website_jukni/dokuwiki/inc/media.php
2017-12-29 15:51:59 +01:00

2451 lines
73 KiB
PHP
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<?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>
*
* @param array $data
* @param string $id
*/
function media_filesinuse($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>
* @author Kate Arzamastseva <pshns@ukr.net>
*
* @param string $id media id
* @param int $auth permission level
* @param array $data
* @return false|string
*/
function media_metasave($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);
}
}
$old = @filemtime($src);
if(!file_exists(mediaFN($id, $old)) && file_exists($src)) {
// add old revision to the attic
media_saveOldRevision($id);
}
$filesize_old = filesize($src);
if($meta->save()){
if($conf['fperm']) chmod($src, $conf['fperm']);
@clearstatcache(true, $src);
$new = @filemtime($src);
$filesize_new = filesize($src);
$sizechange = $filesize_new - $filesize_old;
// add a log entry to the media changelog
addMediaLogEntry($new, $id, DOKU_CHANGE_TYPE_EDIT, $lang['media_meta_edited'], '', null, $sizechange);
msg($lang['metasaveok'],1);
return $id;
}else{
msg($lang['metasaveerr'],-1);
return false;
}
}
/**
* check if a media is external source
*
* @author Gerrit Uitslag <klapinklapin@gmail.com>
*
* @param string $id the media ID or URL
* @return bool
*/
function media_isexternal($id){
if (preg_match('#^(?:https?|ftp)://#i', $id)) return true;
return false;
}
/**
* Check if a media item is public (eg, external URL or readable by @ALL)
*
* @author Andreas Gohr <andi@splitbrain.org>
*
* @param string $id the media ID or URL
* @return bool
*/
function media_ispublic($id){
if(media_isexternal($id)) return true;
$id = cleanID($id);
if(auth_aclcheck(getNS($id).':*', '', array()) >= AUTH_READ) return true;
return false;
}
/**
* Display the form to edit image meta data
*
* @author Andreas Gohr <andi@splitbrain.org>
* @author Kate Arzamastseva <pshns@ukr.net>
*
* @param string $id media id
* @param int $auth permission level
* @return bool
*/
function media_metaform($id,$auth){
global $lang;
if($auth < AUTH_UPLOAD) {
echo '<div class="nothing">'.$lang['media_perm_upload'].'</div>'.NL;
return false;
}
// load the field descriptions
static $fields = null;
if(is_null($fields)){
$config_files = getConfigFiles('mediameta');
foreach ($config_files as $config_file) {
if(file_exists($config_file)) include($config_file);
}
}
$src = mediaFN($id);
// output
$form = new Doku_Form(array('action' => media_managerURL(array('tab_details' => 'view'), '&'),
'class' => 'meta'));
$form->addHidden('img', $id);
$form->addHidden('mediado', 'save');
foreach($fields as $key => $field){
// get current value
if (empty($field[0])) continue;
$tags = array($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].']';
$p_attrs = array('class' => 'edit');
$form->addElement('<div class="row">');
if($field[2] == 'text'){
$form->addElement(form_makeField('text', $p['name'], $value, ($lang[$field[1]]) ? $lang[$field[1]] : $field[1] . ':', $p['id'], $p['class'], $p_attrs));
}else{
$att = buildAttributes($p);
$form->addElement('<label for="meta__'.$key.'">'.$lang[$field[1]].'</label>');
$form->addElement("<textarea $att rows=\"6\" cols=\"50\">".formText($value).'</textarea>');
}
$form->addElement('</div>'.NL);
}
$form->addElement('<div class="buttons">');
$form->addElement(form_makeButton('submit', '', $lang['btn_save'], array('accesskey' => 's', 'name' => 'mediado[save]')));
$form->addElement('</div>'.NL);
$form->printForm();
return true;
}
/**
* Convenience function to check if a media file is still in use
*
* @author Michael Klier <chi@chimeric.de>
*
* @param string $id media id
* @return array|bool
*/
function media_inuse($id) {
global $conf;
if($conf['refcheck']){
$mediareferences = ft_mediause($id,true);
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>
*
* @param string $id media id
* @param int $auth no longer used
* @return int One of: 0,
* DOKU_MEDIA_DELETED,
* DOKU_MEDIA_DELETED | DOKU_MEDIA_EMPTY_NS,
* DOKU_MEDIA_NOT_AUTH,
* DOKU_MEDIA_INUSE
*/
function media_delete($id,$auth){
global $lang;
$auth = auth_quickaclcheck(ltrim(getNS($id).':*', ':'));
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 = array();
$data['id'] = $id;
$data['name'] = utf8_basename($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()) {
$old = @filemtime($file);
if(!file_exists(mediaFN($id, $old)) && file_exists($file)) {
// add old revision to the attic
media_saveOldRevision($id);
}
$data['unl'] = @unlink($file);
if($data['unl']) {
$sizechange = 0 - $data['size'];
addMediaLogEntry(time(), $id, DOKU_CHANGE_TYPE_DELETE, $lang['deleted'], '', null, $sizechange);
$data['del'] = io_sweepNS($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;
}
/**
* Handle file uploads via XMLHttpRequest
*
* @param string $ns target namespace
* @param int $auth current auth check result
* @return false|string false on error, id of the new file on success
*/
function media_upload_xhr($ns,$auth){
if(!checkSecurityToken()) return false;
global $INPUT;
$id = $INPUT->get->str('qqfile');
list($ext,$mime) = mimetype($id);
$input = fopen("php://input", "r");
if (!($tmp = io_mktmpdir())) return false;
$path = $tmp.'/'.md5($id);
$target = fopen($path, "w");
$realSize = stream_copy_to_stream($input, $target);
fclose($target);
fclose($input);
if (isset($_SERVER["CONTENT_LENGTH"]) && ($realSize != (int)$_SERVER["CONTENT_LENGTH"])){
unlink($path);
return false;
}
$res = media_save(
array('name' => $path,
'mime' => $mime,
'ext' => $ext),
$ns.':'.$id,
(($INPUT->get->str('ow') == 'true') ? true : false),
$auth,
'copy'
);
unlink($path);
if ($tmp) io_rmdir($tmp, true);
if (is_array($res)) {
msg($res[0], $res[1]);
return false;
}
return $res;
}
/**
* Handles media file uploads
*
* @author Andreas Gohr <andi@splitbrain.org>
* @author Michael Klier <chi@chimeric.de>
*
* @param string $ns target namespace
* @param int $auth current auth check result
* @param bool|array $file $_FILES member, $_FILES['upload'] if false
* @return false|string false on error, id of the new file on success
*/
function media_upload($ns,$auth,$file=false){
if(!checkSecurityToken()) return false;
global $lang;
global $INPUT;
// get file and id
$id = $INPUT->post->str('mediaid');
if (!$file) $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) = mimetype($file['name']);
list($iext,$imime) = mimetype($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,
$INPUT->post->bool('ow'), $auth, 'copy_uploaded_file');
if (is_array($res)) {
msg($res[0], $res[1]);
return false;
}
return $res;
}
/**
* An alternative to move_uploaded_file that copies
*
* Using copy, makes sure any setgid bits on the media directory are honored
*
* @see move_uploaded_file()
*
* @param string $from
* @param string $to
* @return bool
*/
function copy_uploaded_file($from, $to){
if(!is_uploaded_file($from)) return false;
$ok = copy($from, $to);
@unlink($from);
return $ok;
}
/**
* 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
* $data[5] move: name of function that performs move/copy/..
