Restructure progress

2025-07-08 12:07:43 +02:00
parent 635f507e23
commit ed317feae7
32 changed files with 257 additions and 594 deletions
--- a/src/lib/google/gmail/server.ts
+++ b/src/lib/google/gmail/server.ts
@@ -0,0 +1,88 @@
+import { google } from 'googleapis';
+import quotedPrintable from 'quoted-printable';
+import { getAuthenticatedClient } from '../auth/server.js';
+
+/**
+ * Create an HTML email template
+ * @param text - Email body text
+ * @returns HTML email template
+ */
+export function createEmailTemplate(text: string): string {
+  return `<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <style>
+      @import url('https://fonts.googleapis.com/css2?family=Lato&display=swap');
+    </style>
+  </head>
+  <body style="font-family: 'Lato', sans-serif; background-color: #f9f9f9; padding: 20px; margin: 0;">
+    <div style="max-width: 600px; margin: auto; background: white; padding: 20px; border-radius: 8px;">
+      <p style="white-space: pre-line; font-size: 16px; color: #333;">${text}</p>
+      <img src="cid:qrCode1" alt="QR Code" style="display: block; margin: 20px auto; max-width: 50%; height: auto;" />
+    </div>
+  </body>
+</html>`;
+}
+
+/**
+ * Send an email through Gmail
+ * @param refreshToken - Google refresh token
+ * @param params - Email parameters (to, subject, text, qr_code)
+ */
+export async function sendGmail(
+  refreshToken: string,
+  {
+    to,
+    subject,
+    text,
+    qr_code
+  }: {
+    to: string;
+    subject: string;
+    text: string;
+    qr_code: string;
+  }
+) {
+  const oauth = getAuthenticatedClient(refreshToken);
+  const gmail = google.gmail({ version: 'v1', auth: oauth });
+  
+  const message_html = createEmailTemplate(text);
+  const boundary = 'BOUNDARY';
+  const nl = '\r\n';
+
+  const htmlBuffer = Buffer.from(message_html, 'utf8');
+  const htmlLatin1 = htmlBuffer.toString('latin1');
+  const htmlQP = quotedPrintable.encode(htmlLatin1);
+  const qrLines = qr_code.replace(/.{1,76}/g, '$&' + nl);
+
+  const rawParts = [
+    'MIME-Version: 1.0',
+    `To: ${to}`,
+    `Subject: ${subject}`,
+    `Content-Type: multipart/related; boundary="${boundary}"`,
+    '--' + boundary,
+    'Content-Type: text/html; charset="UTF-8"',
+    'Content-Transfer-Encoding: quoted-printable',
+    '',
+    htmlQP,
+    '',
+    '--' + boundary,
+    'Content-Type: image/png',
+    'Content-Transfer-Encoding: base64',
+    'Content-ID: <qrCode1>',
+    'Content-Disposition: inline; filename="qr.png"',
+    '',
+    qrLines,
+    '',
+    '--' + boundary + '--',
+    ''
+  ];
+  
+  const rawMessage = rawParts.join(nl);
+  const raw = Buffer.from(rawMessage).toString('base64url');
+
+  await gmail.users.messages.send({
+    userId: 'me',
+    requestBody: { raw }
+  });
+}