1 # Copyright (C) The Arvados Authors. All rights reserved.
3 # SPDX-License-Identifier: AGPL-3.0
5 class ApiClientAuthorization < ArvadosModel
8 include CommonApiTemplate
9 extend CurrentApiClient
11 belongs_to :api_client
13 after_initialize :assign_random_api_token
14 serialize :scopes, Array
16 api_accessible :user, extend: :common do |t|
21 t.add :created_by_ip_address
22 t.add :default_owner_uuid
25 t.add :last_used_by_ip_address
29 UNLOGGED_CHANGES = ['last_used_at', 'last_used_by_ip_address', 'updated_at']
31 def assign_random_api_token
32 self.api_token ||= rand(2**256).to_s(36)
39 self.user_id_changed? ? User.where(id: self.user_id_was).first.andand.uuid : self.user.andand.uuid
41 def owner_uuid_changed?
45 def modified_by_client_uuid
48 def modified_by_client_uuid=(x) end
50 def modified_by_user_uuid
53 def modified_by_user_uuid=(x) end
58 def modified_at=(x) end
60 def scopes_allow?(req_s)
61 scopes.each do |scope|
62 return true if (scope == 'all') or (scope == req_s) or
63 ((scope.end_with? '/') and (req_s.start_with? scope))
68 def scopes_allow_request?(request)
69 method = request.request_method
71 (scopes_allow?(['HEAD', request.path].join(' ')) ||
72 scopes_allow?(['GET', request.path].join(' ')))
74 scopes_allow?([method, request.path].join(' '))
79 super.except 'api_token'
82 def self.default_orders
83 ["#{table_name}.id desc"]
86 def self.remote_host(uuid_prefix:)
87 Rails.configuration.remote_hosts[uuid_prefix] ||
88 (Rails.configuration.remote_hosts_via_dns &&
89 uuid_prefix+".arvadosapi.com")
92 def self.validate(token:, remote:)
94 remote ||= Rails.configuration.uuid_prefix
98 _, uuid, secret = token.split('/')
99 auth = ApiClientAuthorization.
100 includes(:user, :api_client).
101 where('uuid=? and (expires_at is null or expires_at > CURRENT_TIMESTAMP)', uuid).
103 if auth && auth.user &&
104 (secret == auth.api_token ||
105 secret == OpenSSL::HMAC.hexdigest('sha1', auth.api_token, remote))
109 uuid_prefix = uuid[0..4]
110 if uuid_prefix == Rails.configuration.uuid_prefix
111 # If the token were valid, we would have validated it above
113 elsif uuid_prefix.length != 5
118 host = remote_host(uuid_prefix: uuid_prefix)
120 Rails.logger.warn "remote authentication rejected: no host for #{uuid_prefix.inspect}"
124 # Token was issued by a different cluster. If it's expired or
125 # missing in our database, ask the originating cluster to
128 clnt = HTTPClient.new
129 remote_user = SafeJSON.load(
130 clnt.get_content('https://' + host + '/arvados/v1/users/current',
131 {'remote' => Rails.configuration.uuid_prefix},
132 {'Authorization' => 'Bearer ' + token}))
134 logger.warn "remote authentication with token #{token.inspect} failed: #{e}"
135 STDERR.puts e.backtrace
138 if !remote_user.is_a?(Hash) || !remote_user[:uuid].is_a?(String) || remote_user[:uuid][0..4] != uuid[0..4]
139 logger.warn "remote authentication rejected: remote_user=#{remote_user.inspect}"
142 act_as_system_user do
143 # Add/update user and token in our database so we can
144 # validate subsequent requests faster.
146 user = User.find_or_create_by(uuid: remote_user[:uuid])
149 [:first_name, :last_name, :email, :prefs].each do |attr|
150 updates[attr] = remote_user[attr]
153 if Rails.configuration.new_users_are_active
154 # Update is_active to whatever it is at the remote end
155 updates[:is_active] = remote_user[:is_active]
156 elsif !updates[:is_active]
157 # Remote user is inactive; our mirror should be, too.
158 updates[:is_active] = false
161 user.update_attributes!(updates)
163 auth = ApiClientAuthorization.
165 find_or_create_by(uuid: uuid,
169 # Accept this token (and don't reload the user record) for
170 # 5 minutes. TODO: Request the actual api_client_auth
171 # record from the remote server in case it wants the token
173 auth.update_attributes!(expires_at: Time.now + 5.minutes)
177 auth = ApiClientAuthorization.
178 includes(:user, :api_client).
179 where('api_token=? and (expires_at is null or expires_at > CURRENT_TIMESTAMP)', token).
190 def permission_to_create
191 current_user.andand.is_admin or (current_user.andand.id == self.user_id)
194 def permission_to_update
195 (permission_to_create and
196 not uuid_changed? and
197 not user_id_changed? and
198 not owner_uuid_changed?)
202 super unless (changed - UNLOGGED_CHANGES).empty?