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Copy pathmedia.php
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1122 lines (988 loc) · 34.6 KB
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<?php
/**
* All output and handler function needed for the media management popup
*
* @license GPL 2 (http://www.gnu.org/licenses/gpl.html)
* @author Andreas Gohr <andi@splitbrain.org>
*/
if(!defined('DOKU_INC')) die('meh.');
if(!defined('NL')) define('NL',"\n");
/**
* Lists pages which currently use a media file selected for deletion
*
* References uses the same visual as search results and share
* their CSS tags except pagenames won't be links.
*
* @author Matthias Grimm <matthiasgrimm@users.sourceforge.net>
*/
function media_filesinuse($data,$id){
global $lang;
echo '<h1>'.$lang['reference'].' <code>'.hsc(noNS($id)).'</code></h1>';
echo '<p>'.hsc($lang['ref_inuse']).'</p>';
$hidden=0; //count of hits without read permission
foreach($data as $row){
if(auth_quickaclcheck($row) >= AUTH_READ && isVisiblePage($row)){
echo '<div class="search_result">';
echo '<span class="mediaref_ref">'.hsc($row).'</span>';
echo '</div>';
}else
$hidden++;
}
if ($hidden){
print '<div class="mediaref_hidden">'.$lang['ref_hidden'].'</div>';
}
}
/**
* Handles the saving of image meta data
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function media_metasave($id,$auth,$data){
if($auth < AUTH_UPLOAD) return false;
if(!checkSecurityToken()) return false;
global $lang;
global $conf;
$src = mediaFN($id);
$meta = new JpegMeta($src);
$meta->_parseAll();
foreach($data as $key => $val){
$val=trim($val);
if(empty($val)){
$meta->deleteField($key);
}else{
$meta->setField($key,$val);
}
}
if($meta->save()){
if($conf['fperm']) chmod($src, $conf['fperm']);
msg($lang['metasaveok'],1);
return $id;
}else{
msg($lang['metasaveerr'],-1);
return false;
}
}
/**
* Display the form to edit image meta data
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function media_metaform($id,$auth){
if($auth < AUTH_UPLOAD) return false;
global $lang, $config_cascade;
// load the field descriptions
static $fields = null;
if(is_null($fields)){
foreach (array('default','local') as $config_group) {
if (empty($config_cascade['mediameta'][$config_group])) continue;
foreach ($config_cascade['mediameta'][$config_group] as $config_file) {
if(@file_exists($config_file)){
include($config_file);
}
}
}
}
$src = mediaFN($id);
// output
echo '<h1>'.hsc(noNS($id)).'</h1>'.NL;
echo '<form action="'.DOKU_BASE.'lib/exe/mediamanager.php" accept-charset="utf-8" method="post" class="meta">'.NL;
formSecurityToken();
foreach($fields as $key => $field){
// get current value
$tags = array($field[0]);
if(is_array($field[3])) $tags = array_merge($tags,$field[3]);
$value = tpl_img_getTag($tags,'',$src);
$value = cleanText($value);
// prepare attributes
$p = array();
$p['class'] = 'edit';
$p['id'] = 'meta__'.$key;
$p['name'] = 'meta['.$field[0].']';
// put label
echo '<div class="metafield">';
echo '<label for="meta__'.$key.'">';
echo ($lang[$field[1]]) ? $lang[$field[1]] : $field[1];
echo ':</label>';
// put input field
if($field[2] == 'text'){
$p['value'] = $value;
$p['type'] = 'text';
$att = buildAttributes($p);
echo "<input $att/>".NL;
}else{
$att = buildAttributes($p);
echo "<textarea $att rows=\"6\" cols=\"50\">".formText($value).'</textarea>'.NL;
}
echo '</div>'.NL;
}
echo '<div class="buttons">'.NL;
echo '<input type="hidden" name="img" value="'.hsc($id).'" />'.NL;
echo '<input name="do[save]" type="submit" value="'.$lang['btn_save'].
