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helper.php
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helper.php
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<?php
/**
* This class is a backend to use the ownCloud database while running DokuWiki
* You can have a look to <ownCloud-Path>/lib/db.php for functions provided.
* Here is a description for developer to using the ownCloud database
* http://doc.owncloud.org/server/5.0/developer_manual/app/appframework/database.html
*
* @license GPL 3 (http://www.gnu.org/licenses/gpl.html)
* @author Martin Schulte <lebowski[at]corvus[dot]uberspace[dot]de>, 2013
*/
// must be run within Dokuwiki
if (!defined('DOKU_INC')) die();
//constants
if (!defined('DOKU_LF')) define('DOKU_LF', "\n");
if (!defined('DOKU_TAB')) define('DOKU_TAB', "\t");
if (!defined('DOKU_PLUGIN')) define('DOKU_PLUGIN', DOKU_INC.'lib/plugins/');
if(!defined('DOKU_CHANGE_TYPE_MOVE')) define('DOKU_CHANGE_TYPE_MOVE','M');
if(!defined('DOKU_CHANGE_TYPE_REPLACE')) define('DOKU_CHANGE_TYPE_REPLACE','R');
class helper_plugin_owncloud extends DokuWiki_Plugin
{
// The last query of type PDOStatementWrapper (see <ownCloud-Path>/lib/db.php)
protected $lastQuery;
protected $storageNr;
protected $lastfileid;
public $wiki = 'wiki';
// id => filename
protected $fileIDCache = array();
// filename => id
protected $filenameCache = array();
/**
* Constructor to connect to db and check if ownCloud is installed
*/
public function helper_plugin_owncloud($db=true) {
if($db){
global $conf;
include_once($this->getConf('pathtoowncloud').'/lib/base.php');
// Check if ownCloud is installed or in maintenance (update) mode
if (!OC_Config::getValue('installed', false)) {
global $conf;
require_once('lang/'.$conf['lang'].'/settings.php');
echo $lang['owncloudNotInstalled'];
exit();
}
// This really should be replaced by public OC methods. Oh well.
$storageId = 'local::'.$conf['mediadir'].'/';
if (strlen($storageId) > 64) {
$storageId = md5($storageId);
}
// Find Storage ID
$this->dbQuery('SELECT numeric_id FROM `*PREFIX*storages` WHERE `id` LIKE ?', array($storageId));
$this->storageNr = $this->lastQuery->fetchOne();
}
}
/**
* Prepares and executes a SQL query
*
* @param $sql String The SQL-Query (for syntax see http://doc.owncloud.org/server/5.0/developer_manual/app/appframework/database.html)
* @param $params array The parameters should be used in the sql-query
*/
public function dbQuery($sql, $params){
$db = \OC_DB::prepare($sql);
$this->lastQuery = $db->execute($params);
}
// Returns the last query (last call of dbQuery)
public function getLastQuery(){
return $this->lastQuery;
}
// Returns the last fileid
public function getLastfileid(){
return $this->lastfileid;
}
/**
* Returns the path for the correspondig fileID (from table OC_filecache)
*
* @param $id integer The fileID
* @param $wikiID bool If true, slashes (/) will be replaced by colons (:)
*/
public function getFilenameForID($id, $wikiID=false){
if(isset($this->fileidCache[$id])){// save db query
$path = $this->fileidCache[$id];
}else{
$this->dbQuery('SELECT `path` FROM `*PREFIX*filecache` WHERE fileid = ? AND storage = ?', array($id, $this->storageNr));
if($this->lastQuery->rowCount() == 0) return NULL;
$path = $this->lastQuery->fetchOne();
}
$this->fileidCache[$id] = $path;
if($wikiID) return $this->pathToWikiID($path);
