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https://github.com/go-gitea/gitea
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Change EncodePasswd to HashPassword (#3329)
* Change EncodePasswd to HashPassword * Create test+benchmark for HashPassword
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commit
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@ -111,7 +111,7 @@ func runChangePassword(c *cli.Context) error {
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if user.Salt, err = models.GetUserSalt(); err != nil {
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return fmt.Errorf("%v", err)
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}
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user.EncodePasswd()
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user.HashPassword()
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if err := models.UpdateUserCols(user, "passwd", "salt"); err != nil {
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return fmt.Errorf("%v", err)
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}
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@ -388,8 +388,8 @@ func (u *User) NewGitSig() *git.Signature {
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}
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}
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// EncodePasswd encodes password to safe format.
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func (u *User) EncodePasswd() {
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// HashPassword hashes a password using PBKDF.
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func (u *User) HashPassword() {
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newPasswd := pbkdf2.Key([]byte(u.Passwd), []byte(u.Salt), 10000, 50, sha256.New)
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u.Passwd = fmt.Sprintf("%x", newPasswd)
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}
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@ -397,7 +397,7 @@ func (u *User) EncodePasswd() {
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// ValidatePassword checks if given password matches the one belongs to the user.
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func (u *User) ValidatePassword(passwd string) bool {
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newUser := &User{Passwd: passwd, Salt: u.Salt}
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newUser.EncodePasswd()
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newUser.HashPassword()
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return subtle.ConstantTimeCompare([]byte(u.Passwd), []byte(newUser.Passwd)) == 1
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}
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@ -711,7 +711,7 @@ func CreateUser(u *User) (err error) {
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if u.Salt, err = GetUserSalt(); err != nil {
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return err
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}
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u.EncodePasswd()
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u.HashPassword()
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u.AllowCreateOrganization = setting.Service.DefaultAllowCreateOrganization
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u.MaxRepoCreation = -1
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@ -5,6 +5,7 @@
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package models
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import (
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"math/rand"
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"testing"
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"code.gitea.io/gitea/modules/setting"
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@ -123,3 +124,41 @@ func TestDeleteUser(t *testing.T) {
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test(8)
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test(11)
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}
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func TestHashPasswordDeterministic(t *testing.T) {
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b := make([]byte, 16)
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rand.Read(b)
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u := &User{Salt: string(b)}
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for i := 0; i < 50; i++ {
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// generate a random password
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rand.Read(b)
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pass := string(b)
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// save the current password in the user - hash it and store the result
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u.Passwd = pass
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u.HashPassword()
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r1 := u.Passwd
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// run again
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u.Passwd = pass
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u.HashPassword()
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r2 := u.Passwd
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// assert equal (given the same salt+pass, the same result is produced)
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assert.Equal(t, r1, r2)
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}
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}
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func BenchmarkHashPassword(b *testing.B) {
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// BenchmarkHashPassword ensures that it takes a reasonable amount of time
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// to hash a password - in order to protect from brute-force attacks.
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pass := "password1337"
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bs := make([]byte, 16)
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rand.Read(bs)
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u := &User{Salt: string(bs), Passwd: pass}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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u.HashPassword()
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u.Passwd = pass
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}
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}
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@ -200,7 +200,7 @@ func EditUserPost(ctx *context.Context, form auth.AdminEditUserForm) {
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ctx.Handle(500, "UpdateUser", err)
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return
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}
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u.EncodePasswd()
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u.HashPassword()
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}
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u.LoginName = form.LoginName
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@ -132,7 +132,7 @@ func EditUser(ctx *context.APIContext, form api.EditUserOption) {
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ctx.Error(500, "UpdateUser", err)
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return
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}
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u.EncodePasswd()
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u.HashPassword()
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}
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u.LoginName = form.LoginName
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@ -994,7 +994,7 @@ func ResetPasswdPost(ctx *context.Context) {
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ctx.Handle(500, "UpdateUser", err)
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return
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}
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u.EncodePasswd()
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u.HashPassword()
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if err := models.UpdateUserCols(u, "passwd", "rands", "salt"); err != nil {
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ctx.Handle(500, "UpdateUser", err)
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return
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@ -235,7 +235,7 @@ func SettingsSecurityPost(ctx *context.Context, form auth.ChangePasswordForm) {
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ctx.Handle(500, "UpdateUser", err)
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return
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}
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ctx.User.EncodePasswd()
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ctx.User.HashPassword()
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if err := models.UpdateUserCols(ctx.User, "salt", "passwd"); err != nil {
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ctx.Handle(500, "UpdateUser", err)
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return
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