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<?php
/**
* Generate an OpenSearch description file.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
require_once __DIR__ . '/includes/WebStart.php';
if ( $wgRequest->getVal( 'ctype' ) == 'application/xml' ) {
// Makes testing tweaks about a billion times easier
$ctype = 'application/xml';
} else {
$ctype = 'application/opensearchdescription+xml';
}
$response = $wgRequest->response();
$response->header( "Content-type: $ctype" );
// Set an Expires header so that squid can cache it for a short time
// Short enough so that the sysadmin barely notices when $wgSitename is changed
$expiryTime = 600; # 10 minutes
$response->header( 'Expires: ' . gmdate( 'D, d M Y H:i:s', time() + $expiryTime ) . ' GMT' );
$response->header( 'Cache-control: max-age=600' );
print '<?xml version="1.0"?>';
print Xml::openElement( 'OpenSearchDescription',
array(
'xmlns' => 'http://a9.com/-/spec/opensearch/1.1/',
'xmlns:moz' => 'http://www.mozilla.org/2006/browser/search/' ) );
// The spec says the ShortName must be no longer than 16 characters,
// but 16 is *realllly* short. In practice, browsers don't appear to care
// when we give them a longer string, so we're no longer attempting to trim.
//
// Note: ShortName and the <link title=""> need to match; they are used as
// a key for identifying if the search engine has been added already, *and*
// as the display name presented to the end-user.
//
// Behavior seems about the same between Firefox and IE 7/8 here.
// 'Description' doesn't appear to be used by either.
$fullName = wfMessage( 'opensearch-desc' )->inContentLanguage()->text();
print Xml::element( 'ShortName', null, $fullName );
print Xml::element( 'Description', null, $fullName );
// By default we'll use the site favicon.
// Double-check if IE supports this properly?
print Xml::element( 'Image',
array(
'height' => 16,
'width' => 16,
'type' => 'image/x-icon' ),
wfExpandUrl( $wgFavicon, PROTO_CURRENT ) );
$urls = array();
// General search template. Given an input term, this should bring up
// search results or a specific found page.
// At least Firefox and IE 7 support this.
$searchPage = SpecialPage::getTitleFor( 'Search' );
$urls[] = array(
'type' => 'text/html',
'method' => 'get',
'template' => $searchPage->getCanonicalURL( 'search={searchTerms}' ) );
foreach ( $wgOpenSearchTemplates as $type => $template ) {
if ( !$template && $wgEnableAPI ) {
$template = ApiOpenSearch::getOpenSearchTemplate( $type );
}
if ( $template ) {
$urls[] = array(
'type' => $type,
'method' => 'get',
'template' => $template,
);
}
}
// Allow hooks to override the suggestion URL settings in a more
// general way than overriding the whole search engine...
Hooks::run( 'OpenSearchUrls', array( &$urls ) );
foreach ( $urls as $attribs ) {
print Xml::element( 'Url', $attribs );
}
// And for good measure, add a link to the straight search form.
// This is a custom format extension for Firefox, which otherwise
// sends you to the domain root if you hit "enter" with an empty
// search box.
print Xml::element( 'moz:SearchForm', null,
$searchPage->getCanonicalURL() );
print '</OpenSearchDescription>';
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