1212 lines
38 KiB
Go
1212 lines
38 KiB
Go
package handler
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import (
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"crypto/subtle"
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"encoding/base64"
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"encoding/json"
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"fmt"
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"io/fs"
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"net/http"
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"os"
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"regexp"
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"sort"
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"strconv"
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"strings"
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"time"
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"github.com/gorilla/sessions"
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"github.com/labstack/echo-contrib/session"
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"github.com/labstack/echo/v4"
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"github.com/labstack/gommon/log"
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"github.com/rs/xid"
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"github.com/skip2/go-qrcode"
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"golang.zx2c4.com/wireguard/wgctrl"
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"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
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"github.com/ngoduykhanh/wireguard-ui/emailer"
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"github.com/ngoduykhanh/wireguard-ui/model"
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"github.com/ngoduykhanh/wireguard-ui/store"
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"github.com/ngoduykhanh/wireguard-ui/telegram"
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"github.com/ngoduykhanh/wireguard-ui/util"
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)
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var usernameRegexp = regexp.MustCompile("^\\w[\\w\\-.]*$")
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// Health check handler
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func Health() echo.HandlerFunc {
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return func(c echo.Context) error {
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return c.String(http.StatusOK, "ok")
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}
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}
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func Favicon() echo.HandlerFunc {
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return func(c echo.Context) error {
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if favicon, ok := os.LookupEnv(util.FaviconFilePathEnvVar); ok {
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return c.File(favicon)
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}
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return c.Redirect(http.StatusFound, util.BasePath+"/static/custom/img/favicon.ico")
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}
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}
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// LoginPage handler
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func LoginPage() echo.HandlerFunc {
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return func(c echo.Context) error {
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return c.Render(http.StatusOK, "login.html", map[string]interface{}{})
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}
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}
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// Login for signing in handler
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func Login(db store.IStore) echo.HandlerFunc {
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return func(c echo.Context) error {
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data := make(map[string]interface{})
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err := json.NewDecoder(c.Request().Body).Decode(&data)
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if err != nil {
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return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Bad post data"})
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}
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username := data["username"].(string)
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password := data["password"].(string)
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rememberMe := data["rememberMe"].(bool)
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if !usernameRegexp.MatchString(username) {
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return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Please provide a valid username"})
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}
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dbuser, err := db.GetUserByName(username)
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if err != nil {
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log.Infof("Cannot query user %s from DB", username)
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return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "Invalid credentials"})
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}
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userCorrect := subtle.ConstantTimeCompare([]byte(username), []byte(dbuser.Username)) == 1
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var passwordCorrect bool
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if dbuser.PasswordHash != "" {
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match, err := util.VerifyHash(dbuser.PasswordHash, password)
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if err != nil {
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return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "Cannot verify password"})
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}
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passwordCorrect = match
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} else {
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passwordCorrect = subtle.ConstantTimeCompare([]byte(password), []byte(dbuser.Password)) == 1
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}
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if userCorrect && passwordCorrect {
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ageMax := 0
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if rememberMe {
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ageMax = 86400 * 7
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}
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cookiePath := util.GetCookiePath()
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sess, _ := session.Get("session", c)
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sess.Options = &sessions.Options{
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Path: cookiePath,
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MaxAge: ageMax,
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HttpOnly: true,
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SameSite: http.SameSiteLaxMode,
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}
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// set session_token
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tokenUID := xid.New().String()
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now := time.Now().UTC().Unix()
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sess.Values["username"] = dbuser.Username
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sess.Values["user_hash"] = util.GetDBUserCRC32(dbuser)
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sess.Values["admin"] = dbuser.Admin
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sess.Values["session_token"] = tokenUID
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sess.Values["max_age"] = ageMax
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sess.Values["created_at"] = now
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sess.Values["updated_at"] = now
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sess.Save(c.Request(), c.Response())
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// set session_token in cookie
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cookie := new(http.Cookie)
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cookie.Name = "session_token"
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cookie.Path = cookiePath
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cookie.Value = tokenUID
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cookie.MaxAge = ageMax
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cookie.HttpOnly = true
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cookie.SameSite = http.SameSiteLaxMode
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c.SetCookie(cookie)
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return c.JSON(http.StatusOK, jsonHTTPResponse{true, "Logged in successfully"})
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}
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return c.JSON(http.StatusUnauthorized, jsonHTTPResponse{false, "Invalid credentials"})
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}
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}
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// GetUsers handler return a JSON list of all users
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func GetUsers(db store.IStore) echo.HandlerFunc {
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return func(c echo.Context) error {
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usersList, err := db.GetUsers()
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if err != nil {
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return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{
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false, fmt.Sprintf("Cannot get user list: %v", err),
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})
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}
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return c.JSON(http.StatusOK, usersList)
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}
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}
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// GetUser handler returns a JSON object of single user
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func GetUser(db store.IStore) echo.HandlerFunc {
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return func(c echo.Context) error {
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username := c.Param("username")
