Files
frps-panel/pkg/server/controller/controller.go

599 lines
19 KiB
Go

package controller
import (
"encoding/json"
"errors"
"fmt"
plugin "github.com/fatedier/frp/pkg/plugin/server"
ginI18n "github.com/gin-contrib/i18n"
"github.com/gin-gonic/gin"
"log"
"net/http"
"regexp"
"sort"
"strings"
)
const (
Success = 0
ParamError = 1
UserExist = 2
SaveError = 3
)
var TrimAllSpaceReg = regexp.MustCompile("[\\n\\t\\r\\s]")
var TrimBreakLineReg = regexp.MustCompile("[\\n\\t\\r]")
type Response struct {
Msg string `json:"msg"`
}
type HTTPError struct {
Code int
Err error
}
type CommonInfo struct {
PluginAddr string
PluginPort int
User string
Pwd string
}
type TokenInfo struct {
User string `json:"user" form:"user"`
Token string `json:"token" form:"token"`
Comment string `json:"comment" form:"comment"`
Ports string `json:"ports" from:"ports"`
Domains string `json:"domains" from:"domains"`
Subdomains string `json:"subdomains" from:"subdomains"`
Status bool `json:"status" form:"status"`
}
type TokenResponse struct {
Code int `json:"code"`
Msg string `json:"msg"`
Count int `json:"count"`
Data []TokenInfo `json:"data"`
}
type OperationResponse struct {
Success bool `json:"success"`
Code int `json:"code"`
Message string `json:"message"`
}
type TokenSearch struct {
TokenInfo
Page int `form:"page"`
Limit int `form:"limit"`
}
type TokenUpdate struct {
Before TokenInfo `json:"before"`
After TokenInfo `json:"after"`
}
type TokenRemove struct {
Users []TokenInfo `json:"users"`
}
type TokenDisable struct {
TokenRemove
}
type TokenEnable struct {
TokenDisable
}
func (e *HTTPError) Error() string {
return e.Err.Error()
}
type HandlerFunc func(ctx *gin.Context) (interface{}, error)
func (c *HandleController) MakeHandlerFunc() gin.HandlerFunc {
return func(context *gin.Context) {
var response plugin.Response
var err error
request := plugin.Request{}
if err := context.BindJSON(&request); err != nil {
_ = context.Error(&HTTPError{
Code: http.StatusBadRequest,
Err: err,
})
return
}
jsonStr, err := json.Marshal(request.Content)
if err != nil {
_ = context.Error(&HTTPError{
Code: http.StatusBadRequest,
Err: err,
})
return
}
if request.Op == "Login" {
content := plugin.LoginContent{}
err = json.Unmarshal(jsonStr, &content)
response = c.HandleLogin(&content)
} else if request.Op == "NewProxy" {
content := plugin.NewProxyContent{}
err = json.Unmarshal(jsonStr, &content)
response = c.HandleNewProxy(&content)
} else if request.Op == "Ping" {
content := plugin.PingContent{}
err = json.Unmarshal(jsonStr, &content)
response = c.HandlePing(&content)
} else if request.Op == "NewWorkConn" {
content := plugin.NewWorkConnContent{}
err = json.Unmarshal(jsonStr, &content)
response = c.HandleNewWorkConn(&content)
} else if request.Op == "NewUserConn" {
content := plugin.NewUserConnContent{}
err = json.Unmarshal(jsonStr, &content)
response = c.HandleNewUserConn(&content)
}
if err != nil {
log.Printf("handle %s error: %v", context.Request.URL.Path, err)
var e *HTTPError
switch {
case errors.As(err, &e):
context.JSON(e.Code, &Response{Msg: e.Err.Error()})
default:
context.JSON(http.StatusInternalServerError, &Response{Msg: err.Error()})
}
return
} else {
resStr, _ := json.Marshal(response)
log.Printf("handle:%v , result: %v", request.Op, string(resStr))
}
context.JSON(http.StatusOK, response)
}
}
func (c *HandleController) MakeManagerFunc() func(context *gin.Context) {
return func(context *gin.Context) {
