127 lines
2.2 KiB
Go
127 lines
2.2 KiB
Go
package database
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import (
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"fmt"
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"log"
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"github.com/jinzhu/gorm"
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upstreamprovider "github.com/tg123/sshpiper/sshpiperd/upstream"
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)
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var logger *log.Logger
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type createdb interface {
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create() (*gorm.DB, error)
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}
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type plugin struct {
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createdb
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db *gorm.DB
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}
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func (p *plugin) ListPipe() ([]upstreamprovider.Pipe, error) {
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db := p.db
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downstreams := make([]downstream, 0)
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err := db.Set("gorm:auto_preload", true).Find(&downstreams).Error
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if err != nil {
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return nil, err
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}
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pipes := make([]upstreamprovider.Pipe, 0, len(downstreams))
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for _, d := range downstreams {
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host, port, err := upstreamprovider.SplitHostPortForSSH(d.Upstream.Server.Address)
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if err != nil {
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continue
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}
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upuser := d.Upstream.Username
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if upuser == "" {
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upuser = d.Username
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}
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pipes = append(pipes, upstreamprovider.Pipe{
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Host: host,
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Port: port,
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Username: d.Username,
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UpstreamUsername: upuser,
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})
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}
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return pipes, nil
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}
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func (p *plugin) CreatePipe(opt upstreamprovider.CreatePipeOption) error {
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db := p.db
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return db.Create(&downstream{
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Username: opt.Username,
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Upstream: upstream{
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Username: opt.UpstreamUsername,
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AuthMapType: authMapTypeNone,
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Server: server{
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Address: fmt.Sprintf("%v:%v", opt.Host, opt.Port),
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IgnoreHostKey: true,
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},
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},
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}).Error
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}
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func (p *plugin) RemovePipe(name string) error {
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db := p.db
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d, err := lookupDownstream(db, name)
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if err != nil {
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if gorm.IsRecordNotFoundError(err) {
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return nil
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}
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return err
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}
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return db.Unscoped().Delete(d).Error
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}
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func (p *plugin) GetHandler() upstreamprovider.Handler {
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return p.findUpstream
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}
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func (p *plugin) Init(glogger *log.Logger) error {
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logger = glogger
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db, err := p.create()
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if err != nil {
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return err
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}
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logger.Printf("upstream provider: Database driver [%v] initializing", db.Dialect().GetName())
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err = db.AutoMigrate(
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new(keydata),
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new(privateKey),
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new(hostKey),
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new(server),
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new(upstream),
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new(authorizedKey),
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new(downstream),
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new(config),
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).Error
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if err != nil {
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logger.Printf("AutoMigrate error: %v", err)
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}
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p.db = db
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// plugin is alive within program lifecycle, close when unload added
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// defer db.Close()
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return nil
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}
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