X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/e2cd53d9007d56e1de4816f6aeab4bd769271162..88db3aa0503453f4894f80fcbcaca3ab64aa4abb:/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 0e95042f68..4a345f363b 100644
--- a/services/api/app/controllers/arvados/v1/users_controller.rb
+++ b/services/api/app/controllers/arvados/v1/users_controller.rb
@@ -1,11 +1,15 @@
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
 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]
+  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
@@ -64,36 +68,19 @@ class Arvados::V1::UsersController < ApplicationController
 
   # create user object and all the needed links
   def setup
-    @object = nil
     if params[:uuid]
-      @object = User.find_by_uuid params[:uuid]
+      @object = User.find_by_uuid(params[:uuid])
       if !@object
         return render_404_if_no_object
       end
-      object_found = true
+    elsif !params[:user] || params[:user].empty?
+      raise ArgumentError.new "Required uuid or user"
+    elsif !params[:user]['email']
+      raise ArgumentError.new "Require user email"
+    elsif !params[:openid_prefix]
+      raise ArgumentError.new "Required openid_prefix parameter is missing."
     else
-      if !params[:user]
-        raise ArgumentError.new "Required uuid or user"
-      else
-        if params[:user]['uuid']
-          @object = User.find_by_uuid params[:user]['uuid']
-          if @object
-            object_found = true
-          end
-        end
-
-        if !@object
-          if !params[:user]['email']
-            raise ArgumentError.new "Require user email"
-          end
-
-          if !params[:openid_prefix]
-            raise ArgumentError.new "Required openid_prefix parameter is missing."
-          end
-
-          @object = model_class.create! resource_attrs
-        end
-      end
+      @object = model_class.create! resource_attrs
     end
 
     # It's not always possible for the client to know the user's
@@ -106,8 +93,7 @@ class Arvados::V1::UsersController < ApplicationController
     elsif @object.username.nil?
       raise ArgumentError.
         new("cannot setup a repository because user has no username")
-    elsif object_found and
-        params[:repo_name].start_with?("#{@object.username}/")
+    elsif params[:repo_name].index("/")
       full_repo_name = params[:repo_name]
     else
       full_repo_name = "#{@object.username}/#{params[:repo_name]}"
@@ -132,8 +118,101 @@ class Arvados::V1::UsersController < ApplicationController
     show
   end
 
+  # Change UUID to a new (unused) uuid and transfer all owned/linked
+  # objects accordingly.
+  def update_uuid
+    @object.update_uuid(new_uuid: params[:new_uuid])
+    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
+
+    if !redirect
+      return send_error("merge with redirect_to_new_user=false is not yet supported", status: 422)
+    end
+
+    act_as_system_user do
+      @object.merge(new_owner_uuid: params[:new_owner_uuid], redirect_to_user_uuid: redirect && new_user.uuid)
+    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: {
@@ -154,11 +233,19 @@ class Arvados::V1::UsersController < ApplicationController
     }
   end
 
+  def self._update_uuid_requires_parameters
+    {
+      new_uuid: {
+        type: 'string', required: true,
+      },
+    }
+  end
+
   def apply_filters(model_class=nil)
     return super if @read_users.any?(&:is_admin)
     if params[:uuid] != current_user.andand.uuid
       # Non-admin index/show returns very basic information about readable users.
-      safe_attrs = ["uuid", "is_active", "email", "first_name", "last_name"]
+      safe_attrs = ["uuid", "is_active", "email", "first_name", "last_name", "username"]
       if @select
         @select = @select & safe_attrs
       else