Neah/lib/server/email-parser.ts
2025-04-24 16:23:19 +02:00

45 lines
1.5 KiB
TypeScript

import { simpleParser } from 'mailparser';
import DOMPurify from 'isomorphic-dompurify';
function cleanHtml(html: string): string {
try {
return DOMPurify.sanitize(html, {
ALLOWED_TAGS: ['p', 'br', 'div', 'span', 'a', 'img', 'strong', 'em', 'u', 'ul', 'ol', 'li', 'blockquote', 'pre', 'code', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6'],
ALLOWED_ATTR: ['href', 'src', 'alt', 'title', 'class', 'style'],
ALLOWED_URI_REGEXP: /^(?:(?:(?:f|ht)tps?|mailto|tel):|[^a-z]|[a-z+.\-]+(?:[^a-z+.\-:]|$))/i
});
} catch (error) {
console.error('Error cleaning HTML:', error);
return html;
}
}
function getAddressText(address: any): string | null {
if (!address) return null;
if (Array.isArray(address)) {
return address.map(addr => addr.value?.[0]?.address || '').filter(Boolean).join(', ');
}
return address.value?.[0]?.address || null;
}
export async function parseEmail(emailContent: string) {
try {
const parsed = await simpleParser(emailContent);
return {
subject: parsed.subject || null,
from: getAddressText(parsed.from),
to: getAddressText(parsed.to),
cc: getAddressText(parsed.cc),
bcc: getAddressText(parsed.bcc),
date: parsed.date || null,
html: parsed.html ? cleanHtml(parsed.html) : null,
text: parsed.text || null,
attachments: parsed.attachments || [],
headers: Object.fromEntries(parsed.headers)
};
} catch (error) {
console.error('Error parsing email:', error);
throw error;
}
}