519 lines
16 KiB
PHP
519 lines
16 KiB
PHP
<?php
|
|
/**
|
|
* DokuWiki search functions
|
|
*
|
|
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
|
|
* @author Andreas Gohr <andi@splitbrain.org>
|
|
*/
|
|
|
|
/**
|
|
* Recurse directory
|
|
*
|
|
* This function recurses into a given base directory
|
|
* and calls the supplied function for each file and directory
|
|
*
|
|
* @param array &$data The results of the search are stored here
|
|
* @param string $base Where to start the search
|
|
* @param callback $func Callback (function name or array with object,method)
|
|
* @param array $opts option array will be given to the Callback
|
|
* @param string $dir Current directory beyond $base
|
|
* @param int $lvl Recursion Level
|
|
* @param mixed $sort 'natural' to use natural order sorting (default);
|
|
* 'date' to sort by filemtime; leave empty to skip sorting.
|
|
* @author Andreas Gohr <andi@splitbrain.org>
|
|
*/
|
|
function search(&$data,$base,$func,$opts,$dir='',$lvl=1,$sort='natural'){
|
|
$dirs = array();
|
|
$files = array();
|
|
$filepaths = array();
|
|
|
|
// safeguard against runaways #1452
|
|
if($base == '' || $base == '/') {
|
|
throw new RuntimeException('No valid $base passed to search() - possible misconfiguration or bug');
|
|
}
|
|
|
|
//read in directories and files
|
|
$dh = @opendir($base.'/'.$dir);
|
|
if(!$dh) return;
|
|
while(($file = readdir($dh)) !== false){
|
|
if(preg_match('/^[\._]/',$file)) continue; //skip hidden files and upper dirs
|
|
if(is_dir($base.'/'.$dir.'/'.$file)){
|
|
$dirs[] = $dir.'/'.$file;
|
|
continue;
|
|
}
|
|
$files[] = $dir.'/'.$file;
|
|
$filepaths[] = $base.'/'.$dir.'/'.$file;
|
|
}
|
|
closedir($dh);
|
|
if (!empty($sort)) {
|
|
if ($sort == 'date') {
|
|
@array_multisort(array_map('filemtime', $filepaths), SORT_NUMERIC, SORT_DESC, $files);
|
|
} else /* natural */ {
|
|
natsort($files);
|
|
}
|
|
natsort($dirs);
|
|
}
|
|
|
|
//give directories to userfunction then recurse
|
|
foreach($dirs as $dir){
|
|
if (call_user_func_array($func, array(&$data,$base,$dir,'d',$lvl,$opts))){
|
|
search($data,$base,$func,$opts,$dir,$lvl+1,$sort);
|
|
}
|
|
}
|
|
//now handle the files
|
|
foreach($files as $file){
|
|
call_user_func_array($func, array(&$data,$base,$file,'f',$lvl,$opts));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* The following functions are userfunctions to use with the search
|
|
* function above. This function is called for every found file or
|
|
* directory. When a directory is given to the function it has to
|
|
* decide if this directory should be traversed (true) or not (false)
|
|
* The function has to accept the following parameters:
|
|
*
|
|
* array &$data - Reference to the result data structure
|
|
* string $base - Base usually $conf['datadir']
|
|
* string $file - current file or directory relative to $base
|
|
* string $type - Type either 'd' for directory or 'f' for file
|
|
* int $lvl - Current recursion depht
|
|
* array $opts - option array as given to search()
|
|
*
|
|
* return values for files are ignored
|
|
*
|
|
* All functions should check the ACL for document READ rights
|
|
* namespaces (directories) are NOT checked (when sneaky_index is 0) as this
|
|
* would break the recursion (You can have an nonreadable dir over a readable
|
|
* one deeper nested) also make sure to check the file type (for example
|
|
* in case of lockfiles).
