Document Obfuscator architecture and VM buffer

2026-10-23 08:12:38 +03:00
parent 095bbb145e
commit b6e34b11c8
3 changed files with 181 additions and 1 deletions
@@ -0,0 +1,58 @@
+# Obfuscator's temporary upload buffer on VM213. This is Nginx/WebDAV config,
+# not the Managed Flask application or document-processing code.
+# Install as /etc/nginx/sites-enabled/obfuscator-upload.conf.
+# The sites-enabled wildcard is included from Nginx's http context, where map is valid.
+# Keep this file in sync with the installed VM config.
+
+# Browser CORS allowlist for the Obfuscator Managed Flask origin.
+# CORS is a browser policy, not authentication for direct HTTP clients.
+map $http_origin $obfuscator_upload_cors_origin {
+    default "";
+    ~^https://obfuscator\.pythonk8s\.services\.ngcloud\.ru$ $http_origin;
+}
+
+server {
+    listen 80;
+    server_name obfuscator-upload.sinefo.ru;
+
+    # Keep the ACME HTTP-01 challenge available for certificate renewal.
+    location /.well-known/acme-challenge/ {
+        root /var/www/acme;
+    }
+
+    # Send all other HTTP traffic to TLS.
+    location / {
+        return 301 https://$host$request_uri;
+    }
+}
+
+server {
+    listen 443 ssl;
+    server_name obfuscator-upload.sinefo.ru;
+
+    ssl_certificate /etc/letsencrypt/live/obfuscator-upload.sinefo.ru/fullchain.pem;
+    ssl_certificate_key /etc/letsencrypt/live/obfuscator-upload.sinefo.ru/privkey.pem;
+    include /etc/letsencrypt/options-ssl-nginx.conf;
+    ssl_dhparam /etc/letsencrypt/ssl-dhparams.pem;
+
+    client_max_body_size 1024m;
+
+    # Temporary WebDAV staging directory: browser PUT, Flask GET/pull, then DELETE.
+    location /obfuscator-upload/ {
+        alias /var/www/obfuscator-upload/;
+        dav_methods PUT DELETE;
+        create_full_put_path on;
+        client_max_body_size 1024m;
+        add_header Access-Control-Allow-Origin $obfuscator_upload_cors_origin always;
+        add_header Access-Control-Allow-Methods "PUT, GET, OPTIONS, DELETE" always;
+        add_header Access-Control-Allow-Headers "Content-Type" always;
+        add_header Access-Control-Max-Age 86400 always;
+        if ($request_method = OPTIONS) { return 204; }
+    }
+
+    # Do not serve paths outside the upload endpoint.
+    location / {
+        return 404;
+    }
+}
+# End of Obfuscator's VM213 upload-buffer config.