feat: support IP limitation for user entry pages (#3267)

* feat: support IP limitation for user entry pages

* fix: error message, ip whiteList, check_entry_ip

* fix: perform checks on the backend

* fix: change the implementation of checking IpWhitelist

* fix: add entryIpCheck in SetPassword and remove it from VerifyCode

* fix: remove additional error message pop-ups

* fix: add isRestricted and show ip error in EntryPage.js

* fix: error message

* Update auth.go

* Update check_ip.go

* Update check_ip.go

* fix: update return value of the check function from string to error

* fix: remoteAddress position

* fix: IP whitelist

* fix: clientIp

* fix:add util.GetClientIpFromRequest

* fix: remove duplicate IP and port separation codes and remove extra special characters after clientIp

* fix: gofumpt

* fix: getIpInfo and localhost

---------

Co-authored-by: Yang Luo <hsluoyz@qq.com>

object/application.go

@@ -95,6 +95,7 @@ type Application struct {
 	Tags                  []string        `xorm:"mediumtext" json:"tags"`
 	SamlAttributes        []*SamlItem     `xorm:"varchar(1000)" json:"samlAttributes"`
 	IsShared              bool            `json:"isShared"`
+	IpRestriction         string          `json:"ipRestriction"`
 
 	ClientId             string     `xorm:"varchar(100)" json:"clientId"`
 	ClientSecret         string     `xorm:"varchar(100)" json:"clientSecret"`
@@ -108,6 +109,7 @@ type Application struct {
 	SigninUrl            string     `xorm:"varchar(200)" json:"signinUrl"`
 	ForgetUrl            string     `xorm:"varchar(200)" json:"forgetUrl"`
 	AffiliationUrl       string     `xorm:"varchar(100)" json:"affiliationUrl"`
+	IpWhitelist          string     `xorm:"varchar(200)" json:"ipWhitelist"`
 	TermsOfUse           string     `xorm:"varchar(100)" json:"termsOfUse"`
 	SignupHtml           string     `xorm:"mediumtext" json:"signupHtml"`
 	SigninHtml           string     `xorm:"mediumtext" json:"signinHtml"`

object/check.go

@@ -539,6 +539,11 @@ func CheckUpdateUser(oldUser, user *User, lang string) string {
 			return i18n.Translate(lang, "check:Phone already exists")
 		}
 	}
+	if oldUser.IpWhitelist != user.IpWhitelist {
+		if err := CheckIpWhitelist(user.IpWhitelist, lang); err != nil {
+			return err.Error()
+		}
+	}
 
 	return ""
 }

object/check_ip.go

@@ -0,0 +1,100 @@
+// Copyright 2024 The Casdoor Authors. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package object
+
+import (
+	"fmt"
+	"net"
+	"strings"
+
+	"github.com/casdoor/casdoor/i18n"
+)
+
+func CheckEntryIp(clientIp string, user *User, application *Application, organization *Organization, lang string) error {
+	entryIp := net.ParseIP(clientIp)
+	if entryIp == nil {
+		return fmt.Errorf(i18n.Translate(lang, "check:Failed to parse client IP: %s"), clientIp)
+	} else if entryIp.IsLoopback() {
+		return nil
+	}
+
+	var err error
+	if user != nil {
+		err = isEntryIpAllowd(user.IpWhitelist, entryIp, lang)
+		if err != nil {
+			return fmt.Errorf(err.Error() + user.Name)
+		}
+	}
+
+	if application != nil {
+		err = isEntryIpAllowd(application.IpWhitelist, entryIp, lang)
+		if err != nil {
+			application.IpRestriction = err.Error() + application.Name
+			return fmt.Errorf(err.Error() + application.Name)
+		}
+	}
+
+	if organization == nil && application.OrganizationObj != nil {
+		organization = application.OrganizationObj
+	}
+
+	if organization != nil {
+		err = isEntryIpAllowd(organization.IpWhitelist, entryIp, lang)
+		if err != nil {
+			organization.IpRestriction = err.Error() + organization.Name
+			return fmt.Errorf(err.Error() + organization.Name)
+		}
+	}
+
+	return nil
+}
+
+func isEntryIpAllowd(ipWhitelistStr string, entryIp net.IP, lang string) error {
+	if ipWhitelistStr == "" {
+		return nil
+	}
+
+	ipWhitelist := strings.Split(ipWhitelistStr, ",")
+	for _, ip := range ipWhitelist {
+		_, ipNet, err := net.ParseCIDR(ip)
+		if err != nil {
+			return err
+		}
+		if ipNet == nil {
+			return fmt.Errorf(i18n.Translate(lang, "check:CIDR for IP: %s should not be empty"), entryIp.String())
+		}
+
+		if ipNet.Contains(entryIp) {
+			return nil
+		}
+	}
+
+	return fmt.Errorf(i18n.Translate(lang, "check:Your IP address: %s has been banned according to the configuration of: "), entryIp.String())
+}
+
+func CheckIpWhitelist(ipWhitelistStr string, lang string) error {
+	if ipWhitelistStr == "" {
+		return nil
+	}
+
+	ipWhiteList := strings.Split(ipWhitelistStr, ",")
+	for _, ip := range ipWhiteList {
+		if _, _, err := net.ParseCIDR(ip); err != nil {
+			return fmt.Errorf(i18n.Translate(lang, "check:%s does not meet the CIDR format requirements: %s"), ip, err.Error())
+		}
+	}
+
+	return nil
+}

