mirror of
https://github.com/dawidd6/action-send-mail.git
synced 2024-11-10 05:51:07 +07:00
551 lines
19 KiB
JavaScript
551 lines
19 KiB
JavaScript
/* eslint no-undefined: 0 */
|
|
|
|
'use strict';
|
|
|
|
const MimeNode = require('../mime-node');
|
|
const mimeFuncs = require('../mime-funcs');
|
|
|
|
/**
|
|
* Creates the object for composing a MimeNode instance out from the mail options
|
|
*
|
|
* @constructor
|
|
* @param {Object} mail Mail options
|
|
*/
|
|
class MailComposer {
|
|
constructor(mail) {
|
|
this.mail = mail || {};
|
|
this.message = false;
|
|
}
|
|
|
|
/**
|
|
* Builds MimeNode instance
|
|
*/
|
|
compile() {
|
|
this._alternatives = this.getAlternatives();
|
|
this._htmlNode = this._alternatives.filter(alternative => /^text\/html\b/i.test(alternative.contentType)).pop();
|
|
this._attachments = this.getAttachments(!!this._htmlNode);
|
|
|
|
this._useRelated = !!(this._htmlNode && this._attachments.related.length);
|
|
this._useAlternative = this._alternatives.length > 1;
|
|
this._useMixed = this._attachments.attached.length > 1 || (this._alternatives.length && this._attachments.attached.length === 1);
|
|
|
|
// Compose MIME tree
|
|
if (this.mail.raw) {
|
|
this.message = new MimeNode().setRaw(this.mail.raw);
|
|
} else if (this._useMixed) {
|
|
this.message = this._createMixed();
|
|
} else if (this._useAlternative) {
|
|
this.message = this._createAlternative();
|
|
} else if (this._useRelated) {
|
|
this.message = this._createRelated();
|
|
} else {
|
|
this.message = this._createContentNode(
|
|
false,
|
|
[]
|
|
.concat(this._alternatives || [])
|
|
.concat(this._attachments.attached || [])
|
|
.shift() || {
|
|
contentType: 'text/plain',
|
|
content: ''
|
|
}
|
|
);
|
|
}
|
|
|
|
// Add custom headers
|
|
if (this.mail.headers) {
|
|
this.message.addHeader(this.mail.headers);
|
|
}
|
|
|
|
// Add headers to the root node, always overrides custom headers
|
|
['from', 'sender', 'to', 'cc', 'bcc', 'reply-to', 'in-reply-to', 'references', 'subject', 'message-id', 'date'].forEach(header => {
|
|
let key = header.replace(/-(\w)/g, (o, c) => c.toUpperCase());
|
|
if (this.mail[key]) {
|
|
this.message.setHeader(header, this.mail[key]);
|
|
}
|
|
});
|
|
|
|
// Sets custom envelope
|
|
if (this.mail.envelope) {
|
|
this.message.setEnvelope(this.mail.envelope);
|
|
}
|
|
|
|
// ensure Message-Id value
|
|
this.message.messageId();
|
|
|
|
return this.message;
|
|
}
|
|
|
|
/**
|
|
* List all attachments. Resulting attachment objects can be used as input for MimeNode nodes
|
|
*
|
|
* @param {Boolean} findRelated If true separate related attachments from attached ones
|
|
* @returns {Object} An object of arrays (`related` and `attached`)
|
|
*/
|
|
getAttachments(findRelated) {
|
|
let icalEvent, eventObject;
|
|
let attachments = [].concat(this.mail.attachments || []).map((attachment, i) => {
|
|
let data;
|
|
let isMessageNode = /^message\//i.test(attachment.contentType);
|
|
|
|
if (/^data:/i.test(attachment.path || attachment.href)) {
|
|
attachment = this._processDataUrl(attachment);
|
|
}
|
|
|
|
data = {
|
|
contentType: attachment.contentType || mimeFuncs.detectMimeType(attachment.filename || attachment.path || attachment.href || 'bin'),
|
|
contentDisposition: attachment.contentDisposition || (isMessageNode ? 'inline' : 'attachment'),
|
|
