Refactor auth package (#17962)

1 files changed, 346 insertions, 0 deletions

diff --git a/routers/web/auth/password.go b/routers/web/auth/password.go
new file mode 100644
index 0000000000..65d5c55976
--- /dev/null
+++ b/routers/web/auth/password.go
@@ -0,0 +1,346 @@
+// Copyright 2019 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 auth
+
+import (
+	"errors"
+	"net/http"
+
+	"code.gitea.io/gitea/models/auth"
+	"code.gitea.io/gitea/models/db"
+	user_model "code.gitea.io/gitea/models/user"
+	"code.gitea.io/gitea/modules/base"
+	"code.gitea.io/gitea/modules/context"
+	"code.gitea.io/gitea/modules/log"
+	"code.gitea.io/gitea/modules/password"
+	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/timeutil"
+	"code.gitea.io/gitea/modules/web"
+	"code.gitea.io/gitea/modules/web/middleware"
+	"code.gitea.io/gitea/routers/utils"
+	"code.gitea.io/gitea/services/forms"
+	"code.gitea.io/gitea/services/mailer"
+)
+
+var (
+	// tplMustChangePassword template for updating a user's password
+	tplMustChangePassword base.TplName = "user/auth/change_passwd"
+	tplForgotPassword     base.TplName = "user/auth/forgot_passwd"
+	tplResetPassword      base.TplName = "user/auth/reset_passwd"
+)
+
+// ForgotPasswd render the forget password page
+func ForgotPasswd(ctx *context.Context) {
+	ctx.Data["Title"] = ctx.Tr("auth.forgot_password_title")
+
+	if setting.MailService == nil {
+		log.Warn(ctx.Tr("auth.disable_forgot_password_mail_admin"))
+		ctx.Data["IsResetDisable"] = true
+		ctx.HTML(http.StatusOK, tplForgotPassword)
+		return
+	}
+
+	ctx.Data["Email"] = ctx.FormString("email")
+
+	ctx.Data["IsResetRequest"] = true
+	ctx.HTML(http.StatusOK, tplForgotPassword)
+}
+
+// ForgotPasswdPost response for forget password request
+func ForgotPasswdPost(ctx *context.Context) {
+	ctx.Data["Title"] = ctx.Tr("auth.forgot_password_title")
+
+	if setting.MailService == nil {
+		ctx.NotFound("ForgotPasswdPost", nil)
+		return
+	}
+	ctx.Data["IsResetRequest"] = true
+
+	email := ctx.FormString("email")
+	ctx.Data["Email"] = email
+
+	u, err := user_model.GetUserByEmail(email)
+	if err != nil {
+		if user_model.IsErrUserNotExist(err) {
+			ctx.Data["ResetPwdCodeLives"] = timeutil.MinutesToFriendly(setting.Service.ResetPwdCodeLives, ctx.Locale.Language())
+			ctx.Data["IsResetSent"] = true
+			ctx.HTML(http.StatusOK, tplForgotPassword)
+			return
+		}
+
+		ctx.ServerError("user.ResetPasswd(check existence)", err)
+		return
+	}
+
+	if !u.IsLocal() && !u.IsOAuth2() {
+		ctx.Data["Err_Email"] = true
+		ctx.RenderWithErr(ctx.Tr("auth.non_local_account"), tplForgotPassword, nil)
+		return
+	}
+
+	if ctx.Cache.IsExist("MailResendLimit_" + u.LowerName) {
+		ctx.Data["ResendLimited"] = true
+		ctx.HTML(http.StatusOK, tplForgotPassword)
+		return
+	}
+
+	mailer.SendResetPasswordMail(u)
+
+	if err = ctx.Cache.Put("MailResendLimit_"+u.LowerName, u.LowerName, 180); err != nil {
+		log.Error("Set cache(MailResendLimit) fail: %v", err)
+	}
+
+	ctx.Data["ResetPwdCodeLives"] = timeutil.MinutesToFriendly(setting.Service.ResetPwdCodeLives, ctx.Locale.Language())
+	ctx.Data["IsResetSent"] = true
+	ctx.HTML(http.StatusOK, tplForgotPassword)
+}
+
+func commonResetPassword(ctx *context.Context) (*user_model.User, *auth.TwoFactor) {
+	code := ctx.FormString("code")
+
+	ctx.Data["Title"] = ctx.Tr("auth.reset_password")
+	ctx.Data["Code"] = code
+
+	if nil != ctx.User {
+		ctx.Data["user_signed_in"] = true
+	}
+
+	if len(code) == 0 {
+		ctx.Flash.Error(ctx.Tr("auth.invalid_code"))
+		return nil, nil
+	}
+
+	// Fail early, don't frustrate the user
