1 files changed, 435 insertions, 0 deletions
diff --git a/lib/exe/ajax.php b/lib/exe/ajax.php
new file mode 100644
index 000000000..3d1584244
--- /dev/null
+++ b/lib/exe/ajax.php
@@ -0,0 +1,435 @@
+<?php
+/**
+ * DokuWiki AJAX call handler
+ *
+ * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
+ * @author     Andreas Gohr <andi@splitbrain.org>
+ */
+
+if(!defined('DOKU_INC')) define('DOKU_INC',dirname(__FILE__).'/../../');
+require_once(DOKU_INC.'inc/init.php');
+//close session
+session_write_close();
+
+header('Content-Type: text/html; charset=utf-8');
+
+
+//call the requested function
+if(isset($_POST['call'])){
+    $call = $_POST['call'];
+}else if(isset($_GET['call'])){
+    $call = $_GET['call'];
+}else{
+    exit;
+}
+$callfn = 'ajax_'.$call;
+
+if(function_exists($callfn)){
+    $callfn();
+}else{
+    $evt = new Doku_Event('AJAX_CALL_UNKNOWN', $call);
+    if ($evt->advise_before()) {
+        print "AJAX call '".htmlspecialchars($call)."' unknown!\n";
+        exit;
+    }
+    $evt->advise_after();
+    unset($evt);
+}
+
+/**
+ * Searches for matching pagenames
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function ajax_qsearch(){
+    global $conf;
+    global $lang;
+
+    $query = $_POST['q'];
+    if(empty($query)) $query = $_GET['q'];
+    if(empty($query)) return;
+
+    $query = urldecode($query);
+
+    $data = ft_pageLookup($query, true, useHeading('navigation'));
+
+    if(!count($data)) return;
+
+    print '<strong>'.$lang['quickhits'].'</strong>';
+    print '<ul>';
+    foreach($data as $id => $title){
+        if (useHeading('navigation')) {
+            $name = $title;
+        } else {
+            $ns = getNS($id);
+            if($ns){
+                $name = noNS($id).' ('.$ns.')';
+            }else{
+                $name = $id;
+            }
+        }
+        echo '<li>' . html_wikilink(':'.$id,$name) . '</li>';
+    }
+    print '</ul>';
+}
+
+/**
+ * Support OpenSearch suggestions
+ *
+ * @link   http://www.opensearch.org/Specifications/OpenSearch/Extensions/Suggestions/1.0
+ * @author Mike Frysinger <vapier@gentoo.org>
+ */
+function ajax_suggestions() {
+    global $conf;
+    global $lang;
+
+    $query = cleanID($_POST['q']);
+    if(empty($query)) $query = cleanID($_GET['q']);
+    if(empty($query)) return;
+
+    $data = array();
+    $data = ft_pageLookup($query);
+    if(!count($data)) return;
+    $data = array_keys($data);
+
+    // limit results to 15 hits
+    $data = array_slice($data, 0, 15);
+    $data = array_map('trim',$data);
+    $data = array_map('noNS',$data);
+    $data = array_unique($data);
+    sort($data);
+
+    /* now construct a json */
+    $suggestions = array(
+                        $query,  // the original query
+                        $data,   // some suggestions
+                        array(), // no description
+                        array()  // no urls
+                   );
+    $json = new JSON();
+
+    header('Content-Type: application/x-suggestions+json');
+    print $json->encode($suggestions);
+}
+
+/**
+ * Refresh a page lock and save draft
+ *
+ * Andreas Gohr <andi@splitbrain.org>
+ */
+function ajax_lock(){
+    global $conf;
+    global $lang;
+    global $ID;
+    global $INFO;
+
+    $ID = cleanID($_POST['id']);
+    if(empty($ID)) return;
+
+    $INFO = pageinfo();
+
+    if (!$INFO['writable']) {
+        echo 'Permission denied';
+        return;
+    }
+
+    if(!checklock($ID)){
+        lock($ID);
+        echo 1;
+    }
+
+    if($conf['usedraft'] && $_POST['wikitext']){
+        $client = $_SERVER['REMOTE_USER'];
+        if(!$client) $client = clientIP(true);
+
+        $draft = array('id'     => $ID,
+                'prefix' => substr($_POST['prefix'], 0, -1),
+                'text'   => $_POST['wikitext'],
+                'suffix' => $_POST['suffix'],
+                'date'   => (int) $_POST['date'],
