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-rwxr-xr-xinc/lib_files.php408
1 files changed, 291 insertions, 117 deletions
diff --git a/inc/lib_files.php b/inc/lib_files.php
index 9c6cb25346a..2e77067b4a7 100755
--- a/inc/lib_files.php
+++ b/inc/lib_files.php
@@ -29,132 +29,306 @@
*/
class OC_FILES {
- /**
- * show a web GUI filebrowser
- *
- * @param basedir $basedir
- * @param dir $dir
- */
- public static function showbrowser($basedir,$dir){/*
- global $CONFIG_DATEFORMAT;
- global $WEBROOT;
+ /**
+ * show a web GUI filebrowser
+ *
+ * @param basedir $basedir
+ * @param dir $dir
+ */
+ public static function showbrowser($basedir,$dir){
+ echo '<div id="content"></div>';
+ }
- $directory=$basedir.'/'.$dir;
+ /**
+ * get the content of a directory
+ * @param dir $directory
+ */
+ public static function getdirectorycontent($directory){
+ $filesfound=true;
+ $content=array();
+ $dirs=array();
+ $file=array();
+ $files=array();
+ if (is_dir($directory)) {
+ if ($dh = opendir($directory)) {
+ while (($filename = readdir($dh)) !== false) {
+ if($filename<>'.' and $filename<>'..'){
+ $file=array();
+ $filesfound=true;
+ $file['name']=$filename;
+ $file['directory']=$directory;
+ $stat=stat($directory.'/'.$filename);
+ $file=array_merge($file,$stat);
+ $file['mime']=OC_FILES::getMimeType($directory .'/'. $filename);
+ $file['type']=filetype($directory .'/'. $filename);
+ if($file['type']=='dir'){
+ $dirs[$file['name']]=$file;
+ }else{
+ $files[$file['name']]=$file;
+ }
+ }
+ }
+ closedir($dh);
+ }
+ }
+ ksort($dirs);
+ ksort($files);
+ $content=array_merge($dirs,$files);
+ if($filesfound){
+ return $content;
+ }else{
+ return false;
+ }
+ }
- // exit if try to access files outside our directory
- if(strstr($dir,'..')<>false) exit();
- $directory=realpath($directory);
-
- $dirs=explode('/',$dir);
-
- // breadcrumb
- if(count($dirs)>1) {
- echo('<div class="center"><table cellpadding="2" cellspacing="0" border="0"><tr>');
- echo('<td class="nametext"><a href="'.$WEBROOT.'/">home</a></td>');
- $currentdir='';
- foreach($dirs as $d) {
- $currentdir.='/'.$d.'';
- if($d<>'') echo('<td class="nametext"><a href="'.$WEBROOT.'/?dir='.$currentdir.'"><img src="'.$WEBROOT.'/img/arrow.png" />&nbsp;'.$d.'</a></td>');
- }
- echo('</tr></table></div>');
- }
-
- // files and directories
- echo('<div class="center"><table cellpadding="6" cellspacing="0" border="0" class="browser">');
- $filesfound=false;
- $content=self::getdirectorycontent($directory);
- if($content){
- foreach($content as $file){
- echo('<tr class="browserline">');
- OC_UTIL::showicon($file['type']);
- if($file['type']=='dir') echo('<td class="nametext"><a href="'.$WEBROOT.'/?dir='.$dir.'/'.$file['name'].'">'.$file['name'].'</a></td>');
- if($file['type']<>'dir') echo('<td class="nametext"><a href="'.$WEBROOT.'/?dir='.$dir.'&file='.$file['name'].'">'.$file['name'].'</a></td>');
- if($file['type']<>'dir') echo('<td class="sizetext">'.$file['size'].' byte</td>'); else echo('<td></td>');
- echo('<td class="sizetext">'.date($CONFIG_DATEFORMAT,$file['mtime']).'</td>');
- echo('</tr>');
- }
- }
- echo('</table>');
- if(!$content) echo('<p>no files here</p>');
- echo('</div>');*/
- echo '<div id="content"></div>';
- }
-
- /**
- * get the content of a directory
- * @param dir $directory
- */
- public static function getdirectorycontent($directory){
- $filesfound=true;
- $content=array();
- $dirs=array();
- $file=array();
- $files=array();
- if (is_dir($directory)) {
- if ($dh = opendir($directory)) {
- while (($filename = readdir($dh)) !== false) {
- if($filename<>'.' and $filename<>'..'){
- $file=array();
- $filesfound=true;
- $file['name']=$filename;
- $file['directory']=$directory;
- $stat=stat($directory.'/'.$filename);
- $file=array_merge($file,$stat);
- $file['type']=filetype($directory .'/'. $filename);
- if($file['type']=='dir'){
- $dirs[$file['name']]=$file;
- }else{
- $files[$file['name']]=$file;
- }
- }
- }
- closedir($dh);
- }
- }
- ksort($dirs);
- ksort($files);
- $content=array_merge($dirs,$files);
- if($filesfound){
- return $content;
- }else{
- return false;
- }
- }
+ /**
+ * return the content of a file or return a zip file containning multiply files
