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<?php
<?php
/**
/**
* COPS (Calibre OPDS PHP Server) class file
* COPS (Calibre OPDS PHP Server) class file
*
*
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
* @author S�bastien Lucas <sebastien@slucas.fr>
* @author S�bastien Lucas <sebastien@slucas.fr>
*/
*/
require_once ("base.php");
require_once ("base.php");
class OPDSRenderer
class OPDSRenderer
{
{
const PAGE_OPENSEARCH = "8";
const PAGE_OPENSEARCH = "8";
const PAGE_OPENSEARCH_QUERY = "9";
const PAGE_OPENSEARCH_QUERY = "9";
private $xmlStream = NULL;
private $xmlStream = NULL;
private $updated = NULL;
private $updated = NULL;
private function getUpdatedTime () {
private function getUpdatedTime () {
if (is_null ($this->updated)) {
if (is_null ($this->updated)) {
$this->updated = time();
$this->updated = time();
}
}
return date (DATE_ATOM, $this->updated);
return "";
}
}
private function getXmlStream () {
private function getXmlStream () {
if (is_null ($this->xmlStream)) {
if (is_null ($this->xmlStream)) {
$this->xmlStream = new XMLWriter();
$this->xmlStream = new XMLWriter();
$this->xmlStream->openMemory();
$this->xmlStream->openMemory();
$this->xmlStream->setIndent (true);
$this->xmlStream->setIndent (true);
}
}
return $this->xmlStream;
return $this->xmlStream;
}
}
public function getOpenSearch () {
public function getOpenSearch () {
global $config;
global $config;
$xml = new XMLWriter ();
$xml = new XMLWriter ();
$xml->openMemory ();
$xml->openMemory ();
$xml->setIndent (true);
$xml->setIndent (true);
$xml->startDocument('1.0','UTF-8');
$xml->startDocument('1.0','UTF-8');
$xml->startElement ("OpenSearchDescription");
$xml->startElement ("OpenSearchDescription");
$xml->writeAttribute ("xmlns", "http://a9.com/-/spec/opensearch/1.1/");
$xml->writeAttribute ("xmlns", "http://a9.com/-/spec/opensearch/1.1/");
$xml->startElement ("ShortName");
$xml->startElement ("ShortName");
$xml->text ("My catalog");
$xml->text ("My catalog");
$xml->endElement ();
$xml->endElement ();
$xml->startElement ("Description");
$xml->startElement ("Description");
$xml->text ("Search for ebooks");
$xml->text ("Search for ebooks");
$xml->endElement ();
$xml->endElement ();
$xml->startElement ("InputEncoding");
$xml->startElement ("InputEncoding");
$xml->text ("UTF-8");
$xml->text ("UTF-8");
$xml->endElement ();
$xml->endElement ();
$xml->startElement ("OutputEncoding");
$xml->startElement ("OutputEncoding");
$xml->text ("UTF-8");
$xml->text ("UTF-8");
$xml->endElement ();
$xml->endElement ();
$xml->startElement ("Image");
$xml->startElement ("Image");
$xml->writeAttribute ("type", "image/x-icon");
$xml->writeAttribute ("type", "image/x-icon");
$xml->writeAttribute ("width", "16");
$xml->writeAttribute ("width", "16");
$xml->writeAttribute ("height", "16");
$xml->writeAttribute ("height", "16");
$xml->text ($config['cops_icon']);
$xml->text ($config['cops_icon']);
$xml->endElement ();
$xml->endElement ();
$xml->startElement ("Url");
$xml->startElement ("Url");
$xml->writeAttribute ("type", 'application/atom+xml');
$xml->writeAttribute ("type", 'application/atom+xml');
$urlparam = "?query={searchTerms}";
$urlparam = "?query={searchTerms}";
if (!is_null (GetUrlParam (DB))) $urlparam = addURLParameter ($urlparam, DB, GetUrlParam (DB));
if (!is_null (GetUrlParam (DB))) $urlparam = addURLParameter ($urlparam, DB, GetUrlParam (DB));
$urlparam = str_replace ("%7B", "{", $urlparam);
$urlparam = str_replace ("%7B", "{", $urlparam);
$urlparam = str_replace ("%7D", "}", $urlparam);
$urlparam = str_replace ("%7D", "}", $urlparam);
$xml->writeAttribute ("template", $config['cops_full_url'] . 'feed.php' . $urlparam);
$xml->writeAttribute ("template", $config['cops_full_url'] . 'feed.php' . $urlparam);
$xml->endElement ();
$xml->endElement ();
$xml->startElement ("Query");
$xml->startElement ("Query");
$xml->writeAttribute ("role", "example");
$xml->writeAttribute ("role", "example");
$xml->writeAttribute ("searchTerms", "robot");
$xml->writeAttribute ("searchTerms", "robot");
$xml->endElement ();
$xml->endElement ();
$xml->endElement ();
$xml->endElement ();
$xml->endDocument();
$xml->endDocument();
return $xml->outputMemory(true);
return $xml->outputMemory(true);
}
}
private function startXmlDocument ($page) {
private function startXmlDocument ($page) {
global $config;
global $config;
self::getXmlStream ()->startDocument('1.0','UTF-8');
