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Merge pull request #518 from dims/copy-minimum-we-need-from-asaskevic…
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…h/govalidator-and-drop-the-dependency

Strip/Freeze code from asaskevich/govalidator and drop dependency
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k8s-ci-robot authored Dec 12, 2024
2 parents 5ad02ce + f1ff53c commit 2c72e55
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1 change: 0 additions & 1 deletion go.mod
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require (
github.com/NYTimes/gziphandler v1.1.1
github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a
github.com/emicklei/go-restful/v3 v3.11.0
github.com/go-openapi/jsonreference v0.20.1
github.com/go-openapi/swag v0.23.0
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2 changes: 0 additions & 2 deletions go.sum
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github.com/NYTimes/gziphandler v1.1.1 h1:ZUDjpQae29j0ryrS0u/B8HZfJBtBQHjqw2rQ2cqUQ3I=
github.com/NYTimes/gziphandler v1.1.1/go.mod h1:n/CVRwUEOgIxrgPvAQhUUr9oeUtvrhMomdKFjzJNB0c=
github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a h1:idn718Q4B6AGu/h5Sxe66HYVdqdGu2l9Iebqhi/AEoA=
github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
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21 changes: 21 additions & 0 deletions pkg/internal/third_party/govalidator/LICENSE
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The MIT License (MIT)

Copyright (c) 2014 Alex Saskevich

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
26 changes: 26 additions & 0 deletions pkg/internal/third_party/govalidator/patterns.go
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package govalidator

import "regexp"

// Basic regular expressions for validating strings
const (
CreditCard string = "^(?:4[0-9]{12}(?:[0-9]{3})?|5[1-5][0-9]{14}|6(?:011|5[0-9][0-9])[0-9]{12}|3[47][0-9]{13}|3(?:0[0-5]|[68][0-9])[0-9]{11}|(?:2131|1800|35\\d{3})\\d{11})$"
ISBN10 string = "^(?:[0-9]{9}X|[0-9]{10})$"
ISBN13 string = "^(?:[0-9]{13})$"
Hexcolor string = "^#?([0-9a-fA-F]{3}|[0-9a-fA-F]{6})$"
RGBcolor string = "^rgb\\(\\s*(0|[1-9]\\d?|1\\d\\d?|2[0-4]\\d|25[0-5])\\s*,\\s*(0|[1-9]\\d?|1\\d\\d?|2[0-4]\\d|25[0-5])\\s*,\\s*(0|[1-9]\\d?|1\\d\\d?|2[0-4]\\d|25[0-5])\\s*\\)$"
Base64 string = "^(?:[A-Za-z0-9+\\/]{4})*(?:[A-Za-z0-9+\\/]{2}==|[A-Za-z0-9+\\/]{3}=|[A-Za-z0-9+\\/]{4})$"
SSN string = `^\d{3}[- ]?\d{2}[- ]?\d{4}$`
Int string = "^(?:[-+]?(?:0|[1-9][0-9]*))$"
)

var (
rxCreditCard = regexp.MustCompile(CreditCard)
rxInt = regexp.MustCompile(Int)
rxISBN10 = regexp.MustCompile(ISBN10)
rxISBN13 = regexp.MustCompile(ISBN13)
rxHexcolor = regexp.MustCompile(Hexcolor)
rxRGBcolor = regexp.MustCompile(RGBcolor)
rxBase64 = regexp.MustCompile(Base64)
rxSSN = regexp.MustCompile(SSN)
)
181 changes: 181 additions & 0 deletions pkg/internal/third_party/govalidator/validator.go
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// Package govalidator is package of validators and sanitizers for strings, structs and collections.
package govalidator

import (
"fmt"
"net"
"net/url"
"reflect"
"regexp"
"strconv"
"strings"
)

var (
notNumberRegexp = regexp.MustCompile("[^0-9]+")
whiteSpacesAndMinus = regexp.MustCompile(`[\s-]+`)
)

// IsRequestURI check if the string rawurl, assuming
// it was received in an HTTP request, is an
// absolute URI or an absolute path.
func IsRequestURI(rawurl string) bool {
_, err := url.ParseRequestURI(rawurl)
return err == nil
}