return $path;
}
/** replace / with / */
public function pathToWikiID($path){
return str_replace('/',':',$path);
}
/** replace : with / */
public function wikiIDToPath($id){
return str_replace(':','/',$id);
}
/** Returns true if the given path is a directory */
public function isMediaDir($path){
global $conf;
return is_dir($conf['mediadir'].'/'.trim($path,'/'));
}
/**
* Returns the fileid for the correspondig path (from table OC_filecache)
*
* @param $file string The path
* @return $id the fileID
*/
public function getIDForFilename($file){
$file = trim($file,'/'); //Remove slashes at the beginning
// save db query
if(isset($this->filenameCache[$file])) return $this->filenameCache[$file];
$this->dbQuery('SELECT `fileid` FROM `*PREFIX*filecache` WHERE path = ? AND storage = ?', array($file, $this->storageNr));
$id = $this->lastQuery->fetchOne();
$this->filenameCache[$file] = $id;
$this->lastfileid = $id;
return $id;
}
/**
* Returns the mimetype for the correspondig id (from table OC_filecache)
*
* @param $file string The path
*/
public function getMimetypeForID($id){
$this->dbQuery('SELECT *PREFIX*mimetypes.mimetype FROM *PREFIX*filecache JOIN *PREFIX*mimetypes ON *PREFIX*filecache.mimetype = *PREFIX*mimetypes.id WHERE fileid = ? AND storage = ?', array($id, $this->storageNr));
return $this->lastQuery->fetchOne();
}
/**
* Returns the content of a folder specified by its id (from oc database)
*
* @param $id string the folderID
* @return @folderAndFiles folderID and filesID in the given dir
*/
public function getFolderContent($id){
$this->dbQuery('SELECT `fileid`, `path`,*PREFIX*mimetypes.mimetype FROM *PREFIX*filecache JOIN *PREFIX*mimetypes ON *PREFIX*filecache.mimetype = *PREFIX*mimetypes.id WHERE parent=? AND storage = ? ORDER BY *PREFIX*filecache.path ASC', array($id, $this->storageNr));
$rows = $this->lastQuery->rowCount();
$files = array();
$folders = array();
for($i = 1; $i <= $rows; $i++){
$row = $this->lastQuery->fetchRow();
if($row['mimetype'] == 'httpd/unix-directory'){
array_push($folders, $row);
}else{
array_push($files, $row);
}
}
return array($folders,$files);
}
/**
* Returns the media used on the page specified by $wikiid (from
* table OC_dokuwiki_media_used). It will be rendered as a orderd list
*
* @param $file string wikiid
* @return $string orderd list of media used on the page
*/
public function getMediaOfThisPage($wikiid){
$this->dbQuery('SELECT `fileid`,`path` FROM `*PREFIX*dokuwiki_media_use` JOIN `*PREFIX*filecache` USING(`fileid`) WHERE `wikipage_hash` = ? ORDER BY `fileid` ASC', array(md5($wikiid)));
$rows = $this->lastQuery->rowCount();
if(empty($rows) || $rows == 0) return false;
$ret = '<p style="float:right;"><a href="#headingusedmedia" id="usemediadetail">'.$this->getLang('showfileinfo').'</a></p>';
$ret .= DOKU_LF.'<ol id="usedmedia">'.DOKU_LF;
$ids = $this->lastQuery;
for($i = 1; $i <= $rows; $i++){
$row = $ids->fetchRow();
$ret .= DOKU_TAB.'<li class="mediaitem" fileid="'.$row['fileid'].'">';
$ret .= $this->internalmedia($row['fileid'],"",(($row['path']!='')?$row['path']:'/'),NULL,16,NULL,NULL,'linkonly');
$ret .= '</li>'.DOKU_LF;
}
$ret .= '</ol>'.DOKU_LF;
return $ret;
}
/**
* Returns formatted informations about the given $file or $id. The
* informations contain the time, the number of versions, the authors
* and the description.
