333 lines
10 KiB
Go
333 lines
10 KiB
Go
package repository
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"time"
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"code.30cm.net/digimon/app-cloudep-permission-server/pkg/domain"
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"code.30cm.net/digimon/app-cloudep-permission-server/pkg/domain/entity"
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"code.30cm.net/digimon/app-cloudep-permission-server/pkg/domain/repository"
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"github.com/zeromicro/go-zero/core/stores/redis"
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)
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// TokenRepositoryParam token 需要的參數
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type TokenRepositoryParam struct {
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Redis *redis.Redis
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}
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// TokenRepository 用於操作 token 的存儲庫
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type TokenRepository struct {
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TokenRepositoryParam
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}
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// NewTokenRepository 初始化並返回一個 TokenRepository 實例
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func NewTokenRepository(param TokenRepositoryParam) repository.TokenRepo {
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return &TokenRepository{
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TokenRepositoryParam: param,
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}
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}
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// ====================== 私有工具函數 =======================
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// runPipeline 執行 Redis pipeline 操作
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func (repo *TokenRepository) runPipeline(ctx context.Context, pipelineFunc func(tx redis.Pipeliner) error) error {
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return repo.Redis.PipelinedCtx(ctx, pipelineFunc)
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}
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// setToken 使用 Redis pipeline 存儲 token 並設定 TTL
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func (repo *TokenRepository) setToken(ctx context.Context, tx redis.Pipeliner, id string, body []byte, ttl time.Duration) error {
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return tx.Set(ctx, domain.GetAccessTokenRedisKey(id), body, ttl).Err()
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}
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// setRefreshToken 若 token 中有 refresh token，則存儲之（使用 pipeline）
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func (repo *TokenRepository) setRefreshToken(ctx context.Context, tx redis.Pipeliner, token entity.Token, ttl time.Duration) error {
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if token.RefreshToken == "" {
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return nil
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}
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return tx.Set(ctx, domain.GetRefreshTokenRedisKey(token.RefreshToken), token.ID, ttl).Err()
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}
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// setTokenRelation 在 Redis 中設定 token 與 UID/Device 之間的關聯，並設定過期時間
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func (repo *TokenRepository) setTokenRelation(ctx context.Context, tx redis.Pipeliner, uid, deviceID, tokenID string, ttl time.Duration) error {
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// 定義需要執行的操作列表
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operations := []struct {
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key string
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op func() error
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}{
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{
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key: domain.GetUIDTokenRedisKey(uid),
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op: func() error {
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return tx.SAdd(ctx, domain.GetUIDTokenRedisKey(uid), tokenID).Err()
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},
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},
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{
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key: domain.GetDeviceTokenRedisKey(deviceID),
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op: func() error {
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return tx.SAdd(ctx, domain.GetDeviceTokenRedisKey(deviceID), tokenID).Err()
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},
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},
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}
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// 執行每個操作，並為對應 key 設置過期時間
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for _, operation := range operations {
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if err := operation.op(); err != nil {
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return fmt.Errorf("failed to create token relaction: %w", err)
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}
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if err := tx.Expire(ctx, operation.key, ttl).Err(); err != nil {
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return fmt.Errorf("failed to set expire: %w", err)
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}
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}
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return nil
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}
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// retrieveToken 根據指定 key 從 Redis 中獲取 token
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func (repo *TokenRepository) retrieveToken(ctx context.Context, key string) (entity.Token, error) {
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body, err := repo.Redis.GetCtx(ctx, key)
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if err != nil {
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return entity.Token{}, err
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}
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if body == "" {
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return entity.Token{}, fmt.Errorf("failed to found token")
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}
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var token entity.Token
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if err := json.Unmarshal([]byte(body), &token); err != nil {
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return entity.Token{}, fmt.Errorf("failed to unmarshal token JSON: %w", err)
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}
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return token, nil
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}
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// getTokensBySet 根據集合 key 獲取所有 token
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func (repo *TokenRepository) getTokensBySet(ctx context.Context, setKey string) ([]entity.Token, error) {
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ids, err := repo.Redis.Smembers(setKey)
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if err != nil {
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if errors.Is(err, redis.Nil) {
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return nil, nil
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}
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return nil, err
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}
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tokens := make([]entity.Token, 0, len(ids))
