|
* |
340
|
|
|
* @access public |
341
|
|
|
* |
342
|
|
|
* @param string $content: The PlugIn content |
343
|
|
|
* @param array $conf: The PlugIn configuration |
344
|
|
|
* |
345
|
|
|
* @return void |
346
|
|
|
*/ |
347
|
|
|
public function main($content, $conf) { |
348
|
|
|
|
349
|
|
|
// Initialize plugin. |
350
|
|
|
$this->init($conf); |
351
|
|
|
|
352
|
|
|
// Turn cache off. |
353
|
|
|
$this->setCache(FALSE); |
354
|
|
|
|
355
|
|
|
// Get GET and POST variables. |
356
|
|
|
$this->getUrlParams(); |
357
|
|
|
|
358
|
|
|
// Delete expired resumption tokens. |
359
|
|
|
$this->deleteExpiredTokens(); |
360
|
|
|
|
361
|
|
|
// Create XML document. |
362
|
|
|
$this->oai = new DOMDocument('1.0', 'UTF-8'); |
363
|
|
|
|
364
|
|
|
// Add processing instruction (aka XSL stylesheet). |
365
|
|
|
if (!empty($this->conf['stylesheet'])) { |
366
|
|
|
// Resolve "EXT:" prefix in file path. |
367
|
|
|
if (substr($this->conf['stylesheet'], 0, 4) == 'EXT:') { |
368
|
|
|
|
369
|
|
|
list ($extKey, $filePath) = explode('/', substr($this->conf['stylesheet'], 4), 2); |
370
|
|
|
|
371
|
|
|
if (\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::isLoaded($extKey)) { |
|
|
|
|
372
|
|
|
$this->conf['stylesheet'] = \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::siteRelPath($extKey).$filePath; |
|
|
|
|
373
|
|
|
} |
374
|
|
|
} |
375
|
|
|
|
376
|
|
|
$stylesheet = \TYPO3\CMS\Core\Utility\GeneralUtility::locationHeaderUrl($this->conf['stylesheet']); |
377
|
|
|
|
378
|
|
|
} else { |
379
|
|
|
// Use default stylesheet if no custom stylesheet is given. |
380
|
|
|
$stylesheet = \TYPO3\CMS\Core\Utility\GeneralUtility::locationHeaderUrl(\TYPO3\CMS\Core\Utility\ExtensionManagementUtility::siteRelPath($this->extKey).'plugins/oai/transform.xsl'); |
381
|
|
|
} |
382
|
|
|
|
383
|
|
|
$this->oai->appendChild($this->oai->createProcessingInstruction('xml-stylesheet', 'type="text/xsl" href="'.htmlspecialchars($stylesheet, ENT_NOQUOTES, 'UTF-8').'"')); |
384
|
|
|
|
385
|
|
|
// Create root element. |
386
|
|
|
$root = $this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'OAI-PMH'); |
387
|
|
|
|
388
|
|
|
$root->setAttributeNS('http://www.w3.org/2000/xmlns/', 'xmlns:xsi', 'http://www.w3.org/2001/XMLSchema-instance'); |
389
|
|
|
$root->setAttributeNS('http://www.w3.org/2001/XMLSchema-instance', 'xsi:schemaLocation', 'http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd'); |
390
|
|
|
|
391
|
|
|
// Add response date. |
392
|
|
|
$root->appendChild($this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'responseDate', gmdate('Y-m-d\TH:i:s\Z', $GLOBALS['EXEC_TIME']))); |
393
|
|
|
|
394
|
|
|
// Get response data. |
395
|
|
|
switch ($this->piVars['verb']) { |
396
|
|
|
case 'GetRecord': |
397
|
|
|
$response = $this->verbGetRecord(); |
398
|
|
|
break; |
399
|
|
|
|
400
|
|
|
case 'Identify': |
401
|
|
|
$response = $this->verbIdentify(); |
402
|
|
|
break; |
403
|
|
|
|
404
|
|
|
case 'ListIdentifiers': |
405
|
|
|
$response = $this->verbListIdentifiers(); |
406
|
|
|
break; |
407
|
|
|
|
408
|
|
|
case 'ListMetadataFormats': |
409
|
|
|
$response = $this->verbListMetadataFormats(); |
410
|
|
|
break; |
411
|
|
|
|
412
|
|
|
case 'ListRecords': |
413
|
|
|
$response = $this->verbListRecords(); |
414
|
|
|
break; |
415
|
|
|
|
416
|
|
|
case 'ListSets': |
417
|
|
|
$response = $this->verbListSets(); |
418
|
|
|
break; |
419
|
|
|
|
420
|
|
|
default: |
421
|
|
|
$response = $this->error('badVerb'); |
422
|
|
|
} |
423
|
|
|
|
424
|
|
|
// Add request. |
425
|
|
|
$linkConf = array ( |
426
|
|
|
'parameter' => $GLOBALS['TSFE']->id, |
427
|
|
|
'forceAbsoluteUrl' => 1 |
428
|
|
|
); |
429
|
|
|
|
430
|
|
|
$request = $this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'request', htmlspecialchars($this->cObj->typoLink_URL($linkConf), ENT_NOQUOTES, 'UTF-8')); |
431
|
|
|
|
432
|
|
|
if (!$this->error) { |
433
|
|
|
foreach ($this->piVars as $key => $value) { |
434
|
|
|
$request->setAttribute($key, htmlspecialchars($value, ENT_NOQUOTES, 'UTF-8')); |
435
|
|
|
} |
436
|
|
|
} |
437
|
|
|
|
438
|
|
|
$root->appendChild($request); |
439
|
|
|
$root->appendChild($response); |
|
|
|
|
440
|
|
|
|
441
|
|
|
$this->oai->appendChild($root); |
442
|
|
|
|
443
|
|
|
