Swagger with AWS IAM user Access Key/Secret - swagger

I am trying out AWS API Gateway, and it's very easy to import/export API definition from Swagger.
However, I've set my API to require AWS_IAM authorization so it's not public. But I cannot find how to make it work with Swagger UI. It seems Swagger UI only takes API Key, instead of IAM user's Access Key and Secret for Sigv4 signing.
Does anyone know is there a way to configure Swagger UI to take in Access Key/Secret, and sign the request for AWS_IAM auth?
Any direction would be appreciated.
Thanks,

Swagger UI OOTB does not support AWS_IAM auth, however, there you can still accomplish Sigv4 Signing. How to calculate AWS signature V4 in Swagger before request gives two good examples on how to accomplish this.
I used the second example, in conjunction with the author's blog post to test with multiple user Access Key/Secrets. The blog post also goes into more detail on using the AWS JS SDK for this purpose.

Related

Is it safe to distribute client_id and client_secret for Google API for an installed application?

Similar questions have been asked before (1,2), but not explicitly answered:
Is it safe to store the client id and client secret credentials obtained for an Installed application -> Other for the Google API with the distributed source code of a command line application which will be distributed? Or will it be possible to access user accounts or data without the access_token granted by user consent?
The Google API docs specifies that..:
.. results in a client ID and, in some cases, a client secret, which you embed in the source code of your application. (In this context, the client secret is obviously not treated as a secret.)
it is apparent from other documentation that this is not best practice: the client_secret should not even be provided by the service, but it is currently required by the oauth2 and googleapiclient libraries (for Python), and probably by the Google service as well.
The application will use oauth2 based on these official examples.
References, good explanation or documentation that confirms whether this is truly safe or not is much appreciated.
Client Id is a publicly visible and it is safe to put it in your website, but it is not safe to put your client secret in js or html code in a website

How to programmatically obtain OAuth2 client credentials for Google API

I'm trying to create a redistributable web application that will integrate with Google Analytics through the Google Reporting API. Customer will install the application on their server.
I'm following this tutorial (I'm using PHP, but I believe this is not of importance for my question)
https://developers.google.com/analytics/resources/tutorials/hello-analytics-api
This works fine. No issues there.
However I can't figure out one missing element:
The tutorial starts with sending me to the Google APIs console where I have to create and configure a new API project and create and configure a client ID.
That's a lot of work that requires fairly technical knowledge (redirect url, selecting correct API, error-prone copy-and-pasting, etc.)
So my questions:
Is there an API so I can programmatically set this up for my user?
If that's not possible, is there a more user-friendly way to obtain Analytics reporting that is future-proof? (I noticed they are currently deprecating a few older APIs)
Unfortunately that's AFAIK not possible.
You could go one of the following ways:
Move client_id and client_secret to some configuration file and help your customer with deployment.
Show a one-time setup wizard for your app and guide your customer step-by-step. There you can at least provide him with the right callback URLs.
Regard your application as "installed application" and instrument curl or something similar for sending the requests.

