beta da beta da beta 0.0.01 '-'

2025-06-11 19:52:07 -03:00
commit 86327ddad6
20 changed files with 1474 additions and 0 deletions
--- a/back_end/config_data/config_data.go
+++ b/back_end/config_data/config_data.go
@@ -0,0 +1,75 @@
+package config_data
+
+import (
+	"bufio"
+	"errors"
+	"log"
+	"os"
+	"strings"
+
+	"github.com/gocql/gocql"
+)
+
+const (
+	file_path = "./"
+)
+
+func FileAuthGET() (map[string]interface{}, error) {
+	file, err := os.Open(file_path + "zartigo.conf")
+	if err != nil {
+		datafile := []byte("# nada por agora")
+		os.MkdirAll(file_path, 0755)
+		os.WriteFile(file_path+"zartigo.conf", datafile, 0644)
+		log.Fatal("o arquivo de config não existia, mas foi criado no caminho " + file_path + " o configure e rode novamente.")
+	}
+	defer file.Close()
+
+	MapDATA := make(map[string]interface{})
+	ScanData := bufio.NewScanner(file)
+	for ScanData.Scan() {
+		linhas := strings.TrimSpace(ScanData.Text())
+		partes := strings.SplitN(linhas, "=", 2)
+		if linhas == "" || strings.HasPrefix(linhas, "#") || len(partes) != 2 {
+			continue
+		}
+
+		key := strings.TrimSpace(partes[0])
+		value := strings.TrimSpace(partes[1])
+
+		if commit := strings.Index(value, "#"); commit != -1 {
+			value = strings.TrimSpace(value[:commit])
+		}
+
+		switch strings.Contains((value), ",") {
+		case true:
+			valueList := strings.Split(value, ",")
+			for i := range valueList {
+				valueList[i] = strings.TrimSpace(valueList[i])
+			}
+			MapDATA[key] = valueList
+			break
+		case false:
+			MapDATA[key] = value
+			break
+		}
+
+	}
+
+	return MapDATA, nil
+}
+
+func UseDB(ServerIP string, DataBaseNAME string) (*gocql.Session, error) {
+	cred, err := FileAuthGET()
+	con := gocql.NewCluster(ServerIP)
+	con.Keyspace = DataBaseNAME
+	con.Authenticator = gocql.PasswordAuthenticator{
+		Username: cred["user"].(string),
+		Password: cred["password"].(string),
+	}
+	session, err := con.CreateSession()
+	if err != nil {
+		return nil, errors.New("error ao conectar no banco de dados")
+	}
+	log.Println("conexão efetuada com sucesso")
+	return session, nil
+}
--- a/back_end/func_db.go
+++ b/back_end/func_db.go
@@ -0,0 +1,102 @@
+package main
+
+import (
+	"database/sql"
+	"fmt"
+	"log"
+	"net/http"
+	"time"
+
+	"github.com/go-sql-driver/mysql"
+	"github.com/google/uuid"
+)
+
+func sessionCookie(id int) (*http.Cookie, error) {
+	sessionID := uuid.New().String()
+	sessionInfo := map[string]interface{}{
+		"user_id": id,
+	}
+
+	err := redisCL.HSet(ctx, sessionID, sessionInfo).Err()
+
+	if err != nil {
+		return nil, fmt.Errorf("alguma coisa deu errado ao criar seu cookie de sessão")
+	}
+	err = redisCL.Expire(ctx, sessionID, 24*time.Hour).Err()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	cookie := &http.Cookie{
+		Name:     "PlayerSession",
+		Value:    sessionID,
+		Path:     "/*",
+		HttpOnly: true,
+		Expires:  time.Now().Add(24 * time.Hour),
+	}
+	return cookie, nil
+}
+
+func verifyTabeles(tbex []string, tb string) bool {
+	for _, a := range tbex {
+		if tb == a {
+			log.Println("a tabela: " + a + " existe")