$content = $this->oai->saveXML(); |
444
|
|
|
|
445
|
|
|
// Clean output buffer. |
446
|
|
|
\TYPO3\CMS\Core\Utility\GeneralUtility::cleanOutputBuffers(); |
447
|
|
|
|
448
|
|
|
// Send headers. |
449
|
|
|
header('HTTP/1.1 200 OK'); |
450
|
|
|
header('Cache-Control: no-cache'); |
451
|
|
|
header('Content-Length: '.strlen($content)); |
452
|
|
|
header('Content-Type: text/xml; charset=utf-8'); |
453
|
|
|
header('Date: '.date('r', $GLOBALS['EXEC_TIME'])); |
454
|
|
|
header('Expires: '.date('r', $GLOBALS['EXEC_TIME'] + $this->conf['expired'])); |
455
|
|
|
|
456
|
|
|
echo $content; |
457
|
|
|
|
458
|
|
|
// Flush output buffer and end script processing. |
459
|
|
|
ob_end_flush(); |
460
|
|
|
|
461
|
|
|
exit; |
|
|
|
|
462
|
|
|
} |
463
|
|
|
|
464
|
|
|
/** |
465
|
|
|
* Continue with resumption token |
466
|
|
|
* |
467
|
|
|
* @access protected |
468
|
|
|
* |
469
|
|
|
* @return string Substitution for subpart "###RESPONSE###" |
470
|
|
|
*/ |
471
|
|
|
protected function resume() { |
472
|
|
|
// Get resumption token. |
473
|
|
|
$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery( |
474
|
|
|
'tx_dlf_tokens.options AS options', |
475
|
|
|
'tx_dlf_tokens', |
476
|
|
|
'tx_dlf_tokens.ident="oai" AND tx_dlf_tokens.token='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->piVars['resumptionToken'], 'tx_dlf_tokens'), |
477
|
|
|
'', |
478
|
|
|
'', |
479
|
|
|
'1' |
480
|
|
|
); |
481
|
|
|
|
482
|
|
|
if (!$GLOBALS['TYPO3_DB']->sql_num_rows($result)) { |
483
|
|
|
// No resumption token found or resumption token expired. |
484
|
|
|
return $this->error('badResumptionToken'); |
|
|
|
|
485
|
|
|
} |
486
|
|
|
|
487
|
|
|
$resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($result); |
488
|
|
|
|
489
|
|
|
$resultSet = unserialize($resArray['options']); |
490
|
|
|
|
491
|
|
|
return $this->generateOutputForDocumentList($resultSet); |
|
|
|
|
492
|
|
|
|
493
|
|
|
} |
494
|
|
|
|
495
|
|
|
/** |
496
|
|
|
* Process verb "GetRecord" |
497
|
|
|
* |
498
|
|
|
* @access protected |
499
|
|
|
* |
500
|
|
|
* @return string Substitution for subpart "###RESPONSE###" |
501
|
|
|
*/ |
502
|
|
|
protected function verbGetRecord() { |
503
|
|
|
|
504
|
|
|
if (count($this->piVars) != 3 || empty($this->piVars['metadataPrefix']) || empty($this->piVars['identifier'])) { |
505
|
|
|
return $this->error('badArgument'); |
|
|
|
|
506
|
|
|
} |
507
|
|
|
|
508
|
|
|
if (!in_array($this->piVars['metadataPrefix'], array_keys($this->formats))) { |
509
|
|
|
return $this->error('cannotDisseminateFormat'); |
|
|
|
|
510
|
|
|
} |
511
|
|
|
|
512
|
|
|
$where = ''; |
513
|
|
|
|
514
|
|
|
if (!$this->conf['show_userdefined']) { |
515
|
|
|
$where .= ' AND tx_dlf_collections.fe_cruser_id=0'; |
516
|
|
|
} |
517
|
|
|
|
518
|
|
|
$record = $GLOBALS['TYPO3_DB']->exec_SELECT_mm_query( |
519
|
|
|
'tx_dlf_documents.*,GROUP_CONCAT(DISTINCT tx_dlf_collections.oai_name ORDER BY tx_dlf_collections.oai_name SEPARATOR " ") AS collections', |
520
|
|
|
'tx_dlf_documents', |
521
|
|
|
'tx_dlf_relations', |
522
|
|
|
'tx_dlf_collections', |
523
|
|
|
'AND tx_dlf_documents.record_id='.$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($this->conf['pages']).' AND tx_dlf_relations.ident='.$GLOBALS['TYPO3_DB']->fullQuoteStr('docs_colls', 'tx_dlf_relations').$where.tx_dlf_helper::whereClause('tx_dlf_collections'), |
524
|
|
|
'tx_dlf_documents.uid', |
525
|
|
|
'tx_dlf_documents.tstamp', |
526
|
|
|
'1' |
527
|
|
|
); |
528
|
|
|
|
529
|
|
|
if (!$GLOBALS['TYPO3_DB']->sql_num_rows($record)) { |
530
|
|
|
return $this->error('idDoesNotExist'); |
|
|
|
|
531
|
|
|
} |
532
|
|
|
|
533
|
|
|
$resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($record); |
534
|
|
|
|
535
|
|
|
// Check for required fields. |
536
|
|
|
foreach ($this->formats[$this->piVars['metadataPrefix']]['requiredFields'] as $required) { |
537
|
|
|
if (empty($resArray[$required])) { |
538
|
|
|
return $this->error('cannotDisseminateFormat'); |
|
|
|
|
539
|
|
|
} |
540
|
|
|
} |
541
|
|
|
|
542
|
|
|
$GetRecord = $this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'GetRecord'); |
543
|
|
|
|
544
|
|
|
$recordNode = $this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'record'); |
545
|
|
|
|
546
|
|
|
