chore: add captions endpoint + rework nginx config

docs/companion-apache2.md

@@ -66,6 +66,8 @@ To make the VirtualHost config below actually work, you should as well:
     ProxyPassReverse /latest_version http://127.0.0.1:8282/
     ProxyPass /api/manifest/dash/id/ http://127.0.0.1:8282/ nocanon
     ProxyPassReverse /api/manifest/dash/id/ http://127.0.0.1:8282/
+    ProxyPass /api/v1/captions/ http://127.0.0.1:8282/ nocanon
+    ProxyPassReverse /api/v1/captions/ http://127.0.0.1:8282/
     ProxyPass /videoplayback http://127.0.0.1:8282/ nocanon
     ProxyPassReverse /videoplayback http://127.0.0.1:8282/
     ProxyPreserveHost On

docs/companion-caddy.md

@@ -10,6 +10,7 @@ https://<server_name> {
 		path /latest_version
 		path /api/manifest/dash/id/*
 		path /videoplayback*
+    /api/v1/captions/*
 	}
 
   reverse_proxy @companion localhost:8282

docs/companion-nginx.md

@@ -6,9 +6,8 @@ This is a very basic config, secured with Let's Encrypt. Any log is disabled by
 server {
     listen 80;
     listen [::]:80;
-	listen 443 ssl;
+    listen 443 ssl http2;
-	listen [::]:443 ssl;
+    listen [::]:443 ssl http2;
-        http2 on;
 
     server_name invidious.domain.tld;
 
@@ -18,38 +17,24 @@ server {
     ssl_certificate     /etc/letsencrypt/live/invidious.domain.tld/fullchain.pem;
     ssl_certificate_key /etc/letsencrypt/live/invidious.domain.tld/privkey.pem;
 
+    # Redirect all HTTP requests to HTTPS
+    if ($scheme = http) {
+        return 301 https://$host$request_uri;
+    }
+
+    proxy_set_header X-Forwarded-For $remote_addr;
+    proxy_set_header Host $host;
+    proxy_http_version 1.1;
+    proxy_set_header Connection "";
+
+    # Invidious main service
     location / {
         proxy_pass http://127.0.0.1:3000;
-		proxy_set_header X-Forwarded-For $remote_addr;
-		proxy_set_header Host $host;	# so Invidious knows domain
-		proxy_http_version 1.1;		# to keep alive
-		proxy_set_header Connection "";	# to keep alive
     }
 
-	location /latest_version {
+    # Invidious companion service (multiple paths, same backend)
+    location ~ ^/(latest_version|videoplayback|api/(v1/captions|manifest/dash/id))/ {
         proxy_pass http://127.0.0.1:8282;
-		proxy_set_header X-Forwarded-For $remote_addr;
-		proxy_set_header Host $host;	# so Invidious companion knows domain
-		proxy_http_version 1.1;		# to keep alive
-		proxy_set_header Connection "";	# to keep alive
     }
-
-	location /api/manifest/dash/id/ {
-		proxy_pass http://127.0.0.1:8282;
-		proxy_set_header X-Forwarded-For $remote_addr;
-		proxy_set_header Host $host;	# so Invidious companion knows domain
-		proxy_http_version 1.1;		# to keep alive
-		proxy_set_header Connection "";	# to keep alive
-	}
-
-	location /videoplayback {
-		proxy_pass http://127.0.0.1:8282;
-		proxy_set_header X-Forwarded-For $remote_addr;
-		proxy_set_header Host $host;	# so Invidious companion knows domain
-		proxy_http_version 1.1;		# to keep alive
-		proxy_set_header Connection "";	# to keep alive
-	}
-
-	if ($https = '') { return 301 https://$host$request_uri; }	# if not connected to HTTPS, perma-redirect to HTTPS
 }
 ```

docs/companion-traefik.md

@@ -8,7 +8,7 @@ Do not forget to replace `<server_name>` with your domain.
 ...
     labels:
       - "traefik.enable=true"
-      - "traefik.http.routers.invidious.rule=Host(`<server_name>`) && !(Path(`/latest_version`) || PathPrefix(`/api/manifest/dash/id/`) || PathPrefix(`/videoplayback`))"
+      - "traefik.http.routers.invidious.rule=Host(`<server_name>`) && !(Path(`/latest_version`) || PathPrefix(`/api/manifest/dash/id/`) || PathPrefix(`/api/v1/captions/`) || PathPrefix(`/videoplayback`))"
       - "traefik.http.routers.invidious.entrypoints=web-sec"
       - "traefik.http.routers.invidious.tls.certresolver=le"
       - "traefik.http.services.invidious.loadbalancer.server.port=3000"
@@ -19,7 +19,7 @@ Do not forget to replace `<server_name>` with your domain.
 ...
     labels:
       - "traefik.enable=true"
-      - "traefik.http.routers.invidious-companion.rule=Host(`<server_name>`) && (Path(`/latest_version`) || PathPrefix(`/api/manifest/dash/id/`) || PathPrefix(`/videoplayback`))"
+      - "traefik.http.routers.invidious-companion.rule=Host(`<server_name>`) && (Path(`/latest_version`) || PathPrefix(`/api/manifest/dash/id/`) || PathPrefix(`/api/v1/captions/`) || PathPrefix(`/videoplayback`))"
       - "traefik.http.routers.invidious-companion.entrypoints=web-sec"
       - "traefik.http.routers.invidious-companion.tls.certresolver=le"
       - "traefik.http.services.invidious-companion.loadbalancer.server.port=8282"