💯Go Struct and Field validation, including Cross Field, Cross Struct, Map, Slice and Array diving
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validator/baked_in.go

1239 lines
47 KiB

package validator
import (
"fmt"
"net"
"net/url"
"reflect"
"strings"
"time"
"unicode/utf8"
)
// BakedInAliasValidators is a default mapping of a single validationstag that
// defines a common or complex set of validation(s) to simplify
// adding validation to structs. i.e. set key "_ageok" and the tags
// are "gt=0,lte=130" or key "_preferredname" and tags "omitempty,gt=0,lte=60"
var bakedInAliasValidators = map[string]string{
"iscolor": "hexcolor|rgb|rgba|hsl|hsla",
}
// BakedInValidators is the default map of ValidationFunc
// you can add, remove or even replace items to suite your needs,
// or even disregard and use your own map if so desired.
var bakedInValidators = map[string]Func{
"required": HasValue,
"len": HasLengthOf,
"min": HasMinOf,
"max": HasMaxOf,
"eq": IsEq,
"ne": IsNe,
"lt": IsLt,
"lte": IsLte,
"gt": IsGt,
"gte": IsGte,
"eqfield": IsEqField,
"eqcsfield": IsEqCrossStructField,
"necsfield": IsNeCrossStructField,
"gtcsfield": IsGtCrossStructField,
"gtecsfield": IsGteCrossStructField,
"ltcsfield": IsLtCrossStructField,
"ltecsfield": IsLteCrossStructField,
"nefield": IsNeField,
"gtefield": IsGteField,
"gtfield": IsGtField,
"ltefield": IsLteField,
"ltfield": IsLtField,
"alpha": IsAlpha,
"alphanum": IsAlphanum,
"numeric": IsNumeric,
"number": IsNumber,
"hexadecimal": IsHexadecimal,
"hexcolor": IsHEXColor,
"rgb": IsRGB,
"rgba": IsRGBA,
"hsl": IsHSL,
"hsla": IsHSLA,
"email": IsEmail,
"url": IsURL,
"uri": IsURI,
"base64": IsBase64,
"contains": Contains,
"containsany": ContainsAny,
"containsrune": ContainsRune,
"excludes": Excludes,
"excludesall": ExcludesAll,
"excludesrune": ExcludesRune,
"isbn": IsISBN,
"isbn10": IsISBN10,
"isbn13": IsISBN13,
"uuid": IsUUID,
"uuid3": IsUUID3,
"uuid4": IsUUID4,
"uuid5": IsUUID5,
"ascii": IsASCII,
"printascii": IsPrintableASCII,
"multibyte": HasMultiByteCharacter,
"datauri": IsDataURI,
"latitude": IsLatitude,
"longitude": IsLongitude,
"ssn": IsSSN,
"ipv4": IsIPv4,
"ipv6": IsIPv6,
"ip": IsIP,
"cidrv4": IsCIDRv4,
"cidrv6": IsCIDRv6,
"cidr": IsCIDR,
"mac": IsMAC,
}
// IsMAC is the validation function for validating if the field's value is a valid MAC address.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsMAC(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
_, err := net.ParseMAC(field.String())
return err == nil
}
// IsCIDRv4 is the validation function for validating if the field's value is a valid v4 CIDR address.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsCIDRv4(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
ip, _, err := net.ParseCIDR(field.String())
return err == nil && ip.To4() != nil
}
// IsCIDRv6 is the validation function for validating if the field's value is a valid v6 CIDR address.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsCIDRv6(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
ip, _, err := net.ParseCIDR(field.String())
return err == nil && ip.To4() == nil
}
// IsCIDR is the validation function for validating if the field's value is a valid v4 or v6 CIDR address.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsCIDR(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
_, _, err := net.ParseCIDR(field.String())
return err == nil
}
// IsIPv4 is the validation function for validating if a value is a valid v4 IP address.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsIPv4(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
ip := net.ParseIP(field.String())
return ip != nil && ip.To4() != nil
}
// IsIPv6 is the validation function for validating if the field's value is a valid v6 IP address.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsIPv6(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
ip := net.ParseIP(field.String())
return ip != nil && ip.To4() == nil
}
// IsIP is the validation function for validating if the field's value is a valid v4 or v6 IP address.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsIP(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
ip := net.ParseIP(field.String())
return ip != nil
}
// IsSSN is the validation function for validating if the field's value is a valid SSN.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsSSN(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
if field.Len() != 11 {
return false
}
return sSNRegex.MatchString(field.String())
}
// IsLongitude is the validation function for validating if the field's value is a valid longitude coordinate.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsLongitude(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return longitudeRegex.MatchString(field.String())
}
// IsLatitude is the validation function for validating if the field's value is a valid latitude coordinate.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsLatitude(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return latitudeRegex.MatchString(field.String())
}
