oktopus/backend/services/controller/internal/api/api.go
2023-09-04 01:28:16 -03:00

107 lines
3.4 KiB
Go

package api
import (
"log"
"net/http"
"sync"
"time"
"github.com/gorilla/mux"
"github.com/leandrofars/oktopus/internal/api/cors"
"github.com/leandrofars/oktopus/internal/api/middleware"
"github.com/leandrofars/oktopus/internal/db"
"github.com/leandrofars/oktopus/internal/mtp"
usp_msg "github.com/leandrofars/oktopus/internal/usp_message"
)
type Api struct {
Port string
Db db.Database
Broker mtp.Broker
MsgQueue map[string](chan usp_msg.Msg)
QMutex *sync.Mutex
}
type WiFi struct {
SSID string `json:"ssid"`
Password string `json:"password"`
Security string `json:"security"`
SecurityCapabilities []string `json:"securityCapabilities"`
AutoChannelEnable bool `json:"autoChannelEnable"`
Channel int `json:"channel"`
ChannelBandwidth string `json:"channelBandwidth"`
FrequencyBand string `json:"frequencyBand"`
//PossibleChannels []int `json:"PossibleChannels"`
SupportedChannelBandwidths []string `json:"supportedChannelBandwidths"`
}
const (
NormalUser = iota
AdminUser
)
func NewApi(port string, db db.Database, b mtp.Broker, msgQueue map[string](chan usp_msg.Msg), m *sync.Mutex) Api {
return Api{
Port: port,
Db: db,
Broker: b,
MsgQueue: msgQueue,
QMutex: m,
}
}
//TODO: restructure http api calls for mqtt, to use golang generics and avoid code repetition
//TODO: standardize timeouts through code
//TODO: fix api methods
func StartApi(a Api) {
r := mux.NewRouter()
authentication := r.PathPrefix("/api/auth").Subrouter()
authentication.HandleFunc("/login", a.generateToken).Methods("PUT")
authentication.HandleFunc("/register", a.registerUser).Methods("POST")
authentication.HandleFunc("/admin/register", a.registerAdminUser).Methods("POST")
authentication.HandleFunc("/admin/exists", a.adminUserExists).Methods("GET")
iot := r.PathPrefix("/api/device").Subrouter()
iot.HandleFunc("", a.retrieveDevices).Methods("GET")
iot.HandleFunc("/{sn}/get", a.deviceGetMsg).Methods("PUT")
iot.HandleFunc("/{sn}/add", a.deviceCreateMsg).Methods("PUT")
iot.HandleFunc("/{sn}/del", a.deviceDeleteMsg).Methods("PUT")
iot.HandleFunc("/{sn}/set", a.deviceUpdateMsg).Methods("PUT")
iot.HandleFunc("/{sn}/parameters", a.deviceGetSupportedParametersMsg).Methods("PUT")
iot.HandleFunc("/{sn}/instances", a.deviceGetParameterInstances).Methods("PUT")
iot.HandleFunc("/{sn}/update", a.deviceFwUpdate).Methods("PUT")
iot.HandleFunc("/{sn}/wifi", a.deviceWifi).Methods("PUT", "GET")
// Middleware for requests which requires user to be authenticated
iot.Use(func(handler http.Handler) http.Handler {
return middleware.Middleware(handler)
})
users := r.PathPrefix("/api/users").Subrouter()
users.HandleFunc("", a.retrieveUsers).Methods("GET")
users.Use(func(handler http.Handler) http.Handler {
return middleware.Middleware(handler)
})
// Verifies CORS configs for requests
corsOpts := cors.GetCorsConfig()
srv := &http.Server{
Addr: "0.0.0.0:" + a.Port,
// Good practice to set timeouts to avoid Slowloris attacks.
WriteTimeout: time.Second * 60,
ReadTimeout: time.Second * 60,
IdleTimeout: time.Second * 60,
Handler: corsOpts.Handler(r), // Pass our instance of gorilla/mux in.
}
// Run our server in a goroutine so that it doesn't block.
go func() {
if err := srv.ListenAndServe(); err != nil {
log.Println(err)
}
}()
log.Println("Running Api at port", a.Port)
}