hopefully fixed pointer deref / invalid mem access issue

app/src/main.v

@@ -3,6 +3,7 @@ module main
 import os
 import veb
 import util
+import thomaspeissl.dotenv
 
 //
 
@@ -24,13 +25,15 @@ pub struct App {
 	veb.Controller
 	veb.StaticHandler
 	veb.Middleware[Context]
-pub mut:
-	embed util.Embedded
 pub:
-	cfg util.Config
+	cfg   &util.Config
+	embed util.Embedded
 }
 
-pub struct Auth {}
+pub struct Auth {
+pub:
+	app &App
+}
 
 // endpoints
 
@@ -80,7 +83,7 @@ pub fn (auth &Auth) register(mut ctx Context) veb.Result {
 // utility
 
 fn (mut ctx Context) error_page(code int, short string, long string) string {
-	style := ctx.embed.error_css
+	style := ctx.embed.error_css.clone()
 	return $tmpl('template/error.html')
 }
 
@@ -96,7 +99,10 @@ pub fn (mut ctx Context) not_found() veb.Result {
 
 // --
 
-fn populate() &util.Config {
+fn populate() (&util.Config, &util.Embedded) {
+	dotenv.load()
+	dotenv.require('CDN_DB_HOST', 'CDN_DB_PORT')
+
 	def_root := $d('root', '.')
 	def_port := int($d('port', 6767))
 
@@ -107,6 +113,8 @@ fn populate() &util.Config {
 		root:     if os.getenv('CDN_ROOT') != '' { os.getenv('CDN_ROOT').str() } else { def_root }
 		port:     if os.getenv('CDN_PORT') != '' { os.getenv('CDN_PORT').int() } else { def_port }
 		database: &util.Database{
+			host:     os.getenv('CDN_DB_HOST').str()
+			port:     os.getenv('CDN_DB_PORT').int()
 			username: if os.getenv('CDN_DB_USERNAME') != '' {
 				os.getenv('CDN_DB_USERNAME').str()
 			} else {
@@ -118,17 +126,20 @@ fn populate() &util.Config {
 				def_pass
 			}
 		}
+	}, &util.Embedded{
+		style_css: $embed_file('assets/style/style.css', .zlib).to_string()
+		error_css: $embed_file('assets/style/error.css', .zlib).to_string()
 	}
 }
 
 fn main() {
+	cfg, mut embed := populate()
 	mut app := &App{
-		cfg: populate()
+		cfg:   cfg
+		embed: embed
 	}
-	mut auth := &Auth{}
+	mut auth := &Auth{
-	app.embed = &util.Embedded{
+		app: &app
-		style_css: $embed_file('assets/style/style.css', .zlib).to_string()
-		error_css: $embed_file('assets/style/error.css', .zlib).to_string()
 	}
 
 	app.register_controller[Auth, Context]('/auth', mut auth)!
@@ -137,8 +148,8 @@ fn main() {
 	app.use(veb.encode_auto[Context]())
 
 	app.use(veb.MiddlewareOptions[Context]{
-		handler: fn [app] (mut ctx Context) bool {
+		handler: fn [mut embed] (mut ctx Context) bool {
-			ctx.embed = &app.embed
+			ctx.embed = embed
 			return true
 		}
 	})