john-okeefe
2c560c411e
- Add transaction manager for multi-step database operations - Add standardized error response middleware - Add HTTPError type for typed errors - Add RespondWithError and RespondWithHTTPError helpers - Support automatic rollback on errors
108 lines
3.2 KiB
Go
108 lines
3.2 KiB
Go
package handlers
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import (
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"bookmann/internal/database"
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"context"
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"net/http"
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"time"
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"github.com/google/uuid"
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"github.com/jackc/pgx/v5"
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"github.com/jackc/pgx/v5/pgtype"
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"github.com/labstack/echo/v4"
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)
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const (
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refreshTokenExpiration = 7 * 24 * time.Hour // 7 days
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)
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type RefreshTokenRequest struct {
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RefreshToken string `json:"refresh_token" validate:"required"`
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}
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type RefreshTokenResponse struct {
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AccessToken string `json:"access_token"`
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TokenType string `json:"token_type"`
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ExpiresIn int `json:"expires_in"` // seconds
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}
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// RefreshAccessToken handles POST /api/auth/refresh
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func (h *AuthHandler) RefreshAccessToken(c echo.Context) error {
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var req RefreshTokenRequest
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if err := c.Bind(&req); err != nil {
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return c.JSON(http.StatusBadRequest, map[string]string{"error": "invalid request"})
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}
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if err := c.Validate(&req); err != nil {
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return c.JSON(http.StatusBadRequest, map[string]string{"error": err.Error()})
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}
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// Get refresh token from database
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tokenInfo, err := h.db.GetRefreshToken(c.Request().Context(), req.RefreshToken)
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if err != nil {
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if err == pgx.ErrNoRows {
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return c.JSON(http.StatusUnauthorized, map[string]string{"error": "invalid or expired refresh token"})
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}
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return c.JSON(http.StatusInternalServerError, map[string]string{"error": "failed to validate refresh token"})
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}
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// Generate new access token
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accessToken, err := h.generateJWTWithAllClaims(
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uuid.UUID(tokenInfo.UserID.Bytes).String(),
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tokenInfo.Role,
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tokenInfo.Email,
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tokenInfo.Username,
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)
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if err != nil {
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return c.JSON(http.StatusInternalServerError, map[string]string{"error": "failed to generate access token"})
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}
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return c.JSON(http.StatusOK, RefreshTokenResponse{
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AccessToken: accessToken,
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TokenType: "Bearer",
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ExpiresIn: 3600, // 1 hour in seconds
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})
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}
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// Logout handles POST /api/auth/logout
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func (h *AuthHandler) Logout(c echo.Context) error {
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var req RefreshTokenRequest
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if err := c.Bind(&req); err != nil {
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// If no refresh token provided, just return success
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return c.JSON(http.StatusOK, map[string]string{"message": "logged out successfully"})
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}
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// Revoke the refresh token if provided
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err := h.db.RevokeRefreshToken(c.Request().Context(), req.RefreshToken)
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if err != nil && err != pgx.ErrNoRows {
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return c.JSON(http.StatusInternalServerError, map[string]string{"error": "failed to revoke refresh token"})
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}
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return c.JSON(http.StatusOK, map[string]string{"message": "logged out successfully"})
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}
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// CreateRefreshToken creates a new refresh token for a user
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func (h *AuthHandler) CreateRefreshToken(userID uuid.UUID) (string, string, error) {
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// Generate refresh token
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tokenUUID := uuid.New()
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refreshToken := tokenUUID.String()
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// Store in database (plain text for simplicity - tokens are already random UUIDs)
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expiresAt := time.Now().Add(refreshTokenExpiration)
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_, err := h.db.CreateRefreshToken(context.Background(), database.CreateRefreshTokenParams{
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UserID: pgtype.UUID{Bytes: [16]byte(userID), Valid: true},
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Token: refreshToken,
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ExpiresAt: pgtype.Timestamptz{Time: expiresAt, Valid: true},
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})
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if err != nil {
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return "", "", err
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}
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// Generate new access token
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accessToken, err := h.generateJWT(userID.String())
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if err != nil {
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return "", "", err
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}
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return accessToken, refreshToken, nil
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}
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