Files
Enterprise-Knowledge-Base/internal/application/service/file/factory.go
T
DaWesen e309e0bed8 feat(storage): 集成S3存储适配器
添加对AWS S3及兼容存储服务的支持:
- 实现完整的S3FileService接口
- 支持文件上传、下载、删除功能
- 添加配置支持和环境变量检查
- 实现连接测试功能
- 遵循与其他存储适配器相同的代码风格
2026-03-09 10:39:46 +08:00

108 lines
3.8 KiB
Go

package file
import (
"fmt"
"os"
"path/filepath"
"strings"
"github.com/Tencent/WeKnora/internal/types"
"github.com/Tencent/WeKnora/internal/types/interfaces"
secutils "github.com/Tencent/WeKnora/internal/utils"
)
// NewFileServiceFromStorageConfig builds a provider-specific FileService from tenant storage config.
// provider can be empty; in that case it falls back to sec.DefaultProvider.
// Returns the resolved provider name together with the service.
func NewFileServiceFromStorageConfig(
provider string,
sec *types.StorageEngineConfig,
localBaseDir string,
) (interfaces.FileService, string, error) {
p := strings.ToLower(strings.TrimSpace(provider))
if p == "" && sec != nil {
p = strings.ToLower(strings.TrimSpace(sec.DefaultProvider))
}
if p == "" {
return nil, "", fmt.Errorf("empty provider")
}
if localBaseDir == "" {
localBaseDir = strings.TrimSpace(os.Getenv("LOCAL_STORAGE_BASE_DIR"))
}
if localBaseDir == "" {
localBaseDir = "/data/files"
}
switch p {
case "local":
baseDir := localBaseDir
if sec != nil && sec.Local != nil {
rawPrefix := strings.TrimSpace(sec.Local.PathPrefix)
prefix := strings.Trim(rawPrefix, "/\\")
if prefix != "" {
candidate := filepath.Join(baseDir, prefix)
if safeBaseDir, err := secutils.SafePathUnderBase(baseDir, candidate); err == nil {
baseDir = safeBaseDir
}
}
}
return NewLocalFileService(baseDir), p, nil
case "minio":
if sec == nil || sec.MinIO == nil {
return nil, p, fmt.Errorf("missing minio config")
}
var endpoint, accessKeyID, secretAccessKey string
if sec.MinIO.Mode == "remote" {
endpoint = strings.TrimSpace(sec.MinIO.Endpoint)
accessKeyID = strings.TrimSpace(sec.MinIO.AccessKeyID)
secretAccessKey = strings.TrimSpace(sec.MinIO.SecretAccessKey)
} else {
endpoint = strings.TrimSpace(os.Getenv("MINIO_ENDPOINT"))
accessKeyID = strings.TrimSpace(os.Getenv("MINIO_ACCESS_KEY_ID"))
secretAccessKey = strings.TrimSpace(os.Getenv("MINIO_SECRET_ACCESS_KEY"))
}
bucketName := strings.TrimSpace(sec.MinIO.BucketName)
if bucketName == "" {
bucketName = strings.TrimSpace(os.Getenv("MINIO_BUCKET_NAME"))
}
if endpoint == "" || accessKeyID == "" || secretAccessKey == "" || bucketName == "" {
return nil, p, fmt.Errorf("incomplete minio config")
}
svc, err := NewMinioFileService(endpoint, accessKeyID, secretAccessKey, bucketName, sec.MinIO.UseSSL)
return svc, p, err
case "cos":
if sec == nil || sec.COS == nil || sec.COS.SecretID == "" || sec.COS.SecretKey == "" || sec.COS.BucketName == "" || sec.COS.Region == "" {
return nil, p, fmt.Errorf("incomplete cos config")
}
pathPrefix := strings.TrimSpace(sec.COS.PathPrefix)
if pathPrefix == "" {
pathPrefix = "weknora"
}
svc, err := NewCosFileService(sec.COS.BucketName, sec.COS.Region, sec.COS.SecretID, sec.COS.SecretKey, pathPrefix)
return svc, p, err
case "tos":
if sec == nil || sec.TOS == nil || sec.TOS.Endpoint == "" || sec.TOS.Region == "" || sec.TOS.AccessKey == "" || sec.TOS.SecretKey == "" || sec.TOS.BucketName == "" {
return nil, p, fmt.Errorf("incomplete tos config")
}
svc, err := NewTosFileService(sec.TOS.Endpoint, sec.TOS.Region, sec.TOS.AccessKey, sec.TOS.SecretKey, sec.TOS.BucketName, sec.TOS.PathPrefix)
return svc, p, err
case "s3":
if sec == nil || sec.S3 == nil || sec.S3.Endpoint == "" || sec.S3.Region == "" || sec.S3.AccessKey == "" || sec.S3.SecretKey == "" || sec.S3.BucketName == "" {
return nil, p, fmt.Errorf("incomplete s3 config")
}
pathPrefix := strings.TrimSpace(sec.S3.PathPrefix)
if pathPrefix == "" {
pathPrefix = "weknora/"
}
svc, err := NewS3FileService(sec.S3.Endpoint, sec.S3.AccessKey, sec.S3.SecretKey, sec.S3.BucketName, sec.S3.Region, pathPrefix)
return svc, p, err
default:
return nil, p, fmt.Errorf("unsupported provider %q", p)
}
}