MM-58847 Sanitize User (#27471)

* add more fields to sanitizeInput on User

* add test for user sanoitizeInput

* add more fields

* remove line, lint fix

* additional fields and sanitize update

* Update user_test.go

* remove fields that are unnecessary to check

* add check to test

---------

Co-authored-by: Mattermost Build <build@mattermost.com>

api/v4/source/users.yaml

@@ -142,6 +142,10 @@
                   type: string
                 nickname:
                   type: string
+                position:
+                  type: string
+                timezone:
+                  $ref: "#/components/schemas/Timezone"
                 auth_data:
                   description: Service-specific authentication data, such as email address.
                   type: string
@@ -911,6 +915,8 @@
                   type: string
                 position:
                   type: string
+                timezone:
+                  $ref: "#/components/schemas/Timezone"
                 props:
                   type: object
                 notify_props:

server/channels/api4/user_test.go

@@ -36,13 +36,27 @@ func TestCreateUser(t *testing.T) {
 	defer th.TearDown()
 
 	user := model.User{
-		Email:         th.GenerateTestEmail(),
-		Nickname:      "Corey Hulen",
-		Password:      "hello1",
-		Username:      GenerateTestUsername(),
-		Roles:         model.SystemAdminRoleId + " " + model.SystemUserRoleId,
-		EmailVerified: true,
-		DeleteAt:      1,
+		Id:       model.NewId(),
+		Email:    th.GenerateTestEmail(),
+		Nickname: "Corey Hulen",
+		Password: "hello1",
+		Username: GenerateTestUsername(),
+	}
+	_, resp, err := th.Client.CreateUser(context.Background(), &user)
+	require.Error(t, err)
+	CheckBadRequestStatus(t, resp)
+
+	user = model.User{
+		Email:          th.GenerateTestEmail(),
+		Nickname:       "Corey Hulen",
+		Password:       "hello1",
+		Username:       GenerateTestUsername(),
+		Roles:          model.SystemAdminRoleId + " " + model.SystemUserRoleId,
+		EmailVerified:  true,
+		DeleteAt:       1,
+		CreateAt:       1,
+		UpdateAt:       1,
+		LastActivityAt: 1,
 	}
 
 	ruser, resp, err := th.Client.CreateUser(context.Background(), &user)
@@ -56,6 +70,9 @@ func TestCreateUser(t *testing.T) {
 	require.Equal(t, user.Nickname, ruser.Nickname, "nickname didn't match")
 	require.Equal(t, model.SystemUserRoleId, ruser.Roles, "did not clear roles")
 	require.Equal(t, int64(0), ruser.DeleteAt, "did not reset deleteAt")
+	require.NotEqual(t, user.UpdateAt, ruser.UpdateAt, "did not reset updateAt")
+	require.NotEqual(t, user.CreateAt, ruser.CreateAt, "did not reset createAt")
+	require.NotEqual(t, user.LastActivityAt, ruser.LastActivityAt, "did not reset LastActivityAt")
 
 	CheckUserSanitization(t, ruser)
 

server/public/model/user.go

@@ -686,6 +686,8 @@ func (u *User) SanitizeInput(isAdmin bool) {
 		u.EmailVerified = false
 	}
 	u.RemoteId = NewString("")
+	u.CreateAt = 0
+	u.UpdateAt = 0
 	u.DeleteAt = 0
 	u.LastPasswordUpdate = 0
 	u.LastPictureUpdate = 0
@@ -693,6 +695,7 @@ func (u *User) SanitizeInput(isAdmin bool) {
 	u.MfaActive = false
 	u.MfaSecret = ""
 	u.Email = strings.TrimSpace(u.Email)
+	u.LastActivityAt = 0
 }
 
 func (u *User) ClearNonProfileFields(asAdmin bool) {

server/public/model/user_test.go

@@ -311,6 +311,52 @@ func TestUserIsValid(t *testing.T) {
 	require.True(t, HasExpectedUserIsValidError(appErr, "roles_limit", user.Id, user.Roles), "expected user is valid error: %s", appErr.Error())
 }
 
+func TestUserSanitizeInput(t *testing.T) {
+	user := User{}
+	user.CreateAt = GetMillis()
+	user.UpdateAt = GetMillis()
+	user.DeleteAt = GetMillis()
+	user.LastPasswordUpdate = GetMillis()
+	user.LastPictureUpdate = GetMillis()
+
+	user.Username = "username"
+	user.Email = "  user@example.com "
+	user.Nickname = "nickname"
+	user.FirstName = "firstname"
+	user.LastName = "lastname"
+	user.RemoteId = NewString(NewId())
+	user.Position = "position"
+	user.Roles = "system_admin"
+	user.AuthData = NewString("authdata")
+	user.AuthService = "saml"
+	user.EmailVerified = true
+	user.FailedAttempts = 10
+	user.LastActivityAt = GetMillis()
+
+	user.SanitizeInput(false)
+
+	// these fields should be reset
+	require.Equal(t, NewString(""), user.AuthData)
+	require.Equal(t, "", user.AuthService)
+	require.False(t, user.EmailVerified)
+	require.Equal(t, NewString(""), user.RemoteId)
+	require.Equal(t, int64(0), user.CreateAt)
+	require.Equal(t, int64(0), user.UpdateAt)
+	require.Equal(t, int64(0), user.DeleteAt)
+	require.Equal(t, int64(0), user.LastPasswordUpdate)
+	require.Equal(t, int64(0), user.LastPictureUpdate)
+	require.Equal(t, int64(0), user.LastActivityAt)
+	require.Equal(t, 0, user.FailedAttempts)
+
+	// these fields should remain intact
+	require.Equal(t, "user@example.com", user.Email)
+	require.Equal(t, "username", user.Username)
+	require.Equal(t, "nickname", user.Nickname)
+	require.Equal(t, "firstname", user.FirstName)
+	require.Equal(t, "lastname", user.LastName)
+	require.Equal(t, "position", user.Position)
+}
+
 func HasExpectedUserIsValidError(err *AppError, fieldName, userId string, fieldValue any) bool {
 	if err == nil {
 		return false