dokuwiki/inc/Ajax.php

448 lines
12 KiB
PHP

<?php
namespace dokuwiki;
use dokuwiki\Extension\Event;
use dokuwiki\Ui\MediaDiff;
use dokuwiki\Ui\Index;
use dokuwiki\Ui;
use dokuwiki\Utf8\Sort;
/**
* Manage all builtin AJAX calls
*
* @todo The calls should be refactored out to their own proper classes
* @package dokuwiki
*/
class Ajax
{
/**
* Execute the given call
*
* @param string $call name of the ajax call
*/
public function __construct($call)
{
$callfn = 'call' . ucfirst($call);
if (method_exists($this, $callfn)) {
$this->$callfn();
} else {
$evt = new Event('AJAX_CALL_UNKNOWN', $call);
if ($evt->advise_before()) {
echo "AJAX call '" . hsc($call) . "' unknown!\n";
} else {
$evt->advise_after();
unset($evt);
}
}
}
/**
* Searches for matching pagenames
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
protected function callQsearch()
{
global $lang;
global $INPUT;
$maxnumbersuggestions = 50;
$query = $INPUT->post->str('q');
if (empty($query)) $query = $INPUT->get->str('q');
if (empty($query)) return;
$query = urldecode($query);
$data = ft_pageLookup($query, true, useHeading('navigation'));
if ($data === []) return;
echo '<strong>' . $lang['quickhits'] . '</strong>';
echo '<ul>';
$counter = 0;
foreach ($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>';
$counter++;
if ($counter > $maxnumbersuggestions) {
echo '<li>...</li>';
break;
}
}
echo '</ul>';
}
/**
* Support OpenSearch suggestions
*
* @link http://www.opensearch.org/Specifications/OpenSearch/Extensions/Suggestions/1.0
* @author Mike Frysinger <vapier@gentoo.org>
*/
protected function callSuggestions()
{
global $INPUT;
$query = cleanID($INPUT->post->str('q'));
if (empty($query)) $query = cleanID($INPUT->get->str('q'));
if (empty($query)) return;
$data = ft_pageLookup($query);
if ($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::sort($data);
/* now construct a json */
$suggestions = [
$query, // the original query
$data, // some suggestions
[], // no description
[], // no urls
];
header('Content-Type: application/x-suggestions+json');
echo json_encode($suggestions, JSON_THROW_ON_ERROR);
}
/**
* Refresh a page lock and save draft
*
* Andreas Gohr <andi@splitbrain.org>
*/
protected function callLock()
{
global $ID;
global $INFO;
global $INPUT;
$ID = cleanID($INPUT->post->str('id'));
if (empty($ID)) return;
$INFO = pageinfo();
$response = [
'errors' => [],
'lock' => '0',
'draft' => '',
];
if (!$INFO['writable']) {
$response['errors'][] = 'Permission to write this page has been denied.';
echo json_encode($response);
return;
}
if (!checklock($ID)) {
lock($ID);
$response['lock'] = '1';
}
$draft = new Draft($ID, $INFO['client']);
if ($draft->saveDraft()) {
$response['draft'] = $draft->getDraftMessage();
} else {
$response['errors'] = array_merge($response['errors'], $draft->getErrors());
}
echo json_encode($response, JSON_THROW_ON_ERROR);
}
/**
* Delete a draft
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
protected function callDraftdel()
{
global $INPUT;
$id = cleanID($INPUT->str('id'));
if (empty($id)) return;
$client = $INPUT->server->str('REMOTE_USER');
if (!$client) $client = clientIP(true);
$draft = new Draft($id, $client);
if ($draft->isDraftAvailable() && checkSecurityToken()) {
$draft->deleteDraft();
}
}
/**
* Return subnamespaces for the Mediamanager
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
protected function callMedians()
{
global $conf;
global $INPUT;
// wanted namespace
$ns = cleanID($INPUT->post->str('ns'));
$dir = utf8_encodeFN(str_replace(':', '/', $ns));
$lvl = count(explode(':', $ns));
$data = [];
search($data, $conf['mediadir'], 'search_index', ['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>
*/
protected function callMedialist()
{
global $NS;
global $INPUT;
$NS = cleanID($INPUT->post->str('ns'));
$sort = $INPUT->post->bool('recent') ? 'date' : 'natural';
if ($INPUT->post->str('do') == 'media') {
tpl_mediaFileList();
} else {
tpl_mediaContent(true, $sort);
}
}
/**
* Return the content of the right column
* (image details) for the Mediamanager
