chore: remove leftover grpc auth client (will be re-integrated as Kratos middleware)

internal/infrastructure/grpc/auth_client.go

@@ -1,101 +0,0 @@
-package grpc
-
-import (
-	"context"
-	"fmt"
-	"rag/file-system/api/proto"
-	"rag/file-system/internal/common"
-	"time"
-
-	"github.com/patrickmn/go-cache"
-	"google.golang.org/grpc"
-	"google.golang.org/grpc/credentials/insecure"
-)
-
-type TokenInfo struct {
-	Valid       bool
-	UserId      string
-	Username    string
-	Email       string
-	Roles       []string
-	Permissions []string
-	ExpiresAt   int64
-}
-
-type AuthClient struct {
-	conn   *grpc.ClientConn
-	client proto.AuthServiceClient
-	cache  *cache.Cache
-}
-
-func NewAuthClient(addr string) (*AuthClient, error) {
-	conn, err := grpc.NewClient(addr,
-		grpc.WithTransportCredentials(insecure.NewCredentials()),
-	)
-	if err != nil {
-		return nil, fmt.Errorf("gRPC connect failed: %w", err)
-	}
-
-	common.Logger.Info("gRPC auth client connected", "addr", addr)
-
-	return &AuthClient{
-		conn:   conn,
-		client: proto.NewAuthServiceClient(conn),
-		cache:  cache.New(2*time.Minute, 5*time.Minute),
-	}, nil
-}
-
-func (a *AuthClient) ValidateToken(ctx context.Context, token string) (*TokenInfo, error) {
-	if cached, ok := a.cache.Get(token); ok {
-		return cached.(*TokenInfo), nil
-	}
-
-	resp, err := a.client.ValidateToken(ctx, &proto.ValidateTokenRequest{Token: token})
-	if err != nil {
-		return nil, fmt.Errorf("gRPC ValidateToken failed: %w", err)
-	}
-
-	info := &TokenInfo{
-		Valid:       resp.Valid,
-		UserId:      resp.UserId,
-		Username:    resp.Username,
-		Email:       resp.Email,
-		Roles:       resp.Roles,
-		Permissions: resp.Permissions,
-		ExpiresAt:   resp.ExpiresAt,
-	}
-
-	if info.Valid {
-		ttl := a.cacheTTL(resp.ExpiresAt)
-		a.cache.Set(token, info, ttl)
-	}
-
-	return info, nil
-}
-
-func (a *AuthClient) HasPermission(token, permission string) (bool, error) {
-	resp, err := a.client.CheckPermission(context.Background(), &proto.CheckPermissionRequest{
-		Token:      token,
-		Permission: permission,
-	})
-	if err != nil {
-		return false, fmt.Errorf("gRPC CheckPermission failed: %w", err)
-	}
-	return resp.Allowed, nil
-}
-
-func (a *AuthClient) Close() error {
-	return a.conn.Close()
-}
-
-func (a *AuthClient) cacheTTL(expiresAt int64) time.Duration {
-	expires := time.Unix(expiresAt, 0)
-	ttl := time.Until(expires) - 30*time.Second
-	if ttl < time.Minute {
-		ttl = time.Minute
-	}
-	if ttl > 2*time.Minute {
-		ttl = 2 * time.Minute
-	}
-	return ttl
-}