package api import ( "encoding/base64" "encoding/json" "fmt" "log" "net/http" "strconv" "sync" "github.com/pagefaultgames/pokerogue-server/api/account" "github.com/pagefaultgames/pokerogue-server/api/daily" "github.com/pagefaultgames/pokerogue-server/api/savedata" "github.com/pagefaultgames/pokerogue-server/db" "github.com/pagefaultgames/pokerogue-server/defs" ) type Server struct { Debug bool Exit *sync.RWMutex } /* The caller of endpoint handler functions are responsible for extracting the necessary data from the request. Handler functions are responsible for checking the validity of this data and returning a result or error. Handlers should not return serialized JSON, instead return the struct itself. */ func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) { // kind of misusing the RWMutex but it doesn't matter s.Exit.RLock() defer s.Exit.RUnlock() if s.Debug { w.Header().Set("Access-Control-Allow-Headers", "*") w.Header().Set("Access-Control-Allow-Methods", "*") w.Header().Set("Access-Control-Allow-Origin", "*") if r.Method == "OPTIONS" { w.WriteHeader(http.StatusOK) return } } switch r.URL.Path { // /account case "/account/info": username, err := getUsernameFromRequest(r) if err != nil { httpError(w, r, err, http.StatusBadRequest) return } uuid, err := getUUIDFromRequest(r) // lazy if err != nil { httpError(w, r, err, http.StatusBadRequest) return } response, err := account.Info(username, uuid) if err != nil { httpError(w, r, err, http.StatusInternalServerError) return } err = json.NewEncoder(w).Encode(response) if err != nil { httpError(w, r, fmt.Errorf("failed to encode response json: %s", err), http.StatusInternalServerError) return } w.Header().Set("Content-Type", "application/json") case "/account/register": err := r.ParseForm() if err != nil { httpError(w, r, fmt.Errorf("failed to parse request form: %s", err), http.StatusBadRequest) return } err = account.Register(r.Form.Get("username"), r.Form.Get("password")) if err != nil { httpError(w, r, err, http.StatusInternalServerError) return } w.WriteHeader(http.StatusOK) case "/account/login": err := r.ParseForm() if err != nil { httpError(w, r, fmt.Errorf("failed to parse request form: %s", err), http.StatusBadRequest) return } response, err := account.Login(r.Form.Get("username"), r.Form.Get("password")) if err != nil { httpError(w, r, err, http.StatusInternalServerError) return } err = json.NewEncoder(w).Encode(response) if err != nil { httpError(w, r, fmt.Errorf("failed to encode response json: %s", err), http.StatusInternalServerError) return } w.Header().Set("Content-Type", "application/json") case "/account/logout": token, err := base64.StdEncoding.DecodeString(r.Header.Get("Authorization")) if err != nil { httpError(w, r, fmt.Errorf("failed to decode token: %s", err), http.StatusBadRequest) return } err = account.Logout(token) if err != nil { httpError(w, r, err, http.StatusInternalServerError) return } w.WriteHeader(http.StatusOK) // /game case "/game/playercount": w.Write([]byte(strconv.Itoa(playerCount))) case "/game/titlestats": err := json.NewEncoder(w).Encode(defs.TitleStats{ PlayerCount: playerCount, BattleCount: battleCount, }) if err != nil { httpError(w, r, fmt.Errorf("failed to encode response json: %s", err), http.StatusInternalServerError) return } w.Header().Set("Content-Type", "application/json") case "/game/classicsessioncount": w.Write([]byte(strconv.Itoa(classicSessionCount))) // /savedata case "/savedata/get", "/savedata/update", "/savedata/delete", "/savedata/clear": uuid, err := getUUIDFromRequest(r) if err != nil { httpError(w, r, err, http.StatusBadRequest) return } datatype := -1 if r.URL.Query().Has("datatype") { datatype, err = strconv.Atoi(r.URL.Query().Get("datatype")) if err != nil { httpError(w, r, err, http.StatusBadRequest) return } } var slot int if r.URL.Query().Has("slot") { slot, err = strconv.Atoi(r.URL.Query().Get("slot")) if err != nil { httpError(w, r, err, http.StatusBadRequest) return } } var save any // /savedata/get and /savedata/delete specify datatype, but don't expect data in body if r.URL.Path != "/savedata/get" && r.URL.Path != "/savedata/delete" { if datatype == 0 { var system defs.SystemSaveData err = json.NewDecoder(r.Body).Decode(&system) if err != nil { httpError(w, r, fmt.Errorf("failed to decode request body: %s", err), http.StatusBadRequest) return } save = system // /savedata/clear doesn't specify datatype, it is assumed to be 1 (session) } else if datatype == 1 || r.URL.Path == "/savedata/clear" { var session defs.SessionSaveData err = json.NewDecoder(r.Body).Decode(&session) if err != nil { httpError(w, r, fmt.Errorf("failed to decode request body: %s", err), http.StatusBadRequest) return } save = session } } var token []byte token, err = base64.StdEncoding.DecodeString(r.Header.Get("Authorization")) if err != nil { httpError(w, r, fmt.Errorf("failed to decode token: %s", err), http.StatusBadRequest) return } switch r.URL.Path { case "/savedata/get": err = db.UpdateActiveSession(uuid, token) if err != nil { httpError(w, r, fmt.Errorf("failed to update active session: %s", err), http.StatusInternalServerError) return } save, err = savedata.Get(uuid, datatype, slot) case "/savedata/update": var token []byte token, err = base64.StdEncoding.DecodeString(r.Header.Get("Authorization")) if err != nil { httpError(w, r, fmt.Errorf("failed to decode token: %s", err), http.StatusBadRequest) return } var active bool active, err = db.IsActiveSession(token) if err != nil { httpError(w, r, fmt.Errorf("failed to check active session: %s", err), http.StatusInternalServerError) return } if !active { httpError(w, r, fmt.Errorf("session out of date"), http.StatusBadRequest) return } err = savedata.Update(uuid, slot, save) case "/savedata/delete": var active bool active, err = db.IsActiveSession(token) if err != nil { httpError(w, r, fmt.Errorf("failed to check active session: %s", err), http.StatusInternalServerError) return } if !active { httpError(w, r, fmt.Errorf("session out of date"), http.StatusBadRequest) return } err = savedata.Delete(uuid, datatype, slot) case "/savedata/clear": var active bool active, err = db.IsActiveSession(token) if err != nil { httpError(w, r, fmt.Errorf("failed to check active session: %s", err), http.StatusInternalServerError) return } if active { s, ok := save.(defs.SessionSaveData) if !ok { httpError(w, r, fmt.Errorf("save data is not type SessionSaveData"), http.StatusBadRequest) return } // doesn't return a save, but it works save, err = savedata.Clear(uuid, slot, daily.Seed(), s) } else { var response savedata.ClearResponse response.Error = "session out of date" save = response } } if err != nil { httpError(w, r, err, http.StatusInternalServerError) return } if save == nil || r.URL.Path == "/savedata/update" { w.WriteHeader(http.StatusOK) return } err = json.NewEncoder(w).Encode(save) if err != nil { httpError(w, r, fmt.Errorf("failed to encode response json: %s", err), http.StatusInternalServerError) return } w.Header().Set("Content-Type", "application/json") // /daily case "/daily/seed": w.Write([]byte(daily.Seed())) case "/daily/rankings": var err error var category int if r.URL.Query().Has("category") { category, err = strconv.Atoi(r.URL.Query().Get("category")) if err != nil { httpError(w, r, fmt.Errorf("failed to convert category: %s", err), http.StatusBadRequest) return } } page := 1 if r.URL.Query().Has("page") { page, err = strconv.Atoi(r.URL.Query().Get("page")) if err != nil { httpError(w, r, fmt.Errorf("failed to convert page: %s", err), http.StatusBadRequest) return } } rankings, err := daily.Rankings(category, page) if err != nil { httpError(w, r, err, http.StatusInternalServerError) return } err = json.NewEncoder(w).Encode(rankings) if err != nil { httpError(w, r, fmt.Errorf("failed to encode response json: %s", err), http.StatusInternalServerError) return } w.Header().Set("Content-Type", "application/json") case "/daily/rankingpagecount": var category int if r.URL.Query().Has("category") { var err error category, err = strconv.Atoi(r.URL.Query().Get("category")) if err != nil { httpError(w, r, fmt.Errorf("failed to convert category: %s", err), http.StatusBadRequest) return } } count, err := daily.RankingPageCount(category) if err != nil { httpError(w, r, err, http.StatusInternalServerError) } w.Write([]byte(strconv.Itoa(count))) } } func httpError(w http.ResponseWriter, r *http.Request, err error, code int) { log.Printf("%s: %s\n", r.URL.Path, err) http.Error(w, err.Error(), code) }