+ *
+ * @param dir $dir
+ * @param file $file
+ */
+ public static function get($dir,$files){
+ global $CONFIG_DATADIRECTORY;
+ if(strstr($files,'..') or strstr($dir,'..')){
+ die();
+ }
+ if(is_array($files)){
+ $zip = new ZipArchive();
+ $filename = sys_get_temp_dir()."/ownCloud.zip";
+ if ($zip->open($filename, ZIPARCHIVE::CREATE)!==TRUE) {
+ exit("cannot open <$filename>\n");
+ }
+ foreach($files as $file){
+ $file=$CONFIG_DATADIRECTORY.'/'.$dir.'/'.$file;
+ if(is_file($file)){
+ $zip->addFile($file,basename($file));
+ }elseif(is_dir($file)){
+ zipAddDir($file,$zip);
+ }
+ }
+ $zip->close();
+ }elseif(is_dir($CONFIG_DATADIRECTORY.'/'.$dir.'/'.$files)){
+ $zip = new ZipArchive();
+ $filename = sys_get_temp_dir()."/ownCloud.zip";
+ if ($zip->open($filename, ZIPARCHIVE::CREATE)!==TRUE) {
+ exit("cannot open <$filename>\n");
+ }
+ $file=$CONFIG_DATADIRECTORY.'/'.$dir.'/'.$files;
+ zipAddDir($file,$zip);
+ $zip->close();
+ }else{
+ $zip=false;
+ $filename=$CONFIG_DATADIRECTORY.'/'.$dir.'/'.$files;
+ }
+ header('Content-Description: File Transfer');
+ header('Content-Type: application/octet-stream');
+ header('Content-Disposition: attachment; filename='.basename($filename));
+ header('Content-Transfer-Encoding: binary');
+ header('Expires: 0');
+ header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
+ header('Pragma: public');
+ header('Content-Length: ' . filesize($filename));
+ ob_end_clean();
+ readfile($filename);
+ if($zip){
+ unlink($filename);
+ }
+ }
+
+ /**
+ * move a file or folder
+ *
+ * @param dir $sourceDir
+ * @param file $source
+ * @param dir $targetDir
+ * @param file $target
+ */
+ public static function move($sourceDir,$source,$targetDir,$target){
+ global $CONFIG_DATADIRECTORY;
+ if(OC_USER::isLoggedIn() and strpos($sourceDir,'..')===false and strpos($source,'..')===false and strpos($targetDir,'..')===false and strpos($target,'..')===false){
+ $targetFile=$CONFIG_DATADIRECTORY.'/'.$targetDir.'/'.$target;
+ $sourceFile=$CONFIG_DATADIRECTORY.'/'.$sourceDir.'/'.$source;
+ rename($sourceFile,$targetFile);
+ }
+ }
+
+ /**
+ * create a new file or folder
+ *
+ * @param dir $dir
+ * @param file $name
+ * @param type $type
+ */
+ public static function newfile($dir,$name,$type){
+ global $CONFIG_DATADIRECTORY;
+ if(OC_USER::isLoggedIn() and strpos($dir,'..')===false and strpos($name,'..')===false){
+ $file=$CONFIG_DATADIRECTORY.'/'.$dir.'/'.$name;
+ if($type=='dir'){
+ mkdir($file);
+ }elseif($type=='file'){
+ $fileHandle=fopen($file, 'w') or die("can't open file");
+ fclose($fileHandle);
+ }
+ }
+ }
+
+ /**
+ * deletes a file or folder
+ *
+ * @param dir $dir
+ * @param file $name
+ */
+ public static function delete($dir,$file){
+ global $CONFIG_DATADIRECTORY;
+ if(OC_USER::isLoggedIn() and strpos($dir,'..')===false){
+ $file=$CONFIG_DATADIRECTORY.'/'.$dir.'/'.$file;
+ if(is_file($file)){
+ unlink($file);
+ }elseif(is_dir($file)){
+ rmdir($file);
+ }
+ }
+ }
+
+ /**
+ * try to detect the mime type of a file
+ *
+ * @param string file path
+ * @return string guessed mime type
+ */
+ function getMimeType($fspath){
+ if (@is_dir($fspath)) {
+ // directories are easy
+ return "httpd/unix-directory";
+ } else if (function_exists("mime_content_type")) {
+ // use mime magic extension if available
+ $mime_type = mime_content_type($fspath);
+ } else if (OC_FILES::canExecute("file")) {
+ // it looks like we have a 'file' command,
+ // lets see it it does have mime support
+ $fp = popen("file -i '$fspath' 2>/dev/null", "r");
+ $reply = fgets($fp);
+ pclose($fp);
+
+ // popen will not return an error if the binary was not found
+ // and find may not have mime support using "-i"
+ // so we test the format of the returned string
+
+ // the reply begins with the requested filename
+ if (!strncmp($reply, "$fspath: ", strlen($fspath)+2)) {
+ $reply = substr($reply, strlen($fspath)+2);
+ // followed by the mime type (maybe including options)
+ if (preg_match('/^[[:alnum:]_-]+/[[:alnum:]_-]+;?.*/', $reply, $matches)) {
+ $mime_type = $matches[0];
+ }
+ }
+ }
+ if (empty($mime_type)) {
+ // Fallback solution: try to guess the type by the file extension
+ // TODO: add more ...
