netmaker/controllers/user.go

488 lines
14 KiB
Go

package controller
import (
"encoding/json"
"errors"
"fmt"
"net/http"
"github.com/gorilla/mux"
"github.com/gorilla/websocket"
"github.com/gravitl/netmaker/auth"
"github.com/gravitl/netmaker/database"
"github.com/gravitl/netmaker/logger"
"github.com/gravitl/netmaker/logic"
"github.com/gravitl/netmaker/models"
"github.com/gravitl/netmaker/servercfg"
)
var (
upgrader = websocket.Upgrader{}
)
func userHandlers(r *mux.Router) {
r.HandleFunc("/api/users/adm/hasadmin", hasAdmin).Methods("GET")
r.HandleFunc("/api/users/adm/createadmin", createAdmin).Methods("POST")
r.HandleFunc("/api/users/adm/authenticate", authenticateUser).Methods("POST")
r.HandleFunc("/api/users/{username}", logic.SecurityCheck(false, logic.ContinueIfUserMatch(http.HandlerFunc(updateUser)))).Methods("PUT")
r.HandleFunc("/api/users/networks/{username}", logic.SecurityCheck(true, http.HandlerFunc(updateUserNetworks))).Methods("PUT")
r.HandleFunc("/api/users/{username}/adm", logic.SecurityCheck(true, http.HandlerFunc(updateUserAdm))).Methods("PUT")
r.HandleFunc("/api/users/{username}", logic.SecurityCheck(true, checkFreeTierLimits(users_l, http.HandlerFunc(createUser)))).Methods("POST")
r.HandleFunc("/api/users/{username}", logic.SecurityCheck(true, http.HandlerFunc(deleteUser))).Methods("DELETE")
r.HandleFunc("/api/users/{username}", logic.SecurityCheck(false, logic.ContinueIfUserMatch(http.HandlerFunc(getUser)))).Methods("GET")
r.HandleFunc("/api/users", logic.SecurityCheck(true, http.HandlerFunc(getUsers))).Methods("GET")
r.HandleFunc("/api/oauth/login", auth.HandleAuthLogin).Methods("GET")
r.HandleFunc("/api/oauth/callback", auth.HandleAuthCallback).Methods("GET")
r.HandleFunc("/api/oauth/node-handler", socketHandler)
r.HandleFunc("/api/oauth/register/{regKey}", auth.RegisterNodeSSO).Methods("GET")
}
// swagger:route POST /api/users/adm/authenticate user authenticateUser
//
// Node authenticates using its password and retrieves a JWT for authorization.
//
// Schemes: https
//
// Security:
// oauth
//
// Responses:
// 200: successResponse
func authenticateUser(response http.ResponseWriter, request *http.Request) {
// Auth request consists of Mac Address and Password (from node that is authorizing
// in case of Master, auth is ignored and mac is set to "mastermac"
var authRequest models.UserAuthParams
var errorResponse = models.ErrorResponse{
Code: http.StatusInternalServerError, Message: "W1R3: It's not you it's me.",
}
if !servercfg.IsBasicAuthEnabled() {
logic.ReturnErrorResponse(response, request, logic.FormatError(fmt.Errorf("basic auth is disabled"), "badrequest"))
return
}
decoder := json.NewDecoder(request.Body)
decoderErr := decoder.Decode(&authRequest)
defer request.Body.Close()
if decoderErr != nil {
logger.Log(0, "error decoding request body: ",
decoderErr.Error())
logic.ReturnErrorResponse(response, request, errorResponse)
return
}
username := authRequest.UserName
jwt, err := logic.VerifyAuthRequest(authRequest)
if err != nil {
logger.Log(0, username, "user validation failed: ",
err.Error())
logic.ReturnErrorResponse(response, request, logic.FormatError(err, "badrequest"))
return
}
if jwt == "" {
// very unlikely that err is !nil and no jwt returned, but handle it anyways.
logger.Log(0, username, "jwt token is empty")
logic.ReturnErrorResponse(response, request, logic.FormatError(errors.New("no token returned"), "internal"))
return
}
var successResponse = models.SuccessResponse{
Code: http.StatusOK,
Message: "W1R3: Device " + username + " Authorized",
Response: models.SuccessfulUserLoginResponse{
AuthToken: jwt,
UserName: username,
},
}
// Send back the JWT
successJSONResponse, jsonError := json.Marshal(successResponse)
if jsonError != nil {
logger.Log(0, username,
"error marshalling resp: ", err.Error())
logic.ReturnErrorResponse(response, request, errorResponse)
return
}
logger.Log(2, username, "was authenticated")
response.Header().Set("Content-Type", "application/json")
response.Write(successJSONResponse)
}
// swagger:route GET /api/users/adm/hasadmin user hasAdmin
//
// Checks whether the server has an admin.
