feature: 基于子域名转发到不同的邮箱中去 (#645) (#647)

worker/src/utils.ts

@@ -1,6 +1,6 @@
 import { Context } from "hono";
 import { createMimeMessage } from "mimetext";
-import { HonoCustomType, UserRole, AnotherWorker } from "./types";
+import { HonoCustomType, UserRole, SubdomainForwardAddressList, AnotherWorker } from "./types";
 
 export const getJsonObjectValue = <T = any>(
     value: string | any
@@ -165,6 +165,22 @@ export const getUserRoles = (c: Context<HonoCustomType>): UserRole[] => {
     return c.env.USER_ROLES;
 }
 
+export const getSubdomainForwardAddressList = (c: Context<HonoCustomType>): SubdomainForwardAddressList[] => {
+    if (!c.env.SUBDOMAIN_FORWARD_ADDRESS_LIST) {
+        return [];
+    }
+    // check if SUBDOMAIN_FORWARD_ADDRESS_LIST is an array, if not use json.parse
+    if (!Array.isArray(c.env.SUBDOMAIN_FORWARD_ADDRESS_LIST)) {
+        try {
+            return JSON.parse(c.env.SUBDOMAIN_FORWARD_ADDRESS_LIST);
+        } catch (e) {
+            console.error("Failed to parse SUBDOMAIN_FORWARD_ADDRESS_LIST", e);
+            return [];
+        }
+    }
+    return c.env.SUBDOMAIN_FORWARD_ADDRESS_LIST;
+}
+
 export const getAnotherWorkerList = (c: Context<HonoCustomType>): AnotherWorker[] => {
     if (!c.env.ANOTHER_WORKER_LIST) {
         return [];