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attach.lib.php
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<?php
// Classe de gestion de l'action {{attach}}
use Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface;
use YesWiki\Core\Service\HtmlPurifierService;
use YesWiki\Core\Service\LinkTracker;
use YesWiki\Security\Controller\SecurityController;
if (!class_exists('attach')) {
class attach
{
public $wiki = ''; // objet wiki courant
public $attachConfig = []; // configuration de l'action
public $file = ''; // nom du fichier
public $height;
public $width;
public $desc = ''; // description du fichier
public $link = ''; // url de lien (image sensible)
public $caption = ''; // texte de la vignette au survol
public $legend = ''; // texte en dessous de l'image
public $nofullimagelink = ''; // mettre un lien vers l'image entiere
public $isPicture = 0; // indique si c'est une image
public $isAudio = 0; // indique si c'est un fichier audio
public $isFreeMindMindMap = 0; // indique si c'est un fichier mindmap freemind
public $isWma = 0; // indique si c'est un fichier wma
public $isPDF = 0; // indique si c'est un fichier pdf
public $displayPDF = 0; // indique s'il faut afficher le fichier pdf
public $classes = 'attached_file'; // classe pour afficher une image
public $attachErr = ''; // message d'erreur
public $pageId = 0; // identifiant de la page
public $isSafeMode = true; // indicateur du safe mode de PHP
public $data = ''; // indicateur du safe mode de PHP
private $params;
/**
* Constructeur. Met les valeurs par defaut aux parametres de configuration.
*/
public function __construct(&$wiki)
{
$this->wiki = $wiki;
$this->params = $this->wiki->services->get(ParameterBagInterface::class);
$this->attachConfig = $this->params->get('attach_config');
if (!is_array($this->attachConfig)) {
throw new Exception('attach_config should be an array in wakka.config.php');
}
if (empty($this->attachConfig['max_file_size'])) {
$this->attachConfig['max_file_size'] = $this->params->get('max-upload-size');
}
$safemode = $this->wiki->GetConfigValue('no_safe_mode');
if (empty($safemode)) {
if (version_compare(phpversion(), '5.3', '<')) {
// le safe_mode n'existe que pour php < 5.3
$this->isSafeMode = ini_get('safe_mode');
} else {
$this->isSafeMode = true;
}
} else {
$this->isSafeMode = false;
}
}
/******************************************************************************
* FONCTIONS UTILES
*******************************************************************************/
/**
* transforme des valeurs en mega / kilo / giga octets en entier.
*
* @param string $size la taille
*
* @return int
*/
public function parse_size($size)
{
$unit = preg_replace('/[^bkmgtpezy]/i', '', $size); // Remove the non-unit characters from the size.
$size = preg_replace('/[^0-9\.]/', '', $size); // Remove the non-numeric characters from the size.
if ($unit) {
// Find the position of the unit in the ordered string which is the power of magnitude to multiply a kilobyte by.
return round($size * pow(1024, stripos('bkmgtpezy', $unit[0])));
} else {
return round($size);
}
}
/**
* Création d'une suite de répertoires récursivement.
*/
public function mkdir_recursif($dir)
{
if (strlen($dir) == 0) {
return 0;
}
if (is_dir($dir)) {
return 1;
} elseif (dirname($dir) == $dir) {
return 1;
}
return $this->mkdir_recursif(dirname($dir)) and mkdir($dir, 0755);
}
/**
* Renvois le chemin du script.
*/
public function GetScriptPath()
{
return $this->wiki->getBaseUrl() . '/';
// if (preg_match("/.(php)$/i", $_SERVER["PHP_SELF"])) {
// $a = explode('/', $_SERVER["PHP_SELF"]);
// $a[count($a) - 1] = '';
// $path = implode('/', $a);
// } else {
// $path = $_SERVER["PHP_SELF"];
// }
// $http = (isset($_SERVER['HTTPS']) ? 'https://' : 'http://');
// return !empty($_SERVER["HTTP_HOST"]) ?
// $http . $_SERVER["HTTP_HOST"] . $path
// : $http . $_SERVER["SERVER_NAME"] . $path;
}
/**
* Calcul le repertoire d'upload en fonction du safe_mode.
*/
public function GetUploadPath()
{
if ($this->isSafeMode) {
$path = $this->attachConfig['upload_path'];
} else {
$path = $this->attachConfig['upload_path'] . '/' . $this->wiki->GetPageTag();
if (!is_dir($path)) {
$this->mkdir_recursif($path);
}
}
return $path;
}
/**
* Calcul le repertoire de cache en fonction du safe_mode.
