59 lines
999 B
Go
59 lines
999 B
Go
package otp_test
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import (
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"fmt"
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"dev.justinjudd.org/justin/otp"
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)
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// Just an example for storing OTP keys on the client
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var keys map[Key]string
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// Key is used as keys for the otp key storing map
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type Key struct {
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Issuer, Label string
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}
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func GetCode(issuer, username string) (string, error) {
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mapKey := Key{issuer, username}
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// Get the stored Key URL
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keyURL, ok := keys[mapKey]
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if !ok {
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return "", nil
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}
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// Build the key from the URL
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key, err := otp.FromURL(keyURL)
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if err != nil {
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return "", err
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}
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// Verify Issuer and Label are correct
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if key.Issuer() != issuer || key.Label() != username {
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return "", nil
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}
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code := key.OTP()
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// If using HOTP, than need to save the state
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keyURL = key.URL()
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keys[mapKey] = keyURL
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return code, nil
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}
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func Example_hOTPClient() {
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issuer := "example.com"
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username := "username"
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code, err := GetCode(issuer, username)
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if err != nil {
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// Handle error
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}
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// Present code to user, or send code to server
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fmt.Println(code)
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}
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