contentTransferEncoding: 'contentTransferEncoding' in attachment ? attachment.contentTransferEncoding : 'base64'
|
|
};
|
|
|
|
if (attachment.filename) {
|
|
data.filename = attachment.filename;
|
|
} else if (!isMessageNode && attachment.filename !== false) {
|
|
data.filename = (attachment.path || attachment.href || '').split('/').pop().split('?').shift() || 'attachment-' + (i + 1);
|
|
if (data.filename.indexOf('.') < 0) {
|
|
data.filename += '.' + mimeFuncs.detectExtension(data.contentType);
|
|
}
|
|
}
|
|
|
|
if (/^https?:\/\//i.test(attachment.path)) {
|
|
attachment.href = attachment.path;
|
|
attachment.path = undefined;
|
|
}
|
|
|
|
if (attachment.cid) {
|
|
data.cid = attachment.cid;
|
|
}
|
|
|
|
if (attachment.raw) {
|
|
data.raw = attachment.raw;
|
|
} else if (attachment.path) {
|
|
data.content = {
|
|
path: attachment.path
|
|
};
|
|
} else if (attachment.href) {
|
|
data.content = {
|
|
href: attachment.href,
|
|
httpHeaders: attachment.httpHeaders
|
|
};
|
|
} else {
|
|
data.content = attachment.content || '';
|
|
}
|
|
|
|
if (attachment.encoding) {
|
|
data.encoding = attachment.encoding;
|
|
}
|
|
|
|
if (attachment.headers) {
|
|
data.headers = attachment.headers;
|
|
}
|
|
|
|
return data;
|
|
});
|
|
|
|
if (this.mail.icalEvent) {
|
|
if (
|
|
typeof this.mail.icalEvent === 'object' &&
|
|
(this.mail.icalEvent.content || this.mail.icalEvent.path || this.mail.icalEvent.href || this.mail.icalEvent.raw)
|
|
) {
|
|
icalEvent = this.mail.icalEvent;
|
|
} else {
|
|
icalEvent = {
|
|
content: this.mail.icalEvent
|
|
};
|
|
}
|
|
|
|
eventObject = {};
|
|
Object.keys(icalEvent).forEach(key => {
|
|
eventObject[key] = icalEvent[key];
|
|
});
|
|
|
|
eventObject.contentType = 'application/ics';
|
|
if (!eventObject.headers) {
|
|
eventObject.headers = {};
|
|
}
|
|
eventObject.filename = eventObject.filename || 'invite.ics';
|
|
eventObject.headers['Content-Disposition'] = 'attachment';
|
|
eventObject.headers['Content-Transfer-Encoding'] = 'base64';
|
|
}
|
|
|
|
if (!findRelated) {
|
|
return {
|
|
attached: attachments.concat(eventObject || []),
|
|
related: []
|
|
};
|
|
} else {
|
|
return {
|
|
attached: attachments.filter(attachment => !attachment.cid).concat(eventObject || []),
|
|
related: attachments.filter(attachment => !!attachment.cid)
|
|
};
|
|
}
|
|
}
|
|
|
|
/**
|
|
* List alternatives. Resulting objects can be used as input for MimeNode nodes
|
|
*
|
|
* @returns {Array} An array of alternative elements. Includes the `text` and `html` values as well
|
|
*/
|
|
getAlternatives() {
|
|
let alternatives = [],
|
|
text,
|
|
html,
|
|
watchHtml,
|
|
amp,
|
|
icalEvent,
|
|
eventObject;
|
|
|
|
if (this.mail.text) {
|
|
if (typeof this.mail.text === 'object' && (this.mail.text.content || this.mail.text.path || this.mail.text.href || this.mail.text.raw)) {
|
|
text = this.mail.text;
|
|
} else {
|
|
text = {
|
|
content: this.mail.text
|
|
};
|
|
}
|
|
text.contentType = 'text/plain; charset=utf-8';
|
|
}
|
|
|
|
if (this.mail.watchHtml) {
|
|
if (
|
|
typeof this.mail.watchHtml === 'object' &&
|
|
(this.mail.watchHtml.content || this.mail.watchHtml.path || this.mail.watchHtml.href || this.mail.watchHtml.raw)
|
|
) {
|
|
watchHtml = this.mail.watchHtml;
|
|
} else {
|
|
watchHtml = {
|
|
content: this.mail.watchHtml
|
|
};
|
|
}
|
|