*
* @param $file full filename or id
* @param $isid choose true, if the first parameter is a fileid
* @return $string html with file informations
*/
public function fileInfoToString($file, $isID = false){
global $conf;
if($isID) $file = $this->getFilenameForID($file);
if($this->isMediaDir($file)) return '';
list($authorsString,$desc,$count,$time) = $this->getAuthorsAndDescOfMediafile($file);
if(empty($count)) $count = 0;
return '<span class="filedesc" style=" font-size:90%;">'.
'<p style="margin-bottom:0px;padding-left:16px;"><span><b>'.$this->getLang('historyVersion').':</b> '.strftime($conf['dformat'],intval($time)).' ('.$count.' '.($count == 1?$this->getLang('version'):$this->getLang('versions')).')</span></b>'.
'<p style="margin-bottom:0px;padding-left:16px;"><span><b>'.$this->getLang('filelistAuthor').'</b>: '.$authorsString.'</span></p>'.
(($desc != '' && $desc != $lang['created'])?'<p style="margin-bottom:2px;padding-left:16px;"><b>'.$this->getLang('historyComment').'</b>: '.$desc.'</p>':'').'</span>';
}
/** Returns the authors of the given mediafile as string. If plugin authorlist is enabled,
* authors will be linked as configured in this plugin.
*/
public function getAuthorsAndDescOfMediafile($file){
global $ID;
if($this->getConf('linkAuthor') && !plugin_isdisabled('authorlist')){
$authorlist = $this->loadHelper('authorlist',true);
$authorlist->setOptions($ID,array('displayaslist'=>false));
}
$meta = $this->getMediaMeta($file);
if(!empty($meta)){
$authors = array();
$line =array();
foreach($meta as $onemeta){
$line = explode("\t", $onemeta);
if($line[4] != "" && !in_array($line[4],$authors)) array_push($authors,$line[4]);
}
if($authorlist){
foreach($authors as &$author){
$author=$authorlist->renderOneAuthor($author,$authorlist->getFullname($author));
}
}
return array(implode(", ", $authors),@$line[5],count($meta),$line[0]); // $line[5] is the latest filedescription
}
return '';
}
/** Returns the meta data of the given mediafile */
public function getMediaMeta($file){
global $conf;
if(file_exists($conf['mediametadir'].'/'.$file.'.changes')) return file($conf['mediametadir'].'/'.$file.'.changes');
return array();
}
/**
* Builds a table for the mediameta information. The rest is done by
* jQuery
*
* @param $file file to find the metadata for
* @return $ret htmltable with included javascript
*/
public function mediaMetaStart($file){
global $lang;
$ret = '<div class="historyOC" data-file="'.$file.'">'.DOKU_LF;
$ret .= DOKU_TAB.'<div class="table"><table width="100%" class="inline">'.DOKU_LF;
$ret .= DOKU_TAB.DOKU_TAB.'<tr class="row0">'.DOKU_LF;
$ret .= DOKU_TAB.DOKU_TAB.DOKU_TAB.'<th class="col0" width="20%" >'.($this->getLang('historyVersion')).'</th><th width="20%" class="col1">'.($this->getLang('historyAuthor')).'</th><th width="10%" class="col2">'.($this->getLang('filelistSize')).'</th><th class="col3" width="45%">'.($this->getLang('historyComment')).'</th>'.DOKU_LF;
$ret .= DOKU_TAB.DOKU_TAB.'</tr>'.DOKU_LF;
$ret .= DOKU_TAB.DOKU_TAB.'<tr><td colspan="4" class="load"></td></tr>'.DOKU_LF;
$ret .= DOKU_TAB.'</table></div></div>'.DOKU_LF;
$wikiid = $this->pathToWikiID($file);
$ns = getNS($wikiid);
$mediamanager = '<a class="mmLink" href="'.DOKU_URL.'doku.php?ns='.$ns.'&image='.$this->pathToWikiID($file).'&do=media&tab_details=history">'.$this->getLang('compare').'</a>';
$ret .= '<p>'.$this->getLang('mediamanager_info').' '.$mediamanager.'</p>';
return $ret;
}
/**
* Builds the innards for the table generated by mediaMetaStart()
* is called via jQuery.
