Files
lazyssh/internal/adapters/data/file/ssh_config_manager.go
T
2025-08-25 11:59:21 +01:00

134 lines
2.8 KiB
Go

// Copyright 2025.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package file
import (
"fmt"
"os"
"path/filepath"
"github.com/Adembc/lazyssh/internal/core/domain"
)
const (
ManagedByComment = "# Managed by lazyssh"
DefaultPort = 22
)
type sshConfigManager struct {
filePath string
}
func newSSHConfigManager(filePath string) *sshConfigManager {
return &sshConfigManager{filePath: filePath}
}
func (m *sshConfigManager) parseServers() ([]domain.Server, error) {
file, err := os.Open(m.filePath)
if err != nil {
if os.IsNotExist(err) {
return []domain.Server{}, nil
}
return nil, err
}
defer file.Close()
parser := &SSHConfigParser{}
return parser.Parse(file)
}
func (m *sshConfigManager) writeServers(servers []domain.Server) error {
if err := m.ensureDirectory(); err != nil {
return err
}
file, err := os.Create(m.filePath)
if err != nil {
return err
}
defer file.Close()
writer := &SSHConfigWriter{}
return writer.Write(file, servers)
}
func (m *sshConfigManager) addServer(server domain.Server) error {
servers, err := m.parseServers()
if err != nil {
return err
}
// Check for duplicates
for _, srv := range servers {
if srv.Alias == server.Alias {
return fmt.Errorf("server with alias '%s' already exists", server.Alias)
}
}
servers = append(servers, server)
return m.writeServers(servers)
}
func (m *sshConfigManager) updateServer(alias string, newServer domain.Server) error {
servers, err := m.parseServers()
if err != nil {
return err
}
found := false
for i, srv := range servers {
if srv.Alias == alias {
servers[i] = newServer
found = true
break
}
}
if !found {
return fmt.Errorf("server with alias '%s' not found", alias)
}
return m.writeServers(servers)
}
func (m *sshConfigManager) deleteServer(alias string) error {
servers, err := m.parseServers()
if err != nil {
return err
}
newServers := make([]domain.Server, 0, len(servers))
found := false
for _, srv := range servers {
if srv.Alias != alias {
newServers = append(newServers, srv)
} else {
found = true
}
}
if !found {
return fmt.Errorf("server with alias '%s' not found", alias)
}
return m.writeServers(newServers)
}
func (m *sshConfigManager) ensureDirectory() error {
dir := filepath.Dir(m.filePath)
return os.MkdirAll(dir, 0o700)
}