snappymail/dev/Mime/Utils.js

79 lines
2.3 KiB
JavaScript

import { ParseMime } from 'Mime/Parser';
import { AttachmentModel } from 'Model/Attachment';
import { FileInfo } from 'Common/File';
import { BEGIN_PGP_MESSAGE } from 'Stores/User/Pgp';
/**
* @param string data
* @param MessageModel message
*/
export function MimeToMessage(data, message)
{
let signed;
const struct = ParseMime(data);
if (struct.headers) {
let html = struct.getByContentType('text/html'),
subject = struct.headerValue('subject');
html = html ? html.body : '';
subject && message.subject(subject);
// EmailCollectionModel
['from','to'].forEach(name => message[name].fromString(struct.headerValue(name)));
struct.forEach(part => {
let cd = part.header('content-disposition'),
cId = part.header('content-id'),
type = part.header('content-type');
if (cId || cd) {
// if (cd && 'attachment' === cd.value) {
let attachment = new AttachmentModel;
attachment.mimeType = type.value;
attachment.fileName = type.name || (cd && cd.params.filename) || '';
attachment.fileNameExt = attachment.fileName.replace(/^.+(\.[a-z]+)$/, '$1');
attachment.fileType = FileInfo.getType('', type.value);
attachment.url = part.dataUrl;
attachment.estimatedSize = part.body.length;
/*
attachment.contentLocation = '';
attachment.folder = '';
attachment.uid = '';
attachment.mimeIndex = part.id;
*/
attachment.cId = cId ? cId.value : '';
if (cId && html) {
let cid = 'cid:' + attachment.contentId(),
found = html.includes(cid);
attachment.isInline(found);
attachment.isLinked(found);
found && (html = html
.replace('src="' + cid + '"', 'src="' + attachment.url + '"')
.replace("src='" + cid + "'", "src='" + attachment.url + "'")
);
} else {
message.attachments.push(attachment);
}
} else if ('multipart/signed' === type.value && 'application/pgp-signature' === type.params.protocol) {
signed = {
micAlg: type.micalg,
bodyPart: part.parts[0],
sigPart: part.parts[1]
};
}
});
const text = struct.getByContentType('text/plain');
message.plain(text ? text.body : '');
message.html(html);
} else {
message.plain(data);
}
if (!signed && message.plain().includes(BEGIN_PGP_MESSAGE)) {
signed = true;
}
message.pgpSigned(signed);
// TODO: Verify instantly?
}