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if !usernameRegexp.MatchString(username) {
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return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Please provide a valid username"})
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}
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if !isAdmin(c) && (username != currentUser(c)) {
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return c.JSON(http.StatusForbidden, jsonHTTPResponse{false, "Manager cannot access other user data"})
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}
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userData, err := db.GetUserByName(username)
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if err != nil {
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return c.JSON(http.StatusNotFound, jsonHTTPResponse{false, "User not found"})
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}
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return c.JSON(http.StatusOK, userData)
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}
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}
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// Logout to log a user out
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func Logout() echo.HandlerFunc {
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return func(c echo.Context) error {
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clearSession(c)
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return c.Redirect(http.StatusTemporaryRedirect, util.BasePath+"/login")
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}
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}
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// LoadProfile to load user information
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func LoadProfile() echo.HandlerFunc {
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return func(c echo.Context) error {
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return c.Render(http.StatusOK, "profile.html", map[string]interface{}{
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"baseData": model.BaseData{Active: "profile", CurrentUser: currentUser(c), Admin: isAdmin(c)},
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})
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}
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}
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// UsersSettings handler
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func UsersSettings() echo.HandlerFunc {
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return func(c echo.Context) error {
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return c.Render(http.StatusOK, "users_settings.html", map[string]interface{}{
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"baseData": model.BaseData{Active: "users-settings", CurrentUser: currentUser(c), Admin: isAdmin(c)},
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})
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}
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}
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// UpdateUser to update user information
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func UpdateUser(db store.IStore) echo.HandlerFunc {
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return func(c echo.Context) error {
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data := make(map[string]interface{})
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err := json.NewDecoder(c.Request().Body).Decode(&data)
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if err != nil {
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return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Bad post data"})
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}
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username := data["username"].(string)
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password := data["password"].(string)
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previousUsername := data["previous_username"].(string)
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admin := data["admin"].(bool)
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if !isAdmin(c) && (previousUsername != currentUser(c)) {
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return c.JSON(http.StatusForbidden, jsonHTTPResponse{false, "Manager cannot access other user data"})
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}
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if !isAdmin(c) {
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admin = false
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}
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if !usernameRegexp.MatchString(previousUsername) {
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return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Please provide a valid username"})
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}
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user, err := db.GetUserByName(previousUsername)
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if err != nil {
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return c.JSON(http.StatusNotFound, jsonHTTPResponse{false, err.Error()})
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}
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if username == "" || !usernameRegexp.MatchString(username) {
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return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Please provide a valid username"})
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} else {
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user.Username = username
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}
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if username != previousUsername {
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_, err := db.GetUserByName(username)
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if err == nil {
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return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "This username is taken"})
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}
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}
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if password != "" {
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hash, err := util.HashPassword(password)
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if err != nil {
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return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, err.Error()})
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}
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user.PasswordHash = hash
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}
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if previousUsername != currentUser(c) {
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user.Admin = admin
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}
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if err := db.DeleteUser(previousUsername); err != nil {
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return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, err.Error()})
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}
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if err := db.SaveUser(user); err != nil {
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return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, err.Error()})
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}
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log.Infof("Updated user information successfully")
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if previousUsername == currentUser(c) {
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setUser(c, user.Username, user.Admin, util.GetDBUserCRC32(user))
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}
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return c.JSON(http.StatusOK, jsonHTTPResponse{true, "Updated user information successfully"})
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}
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}
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// CreateUser to create new user
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func CreateUser(db store.IStore) echo.HandlerFunc {
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return func(c echo.Context) error {
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data := make(map[string]interface{})
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err := json.NewDecoder(c.Request().Body).Decode(&data)
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if err != nil {
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return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Bad post data"})
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}
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var user model.User
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username := data["username"].(string)
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password := data["password"].(string)
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admin := data["admin"].(bool)
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if username == "" || !usernameRegexp.MatchString(username) {
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return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Please provide a valid username"})
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} else {
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user.Username = username
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}
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{
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_, err := db.GetUserByName(username)
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if err == nil {
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return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "This username is taken"})
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}
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}
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hash, err := util.HashPassword(password)
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if err != nil {
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return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, err.Error()})
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}
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user.PasswordHash = hash
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user.Admin = admin
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if err := db.SaveUser(user); err != nil {
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return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, err.Error()})
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}