*/
public function GetCachePath()
{
if ($this->isSafeMode) {
$path = $this->attachConfig['cache_path'];
} else {
$path = $this->attachConfig['cache_path'] . '/' . $this->wiki->GetPageTag();
if (!is_dir($path)) {
$this->mkdir_recursif($path);
}
}
return $path;
}
/**
* Calcule le nom complet du fichier attaché en fonction du safe_mode, du nom et de la date de
* revision la page courante.
* Le nom du fichier "mon fichier.ext" attache ? la page "LaPageWiki"sera :
* mon_fichier_datepage_update.ext
* update : date de derniere mise a jour du fichier
* datepage : date de revision de la page ? laquelle le fichier a ete lié/mis a jour
* Si le fichier n'est pas une image un '_' est ajoute : mon_fichier_datepage_update.ext_
* Selon la valeur de safe_mode :
* safe_mode = on : LaPageWiki_mon_fichier_datepage_update.ext_
* safe_mode = off: LaPageWiki/mon_fichier_datepage_update.ext_ avec "LaPageWiki" un sous-repertoire du répertoire upload.
*/
public function GetFullFilename($newName = false)
{
// use current date if page has no date that could arrive when using page 'root' via Actions Builder
$pagedate = $this->convertDate(
isset($this->wiki->page['time'])
? $this->wiki->page['time']
: (
$this->wiki->tag == 'root'
? date('Y-m-d H:i:s')
: null // error
)
);
// decompose le nom du fichier en nom+extension ou en page/nom+extension
if (preg_match('`^((.+)/)?(.*)\.(.*)$`', str_replace(' ', '_', $this->file), $match)) {
list(,, $file['page'], $file['name'], $file['ext']) = $match;
if (!$this->isPicture() && !$this->isAudio() && !$this->isVideo() && !$this->isFreeMindMindMap() && !$this->isWma() && !$this->isFlashvideo()) {
$file['ext'] .= '_';
}
} else {
return false;
}
// recuperation du chemin d'upload
$path = $this->GetUploadPath($this->isSafeMode);
$page_tag = $file['page'] ? $file['page'] : $this->wiki->GetPageTag();
// generation du nom ou recherche de fichier ?
if ($newName) {
$full_file_name = $file['name'] . '_' . $pagedate . '_' . $this->getDate() . '.' . $file['ext'];
if ($this->isSafeMode) {
$full_file_name = $path . '/' . $page_tag . '_' . $full_file_name;
} else {
$full_file_name = $path . '/' . $full_file_name;
}
} else {
$isActionBuilderPreview = $this->wiki->GetPageTag() == 'root';
// recherche du fichier
if ($isActionBuilderPreview) {
// bazar action builder, preview action
$searchPattern = '`' . $file['name'] . '_\d{14}_\d{14}\.' . $file['ext'] . '$`';
} elseif ($this->isSafeMode) {
// TODO Recherche dans le cas ou safe_mode=on
$searchPattern = '`^' . $page_tag . '_' . $file['name'] . '_\d{14}_\d{14}\.' . $file['ext'] . '$`';
} else {
$searchPattern = '`^' . $file['name'] . '_\d{14}_\d{14}\.' . $file['ext'] . '$`';
}
$files = $this->searchFiles($searchPattern, $path);
$unedate = 0;
foreach ($files as $file) {
// on garde la dateupload la plus grande
if ($file['dateupload'] > $unedate) {
$theFile = $file;
$unedate = $file['dateupload'];
}
}
if ($isActionBuilderPreview && count($files) > 0) {
$theFile = $files[0];
}
$full_file_name = '';
if (isset($theFile) && is_array($theFile)) {
$full_file_name = $path . '/' . $theFile['realname'];
}
}
return $full_file_name;
}
/**
* Test si le fichier est une image.
*/
public function isPicture($file = null)
{
if ($file == null) {
$file = $this->file;
}
return preg_match('/.(' . $this->attachConfig['ext_images'] . ')$/i', $file) == 1;
}
/**
* Test si le fichier est un fichier audio.
*/
public function isAudio()
{
return preg_match('/.(' . $this->attachConfig['ext_audio'] . ')$/i', $this->file) == 1;
}
/**
* Test si le fichier est un fichier vidéo.
*/
public function isVideo()
{
return preg_match('/.(' . $this->attachConfig['ext_video'] . ')$/i', $this->file) == 1;
}
/**
* Test si le fichier est un fichier freemind mind map.
