Files
gochat/internal/repository/access_token_repo.go
T
2026-06-04 15:44:48 +08:00

96 lines
3.3 KiB
Go

package repository
import (
"context"
"time"
"gorm.io/gorm"
"github.com/gochat/gochat/internal/model"
)
// AccessTokenRepo provides data access for AccessToken with hashed token storage
// and prefix-based lookup (Chatwoot pattern) for security.
// Reference: Chatwoot app/models/access_token.rb + AccessTokenable concern
type AccessTokenRepo struct {
db *gorm.DB
}
// NewAccessTokenRepo creates a new AccessToken repository.
func NewAccessTokenRepo(db *gorm.DB) *AccessTokenRepo {
return &AccessTokenRepo{db: db}
}
// Create inserts a new AccessToken record.
func (r *AccessTokenRepo) Create(ctx context.Context, token *model.AccessToken) error {
return r.db.WithContext(ctx).Create(token).Error
}
// GetByID retrieves an AccessToken by primary key.
func (r *AccessTokenRepo) GetByID(ctx context.Context, id uint) (*model.AccessToken, error) {
var token model.AccessToken
if err := r.db.WithContext(ctx).First(&token, id).Error; err != nil {
return nil, err
}
return &token, nil
}
// FindByTokenPrefix retrieves an AccessToken by its token prefix and owner type.
// This is the primary auth lookup path: the caller extracts the first ~8 chars of
// the plaintext token, looks up the matching record via prefix, then compares the
// full SHA-256 hash stored in Token. Using a prefix index avoids scanning the full
// hashed-token unique index.
func (r *AccessTokenRepo) FindByTokenPrefix(ctx context.Context, prefix, ownerType string) (*model.AccessToken, error) {
var token model.AccessToken
if err := r.db.WithContext(ctx).
Where("token_prefix LIKE ?", prefix).
Where("owner_type = ?", ownerType).
First(&token).Error; err != nil {
return nil, err
}
return &token, nil
}
// FindByOwner retrieves all AccessTokens for a given owner (non-deleted).
func (r *AccessTokenRepo) FindByOwner(ctx context.Context, ownerType string, ownerID uint) ([]model.AccessToken, error) {
var tokens []model.AccessToken
if err := r.db.WithContext(ctx).
Where("owner_type = ? AND owner_id = ?", ownerType, ownerID).
Find(&tokens).Error; err != nil {
return nil, err
}
return tokens, nil
}
// FindActiveByOwner retrieves all non-expired, non-deleted AccessTokens for a given owner.
// Tokens with ExpiresAt before now are excluded.
func (r *AccessTokenRepo) FindActiveByOwner(ctx context.Context, ownerType string, ownerID uint) ([]model.AccessToken, error) {
var tokens []model.AccessToken
now := time.Now()
if err := r.db.WithContext(ctx).
Where("owner_type = ? AND owner_id = ?", ownerType, ownerID).
Where("expires_at IS NULL OR expires_at > ?", now).
Find(&tokens).Error; err != nil {
return nil, err
}
return tokens, nil
}
// Update saves changes to an existing AccessToken.
func (r *AccessTokenRepo) Update(ctx context.Context, token *model.AccessToken) error {
return r.db.WithContext(ctx).Save(token).Error
}
// UpdateLastUsedAt records the current time as LastUsedAt for the given token ID.
func (r *AccessTokenRepo) UpdateLastUsedAt(ctx context.Context, id uint) error {
now := time.Now()
return r.db.WithContext(ctx).
Model(&model.AccessToken{}).
Where("id = ?", id).
Update("last_used_at", now).Error
}
// Delete soft-deletes an AccessToken by ID (sets DeletedAt via gorm.DeletedAt).
func (r *AccessTokenRepo) Delete(ctx context.Context, id uint) error {
return r.db.WithContext(ctx).Delete(&model.AccessToken{}, id).Error
}