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Check passwords against HaveIBeenPwned (#12716) 

* 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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8
cmd/admin.go
View File

@ -6,6 +6,7 @@
package cmd
import (
"context"
"errors"
"fmt"
"os"
@ -265,6 +266,13 @@ func runChangePassword(c *cli.Context) error {
if !pwd.IsComplexEnough(c.String("password")) {
return errors.New("Password does not meet complexity requirements")
}
pwned, err := pwd.IsPwned(context.Background(), c.String("password"))
if err != nil {
return err
}
if pwned {
return errors.New("The password you chose is on a list of stolen passwords previously exposed in public data breaches. Please try again with a different password.\nFor more details, see https://haveibeenpwned.com/Passwords")
}
uname := c.String("username")
user, err := models.GetUserByName(uname)
if err != nil {

2
custom/conf/app.example.ini
View File

@ -512,6 +512,8 @@ PASSWORD_COMPLEXITY = off
PASSWORD_HASH_ALGO = argon2
; Set false to allow JavaScript to read CSRF cookie
CSRF_COOKIE_HTTP_ONLY = true
; Validate against https://haveibeenpwned.com/Passwords to see if a password has been exposed
PASSWORD_CHECK_PWN = false
[openid]
;

1
docs/content/doc/advanced/config-cheat-sheet.en-us.md
View File

@ -344,6 +344,7 @@ set name for unique queues. Individual queues will default to
- digit - use one or more digits
- spec - use one or more special characters as ``!"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~``
- off - do not check password complexity
- `PASSWORD_CHECK_PWN`: **false**: Check [HaveIBeenPwned](https://haveibeenpwned.com/Passwords) to see if a password has been exposed.
## OpenID (`openid`)

1
go.mod
View File

@ -98,6 +98,7 @@ require (
github.com/yuin/goldmark v1.2.1
github.com/yuin/goldmark-highlighting v0.0.0-20200307114337-60d527fdb691
github.com/yuin/goldmark-meta v0.0.0-20191126180153-f0638e958b60
go.jolheiser.com/pwn v0.0.3
golang.org/x/crypto v0.0.0-20200820211705-5c72a883971a
golang.org/x/net v0.0.0-20200904194848-62affa334b73
golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d

5
go.sum
View File

@ -918,8 +918,9 @@ github.com/ziutek/mymysql v1.5.4/go.mod h1:LMSpPZ6DbqWFxNCHW77HeMg9I646SAhApZ/wK
go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
go.etcd.io/bbolt v1.3.5 h1:XAzx9gjCb0Rxj7EoqcClPD1d5ZBxZJk0jbuoPHenBt0=
go.etcd.io/bbolt v1.3.5/go.mod h1:G5EMThwa9y8QZGBClrRx5EY+Yw9kAhnjy3bSjsnlVTQ=
go.jolheiser.com/pwn v0.0.3 h1:MQowb3QvCL5r5NmHmCPxw93SdjfgJ0q6rAwYn4i1Hjg=
go.jolheiser.com/pwn v0.0.3/go.mod h1:/j5Dl8ftNqqJ8Dlx3YTrJV1wIR2lWOTyrNU3Qe7rk6I=
go.mongodb.org/mongo-driver v1.0.3/go.mod h1:u7ryQJ+DOzQmeO7zB6MHyr8jkEQvC8vH7qLUO4lqsUM=
go.mongodb.org/mongo-driver v1.1.1 h1:Sq1fR+0c58RME5EoqKdjkiQAmPjmfHlZOoRI6fTUOcs=
go.mongodb.org/mongo-driver v1.1.1/go.mod h1:u7ryQJ+DOzQmeO7zB6MHyr8jkEQvC8vH7qLUO4lqsUM=
go.mongodb.org/mongo-driver v1.3.0/go.mod h1:MSWZXKOynuguX+JSvwP8i+58jYCXxbia8HS3gZBapIE=
go.mongodb.org/mongo-driver v1.3.4/go.mod h1:MSWZXKOynuguX+JSvwP8i+58jYCXxbia8HS3gZBapIE=
@ -977,7 +978,6 @@ golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCc
golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
golang.org/x/mod v0.1.0/go.mod h1:0QHyrYULN0/3qlju5TqG8bIK38QM8yzMo5ekMj3DlcY=
golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
golang.org/x/mod v0.2.0 h1:KU7oHjnv3XNWfa5COkzUifxZmxp1TyI7ImMXqFxLwvQ=
golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
golang.org/x/mod v0.3.0 h1:RM4zey1++hCTbCVQfnWeKs9/IEsaBLA8vTkd0WVtmH4=
golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
@ -1012,7 +1012,6 @@ golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLL
golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
golang.org/x/net v0.0.0-20200602114024-627f9648deb9/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
golang.org/x/net v0.0.0-20200625001655-4c5254603344/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
golang.org/x/net v0.0.0-20200707034311-ab3426394381 h1:VXak5I6aEWmAXeQjA+QSZzlgNrpq9mjcfDemuexIKsU=
golang.org/x/net v0.0.0-20200707034311-ab3426394381/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
golang.org/x/net v0.0.0-20200904194848-62affa334b73 h1:MXfv8rhZWmFeqX3GNZRsd6vOLoaCHjYEX3qkRo3YBUA=
golang.org/x/net v0.0.0-20200904194848-62affa334b73/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=

