CQUPT Reverse Proxy Configuration

cqupt.conf

# Unusual ports are not supported.
server {
	listen  80;
	server_name  endpoint.domain;

	set $cqupt www.cqupt.edu.cn;

	resolver 202.202.32.33 202.202.32.34 valid=3600s;

	error_page 500 502 503 504 /500.html;

	location = /500.html {
		return 451;
	}

	location / {
		add_header 		copyright "(C) Gufeng Shen 2020, All rights reserved";
		add_header		connect $cqupt;

		proxy_set_header	Accept-Encoding "";
		proxy_set_header	Host $cqupt;
		proxy_pass		http://$cqupt;

		proxy_redirect 		~^https?://cqupt.edu.cn/(.*) http://endpoint.domain/$1;
		proxy_redirect 		~^http://(.*).cqupt.edu.cn/(.*) http://$1.endpoint.domain/$2;
		proxy_redirect		~^https://(.*).cqupt.edu.cn/(.*) http://$1.secure.endpoint.domain/$2;
		proxy_redirect		~^http://([0-9.]+)/(.*) http://$1.endpoint.domain/$2;
		proxy_redirect		~^https://([0-9.]+)/(.*) http://$1.secure.endpoint.domain/$2;

		subs_filter		'https?://cqupt.edu.cn' http://endpoint.domain gir;
		subs_filter		'http://(.*).cqupt.edu.cn' http://$1.endpoint.domain gir;
		subs_filter		'https://(.*).cqupt.edu.cn' http://$1.secure.endpoint.domain gir;
		subs_filter		'http://([0-9.]+)' http://$1.endpoint.domain gir;
		subs_filter		'https://([0-9.]+)' http://$1.secure.endpoint.domain gir;
	}
}

server {
	listen  80;
	server_name  ~^(.+)\.secure\.endpoint\.domain$;

	set $cqupt $1;
	if ($cqupt ~ [a-zA-Z]) {
		set $cqupt $cqupt.cqupt.edu.cn;
	}

	resolver 202.202.32.33 202.202.32.34 valid=3600s;

	error_page 500 502 503 504 /500.html;

	location = /500.html {
		return 451;
	}

	location / {
		add_header 		copyright "(C) Gufeng Shen 2020, All rights reserved";
		add_header		connect $cqupt;

		proxy_set_header	Accept-Encoding "";
		proxy_set_header	Host $cqupt;
		proxy_pass		https://$cqupt;

		proxy_redirect 		~^https?://cqupt.edu.cn/(.*) http://endpoint.domain/$1;
		proxy_redirect 		~^http://(.*).cqupt.edu.cn/(.*) http://$1.endpoint.domain/$2;
		proxy_redirect		~^https://(.*).cqupt.edu.cn/(.*) http://$1.secure.endpoint.domain/$2;
		proxy_redirect		~^http://([0-9.]+)/(.*) http://$1.endpoint.domain/$2;
		proxy_redirect		~^https://([0-9.]+)/(.*) http://$1.secure.endpoint.domain/$2;

		subs_filter		'https?://cqupt.edu.cn' http://endpoint.domain gir;
		subs_filter		'http://(.*).cqupt.edu.cn' http://$1.endpoint.domain gir;
		subs_filter		'https://(.*).cqupt.edu.cn' http://$1.secure.endpoint.domain gir;
		subs_filter		'http://([0-9.]+)' http://$1.endpoint.domain gir;
		subs_filter		'https://([0-9.]+)' http://$1.secure.endpoint.domain gir;
	}
}

server {
	listen  80;
	server_name  ~^(.+)\.endpoint\.domain$;

	set $cqupt $1;
	if ($cqupt ~ [a-zA-Z]) {
		set $cqupt $cqupt.cqupt.edu.cn;
	}

	resolver 202.202.32.33 202.202.32.34 valid=3600s;

	error_page 500 502 503 504 /500.html;

	location = /500.html {
		return 451;
	}

	location / {
		add_header 		copyright "(C) Gufeng Shen 2020, All rights reserved";
		add_header		connect $cqupt;

		proxy_set_header	Host $cqupt;
		proxy_set_header	Accept-Encoding "";
		proxy_pass		http://$cqupt;

		proxy_redirect 		~^https?://cqupt.edu.cn/(.*) http://endpoint.domain/$1;
		proxy_redirect 		~^http://(.*).cqupt.edu.cn/(.*) http://$1.endpoint.domain/$2;
		proxy_redirect		~^https://(.*).cqupt.edu.cn/(.*) http://$1.secure.endpoint.domain/$2;
		proxy_redirect		~^http://([0-9.]+)/(.*) http://$1.endpoint.domain/$2;
		proxy_redirect		~^https://([0-9.]+)/(.*) http://$1.secure.endpoint.domain/$2;


		subs_filter		'https?://cqupt.edu.cn' http://endpoint.domain gir;
		subs_filter		'http://(.*).cqupt.edu.cn' http://$1.endpoint.domain gir;
		subs_filter		'https://(.*).cqupt.edu.cn' http://$1.secure.endpoint.domain gir;
		subs_filter		'http://([0-9.]+)' http://$1.endpoint.domain gir;
		subs_filter		'https://([0-9.]+)' http://$1.secure.endpoint.domain gir;
	}
}