From fafa371074c6ebf85927f41e6c4ff52ae22710ab Mon Sep 17 00:00:00 2001
From: Sorah Fukumori <her@sorah.jp>
Date: Mon, 11 Nov 2024 15:56:54 +0900
Subject: [PATCH] Configure proxy_redirect for github pages hosted

---
 config/nginx.conf.erb               | 35 +++++++++++--
 spec/regional_rubykaigi_org_spec.rb | 78 ++++++++++++++++++-----------
 2 files changed, 80 insertions(+), 33 deletions(-)

diff --git a/config/nginx.conf.erb b/config/nginx.conf.erb
index b662a58..58eb673 100644
--- a/config/nginx.conf.erb
+++ b/config/nginx.conf.erb
@@ -44,6 +44,11 @@ http {
     default "public, max-age=0, s-maxage=31536000";
   }
 
+  map $http_x_forwarded_proto $map_request_proto {
+    "https" "https";
+    default "http";
+  }
+
   access_log <%= platform == 'heroku' ? 'logs/nginx/access.log' : '/dev/stdout' %> l2met;
   error_log <%= platform == 'heroku' ? 'logs/nginx/access.log' : '/dev/stderr' %>;
 
@@ -139,28 +144,34 @@ http {
 
     location /osaka04 {
       include force_https.conf;
+      proxy_redirect https://rubykansai.github.io/osaka04 $map_request_proto://$http_host/osaka04;
       proxy_pass https://rubykansai.github.io;
     }
 
     location /osaka03 {
       include force_https.conf;
+      proxy_redirect https://rubykansai.github.io/osaka03 $map_request_proto://$http_host/osaka03;
       proxy_pass https://rubykansai.github.io;
     }
 
     location ~ ^/osaka02(.*) {
+      proxy_redirect https://rubykansai.github.io/osaka02 $map_request_proto://$http_host/osaka02;
       proxy_pass https://rubykansai.github.io;
     }
 
     location ~ ^/osaka01(.*) {
+      proxy_redirect https://rubykansai.github.io/osaka01 $map_request_proto://$http_host/osaka01;
       proxy_pass https://rubykansai.github.io;
     }
 
     location /kansai08 {
       include force_https.conf;
+      proxy_redirect https://rubykansai.github.io/kansai08 $map_request_proto://$http_host/kansai08;
       proxy_pass https://rubykansai.github.io;
     }
 
     location ~ ^/kansai2017(.*) {
+      proxy_redirect https://rubykansai.github.io/kansai2017 $map_request_proto://$http_host/kansai2017;
       proxy_pass https://rubykansai.github.io;
     }
 
@@ -168,6 +179,7 @@ http {
     # kansai 06, y10y
     #
     location ~ ^/kansai06(.*) {
+      proxy_redirect https://rubykansai.github.io/kansai06 $map_request_proto://$http_host/kansai06;
       proxy_pass https://rubykansai.github.io;
     }
 
@@ -182,6 +194,7 @@ http {
     # chuork 01, y6y
     #
     location ~ ^/chuork01(.*) {
+      proxy_redirect https://chuork.github.io/chuork01 $map_request_proto://$http_host/chuork01;
       proxy_pass https://chuork.github.io;
     }
 
@@ -189,6 +202,8 @@ http {
     # okrk01, y6y
     #
     location ~ ^/okrk01(.*) {
+      proxy_redirect https://ruby.okinawa/okrk01 $map_request_proto://$http_host/okrk01;
+      proxy_set_header Host "ruby.okinawa";
       proxy_pass https://okinawarb.github.io;
     }
 
@@ -196,7 +211,8 @@ http {
     # shibuya01, y6y
     #
     location ~ ^/shibuya01(.*) {
-    proxy_pass https://shibuyarb.github.io;
+      proxy_redirect https://shibuyarb.github.io/shibuya01 $map_request_proto://$http_host/shibuya01;
+      proxy_pass https://shibuyarb.github.io;
     }
 
     #
@@ -210,6 +226,7 @@ http {
     # tokyu13, y6y
     #
     location ~ ^/tokyu13(.*) {
+      proxy_redirect https://tokyurubykaigi.github.io/tokyu13 $map_request_proto://$http_host/tokyu13;
       proxy_pass https://tokyurubykaigi.github.io;
     }
 
@@ -217,6 +234,7 @@ http {
     # tokyu12, y6y
     #
     location ~ ^/tokyu12(.*) {
+      proxy_redirect https://tokyurubykaigi.github.io/tokyu12 $map_request_proto://$http_host/tokyu12;
       proxy_pass https://tokyurubykaigi.github.io;
     }
 
@@ -224,6 +242,7 @@ http {
     # tokyu11, y6y
     #
     location ~ ^/tokyu11(.*) {
+      proxy_redirect https://tokyurubykaigi.github.io/tokyu11 $map_request_proto://$http_host/tokyu11;
       proxy_pass https://tokyurubykaigi.github.io;
     }
 
@@ -231,6 +250,7 @@ http {
     # tokyu09, y6y
     #
     location ~ ^/tokyu09(.*) {
+      proxy_redirect https://tokyurubykaigi.github.io/tokyu09 $map_request_proto://$http_host/tokyu09;
       proxy_pass https://tokyurubykaigi.github.io;
     }
 
@@ -238,14 +258,16 @@ http {
     # tokyu08, y6y
     #
     location ~ ^/tokyu08(.*) {
-    proxy_pass https://tokyurb.github.io;
+      proxy_redirect https://tokyurb.github.io/tokyu08 $map_request_proto://$http_host/tokyu08;
+      proxy_pass https://tokyurb.github.io;
     }
 
