125 lines
3.6 KiB
PHP
125 lines
3.6 KiB
PHP
<?php
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/**
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* ownCloud
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*
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* @author Michael Gapczynski
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* @copyright 2012 Michael Gapczynski GapczynskiM@gmail.com
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
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* License as published by the Free Software Foundation; either
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* version 3 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
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*
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* You should have received a copy of the GNU Affero General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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abstract class OC_Filestorage_Common extends OC_Filestorage {
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public function __construct($parameters){}
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// abstract public function mkdir($path);
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// abstract public function rmdir($path);
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// abstract public function opendir($path);
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public function is_dir($path){
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return $this->filetype($path)=='dir';
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}
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public function is_file($path){
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return $this->filetype($path)=='file';
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}
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// abstract public function stat($path);
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// abstract public function filetype($path);
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public function filesize($path) {
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if($this->is_dir($path)){
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return 0;//by definition
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}else{
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$stat = $this->stat($path);
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return $stat['size'];
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}
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}
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// abstract public function is_readable($path);
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// abstract public function is_writable($path);
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// abstract public function file_exists($path);
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public function filectime($path) {
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$stat = $this->stat($path);
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return $stat['ctime'];
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}
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public function filemtime($path) {
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$stat = $this->stat($path);
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return $stat['mtime'];
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}
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public function fileatime($path) {
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$stat = $this->stat($path);
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return $stat['atime'];
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}
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public function file_get_contents($path) {
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$handle = $this->fopen($path, "r");
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return fread($handle, $this->filesize($path));
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}
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public function file_put_contents($path,$data) {
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$handle = $this->fopen($path, "w");
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return fwrite($handle, $data);
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}
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// abstract public function unlink($path);
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public function rename($path1,$path2){
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if($this->copy($path1,$path2)){
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return $this->unlink($path1);
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}else{
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return false;
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}
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}
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public function copy($path1,$path2) {
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$source=$this->fopen($path1,'r');
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$target=$this->fopen($path2,'w');
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$count=OC_Helper::streamCopy($source,$target);
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return $count>0;
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}
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// abstract public function fopen($path,$mode);
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public function getMimeType($path){
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if(!$this->file_exists($path)){
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return false;
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}
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if($this->is_dir($path)){
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return 'httpd/unix-directory';
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}
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$source=$this->fopen($path,'r');
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if(!$source){
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return false;
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}
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$head=fread($source,8192);//8kb should suffice to determine a mimetype
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$extention=substr($path,strrpos($path,'.'));
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$tmpFile=OC_Helper::tmpFile($extention);
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file_put_contents($tmpFile,$head);
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$mime=OC_Helper::getMimeType($tmpFile);
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unlink($tmpFile);
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return $mime;
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}
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public function hash($type,$path,$raw){
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$tmpFile=$this->getLocalFile();
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$hash=hash($type,$tmpFile,$raw);
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unlink($tmpFile);
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return $hash;
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}
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// abstract public function free_space($path);
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// abstract public function search($query);
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public function getLocalFile($path){
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return $this->toTmpFile($path);
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}
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private function toTmpFile($path){//no longer in the storage api, still usefull here
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$source=$this->fopen($path,'r');
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if(!$source){
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return false;
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}
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$extention=substr($path,strrpos($path,'.'));
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$tmpFile=OC_Helper::tmpFile($extention);
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$target=fopen($tmpFile,'w');
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$count=OC_Helper::streamCopy($source,$target);
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return $tmpFile;
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}
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}
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