*/
public function isFreeMindMindMap()
{
return preg_match('/.(' . $this->attachConfig['ext_freemind'] . ')$/i', $this->file) == 1;
}
/**
* Test si le fichier est un fichier flv Flash video.
*/
public function isFlashvideo()
{
return preg_match('/.(' . $this->attachConfig['ext_flashvideo'] . ')$/i', $this->file) == 1;
}
/**
* Test si le fichier est un fichier wma.
*/
public function isWma()
{
return preg_match('/.(' . $this->attachConfig['ext_wma'] . ')$/i', $this->file) == 1;
}
/**
* Test si le fichier est un fichier pdf.
*/
public function isPDF()
{
return preg_match('/.(' . $this->attachConfig['ext_pdf'] . ')$/i', $this->file) == 1;
}
/**
* Renvoie la date courante au format utilise par les fichiers.
*/
public function getDate()
{
return date('YmdHis');
}
/**
* convertie une date yyyy-mm-dd hh:mm:ss au format yyyymmddhhmmss.
*/
public function convertDate($date)
{
if (!is_string($date)) {
return '';
}
$date = str_replace(' ', '', $date);
$date = str_replace(':', '', $date);
return str_replace('-', '', $date);
}
/**
* Parse une date au format yyyymmddhhmmss et renvoie un tableau assiatif.
*/
public function parseDate($sDate)
{
$pattern = '`^(\d{4})(\d{2})(\d{2})(\d{2})(\d{2})(\d{2})$`';
$res = '';
if (preg_match($pattern, $sDate, $m)) {
// list(,$res['year'],$res['month'],$res['day'],$res['hour'],$res['min'],$res['sec'])=$m;
$res = $m[1] . '-' . $m[2] . '-' . $m[3] . ' ' . $m[4] . ':' . $m[5] . ':' . $m[6];
}
return $res ? $res : false;
}
/**
* sanitize filename without special chars - spaces or accents.
*
* @return string $sanitizedFilename
*/
public function sanitizeFilename(string $filename): string
{
$search = ['@[éèêëÊË]@i', '@[àâäÂÄ]@i', '@[îïÎÏ]@i', '@[ûùüÛÜ]@i', '@[ôöÔÖ]@i', '@[ç]@i', '@[ ]@i', '@[^a-zA-Z0-9_\.]@'];
$replace = ['e', 'a', 'i', 'u', 'o', 'c', '_', ''];
$sanitizedFilename = preg_replace($search, $replace, mb_convert_encoding($filename, 'ISO-8859-1', 'UTF-8'));
return $sanitizedFilename;
}
/**
* Decode un nom long de fichier.
*/
public function decodeLongFilename($filename)
{
$afile = [];
$afile['realname'] = basename($filename);
$afile['size'] = file_exists($filename) ? filesize($filename) : null;
$afile['path'] = dirname($filename);
if (preg_match('`^(.*)_(\d{14})_(\d{14})\.(.*)(trash\d{14})?$`', $afile['realname'], $m)) {
$afile['name'] = $m[1];
// suppression du nom de la page si safe_mode=on
if ($this->isSafeMode) {
$afile['name'] = preg_replace('`^(' . $this->wiki->tag . ')_(.*)$`i', '$2', $afile['name']);
}
$afile['datepage'] = $m[2];
$afile['dateupload'] = $m[3];
$afile['trashdate'] = preg_replace('`(.*)trash(\d{14})`', '$2', $m[4]);
// suppression de trashxxxxxxxxxxxxxx eventuel
$afile['ext'] = preg_replace('`^(.*)(trash\d{14})$`', '$1', $m[4]);
$afile['ext'] = rtrim($afile['ext'], '_');
// $afile['ext'] = rtrim($m[4],'_');
}
return $afile;
}
/**
* Renvois un tableau des fichiers correspondant au pattern. Chaque element du tableau est un
* tableau associatif contenant les informations sur le fichier.
*/
public function searchFiles($filepattern, $start_dir)
{
$files_matched = [];
$start_dir = rtrim($start_dir, '\/');
$fh = opendir($start_dir);
while (($file = readdir($fh)) !== false) {
if (strcmp($file, '.') == 0 || strcmp($file, '..') == 0 || is_dir($file)) {
continue;
}
if (preg_match($filepattern, $file)) {
$files_matched[] = $this->decodeLongFilename($start_dir . '/' . $file);
}
}
return $files_matched;
}
/******************************************************************************
* FONCTIONS D'ATTACHEMENTS
*******************************************************************************/
/**
* Test les parametres passes a l'action.
