Lambda to AWS SNS Linphone Push Notification

app.js

console.log('Loading function');

var aws = require('aws-sdk');

var sns = new aws.SNS({
	apiVersion: '2010-03-31',
	region: 'us-east-1'
});

exports.handler = function(params, context) {
	console.log('Received event:', JSON.stringify(params, null, 2));

	var endpointArn = null;
	var DeviceToken = params.deviceToken;
	
	if(!DeviceToken){
		context.fail("{result:'error', message:'Device Token is empty'}");
	}
	
	sns.createPlatformEndpoint({
		PlatformApplicationArn: 'PLATFORMAPPLICATIONARN',
		Token: DeviceToken
	}, function(err, data) {
		if (err) {
			console.log("createPlatformEndpoint Error");
			console.log(err.stack);

			regex = err.stack.match(/arn:aws:sns[^ ]+/);
			if(regex.length == 1){
				endpointArn = regex[0];
			}
		}else{
			console.log("createPlatformEndpoint OK");
			endpointArn = data.EndpointArn;
			console.log(data);
		}

		if(endpointArn === null){
			console.log("Can't get Platform Endpoint");
			context.fail("{result:'error', message:'Can't get Platform Endpoint'}");
			return;
		}
	
		console.log("ENDPOINTARN:" + endpointArn);

		sns.getEndpointAttributes({
			EndpointArn: endpointArn
		}, function(err, data) {
			if (err){
				console.log("getEndpointAttributes Error");
				console.log(err, err.stack);
				context.fail("{result:'error', message:'Can't get Platform Endpoint Attributes'}");
				return;
			}else{
				console.log("getEndpointAttributes OK");
				console.log(data);
				
				if(data.Attributes.Enabled != 'true' || data.Attributes.Token != DeviceToken){
					console.log("UPDATE REQUEST");
				}
			}
			
			//
			console.log("Push");
			var callerid = params.callerId;
				
			var payload = {
				'call-id': callerid,
				APNS: {
					aps: {
						alert: {
							'loc-key': 'IC_MSG',
							'loc-args': [callerid]
						},
						sound: 'notes_of_the_optimistic.caf',
						badge: 1
					}
				}
			};
		
			payload.APNS = JSON.stringify(payload.APNS);
			payload = JSON.stringify(payload);
		
			sns.publish({
				Message: payload,
				MessageStructure: 'json',
				TargetArn: endpointArn
			}, function(err, data){
				if(err){
					console.log("Push Fail!");
					console.log(err.stack);
					context.fail("{result:'error', message:'Can't get Platform Endpoint Attributes'}");
				}else{
					console.log("Push OK!");
					console.log(data);
					context.succeed("{result:'succeed', message:'Push Notification succeed.'}");
				}
			});
			console.log('push end');
		});
	
	});

};

gistfile1.txt

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": [
                "logs:CreateLogGroup",
                "logs:CreateLogStream",
                "logs:PutLogEvents"
            ],
            "Resource": "arn:aws:logs:*:*:*"
        }
    ]
}

{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": [
                "sns:CreatePlatformEndpoint",
                "sns:GetEndpointAttributes",
                "sns:Publish"
            ],
            "Resource": [
                "PLATFORMAPPLICATIONARN"
            ]
        }
    ]
}