node-red-contrib-aws
Version:
A collection of Node-RED nodes for AWS. Includes nodes for DynamoDB, EC2, IoT, Kinesis, Lambda, SNS, SQS and S3.
409 lines (271 loc) • 10.2 kB
JavaScript
/**
* Copyright 2021 Daniel Thomas.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
module.exports = function(RED) {
"use strict";
function AmazonAPINode(n) {
RED.nodes.createNode(this,n);
this.awsConfig = RED.nodes.getNode(n.aws);
this.region = n.region;
this.operation = n.operation;
this.name = n.name;
this.region = this.awsConfig.region;
this.accessKey = this.awsConfig.accessKey;
this.secretKey = this.awsConfig.secretKey;
var node = this;
var AWS = require("aws-sdk");
AWS.config.update({
accessKeyId: this.accessKey,
secretAccessKey: this.secretKey,
region: this.region
});
if (!AWS) {
node.warn("Missing AWS credentials");
return;
}
if (this.awsConfig.proxyRequired){
var proxy = require('proxy-agent');
AWS.config.update({
httpOptions: { agent: new proxy(this.awsConfig.proxy) }
});
}
var awsService = new AWS.SQS( { 'region': node.region } );
node.on("input", function(msg) {
var aService = msg.AWSConfig?new AWS.SQS(msg.AWSConfig) : awsService;
node.sendMsg = function (err, data, msg) {
if (err) {
node.status({fill:"red",shape:"ring",text:"error"});
node.error("failed: " + err.toString(), msg);
node.send([null, { err: err }]);
return;
} else {
msg.payload = data;
node.status({});
}
node.send([msg,null]);
};
if (typeof service[node.operation] == "function"){
node.status({fill:"blue",shape:"dot",text:node.operation});
service[node.operation](aService,msg,function(err,data){
node.sendMsg(err, data, msg);
});
} else {
node.error("failed: Operation node defined - "+node.operation);
}
});
var copyArg=function(src,arg,out,outArg,isObject){
var tmpValue=src[arg];
outArg = (typeof outArg !== 'undefined') ? outArg : arg;
if (typeof src[arg] !== 'undefined'){
if (isObject && typeof src[arg]=="string" && src[arg] != "") {
tmpValue=JSON.parse(src[arg]);
}
out[outArg]=tmpValue;
}
//AWS API takes 'Payload' not 'payload' (see Lambda)
if (arg=="Payload" && typeof tmpValue == 'undefined'){
out[arg]=src["payload"];
}
}
var service={};
service.AddPermission=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(n,"QueueUrl",params,undefined,false);
copyArg(n,"Label",params,undefined,false);
copyArg(n,"AWSAccountIds",params,undefined,false);
copyArg(n,"Actions",params,undefined,false);
copyArg(msg,"QueueUrl",params,undefined,false);
copyArg(msg,"Label",params,undefined,false);
copyArg(msg,"AWSAccountIds",params,undefined,false);
copyArg(msg,"Actions",params,undefined,false);
svc.addPermission(params,cb);
}
service.ChangeMessageVisibility=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(n,"QueueUrl",params,undefined,false);
copyArg(n,"ReceiptHandle",params,undefined,false);
copyArg(n,"VisibilityTimeout",params,undefined,false);
copyArg(msg,"QueueUrl",params,undefined,false);
copyArg(msg,"ReceiptHandle",params,undefined,false);
copyArg(msg,"VisibilityTimeout",params,undefined,false);
svc.changeMessageVisibility(params,cb);
}
service.ChangeMessageVisibilityBatch=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(n,"QueueUrl",params,undefined,false);
copyArg(n,"Entries",params,undefined,false);
copyArg(msg,"QueueUrl",params,undefined,false);
copyArg(msg,"Entries",params,undefined,false);
svc.changeMessageVisibilityBatch(params,cb);
}
service.CreateQueue=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(n,"QueueName",params,undefined,false);
copyArg(msg,"QueueName",params,undefined,false);
copyArg(msg,"Attributes",params,undefined,true);
copyArg(msg,"tags",params,undefined,true);
svc.createQueue(params,cb);
}
service.DeleteMessage=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(n,"QueueUrl",params,undefined,false);
copyArg(n,"ReceiptHandle",params,undefined,false);
copyArg(msg,"QueueUrl",params,undefined,false);
copyArg(msg,"ReceiptHandle",params,undefined,false);
svc.deleteMessage(params,cb);
}
service.DeleteMessageBatch=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(n,"QueueUrl",params,undefined,false);
copyArg(n,"Entries",params,undefined,false);
copyArg(msg,"QueueUrl",params,undefined,false);
copyArg(msg,"Entries",params,undefined,false);
svc.deleteMessageBatch(params,cb);
}