*/
public function CheckParams()
{
// recuperation des parametres necessaire
$this->file = $this->wiki->GetParameter('attachfile');
if (empty($this->file)) {
$this->file = $this->wiki->GetParameter('file');
}
$this->desc = $this->wiki->GetParameter('attachdesc');
if (empty($this->desc)) {
$this->desc = $this->wiki->GetParameter('desc');
}
$this->desc = htmlentities(strip_tags($this->desc)); // avoid XSS
$this->link = $this->wiki->GetParameter('attachlink'); // url de lien - uniquement si c'est une image
if (empty($this->link)) {
$this->link = $this->wiki->GetParameter('link');
}
$this->caption = $this->wiki->GetParameter('caption'); // texte de la vignette (au survol)
$this->legend = $this->wiki->GetParameter('legend'); // texte de la vignette (en dessous)
$this->nofullimagelink = $this->wiki->GetParameter('nofullimagelink');
$this->height = $this->wiki->GetParameter('height');
$this->width = $this->wiki->GetParameter('width');
$this->displayPDF = $this->wiki->GetParameter('displaypdf');
$this->data = $this->wiki->services->get(YesWiki\Templates\Service\Utils::class)->getDataParameter();
// test de validité des parametres
if (empty($this->file)) {
$this->attachErr = '<div class="alert alert-danger"><strong>' . _t('ATTACH_ACTION_ATTACH') . '</strong> : ' . _t('ATTACH_PARAM_FILE_NOT_FOUND') . '.</div>' . "\n";
}
if ($this->isPicture() && empty($this->desc)) {
$this->attachErr = '<div class="alert alert-danger"><strong>' . _t('ATTACH_ACTION_ATTACH') . '</strong> : ' . _t('ATTACH_PARAM_DESC_REQUIRED') . '.</div>' . "\n";
}
if (!empty($this->width) && !ctype_digit(strval($this->width))) {
$this->attachErr = '<div class="alert alert-danger"><strong>' . _t('ATTACH_ACTION_ATTACH') . '</strong> : ' . _t('ATTACH_PARAM_WIDTH_NOT_NUMERIC') . '.</div>' . "\n";
}
if (!empty($this->height) && !ctype_digit(strval($this->height))) {
$this->attachErr = '<div class="alert alert-danger"><strong>' . _t('ATTACH_ACTION_ATTACH') . '</strong> : ' . _t('ATTACH_PARAM_HEIGHT_NOT_NUMERIC') . '.</div>' . "\n";
}
if ($this->wiki->GetParameter('class')) {
$array_classes = explode(' ', $this->wiki->GetParameter('class'));
foreach ($array_classes as $c) {
$this->classes .= ' ' . trim($c);
}
}
$size = $this->wiki->GetParameter('size');
switch ($size) {
case 'small':
$this->width = $this->wiki->config['image-small-width'];
$this->height = $this->wiki->config['image-small-height'];
break;
case 'medium':
$this->width = $this->wiki->config['image-medium-width'];
$this->height = $this->wiki->config['image-medium-height'];
break;
case 'big':
$this->width = $this->wiki->config['image-big-width'];
$this->height = $this->wiki->config['image-big-height'];
break;
}
if (empty($this->height) && !empty($this->width)) {
// on ajuste la hauteur
$this->height = $this->width;
} elseif (!empty($this->height) && empty($this->width)) {
// on ajuste la largeur
$this->width = $this->height;
}
}
/**
* Affiche le fichier lié comme une image.
*/
public function showAsImage($fullFilename)
{
// Generation d'une vignette si absente ou si changement de dimension , TODO : suupprimer ancienne vignette ?
$image_redimensionnee = 0;
if (!preg_match('/.(svg)$/i', $this->file) == 1) {
if ((!empty($this->height)) && (!empty($this->width))) {
// Si des parametres width ou height present : redimensionnement
if (!file_exists($image_dest = $this->getResizedFilename($fullFilename, $this->width, $this->height))) {
$this->redimensionner_image($fullFilename, $image_dest, $this->width, $this->height);
}
$img_name = $image_dest;
} else {
$img_name = $fullFilename;
}
list($width, $height, $type, $attr) = getimagesize($img_name);
} else {
// valeurs par défaut pour le svg
$width = $this->width;
$height = $this->height;
$img_name = $fullFilename;
}
// pour l'image avec bordure on enleve la taille de la bordure!
if (strstr($this->classes, 'whiteborder')) {
$width = $width - 20;
$height = $height - 20;
}
// c'est une image : balise <IMG..../>
$img = '<img loading="lazy" class="img-responsive" src="' . $this->GetScriptPath() . $img_name . '" ' .
