Allow any user id format

The user id / account UUID should allow any format as in some cases a regular user name
could be used there.

pkg/proto/v0/settings.pb.micro_test.go

@@ -1173,42 +1173,6 @@ func TestSaveGetListSettingsValues(t *testing.T) {
 				Status: "Internal Server Error",
 			},
 		},
-		{
-			testDataName: "../ in account uuid",
-			SettingsValue: proto.SettingsValue{
-				Identifier: &proto.Identifier{
-					Extension:   "great-extension",
-					BundleKey:   "bobs-bundle",
-					AccountUuid: "../123e4567-e89b-12d3-a456-426652340000",
-					SettingKey:  "should-not-be-possible",
-				},
-				Value: &proto.SettingsValue_BoolValue{BoolValue: false},
-			},
-			expectedError: CustomError{
-				ID:     "go.micro.client",
-				Code:   500,
-				Detail: "account_uuid: must be a valid UUID.",
-				Status: "Internal Server Error",
-			},
-		},
-		{
-			testDataName: "\\ in fields that are used to create folder and file names",
-			SettingsValue: proto.SettingsValue{
-				Identifier: &proto.Identifier{
-					Extension:   "\\-extension",
-					BundleKey:   "\\-bundle",
-					AccountUuid: "\\123e4567-e89b-12d3-a456-426652340000",
-					SettingKey:  "should-not-be-possible",
-				},
-				Value: &proto.SettingsValue_BoolValue{BoolValue: false},
-			},
-			expectedError: CustomError{
-				ID:     "go.micro.client",
-				Code:   500,
-				Detail: "account_uuid: must be a valid UUID; bundle_key: must be in a valid format; extension: must be in a valid format.",
-				Status: "Internal Server Error",
-			},
-		},
 	}
 	client := service.Client()
 	cl := proto.NewValueService("com.owncloud.api.settings", client)