self::getXmlStream ()->startDocument('1.0','UTF-8');
self::getXmlStream ()->startElement ("feed");
self::getXmlStream ()->startElement ("feed");
self::getXmlStream ()->writeAttribute ("xmlns", "http://www.w3.org/2005/Atom");
self::getXmlStream ()->writeAttribute ("xmlns", "http://www.w3.org/2005/Atom");
self::getXmlStream ()->writeAttribute ("xmlns:xhtml", "http://www.w3.org/1999/xhtml");
self::getXmlStream ()->writeAttribute ("xmlns:xhtml", "http://www.w3.org/1999/xhtml");
self::getXmlStream ()->writeAttribute ("xmlns:opds", "http://opds-spec.org/2010/catalog");
self::getXmlStream ()->writeAttribute ("xmlns:opds", "http://opds-spec.org/2010/catalog");
self::getXmlStream ()->writeAttribute ("xmlns:opensearch", "http://a9.com/-/spec/opensearch/1.1/");
self::getXmlStream ()->writeAttribute ("xmlns:opensearch", "http://a9.com/-/spec/opensearch/1.1/");
self::getXmlStream ()->writeAttribute ("xmlns:dcterms", "http://purl.org/dc/terms/");
self::getXmlStream ()->writeAttribute ("xmlns:dcterms", "http://purl.org/dc/terms/");
self::getXmlStream ()->startElement ("title");
self::getXmlStream ()->startElement ("title");
self::getXmlStream ()->text ($page->title);
self::getXmlStream ()->text ($page->title);
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
if ($page->subtitle != "")
if ($page->subtitle != "")
{
{
self::getXmlStream ()->startElement ("subtitle");
self::getXmlStream ()->startElement ("subtitle");
self::getXmlStream ()->text ($page->subtitle);
self::getXmlStream ()->text ($page->subtitle);
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
}
}
self::getXmlStream ()->startElement ("id");
self::getXmlStream ()->startElement ("id");
if ($page->idPage)
if ($page->idPage)
{
{
$idPage = $page->idPage;
$idPage = $page->idPage;
if (!is_null (GetUrlParam (DB))) $idPage = GetUrlParam (DB) . ":" . $idPage;
if (!is_null (GetUrlParam (DB))) $idPage = GetUrlParam (DB) . ":" . $idPage;
self::getXmlStream ()->text ($idPage);
self::getXmlStream ()->text ($idPage);
}
}
else
else
{
{
self::getXmlStream ()->text ($_SERVER['REQUEST_URI']);
self::getXmlStream ()->text ($_SERVER['REQUEST_URI']);
}
}
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
self::getXmlStream ()->startElement ("updated");
self::getXmlStream ()->startElement ("updated");
self::getXmlStream ()->text (self::getUpdatedTime ());
self::getXmlStream ()->text (self::getUpdatedTime ());
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
self::getXmlStream ()->startElement ("icon");
self::getXmlStream ()->startElement ("icon");
self::getXmlStream ()->text ($page->favicon);
self::getXmlStream ()->text ($page->favicon);
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
self::getXmlStream ()->startElement ("author");
self::getXmlStream ()->startElement ("author");
self::getXmlStream ()->startElement ("name");
self::getXmlStream ()->startElement ("name");
self::getXmlStream ()->text (utf8_encode ("S�bastien Lucas"));
self::getXmlStream ()->text (utf8_encode ("S�bastien Lucas"));
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
self::getXmlStream ()->startElement ("uri");
self::getXmlStream ()->startElement ("uri");
self::getXmlStream ()->text ("http://blog.slucas.fr");
self::getXmlStream ()->text ("http://blog.slucas.fr");
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
self::getXmlStream ()->startElement ("email");
self::getXmlStream ()->startElement ("email");
self::getXmlStream ()->text ("sebastien@slucas.fr");
self::getXmlStream ()->text ("sebastien@slucas.fr");
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
$link = new LinkNavigation ("", "start", "Home");
$link = new LinkNavigation ("", "start", "Home");
self::renderLink ($link);
self::renderLink ($link);
$link = new LinkNavigation ("?" . $_SERVER['QUERY_STRING'], "self");
$link = new LinkNavigation ("?" . $_SERVER['QUERY_STRING'], "self");
self::renderLink ($link);
self::renderLink ($link);
$urlparam = "?page=" . self::PAGE_OPENSEARCH;
$urlparam = "?page=" . self::PAGE_OPENSEARCH;
if (!is_null (GetUrlParam (DB))) $urlparam = addURLParameter ($urlparam, DB, GetUrlParam (DB));
if (!is_null (GetUrlParam (DB))) $urlparam = addURLParameter ($urlparam, DB, GetUrlParam (DB));
if ($config['cops_generate_invalid_opds_stream'] == 0 || preg_match("/(MantanoReader|FBReader)/", $_SERVER['HTTP_USER_AGENT'])) {