+	u := user_model.VerifyUserActiveCode(code)
+	if u == nil {
+		ctx.Flash.Error(ctx.Tr("auth.invalid_code"))
+		return nil, nil
+	}
+
+	twofa, err := auth.GetTwoFactorByUID(u.ID)
+	if err != nil {
+		if !auth.IsErrTwoFactorNotEnrolled(err) {
+			ctx.Error(http.StatusInternalServerError, "CommonResetPassword", err.Error())
+			return nil, nil
+		}
+	} else {
+		ctx.Data["has_two_factor"] = true
+		ctx.Data["scratch_code"] = ctx.FormBool("scratch_code")
+	}
+
+	// Show the user that they are affecting the account that they intended to
+	ctx.Data["user_email"] = u.Email
+
+	if nil != ctx.User && u.ID != ctx.User.ID {
+		ctx.Flash.Error(ctx.Tr("auth.reset_password_wrong_user", ctx.User.Email, u.Email))
+		return nil, nil
+	}
+
+	return u, twofa
+}
+
+// ResetPasswd render the account recovery page
+func ResetPasswd(ctx *context.Context) {
+	ctx.Data["IsResetForm"] = true
+
+	commonResetPassword(ctx)
+	if ctx.Written() {
+		return
+	}
+
+	ctx.HTML(http.StatusOK, tplResetPassword)
+}
+
+// ResetPasswdPost response from account recovery request
+func ResetPasswdPost(ctx *context.Context) {
+	u, twofa := commonResetPassword(ctx)
+	if ctx.Written() {
+		return
+	}
+
+	if u == nil {
+		// Flash error has been set
+		ctx.HTML(http.StatusOK, tplResetPassword)
+		return
+	}
+
+	// Validate password length.
+	passwd := ctx.FormString("password")
+	if len(passwd) < setting.MinPasswordLength {
+		ctx.Data["IsResetForm"] = true
+		ctx.Data["Err_Password"] = true
+		ctx.RenderWithErr(ctx.Tr("auth.password_too_short", setting.MinPasswordLength), tplResetPassword, nil)
+		return
+	} else if !password.IsComplexEnough(passwd) {
+		ctx.Data["IsResetForm"] = true
+		ctx.Data["Err_Password"] = true
+		ctx.RenderWithErr(password.BuildComplexityError(ctx), tplResetPassword, nil)
+		return
+	} else if pwned, err := password.IsPwned(ctx, 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
+	regenerateScratchToken := false
+	if twofa != nil {
+		if ctx.FormBool("scratch_code") {
+			if !twofa.VerifyScratchToken(ctx.FormString("token")) {
+				ctx.Data["IsResetForm"] = true
+				ctx.Data["Err_Token"] = true
+				ctx.RenderWithErr(ctx.Tr("auth.twofa_scratch_token_incorrect"), tplResetPassword, nil)
+				return
+			}
+			regenerateScratchToken = true
+		} else {
+			passcode := ctx.FormString("passcode")
+			ok, err := twofa.ValidateTOTP(passcode)
+			if err != nil {
+				ctx.Error(http.StatusInternalServerError, "ValidateTOTP", err.Error())
+				return
+			}
+			if !ok || twofa.LastUsedPasscode == passcode {
+				ctx.Data["IsResetForm"] = true
+				ctx.Data["Err_Passcode"] = true
+				ctx.RenderWithErr(ctx.Tr("auth.twofa_passcode_incorrect"), tplResetPassword, nil)
+				return
+			}
+
+			twofa.LastUsedPasscode = passcode
+			if err = auth.UpdateTwoFactor(twofa); err != nil {
+				ctx.ServerError("ResetPasswdPost: UpdateTwoFactor", err)
+				return
+			}
+		}
+	}
+	var err error
+	if u.Rands, err = user_model.GetUserSalt(); err != nil {
+		ctx.ServerError("UpdateUser", err)
+		return
+	}
+	if err = u.SetPassword(passwd); err != nil {
+		ctx.ServerError("UpdateUser", err)
+		return
+	}
+	u.MustChangePassword = false
+	if err := user_model.UpdateUserCols(db.DefaultContext, u, "must_change_password", "passwd", "passwd_hash_algo", "rands", "salt"); err != nil {
+		ctx.ServerError("UpdateUser", err)
+		return
+	}
+
+	log.Trace("User password reset: %s", u.Name)
+	ctx.Data["IsResetFailed"] = true
+	remember := len(ctx.FormString("remember")) != 0
+
+	if regenerateScratchToken {
+		// Invalidate the scratch token.
