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<?php/*attach.class.phpCode original de ce fichier : Eric FELDSTEINCopyright (c) 2002, Hendrik Mans <hendrik@mans.de>Copyright 2002, 2003 David DELONCopyright 2002, 2003 Charles NEPOTECopyright 2003,2004 Eric FELDSTEINCopyright 2003 Jean-Pascal MILCENTAll rights reserved.Redistribution and use in source and binary forms, with or withoutmodification, are permitted provided that the following conditionsare met:1. Redistributions of source code must retain the above copyrightnotice, this list of conditions and the following disclaimer.2. Redistributions in binary form must reproduce the above copyrightnotice, this list of conditions and the following disclaimer in thedocumentation and/or other materials provided with the distribution.3. The name of the author may not be used to endorse or promote productsderived from this software without specific prior written permission.THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS ORIMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIESOF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUTNOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANYTHEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OFTHIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.*/# Classe de gestion de l'action {{attach}}# voir actions/attach.php ppour la documentation# copyrigth Eric Feldstein 2003-2004class attach {var $wiki = ''; //objet wiki courantvar $attachConfig = array(); //configuration de l'actionvar $file = ''; //nom du fichiervar $desc = ''; //description du fichiervar $link = ''; //url de lien (image sensible)var $isPicture = 0; //indique si c'est une imagevar $classes = ''; //classe pour afficher une imagevar $attachErr = ''; //message d'erreurvar $pageId = 0; //identifiant de la pagevar $isSafeMode = false; //indicateur du safe mode de PHP/*** Constructeur. Met les valeurs par defaut aux paramètres de configuration*/function attach(&$wiki){$this->wiki = $wiki;$this->attachConfig = $this->wiki->GetConfigValue("attach_config");if (empty($this->attachConfig["ext_images"])) $this->attachConfig["ext_images"] = "gif|jpeg|png|jpg";if (empty($this->attachConfig["ext_script"])) $this->attachConfig["ext_script"] = "php|php3|asp|asx|vb|vbs|js";if (empty($this->attachConfig['upload_path'])) $this->attachConfig['upload_path'] = 'files';if (empty($this->attachConfig['update_symbole'])) $this->attachConfig['update_symbole'] = '*';if (empty($this->attachConfig['max_file_size'])) $this->attachConfig['max_file_size'] = 1024*100; //100ko maxif (empty($this->attachConfig['fmDelete_symbole'])) $this->attachConfig['fmDelete_symbole'] = 'Supr';if (empty($this->attachConfig['fmRestore_symbole'])) $this->attachConfig['fmRestore_symbole'] = 'Rest';if (empty($this->attachConfig['fmTrash_symbole'])) $this->attachConfig['fmTrash_symbole'] = 'Poubelle';$this->isSafeMode = ini_get("safe_mode");}/******************************************************************************* FONCTIONS UTILES*******************************************************************************//*** Création d'une suite de répertoires récursivement*/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*/function GetScriptPath () {if (preg_match("/.(php)$/i",$_SERVER["PHP_SELF"])){$a = explode('/',$_SERVER["PHP_SELF"]);$a[count($a)-1] = '';$path = implode('/',$a);}else{$path = $_SERVER["PHP_SELF"];}return !empty($_SERVER["HTTP_HOST"])? 'http://'.$_SERVER["HTTP_HOST"].$path : 'http://'.$_SERVER["SERVER_NAME"].$path ;}/*** Calcul le repertoire d'upload en fonction du safe_mode*/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 $path;}/*** Calcule le nom complet du fichier attaché en fonction du safe_mode, du nom et de la date de* revision la page courante.* Le nom du fichier "mon fichier.ext" attache à la page "LaPageWiki"sera :* mon_fichier_datepage_update.ext* update : date de derniere mise a jour du fichier* datepage : date de revision de la page à laquelle le fichier a ete lié/mis a jour* Si le fichier n'est pas une image un '_' est ajoute : mon_fichier_datepage_update.ext_* Selon la valeur de safe_mode :* safe_mode = on : LaPageWiki_mon_fichier_datepage_update.ext_* safe_mode = off: LaPageWiki/mon_fichier_datepage_update.ext_ avec "LaPageWiki" un sous-repertoire du répertoire upload*/function GetFullFilename($newName = false){$pagedate = $this->convertDate($this->wiki->page['time']);//decompose le nom du fichier en nom+extensionif (preg_match('`^(.*)\.(.