<?php
-
-/**
- * @package MediaWiki
- * @addtogroup Ajax
+/**
+ * Handler functions for Ajax requests
+ *
+ * @file
+ * @ingroup Ajax
*/
-if( !defined( 'MEDIAWIKI' ) ) {
+if ( !defined( 'MEDIAWIKI' ) ) {
die( 1 );
}
* Modified function from http://pure-essence.net/stuff/code/utf8RawUrlDecode.phps
*
* @param $source String escaped with Javascript's escape() function
- * @param $iconv_to String destination character set will be used as second paramether in the iconv function. Default is UTF-8.
+ * @param $iconv_to String destination character set will be used as second parameter
+ * in the iconv function. Default is UTF-8.
* @return string
*/
-function js_unescape($source, $iconv_to = 'UTF-8') {
+function js_unescape( $source, $iconv_to = 'UTF-8' ) {
$decodedStr = '';
$pos = 0;
- $len = strlen ($source);
+ $len = strlen ( $source );
- while ($pos < $len) {
- $charAt = substr ($source, $pos, 1);
- if ($charAt == '%') {
+ while ( $pos < $len ) {
+ $charAt = substr ( $source, $pos, 1 );
+ if ( $charAt == '%' ) {
$pos++;
- $charAt = substr ($source, $pos, 1);
- if ($charAt == 'u') {
+ $charAt = substr ( $source, $pos, 1 );
+
+ if ( $charAt == 'u' ) {
// we got a unicode character
$pos++;
- $unicodeHexVal = substr ($source, $pos, 4);
- $unicode = hexdec ($unicodeHexVal);
- $decodedStr .= code2utf($unicode);
+ $unicodeHexVal = substr ( $source, $pos, 4 );
+ $unicode = hexdec ( $unicodeHexVal );
+ $decodedStr .= code2utf( $unicode );
$pos += 4;
} else {
// we have an escaped ascii character
- $hexVal = substr ($source, $pos, 2);
- $decodedStr .= chr (hexdec ($hexVal));
+ $hexVal = substr ( $source, $pos, 2 );
+ $decodedStr .= chr ( hexdec ( $hexVal ) );
$pos += 2;
}
} else {
}
}
- if ($iconv_to != "UTF-8") {
- $decodedStr = iconv("UTF-8", $iconv_to, $decodedStr);
+ if ( $iconv_to != "UTF-8" ) {
+ $decodedStr = iconv( "utf-8", $iconv_to, $decodedStr );
}
return $decodedStr;
/**
* Function coverts number of utf char into that character.
- * Function taken from: http://sk2.php.net/manual/en/function.utf8-encode.php#49336
+ * Function taken from: http://www.php.net/manual/en/function.utf8-encode.php#49336
*
* @param $num Integer
* @return utf8char
*/
-function code2utf($num){
- if ( $num<128 )
- return chr($num);
- if ( $num<2048 )
- return chr(($num>>6)+192).chr(($num&63)+128);
- if ( $num<65536 )
- return chr(($num>>12)+224).chr((($num>>6)&63)+128).chr(($num&63)+128);
- if ( $num<2097152 )
- return chr(($num>>18)+240).chr((($num>>12)&63)+128).chr((($num>>6)&63)+128) .chr(($num&63)+128);
- return '';
-}
-
-define( 'AJAX_SEARCH_VERSION', 1 ); //AJAX search cache version
-
-function wfSajaxSearch( $term ) {
- global $wgContLang, $wgOut, $wgUser, $wgCapitalLinks, $wgMemc;
- $limit = 16;
- $sk = $wgUser->getSkin();
-
- $term = trim( $term );
- $term = $wgContLang->checkTitleEncoding( $wgContLang->recodeInput( js_unescape( $term ) ) );
- if ( $wgCapitalLinks )
- $term = $wgContLang->ucfirst( $term );
- $term_title = Title::newFromText( $term );
-
- $memckey = $term_title ? wfMemcKey( 'ajaxsearch', md5( $term_title->getFullText() ) ) : wfMemcKey( 'ajaxsearch', md5( $term ) );
- $cached = $wgMemc->get($memckey);
- if( is_array( $cached ) && $cached['version'] == AJAX_SEARCH_VERSION ) {
- $response = new AjaxResponse( $cached['html'] );
- $response->setCacheDuration( 30*60 );
- return $response;
+function code2utf( $num ) {
+ if ( $num < 128 ) {
+ return chr( $num );
}
- $r = $more = '';
- $canSearch = true;
- if( $term_title && $term_title->getNamespace() != NS_SPECIAL ) {
- $db = wfGetDB( DB_SLAVE );
- $res = $db->select( 'page', array( 'page_title', 'page_namespace' ),
- array( 'page_namespace' => $term_title->getNamespace(),
- "page_title LIKE '". $db->strencode( $term_title->getDBkey() ) ."%'" ),
- "wfSajaxSearch",
- array( 'LIMIT' => $limit+1 )
- );
-
- $i = 0;
- while ( ( $row = $db->fetchObject( $res ) ) && ( ++$i <= $limit ) ) {
- $nt = Title::makeTitle( $row->page_namespace, $row->page_title );
- $r .= '<li>' . $sk->makeKnownLinkObj( $nt ) . "</li>\n";
- }
- if ( $i > $limit ) {
- $more = '<i>' . $sk->makeKnownLink( $wgContLang->specialPage( "Allpages" ),
- wfMsg('moredotdotdot'),
- "namespace=0&from=" . wfUrlEncode ( $term ) ) .
