Restore URL, salt hashes

Author: zephraph

packages/astro-md/middleware.ts

@@ -18,9 +18,11 @@ class SyntaxHighlightRewriter implements HTMLRewriterElementContentHandlers {
   private lang: string = "";
   private code: string = "";
   cache: KVNamespace;
+  salt: string;
 
   constructor(private runtime: Runtime["runtime"]) {
     this.cache = runtime.env.KV_HIGHLIGHT;
+    this.salt = runtime.env.SYNTAX_SALT;
   }
 
   element(element: Element) {
@@ -33,7 +35,9 @@ class SyntaxHighlightRewriter implements HTMLRewriterElementContentHandlers {
     if (text.lastInTextNode) {
       const hashBuffer = await crypto.subtle.digest(
         "SHA-1",
-        new TextEncoder().encode(`${theme}-${this.lang}-${this.code}`)
+        new TextEncoder().encode(
+          `${this.salt}-${theme}-${this.lang}-${this.code}`
+        )
       );
       const hashArray = Array.from(new Uint8Array(hashBuffer));
       const hash = hashArray
@@ -53,7 +57,7 @@ class SyntaxHighlightRewriter implements HTMLRewriterElementContentHandlers {
       this.runtime.ctx.waitUntil(this.cache.get(hash));
 
       const res = await fetch(
-        `https://just_be-highlight.web.val.run?lang=${this.lang}&theme=${theme}`,
+        `https://highlight.val.just-be.dev?lang=${this.lang}&theme=${theme}`,
         {
           method: "POST",
           body: this.code,

worker-configuration.d.ts

@@ -9,6 +9,7 @@ interface Env {
 	PUBLISH_KEY: string;
 	SENTRY_DSN: string;
 	SENTRY_AUTH_TOKEN: string;
+	SYNTAX_SALT: string;
 	R2_BUCKET: R2Bucket;
 	R2_ASSETS: R2Bucket;
 }