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// SPDX-License-Identifier: MIT OR Apache-2.0
//! SFTP subcommand dispatch (A7 split).
#![forbid(unsafe_code)]
#![allow(unused_imports)]
use super::*;
/// Runs the `sftp` subcommand.
pub async fn run_sftp(
action: SftpAction,
config_override: Option<PathBuf>,
opts: SftpOptions,
) -> anyhow::Result<()> {
if crate::signals::should_stop() {
return Err(anyhow::anyhow!(i18n::t(Message::OperationCancelled)));
}
match action {
SftpAction::Upload {
all,
hosts,
target,
recursive,
..
} => {
let mut opts = opts;
opts.recursive = recursive;
let plan = crate::cli::parse_scp_target(all, hosts, target)
.map_err(SshCliError::InvalidArgument)?;
match plan {
crate::cli::ScpPathPlan::Single {
selection,
path_a: local,
path_b: remote,
} => {
if selection.is_batch() {
return batch::run_sftp_all_upload(
&selection,
&local,
&remote_str(&remote),
config_override,
opts,
)
.await;
}
let vps::HostSelection::Single(vps_name) = selection else {
return Err(SshCliError::InvalidArgument(
"internal: expected single-host sftp upload".into(),
)
.into());
};
let client =
connect_client(vps_name.as_str(), config_override.as_deref(), &opts)
.await?;
let remote = remote_str(&remote);
let result = if opts.recursive {
client.sftp_upload_tree(&local, &remote).await
} else {
client.sftp_upload(&local, &remote).await
};
let _ = client.disconnect().await;
emit_transfer(
"upload",
vps_name.as_str(),
&local.display().to_string(),
&remote,
result?,
opts.json,
opts.recursive,
)?;
}
crate::cli::ScpPathPlan::MultiFile {
vps,
sources,
dest_dir,
} => {
if opts.recursive {
return Err(SshCliError::InvalidArgument(
"sftp multi-file upload does not combine with --recursive".into(),
)
.into());
}
let client =
connect_client(vps.as_str(), config_override.as_deref(), &opts).await?;
let dest = remote_str(&dest_dir);
let local_label = sources
.first()
.map(|p| p.display().to_string())
.unwrap_or_default();
let start = Instant::now();
let timeout_ms = client.timeout_ms();
// B10: `--timeout` is a per-operation budget. Wrapping the whole
// loop made the deadline shrink with every extra file, so a
// healthy 40-file batch failed while each single file was fast.
let result = async {
let sftp =
sftp_session::under_timeout(timeout_ms, client.open_sftp()).await?;
let mut bytes = 0_u64;
let mut err: Option<SshCliError> = None;
for src in &sources {
let name = src
.file_name()
.map(|n| n.to_string_lossy().into_owned())
.unwrap_or_else(|| SFTP_FALLBACK_BASENAME.to_owned());
if let Err(e) = validate_entry_name(&name) {
err = Some(e);
break;
}
let remote = crate::ssh::sftp_path::join_remote(&dest, &name);
let one = sftp_session::under_timeout(
timeout_ms,
sftp_session::upload_file(&sftp, src, &remote),
)
.await;
match one {
Ok(r) => bytes = bytes.saturating_add(r.bytes_transferred),
Err(e) => {
err = Some(e);
break;
}
}
}
sftp_session::close_sftp(&sftp).await;
if let Some(e) = err {
return Err(e);
}
Ok(bytes)
}
.await;
let _ = client.disconnect().await;
let bytes = result?;
emit_transfer(
"upload",
vps.as_str(),
&local_label,
&dest,
TransferResult {
bytes_transferred: bytes,
duration_ms: u64::try_from(start.elapsed().as_millis())
.unwrap_or(u64::MAX),
..Default::default()
},
opts.json,
false,
)?;
}
crate::cli::ScpPathPlan::MultiHostMultiFile {
selection,
sources,
dest_dir,
} => {
return batch::run_sftp_multi_host_multi_file_upload(
&selection,
sources,
&remote_str(&dest_dir),
config_override,
opts,
)
.await;
}
}
}
SftpAction::Download {
all,
hosts,
target,
recursive,
..
