sftpgo/plugin/searcher.go
Nicola Murino 1f619d5ea6
make the sdk a separate module
The SFTPGo SDK now is at the following URL

https://github.com/sftpgo/sdk

Fixes #657

Signed-off-by: Nicola Murino <nicola.murino@gmail.com>
2022-01-06 11:54:43 +01:00

82 lines
2.1 KiB
Go

package plugin
import (
"crypto/sha256"
"fmt"
"os/exec"
"github.com/hashicorp/go-hclog"
"github.com/hashicorp/go-plugin"
"github.com/sftpgo/sdk/plugin/eventsearcher"
"github.com/drakkan/sftpgo/v2/logger"
)
type searcherPlugin struct {
config Config
searchear eventsearcher.Searcher
client *plugin.Client
}
func newSearcherPlugin(config Config) (*searcherPlugin, error) {
p := &searcherPlugin{
config: config,
}
if err := p.initialize(); err != nil {
logger.Warn(logSender, "", "unable to create events searcher plugin: %v, config %+v", err, config)
return nil, err
}
return p, nil
}
func (p *searcherPlugin) exited() bool {
return p.client.Exited()
}
func (p *searcherPlugin) cleanup() {
p.client.Kill()
}
func (p *searcherPlugin) initialize() error {
killProcess(p.config.Cmd)
logger.Debug(logSender, "", "create new searcher plugin %#v", p.config.Cmd)
var secureConfig *plugin.SecureConfig
if p.config.SHA256Sum != "" {
secureConfig.Checksum = []byte(p.config.SHA256Sum)
secureConfig.Hash = sha256.New()
}
client := plugin.NewClient(&plugin.ClientConfig{
HandshakeConfig: eventsearcher.Handshake,
Plugins: eventsearcher.PluginMap,
Cmd: exec.Command(p.config.Cmd, p.config.Args...),
AllowedProtocols: []plugin.Protocol{
plugin.ProtocolGRPC,
},
AutoMTLS: p.config.AutoMTLS,
SecureConfig: secureConfig,
Managed: false,
Logger: &logger.HCLogAdapter{
Logger: hclog.New(&hclog.LoggerOptions{
Name: fmt.Sprintf("%v.%v", logSender, eventsearcher.PluginName),
Level: pluginsLogLevel,
DisableTime: true,
}),
},
})
rpcClient, err := client.Client()
if err != nil {
logger.Debug(logSender, "", "unable to get rpc client for plugin %#v: %v", p.config.Cmd, err)
return err
}
raw, err := rpcClient.Dispense(eventsearcher.PluginName)
if err != nil {
logger.Debug(logSender, "", "unable to get plugin %v from rpc client for command %#v: %v",
eventsearcher.PluginName, p.config.Cmd, err)
return err
}
p.client = client
p.searchear = raw.(eventsearcher.Searcher)
return nil
}