// IsDataURI is the validation function for validating if the field's value is a valid data URI.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsDataURI(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
uri := strings.SplitN(field.String(), ",", 2)
if len(uri) != 2 {
return false
}
if !dataURIRegex.MatchString(uri[0]) {
return false
}
fld := reflect.ValueOf(uri[1])
return IsBase64(v, topStruct, currentStructOrField, fld, fld.Type(), fld.Kind(), param)
}
// HasMultiByteCharacter is the validation function for validating if the field's value has a multi byte character.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func HasMultiByteCharacter(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
if field.Len() == 0 {
return true
}
return multibyteRegex.MatchString(field.String())
}
// IsPrintableASCII is the validation function for validating if the field's value is a valid printable ASCII character.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsPrintableASCII(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return printableASCIIRegex.MatchString(field.String())
}
// IsASCII is the validation function for validating if the field's value is a valid ASCII character.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsASCII(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return aSCIIRegex.MatchString(field.String())
}
// IsUUID5 is the validation function for validating if the field's value is a valid v5 UUID.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsUUID5(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return uUID5Regex.MatchString(field.String())
}
// IsUUID4 is the validation function for validating if the field's value is a valid v4 UUID.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsUUID4(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return uUID4Regex.MatchString(field.String())
}
// IsUUID3 is the validation function for validating if the field's value is a valid v3 UUID.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsUUID3(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return uUID3Regex.MatchString(field.String())
}
// IsUUID is the validation function for validating if the field's value is a valid UUID of any version.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsUUID(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return uUIDRegex.MatchString(field.String())
}
// IsISBN is the validation function for validating if the field's value is a valid v10 or v13 ISBN.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsISBN(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return IsISBN10(v, topStruct, currentStructOrField, field, fieldType, fieldKind, param) || IsISBN13(v, topStruct, currentStructOrField, field, fieldType, fieldKind, param)
}
// IsISBN13 is the validation function for validating if the field's value is a valid v13 ISBN.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsISBN13(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
s := strings.Replace(strings.Replace(field.String(), "-", "", 4), " ", "", 4)
if !iSBN13Regex.MatchString(s) {
return false
}
var checksum int32
var i int32
factor := []int32{1, 3}
for i = 0; i < 12; i++ {
checksum += factor[i%2] * int32(s[i]-'0')
}
if (int32(s[12]-'0'))-((10-(checksum%10))%10) == 0 {
return true
}
return false
}
// IsISBN10 is the validation function for validating if the field's value is a valid v10 ISBN.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsISBN10(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
s := strings.Replace(strings.Replace(field.String(), "-", "", 3), " ", "", 3)
if !iSBN10Regex.MatchString(s) {
return false
}
var checksum int32
var i int32
for i = 0; i < 9; i++ {
checksum += (i + 1) * int32(s[i]-'0')
}
if s[9] == 'X' {
checksum += 10 * 10
} else {
checksum += 10 * int32(s[9]-'0')
}
if checksum%11 == 0 {
return true
}
return false
}
// ExcludesRune is the validation function for validating that the field's value does not contain the rune specified withing the param.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func ExcludesRune(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return !ContainsRune(v, topStruct, currentStructOrField, field, fieldType, fieldKind, param)
}
// ExcludesAll is the validation function for validating that the field's value does not contain any of the characters specified withing the param.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func ExcludesAll(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return !ContainsAny(v, topStruct, currentStructOrField, field, fieldType, fieldKind, param)
}
// Excludes is the validation function for validating that the field's value does not contain the text specified withing the param.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func Excludes(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return !Contains(v, topStruct, currentStructOrField, field, fieldType, fieldKind, param)
}
// ContainsRune is the validation function for validating that the field's value contains the rune specified withing the param.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func ContainsRune(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
