15531: Implement merge with redirect_to_new_user=false

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

diff --git a/services/api/app/controllers/arvados/v1/users_controller.rb b/services/api/app/controllers/arvados/v1/users_controller.rb
index 587f4db280f89d2212775a0791dc105b54c2838a..0ef129481492c9aad9ba06114b2ad12304e2cffd 100644 (file)
--- a/services/api/app/controllers/arvados/v1/users_controller.rb
+++ b/services/api/app/controllers/arvados/v1/users_controller.rb
@@ -5,11 +5,11 @@
 class Arvados::V1::UsersController < ApplicationController
   accept_attribute_as_json :prefs, Hash
 
-  skip_before_filter :find_object_by_uuid, only:
-    [:activate, :current, :system, :setup]
-  skip_before_filter :render_404_if_no_object, only:
-    [:activate, :current, :system, :setup]
-  before_filter :admin_required, only: [:setup, :unsetup, :update_uuid]
+  skip_before_action :find_object_by_uuid, only:
+    [:activate, :current, :system, :setup, :merge]
+  skip_before_action :render_404_if_no_object, only:
+    [:activate, :current, :system, :setup, :merge]
+  before_action :admin_required, only: [:setup, :unsetup, :update_uuid]
 
   def current
     if current_user
@@ -73,7 +73,7 @@ class Arvados::V1::UsersController < ApplicationController
       if !@object
         return render_404_if_no_object
       end
-    elsif !params[:user]
+    elsif !params[:user] || params[:user].empty?
       raise ArgumentError.new "Required uuid or user"
     elsif !params[:user]['email']
       raise ArgumentError.new "Require user email"
@@ -125,8 +125,92 @@ class Arvados::V1::UsersController < ApplicationController
     show
   end
 
+  def merge
+    if (params[:old_user_uuid] || params[:new_user_uuid])
+      if !current_user.andand.is_admin
+        return send_error("Must be admin to use old_user_uuid/new_user_uuid", status: 403)
+      end
+      if !params[:old_user_uuid] || !params[:new_user_uuid]
+        return send_error("Must supply both old_user_uuid and new_user_uuid", status: 422)
+      end
+      new_user = User.find_by_uuid(params[:new_user_uuid])
+      if !new_user
+        return send_error("User in new_user_uuid not found", status: 422)
+      end
+      @object = User.find_by_uuid(params[:old_user_uuid])
+      if !@object
+        return send_error("User in old_user_uuid not found", status: 422)
+      end
+    else
+      if !Thread.current[:api_client].andand.is_trusted
+        return send_error("supplied API token is not from a trusted client", status: 403)
+      elsif Thread.current[:api_client_authorization].scopes != ['all']
+        return send_error("cannot merge with a scoped token", status: 403)
+      end
+
+      new_auth = ApiClientAuthorization.validate(token: params[:new_user_token])
+      if !new_auth
+        return send_error("invalid new_user_token", status: 401)
+      end
+
+      if new_auth.user.uuid[0..4] == Rails.configuration.ClusterID
+        if !new_auth.api_client.andand.is_trusted
+          return send_error("supplied new_user_token is not from a trusted client", status: 403)
+        elsif new_auth.scopes != ['all']
+          return send_error("supplied new_user_token has restricted scope", status: 403)
+        end
+      end
+      new_user = new_auth.user
+      @object = current_user
+    end
+
+    if @object.uuid == new_user.uuid
+      return send_error("cannot merge user to self", status: 422)
+    end
+
+    if !params[:new_owner_uuid]
+      return send_error("missing new_owner_uuid", status: 422)
+    end
+
+    if !new_user.can?(write: params[:new_owner_uuid])
+      return send_error("cannot move objects into supplied new_owner_uuid: new user does not have write permission", status: 403)
+    end
+
+    redirect = params[:redirect_to_new_user]
+    if @object.uuid[0..4] != Rails.configuration.ClusterID && redirect
+      return send_error("cannot merge remote user to other with redirect_to_new_user=true", status: 422)
+    end
+
+    act_as_system_user do
+      @object.merge(new_owner_uuid: params[:new_owner_uuid],
+                    redirect_to_user_uuid: new_user.uuid,
+                    redirect_auth: redirect)
+    end
+    show
+  end
+
   protected
 
+  def self._merge_requires_parameters
+    {
+      new_owner_uuid: {
+        type: 'string', required: true,
+      },
+      new_user_token: {
+        type: 'string', required: false,
+      },
+      redirect_to_new_user: {
+        type: 'boolean', required: false,
+      },
+      old_user_uuid: {
+        type: 'string', required: false,
+      },
+      new_user_uuid: {
+        type: 'string', required: false,
+      }
+    }
+  end
+
   def self._setup_requires_parameters
     {
       user: {