135 lines
2.5 KiB
Go
135 lines
2.5 KiB
Go
package rnd
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import (
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"strings"
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)
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const (
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TypeEmpty Type = "empty"
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TypeMixed Type = "mixed"
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TypeUUID Type = "UUID"
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TypeUID Type = "UID"
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TypeRefID Type = "RID"
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TypeSessionID Type = "SID"
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TypeCrcToken Type = "CRC"
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TypeMD5 Type = "MD5"
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TypeSHA1 Type = "SHA1"
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TypeSHA224 Type = "SHA224"
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TypeSHA256 Type = "SHA256"
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TypeSHA384 Type = "SHA384"
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TypeSHA512 Type = "SHA512"
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TypeUnknown Type = "unknown"
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)
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// IdType checks what kind of random ID a string contains
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// and returns it along with the id prefix, if any.
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func IdType(id string) (Type, byte) {
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if l := len(id); l == 0 {
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return TypeEmpty, PrefixNone
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} else if l < 14 || l > 128 {
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return TypeUnknown, PrefixNone
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}
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switch {
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case IsUID(id, 0):
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return TypeUID, id[0]
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case IsUUID(id):
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return TypeUUID, PrefixNone
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case IsSHA1(id):
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return TypeSHA1, PrefixNone
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case IsRefID(id):
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return TypeRefID, PrefixNone
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case IsAuthToken(id):
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return TypeSessionID, PrefixNone
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case ValidateCrcToken(id):
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return TypeCrcToken, PrefixNone
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case IsSHA224(id):
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return TypeSHA224, PrefixNone
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case IsSHA256(id):
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return TypeSHA256, PrefixNone
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case IsSHA384(id):
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return TypeSHA384, PrefixNone
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case IsSHA512(id):
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return TypeSHA512, PrefixNone
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case IsMD5(id):
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return TypeMD5, PrefixNone
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default:
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return TypeUnknown, PrefixNone
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}
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}
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// Type represents a random id type.
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type Type string
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// String returns the type as string.
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func (t Type) String() string {
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return string(t)
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}
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// Equal checks if the type matches.
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func (t Type) Equal(s string) bool {
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return strings.EqualFold(s, t.String())
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}
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// NotEqual checks if the type is different.
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func (t Type) NotEqual(s string) bool {
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return !t.Equal(s)
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}
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func (t Type) EntityID() bool {
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switch t {
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case TypeUID, TypeUUID, TypeRefID, TypeCrcToken, TypeSessionID:
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return true
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default:
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return false
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}
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}
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func (t Type) SessionID() bool {
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return t == TypeSessionID
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}
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func (t Type) CrcToken() bool {
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switch t {
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case TypeCrcToken:
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return true
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default:
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return false
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}
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}
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func (t Type) Hash() bool {
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switch t {
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case TypeMD5:
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return true
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default:
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return t.SHA()
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}
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}
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func (t Type) SHA() bool {
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return t.SHA1() || t.SHA2()
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}
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func (t Type) SHA1() bool {
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switch t {
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case TypeSHA1:
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return true
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default:
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return false
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}
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}
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func (t Type) SHA2() bool {
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switch t {
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case TypeSHA224, TypeSHA256, TypeSHA384, TypeSHA512:
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return true
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default:
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return false
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}
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}
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// Unknown checks if the type is unknown.
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func (t Type) Unknown() bool {
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return t == TypeUnknown
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}
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