|
|
*/
|
|
|
|
/**
|
|
* Searches for pages beginning with the given query
|
|
*
|
|
* @author Andreas Gohr <andi@splitbrain.org>
|
|
*
|
|
* @param array $data
|
|
* @param string $base
|
|
* @param string $file
|
|
* @param string $type
|
|
* @param integer $lvl
|
|
* @param array $opts
|
|
*
|
|
* @return bool
|
|
*/
|
|
function search_qsearch(&$data,$base,$file,$type,$lvl,$opts){
|
|
$opts = array(
|
|
'idmatch' => '(^|:)'.preg_quote($opts['query'],'/').'/',
|
|
'listfiles' => true,
|
|
'pagesonly' => true,
|
|
);
|
|
return search_universal($data,$base,$file,$type,$lvl,$opts);
|
|
}
|
|
|
|
/**
|
|
* Build the browsable index of pages
|
|
*
|
|
* $opts['ns'] is the currently viewed namespace
|
|
*
|
|
* @author Andreas Gohr <andi@splitbrain.org>
|
|
*
|
|
* @param array $data
|
|
* @param string $base
|
|
* @param string $file
|
|
* @param string $type
|
|
* @param integer $lvl
|
|
* @param array $opts
|
|
*
|
|
* @return bool
|
|
*/
|
|
function search_index(&$data,$base,$file,$type,$lvl,$opts){
|
|
global $conf;
|
|
$opts = array(
|
|
'pagesonly' => true,
|
|
'listdirs' => true,
|
|
'listfiles' => empty($opts['nofiles']),
|
|
'sneakyacl' => $conf['sneaky_index'],
|
|
// Hacky, should rather use recmatch
|
|
'depth' => preg_match('#^'.preg_quote($file, '#').'(/|$)#','/'.$opts['ns']) ? 0 : -1
|
|
);
|
|
|
|
return search_universal($data, $base, $file, $type, $lvl, $opts);
|
|
}
|
|
|
|
/**
|
|
* List all namespaces
|
|
*
|
|
* @author Andreas Gohr <andi@splitbrain.org>
|
|
*
|
|
* @param array $data
|
|
* @param string $base
|
|
* @param string $file
|
|
* @param string $type
|
|
* @param integer $lvl
|
|
* @param array $opts
|
|
*
|
|
* @return bool
|
|
*/
|
|
function search_namespaces(&$data,$base,$file,$type,$lvl,$opts){
|
|
$opts = array(
|
|
'listdirs' => true,
|
|
);
|
|
return search_universal($data,$base,$file,$type,$lvl,$opts);
|
|
}
|
|
|
|
/**
|
|
* List all mediafiles in a namespace
|
|
* $opts['depth'] recursion level, 0 for all
|
|
* $opts['showmsg'] shows message if invalid media id is used
|
|
* $opts['skipacl'] skip acl checking
|
|
* $opts['pattern'] check given pattern
|
|
* $opts['hash'] add hashes to result list
|
|
*
|
|
* @author Andreas Gohr <andi@splitbrain.org>
|
|
*
|
|
* @param array $data
|
|
* @param string $base
|
|
* @param string $file
|
|
* @param string $type
|
|
* @param integer $lvl
|
|
* @param array $opts
|
|
*
|
|
* @return bool
|
|
*/
|
|
function search_media(&$data,$base,$file,$type,$lvl,$opts){
|
|
|
|
//we do nothing with directories
|
|
if($type == 'd') {
|
|
if(empty($opts['depth'])) return true; // recurse forever
|
|
$depth = substr_count($file,'/');
|
|
if($depth >= $opts['depth']) return false; // depth reached
|
|
return true;
|
|
}
|
|
|
|
$info = array();
|
|
$info['id'] = pathID($file,true);
