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add support for data transfer bandwidth limits

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with total limit or separate settings for uploads and downloads and
overrides based on the client's IP address.

Limits can be reset using the REST API

Signed-off-by: Nicola Murino <nicola.murino@gmail.com>
This commit is contained in:
Nicola Murino
2022-01-30 11:42:36 +01:00
parent aca71bff7a
commit 1df1225eed
55 changed files with 3573 additions and 643 deletions
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20
httpd/handler.go
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@@ -85,6 +85,12 @@ func (c *Connection) ReadDir(name string) ([]os.FileInfo, error) {
func (c *Connection) getFileReader(name string, offset int64, method string) (io.ReadCloser, error) {
c.UpdateLastActivity()
transferQuota := c.GetTransferQuota()
if !transferQuota.HasDownloadSpace() {
c.Log(logger.LevelInfo, "denying file read due to quota limits")
return nil, c.GetReadQuotaExceededError()
}
name = util.CleanPath(name)
if !c.User.HasPerm(dataprovider.PermDownload, path.Dir(name)) {
return nil, c.GetPermissionDeniedError()
@@ -114,7 +120,7 @@ func (c *Connection) getFileReader(name string, offset int64, method string) (io
}
baseTransfer := common.NewBaseTransfer(file, c.BaseConnection, cancelFn, p, p, name, common.TransferDownload,
0, 0, 0, 0, false, fs)
0, 0, 0, 0, false, fs, transferQuota)
return newHTTPDFile(baseTransfer, nil, r), nil
}
@@ -171,8 +177,8 @@ func (c *Connection) getFileWriter(name string) (io.WriteCloser, error) {
}
func (c *Connection) handleUploadFile(fs vfs.Fs, resolvedPath, filePath, requestPath string, isNewFile bool, fileSize int64) (io.WriteCloser, error) {
quotaResult := c.HasSpace(isNewFile, false, requestPath)
if !quotaResult.HasSpace {
diskQuota, transferQuota := c.HasSpace(isNewFile, false, requestPath)
if !diskQuota.HasSpace || !transferQuota.HasUploadSpace() {
c.Log(logger.LevelInfo, "denying file write due to quota limits")
return nil, common.ErrQuotaExceeded
}
@@ -182,7 +188,7 @@ func (c *Connection) handleUploadFile(fs vfs.Fs, resolvedPath, filePath, request
return nil, c.GetPermissionDeniedError()
}
maxWriteSize, _ := c.GetMaxWriteSize(quotaResult, false, fileSize, fs.IsUploadResumeSupported())
maxWriteSize, _ := c.GetMaxWriteSize(diskQuota, false, fileSize, fs.IsUploadResumeSupported())
file, w, cancelFn, err := fs.Create(filePath, 0)
if err != nil {
@@ -215,7 +221,7 @@ func (c *Connection) handleUploadFile(fs vfs.Fs, resolvedPath, filePath, request
vfs.SetPathPermissions(fs, filePath, c.User.GetUID(), c.User.GetGID())
baseTransfer := common.NewBaseTransfer(file, c.BaseConnection, cancelFn, resolvedPath, filePath, requestPath,
common.TransferUpload, 0, initialSize, maxWriteSize, truncatedSize, isNewFile, fs)
common.TransferUpload, 0, initialSize, maxWriteSize, truncatedSize, isNewFile, fs, transferQuota)
return newHTTPDFile(baseTransfer, w, nil), nil
}
@@ -294,8 +300,8 @@ func (t *throttledReader) GetTruncatedSize() int64 {
return 0
}
func (t *throttledReader) GetMaxAllowedSize() int64 {
return 0
func (t *throttledReader) HasSizeLimit() bool {
return false
}
func (t *throttledReader) Truncate(fsPath string, size int64) (int64, error) {