$headerNode = $this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'header'); |
547
|
|
|
$headerNode->appendChild($this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'identifier', htmlspecialchars($resArray['record_id'], ENT_NOQUOTES, 'UTF-8'))); |
548
|
|
|
$headerNode->appendChild($this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'datestamp', gmdate('Y-m-d\TH:i:s\Z', $resArray['tstamp']))); |
549
|
|
|
|
550
|
|
|
// Handle deleted documents. |
551
|
|
|
// TODO: Use TYPO3 API functions here! |
552
|
|
|
if ($resArray['deleted'] || $resArray['hidden']) { |
553
|
|
|
$headerNode->setAttribute('status', 'deleted'); |
554
|
|
|
|
555
|
|
|
$recordNode->appendChild($headerNode); |
556
|
|
|
|
557
|
|
|
} else { |
558
|
|
|
foreach (explode(' ', $resArray['collections']) as $spec) { |
559
|
|
|
$headerNode->appendChild($this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'setSpec', htmlspecialchars($spec, ENT_NOQUOTES, 'UTF-8'))); |
560
|
|
|
} |
561
|
|
|
|
562
|
|
|
$recordNode->appendChild($headerNode); |
563
|
|
|
|
564
|
|
|
$metadataNode = $this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'metadata'); |
565
|
|
|
|
566
|
|
|
switch ($this->piVars['metadataPrefix']) { |
567
|
|
|
case 'oai_dc': |
568
|
|
|
$metadataNode->appendChild($this->getDcData($resArray)); |
569
|
|
|
break; |
570
|
|
|
|
571
|
|
|
case 'epicur': |
572
|
|
|
$metadataNode->appendChild($this->getEpicurData($resArray)); |
573
|
|
|
break; |
574
|
|
|
|
575
|
|
|
case 'mets': |
576
|
|
|
$metadataNode->appendChild($this->getMetsData($resArray)); |
577
|
|
|
break; |
578
|
|
|
} |
579
|
|
|
|
580
|
|
|
$recordNode->appendChild($metadataNode); |
581
|
|
|
} |
582
|
|
|
|
583
|
|
|
$GetRecord->appendChild($recordNode); |
584
|
|
|
|
585
|
|
|
return $GetRecord; |
|
|
|
|
586
|
|
|
} |
587
|
|
|
|
588
|
|
|
/** |
589
|
|
|
* Process verb "Identify" |
590
|
|
|
* |
591
|
|
|
* @access protected |
592
|
|
|
* |
593
|
|
|
* @return DOMElement XML node to add to the OAI response |
594
|
|
|
*/ |
595
|
|
|
protected function verbIdentify() { |
596
|
|
|
|
597
|
|
|
// Check for invalid arguments. |
598
|
|
|
if (count($this->piVars) > 1) { |
599
|
|
|
return $this->error('badArgument'); |
600
|
|
|
} |
601
|
|
|
|
602
|
|
|
// Get repository name and administrative contact. |
603
|
|
|
// Use default values for an installation with incomplete plugin configuration. |
604
|
|
|
|
605
|
|
|
$adminEmail = '[email protected]'; |
606
|
|
|
$repositoryName = 'Kitodo.Presentation OAI-PMH interface (incomplete configuration)'; |
607
|
|
|
|
608
|
|
|
$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery( |
609
|
|
|
'tx_dlf_libraries.oai_label AS oai_label,tx_dlf_libraries.contact AS contact', |
610
|
|
|
'tx_dlf_libraries', |
611
|
|
|
'tx_dlf_libraries.pid='.intval($this->conf['pages']).' AND tx_dlf_libraries.uid='.intval($this->conf['library']).tx_dlf_helper::whereClause('tx_dlf_libraries'), |
612
|
|
|
'', |
613
|
|
|
'', |
614
|
|
|
'' |
615
|
|
|
); |
616
|
|
|
|
617
|
|
|
if ($GLOBALS['TYPO3_DB']->sql_num_rows($result)) { |
618
|
|
|
$resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($result); |
619
|
|
|
|
620
|
|
|
$adminEmail = htmlspecialchars(trim(str_replace('mailto:', '', $resArray['contact'])), ENT_NOQUOTES); |
621
|
|
|
$repositoryName = htmlspecialchars($resArray['oai_label'], ENT_NOQUOTES); |
622
|
|
|
|
623
|
|
|
} else { |
624
|
|
|
$this->devLog('[tx_dlf_oai->verbIdentify()] Incomplete plugin configuration', SYSLOG_SEVERITY_NOTICE); |
|
|
|
|
625
|
|
|
} |
626
|
|
|
|
627
|
|
|
// Get earliest datestamp. Use a default value if that fails. |
628
|
|
|
|
629
|
|
|
$earliestDatestamp = '0000-00-00T00:00:00Z'; |
630
|
|
|
|
631
|
|
|
$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery( |
632
|
|
|
'tx_dlf_documents.tstamp AS tstamp', |
633
|
|
|
'tx_dlf_documents', |
634
|
|
|
'tx_dlf_documents.pid='.intval($this->conf['pages']), |
635
|
|
|
'', |
636
|
|
|
'tx_dlf_documents.tstamp ASC', |
637
|
|
|
'1' |
638
|
|
|
); |
639
|
|
|
|
640
|
|
|
if ($GLOBALS['TYPO3_DB']->sql_num_rows($result)) { |
641
|
|
|
list ($timestamp) = $GLOBALS['TYPO3_DB']->sql_fetch_row($result); |
642
|
|
|
$earliestDatestamp = gmdate('Y-m-d\TH:i:s\Z', $timestamp); |
643
|
|
|
} else { |
644
|
|
|