+		_, err = twofa.GenerateScratchToken()
+		if err != nil {
+			ctx.ServerError("UserSignIn", err)
+			return
+		}
+		if err = auth.UpdateTwoFactor(twofa); err != nil {
+			ctx.ServerError("UserSignIn", err)
+			return
+		}
+
+		handleSignInFull(ctx, u, remember, false)
+		if ctx.Written() {
+			return
+		}
+		ctx.Flash.Info(ctx.Tr("auth.twofa_scratch_used"))
+		ctx.Redirect(setting.AppSubURL + "/user/settings/security")
+		return
+	}
+
+	handleSignIn(ctx, u, remember)
+}
+
+// MustChangePassword renders the page to change a user's password
+func MustChangePassword(ctx *context.Context) {
+	ctx.Data["Title"] = ctx.Tr("auth.must_change_password")
+	ctx.Data["ChangePasscodeLink"] = setting.AppSubURL + "/user/settings/change_password"
+	ctx.Data["MustChangePassword"] = true
+	ctx.HTML(http.StatusOK, tplMustChangePassword)
+}
+
+// MustChangePasswordPost response for updating a user's password after his/her
+// account was created by an admin
+func MustChangePasswordPost(ctx *context.Context) {
+	form := web.GetForm(ctx).(*forms.MustChangePasswordForm)
+	ctx.Data["Title"] = ctx.Tr("auth.must_change_password")
+	ctx.Data["ChangePasscodeLink"] = setting.AppSubURL + "/user/settings/change_password"
+	if ctx.HasError() {
+		ctx.HTML(http.StatusOK, tplMustChangePassword)
+		return
+	}
+	u := ctx.User
+	// Make sure only requests for users who are eligible to change their password via
+	// this method passes through
+	if !u.MustChangePassword {
+		ctx.ServerError("MustUpdatePassword", errors.New("cannot update password.. Please visit the settings page"))
+		return
+	}
+
+	if form.Password != form.Retype {
+		ctx.Data["Err_Password"] = true
+		ctx.RenderWithErr(ctx.Tr("form.password_not_match"), tplMustChangePassword, &form)
+		return
+	}
+
+	if len(form.Password) < setting.MinPasswordLength {
+		ctx.Data["Err_Password"] = true
+		ctx.RenderWithErr(ctx.Tr("auth.password_too_short", setting.MinPasswordLength), tplMustChangePassword, &form)
+		return
+	}
+
+	if !password.IsComplexEnough(form.Password) {
+		ctx.Data["Err_Password"] = true
+		ctx.RenderWithErr(password.BuildComplexityError(ctx), tplMustChangePassword, &form)
+		return
+	}
+	pwned, err := password.IsPwned(ctx, 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, tplMustChangePassword, &form)
+		return
+	}
+
+	if err = u.SetPassword(form.Password); err != nil {
+		ctx.ServerError("UpdateUser", err)
+		return
+	}
+
+	u.MustChangePassword = false
+
+	if err := user_model.UpdateUserCols(db.DefaultContext, u, "must_change_password", "passwd", "passwd_hash_algo", "salt"); err != nil {
+		ctx.ServerError("UpdateUser", err)
+		return
+	}
+
+	ctx.Flash.Success(ctx.Tr("settings.change_password_success"))
+
+	log.Trace("User updated password: %s", u.Name)
+
+	if redirectTo := ctx.GetCookie("redirect_to"); len(redirectTo) > 0 && !utils.IsExternalURL(redirectTo) {
+		middleware.DeleteRedirectToCookie(ctx.Resp)
+		ctx.RedirectToFirst(redirectTo)
+		return
+	}
+
+	ctx.Redirect(setting.AppSubURL + "/")
+}