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