*
* @param $file file to find the metadata for
* @return $ret html-table-rows with media meta
*/
public function mediaMetaAsTable($file){
$ret = "";
global $conf;
global $ID;
global $lang;
$meta = $this->getMediaMeta($file);
if(empty($meta)) return '<tr><td colspan="4" align="center">'.($this->getLang('noVersion')).'</td></tr>';
$meta = array_reverse($meta); // Newest first.
$authorlist = false;
if($this->getConf('linkAuthor') && !plugin_isdisabled('authorlist')){
$authorlist = $this->loadHelper('authorlist',true);
$authorlist->setOptions($ID,array('displayaslist'=>false));
}
$oldmedia = $conf['mediaolddir'];
$nr = 1;
$fetch = DOKU_BASE.'lib/exe/fetch.php';
foreach($meta as $onemeta){
$line = explode("\t", $onemeta);
$time = strftime($conf['dformat'],intval($line[0]));
if($nr > 1){ // in attic
list($name, $ext) = $this->filenameAndExtension($file);
$path = $oldmedia.'/'.$name.'.'.$line[0].'.'.$ext;
$link = '<a title="'.$time.'" href="'.$fetch.'?media='.($this->pathToWikiID($file)).'&rev='.$line[0].'" target="_blank">'.$time.'</a>';
}else{
$path = $conf['mediadir'].'/'.$file;
$link = $time.' <small>('.$lang['current'].')<small>';;
}
$size = (file_exists($path)) ? filesize_h(filesize($path)) : '--';
if(empty($line[4])) $author = $line[1]; // IP if no author
else $author = ($authorlist)?$authorlist->renderOneAuthor($line[4],$authorlist->getFullname($line[4])) : $line[4];
//$author .= '<span class="ip">('.$line[1].')</span>';
if($line[2] == DOKU_CHANGE_TYPE_MOVE) $extra = ' ('.$this->getLang('movedfrom').' '.hsc($line[6]).')';
else $extra = '';
$ret .= '<tr class=" row'.$nr.'">';
$ret .= '<td class="col0" > '.$link.' </td><td class="col1">'.$author.'</td><td class="col2">'.$size.'</td><td class="col3">'.$line[5].$extra.'</td>';
$ret .= '</tr>';
$nr++;
}
return $ret;
}
/**
* Returns the filename and extension (Can be replaced by php nativ
* function pathinfo, only for compatibility
*
* @param $file file
* @return @array filename and extension
*/
public function filenameAndExtension($file){
$extPos = strrpos($file, '.');
$ext = substr($file, $extPos + 1);
$name = substr($file, 0, $extPos);
return array($name, $ext);
}
/**
* Returns true, if the given source starts with http, https or ftp
* otherwise false
*
* @param $src string
* @return bool true if http(s)/ftp otherwise false
*/
public function isExternal($src){
if ( preg_match('#^(https?|ftp)#i',$src) ) {
return true;
}
return false;
}
/**
* Tests if an url match the the urls or pattern specified in the
* plugin configuration.
*
* @param $url URL
* @return bool true if allowed
*/
public function isAllowedExternalImage($url){
if($this->getConf('allowExternalImages') == 1) return true; // all external images are allowed
$allowedImagesURL = explode(',',$this->getConf('allowedImagesURL'));
$match = false;
foreach($allowedImagesURL as $allowedURL){
$allowedURL = trim($allowedURL);
if(empty($allowedURL)) continue;
if(strpos($url, $allowedURL) === 0 ){
$match = true;
break;
}
}
if($match) return true; // save some time, if we have a match until here
$allowedImagesURLregexp = explode(',',$this->getConf('allowedImagesURLregexp'));
foreach($allowedImagesURLregexp as $pattern){
$pattern = trim($pattern);
if(empty($pattern)) continue;
if(preg_match('#'.str_replace('#','\\#',$pattern).'#i',$url)){
$match = true;
break;
}
}
return $match;
}
/**
* Renders an internal media link. This is nearly the same function as internalmedia(...)
