Proper configuration for proxy.config / config.json for self hosted Web Appbuilder to show OAuth2 Popup

07-11-2016 11:16 AM
Occasional Contributor III

The security workflow for desired authentication workflow seems convoluted, so I'm hoping I can find some clarity here.

I can't seem to get an OAuth2 popup to challenge a user trying to login to a self hosted Web App builder app (i.e. downloaded from WAB Developer edition and hosted on my own web server) with a secured web map OR secured layer.  The only authentication challenge I get is

instead of

I've followed the instructions in What's the proper configuration for proxy.config and config.json for a self-hosted Web AppBuilder fo... but it doesn't work.

Has anyone successfully been able to replicate this workflow?  I want my users to be able to go to the application (without having to go through my Portal - just a direct link to the URL), and login using an identity provider (as opposed to built in Portal credentials).

Here is what I've done:

1. Created a web map in Portal for ArcGIS 10.4 (which is federated with my server)

2. Created a web app (based on my web map) in web app builder dev edition, downloaded the code, and placed it on my own web server. Lets say its https://mywebserver/myapp

3.  Registered https://mywebserver/myapp as an application in Portal for ArcGIS, and set the redirect URIs to be https://mywebserver and the URI for my portal (https://myportalsite).  This generated an appID and appSecret.

4. Following instructions in Alex Mahrou's post, I have modified my config.json items as such:

"portalUrl": "https://myportalsite",
  "appId": "myappid",
"isWebTier": true,
  "httpProxy": {
    "useProxy": true,
    "alwaysUseProxy": false,
    "url": "https://mywebserver/proxy/proxy.ashx",
    "rules": [{"urlPrefix":"https://myportalsite","proxyUrl":"/proxy/proxy.ashx"}]

5. Also following instructions in Alex Mahrou's post, I have modified my proxy.config as such:

        <serverUrl url=""
  <serverUrl url="https://mywebserver"
  <serverUrl url="https://myportalsite/"

7. Secured my web map to only be accessible to a specific group

8. Tried to log into app. 

I am only presented with the basic sign in challenge instead of the Oauth2 challenge.  The same behavior happens if I secure the registered web app in Portal, or secure one of the layers in my web map.  Can anyone here give me any assistance?


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