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
}

2
modules/setting/setting.go
View File

@ -146,6 +146,7 @@ var (
OnlyAllowPushIfGiteaEnvironmentSet bool
PasswordComplexity []string
PasswordHashAlgo string
PasswordCheckPwn bool
// UI settings
UI = struct {
@ -744,6 +745,7 @@ func NewContext() {
OnlyAllowPushIfGiteaEnvironmentSet = sec.Key("ONLY_ALLOW_PUSH_IF_GITEA_ENVIRONMENT_SET").MustBool(true)
PasswordHashAlgo = sec.Key("PASSWORD_HASH_ALGO").MustString("argon2")
CSRFCookieHTTPOnly = sec.Key("CSRF_COOKIE_HTTP_ONLY").MustBool(true)
PasswordCheckPwn = sec.Key("PASSWORD_CHECK_PWN").MustBool(false)
InternalToken = loadInternalToken(sec)

2
options/locale/locale_en-US.ini
View File

@ -300,6 +300,8 @@ authorization_failed = Authorization failed
authorization_failed_desc = The authorization failed because we detected an invalid request. Please contact the maintainer of the app you've tried to authorize.
disable_forgot_password_mail = Account recovery is disabled. Please contact your site administrator.
sspi_auth_failed = SSPI authentication failed
password_pwned = The password you chose is on a <a target="_blank" rel="noopener noreferrer" href="https://haveibeenpwned.com/Passwords">list of stolen passwords</a> previously exposed in public data breaches. Please try again with a different password.
password_pwned_err = Could not complete request to HaveIBeenPwned
[mail]
activate_account = Please activate your account

22
routers/admin/users.go
View File

@ -108,6 +108,17 @@ func NewUserPost(ctx *context.Context, form auth.AdminCreateUserForm) {
ctx.RenderWithErr(password.BuildComplexityError(ctx), tplUserNew, &form)
return
}
pwned, err := password.IsPwned(ctx.Req.Context(), form.Password)
if pwned {
ctx.Data["Err_Password"] = true
errMsg := ctx.Tr("auth.password_pwned")
if err != nil {
log.Error(err.Error())
errMsg = ctx.Tr("auth.password_pwned_err")
}
ctx.RenderWithErr(errMsg, tplUserNew, &form)
return
}
u.MustChangePassword = form.MustChangePassword
}
if err := models.CreateUser(u); err != nil {
@ -224,6 +235,17 @@ func EditUserPost(ctx *context.Context, form auth.AdminEditUserForm) {
ctx.RenderWithErr(password.BuildComplexityError(ctx), tplUserEdit, &form)
return
}
pwned, err := password.IsPwned(ctx.Req.Context(), form.Password)
if pwned {
ctx.Data["Err_Password"] = true
errMsg := ctx.Tr("auth.password_pwned")
if err != nil {
log.Error(err.Error())
errMsg = ctx.Tr("auth.password_pwned_err")
}
ctx.RenderWithErr(errMsg, tplUserNew, &form)
return
}
if u.Salt, err = models.GetUserSalt(); err != nil {
ctx.ServerError("UpdateUser", err)
return