'" title="'.$lang['btn_save'].' [S]" accesskey="s" class="button" />'.NL;
echo '<input name="do[cancel]" type="submit" value="'.$lang['btn_cancel'].
'" title="'.$lang['btn_cancel'].' [C]" accesskey="c" class="button" />'.NL;
echo '</div>'.NL;
echo '</form>'.NL;
}
/**
* Convenience function to check if a media file is still in use
*
* @author Michael Klier <chi@chimeric.de>
*/
function media_inuse($id) {
global $conf;
$mediareferences = array();
if($conf['refcheck']){
$mediareferences = ft_mediause($id,$conf['refshow']);
if(!count($mediareferences)) {
return false;
} else {
return $mediareferences;
}
} else {
return false;
}
}
define('DOKU_MEDIA_DELETED', 1);
define('DOKU_MEDIA_NOT_AUTH', 2);
define('DOKU_MEDIA_INUSE', 4);
define('DOKU_MEDIA_EMPTY_NS', 8);
/**
* Handles media file deletions
*
* If configured, checks for media references before deletion
*
* @author Andreas Gohr <andi@splitbrain.org>
* @return int One of: 0,
DOKU_MEDIA_DELETED,
DOKU_MEDIA_DELETED | DOKU_MEDIA_EMPTY_NS,
DOKU_MEDIA_NOT_AUTH,
DOKU_MEDIA_INUSE
*/
function media_delete($id,$auth){
if($auth < AUTH_DELETE) return DOKU_MEDIA_NOT_AUTH;
if(media_inuse($id)) return DOKU_MEDIA_INUSE;
$file = mediaFN($id);
// trigger an event - MEDIA_DELETE_FILE
$data['id'] = $id;
$data['name'] = basename($file);
$data['path'] = $file;
$data['size'] = (@file_exists($file)) ? filesize($file) : 0;
$data['unl'] = false;
$data['del'] = false;
$evt = new Doku_Event('MEDIA_DELETE_FILE',$data);
if ($evt->advise_before()) {
$data['unl'] = @unlink($file);
if($data['unl']){
addMediaLogEntry(time(), $id, DOKU_CHANGE_TYPE_DELETE);
$data['del'] = io_sweepNS($id,'mediadir');
}
}
$evt->advise_after();
unset($evt);
if($data['unl'] && $data['del']){
return DOKU_MEDIA_DELETED | DOKU_MEDIA_EMPTY_NS;
}
return $data['unl'] ? DOKU_MEDIA_DELETED : 0;
}
/**
* Handles media file uploads
*
* @author Andreas Gohr <andi@splitbrain.org>
* @author Michael Klier <chi@chimeric.de>
* @return mixed false on error, id of the new file on success
*/
function media_upload($ns,$auth){
if(!checkSecurityToken()) return false;
global $lang;
// get file and id
$id = $_POST['id'];
$file = $_FILES['upload'];
if(empty($id)) $id = $file['name'];
// check for errors (messages are done in lib/exe/mediamanager.php)
if($file['error']) return false;
// check extensions
list($fext,$fmime,$dl) = mimetype($file['name']);
list($iext,$imime,$dl) = mimetype($id);
if($fext && !$iext){
// no extension specified in id - read original one
$id .= '.'.$fext;
$imime = $fmime;
}elseif($fext && $fext != $iext){
// extension was changed, print warning
msg(sprintf($lang['mediaextchange'],$fext,$iext));
}
$res = media_save(array('name' => $file['tmp_name'],
'mime' => $imime,
'ext' => $iext), $ns.':'.$id,
$_REQUEST['ow'], $auth, 'move_uploaded_file');
if (is_array($res)) {
msg($res[0], $res[1]);
return false;
}
return $res;
}
/**
* This generates an action event and delegates to _media_upload_action().
* Action plugins are allowed to pre/postprocess the uploaded file.
* (The triggered event is preventable.)
