rogueserver/api/daily.go

150 lines
3.3 KiB
Go

package api
import (
"crypto/md5"
"crypto/rand"
"encoding/base64"
"encoding/binary"
"encoding/json"
"fmt"
"log"
"net/http"
"os"
"strconv"
"time"
"github.com/Flashfyre/pokerogue-server/db"
"github.com/go-co-op/gocron"
)
const secondsPerDay = 60 * 60 * 24
var (
dailyRunScheduler = gocron.NewScheduler(time.UTC)
dailyRunSecret []byte
dailyRunSeed string
)
func ScheduleDailyRunRefresh() {
dailyRunScheduler.Every(1).Day().At("00:00").Do(InitDailyRun)
dailyRunScheduler.StartAsync()
}
func InitDailyRun() {
secret, err := os.ReadFile("secret.key")
if err != nil {
if !os.IsNotExist(err) {
log.Fatalf("failed to read daily seed secret: %s", err)
}
newSecret := make([]byte, 32)
_, err := rand.Read(newSecret)
if err != nil {
log.Fatalf("failed to generate daily seed secret: %s", err)
}
err = os.WriteFile("secret.key", newSecret, 0400)
if err != nil {
log.Fatalf("failed to write daily seed secret: %s", err)
}
secret = newSecret
}
dailyRunSecret = secret
dailyRunSeed = base64.StdEncoding.EncodeToString(DeriveDailyRunSeed(time.Now().UTC()))
err = db.TryAddDailyRun(dailyRunSeed)
if err != nil {
log.Print(err.Error())
}
log.Printf("Daily Run Seed: %s", dailyRunSeed)
}
func DeriveDailyRunSeed(seedTime time.Time) []byte {
day := make([]byte, 8)
binary.BigEndian.PutUint64(day, uint64(seedTime.Unix()/secondsPerDay))
hashedSeed := md5.Sum(append(day, dailyRunSecret...))
return hashedSeed[:]
}
// /daily/seed - fetch daily run seed
func (s *Server) HandleSeed(w http.ResponseWriter, r *http.Request) {
w.Write([]byte(dailyRunSeed))
}
// /daily/rankings - fetch daily rankings
func (s *Server) HandleRankings(w http.ResponseWriter, r *http.Request) {
var err error
var category int
var page int
if r.URL.Query().Has("category") {
category, err = strconv.Atoi(r.URL.Query().Get("category"))
if err != nil {
http.Error(w, fmt.Sprintf("failed to convert category: %s", err), http.StatusBadRequest)
return
}
} else {
category = 0
}
if r.URL.Query().Has("page") {
page, err = strconv.Atoi(r.URL.Query().Get("page"))
if err != nil {
http.Error(w, fmt.Sprintf("failed to convert page: %s", err), http.StatusBadRequest)
return
}
} else {
page = 1
}
rankings, err := db.FetchRankings(category, page)
if err != nil {
log.Print("failed to retrieve rankings")
}
response, err := json.Marshal(rankings)
if err != nil {
http.Error(w, fmt.Sprintf("failed to marshal response json: %s", err), http.StatusInternalServerError)
return
}
w.Write(response)
}
// /daily/rankingpagecount - fetch daily ranking page count
func (s *Server) HandleRankingPageCount(w http.ResponseWriter, r *http.Request) {
var err error
var category int
if r.URL.Query().Has("category") {
category, err = strconv.Atoi(r.URL.Query().Get("category"))
if err != nil {
http.Error(w, fmt.Sprintf("failed to convert category: %s", err), http.StatusBadRequest)
return
}
} else {
category = 0
}
pageCount, err := db.FetchRankingPageCount(category)
if err != nil {
log.Print("failed to retrieve ranking page count")
}
response, err := json.Marshal(pageCount)
if err != nil {
http.Error(w, fmt.Sprintf("failed to marshal response json: %s", err), http.StatusInternalServerError)
return
}
w.Write(response)
}