$this->devLog('[tx_dlf_oai->verbIdentify()] No records found with PID "'.$this->conf['pages'].'"', SYSLOG_SEVERITY_NOTICE); |
645
|
|
|
} |
646
|
|
|
|
647
|
|
|
$linkConf = array ( |
648
|
|
|
'parameter' => $GLOBALS['TSFE']->id, |
649
|
|
|
'forceAbsoluteUrl' => 1 |
650
|
|
|
); |
651
|
|
|
$baseURL = htmlspecialchars($this->cObj->typoLink_URL($linkConf), ENT_NOQUOTES); |
652
|
|
|
|
653
|
|
|
// Add identification node. |
654
|
|
|
$Identify = $this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'Identify'); |
655
|
|
|
$Identify->appendChild($this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'repositoryName', $repositoryName)); |
656
|
|
|
$Identify->appendChild($this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'baseURL', $baseURL)); |
657
|
|
|
$Identify->appendChild($this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'protocolVersion', '2.0')); |
658
|
|
|
$Identify->appendChild($this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'adminEmail', $adminEmail)); |
659
|
|
|
$Identify->appendChild($this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'earliestDatestamp', $earliestDatestamp)); |
660
|
|
|
$Identify->appendChild($this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'deletedRecord', 'transient')); |
661
|
|
|
$Identify->appendChild($this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'granularity', 'YYYY-MM-DDThh:mm:ssZ')); |
662
|
|
|
|
663
|
|
|
return $Identify; |
664
|
|
|
} |
665
|
|
|
|
666
|
|
|
/** |
667
|
|
|
* Process verb "ListIdentifiers" |
668
|
|
|
* |
669
|
|
|
* @access protected |
670
|
|
|
* |
671
|
|
|
* @return string Substitution for subpart "###RESPONSE###" |
672
|
|
|
*/ |
673
|
|
|
protected function verbListIdentifiers() { |
674
|
|
|
|
675
|
|
|
// If we have a resumption token we can continue our work |
676
|
|
|
if (!empty($this->piVars['resumptionToken'])) { |
677
|
|
|
// "resumptionToken" is an exclusive argument. |
678
|
|
|
if (count($this->piVars) > 2) { |
679
|
|
|
return $this->error('badArgument'); |
|
|
|
|
680
|
|
|
} else { |
681
|
|
|
return $this->resume(); |
682
|
|
|
} |
683
|
|
|
} |
684
|
|
|
|
685
|
|
|
// "metadataPrefix" is required and "identifier" is not allowed. |
686
|
|
|
if (empty($this->piVars['metadataPrefix']) || !empty($this->piVars['identifier'])) { |
687
|
|
|
return $this->error('badArgument'); |
|
|
|
|
688
|
|
|
} |
689
|
|
|
|
690
|
|
|
if (!in_array($this->piVars['metadataPrefix'], array_keys($this->formats))) { |
691
|
|
|
return $this->error('cannotDisseminateFormat'); |
|
|
|
|
692
|
|
|
} |
693
|
|
|
|
694
|
|
|
try { |
695
|
|
|
$documentSet = $this->fetchDocumentUIDs(); |
696
|
|
|
} catch (Exception $exception) { |
697
|
|
|
return $this->error($exception->getMessage()); |
|
|
|
|
698
|
|
|
} |
699
|
|
|
|
700
|
|
|
$resultSet = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('tx_dlf_list'); |
701
|
|
|
|
702
|
|
|
$resultSet->reset(); |
703
|
|
|
$resultSet->add($documentSet); |
704
|
|
|
$resultSet->metadata = array ( |
705
|
|
|
'completeListSize' => count($documentSet), |
706
|
|
|
'metadataPrefix' => $this->piVars['metadataPrefix'], |
707
|
|
|
); |
708
|
|
|
|
709
|
|
|
return $this->generateOutputForDocumentList($resultSet); |
|
|
|
|
710
|
|
|
|
711
|
|
|
} |
712
|
|
|
|
713
|
|
|
/** |
714
|
|
|
* Process verb "ListMetadataFormats" |
715
|
|
|
* |
716
|
|
|
* @access protected |
717
|
|
|
* |
718
|
|
|
* @return DOMElement XML node to add to the OAI response |
719
|
|
|
*/ |
720
|
|
|
protected function verbListMetadataFormats() { |
721
|
|
|
|
722
|
|
|
$resArray = array (); |
723
|
|
|
|
724
|
|
|
// Check for invalid arguments. |
725
|
|
|
if (count($this->piVars) > 1) { |
726
|
|
|
if (empty($this->piVars['identifier']) || count($this->piVars) > 2) { |
727
|
|
|
return $this->error('badArgument'); |
728
|
|
|
} |
729
|
|
|
|
730
|
|
|
// Check given identifier. |
731
|
|
|
$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery( |
732
|
|
|
'tx_dlf_documents.*', |
733
|
|
|
'tx_dlf_documents', |
734
|
|
|
'tx_dlf_documents.pid='.intval($this->conf['pages']).' AND tx_dlf_documents.record_id='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->piVars['identifier'], 'tx_dlf_documents'), |
735
|
|
|
'', |
736
|
|
|
'', |
737
|
|
|
