eml-parser/test2.js

Parse .eml and .msg files or convert to pdf, html, jpeg or png format. Extract headers and attachments from .eml and msg files.

const fs = require('fs');
const path = require('path');
const MsgReader = require('@kenjiuno/msgreader').default;
const decompressRTF = require('@kenjiuno/decompressrtf').decompressRTF;
const rtfParser = require('rtf-stream-parser');
const iconv = require('iconv-lite');

// Path to a sample .msg file in your workspace
const msgFilePath = path.join(__dirname, 'RE_3A__External_FW_3A_AR_DP_IN__2_.msg');

// Read the .msg file as a buffer
const msgBuffer = fs.readFileSync(msgFilePath);

// Create a MsgReader instance
const msgReader = new MsgReader(msgBuffer);

// Get the file data (parsed message)
const msgData = msgReader.getFileData();

// console.log('Subject:', msgData.subject);
// console.log('Sender Name:', msgData.senderName);
// console.log('Sender Email:', msgData.senderEmail);
// console.log('Recipients:', msgData.recipients);
console.log('Body (plain text):', msgData.body);
console.log('Body (HTML):', msgData.bodyHtml);
if (msgData.html && msgData.html instanceof Uint8Array) {
    const htmlString = Buffer.from(msgData.html).toString('utf8');
    console.log('Decoded HTML body:', htmlString);
} else {
    console.log('Body (html):', msgData.html);
}
// console.log('Attachments:', msgData.attachments);

console.log('All keys in msgData:', Object.keys(msgData));
// console.log('Full msgData object:', JSON.stringify(msgData, null, 2));
fs.writeFileSync('msgData.json', JSON.stringify(msgData, null, 2));

// If RTF body exists, extract and print as plain text
if (msgData.compressedRtf) {
    try {
        const outputArray = decompressRTF(msgData.compressedRtf);
        const decompressedRtf = Buffer.from(outputArray).toString('ascii');
        const rtfText = rtfParser.deEncapsulateSync(decompressedRtf, { decode: iconv.decode }).text;
        console.log('RTF Body (plain text):', rtfText);
    } catch (err) {
        console.error('Error extracting RTF body:', err);
    }
} else {
    console.log('No RTF body found in this message.');
}