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257 lines
6.7 KiB
Markdown
257 lines
6.7 KiB
Markdown
## 17.Nginx实现上传的方法
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\[upload模块实现文件上传\]
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nginx实现文件上传，需要依赖一个额外的安装模块upload. 跟以往一样，默认情况下，nginx不带这个模块，所以，我们需要做两件事，１：下载该模块 ２：重新编译nginx
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wget [https://github.com/fdintino/nginx-upload-module/archive/2.3.0.tar.gz](https://github.com/fdintino/nginx-upload-module/archive/2.3.0.tar.gz)
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# 解压
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```javascript
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tar zxvf 2.3.0.tar.gz
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cd nginx-1.12.2
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./configure --add-module=../nginx-upload-module-2.3.0/ --prefix=/usr/local/nginx
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make
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make install
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```
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# 启动nginx
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`/usr/local/nginx/sbin/nginx`
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# 修改nginx的配置文件，添加如下这一段
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```plain
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## -------> 新增内容 <-------------------
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location /upload {
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upload_pass /res_upload;
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upload_store /usr/local/nginx/html;
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}
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location /res_upload {
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default_type text/html;
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return 200 "success";
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}
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## <------ 新增内容结束 ------------------->
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```
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# 重启nginx，让配置生效
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然后在 /usr/local/nginx/html目录下新增一个 file.html(名字别用 upload.html 不然会命中 /upload 这个location的规则，踩坑才跳出来)，用于浏览器上传文件使用：
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```xml
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<html>
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<head>
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<title>Test upload</title>
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</head>
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<body>
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<h2>Select files to upload</h2>
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<form name="upload" method="POST" enctype="multipart/form-data" action="/upload">
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<input type="file" name="file"><br>
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<button type="submit"> Upload </button>
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</form>
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</body>
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</html>
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```
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然后再浏览器打开这个页面，就可以上传文件了
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\[PHP实现文件上传\]
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我们之前也尝试过编写PHP，所以这里就不再赘述了
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我们准备好一个HTML页面，然后再准备好一个PHP的源代码文件
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```xml
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<!-- 这是提交给nginx -->
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<html lang="CN">
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<head>
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<meta charset="UTF-8">
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<title>Test upload</title>
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</head>
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<body>
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<h2>Select files to upload</h2>
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<form enctype="multipart/form-data" action="/upload" method="post">
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<input type="file" name="file"><br><br> <input type="file" name="file1"><br><br> <input type="file" name="file2"><br>
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<input type="submit" name="submit" value="Upload">
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<input type="hidden" name="test" value="value">
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</form>
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</body>
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</html>
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<!-- 这是直接提交给php -->
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<html lang="CN">
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<head>
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<meta charset="UTF-8">
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<title>Test upload</title>
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</head>
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<body>
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<h2>Select files to upload</h2>
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<form enctype="multipart/form-data" action="/upload.php" method="post">
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<input type="file" name="file"><br>
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<input type="submit" name="submit" value="Upload">
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<input type="hidden" name="test" value="value">
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</form>
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</body>
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</html>
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```
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1：通过配置Ningx 安装 Upload Modules 进行 文件上传 再从PHP 接受 Ningx POST过来的参数。
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2.直接通过编写PHP，从HTML 负责文件上传
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```plain
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server {
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listen 80;
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server_name localhost;
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charset utf-8;
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access_log /usr/local/nginx/logs/access.log main;
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client_max_body_size 100m;
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location /upload {
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upload_pass /upload.php;
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upload_store /usr/share/nginx/html/file 1;
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upload_store_access user:r;
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upload_set_form_field "${upload_field_name}_name" $upload_file_name;
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upload_set_form_field "${upload_field_name}_content_type" $upload_content_type;
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upload_set_form_field "${upload_field_name}_path" $upload_tmp_path;
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upload_aggregate_form_field "${upload_field_name}_md5" $upload_file_md5;
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upload_aggregate_form_field "${upload_field_name}_size" $upload_file_size;
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upload_pass_form_field "^submit$|^description$";
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}
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```
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# 如果是当前端口，设置proxy\_pass会出现错误
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```php
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#location @test {
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# proxy_pass htpp://127.0.0.1;
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#}
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location / {
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root /usr/share/nginx/html/work/public;
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index index.html index.htm index.php;
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}
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error_page 404 /404.html;
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error_page 500 502 503 504 /50x.html;
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location = /50x.html {
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root /usr/share/nginx/html;
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}
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location ~ \.php$ {
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root /usr/share/nginx/html/work/public;
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fastcgi_pass unix:/opt/remi/php70/root/run/lock/php-fcgi.sock;
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fastcgi_index index.php;
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fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
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include fastcgi_params;
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}
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location ~ .*＼.(gif|jpg|jpeg|png|bmp|swf)$
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{
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expires 15d;
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}
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location ~ .*＼.(js|css)?$
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{
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expires 1d;
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}
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}
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<?php
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header('Content-Type: text/html;charset=UTF-8');
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$type = ['.pdf' => 'application/pdf'];
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const FILE_DIR = '/usr/share/nginx/html/work/';
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if (count(($file = $_FILES['file'])) > 0) {
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if ($file['error'] == 0) {
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if ($fileType = array_search($file['type'], $type)) {
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//以当前的时间命名目录
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$date_dir = date('Y-m-d', time());
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if (!is_dir(FILE_DIR . $date_dir)) {
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if (!mkdir(FILE_DIR . $date_dir)) {
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return header('location:503.html');
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}
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}
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$filename = FILE_DIR . $date_dir . '/' . (md5_file($file['tmp_name']) . time() . rand(9999, 99999)) . $fileType;
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//生成新的文件
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if (rename($file['tmp_name'], $filename)) {
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return header('Location: success.html');
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}
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}
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}
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switch ($file['error']) {
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case 1:
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http_response_code(400);
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exit('文件大小超出了服务器的空间大小');
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case 2:
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http_response_code(400);
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exit('要上传的文件大小超出浏览器限制');
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case 3:
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http_response_code(400);
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exit('文件仅部分被上传');
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case 4:
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http_response_code(404);
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exit('没有找到要上传的文件');
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case 5:
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http_response_code(503);
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exit('服务器临时文件夹丢失');
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case 6:
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http_response_code(503);
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exit('文件写入到临时文件夹出错');
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}
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}
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```
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# 如果是nginx upload module
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```perl
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if (count(($file = $_POST)) > 0) {
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if ($fileType = array_search($file['file_content_type'], $type)) {
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//以当前的时间命名目录
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$date_dir = date('Y-m-d', time());
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//如果目录没创建,我们就自己创建一个
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if (!is_dir(FILE_DIR . $date_dir)) {
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if (!mkdir(FILE_DIR . $date_dir)) {
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return header('location:503.html');
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}
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}
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$filename = FILE_DIR . $date_dir . '/' . (md5_file($file['file_path']) . time() . rand(9999, 99999)) . $fileType;
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//生成新的文件
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if (rename($file['file_path'], $filename)) {
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return header('Location: success.html');
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}
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}
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}
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```
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