CODEWITHSUNDEEP
google-cloud-platformidentity-aware-proxy
tronline
tronline

Reputation: 117

IAP GCIP integration results in HTTP 404 error on /config resource

Trying to integrate Github OAUTH2 using Google Cloud Identity Platform and Identity Aware Proxy on GCP and Firebase UI deployed on Cloud Run (out-of-the-box). I have owner role for this account

Getting following error from browser console, when trying to access protected application. Redirection seems to be happening but the firebase UI is not shown.

A specified resource is not found, or the request is rejected by undisclosed reasons

The resource url resulting in HTTP status 404 is https://iap-gcip-hosted-ui-app-engine-app-app-specific-code-de.a.run.app/config

Do I require any specific privilege besides the Owner role. Below url is accessible, which is meant for configuring firebase UI

https://iap-gcip-hosted-ui-app-engine-app-app-specific-code-de.a.run.app/admin

Upvotes: 1

Views: 957

Answers (3)

manaya sasaki
manaya sasaki

Reputation: 1

The container can output debug logs if the environment variable DEBUG_CONSOLE=true is set. I recommend checking the debug log when accessing /config. In my case, as indicated in the log below, it was due to the Compute Engine API not being enabled.

GET404 869B 1.2s Chrome 122 https://iap-gcip-hosted-ui-app-engine-app-xxxxxxxxxx-an.a.run.app/config 
GET to http://metadata.google.internal/computeMetadata/v1/project/numeric-project-id
200 response
GET to https://storage.googleapis.com/storage/v1/b/gcip-iap-bucket-iap-gcip-hosted-ui-app-engine-app-xxxxxxxxxxxx/o/config.json?alt=media
404 Response: The specified bucket does not exist.
GET to https://identitytoolkit.googleapis.com/admin/v2/projects/xxxxxxxxxx/config
200 response
GET to https://compute.googleapis.com/compute/v1/projects/xxxxxxxxxx/global/backendServices
403 Response: {
  error: {
    code: 403,
    message: 'Compute Engine API has not been used in project test-geake before or it is disabled. Enable it by visiting https://console.developers.google.com/apis/api/compute.googleapis.com/overview?project=test-geake then retry. If you enabled this API recently, wait a few minutes for the action to propagate to our systems and retry.',
    errors: [ [Object] ],
    status: 'PERMISSION_DENIED',
    details: [ [Object], [Object] ]
  }
}

ref: https://github.com/GoogleCloudPlatform/iap-gcip-web-toolkit/tree/master/authui-container

Upvotes: 0

Mitchell Hentges
Mitchell Hentges

Reputation: 1

I was running into a similar symptom, and the problem was that I didn't have any "Identity Providers" enabled other than "Anonymous", which the GCIP tool didn't know how to use.

Upvotes: 0

tronline
tronline

Reputation: 117

Looks like a bad reference to auth ui project. Reuploading auth ui project to the firebase hosting (associated with gcp project) made it work

Upvotes: 0

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