Add redirect rules to prevent SEO duplicate content across web server configurations (#646)

Author: jaydrogers

src/variations/fpm-apache/etc/apache2/vhost-templates/http.conf

@@ -13,6 +13,11 @@ DocumentRoot ${APACHE_DOCUMENT_ROOT}
     DirectoryIndex index.php index.html index.htm
 </Directory>
 
+# Redirect /index.php/... to /... to prevent SEO duplicate content
+RewriteEngine On
+RewriteCond %{THE_REQUEST} \s/index\.php/
+RewriteRule ^/index\.php(/.+)$ $1 [R=301,L,QSA]
+
 # Healthchecks: Set /healthcheck to be the healthcheck URL
 ProxyPass "/healthcheck" "fcgi://localhost:9000"
 ProxyPassReverse "/healthcheck" "fcgi://localhost:9000"

src/variations/fpm-apache/etc/apache2/vhost-templates/https.conf

@@ -18,6 +18,11 @@ DocumentRoot ${APACHE_DOCUMENT_ROOT}
     DirectoryIndex index.php index.html index.htm
 </Directory>
 
+# Redirect /index.php/... to /... to prevent SEO duplicate content
+RewriteEngine On
+RewriteCond %{THE_REQUEST} \s/index\.php/
+RewriteRule ^/index\.php(/.+)$ $1 [R=301,L,QSA]
+
 # Healthchecks: Set /healthcheck to be the healthcheck URL
 ProxyPass "/healthcheck" "fcgi://localhost:9000"
 ProxyPassReverse "/healthcheck" "fcgi://localhost:9000"

src/variations/fpm-nginx/etc/nginx/site-opts.d/http.conf.template

@@ -36,6 +36,11 @@ location ~* ^/storage/.*\.php$ {
     deny all;
 }
 
+# Redirect /index.php/... to /... to prevent SEO duplicate content
+location ~ ^/index\.php(/.+)$ {
+    return 301 $1$is_args$args;
+}
+
 # Pass "*.php" files to PHP-FPM
 location ~ \.php$ {
     fastcgi_pass   127.0.0.1:9000;

src/variations/fpm-nginx/etc/nginx/site-opts.d/https.conf.template

@@ -42,6 +42,11 @@ location ~* ^/storage/.*\.php$ {
     deny all;
 }
 
+# Redirect /index.php/... to /... to prevent SEO duplicate content
+location ~ ^/index\.php(/.+)$ {
+    return 301 $1$is_args$args;
+}
+
 # Pass "*.php" files to PHP-FPM
 location ~ \.php$ {
     fastcgi_pass   127.0.0.1:9000;

src/variations/frankenphp/etc/frankenphp/Caddyfile

@@ -59,6 +59,10 @@
 	}
 	log_skip @healthcheckpath
 
+	# Redirect /index.php/... to /... to prevent SEO duplicate content
+	@indexphp path_regexp indexphp ^/index\.php(/.+)$
+	redir @indexphp {re.indexphp.1} 301
+
 	php_server {
 		{$CADDY_PHP_SERVER_OPTIONS}
 	}