r, _ := utf8.DecodeRuneInString(param)
return strings.ContainsRune(field.String(), r)
}
// ContainsAny is the validation function for validating that the field's value contains any of the characters specified withing the param.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func ContainsAny(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return strings.ContainsAny(field.String(), param)
}
// Contains is the validation function for validating that the field's value contains the text specified withing the param.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func Contains(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return strings.Contains(field.String(), param)
}
// IsNeField is the validation function for validating if the current field's value is not equal to the field specified by the param's value.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsNeField(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
currentField, currentKind, ok := v.GetStructFieldOK(currentStructOrField, param)
if !ok || currentKind != fieldKind {
return true
}
switch fieldKind {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return field.Int() != currentField.Int()
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return field.Uint() != currentField.Uint()
case reflect.Float32, reflect.Float64:
return field.Float() != currentField.Float()
case reflect.Slice, reflect.Map, reflect.Array:
return int64(field.Len()) != int64(currentField.Len())
case reflect.Struct:
// Not Same underlying type i.e. struct and time
if fieldType != currentField.Type() {
return true
}
if fieldType == timeType {
t := currentField.Interface().(time.Time)
fieldTime := field.Interface().(time.Time)
return !fieldTime.Equal(t)
}
}
// default reflect.String:
return field.String() != currentField.String()
}
// IsNe is the validation function for validating that the field's value does not equal the provided param value.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsNe(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return !IsEq(v, topStruct, currentStructOrField, field, fieldType, fieldKind, param)
}
// IsLteCrossStructField is the validation function for validating if the current field's value is less than or equal to the field, within a separate struct, specified by the param's value.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsLteCrossStructField(v *Validate, topStruct reflect.Value, current reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
topField, topKind, ok := v.GetStructFieldOK(topStruct, param)
if !ok || topKind != fieldKind {
return false
}
switch fieldKind {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return field.Int() <= topField.Int()
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return field.Uint() <= topField.Uint()
case reflect.Float32, reflect.Float64:
return field.Float() <= topField.Float()
case reflect.Slice, reflect.Map, reflect.Array:
return int64(field.Len()) <= int64(topField.Len())
case reflect.Struct:
// Not Same underlying type i.e. struct and time
if fieldType != topField.Type() {
return false
}
if fieldType == timeType {
fieldTime := field.Interface().(time.Time)
topTime := topField.Interface().(time.Time)
return fieldTime.Before(topTime) || fieldTime.Equal(topTime)
}
}
// default reflect.String:
return field.String() <= topField.String()
}
// IsLtCrossStructField is the validation function for validating if the current field's value is less than the field, within a separate struct, specified by the param's value.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsLtCrossStructField(v *Validate, topStruct reflect.Value, current reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
topField, topKind, ok := v.GetStructFieldOK(topStruct, param)
if !ok || topKind != fieldKind {
return false
}
switch fieldKind {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return field.Int() < topField.Int()
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return field.Uint() < topField.Uint()
case reflect.Float32, reflect.Float64:
return field.Float() < topField.Float()
case reflect.Slice, reflect.Map, reflect.Array:
return int64(field.Len()) < int64(topField.Len())
case reflect.Struct:
// Not Same underlying type i.e. struct and time
if fieldType != topField.Type() {
return false
}
if fieldType == timeType {
fieldTime := field.Interface().(time.Time)
topTime := topField.Interface().(time.Time)
return fieldTime.Before(topTime)
}
}
// default reflect.String:
return field.String() < topField.String()
}
// IsGteCrossStructField is the validation function for validating if the current field's value is greater than or equal to the field, within a separate struct, specified by the param's value.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsGteCrossStructField(v *Validate, topStruct reflect.Value, current reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
topField, topKind, ok := v.GetStructFieldOK(topStruct, param)
