mirror of
https://github.com/Yetangitu/owncloud-apps.git
synced 2025-10-03 14:59:19 +02:00
91 lines
2.4 KiB
PHP
91 lines
2.4 KiB
PHP
<?php
|
|
|
|
/**
|
|
* ownCloud - Files_Opds App
|
|
*
|
|
* @author Frank de Lange
|
|
* @copyright 2014 Frank de Lange
|
|
*
|
|
* This file is licensed under the Affero General Public License version 3 or
|
|
* later.
|
|
*/
|
|
|
|
namespace OCA\Files_Opds;
|
|
|
|
/**
|
|
* Calibre metadata class for OPDS
|
|
*/
|
|
class Calibre
|
|
{
|
|
/**
|
|
* @brief get Calibre-generated metadata
|
|
*
|
|
* @param string $path path to file
|
|
* @param arrayref $meta reference to array of metadata
|
|
* @return bool true if metadata found
|
|
*/
|
|
public static function get($path,&$meta) {
|
|
$dir = pathinfo($path)['dirname'];
|
|
$opf = $dir . '/metadata.opf';
|
|
if ((file_exists($opf)) && ($package = simplexml_load_file($opf))) {
|
|
$package->registerXPathNamespace('o', "http://www.idpf.org/2007/opf");
|
|
if(($cover = $package->xpath('//o:reference[@type="cover"]/@href')[0]) && (file_exists($dir . '/' . $cover))) {
|
|
$meta['cover'] = $cover;
|
|
}
|
|
return self::parse($package->metadata->children('dc', true),$meta);
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief parse Calibre metadata.opf into OPDS $meta array
|
|
*
|
|
* @param SimpleXMLElement $data SimpleXMLElement object containing DC/OPF metadata
|
|
* @param arrayref &$meta
|
|
* @return bool true if metadata is valid
|
|
*/
|
|
static function parse($data,&$meta) {
|
|
foreach ($data as $key => $value) {
|
|
switch ($key) {
|
|
case 'title':
|
|
$meta['title'] = strip_tags($value);
|
|
break;
|
|
case 'creator':
|
|
if(!($author = json_decode($meta['author'],true))) {
|
|
$author = array();
|
|
}
|
|
$fileAs = $value->attributes('opf',true)->{'file-as'};
|
|
$author[(string) $fileAs] = strip_tags($value);
|
|
$meta['author'] = json_encode($author);
|
|
break;
|
|
case 'description':
|
|
$meta['description'] = strip_tags($value);
|
|
break;
|
|
case 'publisher':
|
|
$meta['publisher'] = strip_tags($value);
|
|
break;
|
|
case 'identifier':
|
|
if('ISBN' == $value->attributes('opf',true)->scheme) {
|
|
$meta['isbn'] = strip_tags($value);
|
|
}
|
|
break;
|
|
case 'subject':
|
|
if(!($subject = json_decode($meta['subjects'],true))) {
|
|
$subject = array();
|
|
}
|
|
array_push($subject,strip_tags($value));
|
|
$meta['subjects'] = json_encode($subject);
|
|
break;
|
|
case 'date':
|
|
$meta['date'] = strip_tags($value);
|
|
break;
|
|
case 'language':
|
|
$meta['language'] = strip_tags($value);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return Meta::isValid($meta);
|
|
}
|
|
}
|