*
* Event data:
* $data[0] fn_tmp: the temporary file name (read from $_FILES)
* $data[1] fn: the file name of the uploaded file
* $data[2] id: the future directory id of the uploaded file
* $data[3] imime: the mimetype of the uploaded file
* $data[4] overwrite: if an existing file is going to be overwritten
*
* @triggers MEDIA_UPLOAD_FINISH
*/
function media_save($file, $id, $ow, $auth, $move) {
if($auth < AUTH_UPLOAD) {
return array("You don't have permissions to upload files.", -1);
}
if (!isset($file['mime']) || !isset($file['ext'])) {
list($ext, $mime) = mimetype($id);
if (!isset($file['mime'])) {
$file['mime'] = $mime;
}
if (!isset($file['ext'])) {
$file['ext'] = $ext;
}
}
global $lang;
// get filename
$id = cleanID($id,false,true);
$fn = mediaFN($id);
// get filetype regexp
$types = array_keys(getMimeTypes());
$types = array_map(create_function('$q','return preg_quote($q,"/");'),$types);
$regex = join('|',$types);
// because a temp file was created already
if(!preg_match('/\.('.$regex.')$/i',$fn)) {
return array($lang['uploadwrong'],-1);
}
//check for overwrite
$overwrite = @file_exists($fn);
if($overwrite && (!$ow || $auth < AUTH_DELETE)) {
return array($lang['uploadexist'], 0);
}
// check for valid content
$ok = media_contentcheck($file['name'], $file['mime']);
if($ok == -1){
return array(sprintf($lang['uploadbadcontent'],'.' . $file['ext']),-1);
}elseif($ok == -2){
return array($lang['uploadspam'],-1);
}elseif($ok == -3){
return array($lang['uploadxss'],-1);
}
// prepare event data
$data[0] = $file['name'];
$data[1] = $fn;
$data[2] = $id;
$data[3] = $file['mime'];
$data[4] = $overwrite;
$data[5] = $move;
// trigger event
return trigger_event('MEDIA_UPLOAD_FINISH', $data, '_media_upload_action', true);
}
/**
* Callback adapter for media_upload_finish()
* @author Michael Klier <chi@chimeric.de>
*/
function _media_upload_action($data) {
// fixme do further sanity tests of given data?
if(is_array($data) && count($data)===6) {
return media_upload_finish($data[0], $data[1], $data[2], $data[3], $data[4], $data[5]);
} else {
return false; //callback error
}
}
/**
* Saves an uploaded media file
*
* @author Andreas Gohr <andi@splitbrain.org>
* @author Michael Klier <chi@chimeric.de>
*/
function media_upload_finish($fn_tmp, $fn, $id, $imime, $overwrite, $move = 'move_uploaded_file') {
global $conf;
global $lang;
// prepare directory
io_createNamespace($id, 'media');
if($move($fn_tmp, $fn)) {
// Set the correct permission here.
// Always chmod media because they may be saved with different permissions than expected from the php umask.
// (Should normally chmod to $conf['fperm'] only if $conf['fperm'] is set.)
chmod($fn, $conf['fmode']);
msg($lang['uploadsucc'],1);
media_notify($id,$fn,$imime);
// add a log entry to the media changelog
if ($overwrite) {
addMediaLogEntry(time(), $id, DOKU_CHANGE_TYPE_EDIT);
} else {
addMediaLogEntry(time(), $id, DOKU_CHANGE_TYPE_CREATE);
}
return $id;
}else{
return array($lang['uploadfail'],-1);
}
}
/**
* This function checks if the uploaded content is really what the
* mimetype says it is. We also do spam checking for text types here.
*
* We need to do this stuff because we can not rely on the browser
* to do this check correctly. Yes, IE is broken as usual.
*
* @author Andreas Gohr <andi@splitbrain.org>
* @link http://www.splitbrain.org/blog/2007-02/12-internet_explorer_facilitates_cross_site_scripting
* @fixme check all 26 magic IE filetypes here?
