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B2 backend should be able to download .fsl files

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This is needed when a metadata chunk has been turned into a fossil.  In B2,
the fossil file is the last version of the file with an 'upload' action, so
to download the file, the 'b2_list_file_versions' api is called to find the
file id and then download it using 'b2_download_file_by_id'.

This is needed when a metadata chunk has been turned into a fossil
This commit is contained in:
Gilbert Chen
2023-03-30 13:27:29 -04:00
parent 53b0f3f7b6
commit 1f9ad0e35c
1 changed files with 20 additions and 2 deletions
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22
src/duplicacy_b2client.go
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@@ -329,7 +329,7 @@ func (client *B2Client) AuthorizeAccount(threadIndex int) (err error, allowed bo
if client.DownloadURL == "" {
client.DownloadURL = output.DownloadURL
}
LOG_INFO("BACKBLAZE_URL", "download URL is: %s", client.DownloadURL)
LOG_INFO("BACKBLAZE_URL", "Download URL is: %s", client.DownloadURL)
client.IsAuthorized = true
client.LastAuthorizationTime = time.Now().Unix()
@@ -584,8 +584,26 @@ func (client *B2Client) HideFile(threadIndex int, fileName string) (fileID strin
func (client *B2Client) DownloadFile(threadIndex int, filePath string) (io.ReadCloser, int64, error) {
url := client.getDownloadURL() + "/file/" + client.BucketName + "/" + B2Escape(client.StorageDir + filePath)
if !strings.HasSuffix(filePath, ".fsl") {
url := client.getDownloadURL() + "/file/" + client.BucketName + "/" + B2Escape(client.StorageDir + filePath)
readCloser, _, len, err := client.call(threadIndex, url, http.MethodGet, make(map[string]string), 0)
return readCloser, len, err
}
// We're trying to download a fossil file. We need to find the file ID of the last 'upload' of the file.
filePath = strings.TrimSuffix(filePath, ".fsl")
entries, err := client.ListFileNames(threadIndex, filePath, true, true)
fileId := ""
for _, entry := range entries {
if entry.FileName == filePath && entry.Action == "upload" && entry.Size > 0 {
fileId = entry.FileID
break
}
}
// Proceed with the b2_download_file_by_id call
url := client.getAPIURL() + "/b2api/v1/b2_download_file_by_id?fileId=" + fileId
readCloser, _, len, err := client.call(threadIndex, url, http.MethodGet, make(map[string]string), 0)
return readCloser, len, err
}