*
* @author Kate Arzamastseva <pshns@ukr.net>
*/
protected function callMediadetails()
{
global $IMG, $JUMPTO, $REV, $fullscreen, $INPUT;
$fullscreen = true;
require_once(DOKU_INC . 'lib/exe/mediamanager.php');
$image = '';
if ($INPUT->has('image')) $image = cleanID($INPUT->str('image'));
if (isset($IMG)) $image = $IMG;
if (isset($JUMPTO)) $image = $JUMPTO;
$rev = false;
if (isset($REV) && !$JUMPTO) $rev = $REV;
html_msgarea();
tpl_mediaFileDetails($image, $rev);
}
/**
* Returns image diff representation for mediamanager
*
* @author Kate Arzamastseva <pshns@ukr.net>
*/
protected function callMediadiff()
{
global $INPUT;
$image = '';
if ($INPUT->has('image')) $image = cleanID($INPUT->str('image'));
(new MediaDiff($image))->preference('fromAjax', true)->show();
}
/**
* Manages file uploads
*
* @author Kate Arzamastseva <pshns@ukr.net>
*/
protected function callMediaupload()
{
global $NS, $MSG, $INPUT;
$id = '';
if (isset($_FILES['qqfile']['tmp_name'])) {
$id = $INPUT->post->str('mediaid', $_FILES['qqfile']['name']);
} elseif ($INPUT->get->has('qqfile')) {
$id = $INPUT->get->str('qqfile');
}
$id = cleanID($id);
$NS = $INPUT->str('ns');
$ns = $NS . ':' . getNS($id);
$AUTH = auth_quickaclcheck("$ns:*");
if ($AUTH >= AUTH_UPLOAD) {
io_createNamespace("$ns:xxx", 'media');
}
if (isset($_FILES['qqfile']['error']) && $_FILES['qqfile']['error']) unset($_FILES['qqfile']);
$res = false;
if (isset($_FILES['qqfile']['tmp_name'])) $res = media_upload($NS, $AUTH, $_FILES['qqfile']);
if ($INPUT->get->has('qqfile')) $res = media_upload_xhr($NS, $AUTH);
if ($res) {
$result = [
'success' => true,
'link' => media_managerURL(['ns' => $ns, 'image' => $NS . ':' . $id], '&'),
'id' => $NS . ':' . $id,
'ns' => $NS
];
} else {
$error = '';
if (isset($MSG)) {
foreach ($MSG as $msg) {
$error .= $msg['msg'];
}
}
$result = ['error' => $error, 'ns' => $NS];
}
header('Content-Type: application/json');
echo json_encode($result, JSON_THROW_ON_ERROR);
}
/**
* Return sub index for index view
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
protected function callIndex()
{
global $conf;
global $INPUT;
// wanted namespace
$ns = cleanID($INPUT->post->str('idx'));
$dir = utf8_encodeFN(str_replace(':', '/', $ns));
$lvl = count(explode(':', $ns));
$data = [];
search($data, $conf['datadir'], 'search_index', ['ns' => $ns], $dir);
foreach (array_keys($data) as $item) {
$data[$item]['level'] = $lvl + 1;
}
$idx = new Index();
echo html_buildlist($data, 'idx', [$idx,'formatListItem'], [$idx,'tagListItem']);
}
/**
* List matching namespaces and pages for the link wizard
*
* @author Andreas Gohr <gohr@cosmocode.de>
*/
protected function callLinkwiz()
{
global $conf;
global $lang;
global $INPUT;
$q = ltrim(trim($INPUT->post->str('q')), ':');
$id = noNS($q);
$ns = getNS($q);
$ns = cleanID($ns);
$id = cleanID($id);
$nsd = utf8_encodeFN(str_replace(':', '/', $ns));
$data = [];
if ($q !== '' && $ns === '') {
// use index to lookup matching pages
$pages = ft_pageLookup($id, true);
// If 'useheading' option is 'always' or 'content',
// search page titles with original query as well.
if ($conf['useheading'] == '1' || $conf['useheading'] == 'content') {
$pages = array_merge($pages, ft_pageLookup($q, true, true));
asort($pages, SORT_STRING);
}
// result contains matches in pages and namespaces
// we now extract the matching namespaces to show
// them seperately
$dirs = [];
foreach ($pages as $pid => $title) {
if (strpos(getNS($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[] = ['id' => $pid, 'title' => $title, 'type' => 'f'];
}
unset($pages[$pid]);
}
foreach (array_keys($dirs) as $dir) {
$data[] = ['id' => $dir, 'type' => 'd'];
}
} else {
$opts = [
'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(
$data,
['id' => getNS($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 {
$name = hsc($item['id']);
}
echo '<a href="' . $link . '" title="' . hsc($item['id']) . '" class="wikilink1">' . $name . '</a>';
if (!blank($item['title'])) {
echo '<span>' . hsc($item['title']) . '</span>';
}
echo '</div>';
}
}
}