<?php
/**
- * A special page to search for files by hash value as defined in the
- * img_sha1 field in the image table
+ * Implements Special:FileDuplicateSearch
+ *
+ * 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
* @ingroup SpecialPage
- *
* @author Raimond Spekking, based on Special:MIMESearch by Ævar Arnfjörð Bjarmason
- * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
*/
/**
* Searches the database for files of the requested hash, comparing this with the
* 'img_sha1' field in the image table.
+ *
* @ingroup SpecialPage
*/
class FileDuplicateSearchPage extends QueryPage {
- var $hash, $filename;
+ protected $hash = '', $filename = '';
- function FileDuplicateSearchPage( $hash, $filename ) {
- $this->hash = $hash;
- $this->filename = $filename;
+ /**
+ * @var File $file selected reference file, if present
+ */
+ protected $file = null;
+
+ function __construct( $name = 'FileDuplicateSearch' ) {
+ parent::__construct( $name );
}
- function getName() { return 'FileDuplicateSearch'; }
- function isExpensive() { return false; }
function isSyndicated() { return false; }
+ function isCacheable() { return false; }
+ function isCached() { return false; }
function linkParameters() {
return array( 'filename' => $this->filename );
}
- function getSQL() {
- $dbr = wfGetDB( DB_SLAVE );
- $image = $dbr->tableName( 'image' );
- $hash = $dbr->addQuotes( $this->hash );
-
- return "SELECT 'FileDuplicateSearch' AS type,
- img_name AS title,
- img_sha1 AS value,
- img_user_text,
- img_timestamp
- FROM $image
- WHERE img_sha1 = $hash
- ";
+ /**
+ * Fetch dupes from all connected file repositories.
+ *
+ * @return Array of File objects
+ */
+ function getDupes() {
+ return RepoGroup::singleton()->findBySha1( $this->hash );
}
- function formatResult( $skin, $result ) {
- global $wgContLang, $wgLang;
-
- $nt = Title::makeTitle( NS_FILE, $result->title );
- $text = $wgContLang->convert( $nt->getText() );
- $plink = $skin->makeLink( $nt->getPrefixedText(), $text );
+ /**
+ *
+ * @param $dupes Array of File objects
+ */
+ function showList( $dupes ) {
+ $html = array();
+ $html[] = $this->openList( 0 );
+
+ foreach ( $dupes as $dupe ) {
+ $line = $this->formatResult( null, $dupe );
+ $html[] = "<li>" . $line . "</li>";
+ }
+ $html[] = $this->closeList();
- $user = $skin->makeLinkObj( Title::makeTitle( NS_USER, $result->img_user_text ), $result->img_user_text );
- $time = $wgLang->timeanddate( $result->img_timestamp );
+ $this->getOutput()->addHtml( implode( "\n", $html ) );
+ }
- return "$plink . . $user . . $time";
+ function getQueryInfo() {
+ return array(
+ 'tables' => array( 'image' ),
+ 'fields' => array(
+ 'img_name AS title',
+ 'img_sha1 AS value',
+ 'img_user_text',
+ 'img_timestamp'
+ ),
+ 'conds' => array( 'img_sha1' => $this->hash )
+ );
}
-}
-/**
- * Output the HTML search form, and constructs the FileDuplicateSearch object.
- */
-function wfSpecialFileDuplicateSearch( $par = null ) {
- global $wgRequest, $wgTitle, $wgOut, $wgLang, $wgContLang;
-
- $hash = '';
- $filename = isset( $par ) ? $par : $wgRequest->getText( 'filename' );
-
- $title = Title::newFromText( $filename );
- if( $title && $title->getText() != '' ) {
- $dbr = wfGetDB( DB_SLAVE );
- $image = $dbr->tableName( 'image' );
- $encFilename = $dbr->addQuotes( htmlspecialchars( $title->getDBKey() ) );
- $sql = "SELECT img_sha1 from $image where img_name = $encFilename";
- $res = $dbr->query( $sql );
- $row = $dbr->fetchRow( $res );
- if( $row !== false ) {
- $hash = $row[0];
+ function execute( $par ) {
+ global $wgScript;
+
+ $this->setHeaders();
+ $this->outputHeader();
+
+ $this->filename = isset( $par ) ? $par : $this->getRequest()->getText( 'filename' );
+ $this->file = null;
+ $this->hash = '';
+ $title = Title::newFromText( $this->filename, NS_FILE );
+ if( $title && $title->getText() != '' ) {
+ $this->file = wfFindFile( $title );
}
- $dbr->freeResult( $res );
- }
- # Create the input form
- $wgOut->addHTML(
- Xml::openElement( 'form', array( 'id' => 'fileduplicatesearch', 'method' => 'get', 'action' => $wgTitle->getLocalUrl() ) ) .
- Xml::openElement( 'fieldset' ) .
- Xml::element( 'legend', null, wfMsg( 'fileduplicatesearch-legend' ) ) .
- Xml::inputLabel( wfMsg( 'fileduplicatesearch-filename' ), 'filename', 'filename', 50, $filename ) . ' ' .
- Xml::submitButton( wfMsg( 'fileduplicatesearch-submit' ) ) .
- Xml::closeElement( 'fieldset' ) .
