315 lines
11 KiB
JavaScript
315 lines
11 KiB
JavaScript
'use strict';
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const shared = require('../shared');
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const MimeNode = require('../mime-node');
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const mimeFuncs = require('../mime-funcs');
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class MailMessage {
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constructor(mailer, data) {
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this.mailer = mailer;
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this.data = {};
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this.message = null;
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data = data || {};
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let options = mailer.options || {};
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let defaults = mailer._defaults || {};
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Object.keys(data).forEach(key => {
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this.data[key] = data[key];
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});
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this.data.headers = this.data.headers || {};
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// apply defaults
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Object.keys(defaults).forEach(key => {
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if (!(key in this.data)) {
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this.data[key] = defaults[key];
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} else if (key === 'headers') {
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// headers is a special case. Allow setting individual default headers
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Object.keys(defaults.headers).forEach(key => {
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if (!(key in this.data.headers)) {
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this.data.headers[key] = defaults.headers[key];
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}
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});
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}
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});
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// force specific keys from transporter options
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['disableFileAccess', 'disableUrlAccess', 'normalizeHeaderKey'].forEach(key => {
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if (key in options) {
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this.data[key] = options[key];
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}
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});
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}
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resolveContent(...args) {
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return shared.resolveContent(...args);
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}
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resolveAll(callback) {
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let keys = [
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[this.data, 'html'],
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[this.data, 'text'],
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[this.data, 'watchHtml'],
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[this.data, 'amp'],
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[this.data, 'icalEvent']
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];
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if (this.data.alternatives && this.data.alternatives.length) {
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this.data.alternatives.forEach((alternative, i) => {
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keys.push([this.data.alternatives, i]);
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});
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}
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if (this.data.attachments && this.data.attachments.length) {
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this.data.attachments.forEach((attachment, i) => {
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if (!attachment.filename) {
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attachment.filename = (attachment.path || attachment.href || '').split('/').pop().split('?').shift() || 'attachment-' + (i + 1);
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if (attachment.filename.indexOf('.') < 0) {
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attachment.filename += '.' + mimeFuncs.detectExtension(attachment.contentType);
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}
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}
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if (!attachment.contentType) {
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attachment.contentType = mimeFuncs.detectMimeType(attachment.filename || attachment.path || attachment.href || 'bin');
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}
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keys.push([this.data.attachments, i]);
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});
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}
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let mimeNode = new MimeNode();
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let addressKeys = ['from', 'to', 'cc', 'bcc', 'sender', 'replyTo'];
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addressKeys.forEach(address => {
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let value;
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if (this.message) {
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value = [].concat(mimeNode._parseAddresses(this.message.getHeader(address === 'replyTo' ? 'reply-to' : address)) || []);
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} else if (this.data[address]) {
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value = [].concat(mimeNode._parseAddresses(this.data[address]) || []);
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}
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if (value && value.length) {
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this.data[address] = value;
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} else if (address in this.data) {
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this.data[address] = null;
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}
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});
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let singleKeys = ['from', 'sender'];
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singleKeys.forEach(address => {
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if (this.data[address]) {
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this.data[address] = this.data[address].shift();
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}
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});
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let pos = 0;
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let resolveNext = () => {
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if (pos >= keys.length) {
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return callback(null, this.data);
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}
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let args = keys[pos++];
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if (!args[0] || !args[0][args[1]]) {
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return resolveNext();
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}
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shared.resolveContent(...args, (err, value) => {
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if (err) {
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return callback(err);
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}
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let node = {
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content: value
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};
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if (args[0][args[1]] && typeof args[0][args[1]] === 'object' && !Buffer.isBuffer(args[0][args[1]])) {
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Object.keys(args[0][args[1]]).forEach(key => {
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if (!(key in node) && !['content', 'path', 'href', 'raw'].includes(key)) {
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node[key] = args[0][args[1]][key];
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}
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});
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}
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args[0][args[1]] = node;
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resolveNext();
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});
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};
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setImmediate(() => resolveNext());
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}
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normalize(callback) {
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let envelope = this.data.envelope || this.message.getEnvelope();
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let messageId = this.message.messageId();
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this.resolveAll((err, data) => {
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if (err) {
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return callback(err);
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}
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data.envelope = envelope;
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data.messageId = messageId;
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['html', 'text', 'watchHtml', 'amp'].forEach(key => {
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if (data[key] && data[key].content) {
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if (typeof data[key].content === 'string') {
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data[key] = data[key].content;
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} else if (Buffer.isBuffer(data[key].content)) {
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data[key] = data[key].content.toString();
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}
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}
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});
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if (data.icalEvent && Buffer.isBuffer(data.icalEvent.content)) {