'1' |
738
|
|
|
); |
739
|
|
|
|
740
|
|
|
if (!$GLOBALS['TYPO3_DB']->sql_num_rows($result)) { |
741
|
|
|
return $this->error('idDoesNotExist'); |
742
|
|
|
} |
743
|
|
|
|
744
|
|
|
$resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($result); |
745
|
|
|
} |
746
|
|
|
|
747
|
|
|
// Add metadata formats node. |
748
|
|
|
$ListMetadaFormats = $this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'ListMetadataFormats'); |
749
|
|
|
|
750
|
|
|
foreach ($this->formats as $prefix => $details) { |
751
|
|
|
if (!empty($resArray)) { |
752
|
|
|
foreach ($details['requiredFields'] as $required) { |
753
|
|
|
if (empty($resArray[$required])) { |
754
|
|
|
// Skip metadata formats whose requirements are not met. |
755
|
|
|
continue 2; |
756
|
|
|
} |
757
|
|
|
} |
758
|
|
|
} |
759
|
|
|
|
760
|
|
|
// Add format node. |
761
|
|
|
$format = $this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'metadataFormat'); |
762
|
|
|
|
763
|
|
|
$format->appendChild($this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'metadataPrefix', htmlspecialchars($prefix, ENT_NOQUOTES, 'UTF-8'))); |
764
|
|
|
$format->appendChild($this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'schema', htmlspecialchars($details['schema'], ENT_NOQUOTES, 'UTF-8'))); |
765
|
|
|
$format->appendChild($this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'metadataNamespace', htmlspecialchars($details['namespace'], ENT_NOQUOTES, 'UTF-8'))); |
766
|
|
|
|
767
|
|
|
$ListMetadaFormats->appendChild($format); |
768
|
|
|
} |
769
|
|
|
|
770
|
|
|
return $ListMetadaFormats; |
771
|
|
|
} |
772
|
|
|
|
773
|
|
|
/** |
774
|
|
|
* Process verb "ListRecords" |
775
|
|
|
* |
776
|
|
|
* @access protected |
777
|
|
|
* |
778
|
|
|
* @return string Substitution for subpart "###RESPONSE###" |
779
|
|
|
*/ |
780
|
|
|
protected function verbListRecords() { |
781
|
|
|
|
782
|
|
|
// Check for invalid arguments. |
783
|
|
|
if (!empty($this->piVars['resumptionToken'])) { |
784
|
|
|
// "resumptionToken" is an exclusive argument. |
785
|
|
|
if (count($this->piVars) > 2) { |
786
|
|
|
return $this->error('badArgument'); |
|
|
|
|
787
|
|
|
} else { |
788
|
|
|
return $this->resume(); |
789
|
|
|
} |
790
|
|
|
|
791
|
|
|
} |
792
|
|
|
|
793
|
|
|
if (empty($this->piVars['metadataPrefix']) || !empty($this->piVars['identifier'])) { |
794
|
|
|
// "metadataPrefix" is required and "identifier" is not allowed. |
795
|
|
|
return $this->error('badArgument'); |
|
|
|
|
796
|
|
|
} |
797
|
|
|
|
798
|
|
|
// Check "metadataPrefix" for valid value. |
799
|
|
|
if (!in_array($this->piVars['metadataPrefix'], array_keys($this->formats))) { |
800
|
|
|
return $this->error('cannotDisseminateFormat'); |
|
|
|
|
801
|
|
|
} |
802
|
|
|
|
803
|
|
|
try { |
804
|
|
|
$documentSet = $this->fetchDocumentUIDs(); |
805
|
|
|
} catch (Exception $exception) { |
806
|
|
|
return $this->error($exception->getMessage()); |
|
|
|
|
807
|
|
|
} |
808
|
|
|
|
809
|
|
|
$resultSet = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('tx_dlf_list'); |
810
|
|
|
|
811
|
|
|
$resultSet->reset(); |
812
|
|
|
$resultSet->add($documentSet); |
813
|
|
|
$resultSet->metadata = array ( |
814
|
|
|
'completeListSize' => count($documentSet), |
815
|
|
|
'metadataPrefix' => $this->piVars['metadataPrefix'], |
816
|
|
|
); |
817
|
|
|
|
818
|
|
|
return $this->generateOutputForDocumentList($resultSet); |
|
|
|
|
819
|
|
|
} |
820
|
|
|
|
821
|
|
|
/** |
822
|
|
|
* Process verb "ListSets" |
823
|
|
|
* |
824
|
|
|
* @access protected |
825
|
|
|
* |
826
|
|
|
* @return string Substitution for subpart "###RESPONSE###" |
827
|
|
|
*/ |
828
|
|
|
protected function verbListSets() { |
829
|
|
|
|
830
|
|
|
// Check for invalid arguments. |
831
|
|
|
if (count($this->piVars) > 1) { |
832
|
|
|
if (!empty($this->piVars['resumptionToken'])) { |
833
|
|
|
return $this->error('badResumptionToken'); |
|
|
|
|
834
|
|
|
} else { |
835
|
|
|
return $this->error('badArgument'); |
|
|
|
|
836
|
|
|
} |
837
|
|
|
} |
838
|
|
|
|
839
|
|
|
$where = ''; |
840
|
|
|
|
841
|
|
|
if (!$this->conf['show_userdefined']) { |
842
|
|
|
$where = ' AND tx_dlf_collections.fe_cruser_id=0'; |
843
|
|
|
} |
844
|
|
|
|
845
|
|
|
$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery( |
