181 lines
7.6 KiB
PHP
181 lines
7.6 KiB
PHP
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<?php
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/**
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* COPS (Calibre OPDS PHP Server) class file
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*
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* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
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* @author S<EFBFBD>bastien Lucas <sebastien@slucas.fr>
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*/
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require_once ("base.php");
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class OPDSRenderer
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{
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const PAGE_OPENSEARCH = "8";
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private $xmlStream = NULL;
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private $updated = NULL;
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private function getUpdatedTime () {
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if (is_null ($this->updated)) {
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$this->updated = time();
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}
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return date (DATE_ATOM, $this->updated);
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}
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private function getXmlStream () {
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if (is_null ($this->xmlStream)) {
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$this->xmlStream = new XMLWriter();
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$this->xmlStream->openMemory();
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$this->xmlStream->setIndent (true);
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}
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return $this->xmlStream;
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}
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public function getOpenSearch () {
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$xml = new XMLWriter ();
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$xml->openMemory ();
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$xml->setIndent (true);
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$xml->startDocument('1.0','UTF-8');
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$xml->startElement ("OpenSearchDescription");
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$xml->startElement ("ShortName");
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$xml->text ("My catalog");
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$xml->endElement ();
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$xml->startElement ("InputEncoding");
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$xml->text ("UTF-8");
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$xml->endElement ();
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$xml->startElement ("OutputEncoding");
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$xml->text ("UTF-8");
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$xml->endElement ();
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$xml->startElement ("Image");
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$xml->text ("favicon.ico");
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$xml->endElement ();
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$xml->startElement ("Url");
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$xml->writeAttribute ("type", 'application/atom+xml');
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$xml->writeAttribute ("template", 'feed.php?page=' . self::PAGE_OPENSEARCH_QUERY . '&query={searchTerms}');
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$xml->endElement ();
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$xml->endElement ();
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$xml->endDocument();
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return $xml->outputMemory(true);
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}
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private function startXmlDocument ($title) {
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self::getXmlStream ()->startDocument('1.0','UTF-8');
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self::getXmlStream ()->startElement ("feed");
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self::getXmlStream ()->writeAttribute ("xmlns", "http://www.w3.org/2005/Atom");
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self::getXmlStream ()->writeAttribute ("xmlns:xhtml", "http://www.w3.org/1999/xhtml");
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self::getXmlStream ()->writeAttribute ("xmlns:opds", "http://opds-spec.org/2010/catalog");
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self::getXmlStream ()->writeAttribute ("xmlns:opensearch", "http://a9.com/-/spec/opensearch/1.1/");
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self::getXmlStream ()->writeAttribute ("xmlns:dcterms", "http://purl.org/dc/terms/");
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self::getXmlStream ()->startElement ("title");
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self::getXmlStream ()->text ($title);
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self::getXmlStream ()->endElement ();
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self::getXmlStream ()->startElement ("id");
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self::getXmlStream ()->text ($_SERVER['REQUEST_URI']);
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self::getXmlStream ()->endElement ();
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self::getXmlStream ()->startElement ("updated");
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self::getXmlStream ()->text (self::getUpdatedTime ());
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self::getXmlStream ()->endElement ();
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self::getXmlStream ()->startElement ("icon");
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self::getXmlStream ()->text ("favicon.ico");
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self::getXmlStream ()->endElement ();
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self::getXmlStream ()->startElement ("author");
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self::getXmlStream ()->startElement ("name");
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self::getXmlStream ()->text (utf8_encode ("S<EFBFBD>bastien Lucas"));
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self::getXmlStream ()->endElement ();
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self::getXmlStream ()->startElement ("uri");
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self::getXmlStream ()->text ("http://blog.slucas.fr");
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self::getXmlStream ()->endElement ();
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self::getXmlStream ()->startElement ("email");
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self::getXmlStream ()->text ("sebastien@slucas.fr");
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self::getXmlStream ()->endElement ();
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self::getXmlStream ()->endElement ();
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$link = new LinkNavigation ("feed.php", "start", "Home");
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self::renderLink ($link);
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$link = new LinkNavigation ($_SERVER['REQUEST_URI'], "self");
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self::renderLink ($link);
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$link = new Link ("feed.php?page=" . self::PAGE_OPENSEARCH, "application/opensearchdescription+xml", "search", "Search here");
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self::renderLink ($link);
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}
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private function endXmlDocument () {
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self::getXmlStream ()->endElement ();
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self::getXmlStream ()->endDocument ();
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return self::getXmlStream ()->outputMemory(true);
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}
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private function renderLink ($link) {
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self::getXmlStream ()->startElement ("link");
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self::getXmlStream ()->writeAttribute ("href", $link->href);
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self::getXmlStream ()->writeAttribute ("type", $link->type);
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if (!is_null ($link->rel)) {
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self::getXmlStream ()->writeAttribute ("rel", $link->rel);
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}
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if (!is_null ($link->title)) {
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self::getXmlStream ()->writeAttribute ("title", $link->title);
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}
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self::getXmlStream ()->endElement ();
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}
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private function renderEntry ($entry) {
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self::getXmlStream ()->startElement ("title");
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self::getXmlStream ()->text ($entry->title);
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self::getXmlStream ()->endElement ();
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self::getXmlStream ()->startElement ("updated");
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self::getXmlStream ()->text (self::getUpdatedTime ());
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self::getXmlStream ()->endElement ();
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self::getXmlStream ()->startElement ("id");
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self::getXmlStream ()->text ($entry->id);
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self::getXmlStream ()->endElement ();
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self::getXmlStream ()->startElement ("content");
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self::getXmlStream ()->writeAttribute ("type", $entry->contentType);
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if ($entry->contentType == "text") {
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self::getXmlStream ()->text ($entry->content);
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} else {
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self::getXmlStream ()->writeRaw ($entry->content);
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}
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self::getXmlStream ()->endElement ();
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foreach ($entry->linkArray as $link) {
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self::renderLink ($link);
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}
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if (get_class ($entry) != "EntryBook") {
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return;
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}
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foreach ($entry->book->getAuthors () as $author) {
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self::getXmlStream ()->startElement ("author");
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self::getXmlStream ()->startElement ("name");
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self::getXmlStream ()->text ($author->name);
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self::getXmlStream ()->endElement ();
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self::getXmlStream ()->startElement ("uri");
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self::getXmlStream ()->text ($author->getUri ());
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self::getXmlStream ()->endElement ();
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self::getXmlStream ()->endElement ();
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}
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foreach ($entry->book->getTags () as $category) {
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self::getXmlStream ()->startElement ("category");
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self::getXmlStream ()->writeAttribute ("term", $category);
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self::getXmlStream ()->writeAttribute ("label", $category);
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self::getXmlStream ()->endElement ();
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}
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if (!is_null ($entry->book->pubdate)) {
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self::getXmlStream ()->startElement ("dcterms:issued");
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self::getXmlStream ()->text (date ("Y-m-d", $entry->book->pubdate));
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self::getXmlStream ()->endElement ();
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}
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}
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public function render ($page) {
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self::startXmlDocument ($page->title);
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foreach ($page->entryArray as $entry) {
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self::getXmlStream ()->startElement ("entry");
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self::renderEntry ($entry);
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self::getXmlStream ()->endElement ();
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}
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return self::endXmlDocument ();
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}
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}
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?>
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