Files
gh-krishagel-geoffrey/skills/google-workspace/gmail/read_message.js
2025-11-30 08:35:59 +08:00

127 lines
2.9 KiB
JavaScript

#!/usr/bin/env node
/**
* Read Gmail Message
*
* Usage: node read_message.js <account> <message-id>
*
* Examples:
* node read_message.js psd 18d1234567890abc
*/
const { google } = require('googleapis');
const path = require('path');
const { getAuthClient } = require(path.join(__dirname, '..', 'auth', 'token_manager'));
async function readMessage(account, messageId) {
const auth = await getAuthClient(account);
const gmail = google.gmail({ version: 'v1', auth });
const response = await gmail.users.messages.get({
userId: 'me',
id: messageId,
format: 'full',
});
const message = response.data;
const headers = message.payload.headers;
const getHeader = (name) => {
const header = headers.find(h => h.name.toLowerCase() === name.toLowerCase());
return header ? header.value : '';
};
// Extract body
let body = '';
let htmlBody = '';
function extractBody(payload) {
if (payload.body && payload.body.data) {
const decoded = Buffer.from(payload.body.data, 'base64').toString('utf8');
if (payload.mimeType === 'text/plain') {
body = decoded;
} else if (payload.mimeType === 'text/html') {
htmlBody = decoded;
}
}
if (payload.parts) {
for (const part of payload.parts) {
extractBody(part);
}
}
}
extractBody(message.payload);
// Get attachments info
const attachments = [];
function findAttachments(payload) {
if (payload.filename && payload.body && payload.body.attachmentId) {
attachments.push({
filename: payload.filename,
mimeType: payload.mimeType,
size: payload.body.size,
attachmentId: payload.body.attachmentId,
});
}
if (payload.parts) {
for (const part of payload.parts) {
findAttachments(part);
}
}
}
findAttachments(message.payload);
return {
success: true,
account,
message: {
id: message.id,
threadId: message.threadId,
from: getHeader('From'),
to: getHeader('To'),
cc: getHeader('Cc'),
subject: getHeader('Subject'),
date: getHeader('Date'),
body: body || htmlBody,
isHtml: !body && !!htmlBody,
labels: message.labelIds,
attachments,
},
metadata: {
timestamp: new Date().toISOString(),
}
};
}
// CLI interface
async function main() {
const [account, messageId] = process.argv.slice(2);
if (!account || !messageId) {
console.error(JSON.stringify({
error: 'Missing arguments',
usage: 'node read_message.js <account> <message-id>'
}));
process.exit(1);
}
try {
const result = await readMessage(account, messageId);
console.log(JSON.stringify(result, null, 2));
} catch (error) {
console.error(JSON.stringify({
error: error.message,
account,
messageId,
}));
process.exit(1);
}
}
main();
module.exports = { readMessage };