19
routers/api/v1/admin/user.go
View File

@ -87,6 +87,15 @@ func CreateUser(ctx *context.APIContext, form api.CreateUserOption) {
ctx.Error(http.StatusBadRequest, "PasswordComplexity", err)
return
}
pwned, err := password.IsPwned(ctx.Req.Context(), form.Password)
if pwned {
if err != nil {
log.Error(err.Error())
}
ctx.Data["Err_Password"] = true
ctx.Error(http.StatusBadRequest, "PasswordPwned", errors.New("PasswordPwned"))
return
}
if err := models.CreateUser(u); err != nil {
if models.IsErrUserAlreadyExist(err) ||
models.IsErrEmailAlreadyUsed(err) ||
@ -151,7 +160,15 @@ func EditUser(ctx *context.APIContext, form api.EditUserOption) {
ctx.Error(http.StatusBadRequest, "PasswordComplexity", err)
return
}
var err error
pwned, err := password.IsPwned(ctx.Req.Context(), form.Password)
if pwned {
if err != nil {
log.Error(err.Error())
}
ctx.Data["Err_Password"] = true
ctx.Error(http.StatusBadRequest, "PasswordPwned", errors.New("PasswordPwned"))
return
}
if u.Salt, err = models.GetUserSalt(); err != nil {
ctx.Error(http.StatusInternalServerError, "UpdateUser", err)
return

22
routers/user/auth.go
View File

@ -1110,6 +1110,17 @@ func SignUpPost(ctx *context.Context, cpt *captcha.Captcha, form auth.RegisterFo
ctx.RenderWithErr(password.BuildComplexityError(ctx), tplSignUp, &form)
return
}
pwned, err := password.IsPwned(ctx.Req.Context(), form.Password)
if pwned {
errMsg := ctx.Tr("auth.password_pwned")
if err != nil {
log.Error(err.Error())
errMsg = ctx.Tr("auth.password_pwned_err")
}
ctx.Data["Err_Password"] = true
ctx.RenderWithErr(errMsg, tplSignUp, &form)
return
}
u := &models.User{
Name: form.UserName,
@ -1409,6 +1420,16 @@ func ResetPasswdPost(ctx *context.Context) {
ctx.Data["Err_Password"] = true
ctx.RenderWithErr(password.BuildComplexityError(ctx), tplResetPassword, nil)
return
} else if pwned, err := password.IsPwned(ctx.Req.Context(), passwd); pwned || err != nil {
errMsg := ctx.Tr("auth.password_pwned")
if err != nil {
log.Error(err.Error())
errMsg = ctx.Tr("auth.password_pwned_err")
}
ctx.Data["IsResetForm"] = true
ctx.Data["Err_Password"] = true
ctx.RenderWithErr(errMsg, tplResetPassword, nil)
return
}
// Handle two-factor
@ -1443,7 +1464,6 @@ func ResetPasswdPost(ctx *context.Context) {
}
}
}
var err error
if u.Rands, err = models.GetUserSalt(); err != nil {
ctx.ServerError("UpdateUser", err)

7
routers/user/setting/account.go
View File

@ -54,6 +54,13 @@ func AccountPost(ctx *context.Context, form auth.ChangePasswordForm) {
ctx.Flash.Error(ctx.Tr("form.password_not_match"))
} else if !password.IsComplexEnough(form.Password) {
ctx.Flash.Error(password.BuildComplexityError(ctx))
} else if pwned, err := password.IsPwned(ctx.Req.Context(), form.Password); pwned || err != nil {
errMsg := ctx.Tr("auth.password_pwned")
if err != nil {
log.Error(err.Error())
errMsg = ctx.Tr("auth.password_pwned_err")
}
ctx.Flash.Error(errMsg)
} else {
var err error
if ctx.User.Salt, err = models.GetUserSalt(); err != nil {

