Email alias fix

apps/blade/package.json

@@ -21,8 +21,11 @@
     "@forge/auth": "workspace:*",
     "@forge/consts": "workspace:*",
     "@forge/db": "workspace:*",
+    "@forge/emails": "workspace:^",
+    "@forge/transactional": "workspace:^",
     "@forge/ui": "workspace:*",
     "@forge/validators": "workspace:*",
+    "@react-email/render": "1.1.0",
     "@stripe/react-stripe-js": "^3.0.0",
     "@stripe/stripe-js": "^5.2.0",
     "@t3-oss/env-nextjs": "^0.11.1",

packages/api/src/routers/email.ts

@@ -1,4 +1,5 @@
 import type { TRPCRouterRecord } from "@trpc/server";
+import type { GaxiosError } from "googleapis-common";
 import { z } from "zod";
 
 import { publicProcedure } from "../trpc";
@@ -11,43 +12,60 @@ export const emailRouter = {
         to: z.string().email(),
         subject: z.string().min(1),
         body: z.string().min(1),
+        from: z.string().min(1),
       }),
     )
     .mutation(async ({ input }) => {
+      const alias = input.from;
+
+      try {
+        await gmail.users.settings.sendAs.create({
+          userId: "me",
+          requestBody: {
+            sendAsEmail: alias,
+            displayName: "Knight Hacks",
+            treatAsAlias: true,
+            isDefault: false,
+          },
+        });
+      } catch (err: unknown) {
+        if ((err as GaxiosError).code !== "409") {
+          console.error("Error creating sendAs alias:", err);
+        }
+      }
+
       try {
-        // write email
         const rawMessage = [
+          `From: ${alias}`,
           `To: ${input.to}`,
-          "MIME-Version: 1.0", // needed for proper email formatting
-          "Content-Type: text/plain; charset=utf-8", // specify content type
+          "MIME-Version: 1.0",
+          "Content-Type: text/html; charset=utf-8",
           `Subject: ${input.subject}`,
-          "", // empty line between headers and body
+          "",
           input.body,
         ].join("\n");
 
-        // encode message properly for Gmail API
         const encodedMessage = Buffer.from(rawMessage)
           .toString("base64")
           .replace(/\+/g, "-")
           .replace(/\//g, "_")
           .replace(/=+$/, "");
 
-        // send email
         const response = await gmail.users.messages.send({
           userId: "me",
-          requestBody: {
-            raw: encodedMessage,
-          },
+          requestBody: { raw: encodedMessage },
         });
 
         return { success: true, messageId: response.data.id };
       } catch (error) {
         console.error("Error sending email:", {
           error: error instanceof Error ? error.message : error,
-          input: input,
+          input,
         });
         throw new Error(
-          `Failed to send email: ${error instanceof Error ? error.message : "Unknown error"}`,
+          `Failed to send email: ${
+            error instanceof Error ? error.message : "Unknown error"
+          }`,
         );
       }
     }),

packages/api/src/utils.ts

@@ -61,13 +61,15 @@ const GOOGLE_PRIVATE_KEY = Buffer.from(env.GOOGLE_PRIVATE_KEY_B64, "base64")
   .replace(/\\n/g, "\n");
 
 const gapiCalendar = "https://www.googleapis.com/auth/calendar";
-const gapiGmail = "https://www.googleapis.com/auth/gmail.send";
+const gapiGmailSend = "https://www.googleapis.com/auth/gmail.send";
+const gapiGmailSettingsSharing =
+  "https://www.googleapis.com/auth/gmail.settings.sharing";
 
 const auth = new google.auth.JWT(
   env.GOOGLE_CLIENT_EMAIL,
   undefined,
   GOOGLE_PRIVATE_KEY,
-  [gapiCalendar, gapiGmail],
+  [gapiCalendar, gapiGmailSend, gapiGmailSettingsSharing],
   GOOGLE_PERSONIFY_EMAIL as string,
 );