draincloud-core/internal/app/handlers/register.go
2025-01-02 15:34:47 -08:00

122 lines
3.3 KiB
Go

package handlers
import (
"context"
"encoding/json"
"fmt"
"time"
"git.optclblast.xyz/draincloud/draincloud-core/internal/common"
"git.optclblast.xyz/draincloud/draincloud-core/internal/domain"
"git.optclblast.xyz/draincloud/draincloud-core/internal/handler"
"git.optclblast.xyz/draincloud/draincloud-core/internal/logger"
"git.optclblast.xyz/draincloud/draincloud-core/internal/storage"
"git.optclblast.xyz/draincloud/draincloud-core/internal/storage/models"
"github.com/google/uuid"
"golang.org/x/crypto/bcrypt"
)
type RegisterHandler struct {
*handler.BaseHandler
authStorage storage.AuthStorage
}
func NewRegisterHandler(
authStorage storage.AuthStorage,
) *RegisterHandler {
h := &RegisterHandler{
authStorage: authStorage,
BaseHandler: handler.New().
WithName("registerv1").
WithRequiredResolveParams(),
}
h.WithProcessFunc(h.process)
return h
}
func (h *RegisterHandler) process(ctx context.Context, req *common.Request, w handler.Writer) error {
regReq := new(domain.RegisterRequest)
if err := json.Unmarshal(req.Body, regReq); err != nil {
return err
}
resp, err := h.register(ctx, regReq, w)
if err != nil {
return fmt.Errorf("failed to register user: %w", err)
}
w.Write(ctx, resp)
return nil
}
func (d *RegisterHandler) register(
ctx context.Context,
req *domain.RegisterRequest,
w handler.Writer,
) (*domain.RegisterResponse, error) {
if err := validateLoginAndPassword(req.Login, req.Password); err != nil {
return nil, fmt.Errorf("invalid creds: %w", err)
}
passwordHash, err := bcrypt.GenerateFromPassword([]byte(req.Password), 10)
if err != nil {
logger.Error(ctx, "[register] failed to generate password hash", logger.Err(err))
return nil, fmt.Errorf("failed to generate password hash: %w", err)
}
userID, err := uuid.NewV7()
if err != nil {
return nil, fmt.Errorf("failed to generate user id: %w", err)
}
user := &models.User{
ID: userID,
Username: req.Login,
Login: req.Login,
PasswordHash: passwordHash,
}
err = d.authStorage.AddUser(ctx, userID, user.Login, user.Username, user.PasswordHash)
if err != nil {
return nil, fmt.Errorf("failed to add new user: %w", err)
}
sessionCreatedAt := time.Now()
sessionExpiredAt := sessionCreatedAt.Add(time.Hour * 24 * 7)
sessionToken, err := generateSessionToken(100)
if err != nil {
return nil, fmt.Errorf("failed to generate a session token: %w", err)
}
w.SetCookie(sessionTokenCookie, sessionToken, int(sessionExpiredAt.Sub(sessionCreatedAt).Seconds()), "_path", "_domain", true, true)
csrfToken, err := generateSessionToken(100)
if err != nil {
return nil, fmt.Errorf("failed to generate a csrf token: %w", err)
}
w.SetCookie(csrfTokenCookie, csrfToken, int(sessionExpiredAt.Sub(sessionCreatedAt).Seconds()), "_path", "_domain", true, false)
sessionID, err := uuid.NewV7()
if err != nil {
return nil, fmt.Errorf("failed to generate session id: %w", err)
}
if _, err = d.authStorage.AddSession(ctx, &models.Session{
ID: sessionID,
SessionToken: sessionToken,
CsrfToken: csrfToken,
UserID: user.ID,
CreatedAt: sessionCreatedAt,
ExpiredAt: sessionExpiredAt,
}); err != nil {
return nil, fmt.Errorf("failed to save session: %w", err)
}
return &domain.RegisterResponse{
Ok: true,
}, nil
}