fix: 通过nginx给minio添加下载头 (#42)

Co-authored-by: ipcjs.mac4 <[email protected]>

Author: jss-tg

nginx/conf/conf.d/track.conf.template

@@ -61,6 +61,8 @@ server {
 
     location /minio/ {
         proxy_pass   http://${MINIO_HOST}:${MINIO_PORT}/;
+
+        add_header Content-Disposition $content_disposition_download; 
     }
 
     location /jtt808/ {

nginx/conf/conf.d/video-minio.conf.template

@@ -16,6 +16,8 @@ server {
     # minio录像云存储
     location /minio/ {
         proxy_pass   http://${MINIO_HOST}:${MINIO_PORT}/;
+
+        add_header Content-Disposition $content_disposition_download; 
     }
 
     #access_log  /var/log/nginx/host.access.log  main;

nginx/conf/nginx.conf

@@ -75,6 +75,14 @@ http {
         ~*(GPTBot|ChatGPT-User|ClaudeBot|PerplexityBot|CCBot) 1;
     }
 
+    # 前端设置<a>标签的download属性, 只对同源url生效, minio默认不会设置Content-Disposition响应头
+    # 故需要通过nginx解析url中的download=1参数, 添加响应头
+    # 参考: https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/a#download
+    map $arg_download $content_disposition_download {
+        default "";
+        "1"     "attachment";
+    }
+
     # Docker Compose的默认DNS
     # https://stackoverflow.com/questions/35744650/docker-network-nginx-resolver
     resolver 127.0.0.11;