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feat(ssh): support full multi-hop jump chain (#356) (#1058)

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* feat(ssh): support full multi-hop jump chain (#356)

* fix(edit): validate jump cycle for new server saves
This commit is contained in:
lollipopkit🏳️‍⚧️
2026-02-28 00:12:03 +08:00
committed by GitHub
parent c3678f3df9
commit bc69686d16
8 changed files with 385 additions and 44 deletions
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49
lib/data/model/sftp/req.dart
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@@ -8,19 +8,57 @@ class SftpReq {
String? privateKey;
Spi? jumpSpi;
String? jumpPrivateKey;
Map<String, Spi>? jumpSpisById;
Map<String, String>? privateKeysByKeyId;
Map<String, String>? knownHostFingerprints;
SftpReq(this.spi, this.remotePath, this.localPath, this.type) {
privateKeysByKeyId = {};
final keyId = spi.keyId;
if (keyId != null) {
privateKey = getPrivateKey(keyId);
privateKeysByKeyId![keyId] = privateKey!;
}
final allServers = {
for (final server in Stores.server.fetch()) server.id: server,
};
jumpSpisById = collectJumpServers(spi: spi, serversById: allServers);
if (spi.jumpId != null) {
jumpSpi = Stores.server.box.get(spi.jumpId);
jumpSpi = jumpSpisById?[spi.jumpId];
jumpPrivateKey = Stores.key.fetchOne(jumpSpi?.keyId)?.key;
if (jumpSpi?.keyId case final jumpKeyId?) {
if (jumpPrivateKey != null) {
privateKeysByKeyId![jumpKeyId] = jumpPrivateKey!;
}
}
}
for (final jump in jumpSpisById?.values ?? const <Spi>[]) {
final jumpKeyId = jump.keyId;
if (jumpKeyId == null || privateKeysByKeyId!.containsKey(jumpKeyId)) {
continue;
}
final key = Stores.key.fetchOne(jumpKeyId)?.key;
if (key == null) {
continue;
}
privateKeysByKeyId![jumpKeyId] = key;
}
if (jumpSpisById != null && jumpSpisById!.isEmpty) {
jumpSpisById = null;
}
if (privateKeysByKeyId != null && privateKeysByKeyId!.isEmpty) {
privateKeysByKeyId = null;
}
try {
knownHostFingerprints = Map<String, String>.from(Stores.setting.sshKnownHostFingerprints.get());
knownHostFingerprints = Map<String, String>.from(
Stores.setting.sshKnownHostFingerprints.get(),
);
} catch (e, s) {
Loggers.app.warning('Failed to load SSH known host fingerprints', e, s);
knownHostFingerprints = null;
@@ -46,8 +84,11 @@ class SftpReqStatus {
Exception? error;
Duration? spentTime;
SftpReqStatus({required this.req, required this.notifyListeners, this.completer})
: id = DateTime.now().microsecondsSinceEpoch {
SftpReqStatus({
required this.req,
required this.notifyListeners,
this.completer,
}) : id = DateTime.now().microsecondsSinceEpoch {
worker = SftpWorker(onNotify: onNotify, req: req)..init();
}