1// Copyright (c) 2015-2021 MinIO, Inc. 2// 3// This file is part of MinIO Object Storage stack 4// 5// This program is free software: you can redistribute it and/or modify 6// it under the terms of the GNU Affero General Public License as published by 7// the Free Software Foundation, either version 3 of the License, or 8// (at your option) any later version. 9// 10// This program is distributed in the hope that it will be useful 11// but WITHOUT ANY WARRANTY; without even the implied warranty of 12// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13// GNU Affero General Public License for more details. 14// 15// You should have received a copy of the GNU Affero General Public License 16// along with this program. If not, see <http://www.gnu.org/licenses/>. 17 18package cmd 19 20import "strings" 21 22var validAPIs = []string{"S3v4", "S3v2"} 23 24const ( 25 accessKeyMinLen = 3 26 secretKeyMinLen = 8 27) 28 29// isValidAccessKey - validate access key for right length. 30func isValidAccessKey(accessKey string) bool { 31 if accessKey == "" { 32 return true 33 } 34 return len(accessKey) >= accessKeyMinLen 35} 36 37// isValidSecretKey - validate secret key for right length. 38func isValidSecretKey(secretKey string) bool { 39 if secretKey == "" { 40 return true 41 } 42 return len(secretKey) >= secretKeyMinLen 43} 44 45// trimTrailingSeparator - Remove trailing separator. 46func trimTrailingSeparator(hostURL string) string { 47 separator := string(newClientURL(hostURL).Separator) 48 return strings.TrimSuffix(hostURL, separator) 49} 50 51// isValidHostURL - validate input host url. 52func isValidHostURL(hostURL string) (ok bool) { 53 if strings.TrimSpace(hostURL) != "" { 54 url := newClientURL(hostURL) 55 if url.Scheme == "https" || url.Scheme == "http" { 56 if url.Path == "/" { 57 ok = true 58 } 59 } 60 } 61 return ok 62} 63 64// isValidAPI - Validates if API signature string of supported type. 65func isValidAPI(api string) (ok bool) { 66 switch strings.ToLower(api) { 67 case "s3v2", "s3v4": 68 ok = true 69 } 70 return ok 71} 72 73// isValidLookup - validates if bucket lookup is of valid type 74func isValidLookup(lookup string) (ok bool) { 75 l := strings.ToLower(strings.TrimSpace(lookup)) 76 for _, v := range []string{"dns", "path", "auto"} { 77 if l == v { 78 return true 79 } 80 } 81 return false 82} 83 84// isValidPath - validates the alias path config 85func isValidPath(path string) (ok bool) { 86 l := strings.ToLower(strings.TrimSpace(path)) 87 for _, v := range []string{"on", "off", "auto"} { 88 if l == v { 89 return true 90 } 91 } 92 return false 93} 94