} => {
let mut opts = opts;
opts.recursive = recursive;
let plan = crate::cli::parse_scp_target(all, hosts, target)
.map_err(SshCliError::InvalidArgument)?;
match plan {
crate::cli::ScpPathPlan::Single {
selection,
path_a: remote,
path_b: local,
} => {
if selection.is_batch() {
return batch::run_sftp_all_download(
&selection,
&remote_str(&remote),
&local,
config_override,
opts,
)
.await;
}
let vps::HostSelection::Single(vps_name) = selection else {
return Err(SshCliError::InvalidArgument(
"internal: expected single-host sftp download".into(),
)
.into());
};
let client =
connect_client(vps_name.as_str(), config_override.as_deref(), &opts)
.await?;
let remote = remote_str(&remote);
let result = if opts.recursive {
client.sftp_download_tree(&remote, &local).await
} else {
client.sftp_download(&remote, &local).await
};
let _ = client.disconnect().await;
emit_transfer(
"download",
vps_name.as_str(),
&local.display().to_string(),
&remote,
result?,
opts.json,
opts.recursive,
)?;
}
crate::cli::ScpPathPlan::MultiFile {
vps,
sources: remotes,
dest_dir: local_dir,
} => {
if opts.recursive {
return Err(SshCliError::InvalidArgument(
"sftp multi-file download does not combine with --recursive".into(),
)
.into());
}
let client =
connect_client(vps.as_str(), config_override.as_deref(), &opts).await?;
let local_label = local_dir.display().to_string();
let remote_label = remotes
.first()
.map(|p| p.display().to_string())
.unwrap_or_default();
let start = Instant::now();
let timeout_ms = client.timeout_ms();
let local_root = local_dir.clone();
// B10: per-file deadline (see the upload path above).
let result = async {
tokio::fs::create_dir_all(&local_dir)
.await
.map_err(SshCliError::Io)?;
let sftp =
sftp_session::under_timeout(timeout_ms, client.open_sftp()).await?;
let mut bytes = 0_u64;
let mut err: Option<SshCliError> = None;
for remote_p in &remotes {
let remote = remote_str(remote_p);
let name = remote_p
.file_name()
.map(|n| n.to_string_lossy().into_owned())
.unwrap_or_else(|| SFTP_FALLBACK_BASENAME.to_owned());
if let Err(e) = validate_entry_name(&name) {
err = Some(e);
break;
}
let local = local_dir.join(&name);
if let Err(e) = ensure_local_under(&local_root, &local) {
err = Some(e);
break;
}
let one = sftp_session::under_timeout(
timeout_ms,
sftp_session::download_file(&sftp, &remote, &local),
)
.await;
match one {
Ok(r) => bytes = bytes.saturating_add(r.bytes_transferred),
Err(e) => {
err = Some(e);
break;
}
}
}
sftp_session::close_sftp(&sftp).await;
if let Some(e) = err {
return Err(e);
}
Ok(bytes)
}
.await;
let _ = client.disconnect().await;
let bytes = result?;
emit_transfer(
"download",
vps.as_str(),
&local_label,
&remote_label,
TransferResult {
bytes_transferred: bytes,
duration_ms: u64::try_from(start.elapsed().as_millis())
.unwrap_or(u64::MAX),
..Default::default()
},
opts.json,
false,
)?;
}
crate::cli::ScpPathPlan::MultiHostMultiFile {
selection,
sources: remotes,
dest_dir: local_dir,
} => {
return batch::run_sftp_multi_host_multi_file_download(
&selection,
remotes,
&local_dir,
config_override,
opts,
)
.await;
}
}
}
SftpAction::Ls {
vps_name,
remote,
json: json_local,
..
} => {
let json = opts.json || json_local;
let client = connect_client(&vps_name, config_override.as_deref(), &opts).await?;
let timeout_ms = client.timeout_ms();
let entries = sftp_session::under_timeout(timeout_ms, async {
let sftp = client.open_sftp().await?;
let entries = sftp_session::list_dir(&sftp, &remote).await;
sftp_session::close_sftp(&sftp).await;
entries
})
.await;
let _ = client.disconnect().await;
emit_list(&vps_name, &remote, &entries?, json)?;
}
SftpAction::Mkdir {
vps_name,
remote,
json: json_local,
..