'alt="' . $this->desc . ($this->link ? "\nLien vers: $this->link" : '') . '" width="' . $width . '" height="' . $height . '" />';
// test si c'est une image sensible
$classDataForLinks =
strstr($this->classes, 'new-window')
? ' class="new-window"'
: (
strstr($this->classes, 'modalbox')
? ' class="modalbox" data-size="modal-lg"'
: ''
);
if (!empty($this->link)) {
// create link if needed
$linkParts = $this->wiki->extractLinkParts($this->link);
if ($linkParts) {
$this->wiki->services->get(LinkTracker::class)->forceAddIfNotIncluded($linkParts['tag']);
}
$link = '<a href="' . $this->wiki->generateLink($this->link) . '"' . $classDataForLinks . '>';
} else {
if (empty($this->nofullimagelink) or !$this->nofullimagelink) {
$link = '<a href="' . $this->GetScriptPath() . $fullFilename . '"' . $classDataForLinks . '>';
}
}
$caption = '';
if (!empty($this->caption)) {
$caption .= '<figcaption>' . $this->caption . '</figcaption>';
}
$legend = '';
if (!empty($this->legend)) {
$legend .= '<div class="legend">' . $this->legend . '</div>';
}
$data = '';
if (is_array($this->data)) {
foreach ($this->data as $key => $value) {
$data .= ' data-' . $key . '="' . $value . '"';
}
}
$notAligned = (strpos($this->classes, 'left') === false && strpos($this->classes, 'right') == false && strpos($this->classes, 'center') == false);
$output = ($notAligned ? '<div>' : '') . (isset($link) ? $link : '') . "<figure class=\"$this->classes\" $data>$img$caption$legend</figure>" . (isset($link) ? '</a>' : '') . ($notAligned ? '</div>' : '');
echo $output;
// $this->showUpdateLink();
}
/**
* Affiche le fichier lié comme un lien.
*/
public function showAsLink($fullFilename)
{
$url = $this->wiki->href('download', $this->wiki->GetPageTag(), "file=$this->file");
echo '<a href="' . $url . '">' . ($this->desc ? $this->desc : $this->file) . '</a>';
$this->showUpdateLink();
}
// Affiche le fichier liee comme un fichier video
public function showAsVideo($fullFilename)
{
$output = $this->wiki->format(
'{{player url="' . $this->wiki->getBaseUrl() . '/' . $fullFilename . '" type="video" ' .
'height="' . (!empty($height) ? $height : '300px') . '" ' .
'width="' . (!empty($width) ? $width : '400px') . '"}}'
);
echo $output;
$this->showUpdateLink();
}
// Affiche le fichier liee comme un fichier audio
public function showAsAudio($fullFilename)
{
$output = $this->wiki->format('{{player url="' . $this->wiki->getBaseUrl() . '/' . $fullFilename . '" type="audio"}}');
echo $output;
$this->showUpdateLink();
}
// Affiche le fichier liee comme un fichier mind map freemind
public function showAsFreeMindMindMap($fullFilename)
{
$output = $this->wiki->format(
'{{player url="' . $this->wiki->getBaseUrl() . '/' . $fullFilename . '" ' .
'height="' . (!empty($height) ? $height : '650px') . '" ' .
'width="' . (!empty($width) ? $width : '100%') . '"}}'
);
echo $output;
$this->showUpdateLink();
}
// Affiche le fichier liee comme un fichier mind map freemind
public function showAsWma($fullFilename) {}
// End Paste
// Affiche le fichier liee comme un fichier pdf
public function showAsPDF($fullFilename)
{
// Defines parameters for pdf action
// remove '?' and following
$base_url = explode('?', $this->wiki->config['base_url'])[0];
$url = $base_url . $fullFilename;
$this->wiki->setParameter('url', $url);
if (empty($this->wiki->GetParameter('hauteurmax')) && empty($this->wiki->GetParameter('largeurmax'))) {
$this->wiki->setParameter('hauteurmax', $this->wiki->GetParameter('height'));
$this->wiki->setParameter('largeurmax', $this->wiki->GetParameter('width'));
}
// position
$newclass = '';
if (strstr($this->classes, 'right')) {
if (strstr($this->classes, 'pull-right')) {
$newclass = str_replace('right', '', $this->classes);
} else {
$newclass = str_replace('right', 'pull-right', $this->classes);
}
}
if (strstr($this->classes, 'left')) {
if (strstr($this->classes, 'pull-left')) {
$newclass = str_replace('left', '', $this->classes);
} else {
$newclass = str_replace('left', 'pull-left', $this->classes);
}
}
// define class
if ($newclass != '') {
$this->wiki->setParameter('class', $newclass);
}
// Call pdf actions
$params = $this->wiki->parameter;
echo $this->wiki->Action('pdf', 0, $params);
}
/**
* Affiche le lien de mise a jour.