Grails: Securing REST API with OAuth2.0

I am building a REST API using Grails. I want it to be protected using OAuth2.0 client_credentials flow(grant_type). My use-case is as follows:
a external agent will send a request to something like
http://server-url/oauth/token?client_id=clientId&client_secret=clientSecret&grant_type=client_credentials
and obtain a access_token. Then, my URL(protected resource) should be accesible with something like
http://server-url/resource?access_token={access-token obtained before}
I am looking for something that makes doing this on Grails easy and quick. What will be the best way/tool/plugin to use for this ? Scribe library is an option, if there are any tutorials for my specific use-case, it will be great.
P.S.: I have tried the spring-security and related plugins, no joy there. Any alternatives would be nice.
I have the same issue. I found a lot of grails plugins that helped you authenticate your app against other oauth providers, but nothing that would help me make my app the oauth provider. After a lot of digging, I came across this grails plugin that will do exactly what you want.
https://github.com/adaptivecomputing/grails-spring-security-oauth2-provider
I'm still configuring it for my application, and I think the docs might need a few edits (specifically the authorization_code flow) but I got the simple client_credentials flow to work with minimal configuration. Hope that helps!
Based on my experiences, Scribe was built for OAuth 1.0 and has only very limited support for OAuth 2.0. In fact, for testing our own OAuth 2 implementation, all we could use from it was an HTTP request wrapper, we had to do anything else manually. Fortunately, doing it manually is suprisingly easy.
Since I still haven't found a fine open OAuth 2.0 library for Java (frankly I'm not familiar with Groovy), I encourage you to write the client code for yourself. You don't even need a client callback endpoint to use the client credentials grant flow. So you simply create an HTTP request (as you've written above already, take care to escape the GET parameters though) and get the response content. Your flow does not use redirects, so simply parse the JSON object in the response content, e.g. with the org.json library. Finally, send an HTTP request using the extracted access token.
Note that your examples are not completely standard compliant. The standard requires using HTTPS, sending the token in an HTTP header instead of a GET parameter and suggests using a HTTP basic authorization header instead of GET parameters to specify client credentials.
I may have misunderstood your question, and you may want to implement the server side, too. The scribe library supports only client side, so you can find a commercial implementation or implement your own server. It is a complex task, but if you support only the client credentials flow, it almost becomes easy. ;-)
This isn't a plugin, it's just a sample Grails application that acts as an OAuth provider. It was really easy to get up and running with Grails 3.
https://github.com/bobbywarner/grails3-oauth2-api

Building an API with/without OAuth and OpenID

I need to develop an API to be the core of a web APP.
My initial idea was making a REST API that would treat all the request and then create some clients for web, mobile and desktop.
My question is, How should I manage the authentication for this situation?
I thought about using a token that would be passed with all requests to the REST API.
Im my case, I would not like to have something like OAuth because the ecosystem will not have multiple apps like Facebook/Twitter does.
NOTE: I must have the API separated from the client for web.
In more details, I would request POST /users/auth passing their password and username, and receive an auth token.
Is it a good approach or there is something better?
Agree that Devise is great for the auth in the application. For the API level, 3scale could help a lot (http://www.3scale.net) - it takes care of rate limits, keys, oauth secret distribution, analytics, developer portal and other stuff. There's a ruby plugin to get started here: https://github.com/3scale/3scale_ws_api_for_ruby.
Devise is a fantastic gem that handles authentication in rails apps. It also provides token based authentication. You can find many resources on the web (for example here) explainig how to use it. No doubt it will fit for your situation.

Building A RESTFul API, How To Do Authentication

I am building a RESTFul API and wondering what's the best way to do auth? Users will need to authenticate. I know of three ways:
1.) Pass API key in every RESTFul requests:
http://api.mydomain.com/api-key-here/get-users
This is nice because developers can immediately start using the API by simply copying URL string into the browser. Are there any potential security risks though?
2.) Every request passes the API key in the header of the request.
This seems to be more secure, but developers can't make requests via their browser. CURL is required.
3.) oAuth
I must admit I don't know much about it, but seems very popular. My concern is that its a barrier for developers to start using the API. They first must be familiar with oAuth, and have it setup.
Thoughts? Thanks greatly.
If your concern is burdening developers with a high cost to entry, I suggest basic auth, but running your API over https.
I do this with Diligent Street and it works really well. I use an API Key and couple it with a Secret as the username/password combination for basic auth.
I have employed the technique found here: Build a RESTful API. This solution uses an MD5 hash of your API ID, API secret and the UNIX Time stamp and passed in the HTTP header. This authentication method is the same used by Mashery’s Authentication.
This link references and contains a full blown starter kit for creating an API that has Auth, Membership and*API Usage Metering* along with a supporting EF database.
As for testing the service you can use RESTClient to execute HTTP calls with custom headers instead of using Curl.

Resources