viewer-based-credentials.md
In connectcreds: Manage 'OAuth' Credentials from 'Posit Connect'

has_viewer_token() returns false when not on Connect

Code
  has_viewer_token(session = session)
Output
  [1] FALSE

Code
  has_viewer_token(session = session)
Message
  No viewer-based credentials found.
  i Viewer-based credentials are only available when running on Connect.
Output
  [1] FALSE

missing viewer credentials generate errors on Connect

Code
  has_viewer_token()
Output
  [1] FALSE

Code
  connect_viewer_token()
Condition
  Error in `connect_viewer_token()`:
  ! Viewer-based credentials are not supported by this version of Connect.

Code
  has_viewer_token()
Message
  No viewer-based credentials found.
  Caused by error in `connect_viewer_token()`:
  ! Viewer-based credentials are not supported by this version of Connect.
Output
  [1] FALSE

token exchange requests to Connect look correct

Code
  list(url = req$url, headers = req$headers, body = req$body$data)
Output
  $url
  [1] "localhost:3030/__api__/v1/oauth/integrations/credentials"

  $headers
  $headers$Authorization
  [1] "Key key"

  $headers$Accept
  [1] "application/json"

  attr(,"redact")
  [1] "Authorization"

  $body
  $body$grant_type
  [1] "urn%3Aietf%3Aparams%3Aoauth%3Agrant-type%3Atoken-exchange"

  $body$subject_token
  [1] "user-token"

  $body$subject_token_type
  [1] "urn%3Aposit%3Aconnect%3Auser-session-token"

mock Connect responses work as expected

Code
  connect_viewer_token()
Condition
  Error in `connect_viewer_token()`:
  ! Cannot fetch viewer-based credentials for the current Shiny session.
  Caused by error:
  ! OAuth failure [invalid_request]
  * No OAuth integrations have been associated with this content item.
  i Learn more at <https://docs.posit.co/connect/user/oauth-integrations/#adding-oauth-integrations-to-deployed-content>.

Code
  connect_viewer_token()
Condition
  Error in `connect_viewer_token()`:
  ! Cannot fetch viewer-based credentials for the current Shiny session.
  Caused by error:
  ! Failed to parse response from `client$token_url` OAuth url.
  Caused by error in `resp_body_json()`:
  ! Unexpected content type "text/plain".
  * Expecting type "application/json" or suffix "json".