60 lines
1.1 KiB
Go
60 lines
1.1 KiB
Go
package webhook
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import (
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"bytes"
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"encoding/json"
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"log"
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"net/http"
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"maunium.net/go/mautrix/event"
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)
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const (
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messageTemplate = `@room Alerts for group "{{ .GroupKey }}":{{ range .Alerts }}
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* {{ .Annotations.Description }}{{ end }}`
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)
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func (s Server) handleWebhook(w http.ResponseWriter, r *http.Request) {
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if r.Header.Get("Content-Type") != "application/json" {
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writeStatus(w, http.StatusBadRequest)
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return
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}
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decoder := json.NewDecoder(r.Body)
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var payload Payload
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err := decoder.Decode(&payload)
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if err != nil {
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writeStatus(w, http.StatusBadRequest)
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return
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}
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if payload.Version != "4" {
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writeStatus(w, http.StatusBadRequest)
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return
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}
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if payload.Status != StatusFiring {
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writeStatus(w, http.StatusOK)
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return
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}
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var message bytes.Buffer
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err = s.tmpl.Execute(&message, payload)
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if err != nil {
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log.Print(err)
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writeStatus(w, http.StatusInternalServerError)
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return
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}
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evt := event.MessageEventContent{
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MsgType: event.MsgText,
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Body: message.String(),
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}
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success := s.matrix.Broadcast(&evt)
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if !success {
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writeStatus(w, http.StatusInternalServerError)
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}
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}
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