if !ok || topKind != fieldKind {
return false
}
switch fieldKind {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return field.Int() >= topField.Int()
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return field.Uint() >= topField.Uint()
case reflect.Float32, reflect.Float64:
return field.Float() >= topField.Float()
case reflect.Slice, reflect.Map, reflect.Array:
return int64(field.Len()) >= int64(topField.Len())
case reflect.Struct:
// Not Same underlying type i.e. struct and time
if fieldType != topField.Type() {
return false
}
if fieldType == timeType {
fieldTime := field.Interface().(time.Time)
topTime := topField.Interface().(time.Time)
return fieldTime.After(topTime) || fieldTime.Equal(topTime)
}
}
// default reflect.String:
return field.String() >= topField.String()
}
// IsGtCrossStructField is the validation function for validating if the current field's value is greater than the field, within a separate struct, specified by the param's value.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsGtCrossStructField(v *Validate, topStruct reflect.Value, current reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
topField, topKind, ok := v.GetStructFieldOK(topStruct, param)
if !ok || topKind != fieldKind {
return false
}
switch fieldKind {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return field.Int() > topField.Int()
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return field.Uint() > topField.Uint()
case reflect.Float32, reflect.Float64:
return field.Float() > topField.Float()
case reflect.Slice, reflect.Map, reflect.Array:
return int64(field.Len()) > int64(topField.Len())
case reflect.Struct:
// Not Same underlying type i.e. struct and time
if fieldType != topField.Type() {
return false
}
if fieldType == timeType {
fieldTime := field.Interface().(time.Time)
topTime := topField.Interface().(time.Time)
return fieldTime.After(topTime)
}
}
// default reflect.String:
return field.String() > topField.String()
}
// IsNeCrossStructField is the validation function for validating that the current field's value is not equal to the field, within a separate struct, specified by the param's value.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsNeCrossStructField(v *Validate, topStruct reflect.Value, current reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
topField, currentKind, ok := v.GetStructFieldOK(topStruct, param)
if !ok || currentKind != fieldKind {
return true
}
switch fieldKind {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return topField.Int() != field.Int()
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return topField.Uint() != field.Uint()
case reflect.Float32, reflect.Float64:
return topField.Float() != field.Float()
case reflect.Slice, reflect.Map, reflect.Array:
return int64(topField.Len()) != int64(field.Len())
case reflect.Struct:
// Not Same underlying type i.e. struct and time
if fieldType != topField.Type() {
return true
}
if fieldType == timeType {
t := field.Interface().(time.Time)
fieldTime := topField.Interface().(time.Time)
return !fieldTime.Equal(t)
}
}
// default reflect.String:
return topField.String() != field.String()
}
// IsEqCrossStructField is the validation function for validating that the current field's value is equal to the field, within a separate struct, specified by the param's value.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsEqCrossStructField(v *Validate, topStruct reflect.Value, current reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
topField, topKind, ok := v.GetStructFieldOK(topStruct, param)
if !ok || topKind != fieldKind {
return false
}
switch fieldKind {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return topField.Int() == field.Int()
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return topField.Uint() == field.Uint()
case reflect.Float32, reflect.Float64:
return topField.Float() == field.Float()
case reflect.Slice, reflect.Map, reflect.Array:
return int64(topField.Len()) == int64(field.Len())
case reflect.Struct:
// Not Same underlying type i.e. struct and time
if fieldType != topField.Type() {
return false
}
if fieldType == timeType {
t := field.Interface().(time.Time)
fieldTime := topField.Interface().(time.Time)
return fieldTime.Equal(t)
}
}
// default reflect.String:
return topField.String() == field.String()
}
// IsEqField is the validation function for validating if the current field's value is equal to the field specified by the param's value.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsEqField(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
currentField, currentKind, ok := v.GetStructFieldOK(currentStructOrField, param)
if !ok || currentKind != fieldKind {
return false
}
switch fieldKind {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return field.Int() == currentField.Int()
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return field.Uint() == currentField.Uint()
case reflect.Float32, reflect.Float64:
return field.Float() == currentField.Float()
case reflect.Slice, reflect.Map, reflect.Array:
return int64(field.Len()) == int64(currentField.Len())
