/
send.operation.ts
267 lines (241 loc) · 6.2 KB
/
send.operation.ts
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import type {
IDataObject,
IExecuteFunctions,
INodeExecutionData,
INodeProperties,
JsonObject,
} from 'n8n-workflow';
import { NodeApiError } from 'n8n-workflow';
import { createTransport } from 'nodemailer';
import type SMTPTransport from 'nodemailer/lib/smtp-transport';
import { updateDisplayOptions } from '../../../utils/utilities';
const properties: INodeProperties[] = [
// TODO: Add choice for text as text or html (maybe also from name)
{
displayName: 'From Email',
name: 'fromEmail',
type: 'string',
default: '',
required: true,
placeholder: 'admin@example.com',
description:
'Email address of the sender. You can also specify a name: Nathan Doe <nate@n8n.io>.',
},
{
displayName: 'To Email',
name: 'toEmail',
type: 'string',
default: '',
required: true,
placeholder: 'info@example.com',
description:
'Email address of the recipient. You can also specify a name: Nathan Doe <nate@n8n.io>.',
},
{
displayName: 'Subject',
name: 'subject',
type: 'string',
default: '',
placeholder: 'My subject line',
description: 'Subject line of the email',
},
{
displayName: 'Email Format',
name: 'emailFormat',
type: 'options',
options: [
{
name: 'Text',
value: 'text',
},
{
name: 'HTML',
value: 'html',
},
],
default: 'text',
},
{
displayName: 'Text',
name: 'text',
type: 'string',
typeOptions: {
rows: 5,
},
default: '',
description: 'Plain text message of email',
displayOptions: {
show: {
emailFormat: ['text'],
},
},
},
{
displayName: 'HTML',
name: 'html',
type: 'string',
typeOptions: {
rows: 5,
},
default: '',
description: 'HTML text message of email',
displayOptions: {
show: {
emailFormat: ['html'],
},
},
},
{
displayName: 'Options',
name: 'options',
type: 'collection',
placeholder: 'Add Option',
default: {},
options: [
{
displayName: 'Attachments',
name: 'attachments',
type: 'string',
default: '',
description:
'Name of the binary properties that contain data to add to email as attachment. Multiple ones can be comma-separated. Reference embedded images or other content within the body of an email message, e.g. <img src="cid:image_1">',
},
{
displayName: 'CC Email',
name: 'ccEmail',
type: 'string',
default: '',
placeholder: 'cc@example.com',
description: 'Email address of CC recipient',
},
{
displayName: 'BCC Email',
name: 'bccEmail',
type: 'string',
default: '',
placeholder: 'bcc@example.com',
description: 'Email address of BCC recipient',
},
{
displayName: 'Ignore SSL Issues',
name: 'allowUnauthorizedCerts',
type: 'boolean',
default: false,
description: 'Whether to connect even if SSL certificate validation is not possible',
},
{
displayName: 'Reply To',
name: 'replyTo',
type: 'string',
default: '',
placeholder: 'info@example.com',
description: 'The email address to send the reply to',
},
],
},
];
const displayOptions = {
show: {
resource: ['email'],
operation: ['send'],
},
};
export const description = updateDisplayOptions(displayOptions, properties);
type EmailSendOptions = {
allowUnauthorizedCerts?: boolean;
attachments?: string;
ccEmail?: string;
bccEmail?: string;
replyTo?: string;
};
function configureTransport(credentials: IDataObject, options: EmailSendOptions) {
const connectionOptions: SMTPTransport.Options = {
host: credentials.host as string,
port: credentials.port as number,
secure: credentials.secure as boolean,
};
if (credentials.user || credentials.password) {
connectionOptions.auth = {
user: credentials.user as string,
pass: credentials.password as string,
};
}
if (options.allowUnauthorizedCerts === true) {
connectionOptions.tls = {
rejectUnauthorized: false,
};
}
return createTransport(connectionOptions);
}
export async function execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
const items = this.getInputData();
const returnData: INodeExecutionData[] = [];
let item: INodeExecutionData;
for (let itemIndex = 0; itemIndex < items.length; itemIndex++) {
try {
item = items[itemIndex];
const fromEmail = this.getNodeParameter('fromEmail', itemIndex) as string;
const toEmail = this.getNodeParameter('toEmail', itemIndex) as string;
const subject = this.getNodeParameter('subject', itemIndex) as string;
const emailFormat = this.getNodeParameter('emailFormat', itemIndex) as string;
const options = this.getNodeParameter('options', itemIndex, {}) as EmailSendOptions;
const credentials = await this.getCredentials('smtp');
const transporter = configureTransport(credentials, options);
const mailOptions: IDataObject = {
from: fromEmail,
to: toEmail,
cc: options.ccEmail,
bcc: options.bccEmail,
subject,
replyTo: options.replyTo,
};
if (emailFormat === 'text') {
mailOptions.text = this.getNodeParameter('text', itemIndex, '');
}
if (emailFormat === 'html') {
mailOptions.html = this.getNodeParameter('html', itemIndex, '');
}
if (options.attachments && item.binary) {
const attachments = [];
const attachmentProperties: string[] = options.attachments
.split(',')
.map((propertyName) => {
return propertyName.trim();
});
for (const propertyName of attachmentProperties) {
const binaryData = this.helpers.assertBinaryData(itemIndex, propertyName);
attachments.push({
filename: binaryData.fileName || 'unknown',
content: await this.helpers.getBinaryDataBuffer(itemIndex, propertyName),
cid: propertyName,
});
}
if (attachments.length) {
mailOptions.attachments = attachments;
}
}
const info = await transporter.sendMail(mailOptions);
returnData.push({
json: info as unknown as IDataObject,
pairedItem: {
item: itemIndex,
},
});
} catch (error) {
if (this.continueOnFail()) {
returnData.push({
json: {
error: error.message,
},
pairedItem: {
item: itemIndex,
},
});
continue;
}
delete error.cert;
throw new NodeApiError(this.getNode(), error as JsonObject);
}
}
return this.prepareOutputData(returnData);
}