|
|
if($info['id'] != cleanID($info['id'])){
|
|
if($opts['showmsg'])
|
|
msg(hsc($info['id']).' is not a valid file name for DokuWiki - skipped',-1);
|
|
return false; // skip non-valid files
|
|
}
|
|
|
|
//check ACL for namespace (we have no ACL for mediafiles)
|
|
$info['perm'] = auth_quickaclcheck(getNS($info['id']).':*');
|
|
if(empty($opts['skipacl']) && $info['perm'] < AUTH_READ){
|
|
return false;
|
|
}
|
|
|
|
//check pattern filter
|
|
if(!empty($opts['pattern']) && !@preg_match($opts['pattern'], $info['id'])){
|
|
return false;
|
|
}
|
|
|
|
$info['file'] = \dokuwiki\Utf8\PhpString::basename($file);
|
|
$info['size'] = filesize($base.'/'.$file);
|
|
$info['mtime'] = filemtime($base.'/'.$file);
|
|
$info['writable'] = is_writable($base.'/'.$file);
|
|
if(preg_match("/\.(jpe?g|gif|png)$/",$file)){
|
|
$info['isimg'] = true;
|
|
$info['meta'] = new JpegMeta($base.'/'.$file);
|
|
}else{
|
|
$info['isimg'] = false;
|
|
}
|
|
if(!empty($opts['hash'])){
|
|
$info['hash'] = md5(io_readFile(mediaFN($info['id']),false));
|
|
}
|
|
|
|
$data[] = $info;
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* This function just lists documents (for RSS namespace export)
|
|
*
|
|
* @author Andreas Gohr <andi@splitbrain.org>
|
|
*
|
|
* @param array $data
|
|
* @param string $base
|
|
* @param string $file
|
|
* @param string $type
|
|
* @param integer $lvl
|
|
* @param array $opts
|
|
*
|
|
* @return bool
|
|
*/
|
|
function search_list(&$data,$base,$file,$type,$lvl,$opts){
|
|
//we do nothing with directories
|
|
if($type == 'd') return false;
|
|
//only search txt files
|
|
if(substr($file,-4) == '.txt'){
|
|
//check ACL
|
|
$id = pathID($file);
|
|
if(auth_quickaclcheck($id) < AUTH_READ){
|
|
return false;
|
|
}
|
|
$data[]['id'] = $id;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Quicksearch for searching matching pagenames
|
|
*
|
|
* $opts['query'] is the search query
|
|
*
|
|
* @author Andreas Gohr <andi@splitbrain.org>
|
|
*
|
|
* @param array $data
|
|
* @param string $base
|
|
* @param string $file
|
|
* @param string $type
|
|
* @param integer $lvl
|
|
* @param array $opts
|
|
*
|
|
* @return bool
|
|
*/
|
|
function search_pagename(&$data,$base,$file,$type,$lvl,$opts){
|
|
//we do nothing with directories
|
|
if($type == 'd') return true;
|
|
//only search txt files
|
|
if(substr($file,-4) != '.txt') return true;
|
|
|
|
//simple stringmatching
|
|
if (!empty($opts['query'])){
|
|
if(strpos($file,$opts['query']) !== false){
|
|
//check ACL
|
|
$id = pathID($file);
|
|
if(auth_quickaclcheck($id) < AUTH_READ){
|
|
return false;
|
|
}
|
|
$data[]['id'] = $id;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Just lists all documents
|
|
*
|
|
* $opts['depth'] recursion level, 0 for all
|
|
* $opts['hash'] do md5 sum of content?
