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|
20 # NB the "api_token" db column is a misnomer in that it's only the
21 # "secret" part of a token: a v1 token is just the secret, but a
22 # v2 token is "v2/uuid/secret".
24 t.add :created_by_ip_address
25 t.add :default_owner_uuid
28 t.add :last_used_by_ip_address
32 UNLOGGED_CHANGES = ['last_used_at', 'last_used_by_ip_address', 'updated_at']
34 def assign_random_api_token
35 self.api_token ||= rand(2**256).to_s(36)
42 self.user_id_changed? ? User.where(id: self.user_id_was).first.andand.uuid : self.user.andand.uuid
44 def owner_uuid_changed?
48 def modified_by_client_uuid
51 def modified_by_client_uuid=(x) end
53 def modified_by_user_uuid
56 def modified_by_user_uuid=(x) end
61 def modified_at=(x) end
63 def scopes_allow?(req_s)
64 scopes.each do |scope|
65 return true if (scope == 'all') or (scope == req_s) or
66 ((scope.end_with? '/') and (req_s.start_with? scope))
71 def scopes_allow_request?(request)
72 method = request.request_method
74 (scopes_allow?(['HEAD', request.path].join(' ')) ||
75 scopes_allow?(['GET', request.path].join(' ')))
77 scopes_allow?([method, request.path].join(' '))
82 super.except 'api_token'
85 def self.default_orders
86 ["#{table_name}.id desc"]
89 def self.remote_host(uuid_prefix:)
90 Rails.configuration.remote_hosts[uuid_prefix] ||
91 (Rails.configuration.remote_hosts_via_dns &&
92 uuid_prefix+".arvadosapi.com")
95 def self.validate(token:, remote: nil)
97 remote ||= Rails.configuration.uuid_prefix
101 _, uuid, secret, optional = token.split('/')
102 unless uuid.andand.length == 27 && secret.andand.length.andand > 0
107 # if "optional" is a container uuid, check that it
108 # matches expections.
109 c = Container.where(uuid: optional).first
111 if !c.auth_uuid.nil? and c.auth_uuid != uuid
112 # token doesn't match the container's token
115 if !c.runtime_token.nil? and "v2/#{uuid}/#{secret}" != c.runtime_token
116 # token doesn't match the container's token
119 if ![Container::Locked, Container::Running].include?(c.state)
120 # container isn't locked or running, token shouldn't be used
126 auth = ApiClientAuthorization.
127 includes(:user, :api_client).
128 where('uuid=? and (expires_at is null or expires_at > CURRENT_TIMESTAMP)', uuid).
130 if auth && auth.user &&
131 (secret == auth.api_token ||
132 secret == OpenSSL::HMAC.hexdigest('sha1', auth.api_token, remote))
136 uuid_prefix = uuid[0..4]
137 if uuid_prefix == Rails.configuration.uuid_prefix
138 # If the token were valid, we would have validated it above
140 elsif uuid_prefix.length != 5
145 host = remote_host(uuid_prefix: uuid_prefix)
147 Rails.logger.warn "remote authentication rejected: no host for #{uuid_prefix.inspect}"
151 # Token was issued by a different cluster. If it's expired or
152 # missing in our database, ask the originating cluster to
155 clnt = HTTPClient.new
156 if Rails.configuration.sso_insecure
157 clnt.ssl_config.verify_mode = OpenSSL::SSL::VERIFY_NONE
159 remote_user = SafeJSON.load(
160 clnt.get_content('https://' + host + '/arvados/v1/users/current',
161 {'remote' => Rails.configuration.uuid_prefix},
162 {'Authorization' => 'Bearer ' + token}))
164 Rails.logger.warn "remote authentication with token #{token.inspect} failed: #{e}"
167 if !remote_user.is_a?(Hash) || !remote_user['uuid'].is_a?(String) || remote_user['uuid'][0..4] != uuid[0..4]
168 Rails.logger.warn "remote authentication rejected: remote_user=#{remote_user.inspect}"
171 act_as_system_user do
172 # Add/update user and token in our database so we can
173 # validate subsequent requests faster.
175 user = User.find_or_create_by(uuid: remote_user['uuid']) do |user|
176 # (this block runs for the "create" case, not for "find")
177 user.is_admin = false
178 user.email = remote_user['email']
179 if remote_user['username'].andand.length.andand > 0
180 user.set_initial_username(requested: remote_user['username'])
184 if Rails.configuration.new_users_are_active ||
185 Rails.configuration.auto_activate_users_from.include?(remote_user['uuid'][0..4])
186 # Update is_active to whatever it is at the remote end
187 user.is_active = remote_user['is_active']
188 elsif !remote_user['is_active']
189 # Remote user is inactive; our mirror should be, too.
190 user.is_active = false
193 %w[first_name last_name email prefs].each do |attr|
194 user.send(attr+'=', remote_user[attr])
199 auth = ApiClientAuthorization.find_or_create_by(uuid: uuid) do |auth|
201 auth.api_token = secret
202 auth.api_client_id = 0
205 # Accept this token (and don't reload the user record) for
206 # 5 minutes. TODO: Request the actual api_client_auth
207 # record from the remote server in case it wants the token
209 auth.update_attributes!(user: user,
212 expires_at: Time.now + 5.minutes)
216 auth = ApiClientAuthorization.
217 includes(:user, :api_client).
218 where('api_token=? and (expires_at is null or expires_at > CURRENT_TIMESTAMP)', token).
236 'v2/' + uuid + '/' + api_token
241 def permission_to_create
242 current_user.andand.is_admin or (current_user.andand.id == self.user_id)
245 def permission_to_update
246 permission_to_create && !uuid_changed? &&
247 (current_user.andand.is_admin || !user_id_changed?)
251 super unless (changed - UNLOGGED_CHANGES).empty?