aws/aws-sdk-js

AWS SDK for JavaScript in the browser and Node.js

William Rust

@willrust

Looking for some advice on accessing Cognito user details from an AccessToken in node js.

I know that I can use CognitoIdentityServiceProvider to get what I need, but this requires using a callback. My goal is to provide the user values in an Express context, so async/callbacks aren't going to work for me.

Is my only option to manually validate the JWT access token and extract values?

BertrandMarechal

@BertrandMarechal

an Express will be a perfect place for Async / callback approach, what's the issue with it ?

I also cannot remember what the AWS AccessToken is built on, but if it uses JWT, you might be able to get some info out of it

you can check on jwt.io if it is a jwt token

William Rust

@willrust

Got it. Thanks @BertrandMarechal. I didn't realize that the context could be set using an async closure. Seems to work. Thanks!

Mark Avery

@webark

@BertrandMarechal “Head” “desk” “slam”… so I guess that CDK code creates the api gateway but it doesn’t deploy it fully? and so I had to go into the API and deploy it.. https://forums.aws.amazon.com/thread.jspa?threadID=293013 got me where I needed

BertrandMarechal

@BertrandMarechal

@webark yeah, it might just update it then. There might be a way to deploy the API after running the API Gateway creation. Glad you figured it out. Was it a bit more digging, or did you contact their support in the end ?

@willrust :thumbsup:

Mark Avery

@webark

just more digging.. searched for the string that was in the logs..

AngelineDaniel

@AngelineDaniel

Hi @ankitch89 I am running into the same issue, did you find a fix? I am fairly new to aws, do you have any typescript code samples to make requests from lambda to elastic search?

imre.turi

@Binjaaa

hey, I'm quite new in the JS side of AWS. Does anybody know if there is a plan to release modular SDK?

imre.turi

@Binjaaa

nvm, I found it: https://github.com/aws/aws-sdk-js-v3

Choongkyu

@Choongkyu

hello. can anyone help with exposing a port for an ec2 instance?

Ghost

@ghost~5e415112d73408ce4fd93175

@zebralight You need to add a security group on EC2 instance and mention the port which you want to expose in inbound rules. In case you want to connect to your application Just make sure the port should be same as on which you are running the web application. If you face any problem do let me know, I will help you out.

Anish Shah

@anish_metrik_gitlab

I'm getting an ExpiredToken exception while trying to upload object to S3 - using sdk v2

any ideas how to resolve this

pimvdberg

@pimftw

Hi im trying to mock AWS services using, aws-sdk-mock. I ge the error: Missing region in config. It has something to do with the initialise of the client. I can not figure out whats wrong.

Ronique Ricketts

@RoniqueRicketts

I am currently working on an app and I am getting this error Cannot find module '/codebuild/output/src599470665/src/KAMS/node_modules/gulp/bin/gulp.js when I try to build the app in aws amplify

AnyhowStep

@AnyhowStep

I can't seem to get EventBridge rules to work.

I created a hello world lambda that just logs the event.
When testing the event, the CloudWatch logs display the logged event.

When I try to putEvents(), I get a success response with the event id.

So, the only thing that I can think of that should be broken is my rule

The "Event Pattern" is just { "account" : [myAccount] }

The event bus is the event bus I am using for putEvents()

And the target is the lambda I just created

But nothing is logged

Status says "Enabled"

AnyhowStep

@AnyhowStep

I'm using this to test,

eventBridge.putEvents({
        Entries : [
            {
                Source : "some.source",
                DetailType : "EventBridgeTest",
                Detail : JSON.stringify({ hello : "world" }),
                EventBusName : "some-event-bus",
                Time : new Date(),
            }
        ],
    })

xmunx

@xmunx

Hi guys, I am trying to upload a file to S3 using s3.createPresignedPost... this is so incredibly frustrating. Been on it for hours and hours and can't get past

<Code>AccessDenied</Code>
    <Message>No AWSAccessKey was presented.</Message>

I've tried everything I could find on the internet, setting up CORS settings for the Bucket, adding headers, removing headers... just totally lost here.

This message is so generic (you get it if you try to POST to an unexisting bucket, for example) that I don't even know where to begin. I've been a programmer for 15 years now. I would be able to figure this out if I could find a working example or something. The AWS developer experience is just so bad.

Justin Taylor

@jsdtaylor

@pimftw did you get sorted with this?

"Missing region in config"

Yair Ivan Medina Cota

@yairi.medinac_gitlab

hello

Franz Bu

@fbussv

I am new with AWS javascript sdk and we are trying to interact with AWS IoT over websockets since normal MQTT connection to AWS IoT with TLS (with certificates) is not supported for browsers.
I have been following this guide and also this guide but i cannot understand where the credentials and sessionToken is comming from. I know where to find my credentials (access key ID and secret access key) on my AWS account but when i try to run the examples mentioned in both links i become always an error because i dont know how to get my credentials and session token. It seems like i have to use AWS cognito?? but it should be an other way without this other service or not? Has someone maybe a more complete example? Please be kind and help me :D

In the code bellow i think somewhere i should do something like this:

var con = AWS.Credentials({accessKey: 'KEY',secretAccessKey: 'SECRET_KEY'})

or like this:

var con = AWS.Config.Credentials({accessKey: 'KEY',secretAccessKey: 'SECRET_KEY'})

Because i always become an error here:

AWS.config.credentials.sessionToken

But how i have to do it exactly?? I havent been able to find a good and complete example...

