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Robust blob filename backup import/export

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This ignores invalid UTF-8 filenames during import and export. Rust core
does not produce them, but it was possible to have such filenames with
C core.
This commit is contained in:
link2xt
2021-06-14 21:53:51 +03:00
parent d821cdf1c8
commit d6d4ba7aca
2 changed files with 22 additions and 14 deletions
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28
src/imex.rs
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@@ -612,8 +612,13 @@ async fn import_backup_old(context: &Context, backup_to_import: &Path) -> Result
let mut all_files_extracted = true;
for (processed_files_cnt, file_id) in file_ids.into_iter().enumerate() {
if context.shall_stop_ongoing().await {
all_files_extracted = false;
break;
}
// Load a single blob into memory
let (file_name, file_blob) = context
match context
.sql
.query_row(
"SELECT file_name, file_content FROM backup_blobs WHERE id = ?",
@@ -624,12 +629,17 @@ async fn import_backup_old(context: &Context, backup_to_import: &Path) -> Result
Ok((file_name, file_blob))
},
)
.await?;
if context.shall_stop_ongoing().await {
all_files_extracted = false;
break;
.await
{
Ok((file_name, file_blob)) => {
let path_filename = context.get_blobdir().join(file_name);
dc_write_file(context, &path_filename, &file_blob).await?;
}
Err(err) => {
error!(context, "Can't import file {}: {}", file_id, err);
}
}
let mut permille = processed_files_cnt * 1000 / total_files_cnt;
if permille < 10 {
permille = 10
@@ -638,12 +648,6 @@ async fn import_backup_old(context: &Context, backup_to_import: &Path) -> Result
permille = 990
}
context.emit_event(EventType::ImexProgress(permille));
if file_blob.is_empty() {
continue;
}
let path_filename = context.get_blobdir().join(file_name);
dc_write_file(context, &path_filename, &file_blob).await?;
}
if all_files_extracted {