+			return true
+		}
+	}
+	return false
+}
+
+func Database(DBname string, DBuser string, DBpass string, DBport int, DBhost string) error {
+	cfg := mysql.NewConfig()
+
+	cfg.Net = "tcp"
+	cfg.Addr = DBhost + ":3306"
+	cfg.DBName = DBname
+	cfg.User = DBuser
+	cfg.Passwd = DBpass
+
+	var err error
+	db, err = sql.Open("mysql", cfg.FormatDSN())
+	if err != nil {
+		return err
+	}
+	if db.Ping() != nil {
+		log.Fatal(db.Ping())
+		return fmt.Errorf("error ao fazer conexão")
+	}
+	log.Println("database conectado")
+	return nil
+}
+
+func CheckTables(query string) error {
+	log.Println("veirificando tabelas obrigatorias")
+	rows, err := db.Query(query)
+	if err != nil {
+		return fmt.Errorf("erro ao verificar tabelas: %v", err)
+	}
+	defer rows.Close()
+
+	var tables []string
+
+	for rows.Next() {
+		var t string
+		err = rows.Scan(&t)
+		if err != nil {
+			return err
+		}
+		tables = append(tables, t)
+	}
+	for a, _ := range table_list {
+		if !verifyTabeles(tables, a) {
+			rows, err := db.Query(table_list[a])
+			rows.Next()
+			if err != nil {
+				return fmt.Errorf("a tabela: %s não foi criada", a)
+			}
+			log.Printf("tabela %s foi criada.\n", a)
+		}
+	}
+	log.Println("verificação comcluida.")
+	return nil
+}
--- a/back_end/globais.go
+++ b/back_end/globais.go
@@ -0,0 +1,28 @@
+package main
+
+import (
+	"context"
+	"database/sql"
+
+	"github.com/go-redis/redis/v8"
+)
+
+type Table struct {
+	Name string
+}
+
+type resp_json struct {
+	Status  string            `json:"Status"`
+	Message string            `json:"Message,omitempty"`
+	Logs    map[string]string `json:"Logs,omitempty"`
+}
+
+var (
+	db         *sql.DB
+	redisCL    *redis.Client
+	ctx        = context.Background()
+	table_list = map[string]string{
+		"players":   "CREATE TABLE players (`id` INT NOT NULL AUTO_INCREMENT,`foto` MEDIUMTEXT NOT NULL,`player` VARCHAR(15) NOT NULL,`password` TEXT NOT NULL,`nome` VARCHAR(30) NOT NULL,`level` INT NOT NULL DEFAULT '0',`idade` INT NOT NULL DEFAULT '18',`altura` FLOAT NOT NULL DEFAULT '1.40',`vida` INT NOT NULL DEFAULT '10',`vida_maxima` INT NOT NULL DEFAULT '10',`destresa` INT NOT NULL DEFAULT '0',`inteligencia` INT NOT NULL DEFAULT '0',`força` INT NOT NULL DEFAULT '0',`constituição` INT NOT NULL DEFAULT '0',`cárisma` INT NOT NULL DEFAULT '0',`inventario` INT NOT NULL DEFAULT '10',`descrição` TEXT NOT NULL,PRIMARY KEY (`id`)) ENGINE = InnoDB;",
+		"roll_logs": "CREATE TABLE roll_logs (`id` INT NOT NULL AUTO_INCREMENT , `log` TEXT NOT NULL , PRIMARY KEY (`id`)) ENGINE = InnoDB;",
+	}
+)
--- a/back_end/go.mod
+++ b/back_end/go.mod
@@ -0,0 +1,37 @@
+module rpgzrox
+
+go 1.24.3
+
+require github.com/gocql/gocql v1.7.0
+
+require (
+	github.com/go-redis/redis/v8 v8.11.5
+	github.com/google/uuid v1.6.0
+	golang.org/x/time v0.11.0
+)
+
+require (
+	github.com/cespare/xxhash/v2 v2.1.2 // indirect
+	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
+)
+
+require (
+	filippo.io/edwards25519 v1.1.0 // indirect
+	github.com/go-sql-driver/mysql v1.9.2
+)
+
+require (
