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text/gstr/gstr_domain.go
56 строк
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John Guo
improve ut case for package gcache/gpool (#2290)
12 ноя 2022, 05:49
Не верифицирован
12 ноя 2022, 05:49
7d1a508
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// Copyright GoFrame Author(https://goframe.org). All Rights Reserved. // // This Source Code Form is subject to the terms of the MIT License. // If a copy of the MIT was not distributed with this file, // You can obtain one at https://github.com/gogf/gf. package gstr import "strings" // IsSubDomain checks whether `subDomain` is sub-domain of mainDomain. // It supports '*' in `mainDomain`. func IsSubDomain(subDomain string, mainDomain string) bool { if p := strings.IndexByte(subDomain, ':'); p != -1 { subDomain = subDomain[0:p] } if p := strings.IndexByte(mainDomain, ':'); p != -1 { mainDomain = mainDomain[0:p] } var ( subArray = strings.Split(subDomain, ".") mainArray = strings.Split(mainDomain, ".") subLength = len(subArray) mainLength = len(mainArray) ) // Eg: // "goframe.org" is not sub-domain of "s.goframe.org". if mainLength > subLength { for i := range mainArray[0 : mainLength-subLength] { if mainArray[i] != "*" { return false } } } // Eg: // "s.s.goframe.org" is not sub-domain of "*.goframe.org" // but // "s.s.goframe.org" is sub-domain of "goframe.org" if mainLength > 2 && subLength > mainLength { return false } minLength := subLength if mainLength < minLength { minLength = mainLength } for i := minLength; i > 0; i-- { if mainArray[mainLength-i] == "*" { continue } if mainArray[mainLength-i] != subArray[subLength-i] { return false } } return true }