*/
public function showUpdateLink()
{
echo ' <a href="' .
$this->wiki->href('upload', $this->wiki->GetPageTag(), "file=$this->file") .
"\" title='Mise à jour'>" . $this->attachConfig['update_symbole'] . '</a>';
}
/**
* Affiche un liens comme un fichier inexistant.
*/
public function showFileNotExits()
{
$filename = htmlspecialchars($this->file);
echo '<a href="' . $this->wiki->href('upload', $this->wiki->GetPageTag(), "file=$filename") . '" class="btn btn-primary"><i class="fa fa-upload icon-upload icon-white"></i> ' . _t('UPLOAD_FILE') . ' ' . $this->file . '</a>';
}
/**
* Affiche l'attachement.
*/
public function doAttach()
{
$this->CheckParams();
if ($this->attachErr) {
echo $this->attachErr;
return;
}
$fullFilename = $this->GetFullFilename();
// test d'existance du fichier
if ((!file_exists($fullFilename)) || ($fullFilename == '')) {
$this->showFileNotExits();
return;
}
// le fichier existe : affichage en fonction du type
if ($this->isPicture()) {
$this->showAsImage($fullFilename);
} elseif ($this->isVideo() || $this->isFlashvideo()) {
$this->showAsVideo($fullFilename);
} elseif ($this->isAudio()) {
$this->showAsAudio($fullFilename);
} elseif ($this->isFreeMindMindMap()) {
$this->showAsFreeMindMindMap($fullFilename);
} elseif ($this->isWma()) {
$this->showAsWma($fullFilename);
} elseif ($this->isPDF() && $this->displayPDF) {
$this->showAsPDF($fullFilename);
} else {
$this->showAsLink($fullFilename);
}
}
/******************************************************************************
* FONTIONS D'UPLOAD DE FICHIERS
*******************************************************************************/
/**
* Traitement des uploads.
*/
public function doUpload()
{
$HasAccessWrite = $this->wiki->HasAccess('write');
if ($HasAccessWrite) {
switch ($_SERVER['REQUEST_METHOD']) {
case 'GET':
$this->showUploadForm();
break;
case 'POST':
$this->performUpload();
break;
default:
echo '<div class="alert alert-error alert-danger">' . _t('INVALID_REQUEST_METHOD') . "</div>\n";
}
} else {
echo '<div class="alert alert-error alert-danger">' . _t('NO_RIGHT_TO_WRITE_IN_THIS_PAGE') . "</div>\n";
echo $this->wiki->Format(_t('ATTACH_BACK_TO_PAGE') . ' ' . $this->wiki->GetPageTag());
}
}
/**
* Formulaire d'upload.
*/
public function showUploadForm()
{
$this->file = $_GET['file'];
echo '<h3>' . _t('ATTACH_UPLOAD_FORM_FOR_FILE') . ' ' . $this->file . "</h3>\n";
echo '<form enctype="multipart/form-data" name="frmUpload" method="POST" action="' . $this->wiki->href('upload', $this->wiki->GetPageTag()) . "\">\n"
. ' <input type="hidden" name="wiki" value="' . $this->wiki->GetPageTag() . "/upload\" />\n"
. ' <input type="hidden" name="MAX_FILE_SIZE" value="' . $this->attachConfig['max_file_size'] . "\" />\n"
. " <input type=\"hidden\" name=\"file\" value=\"$this->file\" />\n"
. " <input type=\"file\" name=\"upFile\" size=\"50\" /><br />\n"
. ' <input class="btn btn-primary" type="submit" value="' . _t('ATTACH_SAVE') . "\" />\n"
. "</form>\n";
}
/**
* Execute l'upload.
