90 lines
2.1 KiB
Go
90 lines
2.1 KiB
Go
package api
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import (
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"database/sql"
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"errors"
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"fmt"
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"net/http"
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"time"
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"github.com/gin-gonic/gin"
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)
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type renewAccessTokenRequest struct {
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RefreshToken string `json:"refresh_token" binding:"required"`
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}
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type renewAccessTokenResponse struct {
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AccessToken string `json:"access_token"`
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AccessTokenExpiresAt time.Time `json:"access_token_expires_at"`
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}
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func (server *Server) renewAccessToken(ctx *gin.Context) {
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var req renewAccessTokenRequest
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if err := ctx.ShouldBindJSON(&req); err != nil {
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ctx.JSON(http.StatusBadRequest, errorResponse(err))
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return
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}
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refreshPayload, err := server.tokenMaker.VerifyToken(req.RefreshToken)
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if err != nil {
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ctx.JSON(http.StatusUnauthorized, errorResponse(err))
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return
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}
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session, err := server.store.GetSession(ctx, refreshPayload.ID)
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if err != nil {
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if errors.Is(err, sql.ErrNoRows) {
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ctx.JSON(http.StatusNotFound, errorResponse(err))
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return
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}
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ctx.JSON(http.StatusInternalServerError, errorResponse(err))
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return
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}
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if session.IsBlocked {
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err := fmt.Errorf("blocked session")
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ctx.JSON(http.StatusUnauthorized, errorResponse(err))
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return
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}
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if session.Email != refreshPayload.Email {
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err := fmt.Errorf("incorrect session user")
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ctx.JSON(http.StatusUnauthorized, errorResponse(err))
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return
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}
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if session.RefreshToken != req.RefreshToken {
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err := fmt.Errorf("mismatched session token")
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ctx.JSON(http.StatusUnauthorized, errorResponse(err))
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return
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}
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if time.Now().After(session.ExpiresAt) {
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err := fmt.Errorf("expired session")
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ctx.JSON(http.StatusUnauthorized, errorResponse(err))
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return
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}
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id, err := server.tokenMaker.NewTokenID()
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if err != nil {
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ctx.JSON(http.StatusInternalServerError, errorResponse(errors.New("failed to create session token")))
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}
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accessToken, accessPayload, err := server.tokenMaker.CreateToken(
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refreshPayload.Email,
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id,
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server.config.AccessTokenDuration,
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)
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if err != nil {
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ctx.JSON(http.StatusInternalServerError, errorResponse(err))
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return
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}
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rsp := renewAccessTokenResponse{
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AccessToken: accessToken,
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AccessTokenExpiresAt: accessPayload.ExpiredAt,
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}
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ctx.JSON(http.StatusOK, rsp)
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}
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