watchHtml.contentType = 'text/watch-html; charset=utf-8';
|
|
}
|
|
|
|
if (this.mail.amp) {
|
|
if (typeof this.mail.amp === 'object' && (this.mail.amp.content || this.mail.amp.path || this.mail.amp.href || this.mail.amp.raw)) {
|
|
amp = this.mail.amp;
|
|
} else {
|
|
amp = {
|
|
content: this.mail.amp
|
|
};
|
|
}
|
|
amp.contentType = 'text/x-amp-html; charset=utf-8';
|
|
}
|
|
|
|
// NB! when including attachments with a calendar alternative you might end up in a blank screen on some clients
|
|
if (this.mail.icalEvent) {
|
|
if (
|
|
typeof this.mail.icalEvent === 'object' &&
|
|
(this.mail.icalEvent.content || this.mail.icalEvent.path || this.mail.icalEvent.href || this.mail.icalEvent.raw)
|
|
) {
|
|
icalEvent = this.mail.icalEvent;
|
|
} else {
|
|
icalEvent = {
|
|
content: this.mail.icalEvent
|
|
};
|
|
}
|
|
|
|
eventObject = {};
|
|
Object.keys(icalEvent).forEach(key => {
|
|
eventObject[key] = icalEvent[key];
|
|
});
|
|
|
|
if (eventObject.content && typeof eventObject.content === 'object') {
|
|
// we are going to have the same attachment twice, so mark this to be
|
|
// resolved just once
|
|
eventObject.content._resolve = true;
|
|
}
|
|
|
|
eventObject.filename = false;
|
|
eventObject.contentType = 'text/calendar; charset=utf-8; method=' + (eventObject.method || 'PUBLISH').toString().trim().toUpperCase();
|
|
if (!eventObject.headers) {
|
|
eventObject.headers = {};
|
|
}
|
|
}
|
|
|
|
if (this.mail.html) {
|
|
if (typeof this.mail.html === 'object' && (this.mail.html.content || this.mail.html.path || this.mail.html.href || this.mail.html.raw)) {
|
|
html = this.mail.html;
|
|
} else {
|
|
html = {
|
|
content: this.mail.html
|
|
};
|
|
}
|
|
html.contentType = 'text/html; charset=utf-8';
|
|
}
|
|
|
|
[]
|
|
.concat(text || [])
|
|
.concat(watchHtml || [])
|
|
.concat(amp || [])
|
|
.concat(html || [])
|
|
.concat(eventObject || [])
|
|
.concat(this.mail.alternatives || [])
|
|
.forEach(alternative => {
|
|
let data;
|
|
|
|
if (/^data:/i.test(alternative.path || alternative.href)) {
|
|
alternative = this._processDataUrl(alternative);
|
|
}
|
|
|
|
data = {
|
|
contentType: alternative.contentType || mimeFuncs.detectMimeType(alternative.filename || alternative.path || alternative.href || 'txt'),
|
|
contentTransferEncoding: alternative.contentTransferEncoding
|
|
};
|
|
|
|
if (alternative.filename) {
|
|
data.filename = alternative.filename;
|
|
}
|
|
|
|
if (/^https?:\/\//i.test(alternative.path)) {
|
|
alternative.href = alternative.path;
|
|
alternative.path = undefined;
|
|
}
|
|
|
|
if (alternative.raw) {
|
|
data.raw = alternative.raw;
|
|
} else if (alternative.path) {
|
|
data.content = {
|
|
path: alternative.path
|
|
};
|
|
} else if (alternative.href) {
|
|
data.content = {
|
|
href: alternative.href
|
|
};
|
|
} else {
|
|
data.content = alternative.content || '';
|
|
}
|
|
|
|
if (alternative.encoding) {
|
|
data.encoding = alternative.encoding;
|
|
}
|
|
|
|
if (alternative.headers) {
|
|
data.headers = alternative.headers;
|
|
}
|
|
|
|
alternatives.push(data);
|
|
});
|
|
|
|
return alternatives;
|
|
}
|
|
|
|
/**
|
|
* Builds multipart/mixed node. It should always contain different type of elements on the same level
|
|
* eg. text + attachments
|
|
*
|
|
* @param {Object} parentNode Parent for this note. If it does not exist, a root node is created
|
|
