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fix: Unable to obtain Windows server information (#963)

Browse Source 
* fix: FormatException: Unexpected extension byte (at offset 8) error

* fix: PowerShell script error repair, Windows data parsing repair

* fix: Unable to obtain network card information

* fix: Unable to obtain system startup time

* fix conversation as resolved.
This commit is contained in:
lxdklp
2025-11-22 19:17:40 +08:00
committed by GitHub
parent ca4e65d7a5
commit 75d1a59e77
12 changed files with 455 additions and 215 deletions
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95
lib/core/extension/ssh_client.dart
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@@ -4,6 +4,7 @@ import 'dart:typed_data';
import 'package:dartssh2/dartssh2.dart';
import 'package:fl_lib/fl_lib.dart';
import 'package:flutter/widgets.dart';
import 'package:server_box/data/helper/ssh_decoder.dart';
import 'package:server_box/data/model/server/system.dart';
import 'package:server_box/data/res/misc.dart';
@@ -170,4 +171,98 @@ extension SSHClientX on SSHClient {
);
return ret.$2;
}
/// Runs a command and decodes output safely with encoding fallback
///
/// [systemType] - The system type (affects encoding choice)
/// Runs a command and safely decodes the result
Future<String> runSafe(
String command, {
SystemType? systemType,
String? context,
}) async {
// Let SSH errors propagate with their original type (e.g., SSHError subclasses)
final result = await run(command);
// Only catch decoding failures and add context
try {
return SSHDecoder.decode(
result,
isWindows: systemType == SystemType.windows,
context: context,
);
} on FormatException catch (e) {
throw Exception(
'Failed to decode command output${context != null ? " [$context]" : ""}: $e',
);
}
}
/// Executes a command with stdin and safely decodes stdout/stderr
Future<(String stdout, String stderr)> execSafe(
void Function(SSHSession session) callback, {
required String entry,
SystemType? systemType,
String? context,
}) async {
final stdoutBuilder = BytesBuilder(copy: false);
final stderrBuilder = BytesBuilder(copy: false);
final stdoutDone = Completer<void>();
final stderrDone = Completer<void>();
final session = await execute(entry);
session.stdout.listen(
(e) {
stdoutBuilder.add(e);
},
onDone: stdoutDone.complete,
onError: stdoutDone.completeError,
);
session.stderr.listen(
(e) {
stderrBuilder.add(e);
},
onDone: stderrDone.complete,
onError: stderrDone.completeError,
);
callback(session);
await stdoutDone.future;
await stderrDone.future;
final stdoutBytes = stdoutBuilder.takeBytes();
final stderrBytes = stderrBuilder.takeBytes();
// Only catch decoding failures, let other errors propagate
String stdout;
try {
stdout = SSHDecoder.decode(
stdoutBytes,
isWindows: systemType == SystemType.windows,
context: context != null ? '$context (stdout)' : 'stdout',
);
} on FormatException catch (e) {
throw Exception(
'Failed to decode stdout${context != null ? " [$context]" : ""}: $e',
);
}
String stderr;
try {
stderr = SSHDecoder.decode(
stderrBytes,
isWindows: systemType == SystemType.windows,
context: context != null ? '$context (stderr)' : 'stderr',
);
} on FormatException catch (e) {
throw Exception(
'Failed to decode stderr${context != null ? " [$context]" : ""}: $e',
);
}
return (stdout, stderr);
}
}