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// Copyright (c) 2016-present Mattermost, Inc. All Rights Reserved.
// See License.txt for license information.
package utils
import (
"net/http"
"strings"
"github.com/mattermost/mattermost-server/model"
)
func IsPasswordValid(password string) *model.AppError {
id := "model.user.is_valid.pwd"
isError := false
min := model.PASSWORD_MINIMUM_LENGTH
if IsLicensed() && *License().Features.PasswordRequirements {
if len(password) < *Cfg.PasswordSettings.MinimumLength || len(password) > model.PASSWORD_MAXIMUM_LENGTH {
isError = true
}
if *Cfg.PasswordSettings.Lowercase {
if !strings.ContainsAny(password, model.LOWERCASE_LETTERS) {
isError = true
}
id = id + "_lowercase"
}
if *Cfg.PasswordSettings.Uppercase {
if !strings.ContainsAny(password, model.UPPERCASE_LETTERS) {
isError = true
}
id = id + "_uppercase"
}
if *Cfg.PasswordSettings.Number {
if !strings.ContainsAny(password, model.NUMBERS) {
isError = true
}
id = id + "_number"
}
if *Cfg.PasswordSettings.Symbol {
if !strings.ContainsAny(password, model.SYMBOLS) {
isError = true
}
id = id + "_symbol"
}
min = *Cfg.PasswordSettings.MinimumLength
} else if len(password) > model.PASSWORD_MAXIMUM_LENGTH || len(password) < model.PASSWORD_MINIMUM_LENGTH {
isError = true
min = model.PASSWORD_MINIMUM_LENGTH
}
if isError {
return model.NewAppError("User.IsValid", id+".app_error", map[string]interface{}{"Min": min}, "", http.StatusBadRequest)
}
return nil
}
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