* @returns {Object} MimeNode node element
|
|
*/
|
|
_createMixed(parentNode) {
|
|
let node;
|
|
|
|
if (!parentNode) {
|
|
node = new MimeNode('multipart/mixed', {
|
|
baseBoundary: this.mail.baseBoundary,
|
|
textEncoding: this.mail.textEncoding,
|
|
boundaryPrefix: this.mail.boundaryPrefix,
|
|
disableUrlAccess: this.mail.disableUrlAccess,
|
|
disableFileAccess: this.mail.disableFileAccess,
|
|
normalizeHeaderKey: this.mail.normalizeHeaderKey
|
|
});
|
|
} else {
|
|
node = parentNode.createChild('multipart/mixed', {
|
|
disableUrlAccess: this.mail.disableUrlAccess,
|
|
disableFileAccess: this.mail.disableFileAccess,
|
|
normalizeHeaderKey: this.mail.normalizeHeaderKey
|
|
});
|
|
}
|
|
|
|
if (this._useAlternative) {
|
|
this._createAlternative(node);
|
|
} else if (this._useRelated) {
|
|
this._createRelated(node);
|
|
}
|
|
|
|
[]
|
|
.concat((!this._useAlternative && this._alternatives) || [])
|
|
.concat(this._attachments.attached || [])
|
|
.forEach(element => {
|
|
// if the element is a html node from related subpart then ignore it
|
|
if (!this._useRelated || element !== this._htmlNode) {
|
|
this._createContentNode(node, element);
|
|
}
|
|
});
|
|
|
|
return node;
|
|
}
|
|
|
|
/**
|
|
* Builds multipart/alternative node. It should always contain same type of elements on the same level
|
|
* eg. text + html view of the same data
|
|
*
|
|
* @param {Object} parentNode Parent for this note. If it does not exist, a root node is created
|
|
* @returns {Object} MimeNode node element
|
|
*/
|
|
_createAlternative(parentNode) {
|
|
let node;
|
|
|
|
if (!parentNode) {
|
|
node = new MimeNode('multipart/alternative', {
|
|
baseBoundary: this.mail.baseBoundary,
|
|
textEncoding: this.mail.textEncoding,
|
|
boundaryPrefix: this.mail.boundaryPrefix,
|
|
disableUrlAccess: this.mail.disableUrlAccess,
|
|
disableFileAccess: this.mail.disableFileAccess,
|
|
normalizeHeaderKey: this.mail.normalizeHeaderKey
|
|
});
|
|
} else {
|
|
node = parentNode.createChild('multipart/alternative', {
|
|
disableUrlAccess: this.mail.disableUrlAccess,
|
|
disableFileAccess: this.mail.disableFileAccess,
|
|
normalizeHeaderKey: this.mail.normalizeHeaderKey
|
|
});
|
|
}
|
|
|
|
this._alternatives.forEach(alternative => {
|
|
if (this._useRelated && this._htmlNode === alternative) {
|
|
this._createRelated(node);
|
|
} else {
|
|
this._createContentNode(node, alternative);
|
|
}
|
|
});
|
|
|
|
return node;
|
|
}
|
|
|
|
/**
|
|
* Builds multipart/related node. It should always contain html node with related attachments
|
|
*
|
|
* @param {Object} parentNode Parent for this note. If it does not exist, a root node is created
|
|
* @returns {Object} MimeNode node element
|
|
*/
|
|
_createRelated(parentNode) {
|
|
let node;
|
|
|
|
if (!parentNode) {
|
|
node = new MimeNode('multipart/related; type="text/html"', {
|
|
baseBoundary: this.mail.baseBoundary,
|
|
textEncoding: this.mail.textEncoding,
|
|
boundaryPrefix: this.mail.boundaryPrefix,
|
|
disableUrlAccess: this.mail.disableUrlAccess,
|
|
disableFileAccess: this.mail.disableFileAccess,
|
|
normalizeHeaderKey: this.mail.normalizeHeaderKey
|
|
});
|
|
} else {
|
|
node = parentNode.createChild('multipart/related; type="text/html"', {
|
|
disableUrlAccess: this.mail.disableUrlAccess,
|
|
disableFileAccess: this.mail.disableFileAccess,
|
|
