1 # Copyright (C) The Arvados Authors. All rights reserved.
3 # SPDX-License-Identifier: AGPL-3.0
7 class Arvados::V1::ApiClientAuthorizationsController < ApplicationController
8 accept_attribute_as_json :scopes, Array
9 before_filter :current_api_client_is_trusted, :except => [:current]
10 before_filter :admin_required, :only => :create_system_auth
11 skip_before_filter :render_404_if_no_object, :only => [:create_system_auth, :current]
12 skip_before_filter :find_object_by_uuid, :only => [:create_system_auth, :current]
14 def self._create_system_auth_requires_parameters
16 api_client_id: {type: 'integer', required: false},
17 scopes: {type: 'array', required: false}
20 def create_system_auth
21 @object = ApiClientAuthorization.
22 new(user_id: system_user.id,
23 api_client_id: params[:api_client_id] || current_api_client.andand.id,
24 created_by_ip_address: remote_ip,
25 scopes: SafeJSON.load(params[:scopes] || '["all"]'))
31 # Note: the user could specify a owner_uuid for a different user, which on
32 # the surface appears to be a security hole. However, the record will be
33 # rejected before being saved to the database by the ApiClientAuthorization
34 # model which enforces that user_id == current user or the user is an
37 if resource_attrs[:owner_uuid]
38 # The model has an owner_id attribute instead of owner_uuid, but
39 # we can't expect the client to know the local numeric ID. We
40 # translate UUID to numeric ID here.
41 resource_attrs[:user_id] =
42 User.where(uuid: resource_attrs.delete(:owner_uuid)).first.andand.id
43 elsif not resource_attrs[:user_id]
44 resource_attrs[:user_id] = current_user.id
46 resource_attrs[:api_client_id] = Thread.current[:api_client].id
51 @object = Thread.current[:api_client_authorization]
58 ["#{table_name}.created_at desc"]
61 def find_objects_for_index
62 # Here we are deliberately less helpful about searching for client
63 # authorizations. We look up tokens belonging to the current user
64 # and filter by exact matches on uuid, api_token, and scopes.
67 wanted_scopes.concat(@filters.map { |attr, operator, operand|
68 ((attr == 'scopes') and (operator == '=')) ? operand : nil
70 @filters.select! { |attr, operator, operand|
71 operator == '=' && (attr == 'uuid' || attr == 'api_token')
75 wanted_scopes << @where['scopes']
76 @where.select! { |attr, val|
77 # "where":{"uuid":"zzzzz-zzzzz-zzzzzzzzzzzzzzz"} is OK but
78 # "where":{"api_client_id":1} is not supported
79 # "where":{"uuid":["contains","-"]} is not supported
80 # "where":{"uuid":["uuid1","uuid2","uuid3"]} is not supported
81 val.is_a?(String) && (attr == 'uuid' || attr == 'api_token')
84 @objects = model_class.where('user_id=?', current_user.id)
85 if wanted_scopes.compact.any?
86 # We can't filter on scopes effectively using AR/postgres.
87 # Instead we get the entire result set, do our own filtering on
88 # scopes to get a list of UUIDs, then start a new query
89 # (restricted to the selected UUIDs) so super can apply the
90 # offset/limit/order params in the usual way.
91 @request_limit = @limit
92 @request_offset = @offset
93 @limit = @objects.count
96 wanted_scopes.compact.each do |scope_list|
97 if @objects.respond_to?(:where) && scope_list.length < 2
99 where('scopes in (?)',
100 [scope_list.to_yaml, SafeJSON.dump(scope_list)])
102 if @objects.respond_to?(:where)
103 # Eliminate rows with scopes=['all'] before doing the
104 # expensive filter. They are typically the majority of
105 # rows, and they obviously won't match given
106 # scope_list.length>=2, so loading them all into
107 # ActiveRecord objects is a huge waste of time.
109 where('scopes not in (?)',
110 [['all'].to_yaml, SafeJSON.dump(['all'])])
112 sorted_scopes = scope_list.sort
113 @objects = @objects.select { |auth| auth.scopes.sort == sorted_scopes }
116 @limit = @request_limit
117 @offset = @request_offset
118 @objects = model_class.where('uuid in (?)', @objects.collect(&:uuid))
123 def find_object_by_uuid
124 uuid_param = params[:uuid] || params[:id]
125 if (uuid_param != current_api_client_authorization.andand.uuid and
126 not Thread.current[:api_client].andand.is_trusted)
133 @filters = [['uuid', '=', uuid_param]]
134 find_objects_for_index
135 @object = @objects.first
138 def current_api_client_is_trusted
139 if Thread.current[:api_client].andand.is_trusted
142 # A non-trusted client can do a search for its own token if it
143 # explicitly restricts the search to its own UUID or api_token.
144 # Any other kind of query must return 403, even if it matches only
145 # the current token, because that's currently how Workbench knows
146 # (after searching on scopes) the difference between "the token
147 # I'm using now *is* the only sharing token for this collection"
148 # (403) and "my token is trusted, and there is one sharing token
149 # for this collection" (200).
151 # The @filters test here also prevents a non-trusted token from
152 # filtering on its own scopes, and discovering whether any _other_
153 # equally scoped tokens exist (403=yes, 200=no).
154 return forbidden if !@objects
155 full_set = @objects.except(:limit).except(:offset) if @objects
156 if (full_set.count == 1 and
157 full_set.first.uuid == current_api_client_authorization.andand.uuid and
158 (@filters.map(&:first) & %w(uuid api_token)).any?)
165 send_error('Forbidden: this API client cannot manipulate other clients\' access tokens.',