+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
# Perform api_token checking very early in the request process. We want to do
# this in the Rack stack instead of in ApplicationController because
# websockets needs access to authentication but doesn't use any of the rails
# Create a new ArvadosApiToken handler
# +app+ The next layer of the Rack stack.
def initialize(app = nil, options = nil)
- @app = app if app.respond_to?(:call)
+ @app = app.respond_to?(:call) ? app : nil
end
def call env
- # First, clean up just in case we have a multithreaded server and thread
- # local variables are still set from a prior request. Also useful for
- # tests that call this code to set up the environment.
- Thread.current[:api_client_ip_address] = nil
- Thread.current[:api_client_authorization] = nil
- Thread.current[:api_client_uuid] = nil
- Thread.current[:api_client] = nil
- Thread.current[:user] = nil
-
request = Rack::Request.new(env)
params = request.params
remote_ip = env["action_dispatch.remote_ip"]
Thread.current[:request_starttime] = Time.now
- user = nil
- api_client = nil
- api_client_auth = nil
- supplied_token =
- params["api_token"] ||
- params["oauth_token"] ||
- env["HTTP_AUTHORIZATION"].andand.match(/OAuth2 ([a-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/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
- Thread.current[:api_client_ip_address] = remote_ip
- Thread.current[:api_client_authorization] = api_client_auth
- Thread.current[:api_client_uuid] = api_client.andand.uuid
- Thread.current[:api_client] = api_client
- Thread.current[:user] = user
- if api_client_auth
- api_client_auth.last_used_at = Time.now
- api_client_auth.last_used_by_ip_address = remote_ip.to_s
- api_client_auth.save validate: false
+
+ # 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) ([-\/a-zA-Z0-9]+)/).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
+ end
end
+ Thread.current[:api_client_ip_address] = remote_ip
+ Thread.current[:api_client_authorization] = auth
+ Thread.current[:api_client_uuid] = auth.andand.api_client.andand.uuid
+ Thread.current[:api_client] = auth.andand.api_client
+ Thread.current[:token] = accepted
+ Thread.current[:user] = auth.andand.user
+
@app.call env if @app
end
end