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log.Infof("Created user successfully")
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return c.JSON(http.StatusOK, jsonHTTPResponse{true, "Created user successfully"})
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}
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}
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// RemoveUser handler
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func RemoveUser(db store.IStore) echo.HandlerFunc {
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return func(c echo.Context) error {
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data := make(map[string]interface{})
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err := json.NewDecoder(c.Request().Body).Decode(&data)
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if err != nil {
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return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Bad post data"})
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}
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username := data["username"].(string)
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if !usernameRegexp.MatchString(username) {
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return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Please provide a valid username"})
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}
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if username == currentUser(c) {
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return c.JSON(http.StatusForbidden, jsonHTTPResponse{false, "User cannot delete itself"})
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}
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// delete user from database
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if err := db.DeleteUser(username); err != nil {
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log.Error("Cannot delete user: ", err)
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return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "Cannot delete user from database"})
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}
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log.Infof("Removed user: %s", username)
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return c.JSON(http.StatusOK, jsonHTTPResponse{true, "User removed"})
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}
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}
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// WireGuardClients handler
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func WireGuardClients(db store.IStore) echo.HandlerFunc {
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return func(c echo.Context) error {
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clientDataList, err := db.GetClients(true)
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if err != nil {
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return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{
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false, fmt.Sprintf("Cannot get client list: %v", err),
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})
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}
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return c.Render(http.StatusOK, "clients.html", map[string]interface{}{
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"baseData": model.BaseData{Active: "", CurrentUser: currentUser(c), Admin: isAdmin(c)},
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"clientDataList": clientDataList,
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})
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}
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}
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// GetClients handler return a JSON list of Wireguard client data
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func GetClients(db store.IStore) echo.HandlerFunc {
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return func(c echo.Context) error {
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clientDataList, err := db.GetClients(true)
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if err != nil {
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return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{
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false, fmt.Sprintf("Cannot get client list: %v", err),
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})
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}
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for i, clientData := range clientDataList {
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clientDataList[i] = util.FillClientSubnetRange(clientData)
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}
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return c.JSON(http.StatusOK, clientDataList)
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}
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}
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// GetClient handler returns a JSON object of Wireguard client data
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func GetClient(db store.IStore) echo.HandlerFunc {
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return func(c echo.Context) error {
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clientID := c.Param("id")
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if _, err := xid.FromString(clientID); err != nil {
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return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Please provide a valid client ID"})
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}
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qrCodeSettings := model.QRCodeSettings{
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Enabled: true,
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IncludeDNS: true,
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IncludeMTU: true,
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}
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clientData, err := db.GetClientByID(clientID, qrCodeSettings)
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if err != nil {
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return c.JSON(http.StatusNotFound, jsonHTTPResponse{false, "Client not found"})
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}
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return c.JSON(http.StatusOK, util.FillClientSubnetRange(clientData))
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}
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}
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// NewClient handler
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func NewClient(db store.IStore) echo.HandlerFunc {
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return func(c echo.Context) error {
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var client model.Client
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c.Bind(&client)
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// Validate Telegram userid if provided
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if client.TgUserid != "" {
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idNum, err := strconv.ParseInt(client.TgUserid, 10, 64)
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if err != nil || idNum == 0 {
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return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Telegram userid must be a non-zero number"})
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}
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}
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// read server information
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server, err := db.GetServer()
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if err != nil {
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log.Error("Cannot fetch server from database: ", err)
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return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, err.Error()})
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}
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|
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// validate the input Allocation IPs
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allocatedIPs, err := util.GetAllocatedIPs("")
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check, err := util.ValidateIPAllocation(server.Interface.Addresses, allocatedIPs, client.AllocatedIPs)
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if !check {
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return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, fmt.Sprintf("%s", err)})
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}
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// validate the input AllowedIPs
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if util.ValidateAllowedIPs(client.AllowedIPs) == false {
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log.Warnf("Invalid Allowed IPs input from user: %v", client.AllowedIPs)
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return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Allowed IPs must be in CIDR format"})
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}
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|
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// validate extra AllowedIPs
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if util.ValidateExtraAllowedIPs(client.ExtraAllowedIPs) == false {
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log.Warnf("Invalid Extra AllowedIPs input from user: %v", client.ExtraAllowedIPs)
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return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Extra AllowedIPs must be in CIDR format"})
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}
|
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|
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// gen ID
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guid := xid.New()
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client.ID = guid.String()
|
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|
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// gen Wireguard key pair
|
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if client.PublicKey == "" {
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key, err := wgtypes.GeneratePrivateKey()
|
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if err != nil {
|
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log.Error("Cannot generate wireguard key pair: ", err)
|
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return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "Cannot generate Wireguard key pair"})
|
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}