- '</i>';
- }
- } else if( $term_title && $term_title->getNamespace() == NS_SPECIAL ) {
- SpecialPage::initList();
- SpecialPage::initAliasList();
- $specialPages = array_merge(
- array_keys( SpecialPage::$mList ),
- array_keys( SpecialPage::$mAliases )
- );
-
- foreach( $specialPages as $page ) {
- if( $wgContLang->uc( $page ) != $page && strpos( $page, $term_title->getText() ) === 0 ) {
- $r .= '<li>' . $sk->makeKnownLinkObj( Title::makeTitle( NS_SPECIAL, $page ) ) . '</li>';
- }
- }
-
- $canSearch = false;
+ if ( $num < 2048 ) {
+ return chr( ( $num >> 6 ) + 192 ) . chr( ( $num&63 ) + 128 );
}
- $valid = (bool) $term_title;
- $term_url = urlencode( $term );
- $term_diplay = htmlspecialchars( $valid ? $term_title->getFullText() : $term );
- $subtitlemsg = ( $valid ? 'searchsubtitle' : 'searchsubtitleinvalid' );
- $subtitle = wfMsgWikiHtml( $subtitlemsg, $term_diplay );
- $html = '<div id="searchTargetHide"><a onclick="Searching_Hide_Results();">'
- . wfMsgHtml( 'hideresults' ) . '</a></div>'
- . '<h1 class="firstHeading">'.wfMsgHtml('search')
- . '</h1><div id="contentSub">'. $subtitle . '</div>';
- if( $canSearch ) {
- $html .= '<ul><li>'
- . $sk->makeKnownLink( $wgContLang->specialPage( 'Search' ),
- wfMsgHtml( 'searchcontaining', $term_diplay ),
- "search={$term_url}&fulltext=Search" )
- . '</li><li>' . $sk->makeKnownLink( $wgContLang->specialPage( 'Search' ),
- wfMsgHtml( 'searchnamed', $term_diplay ) ,
- "search={$term_url}&go=Go" )
- . "</li></ul>";
- }
- if( $r ) {
- $html .= "<h2>" . wfMsgHtml( 'articletitles', $term_diplay ) . "</h2>"
- . '<ul>' .$r .'</ul>' . $more;
+ if ( $num < 65536 ) {
+ return chr( ( $num >> 12 ) + 224 ) . chr( ( ( $num >> 6 )&63 ) + 128 ) . chr( ( $num&63 ) + 128 );
}
- $wgMemc->set( $memckey, array( 'version' => AJAX_SEARCH_VERSION, 'html' => $html ), 30 * 60 );
+ if ( $num < 2097152 ) {
+ return chr( ( $num >> 18 ) + 240 ) . chr( ( ( $num >> 12 )&63 ) + 128 ) . chr( ( ( $num >> 6 )&63 ) + 128 ) . chr( ( $num&63 ) + 128 );
+ }
- $response = new AjaxResponse( $html );
- $response->setCacheDuration( 30*60 );
- return $response;
+ return '';
}
/**
- * Called for AJAX watch/unwatch requests.
- * @param $pagename Prefixed title string for page to watch/unwatch
- * @param $watch String 'w' to watch, 'u' to unwatch
- * @return String '<w#>' or '<u#>' on successful watch or unwatch,
- * respectively, followed by an HTML message to display in the alert box; or
- * '<err#>' on error
+ * Called in some places (currently just extensions)
+ * to get the URL for a given file.
*/
-function wfAjaxWatch($pagename = "", $watch = "") {
- if(wfReadOnly()) {
- // redirect to action=(un)watch, which will display the database lock
- // message
- return '<err#>';
- }
+function wfAjaxGetFileUrl( $file ) {
+ $file = wfFindFile( $file );
- if('w' !== $watch && 'u' !== $watch) {
- return '<err#>';
+ if ( !$file || !$file->exists() ) {
+ return null;
}
- $watch = 'w' === $watch;
- $title = Title::newFromDBkey($pagename);
- if(!$title) {
- // Invalid title
- return '<err#>';
- }
- $article = new Article($title);
- $watching = $title->userIsWatching();
+ $url = $file->getUrl();
- if($watch) {
- if(!$watching) {
- $dbw = wfGetDB(DB_MASTER);
- $dbw->begin();
- $article->doWatch();
- $dbw->commit();
- }
- } else {
- if($watching) {
- $dbw = wfGetDB(DB_MASTER);
- $dbw->begin();
- $article->doUnwatch();
- $dbw->commit();
- }
- }
- if( $watch ) {
- return '<w#>'.wfMsgExt( 'addedwatchtext', array( 'parse' ), $title->getPrefixedText() );
- } else {
- return '<u#>'.wfMsgExt( 'removedwatchtext', array( 'parse' ), $title->getPrefixedText() );
- }
+ return $url;
}
-