mirror of
https://github.com/standardebooks/web.git
synced 2025-07-06 14:50:39 -04:00
111 lines
5.5 KiB
PHP
Executable file
111 lines
5.5 KiB
PHP
Executable file
<?
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$longopts = array("webroot:", "weburl:");
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$options = getopt("", $longopts);
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$webRoot = $options["webroot"] ?? "/standardebooks.org/web";
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$webUrl = $options["weburl"] ?? "https://standardebooks.org";
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$contentFiles = explode("\n", trim(shell_exec('find ' . escapeshellarg($webRoot . '/www/ebooks/') . ' -name "content.opf" | sort') ?? ''));
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print("<?xml version=\"1.0\" encoding=\"utf-8\"?>\n");
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?>
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<feed xmlns="http://www.w3.org/2005/Atom" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:schema="http://schema.org/">
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<id><?= $webUrl ?>/opds/all</id>
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<link href="<?= $webUrl ?>/opds/all" rel="self" type="application/atom+xml;profile=opds-catalog;kind=acquisition"/>
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<link href="<?= $webUrl ?>/opds/" rel="start" type="application/atom+xml;profile=opds-catalog;kind=navigation"/>
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<title>All Standard Ebooks</title>
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<subtitle>Free and liberated ebooks, carefully produced for the true book lover.</subtitle>
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<icon><?= $webUrl ?>/images/logo.png</icon>
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<updated><?= gmdate('Y-m-d\TH:i:s\Z') ?></updated>
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<author>
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<name>Standard Ebooks</name>
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<uri><?= $webUrl ?></uri>
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</author>
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<? foreach($contentFiles as $path){
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if($path == '')
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continue;
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$xml = new SimpleXMLElement(str_replace('xmlns=', 'ns=', file_get_contents("$path") ?: ''));
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$xml->registerXPathNamespace('dc', 'http://purl.org/dc/elements/1.1/');
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$authors = array();
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$temp = $xml->xpath('/package/metadata/dc:identifier') ?: [];
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$url = preg_replace('/^url:/ius', '', (string)array_shift($temp)) ?? '';
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$url = preg_replace('/^https:\/\/standardebooks.org/ius', $webUrl, $url) ?? '';
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$relativeUrl = preg_replace('/^' . preg_quote($webUrl, '/') . '/ius', '', $url) ?? '';
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$temp = $xml->xpath('/package/metadata/dc:title') ?: [];
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$title = array_shift($temp);
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$temp = $xml->xpath('/package/metadata/meta[@property="se:long-description"]') ?: [];
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$longDescription = array_shift($temp);
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$authors = $xml->xpath('/package/metadata/dc:creator') ?: [];
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$temp = $xml->xpath('/package/metadata/dc:date') ?: [];
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$published = array_shift($temp);
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$temp = $xml->xpath('/package/metadata/dc:language') ?: [];
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$language = array_shift($temp);
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$temp = $xml->xpath('/package/metadata/meta[@property="dcterms:modified"]') ?: [];
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$modified = array_shift($temp);
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$temp = $xml->xpath('/package/metadata/dc:description') ?: [];
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$description = array_shift($temp);
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$subjects = $xml->xpath('/package/metadata/dc:subject') ?: [];
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$sources = $xml->xpath('/package/metadata/dc:source') ?: [];
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$filesystemPath = preg_replace('/\/src\/epub\/content.opf$/ius', '', $path) ?? '';
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$temp = glob($filesystemPath . '/dist/*.epub');
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$epubFilename = preg_replace('/(\|\.epub)/ius', '', preg_replace('/.+\//ius', '', array_shift($temp) ?? '') ?? '') ?? '';
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$temp = glob($filesystemPath . '/dist/*.azw3');
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$kindleFilename = preg_replace('/.+\//ius', '', array_shift($temp) ?? '') ?? '';
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?>
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<entry>
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<id><?= $url ?></id>
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<title><?= $title ?></title>
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<? foreach($authors as $author){
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$id = '';
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if($author->attributes() !== null){
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$id = $author->attributes()->id;
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}
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$temp = $xml->xpath('/package/metadata/meta[@property="se:url.encyclopedia.wikipedia"][@refines="#' . $id . '"]') ?: [];
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$wikiUrl = array_shift($temp);
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$temp = $xml->xpath('/package/metadata/meta[@property="se:name.person.full-name"][@refines="#' . $id . '"]') ?: [];
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$fullName = array_shift($temp);
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$temp = $xml->xpath('/package/metadata/meta[@property="se:url.authority.nacoaf"][@refines="#' . $id . '"]') ?: [];
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$nacoafLink = array_shift($temp);
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?>
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<author>
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<name><?= $author ?></name>
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<? if($wikiUrl !== null){ ?><uri><?= $wikiUrl ?></uri><? } ?>
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<? if($fullName !== null){ ?><schema:alternateName><?= $fullName ?></schema:alternateName><? } ?>
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<? if($nacoafLink !== null){ ?><schema:sameAs><?= $nacoafLink ?></schema:sameAs><? } ?>
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</author>
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<? } ?>
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<published><?= $published ?></published>
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<updated><?= $modified ?></updated>
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<dc:language><?= $language ?></dc:language>
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<dc:publisher>Standard Ebooks</dc:publisher>
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<? foreach($sources as $source){ ?>
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<dc:source><?= $source ?></dc:source>
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<? } ?>
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<rights>Public domain in the United States; original content released to the public domain via the Creative Commons CC0 1.0 Universal Public Domain Dedication</rights>
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<summary type="text"><?= htmlspecialchars($description, ENT_QUOTES, 'UTF-8') ?></summary>
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<content type="text/html"><?= $longDescription ?></content>
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<? foreach($subjects as $subject){ ?>
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<category scheme="http://purl.org/dc/terms/LCSH" term="<?= htmlspecialchars($subject, ENT_QUOTES, 'UTF-8') ?>"/>
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<? } ?>
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<link href="<?= $relativeUrl ?>/dist/cover.jpg" rel="http://opds-spec.org/image" type="image/jpeg"/>
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<link href="<?= $relativeUrl ?>/dist/cover-thumbnail.jpg" rel="http://opds-spec.org/image/thumbnail" type="image/jpeg"/>
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<link href="<?= $relativeUrl ?>/src/epub/images/cover.svg" rel="http://opds-spec.org/image" type="image/svg+xml"/>
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<link href="<?= $relativeUrl ?>/dist/<?= $epubFilename ?>" rel="http://opds-spec.org/acquisition/open-access" type="application/epub+zip"/>
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<link href="<?= $relativeUrl ?>/dist/<?= $epubFilename ?>3" rel="http://opds-spec.org/acquisition/open-access" type="application/epub+zip"/>
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<link href="<?= $relativeUrl ?>/dist/<?= preg_replace('/\.epub$/ius', '.kepub.epub', $epubFilename) ?>" rel="http://opds-spec.org/acquisition/open-access" type="application/kepub+zip"/>
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<link href="<?= $relativeUrl ?>/dist/<?= $kindleFilename ?>" rel="http://opds-spec.org/acquisition/open-access" type="application/x-mobipocket-ebook"/>
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</entry>
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<? } ?>
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</feed>
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