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login.controller.go
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/
login.controller.go
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package main
import (
"github.com/SermoDigital/jose/crypto"
"github.com/SermoDigital/jose/jws"
"github.com/gin-gonic/gin"
"github.com/gin-gonic/gin/binding"
"io/ioutil"
"os"
"strconv"
"time"
)
/**
* @api {post} /v1/auth/login Request User Login
* @apiName UserLogin
* @apiGroup Authorization
* @apiVersion 0.1.0
*
* @apiParam (Request body) {String} mobile User mobile number.
* @apiParam (Request body) {String} password User password.
*/
func loginController(c *gin.Context) {
var request struct {
Mobile string `json:"mobile" binding:"required,gte=10,lte=12"`
Password string `json:"password" binding:"required,gte=0,lte=255"`
}
if err := c.ShouldBindWith(&request, binding.JSON); err != nil {
c.JSON(400, gin.H{"message": err.Error()})
return
}
var user User
err := MySql.Select("*").From("users").
Where("mobile", request.Mobile).
Where("password", GetMD5Hash(request.Password)).
One(&user)
if err != nil {
c.JSON(400, gin.H{"message": "Mobile or password incorrect"})
return
}
token, err := generateToken(user)
if err != nil {
c.JSON(400, gin.H{"message": err.Error()})
return
}
c.JSON(200, gin.H{
"token": token,
})
}
func generateToken(user User) (string, error) {
keyBytes, err := ioutil.ReadFile(os.Getenv("JWT_RSA_PRIVATE_KEY_PATH"))
if err != nil {
return "", err
}
claims := jws.Claims{
"user": struct {
Name string `json:"name"`
Status string `json:"status"`
Type string `json:"type"`
}{
Name: user.Name,
Status: user.Status,
Type: user.Type,
},
}
exp, err := strconv.Atoi(os.Getenv("JWT_EXPIRATION"))
if err != nil {
return "", err
}
claims.SetExpiration(time.Now().Add(time.Duration(60 * 60 * 24 * time.Duration(exp) * time.Second)))
claims.SetIssuer(os.Getenv("JWT_ISSUER"))
claims.SetAudience(os.Getenv("JWT_AUDIENCE"))
claims.SetIssuedAt(time.Now())
claims.SetNotBefore(time.Now())
claims.SetSubject(strconv.FormatUint(uint64(user.ID), 10)) // set user id
claims.SetJWTID("123") // set token id
rsaPrivate, err := crypto.ParseRSAPrivateKeyFromPEM([]byte(keyBytes))
if err != nil {
return "", err
}
jwt := jws.NewJWT(claims, crypto.SigningMethodRS256)
token, err := jwt.Serialize(rsaPrivate)
if err != nil {
return "", err
}
return string(token), nil
}