context.HTML(http.StatusOK, "index.html", gin.H{
"UserManage": ginI18n.MustGetMessage(context, "User Manage"),
"User": ginI18n.MustGetMessage(context, "User"),
"Token": ginI18n.MustGetMessage(context, "Token"),
"Notes": ginI18n.MustGetMessage(context, "Notes"),
"Search": ginI18n.MustGetMessage(context, "Search"),
"Reset": ginI18n.MustGetMessage(context, "Reset"),
"NewUser": ginI18n.MustGetMessage(context, "New user"),
"RemoveUser": ginI18n.MustGetMessage(context, "Remove user"),
"DisableUser": ginI18n.MustGetMessage(context, "Disable user"),
"EnableUser": ginI18n.MustGetMessage(context, "Enable user"),
"Remove": ginI18n.MustGetMessage(context, "Remove"),
"Enable": ginI18n.MustGetMessage(context, "Enable"),
"Disable": ginI18n.MustGetMessage(context, "Disable"),
"PleaseInputUserAccount": ginI18n.MustGetMessage(context, "Please input user account"),
"PleaseInputUserToken": ginI18n.MustGetMessage(context, "Please input user token"),
"PleaseInputUserNotes": ginI18n.MustGetMessage(context, "Please input user notes"),
"AllowedPorts": ginI18n.MustGetMessage(context, "Allowed ports"),
"PleaseInputAllowedPorts": ginI18n.MustGetMessage(context, "Please input allowed ports"),
"AllowedDomains": ginI18n.MustGetMessage(context, "Allowed domains"),
"PleaseInputAllowedDomains": ginI18n.MustGetMessage(context, "Please input allowed domains"),
"AllowedSubdomains": ginI18n.MustGetMessage(context, "Allowed subdomains"),
"PleaseInputAllowedSubdomains": ginI18n.MustGetMessage(context, "Please input allowed subdomains"),
"NotLimit": ginI18n.MustGetMessage(context, "Not limit"),
"None": ginI18n.MustGetMessage(context, "None"),
})
}
}
func (c *HandleController) MakeLangFunc() func(context *gin.Context) {
return func(context *gin.Context) {
context.JSON(http.StatusOK, gin.H{
"User": ginI18n.MustGetMessage(context, "User"),
"Token": ginI18n.MustGetMessage(context, "Token"),
"Notes": ginI18n.MustGetMessage(context, "Notes"),
"Status": ginI18n.MustGetMessage(context, "Status"),
"Operation": ginI18n.MustGetMessage(context, "Operation"),
"Enable": ginI18n.MustGetMessage(context, "Enable"),
"Disable": ginI18n.MustGetMessage(context, "Disable"),
"NewUser": ginI18n.MustGetMessage(context, "New user"),
"Confirm": ginI18n.MustGetMessage(context, "Confirm"),
"Cancel": ginI18n.MustGetMessage(context, "Cancel"),
"RemoveUser": ginI18n.MustGetMessage(context, "Remove user"),
"DisableUser": ginI18n.MustGetMessage(context, "Disable user"),
"ConfirmRemoveUser": ginI18n.MustGetMessage(context, "Confirm to remove user"),
"ConfirmDisableUser": ginI18n.MustGetMessage(context, "Confirm to disable user"),
"TakeTimeMakeEffective": ginI18n.MustGetMessage(context, "will take sometime to make effective"),
"ConfirmEnableUser": ginI18n.MustGetMessage(context, "Confirm to enable user"),
"OperateSuccess": ginI18n.MustGetMessage(context, "Operate success"),
"OperateError": ginI18n.MustGetMessage(context, "Operate error"),
"OperateFailed": ginI18n.MustGetMessage(context, "Operate failed"),
"UserExist": ginI18n.MustGetMessage(context, "User exist"),
"TokenEmpty": ginI18n.MustGetMessage(context, "Token cannot be empty"),
"ShouldCheckUser": ginI18n.MustGetMessage(context, "Please check at least one user"),
"OperationConfirm": ginI18n.MustGetMessage(context, "Operation confirm"),
"EmptyData": ginI18n.MustGetMessage(context, "Empty data"),
"AllowedPorts": ginI18n.MustGetMessage(context, "Allowed ports"),
"AllowedDomains": ginI18n.MustGetMessage(context, "Allowed domains"),