     #
     # kanagawa01, y6y
     #
     location ~ ^/kana01(.*) {
-    proxy_pass https://kawasakirb.github.io;
+      proxy_redirect https://kawasakirb.github.io/kana01 $map_request_proto://$http_host/kana01;
+      proxy_pass https://kawasakirb.github.io;
     }
 
     location ~ ^/hamamatsu01(.*) {
@@ -262,24 +284,29 @@ http {
 
     location ~ ^/oedo10(.*) {
       include force_https.conf;
+      proxy_redirect https://asakusa.rubyist.net/oedo10 $map_request_proto://$http_host/oedo10;
+      proxy_set_header Host "asakusa.rubyist.net";
       proxy_pass https://asakusarb.github.io;
     }
 
     location /tokyo12 {
       include force_https.conf;
-      proxy_redirect https://tokyorubykaigi12.github.io/tokyo12 https://regional.rubykaigi.org/tokyo12;
+      proxy_redirect https://tokyorubykaigi12.github.io/tokyo12 $map_request_proto://$http_host/tokyo12;
       proxy_pass https://tokyorubykaigi12.github.io;
     }
 
     location ~ ^/tokyo11(.*) {
+      proxy_redirect https://ko1.github.io/tokyo11 $map_request_proto://$http_host/tokyo11;
       proxy_pass https://ko1.github.io;
     }
 
     location ~ ^/tokyu10(.*) {
+      proxy_redirect https://tokyurubykaigi.github.io/tokyu10 $map_request_proto://$http_host/tokyu10;
       proxy_pass https://tokyurubykaigi.github.io;
     }
 
     location ~ ^/kwsk01(.*) {
+      proxy_redirect https://kawasakirb.github.io/kwsk01 $map_request_proto://$http_host/kwsk01;
       proxy_pass https://kawasakirb.github.io;
     }
 
diff --git a/spec/regional_rubykaigi_org_spec.rb b/spec/regional_rubykaigi_org_spec.rb
index 198ecb1..767db52 100644
--- a/spec/regional_rubykaigi_org_spec.rb
+++ b/spec/regional_rubykaigi_org_spec.rb
@@ -12,33 +12,17 @@
   %w(
     /
     /oedo03/
-    /osaka01/
-    /kansai2017/
-    /kansai06/
     /kansai05/
-    /chuork01/
-    /shibuya01/
-    /tokyu12/
-    /tokyu11/
-    /tokyu09/
-    /tokyu08/
-    /kana01/
     /oedo04/
     /hamamatsu01/
     /oedo05/
     /oedo06/
-    /oedo10/
-    /tokyo12/
-    /tokyo11/
-    /tokyu10/
-    /kwsk01/
   ).each do |path|
     describe(path) do
       let(:res) { http_get("https://regional.rubykaigi.org#{path}") }
       it "returns ok" do
         pending 'kanrk05.herokuapp.com is down' if path == '/kansai05/'
         pending 'http://rubykaigi-hamamatsu.s3-website-ap-northeast-1.amazonaws.com/hamamatsu01/ returns C-T:application/javascript' if path == '/hamamatsu01/'
-        pending 'asakusa.github.io returns 301 (#110)' if path == '/oedo10/'
 
         expect(res.code).to eq("200")
         expect(res["content-type"]).to include("text/html")
@@ -46,18 +30,55 @@
     end
   end
 
-  %w(
-    tokyo12
-  ).each do |subdir|
-    describe("/#{subdir}") do
-      let(:res) { http_get("https://regional.rubykaigi.org/#{subdir}") }
-      it "may redirect to a path with trailing slash" do
-        case res.code
-        when "200"
-          expect(res["content-type"]).to include("text/html")
-        when /^3/
-          expect(res["location"]).to include("regional.rubykaigi.org/#{subdir}")
-          expect(res["location"]).not_to include("github.io/")
+
+  describe "GitHub Pages hosted subdirectories" do
+    %w(
+      tokyo12
+      osaka04
+      osaka03
+      osaka02
+      osaka01
+      kansai08
+      kansai2017
+      kansai06
+      chuork01
+      okrk01
+      shibuya01
+      tokyu13
+      tokyu12
+      tokyu11
+      tokyu09
+      tokyu08
+      kana01
+      oedo10
+      tokyo12
+      tokyo11
+      tokyu10
+      kwsk01
+    ).each do |subdir|
+      describe(subdir) do
+        describe "/#{subdir}" do
+          let(:res) { http_get("https://regional.rubykaigi.org/#{subdir}") }
+          it "may redirect to a path with trailing slash" do
+            case res.code
+            when "200"
+              expect(res["content-type"]).to include("text/html")
+            when /^3/
+              expect(res["location"]).to include("regional.rubykaigi.org/#{subdir}/")
+              expect(res["location"]).not_to include("github.io/")
+            end
+          end
+        end
+
+        describe "/#{subdir}/" do
+          let(:res) { http_get("https://regional.rubykaigi.org/#{subdir}/") }
+          it "returns ok" do
+            #pending 'kanrk05.herokuapp.com is down' if path == '/kansai05/'
+            #pending 'http://rubykaigi-hamamatsu.s3-website-ap-northeast-1.amazonaws.com/hamamatsu01/ returns C-T:application/javascript' if path == '/hamamatsu01/'
+            #pending 'asakusa.github.io returns 301 (#110)' if path == '/oedo10/'
+            expect(res.code).to eq("200")
+            expect(res["content-type"]).to include("text/html")
+          end
         end
       end
     end
@@ -68,7 +89,6 @@
     /matsue08/ matsue.rubyist.net
     /matrk07/ matsue.rubyist.net
     /matsue07/ matsue.rubyist.net
-    /okrk01/ ruby.okinawa
   ).each_slice(2) do |path, host|
     describe(path) do
       let(:res) { http_get("https://regional.rubykaigi.org#{path}") }