github.com/kaleido-io/firefly@v0.0.0-20210622132723-8b4b6aacb971/pkg/fftypes/validations.go (about)

     1  // Copyright © 2021 Kaleido, Inc.
     2  //
     3  // SPDX-License-Identifier: Apache-2.0
     4  //
     5  // Licensed under the Apache License, Version 2.0 (the "License");
     6  // you may not use this file except in compliance with the License.
     7  // You may obtain a copy of the License at
     8  //
     9  //     http://www.apache.org/licenses/LICENSE-2.0
    10  //
    11  // Unless required by applicable law or agreed to in writing, software
    12  // distributed under the License is distributed on an "AS IS" BASIS,
    13  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14  // See the License for the specific language governing permissions and
    15  // limitations under the License.
    16  
    17  package fftypes
    18  
    19  import (
    20  	"context"
    21  	"regexp"
    22  
    23  	"github.com/kaleido-io/firefly/internal/i18n"
    24  )
    25  
    26  var (
    27  	ffNameValidator = regexp.MustCompile(`^[0-9a-zA-Z]([0-9a-zA-Z._-]{0,62}[0-9a-zA-Z])?$`)
    28  )
    29  
    30  func ValidateFFNameField(ctx context.Context, str string, fieldName string) error {
    31  	if !ffNameValidator.MatchString(str) {
    32  		return i18n.NewError(ctx, i18n.MsgInvalidName, fieldName)
    33  	}
    34  	return nil
    35  }
    36  
    37  func ValidateLength(ctx context.Context, str string, fieldName string, max int) error {
    38  	if len([]byte(str)) > max {
    39  		return i18n.NewError(ctx, i18n.MsgFieldTooLong, fieldName, max)
    40  	}
    41  	return nil
    42  }