"AllowedSubdomains": ginI18n.MustGetMessage(context, "Allowed subdomains"),
"PortsInvalid": ginI18n.MustGetMessage(context, "Ports is invalid"),
"DomainsInvalid": ginI18n.MustGetMessage(context, "Domains is invalid"),
"SubdomainsInvalid": ginI18n.MustGetMessage(context, "Subdomains is invalid"),
"CommentInvalid": ginI18n.MustGetMessage(context, "Comment is invalid"),
})
}
}
func (c *HandleController) MakeQueryTokensFunc() func(context *gin.Context) {
return func(context *gin.Context) {
search := TokenSearch{}
search.Limit = 0
err := context.BindQuery(&search)
if err != nil {
return
}
var tokenList []TokenInfo
for _, tokenInfo := range c.Tokens {
tokenList = append(tokenList, tokenInfo)
}
sort.Slice(tokenList, func(i, j int) bool {
return strings.Compare(tokenList[i].User, tokenList[j].User) < 0
})
var filtered []TokenInfo
for _, tokenInfo := range tokenList {
if filter(tokenInfo, search.TokenInfo) {
filtered = append(filtered, tokenInfo)
}
}
if filtered == nil {
filtered = []TokenInfo{}
}
count := len(filtered)
if search.Limit > 0 {
start := max((search.Page-1)*search.Limit, 0)
end := min(search.Page*search.Limit, len(filtered))
filtered = filtered[start:end]
}
context.JSON(http.StatusOK, &TokenResponse{
Code: 0,
Msg: "query Tokens success",
Count: count,
Data: filtered,
})
}
}
func filter(main TokenInfo, sub TokenInfo) bool {
replaceSpaceUser := TrimAllSpaceReg.ReplaceAllString(sub.User, "")
if len(replaceSpaceUser) != 0 {
if !strings.Contains(main.User, replaceSpaceUser) {
return false
}
}
replaceSpaceToken := TrimAllSpaceReg.ReplaceAllString(sub.Token, "")
if len(replaceSpaceToken) != 0 {
if !strings.Contains(main.Token, replaceSpaceToken) {
return false
}
}
replaceSpaceComment := TrimAllSpaceReg.ReplaceAllString(sub.Comment, "")
if len(replaceSpaceComment) != 0 {
if !strings.Contains(main.Comment, replaceSpaceComment) {
return false
}
}
return true
}
func (c *HandleController) MakeAddTokenFunc() func(context *gin.Context) {
return func(context *gin.Context) {
info := TokenInfo{
Status: true,
}
response := OperationResponse{
Success: true,
Code: Success,
Message: "user add success",
}
err := context.BindJSON(&info)
if err != nil {
log.Printf("user add failed, param error : %v", err)
response.Success = false
response.Code = ParamError
response.Message = "user add failed, param error "
context.JSON(http.StatusOK, &response)
return
}
if _, exist := c.Tokens[info.User]; exist {
log.Printf("user add failed, user [%v] exist", info.User)
response.Success = false
response.Code = UserExist
response.Message = fmt.Sprintf("user add failed, user [%s] exist ", info.User)
context.JSON(http.StatusOK, &response)
return
}
c.Tokens[info.User] = info
usersSection, _ := c.IniFile.GetSection("users")
key, err := usersSection.NewKey(info.User, info.Token)
key.Comment = info.Comment
replaceSpacePorts := TrimAllSpaceReg.ReplaceAllString(info.Ports, "")
if len(replaceSpacePorts) != 0 {
portsSection, _ := c.IniFile.GetSection("ports")
key, err = portsSection.NewKey(info.User, replaceSpacePorts)
key.Comment = fmt.Sprintf("user %s allowed ports", info.User)
}
replaceSpaceDomains := TrimAllSpaceReg.ReplaceAllString(info.Domains, "")
if len(replaceSpaceDomains) != 0 {
domainsSection, _ := c.IniFile.GetSection("domains")
key, err = domainsSection.NewKey(info.User, replaceSpaceDomains)
key.Comment = fmt.Sprintf("user %s allowed domains", info.User)
}