* in inc/parser/xhtml.php extended to getting the filename from fileid.
*
* @author Harry Fuecks <hfuecks@gmail.com>
* @author Andreas Gohr <andi@splitbrain.org>
* @author Martin Schulte <lebowski[at]corvus[dot]uberspace[dot]de>
*/
public function internalmedia($fileid, $src, $title=NULL, $align=NULL, $width=NULL,$height=NULL, $cache=NULL, $linking=NULL) {
global $ID;
$filelist = false;
@list($src,$hash) = explode('#',$src,2);
if($fileid != '' && $fileid > 0){
$res = $this -> getFilenameForID($fileid, true);
}
if(isset($res)){
$src = $res;
if($src == ''){ // we are at the top
$src = '/';
if(empty($title)) $title = '/';
}
$exists = true;
}else{
$oldsrc = $src;
resolve_mediaid(getNS($ID),$src, $exists);
if($exists){
$fileid = $this->fileIDForWikiID($src);
}else{// Maybe directory
$fileid = $this->fileIDForWikiID($oldsrc);
if($fileid != '' && $fileid > 0){
$src = $oldsrc;
$exists = true;
}
}
}
$noLink = false;
$render = ($linking == 'linkonly') ? false : true;
// + fileid first parameter
$link = $this->_getMediaLinkConf($fileid,$src, $title, $align, $width, $height, $cache, $render);
list($ext,$mime,$dl) = mimetype($src,false);
if(substr($mime,0,5) == 'image' && $render){
// + fileid & $this->
$link['url'] = $this->ml($src,array('id'=>$ID,'cache'=>$cache,'fileid'=>$fileid),($linking=='direct'));
}elseif($mime == 'application/x-shockwave-flash' && $render){
// don't link flash movies
$noLink = true;
}else{
// add file icons
$class = preg_replace('/[^_\-a-z0-9]+/i','_',$ext);
// + mimetype folder
if(empty($ext)){
if($this->getMimetypeForID($fileid) == 'httpd/unix-directory') {
$class = 'folder';
if($linking =='direct') $filelist = true;
}
}
$link['class'] .= ' mediafile mf_'.$class;
// + fileid & $this->
$link['url'] = $this->ml($src,array('id'=>$ID,'cache'=>$cache,'fileid'=>$fileid),($linking=='direct'));
// + no size if directory
if ($exists && $class != 'folder') $link['title'] .= ' (' . filesize_h(filesize(mediaFN($src))).')';
}
if($hash) $link['url'] .= '#'.$hash;
//markup non existing files
if (!$exists) {
$link['class'] .= ' wikilink2';
}
//output formatted
// + return instead of .=
if ($linking == 'nolink' || $noLink){
return $link['name'];
}else{
if(!$filelist){
return $this->_formatLink($link);
}else{
$link['name'] = $this->wikiIDToPath($src);
return $this->filelist($fileid);
}
}
}
/**
* Renders an external media link. This is the same function as externalmedia(...)
* in inc/parser/xhtml.php, here it returns the link and don't add it to the render doc
*
* @author Harry Fuecks <hfuecks@gmail.com>
* @author Andreas Gohr <andi@splitbrain.org>
*/
function externalmedia ($src, $title=NULL, $align=NULL, $width=NULL,
$height=NULL, $cache=NULL, $linking=NULL) {
list($src,$hash) = explode('#',$src,2);
$noLink = false;
$render = ($linking == 'linkonly') ? false : true;
// + -1 as fileid
$link = $this->_getMediaLinkConf(-1,$src, $title, $align, $width, $height, $cache, $render);
// use the originally ml function
$link['url'] = ml($src,array('cache'=>$cache));
list($ext,$mime,$dl) = mimetype($src,false);
if(substr($mime,0,5) == 'image' && $render){
// link only jpeg images
// if ($ext != 'jpg' && $ext != 'jpeg') $noLink = true;
}elseif($mime == 'application/x-shockwave-flash' && $render){
// don't link flash movies
$noLink = true;
}else{
// add file icons
$class = preg_replace('/[^_\-a-z0-9]+/i','_',$ext);
$link['class'] .= ' mediafile mf_'.$class;
}
if($hash) $link['url'] .= '#'.$hash;
//output formatted
if ($linking == 'nolink' || $noLink) return $link['name'];
else return $this->_formatLink($link);
}
/** Renders a list with all files of the given folder. Using jQuery (see script.js).
