54 lines
823 B
Go
54 lines
823 B
Go
package authcode
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import (
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"crypto/rand"
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"encoding/base64"
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"sync"
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"time"
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"github.com/spf13/viper"
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)
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type Token struct {
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Email string
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ExpiresAt time.Time
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}
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var (
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store = sync.Map{}
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)
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// Generate magic token
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func NewAuthCode(email string) (string, error) {
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b := make([]byte, 32)
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if _, err := rand.Read(b); err != nil {
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return "", err
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}
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code := base64.RawURLEncoding.EncodeToString(b)
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store.Store(code, Token{
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Email: email,
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ExpiresAt: time.Now().Add(viper.GetDuration("ttl.auth_code_ttl")),
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})
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return code, nil
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}
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// Verify magic token
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func VerifyAuthCode(code string) (string, bool) {
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val, ok := store.Load(code)
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if !ok {
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return "", false
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}
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t := val.(Token)
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if time.Now().After(t.ExpiresAt) {
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store.Delete(code)
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return "", false
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}
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store.Delete(code)
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return t.Email, true
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}
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