replaceSpaceSubdomains := TrimAllSpaceReg.ReplaceAllString(info.Subdomains, "")
if len(replaceSpaceSubdomains) != 0 {
subdomainsSection, _ := c.IniFile.GetSection("subdomains")
key, err = subdomainsSection.NewKey(info.User, replaceSpaceSubdomains)
key.Comment = fmt.Sprintf("user %s allowed subdomains", info.User)
}
err = c.IniFile.SaveTo(c.ConfigFile)
if err != nil {
log.Printf("add failed, error : %v", err)
response.Success = false
response.Code = SaveError
response.Message = "user add failed"
context.JSON(http.StatusOK, &response)
return
}
context.JSON(0, &response)
}
}
func (c *HandleController) MakeUpdateTokensFunc() func(context *gin.Context) {
return func(context *gin.Context) {
response := OperationResponse{
Success: true,
Code: Success,
Message: "user update success",
}
update := TokenUpdate{}
err := context.BindJSON(&update)
if err != nil {
log.Printf("update failed, param error : %v", err)
response.Success = false
response.Code = ParamError
response.Message = "user update failed, param error "
context.JSON(http.StatusOK, &response)
return
}
after := update.After
before := update.Before
usersSection, _ := c.IniFile.GetSection("users")
key, err := usersSection.GetKey(before.User)
comment := TrimBreakLineReg.ReplaceAllString(after.Comment, "")
after.Comment = comment
key.Comment = comment
key.SetValue(after.Token)
if before.Ports != after.Ports {
portsSection, _ := c.IniFile.GetSection("ports")
replaceSpacePorts := TrimAllSpaceReg.ReplaceAllString(after.Ports, "")
after.Ports = replaceSpacePorts
ports := strings.Split(replaceSpacePorts, ",")
if len(replaceSpacePorts) != 0 {
key, err = portsSection.NewKey(after.User, replaceSpacePorts)
key.Comment = fmt.Sprintf("user %s allowed ports", after.User)
c.Ports[after.User] = ports
} else {
portsSection.DeleteKey(after.User)
delete(c.Ports, after.User)
}
}
if before.Domains != after.Domains {
domainsSection, _ := c.IniFile.GetSection("domains")
replaceSpaceDomains := TrimAllSpaceReg.ReplaceAllString(after.Domains, "")
after.Domains = replaceSpaceDomains
domains := strings.Split(replaceSpaceDomains, ",")
if len(replaceSpaceDomains) != 0 {
key, err = domainsSection.NewKey(after.User, replaceSpaceDomains)
key.Comment = fmt.Sprintf("user %s allowed domains", after.User)
c.Domains[after.User] = domains
} else {
domainsSection.DeleteKey(after.User)
delete(c.Domains, after.User)
}
}
if before.Subdomains != after.Subdomains {
subdomainsSection, _ := c.IniFile.GetSection("subdomains")
replaceSpaceSubdomains := TrimAllSpaceReg.ReplaceAllString(after.Subdomains, "")
after.Subdomains = replaceSpaceSubdomains
subdomains := strings.Split(replaceSpaceSubdomains, ",")
if len(replaceSpaceSubdomains) != 0 {
key, err = subdomainsSection.NewKey(after.User, replaceSpaceSubdomains)
key.Comment = fmt.Sprintf("user %s allowed subdomains", after.User)
c.Subdomains[after.User] = subdomains
} else {
subdomainsSection.DeleteKey(after.User)
delete(c.Subdomains, after.User)
}
}
c.Tokens[after.User] = after
err = c.IniFile.SaveTo(c.ConfigFile)
if err != nil {
log.Printf("user update failed, error : %v", err)
response.Success = false
response.Code = SaveError
response.Message = "user update failed"
context.JSON(http.StatusOK, &response)
return
}
context.JSON(http.StatusOK, &response)
}
}
func (c *HandleController) MakeRemoveTokensFunc() func(context *gin.Context) {
return func(context *gin.Context) {
response := OperationResponse{
Success: true,
Code: Success,
