Merge "move page_restrictions.pr_id to top in tables.sql"
[lhc/web/wiklou.git] / includes / specials / SpecialLinkSearch.php
index b1ffa56..ed6e2a4 100644 (file)
@@ -55,7 +55,7 @@ class LinkSearchPage extends QueryPage {
                $namespace = $request->getIntorNull( 'namespace', null );
 
                $protocols_list = array();
-               foreach( $wgUrlProtocols as $prot ) {
+               foreach ( $wgUrlProtocols as $prot ) {
                        if ( $prot !== '//' ) {
                                $protocols_list[] = $prot;
                        }
@@ -73,14 +73,17 @@ class LinkSearchPage extends QueryPage {
                        // For protocols without '//' like 'mailto:'
                        $protocol = substr( $target2, 0, $pr_cl + 1 );
                        $target2 = substr( $target2, $pr_cl + 1 );
-               } elseif ( $protocol == '' && $target2 != '' ) {
+               } elseif ( $target2 != '' ) {
                        // default
                        $protocol = 'http://';
                }
                if ( $protocol != '' && !in_array( $protocol, $protocols_list ) ) {
-                       // unsupported protocol, show original search request
+                       // Unsupported protocol, show original search request
                        $target2 = $target;
-                       $protocol = '';
+                       // Since links with unsupported protocols don't end up in
+                       // externallinks, assume $protocol is actually part of a link
+                       // containing ':' or '//' and default to http as above.
+                       $protocol = 'http://';
                }
 
                $out->addWikiMsg(
@@ -88,11 +91,21 @@ class LinkSearchPage extends QueryPage {
                        '<nowiki>' . $this->getLanguage()->commaList( $protocols_list ) . '</nowiki>',
                        count( $protocols_list )
                );
-               $s = Html::openElement( 'form', array( 'id' => 'mw-linksearch-form', 'method' => 'get', 'action' => $wgScript ) ) . "\n" .
+               $s = Html::openElement(
+                       'form',
+                       array( 'id' => 'mw-linksearch-form', 'method' => 'get', 'action' => $wgScript )
+               ) . "\n" .
                        Html::hidden( 'title', $this->getTitle()->getPrefixedDBkey() ) . "\n" .
                        Html::openElement( 'fieldset' ) . "\n" .
                        Html::element( 'legend', array(), $this->msg( 'linksearch' )->text() ) . "\n" .
-                       Xml::inputLabel( $this->msg( 'linksearch-pat' )->text(), 'target', 'target', 50, $target ) . "\n";
+                       Xml::inputLabel(
+                               $this->msg( 'linksearch-pat' )->text(),
+                               'target',
+                               'target',
+                               50,
+                               $target
+                       ) . "\n";
+
                if ( !$wgMiserMode ) {
                        $s .= Html::namespaceSelector(
                                array(
@@ -100,25 +113,27 @@ class LinkSearchPage extends QueryPage {
                                        'all' => '',
                                        'label' => $this->msg( 'linksearch-ns' )->text()
                                ), array(
-                                       'name'  => 'namespace',
-                                       'id'    => 'namespace',
+                                       'name' => 'namespace',
+                                       'id' => 'namespace',
                                        'class' => 'namespaceselector',
                                )
                        );
                }
+
                $s .= Xml::submitButton( $this->msg( 'linksearch-ok' )->text() ) . "\n" .
                        Html::closeElement( 'fieldset' ) . "\n" .
                        Html::closeElement( 'form' ) . "\n";
                $out->addHTML( $s );
 
-               if( $target != '' ) {
+               if ( $target != '' ) {
                        $this->setParams( array(
                                'query' => $target2,
                                'namespace' => $namespace,
                                'protocol' => $protocol ) );
                        parent::execute( $par );
-                       if( $this->mMungedQuery === false )
+                       if ( $this->mMungedQuery === false ) {
                                $out->addWikiMsg( 'linksearch-error' );
+                       }
                }
        }
 
@@ -142,12 +157,14 @@ class LinkSearchPage extends QueryPage {
                $rv = LinkFilter::makeLikeArray( $query, $prot );
                if ( $rv === false ) {
                        // LinkFilter doesn't handle wildcard in IP, so we'll have to munge here.
-                       if ( preg_match( '/^(:?[0-9]{1,3}\.)+\*\s*$|^(:?[0-9]{1,3}\.){3}[0-9]{1,3}:[0-9]*\*\s*$/', $query ) ) {
+                       $pattern = '/^(:?[0-9]{1,3}\.)+\*\s*$|^(:?[0-9]{1,3}\.){3}[0-9]{1,3}:[0-9]*\*\s*$/';
+                       if ( preg_match( $pattern, $query ) ) {
                                $dbr = wfGetDB( DB_SLAVE );
                                $rv = array( $prot . rtrim( $query, " \t*" ), $dbr->anyString() );
                                $field = 'el_to';
                        }
                }
+
                return array( $rv, $field );
        }
 
@@ -155,9 +172,10 @@ class LinkSearchPage extends QueryPage {
                global $wgMiserMode;
                $params = array();
                $params['target'] = $this->mProt . $this->mQuery;
-               if( isset( $this->mNs ) && !$wgMiserMode ) {
+               if ( isset( $this->mNs ) && !$wgMiserMode ) {
                        $params['namespace'] = $this->mNs;
                }
+
                return $params;
        }
 
@@ -166,26 +184,33 @@ class LinkSearchPage extends QueryPage {
                $dbr = wfGetDB( DB_SLAVE );
                // strip everything past first wildcard, so that
                // index-based-only lookup would be done
-               list( $this->mMungedQuery, $clause ) = self::mungeQuery(
-                               $this->mQuery, $this->mProt );
-               if( $this->mMungedQuery === false )
+               list( $this->mMungedQuery, $clause ) = self::mungeQuery( $this->mQuery, $this->mProt );
+               if ( $this->mMungedQuery === false ) {
                        // Invalid query; return no results
                        return array( 'tables' => 'page', 'fields' => 'page_id', 'conds' => '0=1' );
+               }
 
                $stripped = LinkFilter::keepOneWildcard( $this->mMungedQuery );
                $like = $dbr->buildLike( $stripped );
-               $retval = array (
-                       'tables' => array ( 'page', 'externallinks' ),
-                       'fields' => array ( 'namespace' => 'page_namespace',
-                                       'title' => 'page_title',
-                                       'value' => 'el_index', 'url' => 'el_to' ),
-                       'conds' => array ( 'page_id = el_from',
-                                       "$clause $like" ),
+               $retval = array(
+                       'tables' => array( 'page', 'externallinks' ),
+                       'fields' => array(
+                               'namespace' => 'page_namespace',
+                               'title' => 'page_title',
+                               'value' => 'el_index',
+                               'url' => 'el_to'
+                       ),
+                       'conds' => array(
+                               'page_id = el_from',
+                               "$clause $like"
+                       ),
                        'options' => array( 'USE INDEX' => $clause )
                );
+
                if ( isset( $this->mNs ) && !$wgMiserMode ) {
                        $retval['conds']['page_namespace'] = $this->mNs;
                }
+
                return $retval;
        }
 
@@ -208,7 +233,7 @@ class LinkSearchPage extends QueryPage {
         */
        function doQuery( $offset = false, $limit = false ) {
                list( $this->mMungedQuery, ) = LinkSearchPage::mungeQuery( $this->mQuery, $this->mProt );
-               if( $this->mMungedQuery === false ) {
+               if ( $this->mMungedQuery === false ) {
                        $this->getOutput()->addWikiMsg( 'linksearch-error' );
                } else {
                        // For debugging