mirror of
https://github.com/go-gitea/gitea.git
synced 2024-12-04 14:46:57 -05:00
63 lines
1.4 KiB
Go
63 lines
1.4 KiB
Go
|
package pwn
|
||
|
|
||
|
import (
|
||
|
"crypto/sha1"
|
||
|
"encoding/hex"
|
||
|
"fmt"
|
||
|
"io/ioutil"
|
||
|
"net/http"
|
||
|
"strconv"
|
||
|
"strings"
|
||
|
)
|
||
|
|
||
|
const passwordURL = "https://api.pwnedpasswords.com/range/"
|
||
|
|
||
|
// CheckPassword returns the number of times a password has been compromised
|
||
|
// Adding padding will make requests more secure, however is also slower
|
||
|
// because artificial responses will be added to the response
|
||
|
// For more information, see https://www.troyhunt.com/enhancing-pwned-passwords-privacy-with-padding/
|
||
|
func (c *Client) CheckPassword(pw string, padding bool) (int, error) {
|
||
|
if strings.TrimSpace(pw) == "" {
|
||
|
return -1, ErrEmptyPassword{}
|
||
|
}
|
||
|
|
||
|
sha := sha1.New()
|
||
|
sha.Write([]byte(pw))
|
||
|
enc := hex.EncodeToString(sha.Sum(nil))
|
||
|
prefix, suffix := enc[:5], enc[5:]
|
||
|
|
||
|
req, err := newRequest(c.ctx, http.MethodGet, fmt.Sprintf("%s%s", passwordURL, prefix), nil)
|
||
|
if err != nil {
|
||
|
return -1, nil
|
||
|
}
|
||
|
if padding {
|
||
|
req.Header.Add("Add-Padding", "true")
|
||
|
}
|
||
|
|
||
|
resp, err := c.http.Do(req)
|
||
|
if err != nil {
|
||
|
return -1, err
|
||
|
}
|
||
|
|
||
|
body, err := ioutil.ReadAll(resp.Body)
|
||
|
if err != nil {
|
||
|
return -1, err
|
||
|
}
|
||
|
defer resp.Body.Close()
|
||
|
|
||
|
for _, pair := range strings.Split(string(body), "\n") {
|
||
|
parts := strings.Split(pair, ":")
|
||
|
if len(parts) != 2 {
|
||
|
continue
|
||
|
}
|
||
|
if strings.EqualFold(suffix, parts[0]) {
|
||
|
count, err := strconv.ParseInt(strings.TrimSpace(parts[1]), 10, 64)
|
||
|
if err != nil {
|
||
|
return -1, err
|
||
|
}
|
||
|
return int(count), nil
|
||
|
}
|
||
|
}
|
||
|
return 0, nil
|
||
|
}
|