fix(templates): Fix string style

main.go

@@ -1,20 +1,34 @@
 package main
 
 import (
+	"crypto/sha256"
+	"crypto/subtle"
 	"flag"
 	"log"
 
 	"git.odit.services/lfk/document-server/docs" // Correct import path for docs
 	"git.odit.services/lfk/document-server/handlers"
 	"github.com/gofiber/fiber/v2"
+	"github.com/gofiber/fiber/v2/middleware/keyauth"
 	"github.com/gofiber/swagger"
 )
 
 var (
 	port   = flag.String("port", ":3000", "Port to listen on")
 	prod   = flag.Bool("prod", false, "Enable prefork in Production")
+	apiKey = flag.String("apikey", "lfk", "API key for incoming authentication")
 )
 
+func validateAPIKey(c *fiber.Ctx, key string) (bool, error) {
+	hashedAPIKey := sha256.Sum256([]byte(*apiKey))
+	hashedKey := sha256.Sum256([]byte(key))
+
+	if subtle.ConstantTimeCompare(hashedAPIKey[:], hashedKey[:]) == 1 {
+		return true, nil
+	}
+	return false, keyauth.ErrMissingOrMalformedAPIKey
+}
+
 // @title LfK Document Server API
 // @description This is the API documentation for the LfK Document Server - a tool for pdf generation.
 func main() {
@@ -30,6 +44,10 @@ func main() {
 	app.Get("/swagger/*", swagger.HandlerDefault)
 
 	v1 := app.Group("/v1")
+	v1.Use(keyauth.New(keyauth.Config{
+		KeyLookup: "header:Authorization",
+		Validator: validateAPIKey,
+	}))
 
 	v1.Get("/", func(c *fiber.Ctx) error {
 		return c.SendString("Hello, World!")

static/templates/certificate/de.html

@@ -12,7 +12,7 @@
       box-sizing: border-box;
       page-break-after: always;
       padding: 1.2cm 2cm 1.2cm 2cm;
-      background-image: url("data:image/png;base64,{{ loadImage 'certificate_background' }}");
+      background-image: url("data:image/png;base64,{{ loadImage "certificate_background" }}");
       background-repeat: no-repeat;
       background-size: 11cm;
       background-position: 5cm 5cm;

static/templates/certificate/en.html

@@ -12,7 +12,7 @@
       box-sizing: border-box;
       page-break-after: always;
       padding: 1.2cm 2cm 1.2cm 2cm;
-      background-image: url("data:image/png;base64,{{ loadImage 'certificate_background' }}");
+      background-image: url("data:image/png;base64,{{ loadImage "certificate_background" }}");
       background-repeat: no-repeat;
       background-size: 11cm;
       background-position: 5cm 5cm;