*/
public function filelist($folderid, $link = null){
if(!isset($link)) $link = '<div class="filelistheader">'.($this->getLang('filelistHeader')).' '.$this->internalmedia($folderid,NULL,NULL, NULL, NULL,NULL, NULL, 'details').'</div>';
$ret = '<div class="filelistOC fileid'.$folderid.'">'.$link.DOKU_LF;
$ret .= DOKU_TAB.'<div class="table"><table width="100%" class="inline">'.DOKU_LF;
$ret .= DOKU_TAB.DOKU_TAB.'<tr class="row0">'.DOKU_LF;
$ret .= DOKU_TAB.DOKU_TAB.DOKU_TAB.'<th class="col0">'.($this->getLang('filelistName')).'</th><th class="col1">'.($this->getLang('filelistAuthor')).'</th><th class="col2">'.($this->getLang('filelistDate')).'</th><th class="col3">'.($this->getLang('filelistSize')).'</th><th class="col4"></th>'.DOKU_LF;
$ret .= DOKU_TAB.DOKU_TAB.'</tr>'.DOKU_LF;
$ret .= DOKU_TAB.DOKU_TAB.'<tr><td colspan="5" class="load"></td></tr>'.DOKU_LF;
$ret .= DOKU_TAB.'</table></div></div>'.DOKU_LF;
return $ret;
}
/**
* This is nearly the same function as ml(...) in inc/common.php
* extended to getting the filename from fileid.
*
* Build a link to a media file
*
* Will return a link to the detail page if $direct is false
*
* The $more parameter should always be given as array, the function then
* will strip default parameters to produce even cleaner URLs
*
* This is nearly the code from inc/common.php. Replaced lib/exe/fetch.php
* with lib/plugins/owncloud/exe/fetch.php.
*
* @author Andreas Gohr <andi@splitbrain.org>
* @author Martin Schulte <lebowski[at]corvus[dot]uberspace[dot]de>
*
* @param string $id the media file id or URL
* @param mixed $more string or array with additional parameters
* @param bool $direct link to detail page if false
* @param string $sep URL parameter separator
* @param bool $abs Create an absolute URL
* @return string
*/
function ml($id = '', $more = '', $direct = true, $sep = '&', $abs = false) {
global $conf;
if(is_array($more)) {
// add token for resized images
if(isset($more['w']) && $more['w']
||
isset($more['h']) && $more['h']){
$more['tok'] = media_get_token($id,$more['w'],$more['h']);
}
// strip defaults for shorter URLs
if(isset($more['cache']) && $more['cache'] == 'cache') unset($more['cache']);
if(@!$more['w']) unset($more['w']);
if(@!$more['h']) unset($more['h']);
//+ fileid
if($more['fileid'] <1 || $more['fileid'] == '') unset($more['fileid']);
if(isset($more['id']) && $direct) unset($more['id']);
$more = buildURLparams($more, $sep);
} else {
$more = str_replace('cache=cache', '', $more); //skip default
$more = str_replace(',,', ',', $more);
$more = str_replace(',', $sep, $more);
}
if($abs) {
$xlink = DOKU_URL;
} else {
$xlink = DOKU_BASE;
}
// external URLs are always direct without rewriting
if(preg_match('#^(https?|ftp)://#i', $id)) {
// + changed lib/exe to lib/plugins/owncloud/
$xlink .= 'lib/plugins/owncloud/exe/fetch.php';
// add hash:
$xlink .= '?hash='.substr(md5(auth_cookiesalt().$id), 0, 6);
if($more) {
$xlink .= $sep.$more;
$xlink .= $sep.'media='.rawurlencode($id);
} else {
$xlink .= $sep.'media='.rawurlencode($id);
}
return $xlink;
}
$id = idfilter($id);
// decide on scriptname