*
* @triggers MEDIA_UPLOAD_FINISH
*
* @param array $file
* @param string $id media id
* @param bool $ow overwrite?
* @param int $auth permission level
* @param string $move name of functions that performs move/copy/..
* @return false|array|string
*/
function media_save($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, $conf;
// get filename
$id = cleanID($id);
$fn = mediaFN($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);
$auth_ow = (($conf['mediarevisions']) ? AUTH_UPLOAD : AUTH_DELETE);
if($overwrite && (!$ow || $auth < $auth_ow)) {
return array($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 = array();
$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() triggered by MEDIA_UPLOAD_FINISH
*
* @author Michael Klier <chi@chimeric.de>
*
* @param array $data event data
* @return false|array|string
*/
function _media_upload_action($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>
* @author Kate Arzamastseva <pshns@ukr.net>
*
* @param string $fn_tmp
* @param string $fn
* @param string $id media id
* @param string $imime mime type
* @param bool $overwrite overwrite existing?
* @param string $move function name
* @return array|string
*/
function media_upload_finish($fn_tmp, $fn, $id, $imime, $overwrite, $move = 'move_uploaded_file') {
global $conf;
global $lang;
global $REV;
$old = @filemtime($fn);
if(!file_exists(mediaFN($id, $old)) && file_exists($fn)) {
// add old revision to the attic if missing
media_saveOldRevision($id);
}
// prepare directory
io_createNamespace($id, 'media');
$filesize_old = file_exists($fn) ? filesize($fn) : 0;
if($move($fn_tmp, $fn)) {
@clearstatcache(true,$fn);
$new = @filemtime($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,$imime,$old);
// add a log entry to the media changelog
$filesize_new = filesize($fn);
$sizechange = $filesize_new - $filesize_old;
if($REV) {
addMediaLogEntry($new, $id, DOKU_CHANGE_TYPE_REVERT, sprintf($lang['restored'], dformat($REV)), $REV, null, $sizechange);
} elseif($overwrite) {
addMediaLogEntry($new, $id, DOKU_CHANGE_TYPE_EDIT, '', '', null, $sizechange);
} else {
addMediaLogEntry($new, $id, DOKU_CHANGE_TYPE_CREATE, $lang['created'], '', null, $sizechange);
}
return $id;
}else{
return array($lang['uploadfail'],-1);
}
}
/**
* Moves the current version of media file to the media_attic
* directory
*
* @author Kate Arzamastseva <pshns@ukr.net>
*
* @param string $id
* @return int - revision date
*/
function media_saveOldRevision($id){
global $conf, $lang;
$oldf = mediaFN($id);
if(!file_exists($oldf)) return '';
$date = filemtime($oldf);
if (!$conf['mediarevisions']) return $date;
$medialog = new MediaChangeLog($id);
if (!$medialog->getRevisionInfo($date)) {
// there was an external edit,
// there is no log entry for current version of file
$sizechange = filesize($oldf);
if(!file_exists(mediaMetaFN($id, '.changes'))) {
addMediaLogEntry($date, $id, DOKU_CHANGE_TYPE_CREATE, $lang['created'], '', null, $sizechange);
} else {
$oldRev = $medialog->getRevisions(-1, 1); // from changelog
$oldRev = (int) (empty($oldRev) ? 0 : $oldRev[0]);
$filesize_old = filesize(mediaFN($id, $oldRev));
$sizechange = $sizechange - $filesize_old;
addMediaLogEntry($date, $id, DOKU_CHANGE_TYPE_EDIT, '', '', null, $sizechange);
}
}
$newf = mediaFN($id,$date);
io_makeFileDir($newf);
if(copy($oldf, $newf)) {
// 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 $conf['fperm'] is set.)
chmod($newf, $conf['fmode']);
}
return $date;
}
/**
* 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?
*
* @param string $file path to file
* @param string $mime mimetype
* @return int
*/
function media_contentcheck($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; //XSS: possibly malicious content
}
}
}
if(substr($mime,0,6) == 'image/'){
$info = @getimagesize($file);
if($mime == 'image/gif' && $info[2] != 1){
return -1; // uploaded content did not match the file extension
}elseif($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; //blocked by the spam blacklist
}
}
return 0;
}
/**
* Send a notify mail on uploads
*
* @author Andreas Gohr <andi@splitbrain.org>
*
* @param string $id media id
* @param string $file path to file
* @param string $mime mime type
* @param bool|int $old_rev revision timestamp or false
* @return bool
*/
function media_notify($id,$file,$mime,$old_rev=false){
global $conf;
if(empty($conf['notify'])) return false; //notify enabled?
$subscription = new Subscription();
return $subscription->send_media_diff($conf['notify'], 'uploadmail', $id, $old_rev);
}
/**
* List all files in a given Media namespace
*
* @param string $ns namespace
* @param null|int $auth permission level
* @param string $jump id
* @param bool $fullscreenview
* @param bool|string $sort sorting order, false skips sorting
*/
function media_filelist($ns,$auth=null,$jump='',$fullscreenview=false,$sort=false){
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:*");
if (!$fullscreenview) echo '<h1 id="media__ns">:'.hsc($ns).'</h1>'.NL;
if($auth < AUTH_READ){
// FIXME: print permission warning here instead?
echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL;
}else{
if (!$fullscreenview) {
media_uploadform($ns, $auth);
media_searchform($ns);
}
$dir = utf8_encodeFN(str_replace(':','/',$ns));
$data = array();
search($data,$conf['mediadir'],'search_media',
array('showmsg'=>true,'depth'=>1),$dir,1,$sort);
if(!count($data)){
echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL;
}else {
if ($fullscreenview) {
echo '<ul class="' . _media_get_list_type() . '">';
}
foreach($data as $item){
if (!$fullscreenview) {
media_printfile($item,$auth,$jump);
} else {
media_printfile_thumbs($item,$auth,$jump);
}
}
if ($fullscreenview) echo '</ul>'.NL;
}
}
}
/**
* Prints tabs for files list actions
*
* @author Kate Arzamastseva <pshns@ukr.net>
* @author Adrian Lang <mail@adrianlang.de>
*
* @param string $selected_tab - opened tab
*/
function media_tabs_files($selected_tab = ''){
global $lang;
$tabs = array();
foreach(array('files' => 'mediaselect',
'upload' => 'media_uploadtab',
'search' => 'media_searchtab') as $tab => $caption) {
$tabs[$tab] = array('href' => media_managerURL(array('tab_files' => $tab), '&'),
'caption' => $lang[$caption]);
}
html_tabs($tabs, $selected_tab);
}
/**
* Prints tabs for files details actions
*
* @author Kate Arzamastseva <pshns@ukr.net>
* @param string $image filename of the current image
* @param string $selected_tab opened tab
*/
function media_tabs_details($image, $selected_tab = ''){
global $lang, $conf;
$tabs = array();
$tabs['view'] = array('href' => media_managerURL(array('tab_details' => 'view'), '&'),
'caption' => $lang['media_viewtab']);
list(, $mime) = mimetype($image);
if ($mime == 'image/jpeg' && file_exists(mediaFN($image))) {
$tabs['edit'] = array('href' => media_managerURL(array('tab_details' => 'edit'), '&'),
'caption' => $lang['media_edittab']);
}
if ($conf['mediarevisions']) {
$tabs['history'] = array('href' => media_managerURL(array('tab_details' => 'history'), '&'),
'caption' => $lang['media_historytab']);
}
html_tabs($tabs, $selected_tab);
}
/**
* Prints options for the tab that displays a list of all files
*
* @author Kate Arzamastseva <pshns@ukr.net>
*/
function media_tab_files_options(){
global $lang;
global $INPUT;
global $ID;
$form = new Doku_Form(array('class' => 'options', 'method' => 'get',
'action' => wl($ID)));
$media_manager_params = media_managerURL(array(), '', false, true);
foreach($media_manager_params as $pKey => $pVal){
$form->addHidden($pKey, $pVal);
}
$form->addHidden('sectok', null);
if ($INPUT->has('q')) {
$form->addHidden('q', $INPUT->str('q'));
}
$form->addElement('<ul>'.NL);
foreach(array('list' => array('listType', array('thumbs', 'rows')),
'sort' => array('sortBy', array('name', 'date')))
as $group => $content) {
$checked = "_media_get_${group}_type";
$checked = $checked();
$form->addElement('<li class="' . $content[0] . '">');
foreach($content[1] as $option) {
$attrs = array();
if ($checked == $option) {
$attrs['checked'] = 'checked';
}
$form->addElement(form_makeRadioField($group . '_dwmedia', $option,
$lang['media_' . $group . '_' . $option],
$content[0] . '__' . $option,
$option, $attrs));
}
$form->addElement('</li>'.NL);
}
$form->addElement('<li>');
$form->addElement(form_makeButton('submit', '', $lang['btn_apply']));
$form->addElement('</li>'.NL);
$form->addElement('</ul>'.NL);
$form->printForm();
}
/**
* Returns type of sorting for the list of files in media manager
*
* @author Kate Arzamastseva <pshns@ukr.net>
*
* @return string - sort type
*/
function _media_get_sort_type() {
return _media_get_display_param('sort', array('default' => 'name', 'date'));
}
/**
* Returns type of listing for the list of files in media manager
*
* @author Kate Arzamastseva <pshns@ukr.net>
*
* @return string - list type
*/
function _media_get_list_type() {
return _media_get_display_param('list', array('default' => 'thumbs', 'rows'));
}
/**
* Get display parameters
*
* @param string $param name of parameter
* @param array $values allowed values, where default value has index key 'default'
* @return string the parameter value
*/
function _media_get_display_param($param, $values) {
global $INPUT;
if (in_array($INPUT->str($param), $values)) {
// FIXME: Set cookie
return $INPUT->str($param);
} else {
$val = get_doku_pref($param, $values['default']);
if (!in_array($val, $values)) {
$val = $values['default'];
}
return $val;
}
}
/**
* Prints tab that displays a list of all files
*
* @author Kate Arzamastseva <pshns@ukr.net>
*
* @param string $ns
* @param null|int $auth permission level
* @param string $jump item id
*/
function media_tab_files($ns,$auth=null,$jump='') {
global $lang;
if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*");
if($auth < AUTH_READ){
echo '<div class="nothing">'.$lang['media_perm_read'].'</div>'.NL;
}else{
media_filelist($ns,$auth,$jump,true,_media_get_sort_type());
}
}
/**
* Prints tab that displays uploading form
*
* @author Kate Arzamastseva <pshns@ukr.net>
*
* @param string $ns
* @param null|int $auth permission level
* @param string $jump item id
*/
function media_tab_upload($ns,$auth=null,$jump='') {
global $lang;
if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*");
echo '<div class="upload">'.NL;
if ($auth >= AUTH_UPLOAD) {
echo '<p>' . $lang['mediaupload'] . '</p>';
}
media_uploadform($ns, $auth, true);
echo '</div>'.NL;
}
/**
* Prints tab that displays search form
*
* @author Kate Arzamastseva <pshns@ukr.net>
*
* @param string $ns
* @param null|int $auth permission level
*/
function media_tab_search($ns,$auth=null) {
global $INPUT;
$do = $INPUT->str('mediado');
$query = $INPUT->str('q');
echo '<div class="search">'.NL;
media_searchform($ns, $query, true);
if ($do == 'searchlist' || $query) {
media_searchlist($query,$ns,$auth,true,_media_get_sort_type());
}
echo '</div>'.NL;
}
/**
* Prints tab that displays mediafile details
*
* @author Kate Arzamastseva <pshns@ukr.net>
*
* @param string $image media id
* @param string $ns
* @param null|int $auth permission level
* @param string|int $rev revision timestamp or empty string
*/
function media_tab_view($image, $ns, $auth=null, $rev='') {
global $lang;
if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*");
if ($image && $auth >= AUTH_READ) {
$meta = new JpegMeta(mediaFN($image, $rev));
media_preview($image, $auth, $rev, $meta);
media_preview_buttons($image, $auth, $rev);
media_details($image, $auth, $rev, $meta);
} else {
echo '<div class="nothing">'.$lang['media_perm_read'].'</div>'.NL;
}
}
/**
* Prints tab that displays form for editing mediafile metadata
*
* @author Kate Arzamastseva <pshns@ukr.net>
*
* @param string $image media id
* @param string $ns
* @param null|int $auth permission level
*/
function media_tab_edit($image, $ns, $auth=null) {
if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*");
if ($image) {
list(, $mime) = mimetype($image);
if ($mime == 'image/jpeg') media_metaform($image,$auth);
}
}
/**
* Prints tab that displays mediafile revisions
*
* @author Kate Arzamastseva <pshns@ukr.net>
*
* @param string $image media id
* @param string $ns
* @param null|int $auth permission level
*/
function media_tab_history($image, $ns, $auth=null) {
