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82 lines
2.4 KiB
82 lines
2.4 KiB
/*
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* Minio Cloud Storage, (C) 2015 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package main
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import (
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"crypto/rand"
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"encoding/base64"
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"regexp"
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"github.com/minio/minio/pkg/probe"
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)
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const (
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minioAccessID = 20
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minioSecretID = 40
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)
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// isValidAccessKey - validate access key
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func isValidAccessKey(accessKeyID string) bool {
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if accessKeyID == "" {
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return true
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}
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regex := regexp.MustCompile("^[A-Z0-9\\-\\.\\_\\~]{20}$")
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return regex.MatchString(accessKeyID)
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}
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// isValidSecretKey - validate secret key
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func isValidSecretKey(secretKeyID string) bool {
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regex := regexp.MustCompile("^.{40}$")
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return regex.MatchString(secretKeyID)
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}
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// generateAccessKeyID - generate random alpha numeric value using only uppercase characters
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// takes input as size in integer
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func generateAccessKeyID() ([]byte, *probe.Error) {
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alpha := make([]byte, minioAccessID)
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if _, e := rand.Read(alpha); e != nil {
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return nil, probe.NewError(e)
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}
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for i := 0; i < minioAccessID; i++ {
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alpha[i] = alphaNumericTable[alpha[i]%byte(len(alphaNumericTable))]
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}
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return alpha, nil
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}
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// generateSecretAccessKey - generate random base64 numeric value from a random seed.
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func generateSecretAccessKey() ([]byte, *probe.Error) {
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rb := make([]byte, minioSecretID)
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if _, e := rand.Read(rb); e != nil {
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return nil, probe.NewError(e)
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}
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return []byte(base64.StdEncoding.EncodeToString(rb))[:minioSecretID], nil
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}
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// mustGenerateAccessKeyID - must generate random alpha numeric value using only uppercase characters
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// takes input as size in integer
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func mustGenerateAccessKeyID() []byte {
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alpha, err := generateAccessKeyID()
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fatalIf(err.Trace(), "Unable to generate accessKeyID.", nil)
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return alpha
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}
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// mustGenerateSecretAccessKey - generate random base64 numeric value from a random seed.
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func mustGenerateSecretAccessKey() []byte {
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secretKey, err := generateSecretAccessKey()
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fatalIf(err.Trace(), "Unable to generate secretAccessKey.", nil)
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return secretKey
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}
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