case reflect.Struct:
// Not Same underlying type i.e. struct and time
if fieldType != currentField.Type() {
return false
}
if fieldType == timeType {
t := currentField.Interface().(time.Time)
fieldTime := field.Interface().(time.Time)
return fieldTime.Equal(t)
}
}
// default reflect.String:
return field.String() == currentField.String()
}
// IsEq is the validation function for validating if the current field's value is equal to the param's value.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsEq(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
switch fieldKind {
case reflect.String:
return field.String() == param
case reflect.Slice, reflect.Map, reflect.Array:
p := asInt(param)
return int64(field.Len()) == p
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
p := asInt(param)
return field.Int() == p
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
p := asUint(param)
return field.Uint() == p
case reflect.Float32, reflect.Float64:
p := asFloat(param)
return field.Float() == p
}
panic(fmt.Sprintf("Bad field type %T", field.Interface()))
}
// IsBase64 is the validation function for validating if the current field's value is a valid base 64.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsBase64(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return base64Regex.MatchString(field.String())
}
// IsURI is the validation function for validating if the current field's value is a valid URI.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsURI(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
switch fieldKind {
case reflect.String:
_, err := url.ParseRequestURI(field.String())
return err == nil
}
panic(fmt.Sprintf("Bad field type %T", field.Interface()))
}
// IsURL is the validation function for validating if the current field's value is a valid URL.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsURL(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
switch fieldKind {
case reflect.String:
url, err := url.ParseRequestURI(field.String())
if err != nil {
return false
}
if url.Scheme == blank {
return false
}
return err == nil
}
panic(fmt.Sprintf("Bad field type %T", field.Interface()))
}
// IsEmail is the validation function for validating if the current field's value is a valid email address.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsEmail(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return emailRegex.MatchString(field.String())
}
// IsHSLA is the validation function for validating if the current field's value is a valid HSLA color.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsHSLA(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return hslaRegex.MatchString(field.String())
}
// IsHSL is the validation function for validating if the current field's value is a valid HSL color.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsHSL(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return hslRegex.MatchString(field.String())
}
// IsRGBA is the validation function for validating if the current field's value is a valid RGBA color.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsRGBA(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return rgbaRegex.MatchString(field.String())
}
// IsRGB is the validation function for validating if the current field's value is a valid RGB color.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsRGB(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return rgbRegex.MatchString(field.String())
}
// IsHEXColor is the validation function for validating if the current field's value is a valid HEX color.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsHEXColor(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return hexcolorRegex.MatchString(field.String())
}
// IsHexadecimal is the validation function for validating if the current field's value is a valid hexadecimal.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsHexadecimal(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return hexadecimalRegex.MatchString(field.String())
}
// IsNumber is the validation function for validating if the current field's value is a valid number.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsNumber(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return numberRegex.MatchString(field.String())
}
// IsNumeric is the validation function for validating if the current field's value is a valid numeric value.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsNumeric(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return numericRegex.MatchString(field.String())
}
// IsAlphanum is the validation function for validating if the current field's value is a valid alphanumeric value.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsAlphanum(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return alphaNumericRegex.MatchString(field.String())
}
// IsAlpha is the validation function for validating if the current field's value is a valid alpha value.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsAlpha(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return alphaRegex.MatchString(field.String())