service.DeleteQueue=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(n,"QueueUrl",params,undefined,false);
copyArg(msg,"QueueUrl",params,undefined,false);
svc.deleteQueue(params,cb);
}
service.GetQueueAttributes=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(n,"QueueUrl",params,undefined,false);
copyArg(msg,"QueueUrl",params,undefined,false);
copyArg(msg,"AttributeNames",params,undefined,true);
svc.getQueueAttributes(params,cb);
}
service.GetQueueUrl=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(n,"QueueName",params,undefined,false);
copyArg(msg,"QueueName",params,undefined,false);
copyArg(msg,"QueueOwnerAWSAccountId",params,undefined,false);
svc.getQueueUrl(params,cb);
}
service.ListDeadLetterSourceQueues=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(n,"QueueUrl",params,undefined,false);
copyArg(msg,"QueueUrl",params,undefined,false);
copyArg(msg,"NextToken",params,undefined,false);
copyArg(msg,"MaxResults",params,undefined,false);
svc.listDeadLetterSourceQueues(params,cb);
}
service.ListQueueTags=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(n,"QueueUrl",params,undefined,false);
copyArg(msg,"QueueUrl",params,undefined,false);
svc.listQueueTags(params,cb);
}
service.ListQueues=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(msg,"QueueNamePrefix",params,undefined,false);
copyArg(msg,"NextToken",params,undefined,false);
copyArg(msg,"MaxResults",params,undefined,false);
svc.listQueues(params,cb);
}
service.PurgeQueue=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(n,"QueueUrl",params,undefined,false);
copyArg(msg,"QueueUrl",params,undefined,false);
svc.purgeQueue(params,cb);
}
service.ReceiveMessage=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(n,"QueueUrl",params,undefined,false);
copyArg(msg,"QueueUrl",params,undefined,false);
copyArg(msg,"AttributeNames",params,undefined,true);
copyArg(msg,"MessageAttributeNames",params,undefined,false);
copyArg(msg,"MaxNumberOfMessages",params,undefined,false);
copyArg(msg,"VisibilityTimeout",params,undefined,false);
copyArg(msg,"WaitTimeSeconds",params,undefined,false);
copyArg(msg,"ReceiveRequestAttemptId",params,undefined,false);
svc.receiveMessage(params,cb);
}
service.RemovePermission=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(n,"QueueUrl",params,undefined,false);
copyArg(n,"Label",params,undefined,false);
copyArg(msg,"QueueUrl",params,undefined,false);
copyArg(msg,"Label",params,undefined,false);
svc.removePermission(params,cb);
}
service.SendMessage=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(n,"QueueUrl",params,undefined,false);
copyArg(n,"MessageBody",params,undefined,false);
copyArg(msg,"QueueUrl",params,undefined,false);
copyArg(msg,"MessageBody",params,undefined,false);
copyArg(msg,"DelaySeconds",params,undefined,false);
copyArg(msg,"MessageAttributes",params,undefined,true);
copyArg(msg,"MessageSystemAttributes",params,undefined,true);
copyArg(msg,"MessageDeduplicationId",params,undefined,false);
copyArg(msg,"MessageGroupId",params,undefined,false);
svc.sendMessage(params,cb);
}
service.SendMessageBatch=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(n,"QueueUrl",params,undefined,false);
copyArg(n,"Entries",params,undefined,false);
copyArg(msg,"QueueUrl",params,undefined,false);
copyArg(msg,"Entries",params,undefined,false);
svc.sendMessageBatch(params,cb);
}
service.SetQueueAttributes=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(n,"QueueUrl",params,undefined,false);
copyArg(n,"Attributes",params,undefined,true);
copyArg(msg,"QueueUrl",params,undefined,false);
copyArg(msg,"Attributes",params,undefined,true);
svc.setQueueAttributes(params,cb);
}
service.TagQueue=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(n,"QueueUrl",params,undefined,false);
copyArg(n,"Tags",params,undefined,true);
copyArg(msg,"QueueUrl",params,undefined,false);
copyArg(msg,"Tags",params,undefined,true);
svc.tagQueue(params,cb);
}
service.UntagQueue=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(n,"QueueUrl",params,undefined,false);
copyArg(n,"TagKeys",params,undefined,false);
copyArg(msg,"QueueUrl",params,undefined,false);
copyArg(msg,"TagKeys",params,undefined,false);
svc.untagQueue(params,cb);
}
}
RED.nodes.registerType("AWS SQS", AmazonAPINode);
};