add integrity hash for index.js

build.sh

@@ -1,14 +1,19 @@
 #!/bin/sh
 
+set -e
+
 # Clean environment
 rm -rf dist
 
 # Build
-mkdir dist
-php src/index.php | minify --type html -o dist/index.html
-minify -o dist/default.css src/default.css
-minify -o dist/index.js src/index.js
+mkdir dist && cd dist
+
+# Minify static assets
+minify -o default.css ../src/default.css
+minify -o index.js ../src/index.js
 
 # Copy other assets
-cp src/api.php dist/api.php
-cp src/template.php dist/template.php
+cp ../src/api.php ../src/template.php ./
+
+# Compile PHP and minify
+php ../src/index.php | minify --type html -o index.html

src/index.php

@@ -182,7 +182,7 @@
     <ion-icon name="eye"></ion-icon> Preview
   </button>
   <div id="previewBlock" class="offcanvas offcanvas-end z-1"></div>
-  <script src="./index.js"></script>
+  <script src="index.js" integrity="sha384-<?= base64_encode(hash_file("sha384", "index.js", true)) ?>"></script>
 
   <script type="module" src="<?= $ionicons_source ?>/dist/ionicons/ionicons.esm.js"></script>
   <script nomodule src="<?= $ionicons_source ?>/dist/ionicons/ionicons.js"></script>