- Xml::closeElement( 'form' )
- );
-
- if( $hash != '' ) {
- $align = $wgContLang->isRtl() ? 'left' : 'right';
-
- # Show a thumbnail of the file
- $img = wfFindFile( $title );
- if ( $img ) {
- $thumb = $img->transform( array( 'width' => 120, 'height' => 120 ) );
- if( $thumb ) {
- $wgOut->addHTML( '<div style="float:' . $align . '" id="mw-fileduplicatesearch-icon">' .
- $thumb->toHtml( array( 'desc-link' => false ) ) . '<br />' .
- wfMsgExt( 'fileduplicatesearch-info', array( 'parse' ),
- $wgLang->formatNum( $img->getWidth() ),
- $wgLang->formatNum( $img->getHeight() ),
- $wgLang->formatSize( $img->getSize() ),
- $img->getMimeType()
- ) .
- '</div>' );
- }
+ $out = $this->getOutput();
+
+ # Create the input form
+ $out->addHTML(
+ Xml::openElement( 'form', array( 'id' => 'fileduplicatesearch', 'method' => 'get', 'action' => $wgScript ) ) .
+ Html::hidden( 'title', $this->getTitle()->getPrefixedDbKey() ) .
+ Xml::openElement( 'fieldset' ) .
+ Xml::element( 'legend', null, wfMsg( 'fileduplicatesearch-legend' ) ) .
+ Xml::inputLabel( wfMsg( 'fileduplicatesearch-filename' ), 'filename', 'filename', 50, $this->filename ) . ' ' .
+ Xml::submitButton( wfMsg( 'fileduplicatesearch-submit' ) ) .
+ Xml::closeElement( 'fieldset' ) .
+ Xml::closeElement( 'form' )
+ );
+
+ if( $this->file ) {
+ $this->hash = $this->file->getSha1();
+ } elseif( $this->filename !== '' ) {
+ $out->wrapWikiMsg(
+ "<p class='mw-fileduplicatesearch-noresults'>\n$1\n</p>",
+ array( 'fileduplicatesearch-noresults', wfEscapeWikiText( $this->filename ) )
+ );
}
- # Do the query
- $wpp = new FileDuplicateSearchPage( $hash, $filename );
- list( $limit, $offset ) = wfCheckLimits();
- $count = $wpp->doQuery( $offset, $limit );
+ if( $this->hash != '' ) {
+ # Show a thumbnail of the file
+ $img = $this->file;
+ if ( $img ) {
+ $thumb = $img->transform( array( 'width' => 120, 'height' => 120 ) );
+ if( $thumb ) {
+ $out->addHTML( '<div id="mw-fileduplicatesearch-icon">' .
+ $thumb->toHtml( array( 'desc-link' => false ) ) . '<br />' .
+ wfMsgExt( 'fileduplicatesearch-info', array( 'parse' ),
+ $this->getLanguage()->formatNum( $img->getWidth() ),
+ $this->getLanguage()->formatNum( $img->getHeight() ),
+ $this->getLanguage()->formatSize( $img->getSize() ),
+ $img->getMimeType()
+ ) .
+ '</div>' );
+ }
+ }
+
+ $dupes = $this->getDupes();
+ $numRows = count( $dupes );
+
+ # Show a short summary
+ if( $numRows == 1 ) {
+ $out->wrapWikiMsg(
+ "<p class='mw-fileduplicatesearch-result-1'>\n$1\n</p>",
+ array( 'fileduplicatesearch-result-1', wfEscapeWikiText( $this->filename ) )
+ );
+ } elseif ( $numRows ) {
+ $out->wrapWikiMsg(
+ "<p class='mw-fileduplicatesearch-result-n'>\n$1\n</p>",
+ array( 'fileduplicatesearch-result-n', wfEscapeWikiText( $this->filename ),
+ $this->getLanguage()->formatNum( $numRows - 1 ) )
+ );
+ }
- # Show a short summary
- if( $count == 1 ) {
- $wgOut->addHTML( '<p class="mw-fileduplicatesearch-result-1">' .
- wfMsgHtml( 'fileduplicatesearch-result-1', $filename ) .
- '</p>'
- );
- } elseif ( $count > 1 ) {
- $wgOut->addHTML( '<p class="mw-fileduplicatesearch-result-n">' .
- wfMsgExt( 'fileduplicatesearch-result-n', array( 'parseinline' ), $filename, $wgLang->formatNum( $count - 1 ) ) .
- '</p>'
- );
+ $this->showList( $dupes );
}
}
+
+ /**
+ *
+ * @param Skin $skin
+ * @param File $result
+ * @return string
+ */
+ function formatResult( $skin, $result ) {
+ global $wgContLang;
+
+ $nt = $result->getTitle();
+ $text = $wgContLang->convert( $nt->getText() );
+ $plink = Linker::link(
+ Title::newFromText( $nt->getPrefixedText() ),
+ $text
+ );
+
+ $userText = $result->getUser( 'text' );
+ $user = Linker::link( Title::makeTitle( NS_USER, $userText ), $userText );
+ $time = $this->getLanguage()->timeanddate( $result->getTimestamp() );
+
+ return "$plink . . $user . . $time";
+ }
}