Nginx内容处置-修剪文件名

Question

我会简单地告诉你我的问题，我需要修剪前14个字符(0-9和-(，当下载一个文件时，它只是关于头Content-Disposition，如何实现这样的功能？

我希望文件看起来像这样：

1235467890123-FileName.txt

对于这种

文件名.txt

配置文件：

upstream oxide_io {
ip_hash;
server 127.0.0.1:xxx;
server 127.0.0.1:xxx;
server 127.0.0.1:xxx;
}
server {
listen 443      ssl http2;
listen [::]:443 ssl http2;
server_name oxidepolska.pl;
error_log /var/log/nginx/forum-error.log error;
ssl ***
proxy_hide_header X-Powered-By;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto $scheme;
proxy_set_header Host $http_host;
proxy_set_header X-NginX-Proxy true;
proxy_redirect off;
proxy_http_version 1.1;
proxy_set_header Upgrade $http_upgrade;
proxy_set_header Connection "upgrade";
gzip ***
location @oxide {
proxy_pass http://oxide_io;
}
location ~ ^/assets/(.*) {
root /var/www/forum/;
try_files /build/public/$1 /public/$1 @oxide;
}
location /plugins/ {
root /var/www/forum/build/public/;
try_files $uri @oxide;
}
location ~ ^/public/uploads/files/(.*)$ {
root /var/www/forum/public/uploads/files/;
add_header Content-Disposition 'inline; filename="$1"';
}
location / {
proxy_pass http://oxide_io;
}
error_page 502 503 /503.html;
location = /503.html {
root /var/www/forum/public/;
}
}
server {
if ($host = oxidepolska.pl) {
return 301 https://$host$request_uri;
} # managed by Certbot
listen 80;
listen [::]:80;
server_name oxidepolska.pl;
}

Answer 1

我终于明白了，你想去掉在某个论坛上传的文件中添加的时间戳前缀吗？这是另一个配置，手动添加Content-Disposition标头：

map $uri $content_disposition {
'~/d{13}-([^/]+)$' 'attachment; filename="$1"';
}
server {
...
location <uploaded_files_location> {
add_header Content-Disposition $content_disposition;
}
...
}

当请求的文件与模式不匹配时\d{13}-(13位数字，在文件名的其余部分前面有"-"号(，$content_disposition变量计算为空字符串，因此Content-Disposition标头不会添加到响应中。

Answer 2

➜  ~ curl -I https://ddl.oxidepolska.pl/1544820059040-lootconfig.zip
HTTP/2 200 
server: nginx
date: Fri, 14 Dec 2018 21:54:56 GMT
content-type: application/zip
content-length: 7138
last-modified: Fri, 14 Dec 2018 20:40:59 GMT
etag: "5c14155b-1be2"
accept-ranges: bytes

Answer 3

免责声明：这个答案是关于修改现有的Content-Disposition标头，这不是OP所要求的。

map $upstream_http_content_disposition $content_disposition {
default $upstream_http_content_disposition;
'~^(.*filename="?)[-d]{14}(.+?)("?$)' $1$2$3;
}
server {
...
location @oxide {
proxy_pass http://oxide_io;
proxy_hide_header Content-Disposition;
add_header Content-Disposition $content_disposition;
}
...
location / {
proxy_pass http://oxide_io;
proxy_hide_header Content-Disposition;
add_header Content-Disposition $content_disposition;
}
...
}

(假设前14个字符只能是0-9和'-'(