*/
function media_contentcheck($file,$mime){
global $conf;
if($conf['iexssprotect']){
$fh = @fopen($file, 'rb');
if($fh){
$bytes = fread($fh, 256);
fclose($fh);
if(preg_match('/<(script|a|img|html|body|iframe)[\s>]/i',$bytes)){
return -3;
}
}
}
if(substr($mime,0,6) == 'image/'){
$info = @getimagesize($file);
if($mime == 'image/gif' && $info[2] != 1){
return -1;
}elseif($mime == 'image/jpeg' && $info[2] != 2){
return -1;
}elseif($mime == 'image/png' && $info[2] != 3){
return -1;
}
# fixme maybe check other images types as well
}elseif(substr($mime,0,5) == 'text/'){
global $TEXT;
$TEXT = io_readFile($file);
if(checkwordblock()){
return -2;
}
}
return 0;
}
/**
* Send a notify mail on uploads
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function media_notify($id,$file,$mime){
global $lang;
global $conf;
global $INFO;
if(empty($conf['notify'])) return; //notify enabled?
$ip = clientIP();
$text = rawLocale('uploadmail');
$text = str_replace('@DATE@',dformat(),$text);
$text = str_replace('@BROWSER@',$_SERVER['HTTP_USER_AGENT'],$text);
$text = str_replace('@IPADDRESS@',$ip,$text);
$text = str_replace('@HOSTNAME@',gethostsbyaddrs($ip),$text);
$text = str_replace('@DOKUWIKIURL@',DOKU_URL,$text);
$text = str_replace('@USER@',$_SERVER['REMOTE_USER'],$text);
$text = str_replace('@MIME@',$mime,$text);
$text = str_replace('@MEDIA@',ml($id,'',true,'&',true),$text);
$text = str_replace('@SIZE@',filesize_h(filesize($file)),$text);
$subject = '['.$conf['title'].'] '.$lang['mail_upload'].' '.$id;
mail_send($conf['notify'],$subject,$text,$conf['mailfrom']);
}
/**
* List all files in a given Media namespace
*/
function media_filelist($ns,$auth=null,$jump=''){
global $conf;
global $lang;
$ns = cleanID($ns);
// check auth our self if not given (needed for ajax calls)
if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*");
echo '<h1 id="media__ns">:'.hsc($ns).'</h1>'.NL;
if($auth < AUTH_READ){
// FIXME: print permission warning here instead?
echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL;
}else{
media_uploadform($ns, $auth);
$dir = utf8_encodeFN(str_replace(':','/',$ns));
$data = array();
search($data,$conf['mediadir'],'search_media',
array('showmsg'=>true,'depth'=>1),$dir);
if(!count($data)){
echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL;
}else foreach($data as $item){
media_printfile($item,$auth,$jump);
}
}
media_searchform($ns);
}
/**
* List all files found by the search request
*
* @author Tobias Sarnowski <sarnowski@cosmocode.de>
* @author Andreas Gohr <gohr@cosmocode.de>
* @triggers MEDIA_SEARCH
*/
function media_searchlist($query,$ns,$auth=null){
global $conf;
global $lang;
$ns = cleanID($ns);
if ($query) {
$evdata = array(
'ns' => $ns,
'data' => array(),
'query' => $query
);
$evt = new Doku_Event('MEDIA_SEARCH', $evdata);
if ($evt->advise_before()) {
$dir = utf8_encodeFN(str_replace(':','/',$evdata['ns']));
$pattern = '/'.preg_quote($evdata['query'],'/').'/i';
search($evdata['data'],
$conf['mediadir'],
'search_media',
array('showmsg'=>false,'pattern'=>$pattern),
$dir);
}
$evt->advise_after();
unset($evt);
10BC8
}
echo '<h1 id="media__ns">'.sprintf($lang['searchmedia_in'],hsc($ns).':*').'</h1>'.NL;
media_searchform($ns,$query);
if(!count($evdata['data'])){
echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL;
}else foreach($evdata['data'] as $item){
media_printfile($item,$item['perm'],'',true);
}
}
/**
* Print action links for a file depending on filetype
* and available permissions
*/
function media_fileactions($item,$auth){
global $lang;
// view button
$link = ml($item['id'],'',true);
echo ' <a href="'.$link.'" target="_blank"><img src="'.DOKU_BASE.'lib/images/magnifier.png" '.