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client.PrivateKey = key.String()
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client.PublicKey = key.PublicKey().String()
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} else {
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_, err := wgtypes.ParseKey(client.PublicKey)
|
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if err != nil {
|
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log.Error("Cannot verify wireguard public key: ", err)
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return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "Cannot verify Wireguard public key"})
|
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}
|
|
// check for duplicates
|
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clients, err := db.GetClients(false)
|
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if err != nil {
|
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log.Error("Cannot get clients for duplicate check")
|
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return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "Cannot get clients for duplicate check"})
|
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}
|
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for _, other := range clients {
|
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if other.Client.PublicKey == client.PublicKey {
|
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log.Error("Duplicate Public Key")
|
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return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "Duplicate Public Key"})
|
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}
|
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}
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|
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}
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|
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if client.PresharedKey == "" {
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presharedKey, err := wgtypes.GenerateKey()
|
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if err != nil {
|
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log.Error("Cannot generated preshared key: ", err)
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return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{
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false, "Cannot generate Wireguard preshared key",
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})
|
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}
|
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client.PresharedKey = presharedKey.String()
|
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} else if client.PresharedKey == "-" {
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client.PresharedKey = ""
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log.Infof("skipped PresharedKey generation for user: %v", client.Name)
|
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} else {
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_, err := wgtypes.ParseKey(client.PresharedKey)
|
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if err != nil {
|
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log.Error("Cannot verify wireguard preshared key: ", err)
|
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return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "Cannot verify Wireguard preshared key"})
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}
|
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}
|
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client.CreatedAt = time.Now().UTC()
|
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client.UpdatedAt = client.CreatedAt
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|
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// write client to the database
|
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if err := db.SaveClient(client); err != nil {
|
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return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{
|
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false, err.Error(),
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})
|
|
}
|
|
log.Infof("Created wireguard client: %v", client)
|
|
|
|
return c.JSON(http.StatusOK, client)
|
|
}
|
|
}
|
|
|
|
// EmailClient handler to send the configuration via email
|
|
func EmailClient(db store.IStore, mailer emailer.Emailer, emailSubject, emailContent string) echo.HandlerFunc {
|
|
type clientIdEmailPayload struct {
|
|
ID string `json:"id"`
|
|
Email string `json:"email"`
|
|
}
|
|
|
|
return func(c echo.Context) error {
|
|
var payload clientIdEmailPayload
|
|
c.Bind(&payload)
|
|
// TODO validate email
|
|
|
|
if _, err := xid.FromString(payload.ID); err != nil {
|
|
return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Please provide a valid client ID"})
|
|
}
|
|
|
|
qrCodeSettings := model.QRCodeSettings{
|
|
Enabled: true,
|
|
IncludeDNS: true,
|
|
IncludeMTU: true,
|
|
}
|
|
clientData, err := db.GetClientByID(payload.ID, qrCodeSettings)
|
|
if err != nil {
|
|
log.Errorf("Cannot generate client id %s config file for downloading: %v", payload.ID, err)
|
|
return c.JSON(http.StatusNotFound, jsonHTTPResponse{false, "Client not found"})
|
|
}
|
|
|
|
// build config
|
|
server, _ := db.GetServer()
|
|
globalSettings, _ := db.GetGlobalSettings()
|
|
config := util.BuildClientConfig(*clientData.Client, server, globalSettings)
|
|
|
|
cfgAtt := emailer.Attachment{"wg0.conf", []byte(config)}
|
|
var attachments []emailer.Attachment
|
|
if clientData.Client.PrivateKey != "" {
|
|
qrdata, err := base64.StdEncoding.DecodeString(strings.TrimPrefix(clientData.QRCode, "data:image/png;base64,"))
|
|
if err != nil {
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "decoding: " + err.Error()})
|
|
}
|
|
qrAtt := emailer.Attachment{"wg.png", qrdata}
|
|
attachments = []emailer.Attachment{cfgAtt, qrAtt}
|
|
} else {
|
|
attachments = []emailer.Attachment{cfgAtt}
|
|
}
|
|
err = mailer.Send(
|
|
clientData.Client.Name,
|
|
payload.Email,
|
|
emailSubject,
|
|
emailContent,
|
|
attachments,
|
|
)
|
|
|
|
if err != nil {
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, err.Error()})
|
|
}
|
|
|
|
return c.JSON(http.StatusOK, jsonHTTPResponse{true, "Email sent successfully"})
|
|
}
|
|
}
|
|
|
|
// SendTelegramClient handler to send the configuration via Telegram
|
|
func SendTelegramClient(db store.IStore) echo.HandlerFunc {
|
|
type clientIdUseridPayload struct {
|
|
ID string `json:"id"`
|
|
Userid string `json:"userid"`
|
|
}
|
|
return func(c echo.Context) error {
|
|
var payload clientIdUseridPayload
|
|
c.Bind(&payload)
|
|
|
|
clientData, err := db.GetClientByID(payload.ID, model.QRCodeSettings{Enabled: false})
|
|
if err != nil {
|
|
log.Errorf("Cannot generate client id %s config file for downloading: %v", payload.ID, err)
|
|
return c.JSON(http.StatusNotFound, jsonHTTPResponse{false, "Client not found"})
|
|
}
|
|
|
|
// build config
|
|
server, _ := db.GetServer()
|
|
globalSettings, _ := db.GetGlobalSettings()
|
|
config := util.BuildClientConfig(*clientData.Client, server, globalSettings)
|
|
configData := []byte(config)
|
|
var qrData []byte
|
|
|
|
if clientData.Client.PrivateKey != "" {
|
|
qrData, err = qrcode.Encode(config, qrcode.Medium, 512)
|
|
if err != nil {
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "qr gen: " + err.Error()})
|
|
}
|
|
}
|
|
|
|
userid, err := strconv.ParseInt(clientData.Client.TgUserid, 10, 64)
|
|
if err != nil {
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "userid: " + err.Error()})
|
|
}
|
|
|
|
err = telegram.SendConfig(userid, clientData.Client.Name, configData, qrData, false)
|
|
|
|
if err != nil {
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, err.Error()})
|
|
}
|
|
|
|
return c.JSON(http.StatusOK, jsonHTTPResponse{true, "Telegram message sent successfully"})
|
|
}
|
|
}
|
|
|
|
// UpdateClient handler to update client information
|
|
func UpdateClient(db store.IStore) echo.HandlerFunc {
|
|
return func(c echo.Context) error {
|
|
|
|
var _client model.Client
|
|
c.Bind(&_client)
|
|
|
|
if _, err := xid.FromString(_client.ID); err != nil {
|
|
return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Please provide a valid client ID"})
|
|
}
|
|
|
|
// validate client existence
|
|
clientData, err := db.GetClientByID(_client.ID, model.QRCodeSettings{Enabled: false})
|
|
if err != nil {
|
|
return c.JSON(http.StatusNotFound, jsonHTTPResponse{false, "Client not found"})
|
|
}
|
|
|
|
// Validate Telegram userid if provided
|
|
if _client.TgUserid != "" {
|
|
idNum, err := strconv.ParseInt(_client.TgUserid, 10, 64)
|
|
if err != nil || idNum == 0 {
|
|
return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Telegram userid must be a non-zero number"})
|
|
}
|
|
}
|
|
|
|
server, err := db.GetServer()
|
|
if err != nil {
|
|
return c.JSON(http.StatusBadRequest, jsonHTTPResponse{
|
|
false, fmt.Sprintf("Cannot fetch server config: %s", err),
|
|
})
|
|
}
|
|
client := *clientData.Client
|
|
// validate the input Allocation IPs
|
|
allocatedIPs, err := util.GetAllocatedIPs(client.ID)
|
|
check, err := util.ValidateIPAllocation(server.Interface.Addresses, allocatedIPs, _client.AllocatedIPs)
|
|
if !check {
|
|
return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, fmt.Sprintf("%s", err)})
|
|
}
|
|
|
|
// validate the input AllowedIPs
|
|
if util.ValidateAllowedIPs(_client.AllowedIPs) == false {
|
|
log.Warnf("Invalid Allowed IPs input from user: %v", _client.AllowedIPs)
|
|
return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Allowed IPs must be in CIDR format"})
|
|
}
|
|
|
|
if util.ValidateExtraAllowedIPs(_client.ExtraAllowedIPs) == false {
|
|
log.Warnf("Invalid Allowed IPs input from user: %v", _client.ExtraAllowedIPs)
|
|
return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Extra Allowed IPs must be in CIDR format"})
|
|
}
|
|
|
|
// update Wireguard Client PublicKey
|
|
if client.PublicKey != _client.PublicKey && _client.PublicKey != "" {
|
|
_, err := wgtypes.ParseKey(_client.PublicKey)
|
|
if err != nil {
|
|
log.Error("Cannot verify provided Wireguard public key: ", err)
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "Cannot verify provided Wireguard public key"})
|
|
}
|
|
// check for duplicates
|
|
clients, err := db.GetClients(false)
|
|
if err != nil {
|
|
log.Error("Cannot get client list for duplicate public key check")
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "Cannot get client list for duplicate public key check"})
|
|
}
|
|
for _, other := range clients {
|
|
if other.Client.PublicKey == _client.PublicKey {
|
|
log.Error("Duplicate Public Key")
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "Duplicate Public Key"})
|
|
}
|
|
}
|
|
|
|
// When replacing any PublicKey, discard any locally stored Wireguard Client PrivateKey
|
|
// Client PubKey no longer corresponds to locally stored PrivKey.