+ switch (strtolower(strrchr(basename($fspath), "."))) {
+ case ".html":
+ $mime_type = "text/html";
+ break;
+ case ".txt":
+ $mime_type = "text/plain";
+ break;
+ case ".css":
+ $mime_type = "text/css";
+ break;
+ case ".gif":
+ $mime_type = "image/gif";
+ break;
+ case ".jpg":
+ $mime_type = "image/jpeg";
+ break;
+ case ".jpg":
+ $mime_type = "png/jpeg";
+ break;
+ default:
+ $mime_type = "application/octet-stream";
+ break;
+ }
+ }
+
+ return $mime_type;
+ }
+
+ /**
+ * detect if a given program is found in the search PATH
+ *
+ * helper function used by _mimetype() to detect if the
+ * external 'file' utility is available
+ *
+ * @param string program name
+ * @param string optional search path, defaults to $PATH
+ * @return bool true if executable program found in path
+ */
+ function canExecute($name, $path = false)
+ {
+ // path defaults to PATH from environment if not set
+ if ($path === false) {
+ $path = getenv("PATH");
+ }
+
+ // check method depends on operating system
+ if (!strncmp(PHP_OS, "WIN", 3)) {
+ // on Windows an appropriate COM or EXE file needs to exist
+ $exts = array(".exe", ".com");
+ $check_fn = "file_exists";
+ } else {
+ // anywhere else we look for an executable file of that name
+ $exts = array("");
+ $check_fn = "is_executable";
+ }
+
+ // now check the directories in the path for the program
+ foreach (explode(PATH_SEPARATOR, $path) as $dir) {
+ // skip invalid path entries
+ if (!file_exists($dir)) continue;
+ if (!is_dir($dir)) continue;
- /**
- * return the cntent of a file
- *
- * @param dir $dir
- * @param file $file
- */
- public static function get($dir,$file){
- if(isset($_SESSION['username']) and $_SESSION['username']<>'') {
- global $CONFIG_DATADIRECTORY;
- $filename=$CONFIG_DATADIRECTORY.'/'.$dir.'/'.$file;
+ // and now look for the file
+ foreach ($exts as $ext) {
+ if ($check_fn("$dir/$name".$ext)) return true;
+ }
+ }
- // exit if try to access files outside our directory
- if(strstr($filename,'..')<>false) exit();
+ return false;
+ }
- OC_LOG::event($_SESSION['username'],3,$dir.'/'.$file);
+}
- header('Content-Description: File Transfer');
- header('Content-Type: application/octet-stream');
- header('Content-Disposition: attachment; filename='.basename($file));
- header('Content-Transfer-Encoding: binary');
- header('Expires: 0');
- header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
- header('Pragma: public');
- header('Content-Length: ' . filesize($filename));
- readfile($filename);
+function zipAddDir($dir,$zip,$internalDir=''){
+ $dirname=basename($dir);
+ $zip->addEmptyDir($internalDir.$dirname);
+ $internalDir.=$dirname.='/';
+ $files=OC_FILES::getdirectorycontent($dir);
+ foreach($files as $file){
+ $filename=$file['name'];
+ $file=$dir.'/'.$filename;
+ if(is_file($file)){
+ $zip->addFile($file,$internalDir.$filename);
+ }elseif(is_dir($file)){
+ zipAddDir($file,$zip,$internalDir);
+ }
}
- exit;
- }
-
-
}
+if(!function_exists('sys_get_temp_dir')) {
+ function sys_get_temp_dir() {
+ if( $temp=getenv('TMP') ) return $temp;
+ if( $temp=getenv('TEMP') ) return $temp;
+ if( $temp=getenv('TMPDIR') ) return $temp;
+ $temp=tempnam(__FILE__,'');
+ if (file_exists($temp)) {
+ unlink($temp);
+ return dirname($temp);
+ }
+ return null;
+ }
+}
-
-?>
+?> \ No newline at end of file
generated by cgit v1.2.3 (git 2.39.1) at 2025-06-02 18:24:08 +0000