global $lang;
global $INPUT;
if(is_null($auth)) $auth = auth_quickaclcheck("$ns:*");
$do = $INPUT->str('mediado');
if ($auth >= AUTH_READ && $image) {
if ($do == 'diff'){
media_diff($image, $ns, $auth);
} else {
$first = $INPUT->int('first');
html_revisions($first, $image);
}
} else {
echo '<div class="nothing">'.$lang['media_perm_read'].'</div>'.NL;
}
}
/**
* Prints mediafile details
*
* @param string $image media id
* @param int $auth permission level
* @param int|string $rev revision timestamp or empty string
* @param JpegMeta|bool $meta
*
* @author Kate Arzamastseva <pshns@ukr.net>
*/
function media_preview($image, $auth, $rev='', $meta=false) {
$size = media_image_preview_size($image, $rev, $meta);
if ($size) {
global $lang;
echo '<div class="image">';
$more = array();
if ($rev) {
$more['rev'] = $rev;
} else {
$t = @filemtime(mediaFN($image));
$more['t'] = $t;
}
$more['w'] = $size[0];
$more['h'] = $size[1];
$src = ml($image, $more);
echo '<a href="'.$src.'" target="_blank" title="'.$lang['mediaview'].'">';
echo '<img src="'.$src.'" alt="" style="max-width: '.$size[0].'px;" />';
echo '</a>';
echo '</div>'.NL;
}
}
/**
* Prints mediafile action buttons
*
* @author Kate Arzamastseva <pshns@ukr.net>
*
* @param string $image media id
* @param int $auth permission level
* @param string|int $rev revision timestamp, or empty string
*/
function media_preview_buttons($image, $auth, $rev='') {
global $lang, $conf;
echo '<ul class="actions">'.NL;
if($auth >= AUTH_DELETE && !$rev && file_exists(mediaFN($image))){
// delete button
$form = new Doku_Form(array('id' => 'mediamanager__btn_delete',
'action'=>media_managerURL(array('delete' => $image), '&')));
$form->addElement(form_makeButton('submit','',$lang['btn_delete']));
echo '<li>';
$form->printForm();
echo '</li>'.NL;
}
$auth_ow = (($conf['mediarevisions']) ? AUTH_UPLOAD : AUTH_DELETE);
if($auth >= $auth_ow && !$rev){
// upload new version button
$form = new Doku_Form(array('id' => 'mediamanager__btn_update',
'action'=>media_managerURL(array('image' => $image, 'mediado' => 'update'), '&')));
$form->addElement(form_makeButton('submit','',$lang['media_update']));
echo '<li>';
$form->printForm();
echo '</li>'.NL;
}
if($auth >= AUTH_UPLOAD && $rev && $conf['mediarevisions'] && file_exists(mediaFN($image, $rev))){
// restore button
$form = new Doku_Form(array('id' => 'mediamanager__btn_restore',
'action'=>media_managerURL(array('image' => $image), '&')));
$form->addHidden('mediado','restore');
$form->addHidden('rev',$rev);
$form->addElement(form_makeButton('submit','',$lang['media_restore']));
echo '<li>';
$form->printForm();
echo '</li>'.NL;
}
echo '</ul>'.NL;
}
/**
* Returns image width and height for mediamanager preview panel
*
* @author Kate Arzamastseva <pshns@ukr.net>
* @param string $image
* @param int|string $rev
* @param JpegMeta|bool $meta
* @param int $size
* @return array|false
*/
function media_image_preview_size($image, $rev, $meta, $size = 500) {
if (!preg_match("/\.(jpe?g|gif|png)$/", $image) || !file_exists(mediaFN($image, $rev))) return false;
$info = getimagesize(mediaFN($image, $rev));
$w = (int) $info[0];
$h = (int) $info[1];
if($meta && ($w > $size || $h > $size)){
$ratio = $meta->getResizeRatio($size, $size);
$w = floor($w * $ratio);
$h = floor($h * $ratio);
}
return array($w, $h);
}
/**
* Returns the requested EXIF/IPTC tag from the image meta
*
* @author Kate Arzamastseva <pshns@ukr.net>
*
* @param array $tags array with tags, first existing is returned
* @param JpegMeta $meta
* @param string $alt alternative value
* @return string
*/
function media_getTag($tags,$meta,$alt=''){
if($meta === false) return $alt;
$info = $meta->getField($tags);
if($info == false) return $alt;
return $info;
}
/**
* Returns mediafile tags
*
* @author Kate Arzamastseva <pshns@ukr.net>
*
* @param JpegMeta $meta
* @return array list of tags of the mediafile
*/
function media_file_tags($meta) {
// load the field descriptions
static $fields = null;
if(is_null($fields)){
$config_files = getConfigFiles('mediameta');
foreach ($config_files as $config_file) {
if(file_exists($config_file)) include($config_file);
}
}
$tags = array();
foreach($fields as $key => $tag){
$t = array();
if (!empty($tag[0])) $t = array($tag[0]);
if(isset($tag[3]) && is_array($tag[3])) $t = array_merge($t,$tag[3]);
$value = media_getTag($t, $meta);
$tags[] = array('tag' => $tag, 'value' => $value);
}
return $tags;
}
/**
* Prints mediafile tags
*
* @author Kate Arzamastseva <pshns@ukr.net>
*
* @param string $image image id
* @param int $auth permission level
* @param string|int $rev revision timestamp, or empty string
* @param bool|JpegMeta $meta image object, or create one if false
*/
function media_details($image, $auth, $rev='', $meta=false) {
global $lang;
if (!$meta) $meta = new JpegMeta(mediaFN($image, $rev));
$tags = media_file_tags($meta);
echo '<dl>'.NL;
foreach($tags as $tag){
if ($tag['value']) {
$value = cleanText($tag['value']);
echo '<dt>'.$lang[$tag['tag'][1]].'</dt><dd>';
if ($tag['tag'][2] == 'date') echo dformat($value);
else echo hsc($value);
echo '</dd>'.NL;
}
}
echo '</dl>'.NL;
echo '<dl>'.NL;
echo '<dt>'.$lang['reference'].':</dt>';
$media_usage = ft_mediause($image,true);
if(count($media_usage) > 0){
foreach($media_usage as $path){
echo '<dd>'.html_wikilink($path).'</dd>';
}
}else{
echo '<dd>'.$lang['nothingfound'].'</dd>';
}
echo '</dl>'.NL;
}
/**
* Shows difference between two revisions of file
*
* @author Kate Arzamastseva <pshns@ukr.net>
*
* @param string $image image id
* @param string $ns
* @param int $auth permission level
* @param bool $fromajax
* @return false|null|string
*/
function media_diff($image, $ns, $auth, $fromajax = false) {
global $conf;
global $INPUT;
if ($auth < AUTH_READ || !$image || !$conf['mediarevisions']) return '';
$rev1 = $INPUT->int('rev');
$rev2 = $INPUT->ref('rev2');
if(is_array($rev2)){
$rev1 = (int) $rev2[0];
$rev2 = (int) $rev2[1];
if(!$rev1){
$rev1 = $rev2;
unset($rev2);
}
}else{
$rev2 = $INPUT->int('rev2');
}
if ($rev1 && !file_exists(mediaFN($image, $rev1))) $rev1 = false;
if ($rev2 && !file_exists(mediaFN($image, $rev2))) $rev2 = false;
if($rev1 && $rev2){ // two specific revisions wanted
// make sure order is correct (older on the left)
if($rev1 < $rev2){
$l_rev = $rev1;
$r_rev = $rev2;
}else{
$l_rev = $rev2;
$r_rev = $rev1;
}
}elseif($rev1){ // single revision given, compare to current
$r_rev = '';
$l_rev = $rev1;
}else{ // no revision was given, compare previous to current
$r_rev = '';
$medialog = new MediaChangeLog($image);
$revs = $medialog->getRevisions(0, 1);
if (file_exists(mediaFN($image, $revs[0]))) {
$l_rev = $revs[0];
} else {
$l_rev = '';
}
}
// prepare event data
$data = array();
$data[0] = $image;
$data[1] = $l_rev;
$data[2] = $r_rev;
$data[3] = $ns;
$data[4] = $auth;
$data[5] = $fromajax;
// trigger event
return trigger_event('MEDIA_DIFF', $data, '_media_file_diff', true);
}
/**
* Callback for media file diff
*
* @param array $data event data
* @return false|null
*/
function _media_file_diff($data) {
if(is_array($data) && count($data)===6) {
media_file_diff($data[0], $data[1], $data[2], $data[3], $data[4], $data[5]);
