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36 lines
853 B
Go
36 lines
853 B
Go
1 month ago
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package security
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import (
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"golang.org/x/crypto/bcrypt"
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"strings"
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)
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type PasswordEncoder interface {
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Encode(rawPassword string) (string, error)
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Matches(rawPassword string, encodedPassword string) bool
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Prefix() string
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}
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type BCryptPasswordEncoder struct {
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}
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var _ PasswordEncoder = (*BCryptPasswordEncoder)(nil)
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func (b *BCryptPasswordEncoder) Encode(rawPassword string) (string, error) {
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encodePw, err := bcrypt.GenerateFromPassword([]byte(rawPassword), bcrypt.DefaultCost)
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if err != nil {
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return "", err
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} else {
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return b.Prefix() + string(encodePw), nil
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}
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}
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func (b *BCryptPasswordEncoder) Matches(rawPassword, passWd string) bool {
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raw := strings.TrimPrefix(rawPassword, b.Prefix())
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return bcrypt.CompareHashAndPassword([]byte(raw), []byte(passWd)) == nil
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}
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func (b *BCryptPasswordEncoder) Prefix() string {
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return "{bcrypt}"
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}
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