if($direct) {
if($conf['userewrite'] == 1) {
$script = '_media';
} else {
// + changed lib/exe to lib/plugins/owncloud/
$script = 'lib/plugins/owncloud/exe/fetch.php';
}
} else {
if($conf['userewrite'] == 1) {
$script = '_detail';
} else {
// + changed lib/exe to lib/plugins/owncloud/
$script = 'lib/plugins/owncloud/exe/detail.php';
}
}
// build URL based on rewrite mode
if($conf['userewrite']) {
$xlink .= $script.'/'.$id;
if($more) $xlink .= '?'.$more;
} else {
if($more) {
$xlink .= $script.'?'.$more;
$xlink .= $sep.'media='.$id;
} else {
$xlink .= $script.'?media='.$id;
}
}
return $xlink;
}
/**
* _getMediaLinkConf is a helperfunction to internalmedia() and externalmedia()
* which returns a basic link to a media (from inc/parser/xhtml.php).
*
* + fileid as first parameter
*
* @author Pierre Spring <pierre.spring@liip.ch>
* @param string $src
* @param string $title
* @param string $align
* @param string $width
* @param string $height
* @param string $cache
* @param string $render
* @access protected
* @return array
*/
function _getMediaLinkConf($fileid,$src, $title, $align, $width, $height, $cache, $render)
{
global $conf;
$link = array();
$link['class'] = 'media';
$link['style'] = '';
$link['pre'] = '';
$link['suf'] = '';
$link['more'] = '';
$link['target'] = $conf['target']['media'];
$link['title'] = $this->_xmlEntities($src);
// + fileid first parameter
$link['name'] = $this->_media($fileid, $src, $title, $align, $width, $height, $cache, $render);
return $link;
}
/**
* Renders internal and external media (from inc/parser/xhtml.php)
*
* add fileid as first parameter
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function _media($fileid, $src, $title=NULL, $align=NULL, $width=NULL,
$height=NULL, $cache=NULL, $render = true) {
$ret = '';
list($ext,$mime,$dl) = mimetype($src);
if(substr($mime,0,5) == 'image'){
// first get the $title
if (!is_null($title)) {
$title = $this->_xmlEntities($title);
}elseif($ext == 'jpg' || $ext == 'jpeg'){
//try to use the caption from IPTC/EXIF
require_once(DOKU_INC.'inc/JpegMeta.php');
$jpeg =new JpegMeta(mediaFN($src));
if($jpeg !== false) $cap = $jpeg->getTitle();
if($cap){
$title = $this->_xmlEntities($cap);
}
}
if (!$render) {
// if the picture is not supposed to be rendered
// return the title of the picture
if (!$title) {
// just show the sourcename
$title = $this->_xmlEntities(utf8_basename(noNS($src)));
}
return $title;
}
//add image tag
// + $this
$ret .= '<img src="'.($this->ml($src,array('fileid'=>$fileid,'w'=>$width,'h'=>$height,'cache'=>$cache))).'"';
$ret .= ' class="media'.$align.'"';
if ($title) {
$ret .= ' title="' . $title . '"';
$ret .= ' alt="' . $title .'"';
}else{
$ret .= ' alt=""';
}
if ( !is_null($width) )
$ret .= ' width="'.$this->_xmlEntities($width).'"';
if ( !is_null($height) )
$ret .= ' height="'.$this->_xmlEntities($height).'"';
$ret .= ' />';
}elseif($mime == 'application/x-shockwave-flash'){
if (!$render) {
// if the flash is not supposed to be rendered
// return the title of the flash
if (!$title) {
// just show the sourcename
$title = utf8_basename(noNS($src));
}
