n8n-nodes-base
Version:
Base nodes of n8n
277 lines • 11.7 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.AwsSns = void 0;
const n8n_workflow_1 = require("n8n-workflow");
const GenericFunctions_1 = require("./GenericFunctions");
const utils_1 = require("./utils");
class AwsSns {
description = {
displayName: 'AWS SNS',
name: 'awsSns',
icon: 'file:sns.svg',
group: ['output'],
version: 1,
subtitle: '={{$parameter["topic"]}}',
description: 'Sends data to AWS SNS',
defaults: {
name: 'AWS SNS',
},
usableAsTool: true,
inputs: [n8n_workflow_1.NodeConnectionTypes.Main],
outputs: [n8n_workflow_1.NodeConnectionTypes.Main],
credentials: utils_1.awsNodeCredentials,
properties: [
utils_1.awsNodeAuthOptions,
{
displayName: 'Operation',
name: 'operation',
type: 'options',
noDataExpression: true,
options: [
{
name: 'Create',
value: 'create',
description: 'Create a topic',
action: 'Create a topic',
},
{
name: 'Delete',
value: 'delete',
description: 'Delete a topic',
action: 'Delete a topic',
},
{
name: 'Publish',
value: 'publish',
description: 'Publish a message to a topic',
action: 'Publish a message to a topic',
},
],
default: 'publish',
},
{
displayName: 'Name',
name: 'name',
type: 'string',
required: true,
default: '',
displayOptions: {
show: {
operation: ['create'],
},
},
},
{
displayName: 'Options',
name: 'options',
type: 'collection',
placeholder: 'Add option',
default: {},
options: [
{
displayName: 'Display Name',
name: 'displayName',
type: 'string',
default: '',
description: 'The display name to use for a topic with SMS subscriptions',
},
{
displayName: 'Fifo Topic',
name: 'fifoTopic',
type: 'boolean',
default: false,
description: 'Whether the topic you want to create is a FIFO (first-in-first-out) topic',
},
],
displayOptions: {
show: {
operation: ['create'],
},
},
},
{
displayName: 'Topic',
name: 'topic',
type: 'resourceLocator',
default: { mode: 'list', value: '' },
required: true,
modes: [
{
displayName: 'From List',
name: 'list',
type: 'list',
placeholder: 'Select a topic...',
typeOptions: {
searchListMethod: 'listTopics',
searchable: true,
},
},
{
displayName: 'By URL',
name: 'url',
type: 'string',
placeholder: 'https://us-east-1.console.aws.amazon.com/sns/v3/home?region=us-east-1#/topic/arn:aws:sns:us-east-1:777777777777:your_topic',
validation: [
{
type: 'regex',
properties: {
regex: 'https:\\/\\/[0-9a-zA-Z\\-_]+\\.console\\.aws\\.amazon\\.com\\/sns\\/v3\\/home\\?region\\=[0-9a-zA-Z\\-_]+\\#\\/topic\\/arn:aws:sns:[0-9a-zA-Z\\-_]+:[0-9]+:[0-9a-zA-Z\\-_]+(?:\\/.*|)',
errorMessage: 'Not a valid AWS SNS Topic URL',
},
},
],
extractValue: {
type: 'regex',
regex: 'https:\\/\\/[0-9a-zA-Z\\-_]+\\.console\\.aws\\.amazon\\.com\\/sns\\/v3\\/home\\?region\\=[0-9a-zA-Z\\-_]+\\#\\/topic\\/(arn:aws:sns:[0-9a-zA-Z\\-_]+:[0-9]+:[0-9a-zA-Z\\-_]+)(?:\\/.*|)',
},
},
{
displayName: 'ID',
name: 'id',
type: 'string',
validation: [
{
type: 'regex',
properties: {
regex: 'arn:aws:sns:[0-9a-zA-Z\\-_]+:[0-9]+:[0-9a-zA-Z\\-_]+',
errorMessage: 'Not a valid AWS SNS Topic ARN',
},
},
],
placeholder: 'arn:aws:sns:your-aws-region:777777777777:your_topic',
},
],
displayOptions: {
show: {
operation: ['publish', 'delete'],
},
},
},
{
displayName: 'Subject',
name: 'subject',
type: 'string',
displayOptions: {
show: {
operation: ['publish'],
},
},
default: '',
required: true,
description: 'Subject when the message is delivered to email endpoints',