846
|
|
|
'tx_dlf_collections.oai_name AS oai_name,tx_dlf_collections.label AS label', |
847
|
|
|
'tx_dlf_collections', |
848
|
|
|
'tx_dlf_collections.sys_language_uid IN (-1,0) AND NOT tx_dlf_collections.oai_name=\'\' AND tx_dlf_collections.pid='.intval($this->conf['pages']).$where.tx_dlf_helper::whereClause('tx_dlf_collections'), |
849
|
|
|
'tx_dlf_collections.oai_name', |
850
|
|
|
'tx_dlf_collections.oai_name', |
851
|
|
|
'' |
852
|
|
|
); |
853
|
|
|
|
854
|
|
|
if (!$GLOBALS['TYPO3_DB']->sql_num_rows($result)) { |
855
|
|
|
return $this->error('noSetHierarchy'); |
|
|
|
|
856
|
|
|
} |
857
|
|
|
|
858
|
|
|
$ListSets = $this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'ListSets'); |
859
|
|
|
|
860
|
|
|
while ($resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($result)) { |
861
|
|
|
|
862
|
|
|
$set = $this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'set'); |
863
|
|
|
|
864
|
|
|
$set->appendChild($this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'setSpec', htmlspecialchars($resArray['oai_name'], ENT_NOQUOTES, 'UTF-8'))); |
865
|
|
|
$set->appendChild($this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'setName', htmlspecialchars($resArray['label'], ENT_NOQUOTES, 'UTF-8'))); |
866
|
|
|
|
867
|
|
|
$ListSets->appendChild($set); |
868
|
|
|
} |
869
|
|
|
|
870
|
|
|
return $ListSets; |
|
|
|
|
871
|
|
|
} |
872
|
|
|
|
873
|
|
|
|
874
|
|
|
|
875
|
|
|
/** |
876
|
|
|
* @return array |
877
|
|
|
* @throws Exception |
878
|
|
|
*/ |
879
|
|
|
private function fetchDocumentUIDs() { |
880
|
|
|
$solr_query = ''; |
881
|
|
|
|
882
|
|
|
if (!$this->conf['show_userdefined']) { |
883
|
|
|
$where = ' AND tx_dlf_collections.fe_cruser_id=0'; |
884
|
|
|
} |
885
|
|
|
|
886
|
|
|
// Check "set" for valid value. |
887
|
|
|
if (!empty($this->piVars['set'])) { |
888
|
|
|
|
889
|
|
|
// For SOLR we need the index_name of the collection, |
890
|
|
|
// For DB Query we need the UID of the collection |
891
|
|
|
$result = $GLOBALS['TYPO3_DB']->exec_SELECTquery( |
892
|
|
|
'tx_dlf_collections.index_name AS index_name, tx_dlf_collections.uid AS uid, tx_dlf_collections.index_search as index_query ', |
893
|
|
|
'tx_dlf_collections', |
894
|
|
|
'tx_dlf_collections.pid='.intval($this->conf['pages']).' AND tx_dlf_collections.oai_name='.$GLOBALS['TYPO3_DB']->fullQuoteStr($this->piVars['set'], |
895
|
|
|
'tx_dlf_collections').$where.tx_dlf_helper::whereClause('tx_dlf_collections'), |
|
|
|
|
896
|
|
|
'', |
897
|
|
|
'', |
898
|
|
|
'1' |
899
|
|
|
); |
900
|
|
|
|
901
|
|
|
if (!$GLOBALS['TYPO3_DB']->sql_num_rows($result)) { |
902
|
|
|
throw new Exception('noSetHierarchy'); |
903
|
|
|
} |
904
|
|
|
|
905
|
|
|
$resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($result); |
906
|
|
|
|
907
|
|
|
if ($resArray['index_query'] != "") { |
908
|
|
|
$solr_query .= '('.$resArray['index_query'].')'; |
909
|
|
|
} else { |
910
|
|
|
$solr_query .= 'collection:'.'"'.$resArray['index_name'].'"'; |
911
|
|
|
} |
912
|
|
|
|
913
|
|
|
} else { |
914
|
|
|
// If no set is specified we have to query for all collections |
915
|
|
|
$solr_query .= 'collection:* NOT collection:""'; |
916
|
|
|
|
917
|
|
|
} |
918
|
|
|
|
919
|
|
|
// Check for required fields. |
920
|
|
|
foreach ($this->formats[$this->piVars['metadataPrefix']]['requiredFields'] as $required) { |
921
|
|
|
$solr_query .= ' NOT '.$required.':""'; |
922
|
|
|
} |
923
|
|
|
|
924
|
|
|
$from = "*"; |
925
|
|
|
// Check "from" for valid value. |
926
|
|
|
if (!empty($this->piVars['from'])) { |
927
|
|
|
|
928
|
|
|
// Is valid format? |
929
|
|
|
if (is_array($date_array = strptime($this->piVars['from'], |
930
|
|
|
'%Y-%m-%dT%H:%M:%SZ')) || is_array($date_array = strptime($this->piVars['from'], '%Y-%m-%d'))) { |
931
|
|
|
|
932
|
|
|
$timestamp = gmmktime($date_array['tm_hour'], $date_array['tm_min'], $date_array['tm_sec'], $date_array['tm_mon'] + 1, |
933
|
|
|
$date_array['tm_mday'], $date_array['tm_year'] + 1900); |
934
|
|
|
|
935
|
|
|
$from = date("Y-m-d", $timestamp).'T'.date("H:i:s", $timestamp).'.000Z'; |
936
|
|
|
|
937
|
|
|
} else { |
938
|
|
|
throw new Exception('badArgument'); |
939
|
|
|
} |
940
|
|
|
} |
941
|
|
|
|
942
|
|
|
$until = "*"; |
943
|
|
|
// Check "until" for valid value. |