*)$`', str_replace(' ','_',$this->file), $match)){list(,$file['name'],$file['ext'])=$match;if(!$this->isPicture()) $file['ext'] .= '_';}else{return false;}//recuperation du chemin d'upload$path = $this->GetUploadPath($this->isSafeMode);//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 = $path.'/'.$this->wiki->GetPageTag().'_'.$full_file_name;}else{$full_file_name = $path.'/'.$full_file_name;}}else{//recherche du fichierif($this->isSafeMode){//TODO Recherche dans le cas ou safe_mode=on$searchPattern = '`^'.$this->wiki->GetPageTag().'_'.$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 $file){//recherche du fichier qui une datepage <= a la date de la pageif($file['datepage']<=$pagedate){//puis qui a une dateupload la plus grandeif ($file['dateupload']>$unedate){$theFile = $file;$unedate = $file['dateupload'];}}}if (is_array($theFile)){$full_file_name = $path.'/'.$theFile['realname'];}}return $full_file_name;}/*** Test si le fichier est une image*/function isPicture(){return preg_match("/.(".$this->attachConfig["ext_images"].")$/i",$this->file)==1;}/*** Renvoie la date courante au format utilise par les fichiers*/function getDate(){return date('YmdHis');}/*** convertie une date yyyy-mm-dd hh:mm:ss au format yyyymmddhhmmss*/function convertDate($date){$date = str_replace(' ','', $date);$date = str_replace(':','', $date);return str_replace('-','', $date);}/*** Parse une date au format yyyymmddhhmmss et renvoie un tableau assiatif*/function parseDate($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);}/*** Decode un nom long de fichier*/function decodeLongFilename($filename){$afile = array();$afile['realname'] = basename($filename);$afile['size'] = filesize($filename);$afile['path'] = dirname($filename);if(preg_match('`^(.*)_(\d{14})_(\d{14})\.(.*)(trash\d{14})?$`', $afile['realname'], $m)){$afile['name'] = $m[1];//suppression du nom de la page si safe_mode=onif ($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 $afile;}/*** Renvois un tableau des fichiers correspondant au pattern. Chaque element du tableau est un* tableau associatif contenant les informations sur le fichier*/function searchFiles($filepattern,$start_dir){$files_matched = array();$start_dir = rtrim($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 $files_matched;}/******************************************************************************* FONCTIONS D'ATTACHEMENTS*******************************************************************************//*** Test les paramètres passé à l'action*/function CheckParams(){//recuperation des parametres necessaire$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->link = $this->wiki->GetParameter("attachlink");//url de lien - uniquement si c'est une imageif (empty($this->link)) $this->link = $this->wiki->GetParameter("link");//test de validité des parametresif (empty($this->file)){$this->attachErr = $this->wiki->Format("//action attach : paramètre **file** manquant//---");}if ($this->isPicture() && empty($this->desc)){$this->attachErr .= $this->wiki->Format("//action attach : paramètre **desc** obligatoire pour une image//---");}if ($this->wiki->GetParameter("class")) {$array_classes = explode(" ", $this->wiki->GetParameter("class"));foreach ($array_classes as $c) { $this->classes = $this->classes . "attach_" . $c . " "; }$this->classes = trim($this->classes);}}/*** Affiche le fichier lié comme une image*/function showAsImage($fullFilename){//c'est une image : balise <IMG..../>$img = "<img src=\"".$this->GetScriptPath().$fullFilename."\" "."alt=\"".$this->desc.($this->link?"\nLien vers: $this->link":"")."\" />";//test si c'est une image sensibleif(!empty($this->link)){//c'est une image sensible//test si le lien est un lien interwikiif (preg_match("/^([A-Z][A-Z,a-z]+)[:]([A-Z,a-z,0-9]*)$/s", $this->link, $matches)){ //modifie $link pour être un lien vers un autre wiki$this->link = $this->wiki->GetInterWikiUrl($matches[1], $matches[2]);}//calcule du lien$output = $this->wiki->Format('[['.$this->link." $this->file]]");$output = eregi_replace(">$this->file<",">$img<",$output);//insertion du tag <img...> dans le lien}else{//ce n'est pas une image sensible$output = $img;}$output = ($this->classes?"<span class=\"$this->classes\">$output</span>":$output);echo $output;$this->showUpdateLink();}/*** Affiche le fichier lié comme un lien*/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 lien de mise à jour*/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*/function showFileNotExits(){echo $this->file."