|
|
* $opts['skipacl'] list everything regardless of ACL
|
|
*
|
|
* @author Andreas Gohr <andi@splitbrain.org>
|
|
*
|
|
* @param array $data
|
|
* @param string $base
|
|
* @param string $file
|
|
* @param string $type
|
|
* @param integer $lvl
|
|
* @param array $opts
|
|
*
|
|
* @return bool
|
|
*/
|
|
function search_allpages(&$data,$base,$file,$type,$lvl,$opts){
|
|
if(isset($opts['depth']) && $opts['depth']){
|
|
$parts = explode('/',ltrim($file,'/'));
|
|
if(($type == 'd' && count($parts) >= $opts['depth'])
|
|
|| ($type != 'd' && count($parts) > $opts['depth'])){
|
|
return false; // depth reached
|
|
}
|
|
}
|
|
|
|
//we do nothing with directories
|
|
if($type == 'd'){
|
|
return true;
|
|
}
|
|
|
|
//only search txt files
|
|
if(substr($file,-4) != '.txt') return true;
|
|
|
|
$item = array();
|
|
$item['id'] = pathID($file);
|
|
if(empty($opts['skipacl']) && auth_quickaclcheck($item['id']) < AUTH_READ){
|
|
return false;
|
|
}
|
|
|
|
$item['rev'] = filemtime($base.'/'.$file);
|
|
$item['mtime'] = $item['rev'];
|
|
$item['size'] = filesize($base.'/'.$file);
|
|
if(!empty($opts['hash'])){
|
|
$item['hash'] = md5(trim(rawWiki($item['id'])));
|
|
}
|
|
|
|
$data[] = $item;
|
|
return true;
|
|
}
|
|
|
|
/* ------------- helper functions below -------------- */
|
|
|
|
/**
|
|
* fulltext sort
|
|
*
|
|
* Callback sort function for use with usort to sort the data
|
|
* structure created by search_fulltext. Sorts descending by count
|
|
*
|
|
* @author Andreas Gohr <andi@splitbrain.org>
|
|
*
|
|
* @param array $a
|
|
* @param array $b
|
|
*
|
|
* @return int
|
|
*/
|
|
function sort_search_fulltext($a,$b){
|
|
if($a['count'] > $b['count']){
|
|
return -1;
|
|
}elseif($a['count'] < $b['count']){
|
|
return 1;
|
|
}else{
|
|
return strcmp($a['id'],$b['id']);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* translates a document path to an ID
|
|
*
|
|
* @author Andreas Gohr <andi@splitbrain.org>
|
|
* @todo move to pageutils
|
|
*
|
|
* @param string $path
|
|
* @param bool $keeptxt
|
|
*
|
|
* @return mixed|string
|
|
*/
|
|
function pathID($path,$keeptxt=false){
|
|
$id = utf8_decodeFN($path);
|
|
$id = str_replace('/',':',$id);
|
|
if(!$keeptxt) $id = preg_replace('#\.txt$#','',$id);
|
|
$id = trim($id, ':');
|
|
return $id;
|
|
}
|
|
|
|
|
|
/**
|
|
* This is a very universal callback for the search() function, replacing
|
|
* many of the former individual functions at the cost of a more complex
|
|
* setup.
|
|
*
|
|
* How the function behaves, depends on the options passed in the $opts
|
|
* array, where the following settings can be used.
|
|
*
|
|
* depth int recursion depth. 0 for unlimited (default: 0)
|
|
* keeptxt bool keep .txt extension for IDs (default: false)
|
|
* listfiles bool include files in listing (default: false)
|
|
* listdirs bool include namespaces in listing (default: false)
|
|
* pagesonly bool restrict files to pages (default: false)
|
|
* skipacl bool do not check for READ permission (default: false)
|
|
* sneakyacl bool don't recurse into nonreadable dirs (default: false)
|
|
* hash bool create MD5 hash for files (default: false)
|
|
* meta bool return file metadata (default: false)
|
|
* filematch string match files against this regexp (default: '', so accept everything)
|
|
* idmatch string match full ID against this regexp (default: '', so accept everything)
|
|
* dirmatch string match directory against this regexp when adding (default: '', so accept everything)
|
|
* nsmatch string match namespace against this regexp when adding (default: '', so accept everything)
|
|
* recmatch string match directory against this regexp when recursing (default: '', so accept everything)
|
|
* showmsg bool warn about non-ID files (default: false)
|
|
