一 引入jwt
jwt用户身份验证
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go get github.com/dgrijalva/jwt-go |
二 框架中引入jwt
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import ( "fmt" "github.com/astaxie/beego" "github.com/dgrijalva/jwt-go" "time") |
三 使用
声明jwt需要用到的结构体
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const ( KEY string = "JWT-ARY-STARK" DEFAULT_EXPIRE_SECONDS int = 600 //默认过期时间（s）)type User struct { Id string `json:"id"` Name string `json:"json"`}// JWT -- json web token// HEADER PAYLOAD SIGNATURE// This struct is the PAYLOADtype MyCustomClaims struct { User jwt.StandardClaims} |
结果
1234567891011121314151617
封装方法
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//刷新jwt tokenfunc RefreshToken(tokenString string) (string, error) { // first get previous token token, err := jwt.ParseWithClaims( tokenString, &MyCustomClaims{}, func(token *jwt.Token) (interface{}, error) { return []byte(KEY), nil }) claims, ok := token.Claims.(*MyCustomClaims) if !ok || !token.Valid { return "", err } mySigningKey := []byte(KEY) expireAt := time.Now().Add(time.Second * time.Duration(DEFAULT_EXPIRE_SECONDS)).Unix() newClaims := MyCustomClaims{ claims.User, jwt.StandardClaims{ ExpiresAt: expireAt, Issuer: claims.User.Name, IssuedAt: time.Now().Unix(), }, } // generate new token with new claims newToken := jwt.NewWithClaims(jwt.SigningMethodHS256, newClaims) tokenStr, err := newToken.SignedString(mySigningKey) if err != nil { fmt.Println("generate new fresh json web token failed !! error :", err) return "", err } return tokenStr, err}//验证jtw tokenfunc ValidateToken(tokenString string) (info User, err error) { token, err := jwt.ParseWithClaims( tokenString, &MyCustomClaims{}, func(token *jwt.Token) (interface{}, error) { return []byte(KEY), nil }) if claims, ok := token.Claims.(*MyCustomClaims); ok && token.Valid { //fmt.Printf("%v %v", claims.User, claims.StandardClaims.ExpiresAt) //fmt.Println("token will be expired at ", time.Unix(claims.StandardClaims.ExpiresAt, 0)) info = claims.User } else { fmt.Println("validate tokenString failed !!!", err) } return}//获取jwt tokenfunc GenerateToken(info *User, expiredSeconds int) (tokenString string, err error) { if expiredSeconds == 0 { expiredSeconds = DEFAULT_EXPIRE_SECONDS } // Create the Claims mySigningKey := []byte(KEY) expireAt := time.Now().Add(time.Second * time.Duration(expiredSeconds)).Unix() fmt.Println("token will be expired at ", time.Unix(expireAt, 0)) // pass parameter to this func or not user := *info claims := MyCustomClaims{ user, jwt.StandardClaims{ ExpiresAt: expireAt, Issuer: user.Name, IssuedAt: time.Now().Unix(), }, } token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims) tokenStr, err := token.SignedString(mySigningKey) if err != nil { fmt.Println("generate json web token failed !! error :", err) } else { tokenString = tokenStr } return}// return this result to client then all later request should have header "Authorization: Bearer <token> "func getHeaderTokenValue(tokenString string) string { //Authorization: Bearer <token> return fmt.Sprintf("Bearer %s", tokenString)} |
结果
12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485
使用
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//获取tokenfunc (this *UserController) Get() { user := User{1, "gangan"} token, err := GenerateToken(&user, 0); if err != nil { fmt.Println(err) }else { //获取jwt this.Ctx.WriteString(token) }}//验证tokenfunc (this *UserController) Check() { token := "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6MSwianNvbiI6ImdhbmdhbiIsImV4cCI6MTU3ODU1NDMyOCwiaWF0IjoxNTc4NTUzNzI4LCJpc3MiOiJnYW5nYW4ifQ.jOlMlfLMFBJvyrJTLagrwQx2931LzM7Z0EVMFZ75xYI" info, err := ValidateToken(token) if err != nil { this.Ctx.WriteString(err.Error()) this.StopRun() } fmt.Println(info) this.Ctx.WriteString("success")} |
以上就是go语言beego框架jwt身份认证实现示例的详细内容，更多关于go beego框架jwt身份认证的资料请关注服务器之家其它相关文章！
原文链接：https://www.cnblogs.com/guyouyin123/p/14085032.html
