Add example custom implementation jwt-go

example/README.md

@@ -0,0 +1,90 @@
+## Example Implementation JWT GO
+
+### Example JWT Sign
+
+```go
+package main
+
+import (
+	"fmt"
+
+	"github.com/sirupsen/logrus"
+)
+
+// example usage
+func main() {
+
+	userData := map[string]interface{}{"id": 1, "email": "[email protected]"}
+	accessToken, errToken := util.Sign(userData, "JWT_SECRET", 5) // data -> secretkey env name -> expireAt
+
+	if errToken != nil {
+		logrus.Fatal(errToken.Error())
+	}
+
+	fmt.Println("my accessToken here", accessToken)
+}
+```
+
+### Example JWT Verify
+
+```go
+package main
+
+import (
+	"fmt"
+
+	"github.com/sirupsen/logrus"
+)
+
+// example usage
+func main() {
+
+	userData := map[string]interface{}{"id": 1, "email": "[email protected]"}
+	accessToken, errToken := util.Sign(userData, "JWT_SECRET", 5) // data -> secretkey env name -> expireAt
+
+	if errToken != nil {
+		logrus.Fatal(errToken.Error())
+	}
+
+	verifiedToken, errTokenVerified := util.VerifyToken(accessToken, "JWT_SECRET")
+
+	if errTokenVerified != nil {
+		logrus.Fatal(errTokenVerified.Error())
+	}
+
+	fmt.Println("my verified accessToken here", verifiedToken)
+}
+```
+
+### Example JWT Decoded
+
+```go
+package main
+
+import (
+	"fmt"
+
+	"github.com/sirupsen/logrus"
+)
+
+// example usage
+func main() {
+
+	userData := map[string]interface{}{"id": 1, "email": "[email protected]"}
+	accessToken, errToken := util.Sign(userData, "JWT_SECRET", 5) // data -> secretkey env name -> expireAt
+
+	if errToken != nil {
+		logrus.Fatal(errToken.Error())
+	}
+
+	verifiedToken, errTokenVerified := util.VerifyToken(accessToken, "JWT_SECRET")
+
+	if errTokenVerified != nil {
+		logrus.Fatal(errTokenVerified.Error())
+	}
+
+ decodedToken := util.DecodedToken(verifiedToken)
+
+	fmt.Println("my decoded accessToken here", decodedToken.Claims.Email)
+}
+```

example/go.mod

@@ -0,0 +1,10 @@
+module example-jwt
+
+go 1.16
+
+require (
+	github.com/dgrijalva/jwt-go v3.2.0+incompatible
+	github.com/gin-gonic/gin v1.7.1
+	github.com/joho/godotenv v1.3.0
+	github.com/sirupsen/logrus v1.8.1
+)

example/go.sum

@@ -0,0 +1,57 @@
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+github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
+github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
+github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=
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+github.com/gin-gonic/gin v1.7.1 h1:qC89GU3p8TvKWMAVhEpmpB2CIb1hnqt2UdKZaP93mS8=
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+github.com/sirupsen/logrus v1.8.1 h1:dJKuHgqk1NNQlqoA6BTlM1Wf9DOH3NBjQyu0h9+AZZE=
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example/main.go

@@ -0,0 +1,21 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/sirupsen/logrus"
+)
+
+// example usage
+func main() {
+
+	secretKey := util.GodotEnv("JWT_SECRET")
+	userData := map[string]interface{}{"id": 1, "email": "[email protected]"}
+	accessToken, errToken := util.Sign(userData, secretKey, 5) // data -> secretkey -> expireAt
+
+	if errToken != nil {
+		logrus.Fatal(errToken.Error())
+	}
+
+	fmt.Println("my accessToken here", accessToken)
+}

example/utils/dotenv.go

@@ -0,0 +1,20 @@
+package util
+
+import (
+	"os"
+
+	"github.com/joho/godotenv"
+)
+
+func GodotEnv(key string) string {
+	env := make(chan string, 1)
+
+	if os.Getenv("GO_ENV") != "production" {
+		godotenv.Load(".env")
+		env <- os.Getenv(key)
+	} else {
+		 env <- os.Getenv(key)
+	}
+
+	return <-env
+}

example/utils/jwt.go

@@ -0,0 +1,73 @@
+package util
+
+import (
+	"encoding/json"
+	"time"
+
+	"github.com/dgrijalva/jwt-go"
+	"github.com/sirupsen/logrus"
+)
+
+// metadata for your application, change this for your app
+type MetaToken struct {
+	ID            int
+	Email         string
+	ExpiredAt     time.Time
+	Authorization bool
+}
+
+type AccessToken struct {
+	Claims MetaToken
+}
+
+// created accessToken like jwt.sign in javascript
+func SignToken(Data map[string]interface{}, SecrePublicKeyEnvName string, ExpiredAt time.Duration) (string, error) {
+
+	expiredAt := time.Now().Add(time.Duration(time.Second) * ExpiredAt).Unix()
+
+	jwtSecretKey := GodotEnv(SecrePublicKeyEnvName)
+
+	claims := jwt.MapClaims{}
+	claims["expiredAt"] = expiredAt
+	claims["authorization"] = true
+
+	for i, v := range Data {
+		claims[i] = v
+	}
+
+	to := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
+	accessToken, err := to.SignedString([]byte(jwtSecretKey))
+
+	if err != nil {
+		logrus.Error(err.Error())
+		return accessToken, err
+	}
+
+	return accessToken, nil
+}
+
+// verified accessToken like jwt.verify in javascript
+func VerifyToken(accessToken, SecrePublicKeyEnvName string) (*jwt.Token, error) {
+
+	jwtSecretKey := GodotEnv(SecrePublicKeyEnvName)
+
+	token, err := jwt.Parse(accessToken, func(token *jwt.Token) (interface{}, error) {
+		return []byte(jwtSecretKey), nil
+	})
+
+	if err != nil {
+		logrus.Error(err.Error())
+		return nil, err
+	}
+
+	return token, nil
+}
+
+// decode accessToken like jwt.decode in javascript
+func DecodeToken(accessToken *jwt.Token) AccessToken {
+	var token AccessToken
+	stringify, _ := json.Marshal(&accessToken)
+	json.Unmarshal([]byte(stringify), &token)
+
+	return token
+}