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validations.go
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validations.go
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// Copyright © 2022 Kaleido, Inc.
//
// SPDX-License-Identifier: Apache-2.0
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package fftypes
import (
"context"
"regexp"
"github.com/hyperledger/firefly-common/pkg/i18n"
)
var (
ffNameValidator = regexp.MustCompile(`^[0-9a-zA-Z]([0-9a-zA-Z._-]{0,62}[0-9a-zA-Z])?$`)
ffSafeCharsValidator = regexp.MustCompile(`^[0-9a-zA-Z._-]*$`)
)
func ValidateSafeCharsOnly(ctx context.Context, str string, fieldName string) error {
if !ffSafeCharsValidator.MatchString(str) {
return i18n.NewError(ctx, i18n.MsgSafeCharsOnly, fieldName)
}
return nil
}
func ValidateFFNameField(ctx context.Context, str string, fieldName string) error {
if !ffNameValidator.MatchString(str) {
return i18n.NewError(ctx, i18n.MsgInvalidName, fieldName)
}
return nil
}
func ValidateFFNameFieldNoUUID(ctx context.Context, str string, fieldName string) error {
if _, err := ParseUUID(ctx, str); err == nil {
// Name must not be a UUID
return i18n.NewError(ctx, i18n.MsgNoUUID, fieldName)
}
return ValidateFFNameField(ctx, str, fieldName)
}
func ValidateLength(ctx context.Context, str string, fieldName string, max int) error {
if len([]byte(str)) > max {
return i18n.NewError(ctx, i18n.MsgFieldTooLong, fieldName, max)
}
return nil
}