'alt="'.$lang['mediaview'].'" title="'.$lang['mediaview'].'" class="btn" /></a>';
// no further actions if not writable
if(!$item['writable']) return;
// delete button
if($auth >= AUTH_DELETE){
echo ' <a href="'.DOKU_BASE.'lib/exe/mediamanager.php?delete='.rawurlencode($item['id']).
'&sectok='.getSecurityToken().'" class="btn_media_delete" title="'.$item['id'].'">'.
'<img src="'.DOKU_BASE.'lib/images/trash.png" alt="'.$lang['btn_delete'].'" '.
'title="'.$lang['btn_delete'].'" class="btn" /></a>';
}
// edit button
if($auth >= AUTH_UPLOAD && $item['isimg'] && $item['meta']->getField('File.Mime') == 'image/jpeg'){
echo ' <a href="'.DOKU_BASE.'lib/exe/mediamanager.php?edit='.rawurlencode($item['id']).'">'.
'<img src="'.DOKU_BASE.'lib/images/pencil.png" alt="'.$lang['metaedit'].'" '.
'title="'.$lang['metaedit'].'" class="btn" /></a>';
}
}
/**
* Formats and prints one file in the list
*/
function media_printfile($item,$auth,$jump,$display_namespace=false){
global $lang;
global $conf;
// Prepare zebra coloring
// I always wanted to use this variable name :-D
static $twibble = 1;
$twibble *= -1;
$zebra = ($twibble == -1) ? 'odd' : 'even';
// Automatically jump to recent action
if($jump == $item['id']) {
$jump = ' id="scroll__here" ';
}else{
$jump = '';
}
// Prepare fileicons
list($ext,$mime,$dl) = mimetype($item['file'],false);
$class = preg_replace('/[^_\-a-z0-9]+/i','_',$ext);
$class = 'select mediafile mf_'.$class;
// Prepare filename
$file = utf8_decodeFN($item['file']);
// Prepare info
$info = '';
if($item['isimg']){
$info .= (int) $item['meta']->getField('File.Width');
$info .= '×';
$info .= (int) $item['meta']->getField('File.Height');
$info .= ' ';
}
$info .= '<i>'.dformat($item['mtime']).'</i>';
$info .= ' ';
$info .= filesize_h($item['size']);
// output
echo '<div class="'.$zebra.'"'.$jump.'>'.NL;
if (!$display_namespace) {
echo '<a name="h_:'.$item['id'].'" class="'.$class.'">'.hsc($file).'</a> ';
} else {
echo '<a name="h_:'.$item['id'].'" class="'.$class.'">'.hsc($item['id']).'</a><br/>';
}
echo '<span class="info">('.$info.')</span>'.NL;
media_fileactions($item,$auth);
echo '<div class="example" id="ex_'.str_replace(':','_',$item['id']).'">';
echo $lang['mediausage'].' <code>{{:'.$item['id'].'}}</code>';
echo '</div>';
if($item['isimg']) media_printimgdetail($item);
echo '<div class="clearer"></div>'.NL;
echo '</div>'.NL;
}
/**
* Prints a thumbnail and metainfos
*/
function media_printimgdetail($item){
// prepare thumbnail
$w = (int) $item['meta']->getField('File.Width');
$h = (int) $item['meta']->getField('File.Height');
if($w>120 || $h>120){
$ratio = $item['meta']->getResizeRatio(120);
$w = floor($w * $ratio);
$h = floor($h * $ratio);
}
$src = ml($item['id'],array('w'=>$w,'h'=>$h));
$p = array();
$p['width'] = $w;
$p['height'] = $h;
$p['alt'] = $item['id'];
$p['class'] = 'thumb';
$att = buildAttributes($p);
// output
echo '<div class="detail">';
echo '<div class="thumb">';
echo '<a name="d_:'.$item['id'].'" class="select">';
echo '<img src="'.$src.'" '.$att.' />';
echo '</a>';
echo '</div>';
// read EXIF/IPTC data
$t = $item['meta']->getField(array('IPTC.Headline','xmp.dc:title'));
$d = $item['meta']->getField(array('IPTC.Caption','EXIF.UserComment',
'EXIF.TIFFImageDescription',
'EXIF.TIFFUserComment'));
if(utf8_strlen($d) > 250) $d = utf8_substr($d,0,250).'...';
$k = $item['meta']->getField(array('IPTC.Keywords','IPTC.Category','xmp.dc:subject'));
// print EXIF/IPTC data
if($t || $d || $k ){
echo '<p>';
if($t) echo '<strong>'.htmlspecialchars($t).'</strong><br />';
if($d) echo htmlspecialchars($d).'<br />';
if($t) echo '<em>'.htmlspecialchars($k).'</em>';
echo '</p>';
}
echo '</div>';
}
/**
* Print the media upload form if permissions are correct
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function media_uploadform($ns, $auth){
global $lang;
if($auth < AUTH_UPLOAD) return; //fixme print info on missing permissions?