} else {
return false;
}
}
/**
* Shows difference between two revisions of image
*
* @author Kate Arzamastseva <pshns@ukr.net>
*
* @param string $image
* @param string|int $l_rev revision timestamp, or empty string
* @param string|int $r_rev revision timestamp, or empty string
* @param string $ns
* @param int $auth permission level
* @param bool $fromajax
*/
function media_file_diff($image, $l_rev, $r_rev, $ns, $auth, $fromajax){
global $lang;
global $INPUT;
$l_meta = new JpegMeta(mediaFN($image, $l_rev));
$r_meta = new JpegMeta(mediaFN($image, $r_rev));
$is_img = preg_match('/\.(jpe?g|gif|png)$/', $image);
if ($is_img) {
$l_size = media_image_preview_size($image, $l_rev, $l_meta);
$r_size = media_image_preview_size($image, $r_rev, $r_meta);
$is_img = ($l_size && $r_size && ($l_size[0] >= 30 || $r_size[0] >= 30));
$difftype = $INPUT->str('difftype');
if (!$fromajax) {
$form = new Doku_Form(array(
'action' => media_managerURL(array(), '&'),
'method' => 'get',
'id' => 'mediamanager__form_diffview',
'class' => 'diffView'
));
$form->addHidden('sectok', null);
$form->addElement('<input type="hidden" name="rev2[]" value="'.$l_rev.'" ></input>');
$form->addElement('<input type="hidden" name="rev2[]" value="'.$r_rev.'" ></input>');
$form->addHidden('mediado', 'diff');
$form->printForm();
echo NL.'<div id="mediamanager__diff" >'.NL;
}
if ($difftype == 'opacity' || $difftype == 'portions') {
media_image_diff($image, $l_rev, $r_rev, $l_size, $r_size, $difftype);
if (!$fromajax) echo '</div>';
return;
}
}
list($l_head, $r_head) = html_diff_head($l_rev, $r_rev, $image, true);
?>
<div class="table">
<table>
<tr>
<th><?php echo $l_head; ?></th>
<th><?php echo $r_head; ?></th>
</tr>
<?php
echo '<tr class="image">';
echo '<td>';
media_preview($image, $auth, $l_rev, $l_meta);
echo '</td>';
echo '<td>';
media_preview($image, $auth, $r_rev, $r_meta);
echo '</td>';
echo '</tr>'.NL;
echo '<tr class="actions">';
echo '<td>';
media_preview_buttons($image, $auth, $l_rev);
echo '</td>';
echo '<td>';
media_preview_buttons($image, $auth, $r_rev);
echo '</td>';
echo '</tr>'.NL;
$l_tags = media_file_tags($l_meta);
$r_tags = media_file_tags($r_meta);
// FIXME r_tags-only stuff
foreach ($l_tags as $key => $l_tag) {
if ($l_tag['value'] != $r_tags[$key]['value']) {
$r_tags[$key]['highlighted'] = true;
$l_tags[$key]['highlighted'] = true;
} else if (!$l_tag['value'] || !$r_tags[$key]['value']) {
unset($r_tags[$key]);
unset($l_tags[$key]);
}
}
echo '<tr>';
foreach(array($l_tags,$r_tags) as $tags){
echo '<td>'.NL;
echo '<dl class="img_tags">';
foreach($tags as $tag){
$value = cleanText($tag['value']);
if (!$value) $value = '-';
echo '<dt>'.$lang[$tag['tag'][1]].'</dt>';
echo '<dd>';
if ($tag['highlighted']) {
echo '<strong>';
}
if ($tag['tag'][2] == 'date') echo dformat($value);
else echo hsc($value);
if ($tag['highlighted']) {
echo '</strong>';
}
echo '</dd>';
}
echo '</dl>'.NL;
echo '</td>';
}
echo '</tr>'.NL;
echo '</table>'.NL;
echo '</div>'.NL;
if ($is_img && !$fromajax) echo '</div>';
}
/**
* Prints two images side by side
* and slider
*
* @author Kate Arzamastseva <pshns@ukr.net>
*
* @param string $image image id
* @param int $l_rev revision timestamp, or empty string
* @param int $r_rev revision timestamp, or empty string
* @param array $l_size array with width and height
* @param array $r_size array with width and height
* @param string $type
*/
function media_image_diff($image, $l_rev, $r_rev, $l_size, $r_size, $type) {
if ($l_size != $r_size) {
if ($r_size[0] > $l_size[0]) {
$l_size = $r_size;
}
}
$l_more = array('rev' => $l_rev, 'h' => $l_size[1], 'w' => $l_size[0]);
$r_more = array('rev' => $r_rev, 'h' => $l_size[1], 'w' => $l_size[0]);
$l_src = ml($image, $l_more);
$r_src = ml($image, $r_more);
// slider
echo '<div class="slider" style="max-width: '.($l_size[0]-20).'px;" ></div>'.NL;
// two images in divs
echo '<div class="imageDiff ' . $type . '">'.NL;
echo '<div class="image1" style="max-width: '.$l_size[0].'px;">';
echo '<img src="'.$l_src.'" alt="" />';
echo '</div>'.NL;
echo '<div class="image2" style="max-width: '.$l_size[0].'px;">';
echo '<img src="'.$r_src.'" alt="" />';
echo '</div>'.NL;
echo '</div>'.NL;
}
/**
* Restores an old revision of a media file
*
* @param string $image media id
* @param int $rev revision timestamp or empty string
* @param int $auth
* @return string - file's id
*
* @author Kate Arzamastseva <pshns@ukr.net>
*/
function media_restore($image, $rev, $auth){
global $conf;
if ($auth < AUTH_UPLOAD || !$conf['mediarevisions']) return false;
$removed = (!file_exists(mediaFN($image)) && file_exists(mediaMetaFN($image, '.changes')));
if (!$image || (!file_exists(mediaFN($image)) && !$removed)) return false;
if (!$rev || !file_exists(mediaFN($image, $rev))) return false;
list(,$imime,) = mimetype($image);
$res = media_upload_finish(mediaFN($image, $rev),
mediaFN($image),
$image,
$imime,
true,
'copy');
if (is_array($res)) {
msg($res[0], $res[1]);
return false;
}
return $res;
}
/**
* List all files found by the search request
*
* @author Tobias Sarnowski <sarnowski@cosmocode.de>
* @author Andreas Gohr <gohr@cosmocode.de>
* @author Kate Arzamastseva <pshns@ukr.net>
* @triggers MEDIA_SEARCH
*
* @param string $query
* @param string $ns
* @param null|int $auth
* @param bool $fullscreen
* @param string $sort
*/
function media_searchlist($query,$ns,$auth=null,$fullscreen=false,$sort='natural'){
global $conf;
global $lang;
$ns = cleanID($ns);
$evdata = array(
'ns' => $ns,
'data' => array(),
'query' => $query
);
if ($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,
1,
$sort);
}
$evt->advise_after();
unset($evt);
}
if (!$fullscreen) {
echo '<h1 id="media__ns">'.sprintf($lang['searchmedia_in'],hsc($ns).':*').'</h1>'.NL;
media_searchform($ns,$query);
}
if(!count($evdata['data'])){
echo '<div class="nothing">'.$lang['nothingfound'].'</div>'.NL;
}else {
if ($fullscreen) {
echo '<ul class="' . _media_get_list_type() . '">';
}
foreach($evdata['data'] as $item){
if (!$fullscreen) media_printfile($item,$item['perm'],'',true);
else media_printfile_thumbs($item,$item['perm'],false,true);
}
if ($fullscreen) echo '</ul>'.NL;
}
}
/**
* Formats and prints one file in the list
*
* @param array $item
* @param int $auth permission level
* @param string $jump item id
* @param bool $display_namespace
*/
function media_printfile($item,$auth,$jump,$display_namespace=false){
global $lang;
// 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) = 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 .= '&#215;';
$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.' title="'.hsc($item['id']).'">'.NL;
if (!$display_namespace) {
echo '<a id="h_:'.$item['id'].'" class="'.$class.'">'.hsc($file).'</a> ';
} else {
echo '<a id="h_:'.$item['id'].'" class="'.$class.'">'.hsc($item['id']).'</a><br/>';
}
echo '<span class="info">('.$info.')</span>'.NL;
// 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>';
// mediamanager button
$link = wl('',array('do'=>'media','image'=>$item['id'],'ns'=>getNS($item['id'])));
echo ' <a href="'.$link.'" target="_blank"><img src="'.DOKU_BASE.'lib/images/mediamanager.png" '.
