/
gate.go
207 lines (180 loc) · 5 KB
/
gate.go
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package main
import (
"encoding/json"
"errors"
"net/http"
"os"
"regexp"
"golang.org/x/net/http2"
log "github.com/Sirupsen/logrus"
"github.com/nats-io/nats"
"github.com/sebest/logrusly"
"github.com/sohlich/nats-proxy"
"github.com/suricatatalk/gate/jwt"
"github.com/suricatatalk/gate/storage"
"github.com/suricatatalk/guardian/auth"
"github.com/suricatatalk/mail/client"
"github.com/kelseyhightower/envconfig"
// "github.com/markbates/goth"
// "github.com/markbates/goth/providers/twitter"
)
const (
ServiceName = "gateway"
TokenHeader = "X-Auth"
//Configuration keys
KeyLogly = "LOGLY_TOKEN"
)
var (
ErrNoServiceInUrl = errors.New("No service definition in url")
ErrInavelidActivationToken = errors.New("Invalid activation token")
actiavteUserRegex = regexp.MustCompile(".*\\/activate\\/")
passwordResetRegex = regexp.MustCompile(".*\\/resetpassword\\/")
appCfg *AppConfig
tokenStorage storage.DataStorage
)
var (
mailClient client.MailClient
activationComposer client.MessageComposer
passResetComposer client.MessageComposer
)
type AppConfig struct {
Host string `default:"127.0.0.1"`
Port string `default:"8080"`
Name string `default:"core1"`
Domain string `default:"suricata.cleverapps.io"`
}
type RedisConfig struct {
URI string `default:"127.0.0.1:6379"`
Password string `default:""`
DB int64 `default:"0"`
}
type NatsConfig struct {
Endpoint string `default:"nats://localhost:4222"`
}
// loadConfiguration loads the configuration of application
func loadConfiguration(app *AppConfig, rdis *RedisConfig, nats *NatsConfig) {
err := envconfig.Process(ServiceName, app)
if err != nil {
log.Panicln(err)
}
err = envconfig.Process("redis", rdis)
if err != nil {
log.Panicln(err)
}
err = envconfig.Process("nats", nats)
if err != nil {
log.Panicln(err)
}
if len(os.Getenv(KeyLogly)) > 0 {
log.Printf("Loading logly token %s \n", os.Getenv(KeyLogly))
hook := logrusly.NewLogglyHook(os.Getenv(KeyLogly),
app.Host,
log.InfoLevel,
app.Name)
log.AddHook(hook)
}
log.Println("#### LOADED CONFIG #####")
log.Printf("REDIS_URI: %s \n", rdis.URI)
log.Printf("NATS_ENDPOINT: %s \n", nats.Endpoint)
}
func main() {
//TODO os.Getenv("DOMAIN")
configureSocial()
// Load all configuration
appCfg = &AppConfig{}
rdisCfg := &RedisConfig{}
natsCfg := &NatsConfig{}
loadConfiguration(appCfg, rdisCfg, natsCfg)
//Mongo configuration
log.Infoln("Loading configuration of Redis")
rdisStorage := storage.NewRedisStorage()
rdisStorage.URL = rdisCfg.URI
rdisStorage.Password = rdisCfg.Password
rdisStorage.Database = rdisCfg.DB
tokenStorage = rdisStorage
err := tokenStorage.OpenSession()
defer tokenStorage.CloseSession()
if err != nil {
log.Panic(err)
}
log.Infoln("Initializing NATS proxy")
proxyConn, _ := nats.Connect(natsCfg.Endpoint)
multiProxy, err := natsproxy.NewNatsProxy(proxyConn)
multiProxy.AddHook("/login.*", loginHook)
defer proxyConn.Close()
if err != nil {
log.Panic("Cannot initialize NATS proxy")
}
log.Infoln("Registering handlers")
//Handle login and register
mux := http.NewServeMux()
log.Infoln("Start listening on " + appCfg.Port)
mux.HandleFunc("/", func(rw http.ResponseWriter, req *http.Request) {
log.Println("Handling")
transformToken(req)
log.Println(req.Header)
multiProxy.ServeHTTP(rw, req)
})
//Init HTTP2 server
srv := &http.Server{
Addr: ":" + appCfg.Port,
Handler: mux,
}
http2.ConfigureServer(srv, nil)
serveErr := srv.ListenAndServe()
if serveErr != nil {
log.Errorln(serveErr)
}
}
func loginHook(resp *natsproxy.Response) {
userJSON := resp.GetHeader().Get(TokenHeader)
user := auth.User{}
json.Unmarshal([]byte(userJSON), &user)
jwtToken, err := jwt.GenerateJwtToken(user)
if err != nil {
log.Error(err)
}
var token storage.Token
if token, err = storage.NewToken(user, jwtToken); err != nil {
log.Error(err)
return
}
err = tokenStorage.InsertToken(token)
if err != nil {
log.Error(err)
resp.StatusCode = http.StatusInternalServerError
resp.GetHeader().Del(TokenHeader)
return
}
resp.GetHeader().Set(TokenHeader, token.RefToken)
}
func configureSocial() {
//No Op
}
func transformToken(req *http.Request) {
refToken := req.Header.Get(TokenHeader)
if len(refToken) == 0 {
return
}
log.Infof("Getting security token %s", refToken)
valToken, err := tokenStorage.TokenByRefToken(refToken)
if err == nil && len(valToken.JwtToken) != 0 {
log.Infof("Setting valueToken %s", valToken)
req.Header.Set(TokenHeader, valToken.JwtToken)
}
}
// func handleSocialLogin(rw http.ResponseWriter, req *http.Request) {
// log.Println(gothic.GetState(req))
// socialUser, err := gothic.CompleteUserAuth(rw, req)
// if err != nil {
// log.Println(err)
// http.Error(rw, err.Error(), http.StatusBadRequest)
// return
// }
// user := auth.User{}
// user.UserID = socialUser.UserID
// user.Email = socialUser.Email
// log.Println(socialUser.UserID)
// log.Println(socialUser.AccessToken)
// log.Println(socialUser.NickName)
// }