|
|
// QR code (needs PrivateKey) for this client is no longer possible now.
|
|
|
|
if client.PrivateKey != "" {
|
|
client.PrivateKey = ""
|
|
}
|
|
|
|
}
|
|
|
|
// update Wireguard Client PresharedKey
|
|
if client.PresharedKey != _client.PresharedKey && _client.PresharedKey != "" {
|
|
_, err := wgtypes.ParseKey(_client.PresharedKey)
|
|
if err != nil {
|
|
log.Error("Cannot verify provided Wireguard preshared key: ", err)
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "Cannot verify provided Wireguard preshared key"})
|
|
}
|
|
}
|
|
|
|
// map new data
|
|
client.Name = _client.Name
|
|
client.Email = _client.Email
|
|
client.TgUserid = _client.TgUserid
|
|
client.Enabled = _client.Enabled
|
|
client.UseServerDNS = _client.UseServerDNS
|
|
client.AllocatedIPs = _client.AllocatedIPs
|
|
client.AllowedIPs = _client.AllowedIPs
|
|
client.ExtraAllowedIPs = _client.ExtraAllowedIPs
|
|
client.Endpoint = _client.Endpoint
|
|
client.PublicKey = _client.PublicKey
|
|
client.PresharedKey = _client.PresharedKey
|
|
client.UpdatedAt = time.Now().UTC()
|
|
|
|
// write to the database
|
|
if err := db.SaveClient(client); err != nil {
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, err.Error()})
|
|
}
|
|
log.Infof("Updated client information successfully => %v", client)
|
|
|
|
return c.JSON(http.StatusOK, jsonHTTPResponse{true, "Updated client successfully"})
|
|
}
|
|
}
|
|
|
|
// SetClientStatus handler to enable / disable a client
|
|
func SetClientStatus(db store.IStore) echo.HandlerFunc {
|
|
return func(c echo.Context) error {
|
|
|
|
data := make(map[string]interface{})
|
|
err := json.NewDecoder(c.Request().Body).Decode(&data)
|
|
|
|
if err != nil {
|
|
return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Bad post data"})
|
|
}
|
|
|
|
clientID := data["id"].(string)
|
|
status := data["status"].(bool)
|
|
|
|
if _, err := xid.FromString(clientID); err != nil {
|
|
return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Please provide a valid client ID"})
|
|
}
|
|
|
|
clientData, err := db.GetClientByID(clientID, model.QRCodeSettings{Enabled: false})
|
|
if err != nil {
|
|
return c.JSON(http.StatusNotFound, jsonHTTPResponse{false, err.Error()})
|
|
}
|
|
|
|
client := *clientData.Client
|
|
|
|
client.Enabled = status
|
|
if err := db.SaveClient(client); err != nil {
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, err.Error()})
|
|
}
|
|
log.Infof("Changed client %s enabled status to %v", client.ID, status)
|
|
|
|
return c.JSON(http.StatusOK, jsonHTTPResponse{true, "Changed client status successfully"})
|
|
}
|
|
}
|
|
|
|
// DownloadClient handler
|
|
func DownloadClient(db store.IStore) echo.HandlerFunc {
|
|
return func(c echo.Context) error {
|
|
clientID := c.QueryParam("clientid")
|
|
if clientID == "" {
|
|
return c.JSON(http.StatusNotFound, jsonHTTPResponse{false, "Missing clientid parameter"})
|
|
}
|
|
|
|
if _, err := xid.FromString(clientID); err != nil {
|
|
return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Please provide a valid client ID"})
|
|
}
|
|
|
|
clientData, err := db.GetClientByID(clientID, model.QRCodeSettings{Enabled: false})
|
|
if err != nil {
|
|
log.Errorf("Cannot generate client id %s config file for downloading: %v", clientID, err)
|
|
return c.JSON(http.StatusNotFound, jsonHTTPResponse{false, "Client not found"})
|
|
}
|
|
|
|
// build config
|
|
server, err := db.GetServer()
|
|
if err != nil {
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, err.Error()})
|
|
}
|
|
globalSettings, err := db.GetGlobalSettings()
|
|
if err != nil {
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, err.Error()})
|
|
}
|
|
config := util.BuildClientConfig(*clientData.Client, server, globalSettings)
|
|
|
|
// create io reader from string
|
|
reader := strings.NewReader(config)
|
|
|
|
// set response header for downloading
|
|
c.Response().Header().Set(echo.HeaderContentDisposition, fmt.Sprintf("attachment; filename=%s.conf", clientData.Client.Name))
|
|
return c.Stream(http.StatusOK, "text/conf", reader)
|
|
}
|
|
}
|
|
|
|
// RemoveClient handler
|
|
func RemoveClient(db store.IStore) echo.HandlerFunc {
|
|
return func(c echo.Context) error {
|
|
|
|
client := new(model.Client)
