80 lines
1.6 KiB
Go
80 lines
1.6 KiB
Go
package file
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import (
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"os"
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"path"
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"regexp"
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log "github.com/sirupsen/logrus"
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"dev.sum7.eu/genofire/logmania/bot"
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"dev.sum7.eu/genofire/logmania/database"
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"dev.sum7.eu/genofire/logmania/lib"
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"dev.sum7.eu/genofire/logmania/notify"
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)
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const (
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proto = "file"
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)
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var logger = log.WithField("notify", proto)
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type Notifier struct {
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notify.Notifier
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files map[string]*os.File
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formatter log.Formatter
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path string
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}
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func Init(config *lib.NotifyConfig, db *database.DB, bot *bot.Bot) notify.Notifier {
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logger.Info("startup")
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if config.FileDirectory == "" {
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return nil
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}
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return &Notifier{
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files: make(map[string]*os.File),
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formatter: &log.JSONFormatter{},
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path: config.FileDirectory,
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}
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}
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func (n *Notifier) getFile(name string) *os.File {
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if file, ok := n.files[name]; ok {
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return file
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}
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if m, err := regexp.MatchString(`^[0-9A-Za-z_-]*$`, name); err != nil || !m {
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logger.Errorf("not allowed to use '%s:%s'", proto, name)
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return nil
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}
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filename := path.Join(n.path, name+".json")
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file, err := os.OpenFile(filename, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600)
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if err != nil {
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logger.Errorf("could not open file: %s", err.Error())
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return nil
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}
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n.files[name] = file
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return file
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}
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func (n *Notifier) Send(e *log.Entry, to *database.Notify) bool {
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if to.Protocol != proto {
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return false
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}
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byteText, err := n.formatter.Format(e)
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if err != nil {
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return false
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}
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text := to.RunReplace(string(byteText))
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file := n.getFile(to.To)
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if file == nil {
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return false
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}
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_, err = file.WriteString(text)
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return err == nil
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}
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func init() {
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notify.AddNotifier(Init)
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}
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