151 lines
4.6 KiB
Go
151 lines
4.6 KiB
Go
package auth
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import (
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"errors"
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"net/http"
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"time"
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"skeleton/database"
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"skeleton/middlewares"
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"skeleton/models"
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"skeleton/utils"
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"github.com/gin-gonic/gin"
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"golang.org/x/crypto/bcrypt"
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"gorm.io/gorm"
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)
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type Controller struct{}
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func NewController() *Controller { return &Controller{} }
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// Register godoc
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// @Summary 注册示例用户
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// @Tags auth
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// @Accept json
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// @Produce json
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// @Param body body Credentials true "注册信息"
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// @Success 200 {object} utils.APIResponse{data=UserResponse}
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// @Router /auth/register [post]
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func (c *Controller) Register(ctx *gin.Context) {
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var input Credentials
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if err := ctx.ShouldBindJSON(&input); err != nil {
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ctx.JSON(http.StatusOK, utils.Failure(400, err.Error()))
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return
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}
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hash, err := bcrypt.GenerateFromPassword([]byte(input.Password), bcrypt.DefaultCost)
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if err != nil {
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ctx.JSON(http.StatusOK, utils.Failure(500, "密码处理失败"))
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return
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}
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user := models.User{Username: input.Username, Password: string(hash)}
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if err := database.GetDB().Create(&user).Error; err != nil {
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ctx.JSON(http.StatusOK, utils.Failure(409, "用户名已存在或数据无效"))
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return
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}
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ctx.JSON(http.StatusOK, utils.Success(UserResponse{ID: user.ID, Username: user.Username}))
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}
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// Login godoc
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// @Summary 用户登录
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// @Tags auth
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// @Accept json
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// @Produce json
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// @Param body body Credentials true "登录信息"
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// @Success 200 {object} utils.APIResponse{data=middlewares.TokenPair}
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// @Router /auth/login [post]
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func (c *Controller) Login(ctx *gin.Context) {
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var input Credentials
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if err := ctx.ShouldBindJSON(&input); err != nil {
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ctx.JSON(http.StatusOK, utils.Failure(400, err.Error()))
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return
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}
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var user models.User
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err := database.GetDB().Where("username = ?", input.Username).First(&user).Error
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if errors.Is(err, gorm.ErrRecordNotFound) {
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ctx.JSON(http.StatusOK, utils.Failure(401, "用户名或密码错误"))
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return
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}
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if err != nil {
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ctx.JSON(http.StatusOK, utils.Failure(500, "查询用户失败"))
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return
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}
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if bcrypt.CompareHashAndPassword([]byte(user.Password), []byte(input.Password)) != nil {
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ctx.JSON(http.StatusOK, utils.Failure(401, "用户名或密码错误"))
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return
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}
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pair, err := middlewares.GenerateTokenPair(int(user.ID), user.Username)
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if err != nil {
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ctx.JSON(http.StatusOK, utils.Failure(500, "生成 token 失败"))
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return
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}
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ctx.JSON(http.StatusOK, utils.Success(pair))
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}
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// Refresh godoc
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// @Summary 刷新并轮换 Token
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// @Tags auth
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// @Accept json
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// @Produce json
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// @Param body body RefreshRequest true "Refresh Token"
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// @Success 200 {object} utils.APIResponse{data=middlewares.TokenPair}
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// @Router /auth/refresh [post]
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func (c *Controller) Refresh(ctx *gin.Context) {
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var input RefreshRequest
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if err := ctx.ShouldBindJSON(&input); err != nil {
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ctx.JSON(http.StatusOK, utils.Failure(400, err.Error()))
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return
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}
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claims, err := middlewares.ParseToken(input.RefreshToken)
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if err != nil || claims.TokenType != middlewares.TokenTypeRefresh {
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ctx.JSON(http.StatusOK, utils.Failure(401, "refresh token 无效或已过期"))
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return
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}
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revoked, err := database.IsTokenRevoked(ctx.Request.Context(), claims.ID)
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if err != nil || revoked {
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ctx.JSON(http.StatusOK, utils.Failure(401, "refresh token 已撤销"))
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return
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}
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if err := revokeClaims(ctx, claims); err != nil {
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ctx.JSON(http.StatusOK, utils.Failure(500, "撤销旧 token 失败"))
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return
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}
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pair, err := middlewares.GenerateTokenPair(claims.UserID, claims.Username)
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if err != nil {
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ctx.JSON(http.StatusOK, utils.Failure(500, "生成 token 失败"))
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return
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}
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ctx.JSON(http.StatusOK, utils.Success(pair))
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}
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// Logout godoc
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// @Summary 注销并撤销 Token
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// @Tags auth
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// @Security BearerAuth
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// @Accept json
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// @Produce json
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// @Param body body LogoutRequest false "可选 Refresh Token"
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// @Success 200 {object} utils.APIResponse
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// @Router /private/auth/logout [post]
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func (c *Controller) Logout(ctx *gin.Context) {
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claims, _ := middlewares.GetCurrentClaims(ctx)
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if err := revokeClaims(ctx, claims); err != nil {
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ctx.JSON(http.StatusOK, utils.Failure(500, "撤销 access token 失败"))
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return
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}
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var input LogoutRequest
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if ctx.ShouldBindJSON(&input) == nil && input.RefreshToken != "" {
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if refreshClaims, err := middlewares.ParseToken(input.RefreshToken); err == nil && refreshClaims.TokenType == middlewares.TokenTypeRefresh {
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_ = revokeClaims(ctx, refreshClaims)
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}
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}
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ctx.JSON(http.StatusOK, utils.Success(nil))
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}
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func revokeClaims(ctx *gin.Context, claims *middlewares.JWTClaims) error {
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if claims == nil || claims.ExpiresAt == nil {
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return nil
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}
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return database.RevokeToken(ctx.Request.Context(), claims.ID, time.Until(claims.ExpiresAt.Time))
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}
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