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* Implement pwn Signed-off-by: jolheiser <john.olheiser@gmail.com> * Update module Signed-off-by: jolheiser <john.olheiser@gmail.com> * Apply suggestions mrsdizzie Co-authored-by: mrsdizzie <info@mrsdizzie.com> * Add link to HIBP Signed-off-by: jolheiser <john.olheiser@gmail.com> * Add more details to admin command Signed-off-by: jolheiser <john.olheiser@gmail.com> * Add context to pwn Signed-off-by: jolheiser <john.olheiser@gmail.com> * Consistency and making some noise ;) Signed-off-by: jolheiser <john.olheiser@gmail.com> Co-authored-by: mrsdizzie <info@mrsdizzie.com> Co-authored-by: zeripath <art27@cantab.net>
63 lines
1.4 KiB
Go
Vendored
63 lines
1.4 KiB
Go
Vendored
package pwn
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import (
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"crypto/sha1"
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"encoding/hex"
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"fmt"
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"io/ioutil"
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"net/http"
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"strconv"
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"strings"
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)
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const passwordURL = "https://api.pwnedpasswords.com/range/"
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// CheckPassword returns the number of times a password has been compromised
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// Adding padding will make requests more secure, however is also slower
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// because artificial responses will be added to the response
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// For more information, see https://www.troyhunt.com/enhancing-pwned-passwords-privacy-with-padding/
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func (c *Client) CheckPassword(pw string, padding bool) (int, error) {
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if strings.TrimSpace(pw) == "" {
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return -1, ErrEmptyPassword{}
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}
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sha := sha1.New()
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sha.Write([]byte(pw))
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enc := hex.EncodeToString(sha.Sum(nil))
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prefix, suffix := enc[:5], enc[5:]
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req, err := newRequest(c.ctx, http.MethodGet, fmt.Sprintf("%s%s", passwordURL, prefix), nil)
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if err != nil {
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return -1, nil
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}
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if padding {
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req.Header.Add("Add-Padding", "true")
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}
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resp, err := c.http.Do(req)
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if err != nil {
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return -1, err
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}
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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return -1, err
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}
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defer resp.Body.Close()
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for _, pair := range strings.Split(string(body), "\n") {
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parts := strings.Split(pair, ":")
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if len(parts) != 2 {
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continue
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}
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if strings.EqualFold(suffix, parts[0]) {
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count, err := strconv.ParseInt(strings.TrimSpace(parts[1]), 10, 64)
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if err != nil {
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return -1, err
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}
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return int(count), nil
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}
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}
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return 0, nil
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}
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