DiscuzX/upload/uc_server/lib/upload.class.php

292 lines
8.1 KiB
PHP

<?php
/*
[UCenter] (C)2001-2099 Comsenz Inc.
This is NOT a freeware, use is subject to license terms
$Id: upload.class.php 1059 2011-03-01 07:25:09Z monkey $
*/
Class upload{
var $dir;
var $thumb_width;
var $thumb_height;
var $thumb_ext;
var $watermark_file;
var $watermark_pos;
var $watermark_alpha;
var $time;
var $filetypedata = array();
var $filetypeids = array();
var $filetypes = array();
function upload($time = 0) {
$this->time = $time ? $time : time();
$this->filetypedata = array(
'av' => array('av', 'wmv', 'wav'),
'real' => array('rm', 'rmvb'),
'binary' => array('dat'),
'flash' => array('swf'),
'html' => array('html', 'htm'),
'image' => array('gif', 'jpg', 'jpeg', 'png', 'bmp'),
'office' => array('doc', 'xls', 'ppt'),
'pdf' => array('pdf'),
'rar' => array('rar', 'zip'),
'text' => array('txt'),
'bt' => array('bt'),
'zip' => array('tar', 'rar', 'zip', 'gz'),
);
$this->filetypeids = array_keys($this->filetypedata);
foreach($this->filetypedata as $data) {
$this->filetypes = array_merge($this->filetypes, $data);
}
}
function set_dir($dir) {
$this->dir = $dir;
}
function set_thumb($width, $height, $ext = '') {
$this->thumb_width = $width;
$this->thumb_height = $height;
$this->thumb_ext = $ext;
}
function set_watermark($file, $pos = 9, $alpha = 100) {
$this->watermark_file = $file;
$this->watermark_pos = $pos;
$this->watermark_alpha = $alpha;
}
function execute() {
$arr = array();
$keys = array_keys($_FILES['attach']['name']);
foreach($keys as $key) {
if(!$_FILES['attach']['name'][$key]) {
continue;
}
$file = array(
'name' => $_FILES['attach']['name'][$key],
'tmp_name' => $_FILES['attach']['tmp_name'][$key]
);
$fileext = $this->fileext($file['name']);
if(!in_array($fileext, $this->filetypes)) {
$fileext = '_'.$fileext;
}
$tfilename = $this->time.rand(100, 999);
$filename = '1'.$tfilename.'.'.$fileext;
$filethumb = '0'.$tfilename.'.'.($this->thumb_ext ? $this->thumb_ext : $fileext);
$this->copy($file['tmp_name'], $this->dir.'/'.$filename);
$arr[$key]['file'] = $filename;
if(in_array($fileext, array('jpg', 'gif', 'png'))) {
if($this->thumb_width) {
if($this->thumb($this->thumb_width, $this->thumb_height, $this->dir.'/'.$filename, $this->dir.'/'.$filethumb, ($this->thumb_ext ? $this->thumb_ext : $fileext))) {
$arr[$key]['thumb'] = $filethumb;
}
}
if($this->watermark_file) {
$this->waterfile($this->dir.'/'.$filename, $this->watermark_file, $fileext, $this->watermark_pos, $this->watermark_alpha);
}
}
}
return $arr;
}
function mkdir_by_date($date, $dir = '.') {
list($y, $m, $d) = explode('-', date('Y-m-d', $date));
!is_dir("$dir/$y") && mkdir("$dir/$y", 0777);
!is_dir("$dir/$y/$m$d") && mkdir("$dir/$y/$m$d", 0777);
return "$y/$m$d";
}
function mkdir_by_hash($s, $dir = '.') {
$s = md5($s);
!is_dir($dir.'/'.$s[0]) && mkdir($dir.'/'.$s[0], 0777);
!is_dir($dir.'/'.$s[0].'/'.$s[1]) && mkdir($dir.'/'.$s[0].'/'.$s[1], 0777);
!is_dir($dir.'/'.$s[0].'/'.$s[1].'/'.$s[2]) && mkdir($dir.'/'.$s[0].'/'.$s[1].'/'.$s[2], 0777);
return $s[0].'/'.$s[1].'/'.$s[2];
}
function mkdir_by_uid($uid, $dir = '.') {
$uid = sprintf("%09d", $uid);
$dir1 = substr($uid, 0, 3);
$dir2 = substr($uid, 3, 2);
$dir3 = substr($uid, 5, 2);
!is_dir($dir.'/'.$dir1) && mkdir($dir.'/'.$dir1, 0777);
!is_dir($dir.'/'.$dir1.'/'.$dir2) && mkdir($dir.'/'.$dir1.'/'.$dir2, 0777);
!is_dir($dir.'/'.$dir1.'/'.$dir2.'/'.$dir3) && mkdir($dir.'/'.$dir1.'/'.$dir2.'/'.$dir3, 0777);
return $dir1.'/'.$dir2.'/'.$dir3;
}
function copy($sourcefile, $destfile) {
move_uploaded_file($sourcefile, $destfile);
@unlink($sourcefile);
}
