dynamic vars

apps/login/next-env-vars.d.ts

@@ -2,8 +2,12 @@ declare namespace NodeJS {
   interface ProcessEnv {
     // Allow any environment variable that matches the pattern
     [key: `${string}_AUDIENCE`]: string; // The system api url
-    [key: `${string}_AUDIENCE`]: string; // The service user id
-    [key: `${string}_AUDIENCE`]: string; // The service user private key
+    [key: `${string}_SYSTEM_USER_ID`]: string; // The service user id
+    [key: `${string}_SYSTEM_USER_PRIVATE_KEY`]: string; // The service user private key
+
+    AUDIENCE: string; // The fallback system api url
+    SYSTEM_USER_ID: string; // The fallback service user id
+    SYSTEM_USER_PRIVATE_KEY: string; // The fallback service user private key
 
     /**
      * Self hosting: The instance url

apps/login/src/lib/api.ts

@@ -5,31 +5,36 @@ export async function systemAPIToken({
 }: {
   serviceRegion: string;
 }) {
-  const REGIONS = ["eu1", "us1"].map((region) => {
-    return {
-      id: region,
-      audience: process.env[region + "_AUDIENCE"],
-      userID: process.env[region + "_SYSTEM_USER_ID"],
+  const prefix = serviceRegion.toUpperCase();
+  const token = {
+    audience: process.env[prefix + "_AUDIENCE"],
+    userID: process.env[prefix + "_SYSTEM_USER_ID"],
+    token: Buffer.from(
+      process.env[prefix.toUpperCase() + "_SYSTEM_USER_PRIVATE_KEY"] as string,
+      "base64",
+    ).toString("utf-8"),
+  };
+
+  if (!token.audience || !token.userID || !token.token) {
+    const fallbackToken = {
+      audience: process.env.AUDIENCE,
+      userID: process.env.SYSTEM_USER_ID,
       token: Buffer.from(
-        process.env[
-          region.toUpperCase() + "_SYSTEM_USER_PRIVATE_KEY"
-        ] as string,
+        process.env.SYSTEM_USER_PRIVATE_KEY,
         "base64",
       ).toString("utf-8"),
     };
-  });
 
-  const region = REGIONS.find((region) => region.id === serviceRegion);
-
-  if (!region || !region.audience || !region.userID || !region.token) {
-    throw new Error("Invalid region");
+    return newSystemToken({
+      audience: fallbackToken.audience,
+      subject: fallbackToken.userID,
+      key: fallbackToken.token,
+    });
   }
 
-  const token = newSystemToken({
-    audience: region.audience,
-    subject: region.userID,
-    key: region.token,
+  return newSystemToken({
+    audience: token.audience,
+    subject: token.userID,
+    key: token.token,
   });
-
-  return token;
 }