Add Nchan module support

README.md

@@ -25,6 +25,7 @@ The script might work on ARM-based architectures, but it's only being regularly
 - [Cloudflare's patch for HTTP/3](https://blog.cloudflare.com/experiment-with-http-3-using-nginx-and-quiche/) with [Quiche](https://github.com/cloudflare/quiche) and [BoringSSL](https://github.com/google/boringssl).
 - [Cloudflare's TLS Dynamic Record Resizing patch](https://blog.cloudflare.com/optimizing-tls-over-tcp-to-reduce-latency/) maintained by [nginx-modules](https://github.com/nginx-modules/ngx_http_tls_dyn_size).
 - [Cloudflare's HTTP/2 HPACK encoding patch](https://blog.cloudflare.com/hpack-the-silent-killer-feature-of-http-2/) ([original patch](https://github.com/cloudflare/sslconfig/blob/master/patches/nginx_1.13.1_http2_hpack.patch), [fixed patch](https://github.com/hakasenyang/openssl-patch/blob/master/nginx_hpack_push_1.15.3.patch))
+- [Nchan](https://github.com/slact/nchan): Nchan - flexible pubsub for the modern web
 - [ngx_pagespeed](https://github.com/pagespeed/ngx_pagespeed): Google performance module
 - [ngx_brotli](https://github.com/google/ngx_brotli): Brotli compression algorithm
 - [ngx_headers_more](https://github.com/openresty/headers-more-nginx-module): Custom HTTP headers

conf/README.md

@@ -155,3 +155,29 @@ testcookie_redirect_via_refresh off;
 Which turns off the html part.
 
 See <https://github.com/kyprizel/testcookie-nginx-module#testcookie_redirect_via_refresh>
+
+
+## Nchan
+
+See https://nchan.io/#getting-started
+
+Example configuration in nginx.conf:
+
+```
+#...
+http {  
+  server {
+    #...
+
+    location = /sub {
+      nchan_subscriber;
+      nchan_channel_id $arg_id;
+    }
+
+    location = /pub {
+      nchan_publisher;
+      nchan_channel_id $arg_id;
+    }
+  }
+}
+```

nginx-autoinstall.sh

@@ -40,6 +40,7 @@ if [[ $HEADLESS == "y" ]]; then
 	WEBDAV=${WEBDAV:-n}
 	VTS=${VTS:-n}
 	RTMP=${RTMP:-n}
+	NCHAN=${NCHAN:-n}
 	TESTCOOKIE=${TESTCOOKIE:-n}
 	HTTP3=${HTTP3:-n}
 	MODSEC=${MODSEC:-n}
@@ -175,6 +176,9 @@ case $OPTION in
 		while [[ $RTMP != "y" && $RTMP != "n" ]]; do
 			read -rp "       nginx RTMP [y/n]: " -e -i n RTMP
 		done
+		while [[ $NCHAN != "y" && $NCHAN != "n" ]]; do
+			read -rp "       nginx NCHAN [y/n]: " -e -i n NCHAN
+                done
 		while [[ $TESTCOOKIE != "y" && $TESTCOOKIE != "n" ]]; do
 			read -rp "       nginx testcookie [y/n]: " -e -i n TESTCOOKIE
 		done
@@ -596,6 +600,14 @@ case $OPTION in
 			echo --add-module=/usr/local/src/nginx/modules/nginx-rtmp-module
 		)
 	fi
+
+	if [[ $NCHAN == 'y' ]]; then
+		git clone --quiet https://github.com/slact/nchan.git /usr/local/src/nginx/modules/nginx-nchan-module
+		NGINX_MODULES=$(
+			echo "$NGINX_MODULES"
+			echo --add-module=/usr/local/src/nginx/modules/nginx-nchan-module
+		)
+	fi
 
 	if [[ $TESTCOOKIE == 'y' ]]; then
 		git clone --depth 1 --quiet https://github.com/kyprizel/testcookie-nginx-module.git /usr/local/src/nginx/modules/testcookie-nginx-module