mirror of https://github.com/helloxz/imgurl
139 lines
3.7 KiB
PHP
139 lines
3.7 KiB
PHP
<?php
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error_reporting(E_ALL^E_NOTICE^E_WARNING^E_DEPRECATED);
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include_once('./config.php');
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//检测是否使用Tinypng压缩图片
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if($config['tinypng'] != '') {
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//载入SDK
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require_once("lib/Tinify/Exception.php");
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require_once("lib/Tinify/ResultMeta.php");
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require_once("lib/Tinify/Result.php");
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require_once("lib/Tinify/Source.php");
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require_once("lib/Tinify/Client.php");
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require_once("lib/Tinify.php");
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}
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//验证用户,并设置上传目录
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$dir = check($_COOKIE['uid'],$config['username'],$config['password'],$config['userdir'],$config['admindir']);
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$img_name = $_FILES["file"]["name"]; //文件名称
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$suffix = substr(strrchr($img_name, '.'), 1);//文件后缀
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$suffix = strtolower($suffix); //文件后缀转换为小写
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$rnum = date('dhis',time()).rand(1000,9999); //生成一个随机数
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//$new_name = substr(md5($img_name.$rnum), 8, 16).'.'.$suffix; //新的文件名
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$img_type = $_FILES["file"]["type"]; //文件类型
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$img_size = $_FILES["file"]["size"]; //文件大小
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$img_tmp = $_FILES["file"]["tmp_name"]; //临时文件名称
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//生成文件HASH
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$fhash = hash_file("md5",$img_tmp,FALSE);
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$fhash = substr($fhash,8,16);
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//新的文件名
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$new_name = $fhash.'.'.$suffix;
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$img_error = $_FILES["file"]["error"]; //错误代码
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$max_size = 2097152; //最大上传大小2M
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$current_time = date('ym',time()); //当前月份
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$dir = $dir.'/'.$current_time; //图片目录
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$dir_name = $dir.'/'.$new_name; //完整路径
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//使用exif_imagetype函数来判断文件类型
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$file_type = exif_imagetype($img_tmp);
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switch ( $file_type )
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{
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case IMAGETYPE_GIF:
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$status = 1;
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break;
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case IMAGETYPE_JPEG:
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$status = 1;
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break;
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case IMAGETYPE_PNG:
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$status = 1;
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break;
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case IMAGETYPE_BMP:
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$status = 1;
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break;
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default:
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$status = 0;
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break;
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}
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//判断文件后缀
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switch ( $suffix )
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{
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case jpg:
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$suffix_status = 1;
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break;
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case png:
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$suffix_status = 1;
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break;
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case jpeg:
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$suffix_status = 1;
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break;
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case bmp:
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$suffix_status = 1;
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break;
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case gif:
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$suffix_status = 1;
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break;
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default:
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$suffix_status = 0;
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break;
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}
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//判断文件夹是否存在,不存在则创建目录
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if(!file_exists($dir)){
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mkdir($dir,0777,true);
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}
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//开始上传
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if(($img_size <= $max_size) && ($status == 1) && ($suffix_status == 1)) {
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if ($_FILES["file"]["error"] > 0)
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{
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echo "Return Code: " . $_FILES["file"]["error"] . "<br />";
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}
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else {
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//如果上传成功
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if(move_uploaded_file($img_tmp,$dir_name)){
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//压缩图片
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tinypng($config['tinypng'],$dir_name);
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$img_url = $config['domain'].$dir_name; //自定义图片路径
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$img_info = getimagesize($dir_name);
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$img_width = $img_info['0']; //图片宽度
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$img_height = $img_info['1']; //图片高度
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$re_data = array("linkurl" => $img_url,width => $img_width,"height" => $img_height,"status" => 'ok');
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//返回json格式
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echo json_encode($re_data);
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}
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//没有上传成功
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else{
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echo "上传失败!";
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}
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}
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}
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else{
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$re_data = array("linkurl" => $img_url,width => $img_width,"height" => $img_height,"status" => 'no');
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//返回json格式
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echo json_encode($re_data);
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}
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//判断用户是否登录,5个参数,cookie,用户名、密码、用户上传目录、管理员上传目录
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function check($cookie,$user,$pass,$udir,$adir){
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$loginid = $cookie;
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$userid = md5($user.$pass);
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if($loginid == $userid) {
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return $adir;
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}
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else {
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return $udir;
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}
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}
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//压缩图片
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function tinypng($api,$imgfile){
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if($api == '') {
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return $imgfile;
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}
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else{
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Tinify\setKey($api);
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Tinify\fromFile($imgfile)->toFile($imgfile);
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return $imgfile;
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}
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}
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?>
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