object/organization.go

@@ -71,11 +71,13 @@ type Organization struct {
 	MasterPassword         string     `xorm:"varchar(100)" json:"masterPassword"`
 	DefaultPassword        string     `xorm:"varchar(100)" json:"defaultPassword"`
 	MasterVerificationCode string     `xorm:"varchar(100)" json:"masterVerificationCode"`
+	IpWhitelist            string     `xorm:"varchar(200)" json:"ipWhitelist"`
 	InitScore              int        `json:"initScore"`
 	EnableSoftDeletion     bool       `json:"enableSoftDeletion"`
 	IsProfilePublic        bool       `json:"isProfilePublic"`
 	UseEmailAsUsername     bool       `json:"useEmailAsUsername"`
 	EnableTour             bool       `json:"enableTour"`
+	IpRestriction          string     `json:"ipRestriction"`
 
 	MfaItems     []*MfaItem     `xorm:"varchar(300)" json:"mfaItems"`
 	AccountItems []*AccountItem `xorm:"varchar(5000)" json:"accountItems"`

object/user.go

@@ -206,6 +206,7 @@ type User struct {
 	ManagedAccounts    []ManagedAccount `xorm:"managedAccounts blob" json:"managedAccounts"`
 	MfaAccounts        []MfaAccount     `xorm:"mfaAccounts blob" json:"mfaAccounts"`
 	NeedUpdatePassword bool             `json:"needUpdatePassword"`
+	IpWhitelist        string           `xorm:"varchar(200)" json:"ipWhitelist"`
 }
 
 type Userinfo struct {
@@ -696,7 +697,7 @@ func UpdateUser(id string, user *User, columns []string, isAdmin bool) (bool, er
 			"eveonline", "fitbit", "gitea", "heroku", "influxcloud", "instagram", "intercom", "kakao", "lastfm", "mailru", "meetup",
 			"microsoftonline", "naver", "nextcloud", "onedrive", "oura", "patreon", "paypal", "salesforce", "shopify", "soundcloud",
 			"spotify", "strava", "stripe", "type", "tiktok", "tumblr", "twitch", "twitter", "typetalk", "uber", "vk", "wepay", "xero", "yahoo",
-			"yammer", "yandex", "zoom", "custom", "need_update_password",
+			"yammer", "yandex", "zoom", "custom", "need_update_password", "ip_whitelist",
 		}
 	}
 	if isAdmin {

object/user_util.go

@@ -557,6 +557,14 @@ func CheckPermissionForUpdateUser(oldUser, newUser *User, isAdmin bool, lang str
 			itemsChanged = append(itemsChanged, item)
 		}
 	}
+	if oldUser.IpWhitelist != newUser.IpWhitelist {
+		item := GetAccountItemByName("IP whitelist", organization)
+		if item == nil {
+			newUser.IpWhitelist = oldUser.IpWhitelist
+		} else {
+			itemsChanged = append(itemsChanged, item)
+		}
+	}
 
 	if oldUser.Balance != newUser.Balance {
 		item := GetAccountItemByName("Balance", organization)