* showhidden bool show hidden files(e.g. by hidepages config) too (default: false)
|
|
* firsthead bool return first heading for pages (default: false)
|
|
*
|
|
* @param array &$data - Reference to the result data structure
|
|
* @param string $base - Base usually $conf['datadir']
|
|
* @param string $file - current file or directory relative to $base
|
|
* @param string $type - Type either 'd' for directory or 'f' for file
|
|
* @param int $lvl - Current recursion depht
|
|
* @param array $opts - option array as given to search()
|
|
* @return bool if this directory should be traversed (true) or not (false)
|
|
* return value is ignored for files
|
|
*
|
|
* @author Andreas Gohr <gohr@cosmocode.de>
|
|
*/
|
|
function search_universal(&$data,$base,$file,$type,$lvl,$opts){
|
|
$item = array();
|
|
$return = true;
|
|
|
|
// get ID and check if it is a valid one
|
|
$item['id'] = pathID($file,($type == 'd' || !empty($opts['keeptxt'])));
|
|
if($item['id'] != cleanID($item['id'])){
|
|
if(!empty($opts['showmsg'])){
|
|
msg(hsc($item['id']).' is not a valid file name for DokuWiki - skipped',-1);
|
|
}
|
|
return false; // skip non-valid files
|
|
}
|
|
$item['ns'] = getNS($item['id']);
|
|
|
|
if($type == 'd') {
|
|
// decide if to recursion into this directory is wanted
|
|
if(empty($opts['depth'])){
|
|
$return = true; // recurse forever
|
|
}else{
|
|
$depth = substr_count($file,'/');
|
|
if($depth >= $opts['depth']){
|
|
$return = false; // depth reached
|
|
}else{
|
|
$return = true;
|
|
}
|
|
}
|
|
|
|
if ($return) {
|
|
$match = empty($opts['recmatch']) || preg_match('/'.$opts['recmatch'].'/',$file);
|
|
if (!$match) {
|
|
return false; // doesn't match
|
|
}
|
|
}
|
|
}
|
|
|
|
// check ACL
|
|
if(empty($opts['skipacl'])){
|
|
if($type == 'd'){
|
|
$item['perm'] = auth_quickaclcheck($item['id'].':*');
|
|
}else{
|
|
$item['perm'] = auth_quickaclcheck($item['id']); //FIXME check namespace for media files
|
|
}
|
|
}else{
|
|
$item['perm'] = AUTH_DELETE;
|
|
}
|
|
|
|
// are we done here maybe?
|
|
if($type == 'd'){
|
|
if(empty($opts['listdirs'])) return $return;
|
|
//neither list nor recurse forbidden items:
|
|
if(empty($opts['skipacl']) && !empty($opts['sneakyacl']) && $item['perm'] < AUTH_READ) return false;
|
|
if(!empty($opts['dirmatch']) && !preg_match('/'.$opts['dirmatch'].'/',$file)) return $return;
|
|
if(!empty($opts['nsmatch']) && !preg_match('/'.$opts['nsmatch'].'/',$item['ns'])) return $return;
|
|
}else{
|
|
if(empty($opts['listfiles'])) return $return;
|
|
if(empty($opts['skipacl']) && $item['perm'] < AUTH_READ) return $return;
|
|
if(!empty($opts['pagesonly']) && (substr($file,-4) != '.txt')) return $return;
|
|
if(empty($opts['showhidden']) && isHiddenPage($item['id'])) return $return;
|
|
if(!empty($opts['filematch']) && !preg_match('/'.$opts['filematch'].'/',$file)) return $return;
|
|
if(!empty($opts['idmatch']) && !preg_match('/'.$opts['idmatch'].'/',$item['id'])) return $return;
|
|
}
|
|
|
|
// still here? prepare the item
|
|
$item['type'] = $type;
|
|
$item['level'] = $lvl;
|
|
$item['open'] = $return;
|
|
|
|
if(!empty($opts['meta'])){
|
|
$item['file'] = \dokuwiki\Utf8\PhpString::basename($file);
|
|
$item['size'] = filesize($base.'/'.$file);
|
|
$item['mtime'] = filemtime($base.'/'.$file);
|
|
$item['rev'] = $item['mtime'];
|
|
$item['writable'] = is_writable($base.'/'.$file);
|
|
$item['executable'] = is_executable($base.'/'.$file);
|
|
}
|
|
|
|
if($type == 'f'){
|
|
if(!empty($opts['hash'])) $item['hash'] = md5(io_readFile($base.'/'.$file,false));
|
|
if(!empty($opts['firsthead'])) $item['title'] = p_get_first_heading($item['id'],METADATA_DONT_RENDER);
|
|
}
|
|
|
|
// finally add the item
|
|
$data[] = $item;
|
|
return $return;
|
|
}
|
|
|
|
//Setup VIM: ex: et ts=4 :
|