The imports/sources i am using:

<script src="https://sdk.amazonaws.com/js/aws-sdk-2.653.0.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.11.2/moment.min.js" type="text/javascript"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.2/components/core-min.js" type="text/javascript"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.2/components/hmac-min.js" type="text/javascript"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/crypto-js/3.1.2/components/sha256-min.js" type="text/javascript"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/paho-mqtt/1.0.1/mqttws31.min.js" type="text/javascript"></script>

Gus Narea

@gnarea

Hello. I have a Node.js web app that communicates with S3. Is it safe to reuse the same AWS.S3 object across (concurrent) requests? I'd like to initialise the S3 client with keep-alive at the module level, assuming it's safe to use the same object concurrently.

hiitsrob

@hiitsrob

Hi, hope this is the right channel. I'm trying to figure out a way to query n random items from dynamoDB without scanning the entire thing? Could anyone point me in the right direction?

Spiff77

@Spiff77

Hey guys, did you manage to do a put request with Amplify and Angular 9, Having a 403...

Ivan Perevernykhata

@perevernihata

hey guys, I may be missing something obvious but when I install @aws-amplify which gets @aws-sdk as a dependency, I', getting alot of You may need an appropriate loader to handle this file type. which complains about async/await. I see that sdk has both cjs and precompiled es exports, but somehow react-create-app picks csj version

SyntaxError: Unexpected token (13:20)
 @ ./~/@aws-sdk/credential-provider-cognito-identity/dist/cjs/index.js 4:21-53

ccie8339

@ccie8339

Hello, I am trying to create an interface for Amazon Connect (Contact Center) for the browser. Connect uses it's own user database, and I am trying to allow users to authenticate against this database, instead of something like Cognito. I don't want to embed a app key/secret key. Can anyone point me in the right direction? I am trying to pull info about queues and metrics to add to the agents CCP interface.

Ronique Ricketts

@RoniqueRicketts

How can I query an Appsync API from lamda function

Thomas Krause

@Obirah

Hey guys, I just released a small npm library that allows you to transform a CIDR and a list of denied sub-CIDRs into a list of allowed CIDRs:

https://github.com/Obirah/cidr-deny-allow-transformer
https://www.npmjs.com/package/cidr-deny-allow-transformer

Might come in handy for anyone who is dealing with SecurityGroups and their traffic configuration. My personal use-case is denying a set of sub-CIDRs that contain internet gateways while the rest of the larger "main" CIDR needs to be allowed. I'm using this in combination with CDK but I'm sure it might also be useful for some SDK users.

Nenad Kostic

@nkostic

I am using node 6 and in the loop I am sending the files to s3 using aws-sdk and I get this error : buffer.js:25
const ui8 = new Uint8Array(size);
^

RangeError: Invalid array buffer length
at new ArrayBuffer (native)
at new Uint8Array (native)
at createBuffer (buffer.js:25:17)
at allocate (buffer.js:158:12)
at new Buffer (buffer.js:56:12)
at allocNewPool (fs.js:1602:10)
at ReadStream._read (fs.js:1701:5)
at ReadStream.Readable.read (_stream_readable.js:336:10)
at ManagedUpload.fillStream (/opt/ocu/node/node_modules/aws-sdk/lib/s3/managed_upload.js:422:25)
at ReadStream.<anonymous> (/opt/ocu/node/node_modules/aws-sdk/lib/s3/managed_upload.js:188:4425)

when the list of this file (array) is smaller all works well but we ran into problems when the list have more than 1000 elements.

Any ideas someone ?

At first I used ^2.541.0 now I tried ^2.671.0 same outcome.

schmidtfx

@schmidtfx

Hi, what is the best room to ask about AWS Kinesis?

Artūras Sotničenko

@tuturis

Hi whats the best way to create aws cloud front signed URL with custom policy for resources? I need to get signed URL for .m3u8 and resources that are related to it (namespaced) in s3 bucket so web player can access it. Is there any guidelines?

Artūras Sotničenko

@tuturis

Currently, I can do a signed URL using

AWS.CloudFront.Signer(cloudfrontAccessKeyId, cloudFrontPrivateKey).getSignedUrl({expires , url});

but when I add Base64 encoded policy as a parameter that permits access to the namespace, the cloud front will return 403

Jerng

@jerng

Screenshot from 2020-05-12 16-34-36 (2).png

Hello, is there a standard way to troubleshoot "builds from the SDK builder"? I have not been able to run the downloaded .js file. I actually want to run this in Node on Lambda, but I also tested it in the browser, and the screencap is from the browser error.

This message was deleted

Darwayne Jay Alfaro

@alfarodarwaynejay

Hello everyone, is it possible to use sdk to create and deploy eks cluster? Does anyone has some documentations, besides the aws docs, and tutorials? thanks.

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