}
// HasValue is the validation function for validating if the current field's value is not the default static value.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func HasValue(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
switch fieldKind {
case reflect.Slice, reflect.Map, reflect.Ptr, reflect.Interface, reflect.Chan, reflect.Func:
return !field.IsNil()
default:
return field.IsValid() && field.Interface() != reflect.Zero(fieldType).Interface()
}
}
// IsGteField is the validation function for validating if the current field's value is greater than or equal to the field specified by the param's value.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsGteField(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
currentField, currentKind, ok := v.GetStructFieldOK(currentStructOrField, param)
if !ok || currentKind != fieldKind {
return false
}
switch fieldKind {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return field.Int() >= currentField.Int()
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return field.Uint() >= currentField.Uint()
case reflect.Float32, reflect.Float64:
return field.Float() >= currentField.Float()
case reflect.Struct:
// Not Same underlying type i.e. struct and time
if fieldType != currentField.Type() {
return false
}
if fieldType == timeType {
t := currentField.Interface().(time.Time)
fieldTime := field.Interface().(time.Time)
return fieldTime.After(t) || fieldTime.Equal(t)
}
}
// default reflect.String
return len(field.String()) >= len(currentField.String())
}
// IsGtField is the validation function for validating if the current field's value is greater than the field specified by the param's value.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsGtField(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
currentField, currentKind, ok := v.GetStructFieldOK(currentStructOrField, param)
if !ok || currentKind != fieldKind {
return false
}
switch fieldKind {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return field.Int() > currentField.Int()
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return field.Uint() > currentField.Uint()
case reflect.Float32, reflect.Float64:
return field.Float() > currentField.Float()
case reflect.Struct:
// Not Same underlying type i.e. struct and time
if fieldType != currentField.Type() {
return false
}
if fieldType == timeType {
t := currentField.Interface().(time.Time)
fieldTime := field.Interface().(time.Time)
return fieldTime.After(t)
}
}
// default reflect.String
return len(field.String()) > len(currentField.String())
}
// IsGte is the validation function for validating if the current field's value is greater than or equal to the param's value.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsGte(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
switch fieldKind {
case reflect.String:
p := asInt(param)
return int64(utf8.RuneCountInString(field.String())) >= p
case reflect.Slice, reflect.Map, reflect.Array:
p := asInt(param)
return int64(field.Len()) >= p
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
p := asInt(param)
return field.Int() >= p
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
p := asUint(param)
return field.Uint() >= p
case reflect.Float32, reflect.Float64:
p := asFloat(param)
return field.Float() >= p
case reflect.Struct:
if fieldType == timeType || fieldType == timePtrType {
now := time.Now().UTC()
t := field.Interface().(time.Time)
return t.After(now) || t.Equal(now)
}
}
panic(fmt.Sprintf("Bad field type %T", field.Interface()))
}
// IsGt is the validation function for validating if the current field's value is greater than the param's value.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsGt(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
switch fieldKind {
case reflect.String:
p := asInt(param)
return int64(utf8.RuneCountInString(field.String())) > p
case reflect.Slice, reflect.Map, reflect.Array:
p := asInt(param)
return int64(field.Len()) > p
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
p := asInt(param)
return field.Int() > p
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
p := asUint(param)
return field.Uint() > p
case reflect.Float32, reflect.Float64:
p := asFloat(param)
return field.Float() > p
case reflect.Struct:
if field.Type() == timeType || field.Type() == timePtrType {
return field.Interface().(time.Time).After(time.Now().UTC())
}
}
panic(fmt.Sprintf("Bad field type %T", field.Interface()))
}
// HasLengthOf is the validation function for validating if the current field's value is equal to the param's value.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func HasLengthOf(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
switch fieldKind {
case reflect.String:
p := asInt(param)
return int64(utf8.RuneCountInString(field.String())) == p
case reflect.Slice, reflect.Map, reflect.Array:
p := asInt(param)
return int64(field.Len()) == p
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
p := asInt(param)
return field.Int() == p
