-
Notifications
You must be signed in to change notification settings - Fork 16
/
upload.php
221 lines (194 loc) · 9.34 KB
/
upload.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
<?php
define('IN_SAESPOT', 1);
include(dirname(__FILE__) . '/config.php');
include(dirname(__FILE__) . '/common.php');
if (!$cur_user) exit('error: 401 login please');
if ($cur_user['flag']==0){
exit('error: 403 Access Denied');
}else if($cur_user['flag']==1){
exit('error: 401 Access Denied');
}
if($options['close_upload']) exit('error: 403 附件上传已禁用');
$mw = intval($_GET['mw']);
$rsp = array('status'=>201, 'msg'=>'ok');
if($_SERVER['REQUEST_METHOD'] == 'POST'){
if($_FILES['filetoupload']['size']){
// 上传的文件名
$up_name = strtolower($_FILES['filetoupload']['name']);
// 上传文件扩展名
$ext_name = pathinfo($up_name, PATHINFO_EXTENSION);
if($options['ext_list']){
// 如果限制扩展名
if(in_array($ext_name, explode(",", $options['ext_list']))){
$pass = '1';
}else{
$pass = null;
$rsp['msg'] = '该文件格式不允许上传，只支持'.$options['ext_list'];
}
}else{
$pass = '1';
}
if($pass){
$is_img = null;
// 尝试以图片方式处理
$img_info = getimagesize($_FILES['filetoupload']['tmp_name']);
if($img_info){
//创建源图片
if($img_info[2]==1){
$img_obj = imagecreatefromgif($_FILES['filetoupload']['tmp_name']);
$t_ext = 'gif';
}else if($img_info[2]==2){
$img_obj = imagecreatefromjpeg($_FILES['filetoupload']['tmp_name']);
$t_ext = 'jpg';
}else if($img_info[2]==3){
$img_obj = imagecreatefrompng($_FILES['filetoupload']['tmp_name']);
$t_ext = 'png';
}
//如果上传的文件是jpg/gif/png则处理
if(isset($img_obj)){
// 是正确的图片格式
$is_img = '1';
$new_name = $timestamp.'.'.$t_ext;
}else{
// 其它格式的图片
$rsp['msg'] = '该图片格式不支持，只支持jpg/gif/png';
// 直接取同扩展名
$new_name = $timestamp.'.'.$ext_name;
}
}else{
// 非图片
$rsp['msg'] = '上传的不是图片，只支持jpg/gif/png格式的图片';
if(in_array($ext_name, array('jpg','jpeg','gif','png'))){
// 扩展名是图片，但不能用getimagesize识别，可能是改扩展名伪装
$new_name = $timestamp.'.bad-'.$ext_name;
}else{
if(in_array($ext_name, array('php','htm','html'))){
$new_name = $timestamp.'.rename-'.$ext_name;
}else{
$new_name = $timestamp.'.'.$ext_name;
}
}
}
///保存
$upload_dir = 'upload/'.$cur_uid;
if(!$options['upyun_domain'] || !$options['upyun_user'] || !$options['upyun_pw']){
if(!is_dir($upload_dir)) {
mkdir($upload_dir, 0777, true);
}
}
$upload_filename = $upload_dir.'/'.$new_name;
if($is_img){
// 是正确的图片文件
// 判断是不是动态gif
$is_gifs = null;
if($img_info[2]==1){
$out_img = file_get_contents($_FILES['filetoupload']['tmp_name']);
if(strpos( $out_img, chr(0x21).chr(0xff).chr(0x0b).'NETSCAPE2.0') !== FALSE){
$is_gifs = '1';
}
}
if(!$is_gifs){
if($img_info[0] > $mw){
$percent = $mw/$img_info[0];
$new_w = round($img_info[0]*$percent);
$new_h = round($img_info[1]*$percent);
}else{
$new_w = $img_info[0];
$new_h = $img_info[1];