+                'client' => $client,
+                );
+        $cname = getCacheName($draft['client'].$ID,'.draft');
+        if(io_saveFile($cname,serialize($draft))){
+            echo $lang['draftdate'].' '.dformat();
+        }
+    }
+
+}
+
+/**
+ * Delete a draft
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function ajax_draftdel(){
+    $id = cleanID($_REQUEST['id']);
+    if(empty($id)) return;
+
+    $client = $_SERVER['REMOTE_USER'];
+    if(!$client) $client = clientIP(true);
+
+    $cname = getCacheName($client.$id,'.draft');
+    @unlink($cname);
+}
+
+/**
+ * Return subnamespaces for the Mediamanager
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function ajax_medians(){
+    global $conf;
+
+    // wanted namespace
+    $ns  = cleanID($_POST['ns']);
+    $dir  = utf8_encodeFN(str_replace(':','/',$ns));
+
+    $lvl = count(explode(':',$ns));
+
+    $data = array();
+    search($data,$conf['mediadir'],'search_index',array('nofiles' => true),$dir);
+    foreach(array_keys($data) as $item){
+        $data[$item]['level'] = $lvl+1;
+    }
+    echo html_buildlist($data, 'idx', 'media_nstree_item', 'media_nstree_li');
+}
+
+/**
+ * Return list of files for the Mediamanager
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function ajax_medialist(){
+    global $conf;
+    global $NS;
+
+    $NS = $_POST['ns'];
+    if ($_POST['do'] == 'media') {
+        tpl_mediaFileList();
+    } else {
+        tpl_mediaContent(true);
+    }
+}
+
+/**
+ * Return the content of the right column
+ * (image details) for the Mediamanager
+ *
+ * @author Kate Arzamastseva <pshns@ukr.net>
+ */
+function ajax_mediadetails(){
+    global $DEL, $NS, $IMG, $AUTH, $JUMPTO, $REV, $lang, $fullscreen, $conf;
+    $fullscreen = true;
+    require_once(DOKU_INC.'lib/exe/mediamanager.php');
+
+    if ($_REQUEST['image']) $image = cleanID($_REQUEST['image']);
+    if (isset($IMG)) $image = $IMG;
+    if (isset($JUMPTO)) $image = $JUMPTO;
+    if (isset($REV) && !$JUMPTO) $rev = $REV;
+
+    html_msgarea();
+    tpl_mediaFileDetails($image, $rev);
+}
+
+/**
+ * Returns image diff representation for mediamanager
+ * @author Kate Arzamastseva <pshns@ukr.net>
+ */
+function ajax_mediadiff(){
+    global $NS;
+
+    if ($_REQUEST['image']) $image = cleanID($_REQUEST['image']);
+    $NS = $_POST['ns'];
+    $auth = auth_quickaclcheck("$ns:*");
+    media_diff($image, $NS, $auth, true);
+}
+
+function ajax_mediaupload(){
+    global $NS, $MSG;
+
+    if ($_FILES['qqfile']['tmp_name']) {
+        $id = ((empty($_POST['mediaid'])) ? $_FILES['qqfile']['name'] : $_POST['mediaid']);
+    } elseif (isset($_GET['qqfile'])) {
+        $id = $_GET['qqfile'];
+    }
+
+    $id = cleanID($id);
+
+    $NS = $_REQUEST['ns'];
+    $ns = $NS.':'.getNS($id);
+
+    $AUTH = auth_quickaclcheck("$ns:*");
+    if($AUTH >= AUTH_UPLOAD) { io_createNamespace("$ns:xxx", 'media'); }
+
+    if ($_FILES['qqfile']['error']) unset($_FILES['qqfile']);
+
+    if ($_FILES['qqfile']['tmp_name']) $res = media_upload($NS, $AUTH, $_FILES['qqfile']);
+    if (isset($_GET['qqfile'])) $res = media_upload_xhr($NS, $AUTH);
+
+    if ($res) $result = array('success' => true,
+        'link' => media_managerURL(array('ns' => $ns, 'image' => $NS.':'.$id), '&'),
+        'id' => $NS.':'.$id, 'ns' => $NS);
+
+    if (!$result) {
+        $error = '';
+        if (isset($MSG)) {
+            foreach($MSG as $msg) $error .= $msg['msg'];
+        }
+        $result = array('error' => $msg['msg'], 'ns' => $NS);
+    }
+    $json = new JSON;
+    echo htmlspecialchars($json->encode($result), ENT_NOQUOTES);
+}
+
+function dir_delete($path) {
+    if (!is_string($path) || $path == "") return false;
+
+    if (is_dir($path) && !is_link($path)) {
+        if (!$dh = @opendir($path)) return false;
+
+        while ($f = readdir($dh)) {