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var tokensToDelete []string
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now := time.Now().UnixNano()
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for _, id := range ids {
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token, err := repo.retrieveToken(ctx, domain.GetAccessTokenRedisKey(id))
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if err != nil {
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tokensToDelete = append(tokensToDelete, id)
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continue
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}
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if token.ExpiresIn < now {
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tokensToDelete = append(tokensToDelete, id)
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continue
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}
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tokens = append(tokens, token)
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}
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// 清除過期或錯誤的 token
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if len(tokensToDelete) > 0 {
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_ = repo.DeleteAccessTokenByID(ctx, tokensToDelete)
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}
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return tokens, nil
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}
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// getCountBySet 獲取集合中元素的數量
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func (repo *TokenRepository) getCountBySet(ctx context.Context, setKey string) (int, error) {
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count, err := repo.Redis.ScardCtx(ctx, setKey)
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if err != nil {
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return 0, err
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}
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return int(count), nil
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}
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// deleteKeysAndRelations 刪除指定的 Redis key 並移除相關關聯（UID 與 DeviceID）
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func (repo *TokenRepository) deleteKeysAndRelations(ctx context.Context, keys []string, uid, deviceID, tokenID string) error {
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err := repo.Redis.Pipelined(func(tx redis.Pipeliner) error {
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// 移除 UID 與 DeviceID 關聯中的 tokenID
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_ = tx.SRem(ctx, domain.GetUIDTokenRedisKey(uid), tokenID)
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_ = tx.SRem(ctx, domain.GetDeviceTokenRedisKey(deviceID), tokenID)
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// 刪除所有指定的 keys
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for _, key := range keys {
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_ = tx.Del(ctx, key)
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}
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return nil
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})
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return err
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}
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// batchDeleteKeys 批量刪除 Redis keys
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func (repo *TokenRepository) batchDeleteKeys(ctx context.Context, keys ...string) error {
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return repo.Redis.Pipelined(func(tx redis.Pipeliner) error {
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for _, key := range keys {
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if err := tx.Del(ctx, key).Err(); err != nil {
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return err
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}
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}
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return nil
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})
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}
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// ====================== 公開方法 =======================
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// Create 創建新的 token
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func (repo *TokenRepository) Create(ctx context.Context, token entity.Token) error {
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binToken, err := json.Marshal(token)
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if err != nil {
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return err
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}
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// 根據 token 設定 refresh 過期秒數計算 TTL
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refreshTTL := time.Duration(token.RedisRefreshExpiredSec()) * time.Second
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return repo.runPipeline(ctx, func(tx redis.Pipeliner) error {
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if err := repo.setToken(ctx, tx, token.ID, binToken, refreshTTL); err != nil {
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return err
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}
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if err := repo.setRefreshToken(ctx, tx, token, refreshTTL); err != nil {
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return err
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}
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if err := repo.setTokenRelation(ctx, tx, token.UID, token.DeviceID, token.ID, refreshTTL); err != nil {
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return err
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}
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return nil
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})
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}
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// CreateOneTimeToken 創建一次性 token
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func (repo *TokenRepository) CreateOneTimeToken(ctx context.Context, key string, ticket entity.Ticket, dt time.Duration) error {
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body, err := json.Marshal(ticket)
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if err != nil {
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return err
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}
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_, err = repo.Redis.SetnxExCtx(ctx, domain.GetRefreshTokenRedisKey(key), string(body), int(dt.Seconds()))
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return err
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}
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// GetAccessTokenByOneTimeToken 根據一次性 token 獲取 access token
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func (repo *TokenRepository) GetAccessTokenByOneTimeToken(ctx context.Context, oneTimeToken string) (entity.Token, error) {
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return repo.retrieveToken(ctx, domain.GetRefreshTokenRedisKey(oneTimeToken))
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}
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// GetAccessTokenByID 根據 token ID 獲取 access token
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func (repo *TokenRepository) GetAccessTokenByID(ctx context.Context, id string) (entity.Token, error) {
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return repo.retrieveToken(ctx, domain.GetAccessTokenRedisKey(id))
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}
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// GetAccessTokensByUID 根據 UID 獲取所有 access tokens
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func (repo *TokenRepository) GetAccessTokensByUID(ctx context.Context, uid string) ([]entity.Token, error) {
