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.
248 lines (176 loc) • 6.59 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.Polly( { 'region': node.region } );
node.on("input", function(msg) {
var aService = msg.AWSConfig?new AWS.Polly(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.DeleteLexicon=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(n,"Name",params,undefined,false);
copyArg(msg,"Name",params,undefined,false);
svc.deleteLexicon(params,cb);
}
service.DescribeVoices=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(msg,"Engine",params,undefined,false);
copyArg(msg,"LanguageCode",params,undefined,false);
copyArg(msg,"IncludeAdditionalLanguageCodes",params,undefined,false);
copyArg(msg,"NextToken",params,undefined,false);
svc.describeVoices(params,cb);
}
service.GetLexicon=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(n,"Name",params,undefined,false);
copyArg(msg,"Name",params,undefined,false);
svc.getLexicon(params,cb);
}
service.GetSpeechSynthesisTask=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(n,"TaskId",params,undefined,false);
copyArg(msg,"TaskId",params,undefined,false);
svc.getSpeechSynthesisTask(params,cb);
}
service.ListLexicons=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(msg,"NextToken",params,undefined,false);
svc.listLexicons(params,cb);
}
service.ListSpeechSynthesisTasks=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(msg,"MaxResults",params,undefined,false);
copyArg(msg,"NextToken",params,undefined,false);
copyArg(msg,"Status",params,undefined,false);
svc.listSpeechSynthesisTasks(params,cb);
}
service.PutLexicon=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(n,"Name",params,undefined,false);
copyArg(n,"Content",params,undefined,true);
copyArg(msg,"Name",params,undefined,false);
copyArg(msg,"Content",params,undefined,true);
svc.putLexicon(params,cb);
}
service.StartSpeechSynthesisTask=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(n,"OutputFormat",params,undefined,false);
copyArg(n,"OutputS3BucketName",params,undefined,false);
copyArg(n,"Text",params,undefined,false);
copyArg(n,"VoiceId",params,undefined,false);
copyArg(msg,"Engine",params,undefined,false);
copyArg(msg,"LanguageCode",params,undefined,false);
copyArg(msg,"LexiconNames",params,undefined,true);
copyArg(msg,"OutputFormat",params,undefined,false);
copyArg(msg,"OutputS3BucketName",params,undefined,false);
copyArg(msg,"OutputS3KeyPrefix",params,undefined,false);
copyArg(msg,"SampleRate",params,undefined,false);
copyArg(msg,"SnsTopicArn",params,undefined,false);
copyArg(msg,"SpeechMarkTypes",params,undefined,true);
copyArg(msg,"Text",params,undefined,false);
copyArg(msg,"TextType",params,undefined,false);
copyArg(msg,"VoiceId",params,undefined,false);
svc.startSpeechSynthesisTask(params,cb);
}
service.SynthesizeSpeech=function(svc,msg,cb){
var params={};
//copyArgs
copyArg(n,"OutputFormat",params,undefined,false);
copyArg(n,"Text",params,undefined,false);
copyArg(n,"VoiceId",params,undefined,false);
copyArg(msg,"Engine",params,undefined,false);
copyArg(msg,"LanguageCode",params,undefined,false);
copyArg(msg,"LexiconNames",params,undefined,true);
copyArg(msg,"OutputFormat",params,undefined,false);
copyArg(msg,"SampleRate",params,undefined,false);
copyArg(msg,"SpeechMarkTypes",params,undefined,true);
copyArg(msg,"Text",params,undefined,false);
copyArg(msg,"TextType",params,undefined,false);
copyArg(msg,"VoiceId",params,undefined,false);
svc.synthesizeSpeech(params,cb);
}
}
RED.nodes.registerType("AWS Polly", AmazonAPINode);
};