mirror of
https://github.com/Luzifer/twitch-bot.git
synced 2024-11-09 16:50:01 +00:00
94 lines
2.2 KiB
Go
94 lines
2.2 KiB
Go
package main
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import (
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"bytes"
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"context"
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"encoding/json"
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"os"
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"os/exec"
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"github.com/Luzifer/twitch-bot/plugins"
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"github.com/Luzifer/twitch-bot/twitch"
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"github.com/go-irc/irc"
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"github.com/pkg/errors"
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)
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func init() {
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registerAction(func() plugins.Actor { return &ActorScript{} })
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}
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type ActorScript struct {
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Command []string `json:"command" yaml:"command"`
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}
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func (a ActorScript) Execute(c *irc.Client, m *irc.Message, r *plugins.Rule) (preventCooldown bool, err error) {
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if len(a.Command) == 0 {
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return false, nil
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}
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var command []string
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for _, arg := range a.Command {
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tmp, err := formatMessage(arg, m, r, nil)
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if err != nil {
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return false, errors.Wrap(err, "execute command argument template")
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}
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command = append(command, tmp)
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}
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ctx, cancel := context.WithTimeout(context.Background(), cfg.CommandTimeout)
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defer cancel()
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var (
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stdin = new(bytes.Buffer)
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stdout = new(bytes.Buffer)
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)
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if err := json.NewEncoder(stdin).Encode(map[string]interface{}{
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"badges": twitch.ParseBadgeLevels(m),
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"channel": m.Params[0],
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"message": m.Trailing(),
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"tags": m.Tags,
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"username": m.User,
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}); err != nil {
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return false, errors.Wrap(err, "encoding script input")
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}
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cmd := exec.CommandContext(ctx, command[0], command[1:]...) // #nosec G204 // This is expected to call a command with parameters
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cmd.Env = os.Environ()
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cmd.Stderr = os.Stderr
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cmd.Stdin = stdin
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cmd.Stdout = stdout
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if err := cmd.Run(); err != nil {
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return false, errors.Wrap(err, "running command")
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}
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if stdout.Len() == 0 {
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// Script was successful but did not yield actions
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return false, nil
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}
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var (
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actions []*plugins.RuleAction
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decoder = json.NewDecoder(stdout)
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)
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decoder.DisallowUnknownFields()
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if err := decoder.Decode(&actions); err != nil {
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return false, errors.Wrap(err, "decoding actions output")
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}
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for _, action := range actions {
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apc, err := triggerActions(c, m, r, action)
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if err != nil {
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return preventCooldown, errors.Wrap(err, "execute returned action")
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}
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preventCooldown = preventCooldown || apc
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}
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return preventCooldown, nil
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}
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func (a ActorScript) IsAsync() bool { return false }
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func (a ActorScript) Name() string { return "script" }
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