mirror of
https://github.com/astaxie/beego.git
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136 lines
3.6 KiB
Go
136 lines
3.6 KiB
Go
// Copyright 2014 beego Author. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package jwt provides JWT (Json Web Token) authentication
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//
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// Usage
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// In file main.go
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//
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// import (
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// "github.com/astaxie/beego"
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// "github.com/astaxie/beego/plugins/jwt"
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// )
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//
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// func main() {
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// // JWT for Url matching /v1/*
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// // PrivateKeyPath: The path for the private RSA key used by JWT
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// // PublicKeyPath: The path for the public RSA key used by JWT
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// // The list of Urls should be excluded from the JWT Auth
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// beego.InsertFilter("/v1/*", beego.BeforeRouter, jwt.AuthRequest(&jwt.Options{
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// PrivateKeyPath: "conf/beeblog.rsa",
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// PublicKeyPath: "conf/beeblog.rsa.pub",
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// WhiteList: []string{"/v1/jwt/issue-token", "/docs"},
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// }))
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// beego.Run()
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// }
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//
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// In file routers/router.go
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//
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// import (
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// "github.com/astaxie/beego"
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// "github.com/astaxie/beego/plugins/jwt"
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// )
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// func init() {
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// ns := beego.NSNamespace("/jwt",
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// beego.NSInclude(
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// &jwt.JwtController{},
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// ),
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// )
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// beego.AddNamespace(ns)
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// }
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//
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package jwt
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import (
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"github.com/astaxie/beego"
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"github.com/astaxie/beego/context"
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"github.com/astaxie/beego/logs"
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goJwt "github.com/dgrijalva/jwt-go"
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"io/ioutil"
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"net/http"
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"time"
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)
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// Options for the JWT Auth
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type Options struct {
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PrivateKeyPath string
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PublicKeyPath string
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WhiteList []string
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}
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var RSAKeys struct {
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PrivateKey []byte
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PublicKey []byte
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}
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func AuthRequest(o *Options) beego.FilterFunc {
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RSAKeys.PrivateKey, _ = ioutil.ReadFile(o.PrivateKeyPath)
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RSAKeys.PublicKey, _ = ioutil.ReadFile(o.PublicKeyPath)
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return func(ctx *context.Context) {
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// :TODO the url patterns should be considered here.
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// Shouldn't only use the string equal
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for _, method := range o.WhiteList {
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if method == ctx.Request.URL.Path {
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return
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}
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}
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parsedToken, err := goJwt.ParseFromRequest(ctx.Request, func(t *goJwt.Token) (interface{}, error) {
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return RSAKeys.PublicKey, nil
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})
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if err == nil && parsedToken.Valid {
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ctx.Output.SetStatus(http.StatusOK)
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} else {
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ctx.Output.SetStatus(http.StatusUnauthorized)
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}
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}
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}
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// oprations for Jwt
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type JwtController struct {
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beego.Controller
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}
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func (this *JwtController) URLMapping() {
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this.Mapping("IssueToken", this.IssueToken)
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}
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// @Title IssueToken
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// @Description Issue a Json Web Token
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// @Success 200 string
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// @Failure 403 no privilege to access
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// @Failure 500 server inner error
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// @router /issue-token [get]
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func (this *JwtController) IssueToken() {
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this.Data["json"] = CreateToken()
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this.ServeJson()
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}
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func CreateToken() map[string]string {
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log := logs.NewLogger(10000)
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log.SetLogger("console", "")
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token := goJwt.New(goJwt.GetSigningMethod("RS256")) // Create a Token that will be signed with RSA 256.
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token.Claims["ID"] = "This is my super fake ID"
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token.Claims["exp"] = time.Now().Unix() + 36000
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// The claims object allows you to store information in the actual token.
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tokenString, _ := token.SignedString(RSAKeys.PrivateKey)
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// tokenString Contains the actual token you should share with your client.
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return map[string]string{"token": tokenString}
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}
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