if ($config['cops_generate_invalid_opds_stream'] == 0 || preg_match("/(MantanoReader|FBReader)/", $_SERVER['HTTP_USER_AGENT'])) {
// Good and compliant way of handling search
// Good and compliant way of handling search
$link = new Link ("feed.php" . $urlparam, "application/opensearchdescription+xml", "search", "Search here");
$link = new Link ("feed.php" . $urlparam, "application/opensearchdescription+xml", "search", "Search here");
}
}
else
else
{
{
// Bad way, will be removed when OPDS client are fixed
// Bad way, will be removed when OPDS client are fixed
$link = new Link ($config['cops_full_url'] . 'feed.php' . $urlparam, "application/atom+xml", "search", "Search here");
$link = new Link ($config['cops_full_url'] . 'feed.php' . $urlparam, "application/atom+xml", "search", "Search here");
}
}
self::renderLink ($link);
self::renderLink ($link);
if ($page->containsBook () && !is_null ($config['cops_books_filter']) && count ($config['cops_books_filter']) > 0) {
if ($page->containsBook () && !is_null ($config['cops_books_filter']) && count ($config['cops_books_filter']) > 0) {
$Urlfilter = getURLParam ("tag", "");
$Urlfilter = getURLParam ("tag", "");
foreach ($config['cops_books_filter'] as $lib => $filter) {
foreach ($config['cops_books_filter'] as $lib => $filter) {
$link = new LinkFacet ("?" . addURLParameter ($_SERVER['QUERY_STRING'], "tag", $filter), $lib, localize ("tagword.title"), $filter == $Urlfilter);
$link = new LinkFacet ("?" . addURLParameter ($_SERVER['QUERY_STRING'], "tag", $filter), $lib, localize ("tagword.title"), $filter == $Urlfilter);
self::renderLink ($link);
self::renderLink ($link);
}
}
}
}
}
}
private function endXmlDocument () {
private function endXmlDocument () {
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endDocument ();
self::getXmlStream ()->endDocument ();
return self::getXmlStream ()->outputMemory(true);
return self::getXmlStream ()->outputMemory(true);
}
}
private function renderLink ($link) {
private function renderLink ($link) {
self::getXmlStream ()->startElement ("link");
self::getXmlStream ()->startElement ("link");
self::getXmlStream ()->writeAttribute ("href", $link->href);
self::getXmlStream ()->writeAttribute ("href", $link->href);
self::getXmlStream ()->writeAttribute ("type", $link->type);
self::getXmlStream ()->writeAttribute ("type", $link->type);
if (!is_null ($link->rel)) {
if (!is_null ($link->rel)) {
self::getXmlStream ()->writeAttribute ("rel", $link->rel);
self::getXmlStream ()->writeAttribute ("rel", $link->rel);
}
}
if (!is_null ($link->title)) {
if (!is_null ($link->title)) {
self::getXmlStream ()->writeAttribute ("title", $link->title);
self::getXmlStream ()->writeAttribute ("title", $link->title);
}
}
if (!is_null ($link->facetGroup)) {
if (!is_null ($link->facetGroup)) {
self::getXmlStream ()->writeAttribute ("opds:facetGroup", $link->facetGroup);
self::getXmlStream ()->writeAttribute ("opds:facetGroup", $link->facetGroup);
}
}
if ($link->activeFacet) {
if ($link->activeFacet) {
self::getXmlStream ()->writeAttribute ("opds:activeFacet", "true");
self::getXmlStream ()->writeAttribute ("opds:activeFacet", "true");
}
}
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
}
}
private function renderEntry ($entry) {
private function renderEntry ($entry) {
self::getXmlStream ()->startElement ("title");
self::getXmlStream ()->startElement ("title");
self::getXmlStream ()->text ($entry->title);
self::getXmlStream ()->text ($entry->title);
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
self::getXmlStream ()->startElement ("updated");
self::getXmlStream ()->startElement ("updated");
self::getXmlStream ()->text (self::getUpdatedTime ());
self::getXmlStream ()->text (self::getUpdatedTime ());
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
self::getXmlStream ()->startElement ("id");
self::getXmlStream ()->startElement ("id");
self::getXmlStream ()->text ($entry->id);
self::getXmlStream ()->text ($entry->id);
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
self::getXmlStream ()->startElement ("content");
self::getXmlStream ()->startElement ("content");
self::getXmlStream ()->writeAttribute ("type", $entry->contentType);
self::getXmlStream ()->writeAttribute ("type", $entry->contentType);
if ($entry->contentType == "text") {
if ($entry->contentType == "text") {
self::getXmlStream ()->text ($entry->content);
self::getXmlStream ()->text ($entry->content);
} else {
} else {
