- user = nil
- api_client = nil
- api_client_auth = nil
- supplied_token =
- params["api_token"] ||
- params["oauth_token"] ||
- env["HTTP_AUTHORIZATION"].andand.match(/OAuth2 ([a-zA-Z0-9]+)/).andand[1]
- if supplied_token
- api_client_auth = ApiClientAuthorization.
- includes(:api_client, :user).
- where('api_token=? and (expires_at is null or expires_at > CURRENT_TIMESTAMP)', supplied_token).
- first
- if api_client_auth.andand.user
- user = api_client_auth.user
- api_client = api_client_auth.api_client
- else
- # Token seems valid, but points to a non-existent (deleted?) user.
- api_client_auth = nil
+
+ remote = false
+ reader_tokens = nil
+ if params["remote"] && request.get? && (
+ request.path.start_with?('/arvados/v1/groups') ||
+ request.path.start_with?('/arvados/v1/api_client_authorizations/current') ||
+ request.path.start_with?('/arvados/v1/users/current'))
+ # Request from a remote API server, asking to validate a salted
+ # token.
+ remote = params["remote"]
+ elsif request.get? || params["_method"] == 'GET'
+ reader_tokens = params["reader_tokens"]
+ if reader_tokens.is_a? String
+ reader_tokens = SafeJSON.load(reader_tokens)
+ end
+ end
+
+ # Set current_user etc. based on the primary session token if a
+ # valid one is present. Otherwise, use the first valid token in
+ # reader_tokens.
+ accepted = false
+ auth = nil
+ [params["api_token"],
+ params["oauth_token"],
+ env["HTTP_AUTHORIZATION"].andand.match(/(OAuth2|Bearer) ([!-~]+)/).andand[2],
+ *reader_tokens,
+ ].each do |supplied|
+ next if !supplied
+ try_auth = ApiClientAuthorization.
+ validate(token: supplied, remote: remote)
+ if try_auth.andand.user
+ auth = try_auth
+ accepted = supplied
+ break