Merge branch '8015-crunch2-mount' closes #8015

[arvados.git] / services / api / app / controllers / arvados / v1 / api_client_authorizations_controller.rb

diff --git a/services/api/app/controllers/arvados/v1/api_client_authorizations_controller.rb b/services/api/app/controllers/arvados/v1/api_client_authorizations_controller.rb
index 8fd915ddfbf48d8b3a336d47e58257147f3c6899..2eb79c090dcd69a4e6e4d4157b0ea0f0d2de5afc 100644 (file)
--- a/services/api/app/controllers/arvados/v1/api_client_authorizations_controller.rb
+++ b/services/api/app/controllers/arvados/v1/api_client_authorizations_controller.rb
@@ -21,12 +21,20 @@ class Arvados::V1::ApiClientAuthorizationsController < ApplicationController
   end
 
   def create
+    # Note: the user could specify a owner_uuid for a different user, which on
+    # the surface appears to be a security hole.  However, the record will be
+    # rejected before being saved to the database by the ApiClientAuthorization
+    # model which enforces that user_id == current user or the user is an
+    # admin.
+
     if resource_attrs[:owner_uuid]
       # The model has an owner_id attribute instead of owner_uuid, but
       # we can't expect the client to know the local numeric ID. We
       # translate UUID to numeric ID here.
       resource_attrs[:user_id] =
         User.where(uuid: resource_attrs.delete(:owner_uuid)).first.andand.id
+    elsif not resource_attrs[:user_id]
+      resource_attrs[:user_id] = current_user.id
     end
     resource_attrs[:api_client_id] = Thread.current[:api_client].id
     super
@@ -34,29 +42,57 @@ class Arvados::V1::ApiClientAuthorizationsController < ApplicationController
 
   protected
 
+  def default_orders
+    ["#{table_name}.created_at desc"]
+  end
+
   def find_objects_for_index
     # Here we are deliberately less helpful about searching for client
-    # authorizations. Rather than use the generic index/where/order
-    # features, we look up tokens belonging to the current user and
-    # filter by exact match on api_token (which we expect in the form
-    # of a where[uuid] parameter to make things easier for API client
-    # libraries).
+    # authorizations.  We look up tokens belonging to the current user
+    # and filter by exact matches on api_token and scopes.
+    wanted_scopes = []
+    if @filters
+      wanted_scopes.concat(@filters.map { |attr, operator, operand|
+        ((attr == 'scopes') and (operator == '=')) ? operand : nil
+      })
+      @filters.select! { |attr, operator, operand|
+        ((attr == 'uuid') and (operator == '=')) || ((attr == 'api_token') and (operator == '='))
+      }
+    end
+    if @where
+      wanted_scopes << @where['scopes']
+      @where.select! { |attr, val| attr == 'uuid' }
+    end
     @objects = model_class.
       includes(:user, :api_client).
-      where('user_id=? and (? or api_token=?)', current_user.id, !@where['uuid'], @where['uuid']).
-      order('created_at desc')
+      where('user_id=?', current_user.id)
+    super
+    wanted_scopes.compact.each do |scope_list|
+      sorted_scopes = scope_list.sort
+      @objects = @objects.select { |auth| auth.scopes.sort == sorted_scopes }
+    end
   end
 
   def find_object_by_uuid
-    # Again, to make things easier for the client and our own routing,
-    # here we look for the api_token key in a "uuid" (POST) or "id"
-    # (GET) parameter.
-    @object = model_class.where('api_token=?', params[:uuid] || params[:id]).first
+    @object = model_class.where(uuid: (params[:uuid] || params[:id])).first
   end
 
   def current_api_client_is_trusted
     unless Thread.current[:api_client].andand.is_trusted
-      render :json => { errors: ['Forbidden: this API client cannot manipulate other clients\' access tokens.'] }.to_json, status: 403
+      if params["action"] == "show"
+        if @object and @object['api_token'] == current_api_client_authorization.andand.api_token
+          return true
+        end
+      elsif params["action"] == "index" and @objects.andand.size == 1
+        filters = @filters.map{|f|f.first}.uniq
+        if ['uuid'] == filters
+          return true if @objects.first['api_token'] == current_api_client_authorization.andand.api_token
+        elsif ['api_token'] == filters
+          return true if @objects.first[:user_id] = current_user.id
+        end
+      end
+      send_error('Forbidden: this API client cannot manipulate other clients\' access tokens.',
+                 status: 403)
     end
   end
 end