Fix Stefano PDF email delivery path

integrations/google-workspace/gw.js

@@ -11,7 +11,6 @@
 
 const fs = require('fs');
 const path = require('path');
-const { google } = require('googleapis');
 
 const DEFAULT_SUBJECT = process.env.GW_IMPERSONATE || 'stefano@fiorinis.com';
 const DEFAULT_KEY_CANDIDATES = [
@@ -45,7 +44,11 @@ function parseArgs(argv) {
       if (!next || next.startsWith('--')) {
         out[key] = true;
       } else {
-        out[key] = next;
+        if (Object.hasOwn(out, key)) {
+          out[key] = Array.isArray(out[key]) ? out[key].concat(next) : [out[key], next];
+        } else {
+          out[key] = next;
+        }
         i++;
       }
     } else {
@@ -63,7 +66,7 @@ Env (optional):
 
 Commands:
   whoami
-  send --to <email> --subject <text> --body <text> [--html]
+  send --to <email> --subject <text> --body <text> [--html] [--attach <file>]
   search-mail --query <gmail query> [--max 10]
   search-calendar --query <text> [--max 10] [--timeMin ISO] [--timeMax ISO] [--calendar primary]
   create-event --summary <text> --start <ISO> --end <ISO> [--timeZone America/Chicago] [--description <text>] [--location <text>] [--calendar primary]
@@ -77,17 +80,82 @@ function assertRequired(opts, required) {
   }
 }
 
-function makeRawEmail({ from, to, subject, body, isHtml = false }) {
+function toArray(value) {
+  if (value == null || value === false) return [];
+  return Array.isArray(value) ? value : [value];
+}
+
+function getAttachmentContentType(filename) {
+  const ext = path.extname(filename).toLowerCase();
+  if (ext === '.pdf') return 'application/pdf';
+  if (ext === '.txt') return 'text/plain; charset="UTF-8"';
+  if (ext === '.html' || ext === '.htm') return 'text/html; charset="UTF-8"';
+  if (ext === '.json') return 'application/json';
+  return 'application/octet-stream';
+}
+
+function wrapBase64(base64) {
+  return base64.match(/.{1,76}/g)?.join('\r\n') || '';
+}
+
+function loadAttachments(attachArg) {
+  return toArray(attachArg).map((filePath) => {
+    const absolutePath = path.resolve(filePath);
+    if (!fs.existsSync(absolutePath)) {
+      throw new Error(`Attachment file not found: ${absolutePath}`);
+    }
+
+    return {
+      filename: path.basename(absolutePath),
+      contentType: getAttachmentContentType(absolutePath),
+      data: fs.readFileSync(absolutePath).toString('base64'),
+    };
+  });
+}
+
+function makeRawEmail({ from, to, subject, body, isHtml = false, attachments = [] }) {
   const contentType = isHtml ? 'text/html; charset="UTF-8"' : 'text/plain; charset="UTF-8"';
-  const msg = [
-    `From: ${from}`,
-    `To: ${to}`,
-    `Subject: ${subject}`,
-    'MIME-Version: 1.0',
-    `Content-Type: ${contentType}`,
-    '',
-    body,
-  ].join('\r\n');
+  const normalizedAttachments = attachments.filter(Boolean);
+
+  let msg;
+  if (normalizedAttachments.length === 0) {
+    msg = [
+      `From: ${from}`,
+      `To: ${to}`,
+      `Subject: ${subject}`,
+      'MIME-Version: 1.0',
+      `Content-Type: ${contentType}`,
+      '',
+      body,
+    ].join('\r\n');
+  } else {
+    const boundary = `gw-boundary-${Date.now().toString(36)}-${Math.random().toString(36).slice(2, 10)}`;
+    msg = [
+      `From: ${from}`,
+      `To: ${to}`,
+      `Subject: ${subject}`,
+      'MIME-Version: 1.0',
+      `Content-Type: multipart/mixed; boundary="${boundary}"`,
+      '',
+      `--${boundary}`,
+      `Content-Type: ${contentType}`,
+      'Content-Transfer-Encoding: 7bit',
+      '',
+      body,
+      '',
+      ...normalizedAttachments.flatMap((attachment) => [
+        `--${boundary}`,
+        `Content-Type: ${attachment.contentType}; name="${attachment.filename}"`,
+        'Content-Transfer-Encoding: base64',
+        `Content-Disposition: attachment; filename="${attachment.filename}"`,
+        '',
+        wrapBase64(attachment.data),
+        '',
+      ]),
+      `--${boundary}--`,
+      '',
+    ].join('\r\n');
+  }
 
   return Buffer.from(msg)
     .toString('base64')
@@ -97,6 +165,7 @@ function makeRawEmail({ from, to, subject, body, isHtml = false }) {
 }
 
 async function getClients() {
+  const { google } = require('googleapis');
   const keyPath = resolveKeyPath();
   if (!keyPath) {
     throw new Error('Service account key not found. Set GW_KEY_PATH or place the file in ~/.openclaw/workspace/.clawdbot/credentials/google-workspace/service-account.json');
@@ -132,6 +201,7 @@ async function cmdSend(clients, opts) {
     subject: opts.subject,
     body: opts.body,
     isHtml: !!opts.html,
+    attachments: loadAttachments(opts.attach),
   });
 
   const res = await clients.gmail.users.messages.send({
@@ -222,7 +292,7 @@ async function cmdCreateEvent(clients, opts) {
   console.log(JSON.stringify({ ok: true, id: res.data.id, htmlLink: res.data.htmlLink }, null, 2));
 }
 
-(async function main() {
+async function main() {
   try {
     const args = parseArgs(process.argv.slice(2));
     const cmd = args._[0];
@@ -245,4 +315,19 @@ async function cmdCreateEvent(clients, opts) {
     console.error(`ERROR: ${err.message}`);
     process.exit(1);
   }
-})();
+}
+
+if (require.main === module) {
+  main();
+}
+
+module.exports = {
+  getAttachmentContentType,
+  loadAttachments,
+  main,
+  makeRawEmail,
+  parseArgs,
+  resolveKeyPath,
+  toArray,
+  wrapBase64,
+};