I fixed this.
proxy_set_header Cookie $http_cookie;
on the seperated NGINX reverse proxy did the trick, I am now able to move and delete files in the web UI
Here is the stripped down reverse proxy config for further use (I just needed the / location block anyways)
server {
listen 80;
server_name seafile.myserver.de;
rewrite ^ https://$http_host$request_uri? permanent; # force redirect http to https
# Enables or disables emitting nginx version on error pages and in the "Server" response header field.
server_tokens off;
}
server {
listen 443 http2 ssl;
server_name seafile.myserver.de;
ssl on;
ssl_protocols TLSv1.2 TLSv1.3;
ssl_certificate /etc/letsencrypt/live/seafile.myserver.de/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/seafile.myserver.de/privkey.pem;
ssl_dhparam /etc/nginx/dhparam.pem;
ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384;
ssl_prefer_server_ciphers off;
ssl_session_timeout 1d;
ssl_session_cache shared:MozSSL:10m;
ssl_session_tickets off;
add_header Strict-Transport-Security 'max-age=31536000; includeSubDomains; preload';
add_header X-Content-Type-Options nosniff;
add_header Content-Security-Policy "default-src 'none'; script-src http://seafile.com/ https://www.seafile.com/ https://seafile.myserver.de/ blob: 'self' 'unsafe-inline' 'unsafe-eval' ; img-src 'self'; font-src data: 'self'; connect-src 'self'; style-src 'self' 'unsafe-inline'; frame-src https://seafile.myserver.de; object-src 'none'; frame-ancestors https://seafile.myserver.de/; base-uri https://seafile.myserver.de/ 'self'; media-src 'self';";
add_header X-XSS-Protection "1; mode=block";
add_header X-Robots-Tag none;
add_header X-Frame-Options sameorigin;
add_header X-Download-Options noopen;
add_header X-Permitted-Cross-Domain-Policies none;
add_header Permissions-Policy "geolocation=();midi=();notifications=();push=();sync-xhr=();microphone=();camera=();magnetometer=();gyroscope=();speaker=(self);vibrate=();fullscreen=(self);payment=();";
add_header Referrer-Policy strict-origin-when-cross-origin;
ssl_stapling on;
ssl_stapling_verify on;
ssl_trusted_certificate /etc/nginx/ssl/letsencrypt_ocsp.pem;
server_tokens off;
resolver 213.133.98.98;
location / {
proxy_pass https://seafback.myserver.de;
proxy_set_header Host $host;
proxy_set_header X-Real-IP $remote_addr;
proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Host $server_name;
proxy_set_header X-Forwarded-Proto https;
proxy_set_header Cookie $http_cookie;
access_log /var/log/nginx/seahub.access.log;
error_log /var/log/nginx/seahub.error.log;
proxy_read_timeout 1200s;
}
if ($request_method !~ ^(GET|DELETE|HEAD|POST|PUT)$ )
{
return 405;
}
}
And another final addition:
I set “proxy_cookie_path” in nginx.conf for security reasons.
To make it work the line needs to be set like this:
proxy_cookie_path ~*^/.* "~*^/.* HTTPOnly; Secure";