From 295d1751b1c1bb1e8abd5fda3c003b5a77a2f082 Mon Sep 17 00:00:00 2001
From: Zankaria <zankaria.auxa@mailu.io>
Date: Sat, 13 Apr 2024 00:07:03 +0200
Subject: [PATCH 1/4] banners.php: make banners redirect instead of serving the
 image directly

---
 banners.php | 18 +++++-------------
 1 file changed, 5 insertions(+), 13 deletions(-)

diff --git a/banners.php b/banners.php
index ef75c2cb..f08d3b03 100644
--- a/banners.php
+++ b/banners.php
@@ -1,16 +1,8 @@
 <?php
-function getBannerSrc(){
-	$files = scandir(__dir__.'/banners/');
-	$files = array_diff($files, array('.', '..'));
-	return $files[array_rand($files)];
-}
 
-$filename = getBannerSrc();
-$filename = "banners/" . $filename;
-$fp = fopen($filename, 'rb');
+$files = scandir(__dir__ . '/banners/', SCANDIR_SORT_NONE);
+$files = array_diff($files, ['.', '..']);
 
-header("Content-Type: image/png");
-header("Content-Length: " . filesize($filename)); 
-
-fpassthru($fp);
-?>
\ No newline at end of file
+$filename = $files[array_rand($files)];
+header("Location: /banners/$filename", true, 307);
+header('Cache-Control: no-cache');

From 05952a6222943b084a1d5131bdfbceaa4fc60229 Mon Sep 17 00:00:00 2001
From: Zankaria <zankaria.auxa@mailu.io>
Date: Sat, 13 Apr 2024 12:22:32 +0200
Subject: [PATCH 2/4] docker: add banners/ directory to directories to copy
 over

---
 docker/php/bootstrap.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docker/php/bootstrap.sh b/docker/php/bootstrap.sh
index e94dcf28..131a7000 100755
--- a/docker/php/bootstrap.sh
+++ b/docker/php/bootstrap.sh
@@ -25,7 +25,6 @@ fi
 
 # Link the entrypoints from the exposed directory.
 ln -nfs \
-    /code/banners/ \
     /code/tools/ \
     /code/walls/ \
     /code/*.php \
@@ -36,6 +35,7 @@ ln -nfs \
 # Static files accessible from the webserver must be copied.
 cp -ur /code/static /var/www/
 cp -ur /code/stylesheets /var/www/
+cp -ur /code/banners /var/www/
 
 # Ensure correct permissions are set, since this might be bind mount.
 chown www-data /var/www

From c09a85ca65448926f39538d81523424ceb7ba342 Mon Sep 17 00:00:00 2001
From: Zankaria <zankaria.auxa@mailu.io>
Date: Sat, 13 Apr 2024 12:27:56 +0200
Subject: [PATCH 3/4] docker: fix nginx site config

---
 docker/nginx/leftypol.conf | 17 +----------------
 1 file changed, 1 insertion(+), 16 deletions(-)

diff --git a/docker/nginx/leftypol.conf b/docker/nginx/leftypol.conf
index cdb28076..83f8b10a 100644
--- a/docker/nginx/leftypol.conf
+++ b/docker/nginx/leftypol.conf
@@ -20,22 +20,7 @@ server {
 
 	# Expire rules for static content
 	# Media: images, icons, video, audio, HTC
-	location ~* \.(?:jpg|jpeg|gif|png|ico|cur|gz|svg|svgz|mp4|ogg|ogv|webm|htc)$ {
-		expires 1M;
-		access_log off;
-		log_not_found off;
-		add_header Cache-Control "public";
-	}
-	# CSS and Javascript
-	location ~* \.(?:css|js)$ {
-		expires 1y;
-		access_log off;
-		log_not_found off;
-		add_header Cache-Control "public";
-	}
-	# Expire rules for static content
-	# Media: images, icons, video, audio, HTC
-	location ~* \.(?:jpg|jpeg|gif|png|ico|cur|gz|svg|svgz|mp4|ogg|ogv|webm|htc)$ {
+	location ~* \.(?:jpg|jpeg|gif|png|webp|ico|cur|gz|svg|svgz|mp4|ogg|ogv|webm|htc)$ {
 		expires 1M;
 		access_log off;
 		log_not_found off;

From 4ca2f5f3a310228b8065a8ecd9c178cf4819c15f Mon Sep 17 00:00:00 2001
From: Zankaria <zankaria.auxa@mailu.io>
Date: Sat, 13 Apr 2024 12:53:12 +0200
Subject: [PATCH 4/4] docker: very aggressive CDN, media, css and js file
 caching on nginx site config

---
 docker/nginx/leftypol.conf | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/docker/nginx/leftypol.conf b/docker/nginx/leftypol.conf
index 83f8b10a..b531e736 100644
--- a/docker/nginx/leftypol.conf
+++ b/docker/nginx/leftypol.conf
@@ -21,17 +21,16 @@ server {
 	# Expire rules for static content
 	# Media: images, icons, video, audio, HTC
 	location ~* \.(?:jpg|jpeg|gif|png|webp|ico|cur|gz|svg|svgz|mp4|ogg|ogv|webm|htc)$ {
-		expires 1M;
-		access_log off;
 		log_not_found off;
-		add_header Cache-Control "public";
+		# Public cache, never changes until max-age expires, max-age of 1 month, can still be served while being
+		# revalidated or if the server is erroring for 1 day.
+		add_header Cache-Control "public, immutable, max-age=2592000, stale-while-revalidate=86400, stale-if-error=86400";
 	}
 	# CSS and Javascript
 	location ~* \.(?:css|js)$ {
-		expires 1y;
-		access_log off;
 		log_not_found off;
-		add_header Cache-Control "public";
+		# Public cache, max-age of 1 year, can still be served while being revalidated or if the server is erroring for 1 day.
+		add_header Cache-Control "public, max-age=31536000, stale-while-revalidate=86400, stale-if-error=86400";
 	}
 
 	location ~* \.(html)$ {