944
|
|
|
if (!empty($this->piVars['until'])) { |
945
|
|
|
|
946
|
|
|
// Is valid format? |
947
|
|
|
if (is_array($date_array = strptime($this->piVars['until'], |
948
|
|
|
'%Y-%m-%dT%H:%M:%SZ')) || is_array($date_array = strptime($this->piVars['until'], '%Y-%m-%d'))) { |
949
|
|
|
|
950
|
|
|
$timestamp = gmmktime($date_array['tm_hour'], $date_array['tm_min'], $date_array['tm_sec'], $date_array['tm_mon'] + 1, |
951
|
|
|
$date_array['tm_mday'], $date_array['tm_year'] + 1900); |
952
|
|
|
|
953
|
|
|
$until = date("Y-m-d", $timestamp).'T'.date("H:i:s", $timestamp).'.999Z'; |
954
|
|
|
|
955
|
|
|
if ($from != "*" && $from > $until) { |
956
|
|
|
throw new Exception('badArgument'); |
957
|
|
|
} |
958
|
|
|
|
959
|
|
|
} else { |
960
|
|
|
throw new Exception('badArgument'); |
961
|
|
|
} |
962
|
|
|
} |
963
|
|
|
|
964
|
|
|
// Check "from" and "until" for same granularity. |
965
|
|
|
if (!empty($this->piVars['from']) && !empty($this->piVars['until'])) { |
966
|
|
|
if (strlen($this->piVars['from']) != strlen($this->piVars['until'])) { |
967
|
|
|
throw new Exception('badArgument'); |
968
|
|
|
} |
969
|
|
|
} |
970
|
|
|
|
971
|
|
|
$solr_query .= ' AND timestamp:['.$from.' TO '.$until.']'; |
972
|
|
|
|
973
|
|
|
$documentSet = array (); |
974
|
|
|
|
975
|
|
|
$solr = tx_dlf_solr::getInstance($this->conf['solrcore']); |
976
|
|
|
|
977
|
|
|
// We only care about the UID in the results and want them sorted |
978
|
|
|
$parameters = array ("fl" => "uid", "sort" => "uid asc"); |
979
|
|
|
|
980
|
|
|
$result = $solr->search_raw($solr_query, $parameters); |
981
|
|
|
|
982
|
|
|
if (empty($result)) { |
983
|
|
|
throw new Exception('noRecordsMatch'); |
984
|
|
|
} |
985
|
|
|
|
986
|
|
|
foreach ($result as $doc) { |
987
|
|
|
$documentSet[] = $doc->uid; |
988
|
|
|
} |
989
|
|
|
|
990
|
|
|
return $documentSet; |
991
|
|
|
} |
992
|
|
|
|
993
|
|
|
/** |
994
|
|
|
* @param tx_dlf_list $documentListSet |
995
|
|
|
* @return DOMElement |
996
|
|
|
*/ |
997
|
|
|
private function generateOutputForDocumentList($documentListSet) { |
998
|
|
|
|
999
|
|
|
$documentsToProcess = $documentListSet->removeRange(0, intval($this->conf['limit'])); |
1000
|
|
|
$verb = $this->piVars['verb']; |
1001
|
|
|
|
1002
|
|
|
$documents = $GLOBALS['TYPO3_DB']->exec_SELECT_mm_query( |
1003
|
|
|
'tx_dlf_documents.*,GROUP_CONCAT(DISTINCT tx_dlf_collections.oai_name ORDER BY tx_dlf_collections.oai_name SEPARATOR " ") AS collections', |
1004
|
|
|
'tx_dlf_documents', |
1005
|
|
|
'tx_dlf_relations', |
1006
|
|
|
'tx_dlf_collections', |
1007
|
|
|
'AND tx_dlf_documents.uid IN ('.implode(',', $GLOBALS['TYPO3_DB']->cleanIntArray($documentsToProcess)).') AND tx_dlf_documents.pid='.intval($this->conf['pages']).' AND tx_dlf_collections.pid='.intval($this->conf['pages']).' AND tx_dlf_relations.ident='.$GLOBALS['TYPO3_DB']->fullQuoteStr('docs_colls', 'tx_dlf_relations').tx_dlf_helper::whereClause('tx_dlf_collections'), |
1008
|
|
|
'tx_dlf_documents.uid', |
1009
|
|
|
'tx_dlf_documents.tstamp', |
1010
|
|
|
$this->conf['limit'] |
1011
|
|
|
); |
1012
|
|
|
|
1013
|
|
|
$output = $this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', $verb); |
1014
|
|
|
|
1015
|
|
|
while ($resArray = $GLOBALS['TYPO3_DB']->sql_fetch_assoc($documents)) { |
1016
|
|
|
// Add header node. |
1017
|
|
|
$header = $this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'header'); |
1018
|
|
|
|
1019
|
|
|
$header->appendChild($this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'identifier', htmlspecialchars($resArray['record_id'], ENT_NOQUOTES, 'UTF-8'))); |
1020
|
|
|
$header->appendChild($this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'datestamp', gmdate('Y-m-d\TH:i:s\Z', $resArray['tstamp']))); |
1021
|
|
|
|
1022
|
|
|
// Check if document is deleted or hidden. |
1023
|
|
|
// TODO: Use TYPO3 API functions here! |
1024
|
|
|
if ($resArray['deleted'] || $resArray['hidden']) { |
1025
|
|
|
// Add "deleted" status. |
1026
|
|
|
$header->setAttribute('status', 'deleted'); |
1027
|
|
|
|
1028
|
|
|
if ($verb == 'ListRecords') { |
1029
|
|
|
// Add record node. |
1030
|
|
|
$record = $this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'record'); |
1031
|
|
|
|
1032
|
|
|
$record->appendChild($header); |