+	github.com/golang/snappy v0.0.3 // indirect
+	github.com/hailocab/go-hostpool v0.0.0-20160125115350-e80d13ce29ed // indirect
+	github.com/labstack/echo/v4 v4.13.4
+	github.com/labstack/gommon v0.4.2 // indirect
+	github.com/mattn/go-colorable v0.1.14 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/valyala/bytebufferpool v1.0.0 // indirect
+	github.com/valyala/fasttemplate v1.2.2 // indirect
+	golang.org/x/crypto v0.39.0
+	golang.org/x/net v0.40.0 // indirect
+	golang.org/x/sys v0.33.0 // indirect
+	golang.org/x/text v0.26.0 // indirect
+	gopkg.in/inf.v0 v0.9.1 // indirect
+)
--- a/back_end/go.sum
+++ b/back_end/go.sum
@@ -0,0 +1,75 @@
+filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
+filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
+github.com/bitly/go-hostpool v0.0.0-20171023180738-a3a6125de932 h1:mXoPYz/Ul5HYEDvkta6I8/rnYM5gSdSV2tJ6XbZuEtY=
+github.com/bitly/go-hostpool v0.0.0-20171023180738-a3a6125de932/go.mod h1:NOuUCSz6Q9T7+igc/hlvDOUdtWKryOrtFyIVABv/p7k=
+github.com/bmizerany/assert v0.0.0-20160611221934-b7ed37b82869 h1:DDGfHa7BWjL4YnC6+E63dPcxHo2sUxDIu8g3QgEJdRY=
+github.com/bmizerany/assert v0.0.0-20160611221934-b7ed37b82869/go.mod h1:Ekp36dRnpXw/yCqJaO+ZrUyxD+3VXMFFr56k5XYrpB4=
+github.com/cespare/xxhash/v2 v2.1.2 h1:YRXhKfTDauu4ajMg1TPgFO5jnlC2HCbmLXMcTG5cbYE=
+github.com/cespare/xxhash/v2 v2.1.2/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/rVNCu3HqELle0jiPLLBs70cWOduZpkS1E78=
+github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
+github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
+github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
+github.com/go-redis/redis/v8 v8.11.5 h1:AcZZR7igkdvfVmQTPnu9WE37LRrO/YrBH5zWyjDC0oI=
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+github.com/go-sql-driver/mysql v1.9.2 h1:4cNKDYQ1I84SXslGddlsrMhc8k4LeDVj6Ad6WRjiHuU=
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--- a/back_end/main.go
+++ b/back_end/main.go
@@ -0,0 +1,94 @@
+package main
+
+import (
+	/* libs padrão */
+	"fmt"
+	"log"
+	"net/http"
+	"time"
+
+	/* libs minha */
+	"rpgzrox/config_data"
+
+	/* libs externas */
+
+	"github.com/go-redis/redis/v8"
+	"golang.org/x/time/rate"
+
+	//"github.com/google/uuid"
+	"github.com/labstack/echo/v4"
+	"github.com/labstack/echo/v4/middleware"
+)
+
+func main() {
+	load_data, _ := config_data.FileAuthGET()
+	log.Println("load config_data")
+
+	Database(load_data["dbname"].(string), load_data["dbuser"].(string), load_data["dbpass"].(string), 3306, load_data["dbhost"].(string))
+	err := CheckTables("SHOW TABLES;")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	e := echo.New()
+
+	e.HideBanner = true
+	e.HidePort = true
+
+	log.Println("iniciando banco de dados cache")
+	redisCL = redis.NewClient(&redis.Options{
+		Addr: "127.0.0.1:6379",
+	})
+
+	log.Println("Definindo configurações de Rate Limit")
+	rateLimiterStore := middleware.NewRateLimiterMemoryStoreWithConfig(
+		middleware.RateLimiterMemoryStoreConfig{
+			Rate:      rate.Every(10 * time.Second),
+			Burst:     2,