self::getXmlStream ()->writeRaw ($entry->content);
self::getXmlStream ()->writeRaw ($entry->content);
}
}
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
foreach ($entry->linkArray as $link) {
foreach ($entry->linkArray as $link) {
self::renderLink ($link);
self::renderLink ($link);
}
}
if (get_class ($entry) != "EntryBook") {
if (get_class ($entry) != "EntryBook") {
return;
return;
}
}
foreach ($entry->book->getAuthors () as $author) {
foreach ($entry->book->getAuthors () as $author) {
self::getXmlStream ()->startElement ("author");
self::getXmlStream ()->startElement ("author");
self::getXmlStream ()->startElement ("name");
self::getXmlStream ()->startElement ("name");
self::getXmlStream ()->text ($author->name);
self::getXmlStream ()->text ($author->name);
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
self::getXmlStream ()->startElement ("uri");
self::getXmlStream ()->startElement ("uri");
self::getXmlStream ()->text ("feed.php" . $author->getUri ());
self::getXmlStream ()->text ("feed.php" . $author->getUri ());
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
}
}
foreach ($entry->book->getTags () as $category) {
foreach ($entry->book->getTags () as $category) {
self::getXmlStream ()->startElement ("category");
self::getXmlStream ()->startElement ("category");
self::getXmlStream ()->writeAttribute ("term", $category->name);
self::getXmlStream ()->writeAttribute ("term", $category->name);
self::getXmlStream ()->writeAttribute ("label", $category->name);
self::getXmlStream ()->writeAttribute ("label", $category->name);
self::getXmlStream ()->endElement ();
}
if ($entry->book->getPubDate () != "") {
self::getXmlStream ()->startElement ("dcterms:issued");
self::getXmlStream ()->text (date ("Y-m-d", $entry->book->pubdate));
self::getXmlStream ()->endElement ();
self::getXmlStream ()->startElement ("published");
self::getXmlStream ()->text (date ("Y-m-d", $entry->book->pubdate) . "T08:08:08Z");
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
}
}
$lang = $entry->book->getLanguages ();
$lang = $entry->book->getLanguages ();
if (!empty ($lang)) {
if (!empty ($lang)) {
self::getXmlStream ()->startElement ("dcterms:language");
self::getXmlStream ()->startElement ("dcterms:language");
self::getXmlStream ()->text ($lang);
self::getXmlStream ()->text ($lang);
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
}
}
}
}
public function render ($page) {
public function render ($page) {
global $config;
global $config;
self::startXmlDocument ($page);
self::startXmlDocument ($page);
if ($page->isPaginated ())
if ($page->isPaginated ())
{
{
self::getXmlStream ()->startElement ("opensearch:totalResults");
self::getXmlStream ()->startElement ("opensearch:totalResults");
self::getXmlStream ()->text ($page->totalNumber);
self::getXmlStream ()->text ($page->totalNumber);
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
self::getXmlStream ()->startElement ("opensearch:itemsPerPage");
self::getXmlStream ()->startElement ("opensearch:itemsPerPage");
self::getXmlStream ()->text ($config['cops_max_item_per_page']);
self::getXmlStream ()->text ($config['cops_max_item_per_page']);
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
self::getXmlStream ()->startElement ("opensearch:startIndex");
self::getXmlStream ()->startElement ("opensearch:startIndex");
self::getXmlStream ()->text (($page->n - 1) * $config['cops_max_item_per_page'] + 1);
self::getXmlStream ()->text (($page->n - 1) * $config['cops_max_item_per_page'] + 1);
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
$prevLink = $page->getPrevLink ();
$prevLink = $page->getPrevLink ();
$nextLink = $page->getNextLink ();
$nextLink = $page->getNextLink ();
if (!is_null ($prevLink)) {
if (!is_null ($prevLink)) {
self::renderLink ($prevLink);
self::renderLink ($prevLink);
}
}
if (!is_null ($nextLink)) {
if (!is_null ($nextLink)) {
self::renderLink ($nextLink);
self::renderLink ($nextLink);
}
}
}
}
foreach ($page->entryArray as $entry) {
foreach ($page->entryArray as $entry) {
self::getXmlStream ()->startElement ("entry");
self::getXmlStream ()->startElement ("entry");
self::renderEntry ($entry);
self::renderEntry ($entry);
self::getXmlStream ()->endElement ();
self::getXmlStream ()->endElement ();
}
}
return self::endXmlDocument ();
return self::endXmlDocument ();
}
}
}
}
?>
?>


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