*/
public function performUpload()
{
$this->file = $_POST['file'];
$pathinfo = pathinfo($this->file);
$ext = strtolower($pathinfo['extension']);
if ($this->wiki->config['authorized-extensions'] && !in_array($ext, array_keys($this->wiki->config['authorized-extensions']))) {
$_FILES['upFile']['error'] = 5;
}
$destFile = $this->GetFullFilename(true); // nom du fichier destination
// test de la taille du fichier recu
if ($_FILES['upFile']['error'] == 0) {
$size = filesize($_FILES['upFile']['tmp_name']);
if ($size > $this->attachConfig['max_file_size']) {
$_FILES['upFile']['error'] = 2;
}
}
switch ($_FILES['upFile']['error']) {
case 0:
$srcFile = $_FILES['upFile']['tmp_name'];
if (move_uploaded_file($srcFile, $destFile)) {
chmod($destFile, 0644);
if ($ext === 'svg' || $ext === 'xml') {
$purifier = $this->wiki->services->get(HtmlPurifierService::class);
$purifier->cleanFile($destFile, $ext);
}
header('Location: ' . $this->wiki->href('', $this->wiki->GetPageTag(), ''));
} else {
echo '<div class="alert alert-error alert-danger">' . _t('ERROR_MOVING_TEMPORARY_FILE') . "</div>\n";
}
break;
case 1:
echo '<div class="alert alert-error alert-danger">' . _t('ERROR_UPLOAD_MAX_FILESIZE') . "</div>\n";
break;
case 2:
echo '<div class="alert alert-error alert-danger">' . _t('ERROR_MAX_FILE_SIZE') . "</div>\n";
break;
case 3:
echo '<div class="alert alert-error alert-danger">' . _t('ERROR_PARTIAL_UPLOAD') . "</div>\n";
break;
case 4:
echo '<div class="alert alert-error alert-danger">' . _t('ERROR_NO_FILE_UPLOADED') . "</div>\n";
break;
case 5:
$t = [];
foreach ($this->wiki->config['authorized-extensions'] as $ext => $des) {
$t[] = $ext . ' (' . $des . ')';
}
$these = implode(', ', $t);
echo '<div class="alert alert-error alert-danger">' . _t('ERROR_NOT_AUTHORIZED_EXTENSION') . $these . '.</div>';
break;
}
echo $this->wiki->Format(_t('ATTACH_BACK_TO_PAGE') . ' ' . $this->wiki->GetPageTag());
}
/******************************************************************************
* FUNCTIONS DE DOWNLOAD DE FICHIERS
*******************************************************************************/
public function doDownload()
{
$this->file = $_GET['file'];
$fullFilename = $this->GetUploadPath() . '/' . basename(realpath($this->file) . $this->file);
// $fullFilename = $this->GetUploadPath().'/'.$this->file;
if (!file_exists($fullFilename)) {
$fullFilename = $this->GetFullFilename();
$dlFilename = $this->file;
$size = filesize($fullFilename);
} else {
$file = $this->decodeLongFilename($fullFilename);
$size = $file['size'];
$dlFilename = $file['name'] . '.' . $file['ext'];
}
try {
header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
header('Content-type: application/force-download');
header('Pragma: public');
header('Pragma: no-cache'); // HTTP/1.0
header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
header('Cache-Control: no-store, no-cache, must-revalidate'); // HTTP/1.1
header('Cache-Control: pre-check=0, post-check=0, max-age=0'); // HTTP/1.1
header('Content-Transfer-Encoding: none');
header('Content-Type: application/octet-stream; name="' . $dlFilename . '"'); // This should work for the rest
header('Content-Type: application/octetstream; name="' . $dlFilename . '"'); // This should work for IE & Opera
if (in_array(preg_replace("/^.*\.([^.]+$)/", '$1', $dlFilename), ['txt', 'md', 'png', 'svg', 'jpeg', 'jpg', 'mp3'])) {
header('Content-Type: ' . mime_content_type($fullFilename) . '; name="' . $dlFilename . '"');
}
header('Content-Disposition: attachment; filename="' . $dlFilename . '"');
header('Content-Description: File Transfer');
header("Content-length: $size");
readfile($fullFilename);
} catch (Throwable $th) {
if (!headers_sent()) {
header_remove(null);
header('HTTP/1.0 500 Internal Server Error');
header('Content-Disposition: inline;', true);
header('Content-Type: text/html', true);
}
throw $th;
}
}
/******************************************************************************
* FONTIONS DU FILEMANAGER
*******************************************************************************/
public function doFileManager($isAction = false)
{
$do = (isset($_GET['do']) && $_GET['do']) ? $_GET['do'] : '';
switch ($do) {
case 'restore':
$this->fmRestore();
$this->fmShow(true, $isAction);
break;
case 'erase':
$this->fmErase();
$this->fmShow(true, $isAction);
break;
case 'del':
$this->fmDelete();
$this->fmShow(false, $isAction);
break;
case 'trash':
$this->fmShow(true, $isAction);
break;
case 'emptytrash':
$this->fmEmptyTrash(); // pas de break car apres un emptytrash => retour au gestionnaire
// no break
default:
$this->fmShow(false, $isAction);
}
}
/**
* Controlleur du gestionnaire des fichiers, modifie pour utilisation dans une action {{filemanager}}.