|
|
c.Bind(client)
|
|
|
|
if _, err := xid.FromString(client.ID); err != nil {
|
|
return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Please provide a valid client ID"})
|
|
}
|
|
|
|
// delete client from database
|
|
|
|
if err := db.DeleteClient(client.ID); err != nil {
|
|
log.Error("Cannot delete wireguard client: ", err)
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "Cannot delete client from database"})
|
|
}
|
|
|
|
log.Infof("Removed wireguard client: %v", client)
|
|
return c.JSON(http.StatusOK, jsonHTTPResponse{true, "Client removed"})
|
|
}
|
|
}
|
|
|
|
// WireGuardServer handler
|
|
func WireGuardServer(db store.IStore) echo.HandlerFunc {
|
|
return func(c echo.Context) error {
|
|
|
|
server, err := db.GetServer()
|
|
if err != nil {
|
|
log.Error("Cannot get server config: ", err)
|
|
}
|
|
|
|
return c.Render(http.StatusOK, "server.html", map[string]interface{}{
|
|
"baseData": model.BaseData{Active: "wg-server", CurrentUser: currentUser(c), Admin: isAdmin(c)},
|
|
"serverInterface": server.Interface,
|
|
"serverKeyPair": server.KeyPair,
|
|
})
|
|
}
|
|
}
|
|
|
|
// WireGuardServerInterfaces handler
|
|
func WireGuardServerInterfaces(db store.IStore) echo.HandlerFunc {
|
|
return func(c echo.Context) error {
|
|
|
|
var serverInterface model.ServerInterface
|
|
c.Bind(&serverInterface)
|
|
|
|
// validate the input addresses
|
|
if util.ValidateServerAddresses(serverInterface.Addresses) == false {
|
|
log.Warnf("Invalid server interface addresses input from user: %v", serverInterface.Addresses)
|
|
return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Interface IP address must be in CIDR format"})
|
|
}
|
|
|
|
serverInterface.UpdatedAt = time.Now().UTC()
|
|
|
|
// write config to the database
|
|
|
|
if err := db.SaveServerInterface(serverInterface); err != nil {
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "Interface IP address must be in CIDR format"})
|
|
}
|
|
log.Infof("Updated wireguard server interfaces settings: %v", serverInterface)
|
|
|
|
return c.JSON(http.StatusOK, jsonHTTPResponse{true, "Updated interface addresses successfully"})
|
|
}
|
|
}
|
|
|
|
// WireGuardServerKeyPair handler to generate private and public keys
|
|
func WireGuardServerKeyPair(db store.IStore) echo.HandlerFunc {
|
|
return func(c echo.Context) error {
|
|
|
|
// gen Wireguard key pair
|
|
key, err := wgtypes.GeneratePrivateKey()
|
|
if err != nil {
|
|
log.Error("Cannot generate wireguard key pair: ", err)
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "Cannot generate Wireguard key pair"})
|
|
}
|
|
|
|
var serverKeyPair model.ServerKeypair
|
|
serverKeyPair.PrivateKey = key.String()
|
|
serverKeyPair.PublicKey = key.PublicKey().String()
|
|
serverKeyPair.UpdatedAt = time.Now().UTC()
|
|
|
|
if err := db.SaveServerKeyPair(serverKeyPair); err != nil {
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "Cannot generate Wireguard key pair"})
|
|
}
|
|
log.Infof("Updated wireguard server interfaces settings: %v", serverKeyPair)
|
|
|
|
return c.JSON(http.StatusOK, serverKeyPair)
|
|
}
|
|
}
|
|
|
|
// GlobalSettings handler
|
|
func GlobalSettings(db store.IStore) echo.HandlerFunc {
|
|
return func(c echo.Context) error {
|
|
|
|
globalSettings, err := db.GetGlobalSettings()
|
|
if err != nil {
|
|
log.Error("Cannot get global settings: ", err)
|
|
}
|
|
|
|
return c.Render(http.StatusOK, "global_settings.html", map[string]interface{}{
|
|
"baseData": model.BaseData{Active: "global-settings", CurrentUser: currentUser(c), Admin: isAdmin(c)},
|
|
"globalSettings": globalSettings,
|
|
})
|
|
}
|
|
}
|
|
|
|
// Status handler
|
|
func Status(db store.IStore) echo.HandlerFunc {
|
|
type PeerVM struct {
|
|
Name string
|
|
Email string
|
|
PublicKey string
|
|
ReceivedBytes int64
|
|
TransmitBytes int64
|
|
LastHandshakeTime time.Time
|
|
LastHandshakeRel time.Duration
|
|
Connected bool
|
|
AllocatedIP string
|
|
Endpoint string
|
|
}
|
|
|
|
type DeviceVM struct {
|
|
Name string
|
|
Peers []PeerVM
|
|
}
|
|
return func(c echo.Context) error {
|
|
|
|
wgClient, err := wgctrl.New()
|
|
if err != nil {
|
|
return c.Render(http.StatusInternalServerError, "status.html", map[string]interface{}{
|
|