<a href=\"".$this->wiki->href("upload",$this->wiki->GetPageTag(),"file=$this->file")."\">?</a>";}/*** Affiche l'attachement*/function doAttach(){$this->CheckParams();if ($this->attachErr) {echo $this->attachErr;return;}$fullFilename = $this->GetFullFilename();//test d'existance du fichierif((!file_exists($fullFilename))||($fullFilename=='')){$this->showFileNotExits();return;}//le fichier existe : affichage en fonction du typeif($this->isPicture()){$this->showAsImage($fullFilename);}else{$this->showAsLink($fullFilename);}}/******************************************************************************* FONTIONS D'UPLOAD DE FICHIERS*******************************************************************************//*** Traitement des uploads*/function doUpload(){$HasAccessWrite=$this->wiki->HasAccess("write");if ($HasAccessWrite){switch ($_SERVER["REQUEST_METHOD"]) {case 'GET' : $this->showUploadForm(); break;case 'POST': $this->performUpload(); break;default : echo $this->wiki->Format("//Methode de requete invalide//---");}}else{echo $this->wiki->Format("//Vous n'avez pas l'accès en écriture à cette page//---");echo $this->wiki->Format("Retour à la page ".$this->wiki->GetPageTag());}}/*** Formulaire d'upload*/function showUploadForm(){echo $this->wiki->Format("====Formulaire d'envois de fichier====\n---");$this->file = $_GET['file'];echo $this->wiki->Format("**Envois du fichier $this->file :**\n")."<form enctype=\"multipart/form-data\" name=\"frmUpload\" method=\"POST\" action=\"".$_SERVER["PHP_SELF"]."\">\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=\"$this->file\" />\n"." <input type=\"file\" name=\"upFile\" size=\"50\" /><br />\n"." <input type=\"submit\" value=\"Envoyer\" />\n"."</form>\n";}/*** Execute l'upload*/function performUpload(){$this->file = $_POST['file'];$destFile = $this->GetFullFilename(true); //nom du fichier destination//test de la taille du fichier recuif($_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);header("Location: ".$this->wiki->href("",$this->wiki->GetPageTag(),""));}else{echo $this->wiki->Format("//Erreur lors du déplacement du fichier temporaire//---");}break;case 1:echo $this->wiki->Format("//Le fichier téléchargé excède la taille de upload_max_filesize, configuré dans le php.ini.//---");break;case 2:echo $this->wiki->Format("//Le fichier téléchargé excède la taille de MAX_FILE_SIZE, qui a été spécifiée dans le formulaire HTML.//---");break;case 3:echo $this->wiki->Format("//Le fichier n'a été que partiellement téléchargé.//---");break;case 4:echo $this->wiki->Format("//Aucun fichier n'a été téléchargé.//---");break;}echo $this->wiki->Format("Retour à la page ".$this->wiki->GetPageTag());}/******************************************************************************* FUNCTIONS DE DOWNLOAD DE FICHIERS*******************************************************************************/function doDownload(){$this->file = $_GET['file'];$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'];}header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");header("Content-type: application/force-download");header('Pragma: public');header("Pragma: no-cache");// HTTP/1.0header('Last-Modified: '.gmdate('D, d M Y H:i:s') . ' GMT');header('Cache-Control: no-store, no-cache, must-revalidate'); // HTTP/1.1header('Cache-Control: pre-check=0, post-check=0, max-age=0'); // HTTP/1.1header('Content-Transfer-Encoding: none');header('Content-Type: application/octet-stream; name="' . $dlFilename . '"'); //This should work for the restheader('Content-Type: application/octetstream; name="' . $dlFilename . '"'); //This should work for IE & Operaheader('Content-Type: application/download; name="' . $dlFilename . '"'); //This should work for IE & Operaheader('Content-Disposition: attachment; filename="'.$dlFilename.'"');header("Content-Description: File Transfer");header("Content-length: $size".'bytes');readfile($fullFilename);}/******************************************************************************* FONTIONS DU FILEMANAGER*******************************************************************************/function doFileManager(){$do = $_GET['do']?$_GET['do']:'';switch ($do){case 'restore' :$this->fmRestore();$this->fmShow(true);break;case 'erase' :$this->fmErase();$this->fmShow(true);break;case 'del' :$this->fmDelete();$this->fmShow();break;case 'trash' :$this->fmShow(true); break;case 'emptytrash' :$this->fmEmptyTrash(); //pas de break car apres un emptytrash => retour au gestionnairedefault :$this->fmShow();}}/*** Affiche la liste des fichiers*/function fmShow($trash=false){$fmTitlePage = $this->wiki->Format("====Gestion des fichiers attachés à la page ".