Local_files.class.inc

<?php

require_once ("Files.interface.inc");

class Local_files implements Files{

    var $oProperties;

    function __construct($properties){
        $this->oProperties = $properties;
    }

    /**
     *This method return the extension of a file.
     *@param string $sFilePath File's path.
     *@return string|boolean hash sha1 of file content or false if the file doesn't exist.
     */
    public function getFileEtag($sFilePath){
        if(file_exists($sFilePath)){
            return sha1(file_get_contents($sFilePath), false);
        } else {
            return false;
        }

    }

    /**
     *verify if a file exists.
     *@param string $sFilePath File's path.
     *@return boolean true if file exists, false else.
     */
    public function file_exists ($sFilePath){
        return file_exists($sFilePath);
    }
    /**
     *Write a string in a file.
     *@param string $sFilePath File's path.
     *@param string $sData string to write in this file.
     *@param integer $iFlags flags to write in file (http://php.net/manual/fr/function.file-put-contents.php) Default : 0.
     *@param resource $mContext result de stream_context_create().
     *@return integer|boolean number of byte written, or false if the process encounter an error.
     */
    public function file_put_contents ($sFilePath, $sData, $iFlags = 0, $mContext = null){
        return file_put_contents($sFilePath, $sData, $iFlags, $mContext);
    }
    public function file_get_contents ($sFilePath, $bUseIncludePath = FALSE, $mContext = null, $iOffset = 0, $iMaxLen = -1){
        if ($iMaxLen == -1){
            return file_get_contents ($sFilePath, $bUseIncludePath, null, $iOffset);
        } else {
            return file_get_contents ($sFilePath, $bUseIncludePath, null, $iOffset, $iMaxLen);
        }
    }
    public function file_get_contents_with_etag ($sFilePath, $sEtag ,$bUseIncludePath = FALSE, $mContext = null, $iOffset = 0, $iMaxLen = -1){
        $sProcessedEtag = $this->getFileEtag($sFilePath);
        if ($sEtag == $sProcessedEtag){
            return $this->file_get_contents($sFilePath, $bUseIncludePath, $mContext, $iOffset, $iMaxLen);
        } else {
            return false;
        }
    }
    public function copy ($sSourceFilePath, $sDestFilePath){
        return copy ($sSourceFilePath, $sDestFilePath);
    }
    public function filesize ($sFilePath){
        return filesize($sFilePath);
    }
    public function readfile ($sFilePath, $bUseIncludePath = FALSE, $mContext = null){
        return readfile($sFilePath, $bUseIncludePath, $mContext);
    }
    public function rename ($sSourceFilePath, $sDestFilePath, $mContext = null){
        if(empty($mContext)){
            return rename($sSourceFilePath, $sDestFilePath);
        }else{
            return rename($sSourceFilePath, $sDestFilePath, $mContext);
        }
    }
    public function unlink ($sFilePath, $mContext = null){
        if(empty($mContext)){
            return unlink($sFilePath);
        } else {
            return unlink($sFilePath, $mContext);
        }
    }
    public function filemtime ($sFilePath){
        return filemtime($sFilePath);
    }

    public function filemtime_formated($sFilePath, $sFormat){
        return date ($sFormat, $this->filemtime($sFilePath));
    }
    public function getFileInfos ($sFilePath){
        $iFileSize = $this->filesize($sFilePath);

        $sFileSize = $iFileSize . " octets";
        if($iFileSize > 1024){
            if($iFileSize > 1024*1024){
                if($iFileSize > 1024*1024*1024){
                    $sFileSize = "-";
                } else {
                    $sFileSize = (ceil($iFileSize/(1024*1024))) . "Mo";
                }
            }else{
                $sFileSize = (ceil($iFileSize/1024)) . "Ko";
            }
        }

        $aFileName = explode("/", $sFilePath);

        return array("filename"=>$aFileName[count($aFileName) - 1], "size"=>$sFileSize, "lastModification"=> $this->filemtime_formated ($sFilePath, "d/m/Y H:i:s"), "href" => $this->getProxyPassUrl($sFilePath));
    }
    public function getProxyPassUrl ($sFilePath){
        $date = new DateTime();
        $sDataUrl = $this->oProperties['web_server_name'] . "/rest/vitis/file_downloader?key=[KEY]&eTag=[ETAG]&d=" . $date->getTimestamp();

        $sFileUrl = str_replace("[KEY]", str_replace($this->oProperties['ws_data_dir'], "ws_data" , $sFilePath), $sDataUrl);
        $sFileUrl = str_replace("[ETAG]", sha1(file_get_contents($sFilePath), false), $sFileUrl);

        return $sFileUrl;
    }
}


?>