"baseData": model.BaseData{Active: "status", CurrentUser: currentUser(c), Admin: isAdmin(c)},
|
|
"error": err.Error(),
|
|
"devices": nil,
|
|
})
|
|
}
|
|
|
|
devices, err := wgClient.Devices()
|
|
if err != nil {
|
|
return c.Render(http.StatusInternalServerError, "status.html", map[string]interface{}{
|
|
"baseData": model.BaseData{Active: "status", CurrentUser: currentUser(c), Admin: isAdmin(c)},
|
|
"error": err.Error(),
|
|
"devices": nil,
|
|
})
|
|
}
|
|
|
|
devicesVm := make([]DeviceVM, 0, len(devices))
|
|
if len(devices) > 0 {
|
|
m := make(map[string]*model.Client)
|
|
clients, err := db.GetClients(false)
|
|
if err != nil {
|
|
return c.Render(http.StatusInternalServerError, "status.html", map[string]interface{}{
|
|
"baseData": model.BaseData{Active: "status", CurrentUser: currentUser(c), Admin: isAdmin(c)},
|
|
"error": err.Error(),
|
|
"devices": nil,
|
|
})
|
|
}
|
|
for i := range clients {
|
|
if clients[i].Client != nil {
|
|
m[clients[i].Client.PublicKey] = clients[i].Client
|
|
}
|
|
}
|
|
|
|
conv := map[bool]int{true: 1, false: 0}
|
|
for i := range devices {
|
|
devVm := DeviceVM{Name: devices[i].Name}
|
|
for j := range devices[i].Peers {
|
|
var allocatedIPs string
|
|
for _, ip := range devices[i].Peers[j].AllowedIPs {
|
|
if len(allocatedIPs) > 0 {
|
|
allocatedIPs += "</br>"
|
|
}
|
|
allocatedIPs += ip.String()
|
|
}
|
|
pVm := PeerVM{
|
|
PublicKey: devices[i].Peers[j].PublicKey.String(),
|
|
ReceivedBytes: devices[i].Peers[j].ReceiveBytes,
|
|
TransmitBytes: devices[i].Peers[j].TransmitBytes,
|
|
LastHandshakeTime: devices[i].Peers[j].LastHandshakeTime,
|
|
LastHandshakeRel: time.Since(devices[i].Peers[j].LastHandshakeTime),
|
|
AllocatedIP: allocatedIPs,
|
|
Endpoint: devices[i].Peers[j].Endpoint.String(),
|
|
}
|
|
pVm.Connected = pVm.LastHandshakeRel.Minutes() < 3.
|
|
|
|
if _client, ok := m[pVm.PublicKey]; ok {
|
|
pVm.Name = _client.Name
|
|
pVm.Email = _client.Email
|
|
}
|
|
devVm.Peers = append(devVm.Peers, pVm)
|
|
}
|
|
sort.SliceStable(devVm.Peers, func(i, j int) bool { return devVm.Peers[i].Name < devVm.Peers[j].Name })
|
|
sort.SliceStable(devVm.Peers, func(i, j int) bool { return conv[devVm.Peers[i].Connected] > conv[devVm.Peers[j].Connected] })
|
|
devicesVm = append(devicesVm, devVm)
|
|
}
|
|
}
|
|
|
|
return c.Render(http.StatusOK, "status.html", map[string]interface{}{
|
|
"baseData": model.BaseData{Active: "status", CurrentUser: currentUser(c), Admin: isAdmin(c)},
|
|
"devices": devicesVm,
|
|
"error": "",
|
|
})
|
|
}
|
|
}
|
|
|
|
// GlobalSettingSubmit handler to update the global settings
|
|
func GlobalSettingSubmit(db store.IStore) echo.HandlerFunc {
|
|
return func(c echo.Context) error {
|
|
|
|
var globalSettings model.GlobalSetting
|
|
c.Bind(&globalSettings)
|
|
|
|
// validate the input dns server list
|
|
if util.ValidateIPAddressList(globalSettings.DNSServers) == false {
|
|
log.Warnf("Invalid DNS server list input from user: %v", globalSettings.DNSServers)
|
|
return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, "Invalid DNS server address"})
|
|
}
|
|
|
|
globalSettings.UpdatedAt = time.Now().UTC()
|
|
|
|
// write config to the database
|
|
if err := db.SaveGlobalSettings(globalSettings); err != nil {
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "Cannot generate Wireguard key pair"})
|
|
}
|
|
|
|
log.Infof("Updated global settings: %v", globalSettings)
|
|
|
|
return c.JSON(http.StatusOK, jsonHTTPResponse{true, "Updated global settings successfully"})
|
|
}
|
|
}
|
|
|
|
// MachineIPAddresses handler to get local interface ip addresses
|
|
func MachineIPAddresses() echo.HandlerFunc {
|
|
return func(c echo.Context) error {
|
|
|
|
// get private ip addresses
|
|
interfaceList, err := util.GetInterfaceIPs()
|
|
if err != nil {
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "Cannot get machine ip addresses"})
|
|
}
|
|
|
|
// get public ip address
|
|
// TODO: Remove the go-external-ip dependency
|
|
publicInterface, err := util.GetPublicIP()
|
|
if err != nil {
|
|
log.Warn("Cannot get machine public ip address: ", err)
|
|
} else {
|
|
// prepend public ip to the list
|
|
interfaceList = append([]model.Interface{publicInterface}, interfaceList...)
