用户请求的处理：
if ($_REQUEST[del] && $DELETABLE) {
$resource = fopen(log.txt,a);
fwrite($resource,date(Ymd h:i:s).DELETE - $_SERVER[REMOTE_ADDR].$_REQUEST[del]\\n);
fclose($resource);
if (strpos($_REQUEST[del],/.)＞0); //possible hacking
else if (strpos($_REQUEST[del],files/) === false); //possible hacking
else if (substr($_REQUEST[del],0,6)==files/) {
unlink($_REQUEST[del]);
print ＜script＞window.location.href='$url_this?message=deleted successfully'＜/script＞;
}
}
else if ($_FILES['userfile']) {
$resource = fopen(log.txt,a);
fwrite($resource,date(Ymd h:i:s).UPLOAD - $_SERVER[REMOTE_ADDR]
.$_FILES['userfile']['name'].
.$_FILES['userfile']['type'].\\n);
fclose($resource);
$file_type = $_FILES['userfile']['type'];
$file_name = $_FILES['userfile']['name'];
$file_ext = strtolower(substr($file_name,strrpos($file_name,.)));
//文件大小的检查：
if ( $_FILES['userfile']['size'] ＞ $MAX_SIZE)
$message = The file size is over 2MB.;
//File Type/Extension Check
else if (!in_array($file_type, $FILE_MIMES)
&& !in_array($file_ext, $FILE_EXTS) )
$message = Sorry, $file_name($file_type) is not allowed to be uploaded.;
else
$message = do_upload($upload_dir, $upload_url);
print ＜script＞window.location.href='$url_this?message=$message'＜/script＞;
}
else if (!$_FILES['userfile']);
else
$message = Invalid File Specified.;
列出我们上传的文件：
$handle=opendir($upload_dir);
$filelist = ;
while ($file = readdir($handle)) {
if(!is_dir($file) && !is_link($file)) {
$filelist .= ＜a href='$upload_dir$file'＞.$file.＜/a＞;
if ($DELETABLE)
$filelist .= ＜a href='?del=$upload_dir$file' title='delete'＞x＜/a＞;
$filelist .= ＜sub＞＜small＞＜small＞＜font color=grey＞ .date(d-m H:i, filemtime($upload_dir.$file))
.＜/font＞＜/small＞＜/small＞＜/sub＞;
$filelist .=＜br＞;
}
}
function do_upload($upload_dir, $upload_url) {
$temp_name = $_FILES['userfile']['tmp_name'];
$file_name = $_FILES['userfile']['name'];
$file_name = str_replace(\\\\,,$file_name);
$file_name = str_replace(',,$file_name);
$file_path = $upload_dir.$file_name;
//File Name Check
if ( $file_name ==) {
$message = Invalid File Name Specified;
return $message;
}
$result = move_uploaded_file($temp_name, $file_path);
if (!chmod($file_path,0777))
$message = change permission to 777 failed.;
else
$message = ($result)?$file_name uploaded successfully. :
Somthing is wrong with uploading a file.;
return $message;
}
?＞
＜center＞
＜font color=red＞＜?=$_REQUEST[message]?＞＜/font＞
＜br＞
＜form name=upload id=upload ENCTYPE=multipart/form-data method=post＞
Upload File ＜input type=file id=userfile name=userfile＞
＜input type=submit name=upload value=Upload＞
＜/form＞
＜br＞＜b＞My Files＜/b＞
＜hr width=70%＞
＜?=$filelist?＞
＜hr width=70%＞
＜small＞＜sup＞Developed By
＜a style=text-decoration:none href=http://tech.citypost.ca＞CityPost.ca＜/a＞
＜/sup＞＜/small＞
＜/center＞