'alt="'.$lang['btn_media'].'" title="'.$lang['btn_media'].'" class="btn" /></a>';
// delete button
if($item['writable'] && $auth >= AUTH_DELETE){
$link = DOKU_BASE.'lib/exe/mediamanager.php?delete='.rawurlencode($item['id']).
'&amp;sectok='.getSecurityToken();
echo ' <a href="'.$link.'" class="btn_media_delete" title="'.$item['id'].'">'.
'<img src="'.DOKU_BASE.'lib/images/trash.png" alt="'.$lang['btn_delete'].'" '.
'title="'.$lang['btn_delete'].'" class="btn" /></a>';
}
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;
}
/**
* Display a media icon
*
* @param string $filename media id
* @param string $size the size subfolder, if not specified 16x16 is used
* @return string html
*/
function media_printicon($filename, $size=''){
list($ext) = mimetype(mediaFN($filename),false);
if (file_exists(DOKU_INC.'lib/images/fileicons/'.$size.'/'.$ext.'.png')) {
$icon = DOKU_BASE.'lib/images/fileicons/'.$size.'/'.$ext.'.png';
} else {
$icon = DOKU_BASE.'lib/images/fileicons/'.$size.'/file.png';
}
return '<img src="'.$icon.'" alt="'.$filename.'" class="icon" />';
}
/**
* Formats and prints one file in the list in the thumbnails view
*
* @author Kate Arzamastseva <pshns@ukr.net>
*
* @param array $item
* @param int $auth permission level
* @param bool|string $jump item id
* @param bool $display_namespace
*/
function media_printfile_thumbs($item,$auth,$jump=false,$display_namespace=false){
// Prepare filename
$file = utf8_decodeFN($item['file']);
// output
echo '<li><dl title="'.hsc($item['id']).'">'.NL;
echo '<dt>';
if($item['isimg']) {
media_printimgdetail($item, true);
} else {
echo '<a id="d_:'.$item['id'].'" class="image" title="'.$item['id'].'" href="'.
media_managerURL(array('image' => hsc($item['id']), 'ns' => getNS($item['id']),
'tab_details' => 'view')).'">';
echo media_printicon($item['id'], '32x32');
echo '</a>';
}
echo '</dt>'.NL;
if (!$display_namespace) {
$name = hsc($file);
} else {
$name = hsc($item['id']);
}
echo '<dd class="name"><a href="'.media_managerURL(array('image' => hsc($item['id']), 'ns' => getNS($item['id']),
'tab_details' => 'view')).'" id="h_:'.$item['id'].'">'.$name.'</a></dd>'.NL;
if($item['isimg']){
$size = '';
$size .= (int) $item['meta']->getField('File.Width');
$size .= '&#215;';
$size .= (int) $item['meta']->getField('File.Height');
echo '<dd class="size">'.$size.'</dd>'.NL;
} else {
echo '<dd class="size">&#160;</dd>'.NL;
}
$date = dformat($item['mtime']);
echo '<dd class="date">'.$date.'</dd>'.NL;
$filesize = filesize_h($item['size']);
echo '<dd class="filesize">'.$filesize.'</dd>'.NL;
echo '</dl></li>'.NL;
}
/**
* Prints a thumbnail and metainfo
*
* @param array $item
* @param bool $fullscreen
*/
function media_printimgdetail($item, $fullscreen=false){
// prepare thumbnail
$size = $fullscreen ? 90 : 120;
$w = (int) $item['meta']->getField('File.Width');
$h = (int) $item['meta']->getField('File.Height');
if($w>$size || $h>$size){
if (!$fullscreen) {
$ratio = $item['meta']->getResizeRatio($size);
} else {
$ratio = $item['meta']->getResizeRatio($size,$size);
}
$w = floor($w * $ratio);
$h = floor($h * $ratio);
}
$src = ml($item['id'],array('w'=>$w,'h'=>$h,'t'=>$item['mtime']));
$p = array();
if (!$fullscreen) {
// In fullscreen mediamanager view, image resizing is done via CSS.
$p['width'] = $w;
$p['height'] = $h;
}
$p['alt'] = $item['id'];
$att = buildAttributes($p);
// output
if ($fullscreen) {
echo '<a id="l_:'.$item['id'].'" class="image thumb" href="'.
media_managerURL(array('image' => hsc($item['id']), 'ns' => getNS($item['id']), 'tab_details' => 'view')).'">';
echo '<img src="'.$src.'" '.$att.' />';
echo '</a>';
}
if ($fullscreen) return;
echo '<div class="detail">';
echo '<div class="thumb">';
echo '<a id="d_:'.$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>';
}
/**
* Build link based on the current, adding/rewriting parameters
*
* @author Kate Arzamastseva <pshns@ukr.net>
*
* @param array|bool $params
* @param string $amp separator
* @param bool $abs absolute url?
* @param bool $params_array return the parmeters array?
