1 class Arvados::V1::ApiClientAuthorizationsController < ApplicationController
2 accept_attribute_as_json :scopes, Array
3 before_filter :current_api_client_is_trusted, :except => [:current]
4 before_filter :admin_required, :only => :create_system_auth
5 skip_before_filter :render_404_if_no_object, :only => [:create_system_auth, :current]
6 skip_before_filter :find_object_by_uuid, :only => [:create_system_auth, :current]
8 def self._create_system_auth_requires_parameters
10 api_client_id: {type: 'integer', required: false},
11 scopes: {type: 'array', required: false}
14 def create_system_auth
15 @object = ApiClientAuthorization.
16 new(user_id: system_user.id,
17 api_client_id: params[:api_client_id] || current_api_client.andand.id,
18 created_by_ip_address: remote_ip,
19 scopes: Oj.strict_load(params[:scopes] || '["all"]'))
25 # Note: the user could specify a owner_uuid for a different user, which on
26 # the surface appears to be a security hole. However, the record will be
27 # rejected before being saved to the database by the ApiClientAuthorization
28 # model which enforces that user_id == current user or the user is an
31 if resource_attrs[:owner_uuid]
32 # The model has an owner_id attribute instead of owner_uuid, but
33 # we can't expect the client to know the local numeric ID. We
34 # translate UUID to numeric ID here.
35 resource_attrs[:user_id] =
36 User.where(uuid: resource_attrs.delete(:owner_uuid)).first.andand.id
37 elsif not resource_attrs[:user_id]
38 resource_attrs[:user_id] = current_user.id
40 resource_attrs[:api_client_id] = Thread.current[:api_client].id
45 @object = Thread.current[:api_client_authorization]
52 ["#{table_name}.created_at desc"]
55 def find_objects_for_index
56 # Here we are deliberately less helpful about searching for client
57 # authorizations. We look up tokens belonging to the current user
58 # and filter by exact matches on uuid, api_token, and scopes.
61 wanted_scopes.concat(@filters.map { |attr, operator, operand|
62 ((attr == 'scopes') and (operator == '=')) ? operand : nil
64 @filters.select! { |attr, operator, operand|
65 operator == '=' && (attr == 'uuid' || attr == 'api_token')
69 wanted_scopes << @where['scopes']
70 @where.select! { |attr, val|
71 # "where":{"uuid":"zzzzz-zzzzz-zzzzzzzzzzzzzzz"} is OK but
72 # "where":{"api_client_id":1} is not supported
73 # "where":{"uuid":["contains","-"]} is not supported
74 # "where":{"uuid":["uuid1","uuid2","uuid3"]} is not supported
75 val.is_a?(String) && (attr == 'uuid' || attr == 'api_token')
78 @objects = model_class.where('user_id=?', current_user.id)
79 if wanted_scopes.compact.any?
80 # We can't filter on scopes effectively using AR/postgres.
81 # Instead we get the entire result set, do our own filtering on
82 # scopes to get a list of UUIDs, then start a new query
83 # (restricted to the selected UUIDs) so super can apply the
84 # offset/limit/order params in the usual way.
85 @request_limit = @limit
86 @request_offset = @offset
87 @limit = @objects.count
90 wanted_scopes.compact.each do |scope_list|
91 sorted_scopes = scope_list.sort
92 @objects = @objects.select { |auth| auth.scopes.sort == sorted_scopes }
94 @limit = @request_limit
95 @offset = @request_offset
96 @objects = model_class.where('uuid in (?)', @objects.collect(&:uuid))
101 def find_object_by_uuid
102 uuid_param = params[:uuid] || params[:id]
103 if (uuid_param != current_api_client_authorization.andand.uuid and
104 not Thread.current[:api_client].andand.is_trusted)
111 @filters = [['uuid', '=', uuid_param]]
112 find_objects_for_index
113 @object = @objects.first
116 def current_api_client_is_trusted
117 if Thread.current[:api_client].andand.is_trusted
120 # A non-trusted client can do a search for its own token if it
121 # explicitly restricts the search to its own UUID or api_token.
122 # Any other kind of query must return 403, even if it matches only
123 # the current token, because that's currently how Workbench knows
124 # (after searching on scopes) the difference between "the token
125 # I'm using now *is* the only sharing token for this collection"
126 # (403) and "my token is trusted, and there is one sharing token
127 # for this collection" (200).
129 # The @filters test here also prevents a non-trusted token from
130 # filtering on its own scopes, and discovering whether any _other_
131 # equally scoped tokens exist (403=yes, 200=no).
132 return forbidden if !@objects
133 full_set = @objects.except(:limit).except(:offset) if @objects
134 if (full_set.count == 1 and
135 full_set.first.uuid == current_api_client_authorization.andand.uuid and
136 (@filters.map(&:first) & %w(uuid api_token)).any?)
143 send_error('Forbidden: this API client cannot manipulate other clients\' access tokens.',