forked from tildetown/town
forgot to add these
parent
bf244101e6
commit
529e14158a
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@ -0,0 +1,40 @@
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package main
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import (
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"fmt"
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"git.tilde.town/tildetown/town/email"
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"git.tilde.town/tildetown/town/towndb"
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)
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const emailText = `hello!
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You (hopefully) requested to add a new public key to your tilde.town account.
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If you didn't, feel free to ignore this email (or report it to an admin).
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If you did, here is your auth code: %s
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To use this code, please open a terminal and run:
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ssh help@tilde.town
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Follow the instructions there to add your new key and restore access to your account.
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best,
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~vilmibm`
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func sendAuthCodeEmail(ac towndb.AuthCode) error {
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pw, err := email.LoadPassword()
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if err != nil {
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return err
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}
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body := fmt.Sprintf(emailText, ac.Code)
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mailer := email.NewExternalMailer(pw)
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return mailer.Send(
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ac.Email,
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"Adding a new tilde.town public key",
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body)
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}
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@ -0,0 +1,47 @@
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package codes
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import (
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"crypto/rand"
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"encoding/base64"
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"math/big"
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"strings"
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)
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const codeLen = 32
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func NewCode(email string) string {
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charset := "abcdefghijklmnopqrztuvwxyz"
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charset += strings.ToUpper(charset)
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charset += "0123456789"
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charset += "`~!@#$%^&*()-=_+[]{}|;:,./<>?"
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code := []byte{}
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max := big.NewInt(int64(len(charset)))
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for len(code) < codeLen {
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ix, err := rand.Int(rand.Reader, max)
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if err != nil {
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// TODO this is bad but I'm just kind of hoping it doesn't happen...often
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panic(err)
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}
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code = append(code, charset[ix.Int64()])
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}
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code = append(code, ' ')
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eb := []byte(email)
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for x := 0; x < len(eb); x++ {
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code = append(code, eb[x])
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}
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return base64.StdEncoding.EncodeToString(code)
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}
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func Decode(code string) ([]string, error) {
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decoded, err := base64.StdEncoding.DecodeString(code)
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if err != nil {
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return nil, err
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}
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return strings.Split(string(decoded), " "), nil
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}
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