} => {
let json = opts.json || json_local;
let start = Instant::now();
let client = connect_client(&vps_name, config_override.as_deref(), &opts).await?;
let timeout_ms = client.timeout_ms();
let result = sftp_session::under_timeout(timeout_ms, async {
let sftp = client.open_sftp().await?;
let result = sftp_session::mkdir(&sftp, &remote).await;
sftp_session::close_sftp(&sftp).await;
result
})
.await;
let _ = client.disconnect().await;
result?;
emit_fs_op(
"mkdir",
&vps_name,
&remote,
None,
u64::try_from(start.elapsed().as_millis()).unwrap_or(u64::MAX),
json,
)?;
}
SftpAction::Rmdir {
vps_name,
remote,
json: json_local,
..
} => {
let json = opts.json || json_local;
// C2: emitted before the SSH handshake. Confirming the directory exists
// would cost a full connect + auth, and a preview that opens an
// authenticated session is no longer side-effect free — it shows up in
// the server's auth log exactly like a real run.
if crate::cli::dry_run_stop(
"sftp-rmdir",
&[
("vps", serde_json::json!(vps_name)),
("remote", serde_json::json!(remote)),
],
)? {
return Ok(());
}
let start = Instant::now();
let client = connect_client(&vps_name, config_override.as_deref(), &opts).await?;
let timeout_ms = client.timeout_ms();
let result = sftp_session::under_timeout(timeout_ms, async {
let sftp = client.open_sftp().await?;
let result = sftp_session::rmdir(&sftp, &remote).await;
sftp_session::close_sftp(&sftp).await;
result
})
.await;
let _ = client.disconnect().await;
result?;
emit_fs_op(
"rmdir",
&vps_name,
&remote,
None,
u64::try_from(start.elapsed().as_millis()).unwrap_or(u64::MAX),
json,
)?;
}
SftpAction::Rm {
vps_name,
remote,
json: json_local,
..
} => {
let json = opts.json || json_local;
// C2: see `sftp rmdir` — the preview stays offline on purpose.
if crate::cli::dry_run_stop(
"sftp-rm",
&[
("vps", serde_json::json!(vps_name)),
("remote", serde_json::json!(remote)),
],
)? {
return Ok(());
}
let start = Instant::now();
let client = connect_client(&vps_name, config_override.as_deref(), &opts).await?;
let timeout_ms = client.timeout_ms();
let result = sftp_session::under_timeout(timeout_ms, async {
let sftp = client.open_sftp().await?;
let result = sftp_session::rm(&sftp, &remote).await;
sftp_session::close_sftp(&sftp).await;
result
})
.await;
let _ = client.disconnect().await;
result?;
emit_fs_op(
"rm",
&vps_name,
&remote,
None,
u64::try_from(start.elapsed().as_millis()).unwrap_or(u64::MAX),
json,
)?;
}
SftpAction::Stat {
vps_name,
remote,
json: json_local,
..
} => {
let json = opts.json || json_local;
let client = connect_client(&vps_name, config_override.as_deref(), &opts).await?;
let timeout_ms = client.timeout_ms();
let st = sftp_session::under_timeout(timeout_ms, async {
let sftp = client.open_sftp().await?;
let st = sftp_session::stat(&sftp, &remote).await;
sftp_session::close_sftp(&sftp).await;
st
})
.await;
let _ = client.disconnect().await;
emit_stat(&vps_name, &st?, json)?;
}
SftpAction::Rename {
vps_name,
from,
to,
json: json_local,
..
} => {
let json = opts.json || json_local;
let start = Instant::now();
let client = connect_client(&vps_name, config_override.as_deref(), &opts).await?;
let timeout_ms = client.timeout_ms();
let result = sftp_session::under_timeout(timeout_ms, async {
let sftp = client.open_sftp().await?;
let result = sftp_session::rename(&sftp, &from, &to).await;
sftp_session::close_sftp(&sftp).await;
result
})
.await;
let _ = client.disconnect().await;
result?;
emit_fs_op(
"rename",
&vps_name,
&from,
Some(to.as_str()),
u64::try_from(start.elapsed().as_millis()).unwrap_or(u64::MAX),
json,
)?;
}
}
Ok(())
}