Modified the Go authentication server

This commit is contained in:
Whispering Wind
2025-09-07 23:39:58 +03:30
committed by GitHub
parent 8d657860aa
commit ed37def474

View File

@ -1,6 +1,7 @@
package main
import (
"context"
"crypto/subtle"
"encoding/json"
"io"
@ -8,25 +9,30 @@ import (
"net/http"
"os"
"strings"
"sync"
"time"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/options"
)
const (
listenAddr = "127.0.0.1:28262"
usersFile = "/etc/hysteria/users.json"
cacheTTL = 5 * time.Second
listenAddr = "127.0.0.1:28262"
mongoURI = "mongodb://localhost:27017"
dbName = "blitz_panel"
collectionName = "users"
)
type User struct {
Password string `json:"password"`
MaxDownloadBytes int64 `json:"max_download_bytes"`
ExpirationDays int `json:"expiration_days"`
AccountCreationDate string `json:"account_creation_date"`
Blocked bool `json:"blocked"`
UploadBytes int64 `json:"upload_bytes"`
DownloadBytes int64 `json:"download_bytes"`
UnlimitedUser bool `json:"unlimited_user"`
ID string `bson:"_id"`
Password string `bson:"password"`
MaxDownloadBytes int64 `bson:"max_download_bytes"`
ExpirationDays int `bson:"expiration_days"`
AccountCreationDate string `bson:"account_creation_date"`
Blocked bool `bson:"blocked"`
UploadBytes int64 `bson:"upload_bytes"`
DownloadBytes int64 `bson:"download_bytes"`
UnlimitedUser bool `bson:"unlimited_user"`
}
type httpAuthRequest struct {
@ -40,24 +46,7 @@ type httpAuthResponse struct {
ID string `json:"id"`
}
var (
userCache map[string]User
cacheMutex = &sync.RWMutex{}
)
func loadUsersToCache() {
data, err := os.ReadFile(usersFile)
if err != nil {
return
}
var users map[string]User
if err := json.Unmarshal(data, &users); err != nil {
return
}
cacheMutex.Lock()
userCache = users
cacheMutex.Unlock()
}
var userCollection *mongo.Collection
func authHandler(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodPost {
@ -77,11 +66,12 @@ func authHandler(w http.ResponseWriter, r *http.Request) {
return
}
cacheMutex.RLock()
user, ok := userCache[username]
cacheMutex.RUnlock()
var user User
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
if !ok {
err := userCollection.FindOne(ctx, bson.M{"_id": username}).Decode(&user)
if err != nil {
json.NewEncoder(w).Encode(httpAuthResponse{OK: false})
return
}
@ -92,7 +82,7 @@ func authHandler(w http.ResponseWriter, r *http.Request) {
}
if subtle.ConstantTimeCompare([]byte(user.Password), []byte(password)) != 1 {
time.Sleep(5 * time.Second) // Slow down brute-force attacks
time.Sleep(5 * time.Second)
json.NewEncoder(w).Encode(httpAuthResponse{OK: false})
return
}
@ -122,18 +112,26 @@ func authHandler(w http.ResponseWriter, r *http.Request) {
func main() {
log.SetOutput(io.Discard)
loadUsersToCache()
ticker := time.NewTicker(cacheTTL)
go func() {
for range ticker.C {
loadUsersToCache()
}
}()
clientOptions := options.Client().ApplyURI(mongoURI)
client, err := mongo.Connect(context.TODO(), clientOptions)
if err != nil {
log.SetOutput(os.Stderr)
log.Fatalf("Failed to connect to MongoDB: %v", err)
}
err = client.Ping(context.TODO(), nil)
if err != nil {
log.SetOutput(os.Stderr)
log.Fatalf("Failed to ping MongoDB: %v", err)
}
userCollection = client.Database(dbName).Collection(collectionName)
http.HandleFunc("/auth", authHandler)
log.SetOutput(os.Stderr)
log.Printf("Auth server starting on %s", listenAddr)
if err := http.ListenAndServe(listenAddr, nil); err != nil {
log.SetOutput(os.Stderr)
log.Fatalf("Failed to start server: %v", err)
}
}