//
// Schemes: https
//
// Security:
// oauth
//
// Responses:
// 200: successResponse
func hasAdmin(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
hasadmin, err := logic.HasAdmin()
if err != nil {
logger.Log(0, "failed to check for admin: ", err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
json.NewEncoder(w).Encode(hasadmin)
}
// GetUserInternal - gets an internal user
func GetUserInternal(username string) (models.User, error) {
var user models.User
record, err := database.FetchRecord(database.USERS_TABLE_NAME, username)
if err != nil {
return user, err
}
if err = json.Unmarshal([]byte(record), &user); err != nil {
return models.User{}, err
}
return user, err
}
// swagger:route GET /api/users/{username} user getUser
//
// Get an individual user.
//
// Schemes: https
//
// Security:
// oauth
//
// Responses:
// 200: userBodyResponse
func getUser(w http.ResponseWriter, r *http.Request) {
// set header.
w.Header().Set("Content-Type", "application/json")
var params = mux.Vars(r)
usernameFetched := params["username"]
user, err := logic.GetUser(usernameFetched)
if err != nil {
logger.Log(0, usernameFetched, "failed to fetch user: ", err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
logger.Log(2, r.Header.Get("user"), "fetched user", usernameFetched)
json.NewEncoder(w).Encode(user)
}
// swagger:route GET /api/users user getUsers
//
// Get all users.
//
// Schemes: https
//
// Security:
// oauth
//
// Responses:
// 200: userBodyResponse
func getUsers(w http.ResponseWriter, r *http.Request) {
// set header.
w.Header().Set("Content-Type", "application/json")
users, err := logic.GetUsers()
if err != nil {
logger.Log(0, "failed to fetch users: ", err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
logger.Log(2, r.Header.Get("user"), "fetched users")
json.NewEncoder(w).Encode(users)
}
// swagger:route POST /api/users/adm/createadmin user createAdmin
//
// Make a user an admin.
//
// Schemes: https
//
// Security:
// oauth
//
// Responses:
// 200: userBodyResponse
func createAdmin(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
var admin models.User
err := json.NewDecoder(r.Body).Decode(&admin)
if err != nil {
logger.Log(0, admin.UserName, "error decoding request body: ",
err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
return
}
if !servercfg.IsBasicAuthEnabled() {
logic.ReturnErrorResponse(w, r, logic.FormatError(fmt.Errorf("basic auth is disabled"), "badrequest"))
return
}
admin, err = logic.CreateAdmin(admin)
if err != nil {
logger.Log(0, admin.UserName, "failed to create admin: ",
err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
return
}
logger.Log(1, admin.UserName, "was made a new admin")
json.NewEncoder(w).Encode(admin)
}
// swagger:route POST /api/users/{username} user createUser
//
// Create a user.
//
// Schemes: https
//
// Security:
// oauth
//
// Responses:
// 200: userBodyResponse
func createUser(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
var user models.User
err := json.NewDecoder(r.Body).Decode(&user)
if err != nil {
logger.Log(0, user.UserName, "error decoding request body: ",
err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
return
}
user, err = logic.CreateUser(user)
if err != nil {
logger.Log(0, user.UserName, "error creating new user: ",
err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
return
}
logger.Log(1, user.UserName, "was created")
json.NewEncoder(w).Encode(user)
}
// swagger:route PUT /api/users/networks/{username} user updateUserNetworks
//
// Updates the networks of the given user.