Message: "user remove success",
}
remove := TokenRemove{}
err := context.BindJSON(&remove)
if err != nil {
log.Printf("user remove failed, param error : %v", err)
response.Success = false
response.Code = ParamError
response.Message = "user remove failed, param error "
context.JSON(http.StatusOK, &response)
return
}
usersSection, _ := c.IniFile.GetSection("users")
for _, user := range remove.Users {
delete(c.Tokens, user.User)
usersSection.DeleteKey(user.User)
}
portsSection, _ := c.IniFile.GetSection("ports")
for _, user := range remove.Users {
delete(c.Ports, user.User)
portsSection.DeleteKey(user.User)
}
domainsSection, _ := c.IniFile.GetSection("domains")
for _, user := range remove.Users {
delete(c.Domains, user.User)
domainsSection.DeleteKey(user.User)
}
subdomainsSection, _ := c.IniFile.GetSection("subdomains")
for _, user := range remove.Users {
delete(c.Subdomains, user.User)
subdomainsSection.DeleteKey(user.User)
}
err = c.IniFile.SaveTo(c.ConfigFile)
if err != nil {
log.Printf("user remove failed, error : %v", err)
response.Success = false
response.Code = SaveError
response.Message = "user remove failed"
context.JSON(http.StatusOK, &response)
return
}
context.JSON(http.StatusOK, &response)
}
}
func (c *HandleController) MakeDisableTokensFunc() func(context *gin.Context) {
return func(context *gin.Context) {
response := OperationResponse{
Success: true,
Code: Success,
Message: "remove success",
}
disable := TokenDisable{}
err := context.BindJSON(&disable)
if err != nil {
log.Printf("disable failed, param error : %v", err)
response.Success = false
response.Code = ParamError
response.Message = "disable failed, param error "
context.JSON(http.StatusOK, &response)
return
}
section, _ := c.IniFile.GetSection("disabled")
for _, user := range disable.Users {
section.DeleteKey(user.User)
token := c.Tokens[user.User]
token.Status = false
c.Tokens[user.User] = token
key, err := section.NewKey(user.User, "disable")
if err != nil {
log.Printf("disable failed, error : %v", err)
response.Success = false
response.Code = SaveError
response.Message = "disable failed"
context.JSON(http.StatusOK, &response)
return
}
key.Comment = fmt.Sprintf("disable user '%s'", user.User)
}
err = c.IniFile.SaveTo(c.ConfigFile)
if err != nil {
log.Printf("disable failed, error : %v", err)
response.Success = false
response.Code = SaveError
response.Message = "disable failed"
context.JSON(http.StatusOK, &response)
return
}
context.JSON(http.StatusOK, &response)
}
}
func (c *HandleController) MakeEnableTokensFunc() func(context *gin.Context) {
return func(context *gin.Context) {
response := OperationResponse{
Success: true,
Code: Success,
Message: "remove success",
}
enable := TokenEnable{}
err := context.BindJSON(&enable)
if err != nil {
log.Printf("enable failed, param error : %v", err)
response.Success = false
response.Code = ParamError
response.Message = "enable failed, param error "
context.JSON(http.StatusOK, &response)
return
}
section, _ := c.IniFile.GetSection("disabled")
for _, user := range enable.Users {
section.DeleteKey(user.User)
token := c.Tokens[user.User]
token.Status = true
c.Tokens[user.User] = token
}
err = c.IniFile.SaveTo(c.ConfigFile)
if err != nil {
log.Printf("enable failed, error : %v", err)
response.Success = false
response.Code = SaveError
response.Message = "enable failed"
context.JSON(http.StatusOK, &response)
return
}
context.JSON(http.StatusOK, &response)
}
}