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
p := asUint(param)
return field.Uint() == p
case reflect.Float32, reflect.Float64:
p := asFloat(param)
return field.Float() == p
}
panic(fmt.Sprintf("Bad field type %T", field.Interface()))
}
// HasMinOf is the validation function for validating if the current field's value is greater than or equal to the param's value.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func HasMinOf(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return IsGte(v, topStruct, currentStructOrField, field, fieldType, fieldKind, param)
}
// IsLteField is the validation function for validating if the current field's value is less than or equal to the field specified by the param's value.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsLteField(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
currentField, currentKind, ok := v.GetStructFieldOK(currentStructOrField, param)
if !ok || currentKind != fieldKind {
return false
}
switch fieldKind {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return field.Int() <= currentField.Int()
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return field.Uint() <= currentField.Uint()
case reflect.Float32, reflect.Float64:
return field.Float() <= currentField.Float()
case reflect.Struct:
// Not Same underlying type i.e. struct and time
if fieldType != currentField.Type() {
return false
}
if fieldType == timeType {
t := currentField.Interface().(time.Time)
fieldTime := field.Interface().(time.Time)
return fieldTime.Before(t) || fieldTime.Equal(t)
}
}
// default reflect.String
return len(field.String()) <= len(currentField.String())
}
// IsLtField is the validation function for validating if the current field's value is less than the field specified by the param's value.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsLtField(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
currentField, currentKind, ok := v.GetStructFieldOK(currentStructOrField, param)
if !ok || currentKind != fieldKind {
return false
}
switch fieldKind {
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
return field.Int() < currentField.Int()
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
return field.Uint() < currentField.Uint()
case reflect.Float32, reflect.Float64:
return field.Float() < currentField.Float()
case reflect.Struct:
// Not Same underlying type i.e. struct and time
if fieldType != currentField.Type() {
return false
}
if fieldType == timeType {
t := currentField.Interface().(time.Time)
fieldTime := field.Interface().(time.Time)
return fieldTime.Before(t)
}
}
// default reflect.String
return len(field.String()) < len(currentField.String())
}
// IsLte is the validation function for validating if the current field's value is less than or equal to the param's value.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsLte(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
switch fieldKind {
case reflect.String:
p := asInt(param)
return int64(utf8.RuneCountInString(field.String())) <= p
case reflect.Slice, reflect.Map, reflect.Array:
p := asInt(param)
return int64(field.Len()) <= p
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
p := asInt(param)
return field.Int() <= p
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
p := asUint(param)
return field.Uint() <= p
case reflect.Float32, reflect.Float64:
p := asFloat(param)
return field.Float() <= p
case reflect.Struct:
if fieldType == timeType || fieldType == timePtrType {
now := time.Now().UTC()
t := field.Interface().(time.Time)
return t.Before(now) || t.Equal(now)
}
}
panic(fmt.Sprintf("Bad field type %T", field.Interface()))
}
// IsLt is the validation function for validating if the current field's value is less than the param's value.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func IsLt(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
switch fieldKind {
case reflect.String:
p := asInt(param)
return int64(utf8.RuneCountInString(field.String())) < p
case reflect.Slice, reflect.Map, reflect.Array:
p := asInt(param)
return int64(field.Len()) < p
case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
p := asInt(param)
return field.Int() < p
case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
p := asUint(param)
return field.Uint() < p
case reflect.Float32, reflect.Float64:
p := asFloat(param)
return field.Float() < p
case reflect.Struct:
if field.Type() == timeType || field.Type() == timePtrType {
return field.Interface().(time.Time).Before(time.Now().UTC())
}
}
panic(fmt.Sprintf("Bad field type %T", field.Interface()))
}
// HasMaxOf is the validation function for validating if the current field's value is less than or equal to the param's value.
// NOTE: This is exposed for use within your own custom functions and not intended to be called directly.
func HasMaxOf(v *Validate, topStruct reflect.Value, currentStructOrField reflect.Value, field reflect.Value, fieldType reflect.Type, fieldKind reflect.Kind, param string) bool {
return IsLte(v, topStruct, currentStructOrField, field, fieldType, fieldKind, param)
}