}
$new_image = imagecreatetruecolor($new_w, $new_h);
$bg = imagecolorallocate ( $new_image, 255, 255, 255 );
imagefill ( $new_image, 0, 0, $bg );
////目标文件，源文件，目标文件坐标，源文件坐标，目标文件宽高，源宽高
imagecopyresampled($new_image, $img_obj, 0, 0, 0, 0, $new_w, $new_h, $img_info[0], $img_info[1]);
// 添加水印
if($options['img_shuiyin']){
$textblack = imagecolorallocate($new_image, 155, 155, 155);
$shuiyin = $_SERVER['HTTP_HOST'];
$img_x = $new_w - (strlen($shuiyin)*8.5);
$img_y = $new_h-22;
imagestring($new_image, 4, $img_x, $img_y, $shuiyin, $textblack);
}
}
imagedestroy($img_obj);
if($options['upyun_domain'] && $options['upyun_user'] && $options['upyun_pw']){
// 上传到又拍云
include(dirname(__FILE__).'/upyun.class.php');
if(!$is_gifs){
ob_start();
imagejpeg($new_image, NULL, 95);
$out_img = ob_get_contents();
ob_end_clean();
}
$upyun = new UpYun($options['upyun_domain'], $options['upyun_user'], $options['upyun_pw']);
// 本地调试失败
if($upyun->writeFile('/'.$upload_filename, $out_img, true)){
$rsp['status'] = 200;
$rsp['url'] = 'http://'.$options['upyun_domain'].'.b0.upaiyun.com/'.$upload_filename;
$rsp['msg'] = '图片已成功上传';
}else{
$rsp['msg'] = '图片保存失败，请稍后再试';
}
unset($out_img);
}else{
// 上传到服务器
if($is_gifs){
if (move_uploaded_file($_FILES['filetoupload']['tmp_name'], $upload_filename)) {
$rsp['status'] = 200;
$rsp['url'] = 'http://'.$_SERVER['HTTP_HOST'].'/'.$upload_filename;
$rsp['msg'] = '图片已成功上传';
}else{
$rsp['msg'] = '图片保存失败，请稍后再试';
}
}else{
if(imagejpeg($new_image, $upload_filename, 95)){
$rsp['status'] = 200;
$rsp['url'] = 'http://'.$_SERVER['HTTP_HOST'].'/'.$upload_filename;
$rsp['msg'] = '图片已成功上传';
}else{
$rsp['msg'] = '图片保存失败，请稍后再试';
}
}
}
if(!$is_gifs){
imagedestroy($new_image);
}
}else{
// 其它文件
// $rsp['msg'] = '本站暂不支持上传非图片附件';
// 涉及安全问题，别开放图片以外的文件上传
// 参见 http://youbbs.sinaapp.com/t-172
//
if($options['upyun_domain'] && $options['upyun_user'] && $options['upyun_pw']){
// 上传到又拍云
include(dirname(__FILE__).'/upyun.class.php');
$upyun = new UpYun($options['upyun_domain'], $options['upyun_user'], $options['upyun_pw']);
// 本地调试失败
if($upyun->writeFile('/'.$upload_filename, $_FILES['filetoupload']['tmp_name'], true)){
$rsp['status'] = 200;
$rsp['url'] = '附件：'.$up_name.'http://'.$options['upyun_domain'].'.b0.upaiyun.com/'.$upload_filename;
$rsp['msg'] = '附件已成功上传';
}else{
$rsp['msg'] = '附件保存失败，请稍后再试';
}
unset($out_img);
}else{
// 上传到服务器
if (move_uploaded_file($_FILES['filetoupload']['tmp_name'], $upload_filename)) {
$rsp['status'] = 200;
$rsp['url'] = '附件：'.$up_name.' http://'.$_SERVER['HTTP_HOST'].'/'.$upload_filename;
$rsp['msg'] = '文件已成功上传';
}else{
$rsp['msg'] = '文件保存失败，请稍后再试';
}
}
//
}
}
}else{
$rsp['msg'] = '附件数据没有正确上传';
}
header("Content-Type: text/html");
echo json_encode($rsp);
}
?>