+            if ($f == '..' || $f == '.') continue;
+            dir_delete("$path/$f");
+        }
+
+        closedir($dh);
+        return @rmdir($path);
+    } else {
+        return @unlink($path);
+    }
+
+    return false;
+}
+
+/**
+ * Return sub index for index view
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function ajax_index(){
+    global $conf;
+
+    // wanted namespace
+    $ns  = cleanID($_POST['idx']);
+    $dir  = utf8_encodeFN(str_replace(':','/',$ns));
+
+    $lvl = count(explode(':',$ns));
+
+    $data = array();
+    search($data,$conf['datadir'],'search_index',array('ns' => $ns),$dir);
+    foreach(array_keys($data) as $item){
+        $data[$item]['level'] = $lvl+1;
+    }
+    echo html_buildlist($data, 'idx', 'html_list_index', 'html_li_index');
+}
+
+/**
+ * List matching namespaces and pages for the link wizard
+ *
+ * @author Andreas Gohr <gohr@cosmocode.de>
+ */
+function ajax_linkwiz(){
+    global $conf;
+    global $lang;
+
+    $q  = ltrim(trim($_POST['q']),':');
+    $id = noNS($q);
+    $ns = getNS($q);
+
+    $ns = cleanID($ns);
+    $id = cleanID($id);
+
+    $nsd  = utf8_encodeFN(str_replace(':','/',$ns));
+    $idd  = utf8_encodeFN(str_replace(':','/',$id));
+
+    $data = array();
+    if($q && !$ns){
+
+        // use index to lookup matching pages
+        $pages = array();
+        $pages = ft_pageLookup($id,true);
+
+        // result contains matches in pages and namespaces
+        // we now extract the matching namespaces to show
+        // them seperately
+        $dirs  = array();
+
+        foreach($pages as $pid => $title){
+            if(strpos(noNS($pid),$id) === false){
+                // match was in the namespace
+                $dirs[getNS($pid)] = 1; // assoc array avoids dupes
+            }else{
+                // it is a matching page, add it to the result
+                $data[] = array(
+                        'id'    => $pid,
+                        'title' => $title,
+                        'type'  => 'f',
+                        );
+            }
+            unset($pages[$pid]);
+        }
+        foreach($dirs as $dir => $junk){
+            $data[] = array(
+                    'id'   => $dir,
+                    'type' => 'd',
+                    );
+        }
+
+    }else{
+
+        $opts = array(
+                'depth' => 1,
+                'listfiles' => true,
+                'listdirs'  => true,
+                'pagesonly' => true,
+                'firsthead' => true,
+                'sneakyacl' => $conf['sneaky_index'],
+                );
+        if($id) $opts['filematch'] = '^.*\/'.$id;
+        if($id) $opts['dirmatch']  = '^.*\/'.$id;
+        search($data,$conf['datadir'],'search_universal',$opts,$nsd);
+
+        // add back to upper
+        if($ns){
+            array_unshift($data,array(
+                        'id'   => getNS($ns),
+                        'type' => 'u',
+                        ));
+        }
+    }
+
+    // fixme sort results in a useful way ?
+
+    if(!count($data)){
+        echo $lang['nothingfound'];
+        exit;
+    }
+
+    // output the found data
+    $even = 1;
+    foreach($data as $item){
+        $even *= -1; //zebra
+
+        if(($item['type'] == 'd' || $item['type'] == 'u') && $item['id']) $item['id'] .= ':';
+        $link = wl($item['id']);
+
+        echo '<div class="'.(($even > 0)?'even':'odd').' type_'.$item['type'].'">';
+
+        if($item['type'] == 'u'){
+            $name = $lang['upperns'];
+        }else{
+            $name = htmlspecialchars($item['id']);
+        }
+
+        echo '<a href="'.$link.'" title="'.htmlspecialchars($item['id']).'" class="wikilink1">'.$name.'</a>';
+
+        if($item['title']){
+            echo '<span>'.htmlspecialchars($item['title']).'</span>';
+        }
+        echo '</div>';
+    }
+
+}
+
+//Setup VIM: ex: et ts=2 :