package main
import (
"fmt"
"github.com/google/uuid"
"github.com/loveuer/nf"
"log"
"net/http"
)
// 假设这是你的用户认证函数
func authenticateUser(username, password string) (bool, error) {
// 这里你应该实现真实的用户认证逻辑
// 为了简化，我们这里直接硬编码一个用户名和密码
if username == "user" && password == "pass" {
return true, nil
}
return false, fmt.Errorf("invalid username or password")
}
// 处理登录请求
func handleLogin(c *nf.Ctx) error {
username := c.FormValue("username")
password := c.FormValue("password")
// 认证用户
ok, err := authenticateUser(username, password)
if err != nil || !ok {
return c.Status(http.StatusUnauthorized).SendString("Unauthorized")
}
// 用户认证成功，重定向到授权页面
http.Redirect(c.Writer, c.Request, "/authorize?client_id=12345&response_type=code&redirect_uri=http%3A%2F%2Flocalhost%3A8080%2Fcallback&scope=read%20write", http.StatusFound)
return nil
}
// 处理授权请求
func handleAuthorize(c *nf.Ctx) error {
// 解析查询参数
clientID := c.Query("client_id")
responseType := c.Query("response_type")
redirectURI := c.Query("redirect_uri")
scope := c.Query("scope")
// 检查客户端 ID 和其他参数
// 在实际应用中，你需要检查这些参数是否合法
if clientID != "12345" || responseType != "code" || redirectURI != "http://localhost:8080/callback" {
return c.Status(http.StatusBadRequest).SendString("Invalid request")
}
// 显示授权页面给用户
_, err := c.Write([]byte(`
Authorization
Do you want to authorize this application?
`))
return err
}
// 处理用户的授权批准
func handleApprove(c *nf.Ctx) error {
// 获取表单数据
clientID := c.FormValue("client_id")
redirectURI := c.FormValue("redirect_uri")
scope := c.FormValue("scope")
// 生成授权码
authorizationCode := uuid.New().String()[:8]
log.Printf("[D] client_id = %s, scope = %s, auth_code = %s", clientID, scope, authorizationCode)
// 重定向到回调 URL 并附带授权码
http.Redirect(c.Writer, c.Request, redirectURI+"?code="+authorizationCode, http.StatusFound)
return nil
}
func main() {
app := nf.New()
// 设置路由
app.Get("/login", handleLogin)
app.Get("/authorize", handleAuthorize)
app.Post("/approve", handleApprove)
// 启动 HTTP 服务器
log.Println("Starting server on :8080")
log.Fatal(app.Run(":8080"))
}