return $this->_xmlEntities($title);
}
$att = array();
$att['class'] = "media$align";
if($align == 'right') $att['align'] = 'right';
if($align == 'left') $att['align'] = 'left';
$ret .= html_flashobject(ml($src,array('cache'=>$cache),true,'&'),$width,$height,
array('quality' => 'high'),
null,
$att,
$this->_xmlEntities($title));
}elseif($title){
// well at least we have a title to display
$ret .= $this->_xmlEntities($title);
}else{
// just show the sourcename
$ret .= $this->_xmlEntities(utf8_basename(noNS($src)));
}
return $ret;
}
/**
* (from inc/parser/xhtml.php)
*/
function _xmlEntities($string) {
return htmlspecialchars($string,ENT_QUOTES,'UTF-8');
}
/**
* Build a link (from inc/xhtml)
*
* Assembles all parts defined in $link returns HTML for the link
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function _formatLink($link){
//make sure the url is XHTML compliant (skip mailto)
if(substr($link['url'],0,7) != 'mailto:'){
$link['url'] = str_replace('&','&',$link['url']);
$link['url'] = str_replace('&amp;','&',$link['url']);
}
//remove double encodings in titles
$link['title'] = str_replace('&amp;','&',$link['title']);
// be sure there are no bad chars in url or title
// (we can't do this for name because it can contain an img tag)
$link['url'] = strtr($link['url'],array('>'=>'%3E','<'=>'%3C','"'=>'%22'));
$link['title'] = strtr($link['title'],array('>'=>'>','<'=>'<','"'=>'"'));
$ret = '';
$ret .= @$link['pre'];
$ret .= '<a href="'.$link['url'].'"';
if(!empty($link['class'])) $ret .= ' class="'.$link['class'].'"';
if(!empty($link['target'])) $ret .= ' target="'.$link['target'].'"';
if(!empty($link['title'])) $ret .= ' title="'.$link['title'].'"';
if(!empty($link['style'])) $ret .= ' style="'.$link['style'].'"';
if(!empty($link['rel'])) $ret .= ' rel="'.$link['rel'].'"';
if(!empty($link['more'])) $ret .= ' '.$link['more'];
$ret .= '>';
$ret .= @$link['name'];
$ret .= '</a>';
$ret .= @$link['suf'];
return $ret;
}
/* Looking for a fileid when a wikiid is given
*
* @param String wikiid of the mediafile
* @return fileid for a wikiid
*/
public function fileIDForWikiID($src){
$path = str_replace(':','/',$src);
return $this->getIDForFilename($path);
}
/* Returns a list with all pages using the given media
*
* @param String fileid of the mediafile
* @return String List with all pages using the specified media.
*/
public function mediaInUse($fileID){
$this->dbQuery('SELECT `firstheading`,`wikipage` FROM `*PREFIX*dokuwiki_media_use` WHERE fileid = ?', array($fileID));
$rows = $this->lastQuery->rowCount();
$ret = '<h3 class="sectionedit3">'.$this->getLang('mediaUsedIn').'</h3>';
if(empty($rows) || $rows == 0) return '<h3 class="sectionedit3">'.$this->getLang('noUsage').'</h3>';
$ret .= '<ul>'.DOKU_TAB;
for($i = 1; $i <= $rows; $i++){
$row = $this->lastQuery->fetchRow();
$title = ($row['firstheading']!='')?$row['firstheading'].' ('.$row['wikipage'].')':$row['wikipage'];
$ret .= DOKU_TAB.'<li><span class="curid"><a href="'.wl($row['wikipage']).'" class="wikilink1" title="'.$title.'">'.$title.'</a></span></li>'.DOKU_LF;
}
$ret .= '</ul>'.DOKU_LF;
return $ret;
}
}