// IsHexcolor check if the string is a hexadecimal color.
func IsHexcolor(str string) bool {
return rxHexcolor.MatchString(str)
}

// IsRGBcolor check if the string is a valid RGB color in form rgb(RRR, GGG, BBB).
func IsRGBcolor(str string) bool {
return rxRGBcolor.MatchString(str)
}

// IsCreditCard check if the string is a credit card.
func IsCreditCard(str string) bool {
sanitized := notNumberRegexp.ReplaceAllString(str, "")
if !rxCreditCard.MatchString(sanitized) {
return false
}
var sum int64
var digit string
var tmpNum int64
var shouldDouble bool
for i := len(sanitized) - 1; i >= 0; i-- {
digit = sanitized[i:(i + 1)]
tmpNum, _ = ToInt(digit)
if shouldDouble {
tmpNum *= 2
if tmpNum >= 10 {
sum += (tmpNum % 10) + 1
} else {
sum += tmpNum
}
} else {
sum += tmpNum
}
shouldDouble = !shouldDouble
}

return sum%10 == 0
}

// IsISBN10 check if the string is an ISBN version 10.
func IsISBN10(str string) bool {
return IsISBN(str, 10)
}

// IsISBN13 check if the string is an ISBN version 13.
func IsISBN13(str string) bool {
return IsISBN(str, 13)
}

// IsISBN check if the string is an ISBN (version 10 or 13).
// If version value is not equal to 10 or 13, it will be check both variants.
func IsISBN(str string, version int) bool {
sanitized := whiteSpacesAndMinus.ReplaceAllString(str, "")
var checksum int32
var i int32
if version == 10 {
if !rxISBN10.MatchString(sanitized) {
return false
}
for i = 0; i < 9; i++ {
checksum += (i + 1) * int32(sanitized[i]-'0')
}
if sanitized[9] == 'X' {
checksum += 10 * 10
} else {
checksum += 10 * int32(sanitized[9]-'0')
}
if checksum%11 == 0 {
return true
}
return false
} else if version == 13 {
if !rxISBN13.MatchString(sanitized) {
return false
}
factor := []int32{1, 3}
for i = 0; i < 12; i++ {
checksum += factor[i%2] * int32(sanitized[i]-'0')
}
return (int32(sanitized[12]-'0'))-((10-(checksum%10))%10) == 0
}
return IsISBN(str, 10) || IsISBN(str, 13)
}

// IsBase64 check if a string is base64 encoded.
func IsBase64(str string) bool {
return rxBase64.MatchString(str)
}

// IsIPv6 check if the string is an IP version 6.
func IsIPv6(str string) bool {
ip := net.ParseIP(str)
return ip != nil && strings.Contains(str, ":")
}

// IsMAC check if a string is valid MAC address.
// Possible MAC formats:
// 01:23:45:67:89:ab
// 01:23:45:67:89:ab:cd:ef
// 01-23-45-67-89-ab
// 01-23-45-67-89-ab-cd-ef
// 0123.4567.89ab
// 0123.4567.89ab.cdef
func IsMAC(str string) bool {
_, err := net.ParseMAC(str)
return err == nil
}

// IsSSN will validate the given string as a U.S. Social Security Number
func IsSSN(str string) bool {
if str == "" || len(str) != 11 {
return false
}
return rxSSN.MatchString(str)
}

// ToInt convert the input string or any int type to an integer type 64, or 0 if the input is not an integer.
func ToInt(value interface{}) (res int64, err error) {
val := reflect.ValueOf(value)

switch value.(type) {
case int, int8, int16, int32, int64:
res = val.Int()
case uint, uint8, uint16, uint32, uint64:
res = int64(val.Uint())
case string:
if IsInt(val.String()) {
res, err = strconv.ParseInt(val.String(), 0, 64)
if err != nil {
res = 0
}
} else {
err = fmt.Errorf("math: square root of negative number %g", value)
res = 0
}
default:
err = fmt.Errorf("math: square root of negative number %g", value)
res = 0
}

return
}

// IsInt check if the string is an integer. Empty string is valid.
func IsInt(str string) bool {
if IsNull(str) {
return true
}
return rxInt.MatchString(str)
}

// IsNull check if the string is null.
func IsNull(str string) bool {
return len(str) == 0
}
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