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Send and receive backup over network using QR code

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This adds functionality to send and receive a backup over the network
using a QR code.

The sender or provider prepares the backup, sets up a server that
waits for clients.  It provides a ticket in the form of a QR code
which contains connection and authentication information.

The receiver uses the QR code to connect to the provider and fetches
backup, restoring it locally.
This commit is contained in:
Floris Bruynooghe
2023-02-01 16:45:09 +01:00
parent e318f5c697
commit 6044e5961b
9 changed files with 1265 additions and 77 deletions
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4
src/blob.rs
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@@ -160,9 +160,9 @@ impl<'a> BlobObject<'a> {
pub fn from_path(context: &'a Context, path: &Path) -> Result<BlobObject<'a>> {
let rel_path = path
.strip_prefix(context.get_blobdir())
.context("wrong blobdir")?;
.with_context(|| format!("wrong blobdir: {}", path.display()))?;
if !BlobObject::is_acceptible_blob_name(rel_path) {
return Err(format_err!("wrong name"));
return Err(format_err!("bad blob name: {}", rel_path.display()));
}
let name = rel_path.to_str().context("wrong name")?;
BlobObject::from_name(context, name.to_string())