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Check passwords against HaveIBeenPwned (#12716)

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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>
This commit is contained in:
John Olheiser 2020-09-08 17:06:39 -05:00 • committed by GitHub
parent bea343ce09
commit c6e4bc53aa
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
22 changed files with 309 additions and 8 deletions
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9
modules/password/password.go
View file

@ -6,6 +6,7 @@ package password
import (
"bytes"
goContext "context"
"crypto/rand"
"math/big"
"strings"
@ -88,7 +89,7 @@ func IsComplexEnough(pwd string) bool {
return true
}
// Generate a random password
// Generate a random password
func Generate(n int) (string, error) {
NewComplexity()
buffer := make([]byte, n)
@ -101,7 +102,11 @@ func Generate(n int) (string, error) {
}
buffer[j] = validChars[rnd.Int64()]
}
if IsComplexEnough(string(buffer)) && string(buffer[0]) != " " && string(buffer[n-1]) != " " {
pwned, err := IsPwned(goContext.Background(), string(buffer))
if err != nil {
return "", err
}
if IsComplexEnough(string(buffer)) && !pwned && string(buffer[0]) != " " && string(buffer[n-1]) != " " {
return string(buffer), nil
}
}

30
modules/password/pwn.go Normal file
View file

@ -0,0 +1,30 @@
// Copyright 2020 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package password
import (
"context"
"code.gitea.io/gitea/modules/setting"
"go.jolheiser.com/pwn"
)
// IsPwned checks whether a password has been pwned
// NOTE: This func returns true if it encounters an error under the assumption that you ALWAYS want to check against
// HIBP, so not getting a response should block a password until it can be verified.
func IsPwned(ctx context.Context, password string) (bool, error) {
if !setting.PasswordCheckPwn {
return false, nil
}
client := pwn.New(pwn.WithContext(ctx))
count, err := client.CheckPassword(password, true)
if err != nil {
return true, err
}
return count > 0, nil
}