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return repo.getTokensBySet(ctx, domain.GetUIDTokenRedisKey(uid))
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}
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// GetAccessTokenCountByUID 根據 UID 獲取 access token 的數量
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func (repo *TokenRepository) GetAccessTokenCountByUID(ctx context.Context, uid string) (int, error) {
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return repo.getCountBySet(ctx, domain.GetUIDTokenRedisKey(uid))
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}
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// GetAccessTokensByDeviceID 根據 DeviceID 獲取所有 access tokens
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func (repo *TokenRepository) GetAccessTokensByDeviceID(ctx context.Context, deviceID string) ([]entity.Token, error) {
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return repo.getTokensBySet(ctx, domain.GetDeviceTokenRedisKey(deviceID))
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}
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// GetAccessTokenCountByDeviceID 根據 DeviceID 獲取 access token 的數量
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func (repo *TokenRepository) GetAccessTokenCountByDeviceID(ctx context.Context, deviceID string) (int, error) {
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return repo.getCountBySet(ctx, domain.GetDeviceTokenRedisKey(deviceID))
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}
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// Delete 刪除指定的 token
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func (repo *TokenRepository) Delete(ctx context.Context, token entity.Token) error {
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keys := []string{
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domain.GetAccessTokenRedisKey(token.ID),
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domain.GetRefreshTokenRedisKey(token.RefreshToken),
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}
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return repo.deleteKeysAndRelations(ctx, keys, token.UID, token.DeviceID, token.ID)
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}
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// DeleteAccessTokenByID 根據 token ID 刪除 access token
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func (repo *TokenRepository) DeleteAccessTokenByID(ctx context.Context, ids []string) error {
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for _, tokenID := range ids {
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token, err := repo.GetAccessTokenByID(ctx, tokenID)
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if err != nil {
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continue
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}
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keys := []string{
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domain.GetAccessTokenRedisKey(token.ID),
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domain.GetRefreshTokenRedisKey(token.RefreshToken),
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}
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_ = repo.deleteKeysAndRelations(ctx, keys, token.UID, token.DeviceID, token.ID)
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}
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return nil
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}
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// DeleteAccessTokensByUID 根據 UID 刪除所有 access tokens
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func (repo *TokenRepository) DeleteAccessTokensByUID(ctx context.Context, uid string) error {
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tokens, err := repo.GetAccessTokensByUID(ctx, uid)
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if err != nil {
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return err
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}
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for _, token := range tokens {
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if err := repo.Delete(ctx, token); err != nil {
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return err
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}
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}
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return nil
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}
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// DeleteAccessTokensByDeviceID 根據 DeviceID 刪除所有 access tokens
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func (repo *TokenRepository) DeleteAccessTokensByDeviceID(ctx context.Context, deviceID string) error {
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tokens, err := repo.GetAccessTokensByDeviceID(ctx, deviceID)
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if err != nil {
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return err
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}
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// 預分配 keys：每個 token 包含兩個 key
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keys := make([]string, 0, len(tokens)*2)
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for _, token := range tokens {
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keys = append(keys, domain.GetAccessTokenRedisKey(token.ID))
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keys = append(keys, domain.GetRefreshTokenRedisKey(token.RefreshToken))
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}
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// 移除 UID 關聯中的 tokenID
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if err := repo.runPipeline(ctx, func(tx redis.Pipeliner) error {
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for _, token := range tokens {
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_ = tx.SRem(ctx, domain.GetUIDTokenRedisKey(token.UID), token.ID)
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}
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return nil
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}); err != nil {
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return err
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}
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if err := repo.batchDeleteKeys(ctx, keys...); err != nil {
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return err
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}
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_, err = repo.Redis.Del(domain.GetDeviceTokenRedisKey(deviceID))
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return err
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}
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// DeleteOneTimeToken 刪除一次性 token（支持多個 key 一併刪除）
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func (repo *TokenRepository) DeleteOneTimeToken(ctx context.Context, ids []string, tokens []entity.Token) error {
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totalKeys := len(ids) + len(tokens)
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keys := make([]string, 0, totalKeys)
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for _, id := range ids {
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keys = append(keys, domain.GetRefreshTokenRedisKey(id))
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}
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for _, token := range tokens {
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keys = append(keys, domain.GetRefreshTokenRedisKey(token.RefreshToken))
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}
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return repo.batchDeleteKeys(ctx, keys...)
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}
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