github.com/levb/mattermost-server@v5.3.1+incompatible/utils/file_backend.go (about)

     1  // Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
     2  // See License.txt for license information.
     3  
     4  package utils
     5  
     6  import (
     7  	"io"
     8  	"net/http"
     9  
    10  	"github.com/mattermost/mattermost-server/model"
    11  )
    12  
    13  type FileBackend interface {
    14  	TestConnection() *model.AppError
    15  
    16  	Reader(path string) (io.ReadCloser, *model.AppError)
    17  	ReadFile(path string) ([]byte, *model.AppError)
    18  	FileExists(path string) (bool, *model.AppError)
    19  	CopyFile(oldPath, newPath string) *model.AppError
    20  	MoveFile(oldPath, newPath string) *model.AppError
    21  	WriteFile(fr io.Reader, path string) (int64, *model.AppError)
    22  	RemoveFile(path string) *model.AppError
    23  
    24  	ListDirectory(path string) (*[]string, *model.AppError)
    25  	RemoveDirectory(path string) *model.AppError
    26  }
    27  
    28  func NewFileBackend(settings *model.FileSettings, enableComplianceFeatures bool) (FileBackend, *model.AppError) {
    29  	switch *settings.DriverName {
    30  	case model.IMAGE_DRIVER_S3:
    31  		return &S3FileBackend{
    32  			endpoint:  settings.AmazonS3Endpoint,
    33  			accessKey: settings.AmazonS3AccessKeyId,
    34  			secretKey: settings.AmazonS3SecretAccessKey,
    35  			secure:    settings.AmazonS3SSL == nil || *settings.AmazonS3SSL,
    36  			signV2:    settings.AmazonS3SignV2 != nil && *settings.AmazonS3SignV2,
    37  			region:    settings.AmazonS3Region,
    38  			bucket:    settings.AmazonS3Bucket,
    39  			encrypt:   settings.AmazonS3SSE != nil && *settings.AmazonS3SSE && enableComplianceFeatures,
    40  			trace:     settings.AmazonS3Trace != nil && *settings.AmazonS3Trace,
    41  		}, nil
    42  	case model.IMAGE_DRIVER_LOCAL:
    43  		return &LocalFileBackend{
    44  			directory: settings.Directory,
    45  		}, nil
    46  	}
    47  	return nil, model.NewAppError("NewFileBackend", "api.file.no_driver.app_error", nil, "", http.StatusInternalServerError)
    48  }