6
vendor/go.jolheiser.com/pwn/.gitignore generated vendored Normal file
View File

@ -0,0 +1,6 @@
# GoLand
.idea/
# Binaries
/pwn
/pwn.exe

7
vendor/go.jolheiser.com/pwn/LICENSE generated vendored Normal file
View File

@ -0,0 +1,7 @@
Copyright 2020 John Olheiser
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

18
vendor/go.jolheiser.com/pwn/Makefile generated vendored Normal file
View File

@ -0,0 +1,18 @@
GO ?= go
VERSION ?= $(shell git describe --tags --always | sed 's/-/+/' | sed 's/^v//')
.PHONY: fmt
fmt:
$(GO) fmt ./...
.PHONY: test
test:
$(GO) test -race ./...
.PHONY: vet
vet:
$(GO) vet ./...
.PHONY: build
build:
$(GO) build -ldflags '-s -w -X "main.Version=$(VERSION)"' go.jolheiser.com/pwn/cmd/pwn

13
vendor/go.jolheiser.com/pwn/README.md generated vendored Normal file
View File

@ -0,0 +1,13 @@
# Have I Been Pwned
Go library for interacting with [HaveIBeenPwned](https://haveibeenpwned.com/).
Implemented:
* [ ] Breaches
* [ ] Pastes
* [x] Passwords
## License
[MIT](LICENSE)

15
vendor/go.jolheiser.com/pwn/error.go generated vendored Normal file
View File

@ -0,0 +1,15 @@
package pwn
// ErrEmptyPassword is an empty password error
type ErrEmptyPassword struct{}
// Error fulfills the error interface
func (e ErrEmptyPassword) Error() string {
return "password cannot be empty"
}
// IsErrEmptyPassword checks if an error is ErrEmptyPassword
func IsErrEmptyPassword(err error) bool {
_, ok := err.(ErrEmptyPassword)
return ok
}

3
vendor/go.jolheiser.com/pwn/go.mod generated vendored Normal file
View File

@ -0,0 +1,3 @@
module go.jolheiser.com/pwn
go 1.15

62
vendor/go.jolheiser.com/pwn/password.go generated vendored Normal file
View File

@ -0,0 +1,62 @@
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
}

58
vendor/go.jolheiser.com/pwn/pwn.go generated vendored Normal file
View File

@ -0,0 +1,58 @@
package pwn
import (
"context"
"io"
"net/http"
)
const (
libVersion = "0.0.3"
userAgent = "go.jolheiser.com/pwn v" + libVersion
)
// Client is a HaveIBeenPwned client
type Client struct {
ctx context.Context
http *http.Client
}
// New returns a new HaveIBeenPwned Client
func New(options ...ClientOption) *Client {
client := &Client{
ctx: context.Background(),
http: http.DefaultClient,
}
for _, opt := range options {
opt(client)
}
return client
}
// ClientOption is a way to modify a new Client
type ClientOption func(*Client)
// WithHTTP will set the http.Client of a Client
func WithHTTP(httpClient *http.Client) func(pwnClient *Client) {
return func(pwnClient *Client) {
pwnClient.http = httpClient
}
}
// WithContext will set the context.Context of a Client
func WithContext(ctx context.Context) func(pwnClient *Client) {
return func(pwnClient *Client) {
pwnClient.ctx = ctx
}
}
func newRequest(ctx context.Context, method, url string, body io.ReadCloser) (*http.Request, error) {
req, err := http.NewRequestWithContext(ctx, method, url, body)
if err != nil {
return nil, err
}
req.Header.Add("User-Agent", userAgent)
return req, nil
}

3
vendor/modules.txt vendored
View File

@ -760,6 +760,9 @@ github.com/yuin/goldmark-highlighting
github.com/yuin/goldmark-meta
# go.etcd.io/bbolt v1.3.5
go.etcd.io/bbolt
# go.jolheiser.com/pwn v0.0.3
## explicit
go.jolheiser.com/pwn
# go.mongodb.org/mongo-driver v1.3.5
go.mongodb.org/mongo-driver/bson
go.mongodb.org/mongo-driver/bson/bsoncodec