github.com/zntrio/harp/v2@v2.0.9/pkg/vault/path/helpers.go (about)

     1  // Licensed to Elasticsearch B.V. under one or more contributor
     2  // license agreements. See the NOTICE file distributed with
     3  // this work for additional information regarding copyright
     4  // ownership. Elasticsearch B.V. licenses this file to you under
     5  // the Apache License, Version 2.0 (the "License"); you may
     6  // 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,
    12  // software distributed under the License is distributed on an
    13  // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    14  // KIND, either express or implied.  See the License for the
    15  // specific language governing permissions and limitations
    16  // under the License.
    17  
    18  package path
    19  
    20  import (
    21  	"path"
    22  	"strings"
    23  )
    24  
    25  // SanitizePath removes any leading or trailing things from a "path".
    26  func SanitizePath(s string) string {
    27  	return ensureNoTrailingSlash(ensureNoLeadingSlash(strings.TrimSpace(s)))
    28  }
    29  
    30  // AddPrefixToVKVPath add an apiPrefix accoding to mount path.
    31  func AddPrefixToVKVPath(p, mountPath, apiPrefix string) string {
    32  	switch {
    33  	case p == mountPath, p == strings.TrimSuffix(mountPath, "/"):
    34  		return path.Join(mountPath, apiPrefix)
    35  	default:
    36  		p = strings.TrimPrefix(p, mountPath)
    37  		return path.Join(mountPath, apiPrefix, p)
    38  	}
    39  }
    40  
    41  // -----------------------------------------------------------------------------
    42  
    43  // ensureNoTrailingSlash ensures the given string has a trailing slash.
    44  func ensureNoTrailingSlash(s string) string {
    45  	s = strings.TrimSpace(s)
    46  	if s == "" {
    47  		return ""
    48  	}
    49  
    50  	for len(s) > 0 && s[len(s)-1] == '/' {
    51  		s = s[:len(s)-1]
    52  	}
    53  	return s
    54  }
    55  
    56  // ensureNoLeadingSlash ensures the given string has a trailing slash.
    57  func ensureNoLeadingSlash(s string) string {
    58  	s = strings.TrimSpace(s)
    59  	if s == "" {
    60  		return ""
    61  	}
    62  
    63  	for len(s) > 0 && s[0] == '/' {
    64  		s = s[1:]
    65  	}
    66  	return s
    67  }