// The default HTML upload form
$form = new Doku_Form(array('id' => 'dw__upload',
'action' => DOKU_BASE.'lib/exe/mediamanager.php',
'enctype' => 'multipart/form-data'));
$form->addElement('<div class="upload">' . $lang['mediaupload'] . '</div>');
$form->addElement(formSecurityToken());
$form->addHidden('ns', hsc($ns));
$form->addElement(form_makeOpenTag('p'));
$form->addElement(form_makeFileField('upload', $lang['txt_upload'].':', 'upload__file'));
$form->addElement(form_makeCloseTag('p'));
$form->addElement(form_makeOpenTag('p'));
$form->addElement(form_makeTextField('id', '', $lang['txt_filename'].':', 'upload__name'));
$form->addElement(form_makeButton('submit', '', $lang['btn_upload']));
$form->addElement(form_makeCloseTag('p'));
if($auth >= AUTH_DELETE){
$form->addElement(form_makeOpenTag('p'));
$form->addElement(form_makeCheckboxField('ow', 1, $lang['txt_overwrt'], 'dw__ow', 'check'));
$form->addElement(form_makeCloseTag('p'));
}
html_form('upload', $form);
// prepare flashvars for multiupload
$opt = array(
'L_gridname' => $lang['mu_gridname'] ,
'L_gridsize' => $lang['mu_gridsize'] ,
'L_gridstat' => $lang['mu_gridstat'] ,
'L_namespace' => $lang['mu_namespace'] ,
'L_overwrite' => $lang['txt_overwrt'],
'L_browse' => $lang['mu_browse'],
'L_upload' => $lang['btn_upload'],
'L_toobig' => $lang['mu_toobig'],
'L_ready' => $lang['mu_ready'],
'L_done' => $lang['mu_done'],
'L_fail' => $lang['mu_fail'],
'L_authfail' => $lang['mu_authfail'],
'L_progress' => $lang['mu_progress'],
'L_filetypes' => $lang['mu_filetypes'],
'L_info' => $lang['mu_info'],
'L_lasterr' => $lang['mu_lasterr'],
'O_ns' => ":$ns",
'O_backend' => 'mediamanager.php?'.session_name().'='.session_id(),
'O_maxsize' => php_to_byte(ini_get('upload_max_filesize')),
'O_extensions'=> join('|',array_keys(getMimeTypes())),
'O_overwrite' => ($auth >= AUTH_DELETE),
'O_sectok' => getSecurityToken(),
'O_authtok' => auth_createToken(),
);
$var = buildURLparams($opt);
// output the flash uploader
?>
<div id="dw__flashupload" style="display:none">
<div class="upload"><?php echo $lang['mu_intro']?></div>
<?php echo html_flashobject('multipleUpload.swf','500','190',null,$opt); ?>
</div>
<?php
}
/**
* Print the search field form
*
* @author Tobias Sarnowski <sarnowski@cosmocode.de>
*/
function media_searchform($ns,$query=''){
global $lang;
// The default HTML search form
$form = new Doku_Form(array('id' => 'dw__mediasearch', 'action' => DOKU_BASE.'lib/exe/mediamanager.php'));
$form->addElement('<div class="upload">' . $lang['mediasearch'] . '</div>');
$form->addElement(formSecurityToken());
$form->addHidden('ns', $ns);
$form->addHidden('do', 'searchlist');
$form->addElement(form_makeOpenTag('p'));
$form->addElement(form_makeTextField('q', $query,$lang['searchmedia'],'','',array('title'=>sprintf($lang['searchmedia_in'],hsc($ns).':*'))));
$form->addElement(form_makeButton('submit', '', $lang['btn_search']));
$form->addElement(form_makeCloseTag('p'));
html_form('searchmedia', $form);
}
/**
* Build a tree outline of available media namespaces