function watermark($target, $watermark_file, $ext, $watermarkstatus=9, $watermarktrans=50) {
$gdsurporttype = array();
if(function_exists('imageAlphaBlending') && function_exists('getimagesize')) {
if(function_exists('imageGIF')) $gdsurporttype[]='gif';
if(function_exists('imagePNG')) $gdsurporttype[]='png';
if(function_exists('imageJPEG')) {
$gdsurporttype[]='jpg';
$gdsurporttype[]='jpeg';
}
}
if($gdsurporttype && in_array($ext, $gdsurporttype) ) {
$attachinfo = getimagesize($target);
$watermark_logo = imageCreateFromGIF($watermark_file);
$logo_w = imageSX($watermark_logo);
$logo_h = imageSY($watermark_logo);
$img_w = $attachinfo[0];
$img_h = $attachinfo[1];
$wmwidth = $img_w - $logo_w;
$wmheight = $img_h - $logo_h;
$animatedgif = 0;
if($attachinfo['mime'] == 'image/gif') {
$fp = fopen($target, 'rb');
$targetcontent = fread($fp, 9999999);
fclose($fp);
$animatedgif = strpos($targetcontent, 'NETSCAPE2.0') === FALSE ? 0 : 1;
}
if($watermark_logo && $wmwidth > 10 && $wmheight > 10 && !$animatedgif) {
switch ($attachinfo['mime']) {
case 'image/jpeg':
$dst_photo = imageCreateFromJPEG($target);
break;
case 'image/gif':
$dst_photo = imageCreateFromGIF($target);
break;
case 'image/png':
$dst_photo = imageCreateFromPNG($target);
break;
}
switch($watermarkstatus) {
case 1:
$x = +5;
$y = +5;
break;
case 2:
$x = ($logo_w + $img_w) / 2;
$y = +5;
break;
case 3:
$x = $img_w - $logo_w-5;
$y = +5;
break;
case 4:
$x = +5;
$y = ($logo_h + $img_h) / 2;
break;
case 5:
$x = ($logo_w + $img_w) / 2;
$y = ($logo_h + $img_h) / 2;
break;
case 6:
$x = $img_w - $logo_w;
$y = ($logo_h + $img_h) / 2;
break;
case 7:
$x = +5;
$y = $img_h - $logo_h-5;
break;
case 8:
$x = ($logo_w + $img_w) / 2;
$y = $img_h - $logo_h;
break;
case 9:
$x = $img_w - $logo_w-5;
$y = $img_h - $logo_h-5;
break;
}
imageAlphaBlending($watermark_logo, FALSE);
imagesavealpha($watermark_logo,TRUE);
imageCopyMerge($dst_photo, $watermark_logo, $x, $y, 0, 0, $logo_w, $logo_h, $watermarktrans);
switch($attachinfo['mime']) {
case 'image/jpeg':
imageJPEG($dst_photo, $target);
break;
case 'image/gif':
imageGIF($dst_photo, $target);
break;
case 'image/png':
imagePNG($dst_photo, $target);
break;
}
}
}
}
function thumb($forcedwidth, $forcedheight, $sourcefile, $destfile, $destext, $imgcomp = 0) {
$g_imgcomp=100-$imgcomp;
$g_srcfile=$sourcefile;
$g_dstfile=$destfile;
$g_fw=$forcedwidth;
$g_fh=$forcedheight;
$ext = strtolower(substr(strrchr($sourcefile, '.'), 1, 10));
if(file_exists($g_srcfile)) {
$g_is = getimagesize($g_srcfile);
if($g_is[0] < $forcedwidth && $g_is[1] < $forcedheight) {
copy($sourcefile, $destfile);
return filesize($destfile);;
}
if (($g_is[0] - $g_fw) >= ($g_is[1] - $g_fh)){
$g_iw=$g_fw;
$g_ih=($g_fw/$g_is[0])*$g_is[1];
} else {
$g_ih=$g_fh;
$g_iw=($g_ih/$g_is[1])*$g_is[0];
}
switch ($ext) {
case 'jpg':
$img_src = @imagecreatefromjpeg($g_srcfile);
!$img_src && $img_src = imagecreatefromgif($g_srcfile);
break;
case 'gif':
$img_src = imagecreatefromgif($g_srcfile);
break;
case 'png':
$img_src = imagecreatefrompng($g_srcfile);
break;
}
$img_dst = imagecreatetruecolor($g_iw, $g_ih);
imagecopyresampled($img_dst, $img_src, 0, 0, 0, 0, $g_iw, $g_ih, $g_is[0], $g_is[1]);
switch($destext) {
case 'jpg':
imagejpeg($img_dst, $g_dstfile, $g_imgcomp);
break;
case 'gif':
imagegif($img_dst, $g_dstfile, $g_imgcomp);
break;
}
imagedestroy($img_dst);
return filesize($destfile);
} else {
return false;
}
}
function fileext($filename) {
return substr(strrchr($filename, '.'), 1, 10);
}
function get_filetype($ext) {
foreach($this->filetypedata as $k => $v) {
if(in_array($ext, $v)) {
return $k;
}
}
return 'common';
}
}
?>