+ function __construct( $name = 'LinkSearch' ) {
+ parent::__construct( $name );
+ }
+
+ function isCacheable() {
+ return false;
+ }
+
+ function execute( $par ) {
+ global $wgOut, $wgRequest, $wgUrlProtocols, $wgMiserMode, $wgLang;
+ $this->setHeaders();
+ $wgOut->allowClickjacking();
+
+ $target = $wgRequest->getVal( 'target', $par );
+ $namespace = $wgRequest->getIntorNull( 'namespace', null );
+
+ $protocols_list[] = '';
+ foreach( $wgUrlProtocols as $prot ) {
+ $protocols_list[] = $prot;
+ }
+
+ $target2 = $target;
+ $protocol = '';
+ $pr_sl = strpos($target2, '//' );
+ $pr_cl = strpos($target2, ':' );
+ if ( $pr_sl ) {
+ // For protocols with '//'
+ $protocol = substr( $target2, 0 , $pr_sl+2 );
+ $target2 = substr( $target2, $pr_sl+2 );
+ } elseif ( !$pr_sl && $pr_cl ) {
+ // For protocols without '//' like 'mailto:'
+ $protocol = substr( $target2, 0 , $pr_cl+1 );
+ $target2 = substr( $target2, $pr_cl+1 );
+ } elseif ( $protocol == '' && $target2 != '' ) {
+ // default
+ $protocol = 'http://';
+ }
+ if ( !in_array( $protocol, $protocols_list ) ) {
+ // unsupported protocol, show original search request
+ $target2 = $target;
+ $protocol = '';
+ }
+
+ $self = $this->getTitle();
+
+ $wgOut->addWikiMsg( 'linksearch-text', '<nowiki>' . $wgLang->commaList( $wgUrlProtocols ) . '</nowiki>' );
+ $s = Xml::openElement( 'form', array( 'id' => 'mw-linksearch-form', 'method' => 'get', 'action' => $GLOBALS['wgScript'] ) ) .
+ Html::hidden( 'title', $self->getPrefixedDbKey() ) .
+ '<fieldset>' .
+ Xml::element( 'legend', array(), wfMsg( 'linksearch' ) ) .
+ Xml::inputLabel( wfMsg( 'linksearch-pat' ), 'target', 'target', 50, $target ) . ' ';
+ if ( !$wgMiserMode ) {
+ $s .= Xml::label( wfMsg( 'linksearch-ns' ), 'namespace' ) . ' ' .
+ Xml::namespaceSelector( $namespace, '' );
+ }
+ $s .= Xml::submitButton( wfMsg( 'linksearch-ok' ) ) .
+ '</fieldset>' .
+ Xml::closeElement( 'form' );
+ $wgOut->addHTML( $s );
+
+ if( $target != '' ) {
+ $this->setParams( array(
+ 'query' => $target2,
+ 'namespace' => $namespace,
+ 'protocol' => $protocol ) );
+ parent::execute( $par );
+ if( $this->mMungedQuery === false )
+ $wgOut->addWikiMsg( 'linksearch-error' );
+ }