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function media_nstree($ns){
global $conf;
global $lang;
// currently selected namespace
$ns = cleanID($ns);
if(empty($ns)){
global $ID;
$ns = dirname(str_replace(':','/',$ID));
if($ns == '.') $ns ='';
}
$ns = utf8_encodeFN(str_replace(':','/',$ns));
$data = array();
search($data,$conf['mediadir'],'search_index',array('ns' => $ns, 'nofiles' => true));
// wrap a list with the root level around the other namespaces
$item = array( 'level' => 0, 'id' => '',
'open' =>'true', 'label' => '['.$lang['mediaroot'].']');
echo '<ul class="idx">';
echo media_nstree_li($item);
echo media_nstree_item($item);
echo html_buildlist($data,'idx','media_nstree_item','media_nstree_li');
echo '</li>';
echo '</ul>';
}
/**
* Userfunction for html_buildlist
*
* Prints a media namespace tree item
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function media_nstree_item($item){
$pos = strrpos($item['id'], ':');
$label = substr($item['id'], $pos > 0 ? $pos + 1 : 0);
if(!$item['label']) $item['label'] = $label;
$ret = '';
$ret .= '<a href="'.DOKU_BASE.'lib/exe/mediamanager.php?ns='.idfilter($item['id']).'" class="idx_dir">';
$ret .= $item['label'];
$ret .= '</a>';
return $ret;
}
/**
* Userfunction for html_buildlist
*
* Prints a media namespace tree item opener
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function media_nstree_li($item){
$class='media level'.$item['level'];
if($item['open']){
$class .= ' open';
$img = DOKU_BASE.'lib/images/minus.gif';
$alt = '−';
}else{
$class .= ' closed';
$img = DOKU_BASE.'lib/images/plus.gif';
$alt = '+';
}
return '<li class="'.$class.'">'.
'<img src="'.$img.'" alt="'.$alt.'" />';
}
/**
* Resizes the given image to the given size
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function media_resize_image($file, $ext, $w, $h=0){
global $conf;
$info = @getimagesize($file); //get original size
if($info == false) return $file; // that's no image - it's a spaceship!
if(!$h) $h = round(($w * $info[1]) / $info[0]);
// we wont scale up to infinity
if($w > 2000 || $h > 2000) return $file;
//cache
$local = getCacheName($file,'.media.'.$w.'x'.$h.'.'.$ext);
$mtime = @filemtime($local); // 0 if not exists
if( $mtime > filemtime($file) ||
media_resize_imageIM($ext,$file,$info[0],$info[1],$local,$w,$h) ||
media_resize_imageGD($ext,$file,$info[0],$info[1],$local,$w,$h) ){
if($conf['fperm']) chmod($local, $conf['fperm']);
return $local;
}
//still here? resizing failed
return $file;
}
/**
* Crops the given image to the wanted ratio, then calls media_resize_image to scale it
* to the wanted size
*
* Crops are centered horizontally but prefer the upper third of an vertical
* image because most pics are more interesting in that area (rule of thirds)
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function media_crop_image($file, $ext, $w, $h=0){
global $conf;
if(!$h) $h = $w;
$info = @getimagesize($file); //get original size
if($info == false) return $file; // that's no image - it's a spaceship!