* @return string|array - link or link parameters
*/
function media_managerURL($params=false, $amp='&amp;', $abs=false, $params_array=false) {
global $ID;
global $INPUT;
$gets = array('do' => 'media');
$media_manager_params = array('tab_files', 'tab_details', 'image', 'ns', 'list', 'sort');
foreach ($media_manager_params as $x) {
if ($INPUT->has($x)) $gets[$x] = $INPUT->str($x);
}
if ($params) {
$gets = $params + $gets;
}
unset($gets['id']);
if (isset($gets['delete'])) {
unset($gets['image']);
unset($gets['tab_details']);
}
if ($params_array) return $gets;
return wl($ID,$gets,$abs,$amp);
}
/**
* Print the media upload form if permissions are correct
*
* @author Andreas Gohr <andi@splitbrain.org>
* @author Kate Arzamastseva <pshns@ukr.net>
*
* @param string $ns
* @param int $auth permission level
* @param bool $fullscreen
*/
function media_uploadform($ns, $auth, $fullscreen = false){
global $lang;
global $conf;
global $INPUT;
if($auth < AUTH_UPLOAD) {
echo '<div class="nothing">'.$lang['media_perm_upload'].'</div>'.NL;
return;
}
$auth_ow = (($conf['mediarevisions']) ? AUTH_UPLOAD : AUTH_DELETE);
$update = false;
$id = '';
if ($auth >= $auth_ow && $fullscreen && $INPUT->str('mediado') == 'update') {
$update = true;
$id = cleanID($INPUT->str('image'));
}
// The default HTML upload form
$params = array('id' => 'dw__upload',
'enctype' => 'multipart/form-data');
if (!$fullscreen) {
$params['action'] = DOKU_BASE.'lib/exe/mediamanager.php';
} else {
$params['action'] = media_managerURL(array('tab_files' => 'files',
'tab_details' => 'view'), '&');
}
$form = new Doku_Form($params);
if (!$fullscreen) echo '<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'));
$form->addElement(form_makeTextField('mediaid', noNS($id), $lang['txt_filename'], 'upload__name'));
$form->addElement(form_makeButton('submit', '', $lang['btn_upload']));
$form->addElement(form_makeCloseTag('p'));
if($auth >= $auth_ow){
$form->addElement(form_makeOpenTag('p'));
$attrs = array();
if ($update) $attrs['checked'] = 'checked';
$form->addElement(form_makeCheckboxField('ow', 1, $lang['txt_overwrt'], 'dw__ow', 'check', $attrs));
$form->addElement(form_makeCloseTag('p'));
}
echo NL.'<div id="mediamanager__uploader">'.NL;
html_form('upload', $form);
echo '</div>'.NL;
echo '<p class="maxsize">';
printf($lang['maxuploadsize'],filesize_h(media_getuploadsize()));
echo '</p>'.NL;
}
/**
* Returns the size uploaded files may have
*
* This uses a conservative approach using the lowest number found
* in any of the limiting ini settings
*
* @returns int size in bytes
*/
function media_getuploadsize(){
$okay = 0;
$post = (int) php_to_byte(@ini_get('post_max_size'));
$suho = (int) php_to_byte(@ini_get('suhosin.post.max_value_length'));
$upld = (int) php_to_byte(@ini_get('upload_max_filesize'));
if($post && ($post < $okay || $okay == 0)) $okay = $post;
if($suho && ($suho < $okay || $okay == 0)) $okay = $suho;
if($upld && ($upld < $okay || $okay == 0)) $okay = $upld;
return $okay;
}
/**
* Print the search field form
*
* @author Tobias Sarnowski <sarnowski@cosmocode.de>
* @author Kate Arzamastseva <pshns@ukr.net>
*
* @param string $ns
* @param string $query
* @param bool $fullscreen
*/
function media_searchform($ns,$query='',$fullscreen=false){
global $lang;
// The default HTML search form
$params = array('id' => 'dw__mediasearch');
if (!$fullscreen) {
$params['action'] = DOKU_BASE.'lib/exe/mediamanager.php';
} else {
$params['action'] = media_managerURL(array(), '&');
}
$form = new Doku_Form($params);
$form->addHidden('ns', $ns);
$form->addHidden($fullscreen ? 'mediado' : '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>
*
* @param string $ns
*/
function media_nstree($ns){
global $conf;
global $lang;
// currently selected namespace
$ns = cleanID($ns);
if(empty($ns)){
global $ID;
$ns = (string)getNS($ID);
}
$ns_dir = utf8_encodeFN(str_replace(':','/',$ns));
$data = array();
search($data,$conf['mediadir'],'search_index',array('ns' => $ns_dir, 'nofiles' => true));
// wrap a list with the root level around the other namespaces
array_unshift($data, array('level' => 0, 'id' => '', 'open' =>'true',
'label' => '['.$lang['mediaroot'].']'));
// insert the current ns into the hierarchy if it isn't already part of it
$ns_parts = explode(':', $ns);
$tmp_ns = '';
$pos = 0;
foreach ($ns_parts as $level => $part) {
if ($tmp_ns) $tmp_ns .= ':'.$part;
else $tmp_ns = $part;
// find the namespace parts or insert them
while ($data[$pos]['id'] != $tmp_ns) {
if ($pos >= count($data) || ($data[$pos]['level'] <= $level+1 && strnatcmp(utf8_encodeFN($data[$pos]['id']), utf8_encodeFN($tmp_ns)) > 0)) {
array_splice($data, $pos, 0, array(array('level' => $level+1, 'id' => $tmp_ns, 'open' => 'true')));
break;
}
++$pos;
}
}
echo html_buildlist($data,'idx','media_nstree_item','media_nstree_li');
}
/**
* Userfunction for html_buildlist
*
* Prints a media namespace tree item
*
* @author Andreas Gohr <andi@splitbrain.org>
*
* @param array $item
* @return string html
*/
function media_nstree_item($item){
global $INPUT;
$pos = strrpos($item['id'], ':');
$label = substr($item['id'], $pos > 0 ? $pos + 1 : 0);
if(empty($item['label'])) $item['label'] = $label;
$ret = '';
if (!($INPUT->str('do') == 'media'))
$ret .= '<a href="'.DOKU_BASE.'lib/exe/mediamanager.php?ns='.idfilter($item['id']).'" class="idx_dir">';
else $ret .= '<a href="'.media_managerURL(array('ns' => idfilter($item['id'], false), 'tab_files' => 'files'))
.'" 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>
*
* @param array $item
* @return string html
*/
function media_nstree_li($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';
$alt = '+';
}
// TODO: only deliver an image if it actually has a subtree...
return '<li class="'.$class.'">'.