},
{
displayName: 'Message',
name: 'message',
type: 'string',
displayOptions: {
show: {
operation: ['publish'],
},
},
required: true,
default: '',
description: 'The message you want to send',
},
],
};
methods = {
listSearch: {
async listTopics(filter, paginationToken) {
const returnData = [];
const params = paginationToken ? `NextToken=${encodeURIComponent(paginationToken)}` : '';
const data = await GenericFunctions_1.awsApiRequestSOAP.call(this, 'sns', 'GET', '/?Action=ListTopics&' + params);
let topics = data.ListTopicsResponse.ListTopicsResult.Topics.member;
const nextToken = data.ListTopicsResponse.ListTopicsResult.NextToken;
if (nextToken) {
paginationToken = nextToken;
}
else {
paginationToken = undefined;
}
if (!Array.isArray(topics)) {
topics = [topics];
}
for (const topic of topics) {
const topicArn = topic.TopicArn;
const arnParsed = topicArn.split(':');
const topicName = arnParsed[5];
const awsRegion = arnParsed[3];
if (filter && !topicName.includes(filter)) {
continue;
}
returnData.push({
name: topicName,
value: topicArn,
url: `https://${awsRegion}.console.aws.amazon.com/sns/v3/home?region=${awsRegion}#/topic/${topicArn}`,
});
}
return { results: returnData, paginationToken };
},
},
};
async execute() {
const items = this.getInputData();
const returnData = [];
const operation = this.getNodeParameter('operation', 0);
for (let i = 0; i < items.length; i++) {
try {
if (operation === 'create') {
let name = this.getNodeParameter('name', i);
const fifoTopic = this.getNodeParameter('options.fifoTopic', i, false);
const displayName = this.getNodeParameter('options.displayName', i, '');
const params = [];
if (fifoTopic && !name.endsWith('.fifo')) {
name = `${name}.fifo`;
}
params.push(`Name=${name}`);
if (fifoTopic) {
params.push('Attributes.entry.1.key=FifoTopic');
params.push('Attributes.entry.1.value=true');
}
if (displayName) {
params.push('Attributes.entry.2.key=DisplayName');
params.push(`Attributes.entry.2.value=${displayName}`);
}
const responseData = await GenericFunctions_1.awsApiRequestSOAP.call(this, 'sns', 'GET', '/?Action=CreateTopic&' + params.join('&'));
returnData.push({
TopicArn: responseData.CreateTopicResponse.CreateTopicResult.TopicArn,
});
}
if (operation === 'delete') {
const topic = this.getNodeParameter('topic', i, undefined, {
extractValue: true,
});
const params = ['TopicArn=' + topic];
await GenericFunctions_1.awsApiRequestSOAP.call(this, 'sns', 'GET', '/?Action=DeleteTopic&' + params.join('&'));
// response of delete is the same no matter if topic was deleted or not
returnData.push({ success: true });
}
if (operation === 'publish') {
const topic = this.getNodeParameter('topic', i, undefined, {
extractValue: true,
});
const params = [
'TopicArn=' + topic,
'Subject=' + encodeURIComponent(this.getNodeParameter('subject', i)),
'Message=' + encodeURIComponent(this.getNodeParameter('message', i)),
];
const responseData = await GenericFunctions_1.awsApiRequestSOAP.call(this, 'sns', 'GET', '/?Action=Publish&' + params.join('&'));
returnData.push({
MessageId: responseData.PublishResponse.PublishResult.MessageId,
});
}
}
catch (error) {
if (this.continueOnFail()) {
returnData.push({ error: error.message });
continue;
}
throw error;
}
}
return [this.helpers.returnJsonArray(returnData)];
}
}
exports.AwsSns = AwsSns;
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