*/
public function doFileManagerAction()
{
$this->doFileManager(true);
}
/**
* Return human readable sizes.
*
* @author Aidan Lister <aidan@php.net>
*
* @version 1.3.0
*
* @see http://aidanlister.com/2004/04/human-readable-file-sizes/
*
* @param int $size size in bytes
* @param string $max maximum unit
* @param string $system 'si' for SI, 'bi' for binary prefixes
* @param string $retstring return string format
*/
public function size_readable($size, $max = null, $system = 'si', $retstring = '%01.2f %s')
{
// Pick units
$systems['si']['prefix'] = ['', 'Ko', 'Mo', 'Go', 'To', 'Po'];
$systems['si']['size'] = 1000;
$systems['bi']['prefix'] = ['B', 'KiB', 'MiB', 'GiB', 'TiB', 'PiB'];
$systems['bi']['size'] = 1024;
$sys = isset($systems[$system]) ? $systems[$system] : $systems['si'];
// Max unit to display
$depth = count($sys['prefix']) - 1;
if ($max && false !== $d = array_search($max, $sys['prefix'])) {
$depth = $d;
}
// Loop
$i = 0;
while ($size >= $sys['size'] && $i < $depth) {
$size /= $sys['size'];
$i++;
}
if ($sys['prefix'][$i] == '') {
$retstring = '%01u %s';
}
return sprintf($retstring, $size, $sys['prefix'][$i]);
}
/**
* Affiche la liste des fichiers, modifiee pour utilisation dans une action {{filemanager}}.
*/
public function fmShowAction($trash = false)
{
$this->fmShow($trash, true);
}
/**
* Affiche la liste des fichiers.
*/
public function fmShow($trash = false, bool $isAction = false)
{
$method = ($this->wiki->GetMethod() != 'show' ? $this->wiki->GetMethod() : '');
$files = $this->fmGetFiles($trash);
if (is_array($files)) {
$files = $this->sortByNameRevFile($files);
$files = array_map(function ($file) {
return array_merge($file, [
'parsedTrashDate' => isset($file['trashdate']) ? $this->parseDate($file['trashdate']) : '',
'parsedDateUpload' => isset($file['dateupload']) ? $this->parseDate($file['dateupload']) : '',
'readableSize' => isset($file['size']) ? $this->size_readable($file['size']) : '',
]);
}, $files);
}
echo $this->wiki->render($isAction
? '@attach/attach-filemanager.twig'
: '@attach/attach-filemanager-handler.twig', [
'tag' => $this->wiki->tag,
'method' => ($this->wiki->GetMethod() != 'show' ? $this->wiki->GetMethod() : ''),
'trash' => $trash,
'files' => $files,
]);
}
/**
* Renvoie la liste des fichiers.
*/
public function fmGetFiles($trash = false)
{
$path = $this->GetUploadPath();
if ($this->isSafeMode) {
$filePattern = '^' . $this->wiki->GetPageTag() . '_.*_\d{14}_\d{14}\..*';
} else {
$filePattern = '^.*_\d{14}_\d{14}\..*';
}
if ($trash) {
$filePattern .= 'trash\d{14}';
} else {
$filePattern .= '[^(trash\d{14})]';
}
return $this->searchFiles('`' . $filePattern . '$`', $path);
}
/**
* Vide la corbeille.
*/
public function fmEmptyTrash()
{
$files = $this->fmGetFiles(true);
foreach ($files as $file) {
$filename = $file['path'] . '/' . $file['realname'];
if (file_exists($filename)) {
unlink($filename);
}
}
}
/**
* Effacement d'un fichier dans la corbeille.
*/
public function fmErase()
{
$path = $this->GetUploadPath();
// Sanitize file path
$filename = $this->GetUploadPath() . '/' . basename(realpath($_GET['file'] ? $_GET['file'] : ''));
// Make sure that the filename ends with trash and a date