'<img src="'.$img.'" alt="'.$alt.'" />';
}
/**
* Resizes the given image to the given size
*
* @author Andreas Gohr <andi@splitbrain.org>
*
* @param string $file filename, path to file
* @param string $ext extension
* @param int $w desired width
* @param int $h desired height
* @return string path to resized or original size if failed
*/
function media_resize_image($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]) / $info[0]);
if(!$w) $w = round(($h * $info[0]) / $info[1]);
// we wont scale up to infinity
if($w > 2000 || $h > 2000) return $file;
// resize necessary? - (w,h) = native dimensions
if(($w == $info[0]) && ($h == $info[1])) 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, $h)
) {
if(!empty($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>
*
* @param string $file filename, path to file
* @param string $ext extension
* @param int $w desired width
* @param int $h desired height
* @return string path to resized or original size if failed
*/
function media_crop_image($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;
// check if the crop can be handled completely by resize,
// i.e. the specified width & height match the aspect ratio of the source image
if ($w == round($h*$fr)) {
return media_resize_image($file, $ext, $w);
}
if($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(!empty($conf['fperm'])) @chmod($local, $conf['fperm']);
return media_resize_image($local,$ext, $w, $h);
}
//still here? cropping failed
return media_resize_image($file,$ext, $w, $h);
}
/**
* Calculate a token to be used to verify fetch requests for resized or
* cropped images have been internally generated - and prevent external
* DDOS attacks via fetch
*
* @author Christopher Smith <chris@jalakai.co.uk>
*
* @param string $id id of the image
* @param int $w resize/crop width
* @param int $h resize/crop height
* @return string token or empty string if no token required
*/
function media_get_token($id,$w,$h){
// token is only required for modified images
if ($w || $h || media_isexternal($id)) {
$token = $id;
if ($w) $token .= '.'.$w;
if ($h) $token .= '.'.$h;
return substr(PassHash::hmac('md5', $token, auth_cookiesalt()),0,6);
}
return '';
}
/**
* 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>
*
* @param string $url
* @param string $ext extension
* @param int $cache cachetime in seconds
* @return false|string path to cached file
*/
function media_get_from_URL($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>
*
* @param string $url
* @param string $file path to file in which to put the downloaded content
* @return bool
*/
function media_image_download($url,$file){
global $conf;
$http = new DokuHTTPClient();
$http->keep_alive = false; // we do single ops here, no need for keep-alive
$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>
*
* @param string $ext extension
* @param string $from filename path to file
* @param int $from_w original width
* @param int $from_h original height
* @param string $to path to resized file
* @param int $to_w desired width
* @param int $to_h desired height
* @return bool
*/
function media_resize_imageIM($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>
*
* @param string $ext extension
* @param string $from filename path to file
* @param int $from_w original width
* @param int $from_h original height
* @param string $to path to resized file
* @param int $to_w desired width
* @param int $to_h desired height
* @param int $ofs_x offset of crop centre
* @param int $ofs_y offset of crop centre
* @return bool
*/
function media_crop_imageIM($ext,$from,$from_w,$from_h,$to,$to_w,$to_h,$ofs_x,$ofs_y){
global $conf;
// check if convert is configured
if(!$conf['im_convert']) return false;
// prepare command
$cmd = $conf['im_convert'];
$cmd .= ' -crop '.$to_w.'x'.$to_h.'+'.$ofs_x.'+'.$ofs_y;
if ($ext == 'jpg' || $ext == 'jpeg') {
$cmd .= ' -quality '.$conf['jpg_quality'];
}
$cmd .= " $from $to";
@exec($cmd,$out,$retval);
if ($retval == 0) return true;
return false;
}
/**
* resize or crop images using PHP's libGD support
*
* @author Andreas Gohr <andi@splitbrain.org>
* @author Sebastian Wienecke <s_wienecke@web.de>
*
* @param string $ext extension
* @param string $from filename path to file
* @param int $from_w original width
* @param int $from_h original height
* @param string $to path to resized file
* @param int $to_w desired width
* @param int $to_h desired height
* @param int $ofs_x offset of crop centre
* @param int $ofs_y offset of crop centre
* @return bool
*/
function media_resize_imageGD($ext,$from,$from_w,$from_h,$to,$to_w,$to_h,$ofs_x=0,$ofs_y=0){
global $conf;
if($conf['gdlib'] < 1) return false; //no GDlib available or wanted
// check available memory
if(!is_mem_available(($from_w * $from_h * 4) + ($to_w * $to_h * 4))){
return false;
}
// create an image of the given filetype
$image = false;
if ($ext == 'jpg' || $ext == 'jpeg'){
if(!function_exists("imagecreatefromjpeg")) return false;
$image = @imagecreatefromjpeg($from);
}elseif($ext == 'png') {
if(!function_exists("imagecreatefrompng")) return false;
$image = @imagecreatefrompng($from);
}elseif($ext == 'gif') {
if(!function_exists("imagecreatefromgif")) return false;
$image = @imagecreatefromgif($from);
}
if(!$image) return false;
$newimg = false;
if(($conf['gdlib']>1) && function_exists("imagecreatetruecolor") && $ext != 'gif'){
$newimg = @imagecreatetruecolor ($to_w, $to_h);
}
if(!$newimg) $newimg = @imagecreate($to_w, $to_h);
if(!$newimg){
imagedestroy($image);
return false;
}
//keep png alpha channel if possible
if($ext == 'png' && $conf['gdlib']>1 && function_exists('imagesavealpha')){
imagealphablending($newimg, false);
imagesavealpha($newimg,true);
}
//keep gif transparent color if possible
if($ext == 'gif' && function_exists('imagefill') && function_exists('imagecolorallocate')) {
if(function_exists('imagecolorsforindex') && function_exists('imagecolortransparent')) {
$transcolorindex = @imagecolortransparent($image);
if($transcolorindex >= 0 ) { //transparent color exists
$transcolor = @imagecolorsforindex($image, $transcolorindex);
$transcolorindex = @imagecolorallocate($newimg, $transcolor['red'], $transcolor['green'], $transcolor['blue']);
@imagefill($newimg, 0, 0, $transcolorindex);
@imagecolortransparent($newimg, $transcolorindex);
}else{ //filling with white
$whitecolorindex = @imagecolorallocate($newimg, 255, 255, 255);
@imagefill($newimg, 0, 0, $whitecolorindex);
}
}else{ //filling with white
$whitecolorindex = @imagecolorallocate($newimg, 255, 255, 255);
@imagefill($newimg, 0, 0, $whitecolorindex);
}
}
//try resampling first
if(function_exists("imagecopyresampled")){
if(!@imagecopyresampled($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h)) {
imagecopyresized($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h);
}
}else{
imagecopyresized($newimg, $image, 0, 0, $ofs_x, $ofs_y, $to_w, $to_h, $from_w, $from_h);
}
$okay = false;
if ($ext == 'jpg' || $ext == 'jpeg'){
if(!function_exists('imagejpeg')){
$okay = false;
}else{
$okay = imagejpeg($newimg, $to, $conf['jpg_quality']);
}
}elseif($ext == 'png') {
if(!function_exists('imagepng')){
$okay = false;
}else{
$okay = imagepng($newimg, $to);
}
}elseif($ext == 'gif') {
if(!function_exists('imagegif')){
$okay = false;
}else{
$okay = imagegif($newimg, $to);
}
}
// destroy GD image ressources
if($image) imagedestroy($image);
if($newimg) imagedestroy($newimg);
return $okay;
}
/**
* Return other media files with the same base name
* but different extensions.
*
* @param string $src - ID of media file
* @param string[] $exts - alternative extensions to find other files for
* @return array - array(mime type => file ID)
*
* @author Anika Henke <anika@selfthinker.org>
*/
function media_alternativefiles($src, $exts){
$files = array();
list($srcExt, /* $srcMime */) = mimetype($src);
$filebase = substr($src, 0, -1 * (strlen($srcExt)+1));
foreach($exts as $ext) {
$fileid = $filebase.'.'.$ext;
$file = mediaFN($fileid);
if(file_exists($file)) {
list(/* $fileExt */, $fileMime) = mimetype($file);
$files[$fileMime] = $fileid;
}
}
return $files;
}
/**
* Check if video/audio is supported to be embedded.
*
* @param string $mime - mimetype of media file
* @param string $type - type of media files to check ('video', 'audio', or null for all)
* @return boolean
*
* @author Anika Henke <anika@selfthinker.org>
*/
function media_supportedav($mime, $type=NULL){
$supportedAudio = array(
'ogg' => 'audio/ogg',
'mp3' => 'audio/mpeg',
'wav' => 'audio/wav',
);
$supportedVideo = array(
'webm' => 'video/webm',
'ogv' => 'video/ogg',
'mp4' => 'video/mp4',
);
if ($type == 'audio') {
$supportedAv = $supportedAudio;
} elseif ($type == 'video') {
$supportedAv = $supportedVideo;
} else {
$supportedAv = array_merge($supportedAudio, $supportedVideo);
}
return in_array($mime, $supportedAv);
}
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */