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 # Delete token, if remote, attempt to delete on the host as well.
97 uuid_prefix = self.uuid[0..4]
98 if uuid_prefix != Rails.configuration.uuid_prefix
100 host = remote_host(uuid_prefix: uuid_prefix)
102 clnt = HTTPClient.new
103 if Rails.configuration.sso_insecure
104 clnt.ssl_config.verify_mode = OpenSSL::SSL::VERIFY_NONE
106 result = SafeJSON.load(
107 clnt.delete('https://' + host + '/arvados/v1/users/current',
108 {'Authorization' => 'Bearer ' + token}))
110 Rails.logger.warn "deleting remote token #{self.uuid} failed: #{e}"
116 def self.validate(token:, remote: nil)
118 remote ||= Rails.configuration.uuid_prefix
122 _, uuid, secret = token.split('/')
123 unless uuid.andand.length == 27 && secret.andand.length.andand > 0
127 auth = ApiClientAuthorization.
128 includes(:user, :api_client).
129 where('uuid=? and (expires_at is null or expires_at > CURRENT_TIMESTAMP)', uuid).
131 if auth && auth.user &&
132 (secret == auth.api_token ||
133 secret == OpenSSL::HMAC.hexdigest('sha1', auth.api_token, remote))
137 uuid_prefix = uuid[0..4]
138 if uuid_prefix == Rails.configuration.uuid_prefix
139 # If the token were valid, we would have validated it above
141 elsif uuid_prefix.length != 5
146 host = remote_host(uuid_prefix: uuid_prefix)
148 Rails.logger.warn "remote authentication rejected: no host for #{uuid_prefix.inspect}"
152 # Token was issued by a different cluster. If it's expired or
153 # missing in our database, ask the originating cluster to
156 clnt = HTTPClient.new
157 if Rails.configuration.sso_insecure
158 clnt.ssl_config.verify_mode = OpenSSL::SSL::VERIFY_NONE
160 remote_user = SafeJSON.load(
161 clnt.get_content('https://' + host + '/arvados/v1/users/current',
162 {'remote' => Rails.configuration.uuid_prefix},
163 {'Authorization' => 'Bearer ' + token}))
165 Rails.logger.warn "remote authentication with token #{token.inspect} failed: #{e}"
168 if !remote_user.is_a?(Hash) || !remote_user['uuid'].is_a?(String) || remote_user['uuid'][0..4] != uuid[0..4]
169 Rails.logger.warn "remote authentication rejected: remote_user=#{remote_user.inspect}"
172 act_as_system_user do
173 # Add/update user and token in our database so we can
174 # validate subsequent requests faster.
176 user = User.find_or_create_by(uuid: remote_user['uuid']) do |user|
177 # (this block runs for the "create" case, not for "find")
178 user.is_admin = false
179 user.email = remote_user['email']
180 if remote_user['username'].andand.length.andand > 0
181 user.set_initial_username(requested: remote_user['username'])
185 if Rails.configuration.new_users_are_active ||
186 Rails.configuration.auto_activate_users_from.include?(remote_user['uuid'][0..4])
187 # Update is_active to whatever it is at the remote end
188 user.is_active = remote_user['is_active']
189 elsif !remote_user['is_active']
190 # Remote user is inactive; our mirror should be, too.
191 user.is_active = false
194 %w[first_name last_name email prefs].each do |attr|
195 user.send(attr+'=', remote_user[attr])
200 auth = ApiClientAuthorization.find_or_create_by(uuid: uuid) do |auth|
202 auth.api_token = secret
203 auth.api_client_id = 0
206 # Accept this token (and don't reload the user record) for
207 # 5 minutes. TODO: Request the actual api_client_auth
208 # record from the remote server in case it wants the token
210 auth.update_attributes!(user: user,
213 expires_at: Time.now + 5.minutes)
217 auth = ApiClientAuthorization.
218 includes(:user, :api_client).
219 where('api_token=? and (expires_at is null or expires_at > CURRENT_TIMESTAMP)', token).
237 'v2/' + uuid + '/' + api_token
242 def permission_to_create
243 current_user.andand.is_admin or (current_user.andand.id == self.user_id)
246 def permission_to_update
247 permission_to_create && !uuid_changed? &&
248 (current_user.andand.is_admin || !user_id_changed?)
252 super unless (changed - UNLOGGED_CHANGES).empty?