root /mempool/public_html/liquid/;

index index.html;

set $frameOptions "DENY";
set $contentSecurityPolicy "frame-ancestors 'none'";
if ($http_referer ~ ^https://mempool.space/)
{
	set $frameOptions "ALLOW-FROM https://mempool.space";
	set $contentSecurityPolicy "frame-ancestors https://mempool.space";
}
if ($http_referer ~ ^https://mempool.ninja/)
{
	set $frameOptions "ALLOW-FROM https://mempool.ninja";
	set $contentSecurityPolicy "frame-ancestors https://mempool.ninja";
}
if ($http_referer ~ ^https://wiz.biz/)
{
	set $frameOptions "ALLOW-FROM https://wiz.biz";
	set $contentSecurityPolicy "frame-ancestors https://wiz.biz";
}

add_header X-Frame-Options $frameOptions;
add_header Content-Security-Policy $contentSecurityPolicy;
add_header Onion-Location http://mempoolhqx4isw62xs7abwphsq7ldayuidyx2v2oethdhhj6mlo2r6ad.onion$request_uri;
add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload";

# fallback for all URLs i.e. /address/foo /tx/foo /block/000
location / {
	try_files /$lang/$uri /$lang/$uri/ $uri $uri/ /en-US/$uri @index-redirect;
	add_header Cache-Control "public, no-transform";
	add_header X-Frame-Options $frameOptions;
	add_header Content-Security-Policy $contentSecurityPolicy;
	add_header Onion-Location http://mempoolhqx4isw62xs7abwphsq7ldayuidyx2v2oethdhhj6mlo2r6ad.onion$request_uri;
	add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload";
	expires 10m;
}
location /resources {
	try_files /$lang/$uri /$lang/$uri/ $uri $uri/ /en-US/$uri @index-redirect;
	add_header Cache-Control "public, no-transform";
	add_header X-Frame-Options $frameOptions;
	add_header Content-Security-Policy $contentSecurityPolicy;
	add_header Onion-Location http://mempoolhqx4isw62xs7abwphsq7ldayuidyx2v2oethdhhj6mlo2r6ad.onion$request_uri;
	add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload";
	expires 1h;
}
location @index-redirect {
	add_header Vary accept-language;
	add_header X-Frame-Options $frameOptions;
	add_header Content-Security-Policy $contentSecurityPolicy;
	add_header Onion-Location http://mempoolhqx4isw62xs7abwphsq7ldayuidyx2v2oethdhhj6mlo2r6ad.onion$request_uri;
	add_header Strict-Transport-Security "max-age=63072000; includeSubDomains; preload";
	rewrite (.*) /$lang/index.html;
}

# location block using regex are matched in order

# used to rewrite resources from /<lang>/ to /en-US/
location ~ ^/(ar|bg|bs|ca|cs|da|de|et|el|es|eo|eu|fa|fr|gl|ko|hr|id|it|he|ka|lv|lt|hu|mk|ms|nl|ja|ka|no|nb|nn|pl|pt|pt-BR|ro|ru|sk|sl|sr|sh|fi|sv|th|tr|uk|vi|zh)/resources/ {
	rewrite ^/[a-zA-Z-]*/resources/(.*) /en-US/resources/$1;
}
# used for cookie override
location ~ ^/(ar|bg|bs|ca|cs|da|de|et|el|es|eo|eu|fa|fr|gl|ko|hr|id|it|he|ka|lv|lt|hu|mk|ms|nl|ja|ka|no|nb|nn|pl|pt|pt-BR|ro|ru|sk|sl|sr|sh|fi|sv|th|tr|uk|vi|zh)/ {
	try_files $uri $uri/ /$1/index.html =404;
}

# static API docs
location = /api {
	#return 302 https://mempool.space/$request_uri;
	try_files $uri $uri/ /en-US/index.html =404;
}
location = /api/ {
	#return 302 https://mempool.space/$request_uri;
	try_files $uri $uri/ /en-US/index.html =404;
}
location = /liquid/api {
	#return 302 https://mempool.space/$request_uri;
	try_files $uri $uri/ /en-US/index.html =404;
}
location = /liquid/api/ {
	#return 302 https://mempool.space/$request_uri;
	try_files $uri $uri/ /en-US/index.html =404;
}
location = /testnet/api {
	#return 302 https://mempool.space/$request_uri;
	try_files $uri $uri/ /en-US/index.html =404;
}
location = /testnet/api/ {
	#return 302 https://mempool.space/$request_uri;
	try_files $uri $uri/ /en-US/index.html =404;
}

# mainnet API
location /api/v1/contributors {
	proxy_pass https://mempool.space;
	proxy_hide_header onion-location;
	proxy_hide_header strict-transport-security;
	proxy_hide_header content-security-policy;
	proxy_hide_header x-frame-options;
}
location /api/v1/donations {
	proxy_pass https://mempool.space;
	proxy_hide_header onion-location;
	proxy_hide_header strict-transport-security;
	proxy_hide_header content-security-policy;
	proxy_hide_header x-frame-options;
}
location /api/v1/donations/images {
	proxy_pass https://mempool.space;
	proxy_cache services;
	proxy_cache_valid 200 1d;
	expires 7d;
	add_header Cache-Control "public, no-transform";
	proxy_hide_header onion-location;
	proxy_hide_header strict-transport-security;
	proxy_hide_header content-security-policy;
	proxy_hide_header x-frame-options;
}
location /api/v1/ws {
	proxy_pass http://127.0.0.1:8998/;
	proxy_http_version 1.1;
	proxy_set_header Upgrade $http_upgrade;
	proxy_set_header Connection "Upgrade";
}
location /api/v1 {
	proxy_pass http://127.0.0.1:8998/api/v1;
}
location /api/address {
	proxy_pass http://electrs-liquid/address;
}
location /api/tx {
	proxy_pass http://electrs-liquid/tx;
}
location /api/block {
	proxy_pass http://electrs-liquid/block;
}
location /api/ {
	proxy_pass http://electrs-liquid/;
}

# liquid API
location /liquid/api/v1/ws {
	proxy_pass http://127.0.0.1:8998/;
	proxy_http_version 1.1;
	proxy_set_header Upgrade $http_upgrade;
	proxy_set_header Connection "Upgrade";
}
location /liquid/api/v1 {
	proxy_pass http://127.0.0.1:8998/api/v1;
}
location /liquid/api/ {
	proxy_pass http://electrs-liquid/;
}

# liquidtestnet API
location /liquidtestnet/api/v1/ws {
	proxy_pass http://127.0.0.1:8994/;
	proxy_http_version 1.1;
	proxy_set_header Upgrade $http_upgrade;
	proxy_set_header Connection "Upgrade";
}
location /liquidtestnet/api/v1 {
	proxy_pass http://127.0.0.1:8994/api/v1;
}
location /liquidtestnet/api/ {
	proxy_pass http://electrs-liquidtestnet/;
}