$this->wiki->tag."====\n---");if($trash){//Avertissement$fmTitlePage .= '<div class="prev_alert">Les fichiers effacés sur cette page le sont définitivement</div>';//Pied du tableau$url = $this->wiki->Link($this->wiki->tag,'filemanager','Gestion des fichiers');$fmFootTable = ' <tfoot>'."\n".' <tr>'."\n".' <td colspan="6">'.$url.'</td>'."\n";$url = $this->wiki->Link($this->wiki->tag,'filemanager&do=emptytrash','Vider la poubelle');$fmFootTable.= ' <td>'.$url.'</td>'."\n".' </tr>'."\n".' </tfoot>'."\n";}else{//pied du tableau$url = '<a href="'.$this->wiki->href('filemanager',$this->wiki->GetPageTag(),'do=trash').'" title="Poubelle">'.$this->attachConfig['fmTrash_symbole']."</a>";$fmFootTable = ' <tfoot>'."\n".' <tr>'."\n".' <td colspan="6">'.$url.'</td>'."\n".' </tr>'."\n".' </tfoot>'."\n";}//entete du tableau$fmHeadTable = ' <thead>'."\n".' <tr>'."\n".' <td> </td>'."\n".' <td>Nom du fichier</td>'."\n".' <td>Nom réel du fichier</td>'."\n".' <td>Taille</td>'."\n".' <td>Révision de la page</td>'."\n".' <td>Révison du fichier</td>'."\n";if($trash){$fmHeadTable.= ' <td>Suppression</td>'."\n";}$fmHeadTable.= ' </tr>'."\n".' </thead>'."\n";//corps du tableau$files = $this->fmGetFiles($trash);$files = $this->sortByNameRevFile($files);$fmBodyTable = ' <tbody>'."\n";$i = 0;foreach ($files as $file){$i++;$color= ($i%2?"tableFMCol1":"tableFMCol2");//lien de suppressionif ($trash){$url = $this->wiki->href('filemanager',$this->wiki->GetPageTag(),'do=erase&file='.$file['realname']);}else{$url = $this->wiki->href('filemanager',$this->wiki->GetPageTag(),'do=del&file='.$file['realname']);}$dellink = '<a href="'.$url.'" title="Supprimer">'.$this->attachConfig['fmDelete_symbole']."</a>";//lien de restauration$restlink = '';if ($trash){$url = $this->wiki->href('filemanager',$this->wiki->GetPageTag(),'do=restore&file='.$file['realname']);$restlink = '<a href="'.$url.'" title="Restaurer">'.$this->attachConfig['fmRestore_symbole']."</a>";}//lien pour downloader le fichier$url = $this->wiki->href("download",$this->wiki->GetPageTag(),"file=".$file['realname']);$dlLink = '<a href="'.$url.'">'.$file['name'].'.'.$file['ext']."</a>";$fmBodyTable .= ' <tr class="'.$color.'">'."\n".' <td>'.$dellink.' '.$restlink.'</td>'."\n".' <td>'.$dlLink.'</td>'."\n".' <td>'.$file['realname'].'</td>'."\n".' <td>'.$file['size'].'</td>'."\n".' <td>'.$this->parseDate($file['datepage']).'</td>'."\n".' <td>'.$this->parseDate($file['dateupload']).'</td>'."\n";if($trash){$fmBodyTable.= ' <td>'.$this->parseDate($file['trashdate']).'</td>'."\n";}$fmBodyTable .= ' </tr>'."\n";}$fmBodyTable .= ' </tbody>'."\n";//pied de la page$fmFooterPage = "---\n-----\n[[".$this->wiki->tag." Retour à la page ".$this->wiki->tag."]]\n";//affichageecho $fmTitlePage."\n";echo '<table class="tableFM" border="0" cellspacing="0">'."\n".$fmHeadTable.$fmFootTable.$fmBodyTable.'</table>'."\n";echo $this->wiki->Format($fmFooterPage);}/*** Renvoie la liste des fichiers*/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.'$`', $path);}/*** Vide la poubelle*/function fmEmptyTrash(){$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 poubelle*/function fmErase(){$path = $this->GetUploadPath();$filename = $path.'/'.($_GET['file']?$_GET['file']:'');if (file_exists($filename)){unlink($filename);}}/*** Met le fichier a la poubelle*/function fmDelete(){$path = $this->GetUploadPath();$filename = $path.'/'.($_GET['file']?$_GET['file']:'');if (file_exists($filename)){$trash = $filename.'trash'.$this->getDate();rename($filename, $trash);}}/*** Restauration d'un fichier mis a la poubelle*/function fmRestore(){$path = $this->GetUploadPath();$filename = $path.'/'.($_GET['file']?$_GET['file']:'');if (file_exists($filename)){$restFile = preg_replace('`^(.*\..*)trash\d{14}$`', '$1', $filename);rename($filename, $restFile);}}/*** Tri tu tableau liste des fichiers par nom puis par date de revision(upload) du fichier, ordre croissant*/function sortByNameRevFile($files){if (!function_exists('ByNameByRevFile')){function ByNameByRevFile($f1,$f2){$f1Name = $f1['name'].'.'.$f1['ext'];$f2Name = $f2['name'].'.'.$f2['ext'];$res = strcasecmp($f1Name, $f2Name);if($res==0){//si meme nom => compare la revision du fichier$res = strcasecmp($f1['dateupload'], $f2['dateupload']);}return $res;}}usort($files,'ByNameByRevFile');return $files;}}?>