|
|
}
|
|
|
|
return c.JSON(http.StatusOK, interfaceList)
|
|
}
|
|
}
|
|
|
|
// GetOrderedSubnetRanges handler to get the ordered list of subnet ranges
|
|
func GetOrderedSubnetRanges() echo.HandlerFunc {
|
|
return func(c echo.Context) error {
|
|
return c.JSON(http.StatusOK, util.SubnetRangesOrder)
|
|
}
|
|
}
|
|
|
|
// SuggestIPAllocation handler to get the list of ip address for client
|
|
func SuggestIPAllocation(db store.IStore) echo.HandlerFunc {
|
|
return func(c echo.Context) error {
|
|
|
|
server, err := db.GetServer()
|
|
if err != nil {
|
|
log.Error("Cannot fetch server config from database: ", err)
|
|
return c.JSON(http.StatusBadRequest, jsonHTTPResponse{false, err.Error()})
|
|
}
|
|
|
|
// return the list of suggestedIPs
|
|
// we take the first available ip address from
|
|
// each server's network addresses.
|
|
suggestedIPs := make([]string, 0)
|
|
allocatedIPs, err := util.GetAllocatedIPs("")
|
|
if err != nil {
|
|
log.Error("Cannot suggest ip allocation. Failed to get list of allocated ip addresses: ", err)
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{
|
|
false, "Cannot suggest ip allocation: failed to get list of allocated ip addresses",
|
|
})
|
|
}
|
|
|
|
sr := c.QueryParam("sr")
|
|
searchCIDRList := make([]string, 0)
|
|
found := false
|
|
|
|
// Use subnet range or default to interface addresses
|
|
if util.SubnetRanges[sr] != nil {
|
|
for _, cidr := range util.SubnetRanges[sr] {
|
|
searchCIDRList = append(searchCIDRList, cidr.String())
|
|
}
|
|
} else {
|
|
searchCIDRList = append(searchCIDRList, server.Interface.Addresses...)
|
|
}
|
|
|
|
// Save only unique IPs
|
|
ipSet := make(map[string]struct{})
|
|
|
|
for _, cidr := range searchCIDRList {
|
|
ip, err := util.GetAvailableIP(cidr, allocatedIPs, server.Interface.Addresses)
|
|
if err != nil {
|
|
log.Error("Failed to get available ip from a CIDR: ", err)
|
|
continue
|
|
}
|
|
found = true
|
|
if strings.Contains(ip, ":") {
|
|
ipSet[fmt.Sprintf("%s/128", ip)] = struct{}{}
|
|
} else {
|
|
ipSet[fmt.Sprintf("%s/32", ip)] = struct{}{}
|
|
}
|
|
}
|
|
|
|
if !found {
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{
|
|
false,
|
|
"Cannot suggest ip allocation: failed to get available ip. Try a different subnet or deallocate some ips.",
|
|
})
|
|
}
|
|
|
|
for ip := range ipSet {
|
|
suggestedIPs = append(suggestedIPs, ip)
|
|
}
|
|
|
|
return c.JSON(http.StatusOK, suggestedIPs)
|
|
}
|
|
}
|
|
|
|
// ApplyServerConfig handler to write config file and restart Wireguard server
|
|
func ApplyServerConfig(db store.IStore, tmplDir fs.FS) echo.HandlerFunc {
|
|
return func(c echo.Context) error {
|
|
|
|
server, err := db.GetServer()
|
|
if err != nil {
|
|
log.Error("Cannot get server config: ", err)
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "Cannot get server config"})
|
|
}
|
|
|
|
clients, err := db.GetClients(false)
|
|
if err != nil {
|
|
log.Error("Cannot get client config: ", err)
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "Cannot get client config"})
|
|
}
|
|
|
|
users, err := db.GetUsers()
|
|
if err != nil {
|
|
log.Error("Cannot get users config: ", err)
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "Cannot get users config"})
|
|
}
|
|
|
|
settings, err := db.GetGlobalSettings()
|
|
if err != nil {
|
|
log.Error("Cannot get global settings: ", err)
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{false, "Cannot get global settings"})
|
|
}
|
|
|
|
// Write config file
|
|
err = util.WriteWireGuardServerConfig(tmplDir, server, clients, users, settings)
|
|
if err != nil {
|
|
log.Error("Cannot apply server config: ", err)
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{
|
|
false, fmt.Sprintf("Cannot apply server config: %v", err),
|
|
})
|
|
}
|
|
|
|
err = util.UpdateHashes(db)
|
|
if err != nil {
|
|
log.Error("Cannot update hashes: ", err)
|
|
return c.JSON(http.StatusInternalServerError, jsonHTTPResponse{
|
|
false, fmt.Sprintf("Cannot update hashes: %v", err),
|
|
})
|
|
}
|
|
|
|
return c.JSON(http.StatusOK, jsonHTTPResponse{true, "Applied server config successfully"})
|
|
}
|
|
}
|
|
|
|
// GetHashesChanges handler returns if database hashes have changed
|
|
func GetHashesChanges(db store.IStore) echo.HandlerFunc {
|
|
return func(c echo.Context) error {
|
|
if util.HashesChanged(db) {
|
|
return c.JSON(http.StatusOK, jsonHTTPResponse{true, "Hashes changed"})
|
|
} else {
|
|
return c.JSON(http.StatusOK, jsonHTTPResponse{false, "Hashes not changed"})
|
|
}
|
|
}
|
|
}
|
|
|
|
// AboutPage handler
|
|
func AboutPage() echo.HandlerFunc {
|
|
return func(c echo.Context) error {
|
|
return c.Render(http.StatusOK, "about.html", map[string]interface{}{
|
|
"baseData": model.BaseData{Active: "about", CurrentUser: currentUser(c), Admin: isAdmin(c)},
|
|
})
|
|
}
|
|
}
|