1033
|
|
|
$output->appendChild($record); |
1034
|
|
|
|
1035
|
|
|
} elseif ($verb == 'ListIdentifiers') { |
1036
|
|
|
$output->appendChild($header); |
1037
|
|
|
} |
1038
|
|
|
|
1039
|
|
|
} else { |
1040
|
|
|
// Add sets. |
1041
|
|
|
foreach (explode(' ', $resArray['collections']) as $spec) { |
1042
|
|
|
$header->appendChild($this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'setSpec', htmlspecialchars($spec, ENT_NOQUOTES, 'UTF-8'))); |
1043
|
|
|
} |
1044
|
|
|
|
1045
|
|
|
if ($verb == 'ListRecords') { |
1046
|
|
|
// Add record node. |
1047
|
|
|
$record = $this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'record'); |
1048
|
|
|
|
1049
|
|
|
$record->appendChild($header); |
1050
|
|
|
|
1051
|
|
|
// Add metadata node. |
1052
|
|
|
$metadata = $this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'metadata'); |
1053
|
|
|
|
1054
|
|
|
$metadataPrefix = $this->piVars['metadataPrefix']; |
1055
|
|
|
if (!$metadataPrefix) { |
1056
|
|
|
// If we resume an action the metadataPrefix is stored with the documentSet |
1057
|
|
|
$metadataPrefix = $documentListSet->metadata['metadataPrefix']; |
1058
|
|
|
} |
1059
|
|
|
|
1060
|
|
|
switch ($metadataPrefix) { |
1061
|
|
|
case 'oai_dc': |
1062
|
|
|
$metadata->appendChild($this->getDcData($resArray)); |
1063
|
|
|
break; |
1064
|
|
|
|
1065
|
|
|
case 'epicur': |
1066
|
|
|
$metadata->appendChild($this->getEpicurData($resArray)); |
1067
|
|
|
break; |
1068
|
|
|
|
1069
|
|
|
case 'mets': |
1070
|
|
|
$metadata->appendChild($this->getMetsData($resArray)); |
1071
|
|
|
break; |
1072
|
|
|
} |
1073
|
|
|
|
1074
|
|
|
$record->appendChild($metadata); |
1075
|
|
|
$output->appendChild($record); |
1076
|
|
|
|
1077
|
|
|
} elseif ($verb == 'ListIdentifiers') { |
1078
|
|
|
$output->appendChild($header); |
1079
|
|
|
} |
1080
|
|
|
} |
1081
|
|
|
} |
1082
|
|
|
|
1083
|
|
|
$output->appendChild($this->generateResumptionTokenForDocumentListSet($documentListSet)); |
1084
|
|
|
|
1085
|
|
|
return $output; |
1086
|
|
|
} |
1087
|
|
|
|
1088
|
|
|
/** |
1089
|
|
|
* @param tx_dlf_list $documentListSet |
1090
|
|
|
* @return DOMElement |
1091
|
|
|
*/ |
1092
|
|
|
private function generateResumptionTokenForDocumentListSet($documentListSet) { |
1093
|
|
|
$resumptionToken = $this->oai->createElementNS('http://www.openarchives.org/OAI/2.0/', 'resumptionToken'); |
1094
|
|
|
|
1095
|
|
|
if ($documentListSet->count() != 0) { |
1096
|
|
|
|
1097
|
|
|
$token = uniqid(); |
1098
|
|
|
|
1099
|
|
|
$GLOBALS['TYPO3_DB']->exec_INSERTquery( |
1100
|
|
|
'tx_dlf_tokens', |
1101
|
|
|
array ( |
1102
|
|
|
'tstamp' => $GLOBALS['EXEC_TIME'], |
1103
|
|
|
'token' => $token, |
1104
|
|
|
'options' => serialize($documentListSet), |
1105
|
|
|
'ident' => 'oai', |
1106
|
|
|
) |
1107
|
|
|
); |
1108
|
|
|
|
1109
|
|
|
if ($GLOBALS['TYPO3_DB']->sql_affected_rows() == 1) { |
1110
|
|
|
$resumptionToken->setAttribute('resumptionToken', htmlspecialchars($token, ENT_NOQUOTES, 'UTF-8')); |
1111
|
|
|
} else { |
1112
|
|
|
$this->devLog('[tx_dlf_oai->verb'.$this->piVars['verb'].'()] Could not create resumption token', SYSLOG_SEVERITY_ERROR); |
|
|
|
|
1113
|
|
|
} |
1114
|
|
|
} |
1115
|
|
|
|
1116
|
|
|
$resumptionToken->setAttribute('cursor', intval($documentListSet->metadata['completeListSize']) - count($documentListSet)); |
1117
|
|
|
$resumptionToken->setAttribute('completeListSize', $documentListSet->metadata['completeListSize']); |
1118
|
|
|
$resumptionToken->setAttribute('expirationDate', gmdate('Y-m-d\TH:i:s\Z', $GLOBALS['EXEC_TIME'] + $this->conf['expired'])); |
1119
|
|
|
|
1120
|
|
|
return $resumptionToken; |
1121
|
|
|
} |
1122
|
|
|
|
1123
|
|
|
private function devLog($message, $severity, $data = NULL) { |
1124
|
|
|
if (TYPO3_DLOG) { |
|
|
|
|
1125
|
|
|
\TYPO3\CMS\Core\Utility\GeneralUtility::devLog($message, $this->extKey, $severity, $data); |
1126
|
|
|
} |
1127
|
|
|
} |
1128
|
|
|
|
1129
|
|
|
} |
1130
|
|
|
|
1131
|
|
|
if (defined('TYPO3_MODE') && $TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['ext/dlf/plugins/oai/class.tx_dlf_oai.php']) { |
|
|
|
|
1132
|
|
|
include_once($TYPO3_CONF_VARS[TYPO3_MODE]['XCLASS']['ext/dlf/plugins/oai/class.tx_dlf_oai.php']); |
1133
|
|
|
|
1134
|
|
|
} |
1135
|
|
|
|