// calculate crop size
$fr = $info[0]/$info[1];
$tr = $w/$h;
if($tr >= 1){
if($tr > $fr){
$cw = $info[0];
$ch = (int) $info[0]/$tr;
}else{
$cw = (int) $info[1]*$tr;
$ch = $info[1];
}
}else{
if($tr < $fr){
$cw = (int) $info[1]*$tr;
$ch = $info[1];
}else{
$cw = $info[0];
$ch = (int) $info[0]/$tr;
}
}
// calculate crop offset
$cx = (int) ($info[0]-$cw)/2;
$cy = (int) ($info[1]-$ch)/3;
//cache
$local = getCacheName($file,'.media.'.$cw.'x'.$ch.'.crop.'.$ext);
$mtime = @filemtime($local); // 0 if not exists
if( $mtime > filemtime($file) ||
media_crop_imageIM($ext,$file,$info[0],$info[1],$local,$cw,$ch,$cx,$cy) ||
media_resize_imageGD($ext,$file,$cw,$ch,$local,$cw,$ch,$cx,$cy) ){
if($conf['fperm']) chmod($local, $conf['fperm']);
return media_resize_image($local,$ext, $w, $h);
}
//still here? cropping failed
return media_resize_image($file,$ext, $w, $h);
}
/**
* Download a remote file and return local filename
*
* returns false if download fails. Uses cached file if available and
* wanted
*
* @author Andreas Gohr <andi@splitbrain.org>
* @author Pavel Vitis <Pavel.Vitis@seznam.cz>
*/
function media_get_from_URL($url,$ext,$cache){
global $conf;
// if no cache or fetchsize just redirect
if ($cache==0) return false;
if (!$conf['fetchsize']) return false;
$local = getCacheName(strtolower($url),".media.$ext");
$mtime = @filemtime($local); // 0 if not exists
//decide if download needed:
if( ($mtime == 0) || // cache does not exist
($cache != -1 && $mtime < time()-$cache) // 'recache' and cache has expired
){
if(media_image_download($url,$local)){
return $local;
}else{
return false;
}
}
//if cache exists use it else
if($mtime) return $local;
//else return false
return false;
}
/**
* Download image files
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
function media_image_download($url,$file){
global $conf;
$http = new DokuHTTPClient();
$http->max_bodysize = $conf['fetchsize'];
$http->timeout = 25; //max. 25 sec
$http->header_regexp = '!\r\nContent-Type: image/(jpe?g|gif|png)!i';
$data = $http->get($url);
if(!$data) return false;
$fileexists = @file_exists($file);
$fp = @fopen($file,"w");
if(!$fp) return false;
fwrite($fp,$data);
fclose($fp);
if(!$fileexists and $conf['fperm']) chmod($file, $conf['fperm']);
// check if it is really an image
$info = @getimagesize($file);
if(!$info){
@unlink($file);
return false;
}
return true;
}
/**
* resize images using external ImageMagick convert program
*
* @author Pavel Vitis <Pavel.Vitis@seznam.cz>
* @author Andreas Gohr <andi@splitbrain.org>
*/
function media_resize_imageIM($ext,$from,$from_w,$from_h,$to,$to_w,$to_h){
global $conf;
// check if convert is configured
if(!$conf['im_convert']) return false;
// prepare command
$cmd = $conf['im_convert'];
$cmd .= ' -resize '.$to_w.'x'.$to_h.'!';
if ($ext == 'jpg' || $ext == 'jpeg') {
$cmd .= ' -quality '.$conf['jpg_quality'];
}
$cmd .= " $from $to";
@exec($cmd,$out,$retval);
if ($retval == 0) return true;
return false;
}
/**
* crop images using external ImageMagick convert program
*
* @author Andreas Gohr <andi@splitbrain.org>