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data.icalEvent.content = data.icalEvent.content.toString('base64');
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data.icalEvent.encoding = 'base64';
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}
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if (data.alternatives && data.alternatives.length) {
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data.alternatives.forEach(alternative => {
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if (alternative && alternative.content && Buffer.isBuffer(alternative.content)) {
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alternative.content = alternative.content.toString('base64');
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alternative.encoding = 'base64';
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}
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});
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}
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if (data.attachments && data.attachments.length) {
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data.attachments.forEach(attachment => {
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if (attachment && attachment.content && Buffer.isBuffer(attachment.content)) {
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attachment.content = attachment.content.toString('base64');
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attachment.encoding = 'base64';
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}
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});
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}
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data.normalizedHeaders = {};
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Object.keys(data.headers || {}).forEach(key => {
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let value = [].concat(data.headers[key] || []).shift();
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value = (value && value.value) || value;
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if (value) {
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if (['references', 'in-reply-to', 'message-id', 'content-id'].includes(key)) {
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value = this.message._encodeHeaderValue(key, value);
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}
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data.normalizedHeaders[key] = value;
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}
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});
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if (data.list && typeof data.list === 'object') {
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let listHeaders = this._getListHeaders(data.list);
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listHeaders.forEach(entry => {
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data.normalizedHeaders[entry.key] = entry.value.map(val => (val && val.value) || val).join(', ');
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});
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}
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if (data.references) {
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data.normalizedHeaders.references = this.message._encodeHeaderValue('references', data.references);
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}
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if (data.inReplyTo) {
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data.normalizedHeaders['in-reply-to'] = this.message._encodeHeaderValue('in-reply-to', data.inReplyTo);
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}
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return callback(null, data);
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});
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}
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setMailerHeader() {
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if (!this.message || !this.data.xMailer) {
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return;
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}
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this.message.setHeader('X-Mailer', this.data.xMailer);
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}
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setPriorityHeaders() {
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if (!this.message || !this.data.priority) {
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return;
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}
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switch ((this.data.priority || '').toString().toLowerCase()) {
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case 'high':
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this.message.setHeader('X-Priority', '1 (Highest)');
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this.message.setHeader('X-MSMail-Priority', 'High');
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this.message.setHeader('Importance', 'High');
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break;
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case 'low':
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this.message.setHeader('X-Priority', '5 (Lowest)');
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this.message.setHeader('X-MSMail-Priority', 'Low');
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this.message.setHeader('Importance', 'Low');
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break;
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default:
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// do not add anything, since all messages are 'Normal' by default
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}
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}
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setListHeaders() {
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if (!this.message || !this.data.list || typeof this.data.list !== 'object') {
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return;
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}
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// add optional List-* headers
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if (this.data.list && typeof this.data.list === 'object') {
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this._getListHeaders(this.data.list).forEach(listHeader => {
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listHeader.value.forEach(value => {
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this.message.addHeader(listHeader.key, value);
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});
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});
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}
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}
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_getListHeaders(listData) {
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// make sure an url looks like <protocol:url>
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return Object.keys(listData).map(key => ({
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key: 'list-' + key.toLowerCase().trim(),
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value: [].concat(listData[key] || []).map(value => ({
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prepared: true,
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foldLines: true,
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value: []
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.concat(value || [])
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.map(value => {
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if (typeof value === 'string') {
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value = {
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url: value
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};
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}
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if (value && value.url) {
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if (key.toLowerCase().trim() === 'id') {
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// List-ID: "comment" <domain>
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let comment = value.comment || '';
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if (mimeFuncs.isPlainText(comment)) {
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comment = '"' + comment + '"';
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} else {
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comment = mimeFuncs.encodeWord(comment);
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}
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return (value.comment ? comment + ' ' : '') + this._formatListUrl(value.url).replace(/^<[^:]+\/{,2}/, '');
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}
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// List-*: <http://domain> (comment)
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let comment = value.comment || '';
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if (!mimeFuncs.isPlainText(comment)) {
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comment = mimeFuncs.encodeWord(comment);
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}
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return this._formatListUrl(value.url) + (value.comment ? ' (' + comment + ')' : '');
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}
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return '';
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})
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.filter(value => value)
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.join(', ')
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}))
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}));
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}
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_formatListUrl(url) {
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url = url.replace(/[\s<]+|[\s>]+/g, '');
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if (/^(https?|mailto|ftp):/.test(url)) {
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return '<' + url + '>';
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}
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if (/^[^@]+@[^@]+$/.test(url)) {
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return '<mailto:' + url + '>';
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}
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return '<http://' + url + '>';
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}
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}
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module.exports = MailMessage;
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