86 lines
2.2 KiB
Go
86 lines
2.2 KiB
Go
package main
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import (
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"context"
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"fmt"
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"os"
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"github.com/hashicorp/go-hclog"
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plugin "github.com/hashicorp/go-plugin"
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"github.com/slack-go/slack"
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"gopkg.in/yaml.v3"
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"github.com/crowdsecurity/crowdsec/pkg/protobufs"
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)
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type PluginConfig struct {
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Name string `yaml:"name"`
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Webhook string `yaml:"webhook"`
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LogLevel *string `yaml:"log_level"`
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}
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type Notify struct {
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ConfigByName map[string]PluginConfig
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}
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var logger hclog.Logger = hclog.New(&hclog.LoggerOptions{
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Name: "slack-plugin",
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Level: hclog.LevelFromString("INFO"),
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Output: os.Stderr,
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JSONFormat: true,
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})
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func (n *Notify) Notify(ctx context.Context, notification *protobufs.Notification) (*protobufs.Empty, error) {
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if _, ok := n.ConfigByName[notification.Name]; !ok {
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return nil, fmt.Errorf("invalid plugin config name %s", notification.Name)
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}
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cfg := n.ConfigByName[notification.Name]
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if cfg.LogLevel != nil && *cfg.LogLevel != "" {
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logger.SetLevel(hclog.LevelFromString(*cfg.LogLevel))
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}
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logger.Info(fmt.Sprintf("found notify signal for %s config", notification.Name))
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logger.Debug(fmt.Sprintf("posting to %s webhook, message %s", cfg.Webhook, notification.Text))
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err := slack.PostWebhookContext(ctx, n.ConfigByName[notification.Name].Webhook, &slack.WebhookMessage{
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Text: notification.Text,
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})
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if err != nil {
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logger.Error(err.Error())
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}
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return &protobufs.Empty{}, err
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}
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func (n *Notify) Configure(ctx context.Context, config *protobufs.Config) (*protobufs.Empty, error) {
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d := PluginConfig{}
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if err := yaml.Unmarshal(config.Config, &d); err != nil {
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return nil, err
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}
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n.ConfigByName[d.Name] = d
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logger.Debug(fmt.Sprintf("Slack plugin '%s' use URL '%s'", d.Name, d.Webhook))
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return &protobufs.Empty{}, nil
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}
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func main() {
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handshake := plugin.HandshakeConfig{
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ProtocolVersion: 1,
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MagicCookieKey: "CROWDSEC_PLUGIN_KEY",
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MagicCookieValue: os.Getenv("CROWDSEC_PLUGIN_KEY"),
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}
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plugin.Serve(&plugin.ServeConfig{
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HandshakeConfig: handshake,
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Plugins: map[string]plugin.Plugin{
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"slack": &protobufs.NotifierPlugin{
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Impl: &Notify{ConfigByName: make(map[string]PluginConfig)},
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},
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},
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GRPCServer: plugin.DefaultGRPCServer,
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Logger: logger,
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})
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}
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