+			ExpiresIn: 60 * time.Minute,
+		},
+	)
+
+	rateLimit := middleware.RateLimiterWithConfig(middleware.RateLimiterConfig{
+		Store: rateLimiterStore,
+		IdentifierExtractor: func(c echo.Context) (string, error) {
+			return c.RealIP(), nil
+		},
+		DenyHandler: func(c echo.Context, identifier string, err error) error {
+			if err := redisCL.Set(ctx, identifier, "blocked", 1*time.Hour).Err(); err != nil {
+				log.Printf("erro ao setar bloqueio no Redis: %v", err)
+			}
+			return c.JSON(http.StatusTooManyRequests, resp_json{
+				Status:  "Timeout",
+				Message: "Uma tentativa de força bruta foi identificada, você tomou time_out",
+			})
+		},
+	})
+	timeoutMiddleware := func(next echo.HandlerFunc) echo.HandlerFunc {
+		return func(c echo.Context) error {
+			blocked, err := redisCL.Exists(ctx, c.RealIP()).Result()
+			if err == nil && blocked == 1 {
+				return c.JSON(http.StatusTooManyRequests, resp_json{
+					Status:  "Timeout",
+					Message: "Você ainda está em período de timeout",
+				})
+			}
+			return next(c)
+		}
+	}
+	log.Println("concluido, back_end rodando")
+
+	/* rotas */
+
+	e.GET("/", func(c echo.Context) error {
+		return c.JSON(http.StatusOK, resp_json{
+			Status:  "Success",
+			Message: "Api esta online",
+		})
+	})
+
+	e.POST("login", login, timeoutMiddleware, rateLimit)
+
+	/* log */
+	e.Logger.Fatal(e.Start(fmt.Sprintf(":%s", load_data["port"])))
+}
--- a/back_end/rotas.go
+++ b/back_end/rotas.go
@@ -0,0 +1,56 @@
+package main
+
+import (
+	"log"
+	"net/http"
+	"strings"
+
+	"github.com/labstack/echo/v4"
+	"golang.org/x/crypto/bcrypt"
+)
+
+func login(c echo.Context) error {
+	player := c.FormValue("player")
+	password := c.FormValue("password")
+
+	if strings.TrimSpace(player) == "" || strings.TrimSpace(password) == "" {
+		return c.JSON(http.StatusForbidden, resp_json{
+			Status:  "Error",
+			Message: "algum parametro esta faltando tente novamente",
+		})
+	}
+
+	/*passhash, err := bcrypt.GenerateFromPassword([]byte(password), 15)
+	if err != nil {
+		log.Println("Algo deu errado com a hash de senha.")
+		return c.JSON(http.StatusInternalServerError, resp_json{
+			Status:  "Error",
+			Message: "Erro ao criar hash de senha do usuario: " + player,
+		})
+	}*/
+
+	var id int
+	var DBpass string
+	err := db.QueryRow("SELECT id, password FROM players WHERE player=? LIMIT 1", player).Scan(&id, &DBpass)
+
+	if err == nil {
+		if bcrypt.CompareHashAndPassword([]byte(DBpass), []byte(password)) == nil {
+			newCookie, err := sessionCookie(id)
+
+			if err != nil {
+				log.Println(err)
+			}
+			c.SetCookie(newCookie)
+			return c.JSON(http.StatusOK, resp_json{
+				Status:  "Success",
+				Message: "Login sucesso",
+			})
+		}
+	}
+
+	return c.JSON(http.StatusForbidden, resp_json{
+		Status:  "Error",
+		Message: "Usuario ou senha incorreto",
+	})
+
+}
--- a/back_end/rpgzrox
+++ b/back_end/rpgzrox
--- a/back_end/zartigo.conf
+++ b/back_end/zartigo.conf
@@ -0,0 +1,6 @@
+# nada por agora
+port = 8085
+dbhost = 127.0.0.1
+dbname = rpgzrox
+dbuser = rpg
+dbpass = cronostrigo