//
// Schemes: https
//
// Security:
// oauth
//
// Responses:
// 200: userBodyResponse
func updateUserNetworks(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
var params = mux.Vars(r)
var user models.User
// start here
username := params["username"]
user, err := GetUserInternal(username)
if err != nil {
logger.Log(0, username,
"failed to update user networks: ", err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
var userchange models.User
// we decode our body request params
err = json.NewDecoder(r.Body).Decode(&userchange)
if err != nil {
logger.Log(0, username, "error decoding request body: ",
err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
return
}
err = logic.UpdateUserNetworks(userchange.Networks, userchange.Groups, userchange.IsAdmin, &models.ReturnUser{
Groups: user.Groups,
IsAdmin: user.IsAdmin,
Networks: user.Networks,
UserName: user.UserName,
})
if err != nil {
logger.Log(0, username,
"failed to update user networks: ", err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
return
}
logger.Log(1, username, "status was updated")
json.NewEncoder(w).Encode(user)
}
// swagger:route PUT /api/users/{username} user updateUser
//
// Update a user.
//
// Schemes: https
//
// Security:
// oauth
//
// Responses:
// 200: userBodyResponse
func updateUser(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
var params = mux.Vars(r)
var user models.User
// start here
username := params["username"]
user, err := GetUserInternal(username)
if err != nil {
logger.Log(0, username,
"failed to update user info: ", err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
if auth.IsOauthUser(&user) == nil {
err := fmt.Errorf("cannot update user info for oauth user %s", username)
logger.Log(0, err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "forbidden"))
return
}
var userchange models.User
// we decode our body request params
err = json.NewDecoder(r.Body).Decode(&userchange)
if err != nil {
logger.Log(0, username, "error decoding request body: ",
err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
return
}
userchange.Networks = nil
user, err = logic.UpdateUser(userchange, user)
if err != nil {
logger.Log(0, username,
"failed to update user info: ", err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
return
}
logger.Log(1, username, "was updated")
json.NewEncoder(w).Encode(user)
}
// swagger:route PUT /api/users/{username}/adm user updateUserAdm
//
// Updates the given admin user's info (as long as the user is an admin).
//
// Schemes: https
//
// Security:
// oauth
//
// Responses:
// 200: userBodyResponse
func updateUserAdm(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "application/json")
var params = mux.Vars(r)
var user models.User
// start here
username := params["username"]
user, err := GetUserInternal(username)
if err != nil {
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
}
if auth.IsOauthUser(&user) != nil {
err := fmt.Errorf("cannot update user info for oauth user %s", username)
logger.Log(0, err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "forbidden"))
return
}
var userchange models.User
// we decode our body request params
err = json.NewDecoder(r.Body).Decode(&userchange)
if err != nil {
logger.Log(0, username, "error decoding request body: ",
err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
return
}
if !user.IsAdmin {
logger.Log(0, username, "not an admin user")
logic.ReturnErrorResponse(w, r, logic.FormatError(errors.New("not a admin user"), "badrequest"))
}
user, err = logic.UpdateUser(userchange, user)
if err != nil {
logger.Log(0, username,
"failed to update user (admin) info: ", err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
return
}
logger.Log(1, username, "was updated (admin)")
json.NewEncoder(w).Encode(user)
}
// swagger:route DELETE /api/users/{username} user deleteUser
//
// Delete a user.
//
// Schemes: https
//
// Security:
// oauth
//
// Responses:
// 200: userBodyResponse
func deleteUser(w http.ResponseWriter, r *http.Request) {
// Set header
w.Header().Set("Content-Type", "application/json")
// get params
var params = mux.Vars(r)
username := params["username"]
success, err := logic.DeleteUser(username)
if err != nil {
logger.Log(0, username,
"failed to delete user: ", err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "internal"))
return
} else if !success {
err := errors.New("delete unsuccessful")
logger.Log(0, username, err.Error())
logic.ReturnErrorResponse(w, r, logic.FormatError(err, "badrequest"))
return
}
logger.Log(1, username, "was deleted")
json.NewEncoder(w).Encode(params["username"] + " deleted.")
}
// Called when vpn client dials in to start the auth flow and first stage is to get register URL itself
func socketHandler(w http.ResponseWriter, r *http.Request) {
// Upgrade our raw HTTP connection to a websocket based one
conn, err := upgrader.Upgrade(w, r, nil)
if err != nil {
logger.Log(0, "error during connection upgrade for node sign-in:", err.Error())
return
}
if conn == nil {
logger.Log(0, "failed to establish web-socket connection during node sign-in")
return
}
// Start handling the session
go auth.SessionHandler(conn)
}