normalizeHeaderKey: this.mail.normalizeHeaderKey
|
|
});
|
|
}
|
|
|
|
this._createContentNode(node, this._htmlNode);
|
|
|
|
this._attachments.related.forEach(alternative => this._createContentNode(node, alternative));
|
|
|
|
return node;
|
|
}
|
|
|
|
/**
|
|
* Creates a regular node with contents
|
|
*
|
|
* @param {Object} parentNode Parent for this note. If it does not exist, a root node is created
|
|
* @param {Object} element Node data
|
|
* @returns {Object} MimeNode node element
|
|
*/
|
|
_createContentNode(parentNode, element) {
|
|
element = element || {};
|
|
element.content = element.content || '';
|
|
|
|
let node;
|
|
let encoding = (element.encoding || 'utf8')
|
|
.toString()
|
|
.toLowerCase()
|
|
.replace(/[-_\s]/g, '');
|
|
|
|
if (!parentNode) {
|
|
node = new MimeNode(element.contentType, {
|
|
filename: element.filename,
|
|
baseBoundary: this.mail.baseBoundary,
|
|
textEncoding: this.mail.textEncoding,
|
|
boundaryPrefix: this.mail.boundaryPrefix,
|
|
disableUrlAccess: this.mail.disableUrlAccess,
|
|
disableFileAccess: this.mail.disableFileAccess,
|
|
normalizeHeaderKey: this.mail.normalizeHeaderKey
|
|
});
|
|
} else {
|
|
node = parentNode.createChild(element.contentType, {
|
|
filename: element.filename,
|
|
textEncoding: this.mail.textEncoding,
|
|
disableUrlAccess: this.mail.disableUrlAccess,
|
|
disableFileAccess: this.mail.disableFileAccess,
|
|
normalizeHeaderKey: this.mail.normalizeHeaderKey
|
|
});
|
|
}
|
|
|
|
// add custom headers
|
|
if (element.headers) {
|
|
node.addHeader(element.headers);
|
|
}
|
|
|
|
if (element.cid) {
|
|
node.setHeader('Content-Id', '<' + element.cid.replace(/[<>]/g, '') + '>');
|
|
}
|
|
|
|
if (element.contentTransferEncoding) {
|
|
node.setHeader('Content-Transfer-Encoding', element.contentTransferEncoding);
|
|
} else if (this.mail.encoding && /^text\//i.test(element.contentType)) {
|
|
node.setHeader('Content-Transfer-Encoding', this.mail.encoding);
|
|
}
|
|
|
|
if (!/^text\//i.test(element.contentType) || element.contentDisposition) {
|
|
node.setHeader('Content-Disposition', element.contentDisposition || (element.cid ? 'inline' : 'attachment'));
|
|
}
|
|
|
|
if (typeof element.content === 'string' && !['utf8', 'usascii', 'ascii'].includes(encoding)) {
|
|
element.content = Buffer.from(element.content, encoding);
|
|
}
|
|
|
|
// prefer pregenerated raw content
|
|
if (element.raw) {
|
|
node.setRaw(element.raw);
|
|
} else {
|
|
node.setContent(element.content);
|
|
}
|
|
|
|
return node;
|
|
}
|
|
|
|
/**
|
|
* Parses data uri and converts it to a Buffer
|
|
*
|
|
* @param {Object} element Content element
|
|
* @return {Object} Parsed element
|
|
*/
|
|
_processDataUrl(element) {
|
|
let parts = (element.path || element.href).match(/^data:((?:[^;]*;)*(?:[^,]*)),(.*)$/i);
|
|
if (!parts) {
|
|
return element;
|
|
}
|
|
|
|
element.content = /\bbase64$/i.test(parts[1]) ? Buffer.from(parts[2], 'base64') : Buffer.from(decodeURIComponent(parts[2]));
|
|
|
|
if ('path' in element) {
|
|
element.path = false;
|
|
}
|
|
|
|
if ('href' in element) {
|
|
element.href = false;
|
|
}
|
|
|
|
parts[1].split(';').forEach(item => {
|
|
if (/^\w+\/[^/]+$/i.test(item)) {
|
|
element.contentType = element.contentType || item.toLowerCase();
|
|
}
|
|
});
|
|
|
|
return element;
|
|
}
|
|
}
|
|
|
|
module.exports = MailComposer;
|