File size: 1,875 Bytes
6a7089a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 | package scheduler
import (
"bytes"
"encoding/json"
"io"
"log/slog"
"net/http"
"net/url"
"time"
)
// webhookClient is a dedicated HTTP client for webhook delivery with short timeouts.
var webhookClient = &http.Client{
Timeout: 10 * time.Second,
}
// sendWebhook delivers a task snapshot to the configured callbackUrl.
// Delivery is best-effort: failures are logged but do not affect task state.
func sendWebhook(callbackURL string, t *Task) {
if callbackURL == "" {
return
}
// Only allow http/https schemes to prevent SSRF.
parsed, err := url.Parse(callbackURL)
if err != nil {
slog.Warn("webhook: invalid callback URL", "task", t.ID, "url", callbackURL, "err", err)
return
}
if parsed.Scheme != "http" && parsed.Scheme != "https" {
slog.Warn("webhook: unsupported scheme", "task", t.ID, "scheme", parsed.Scheme)
return
}
snap := t.Snapshot()
payload, err := json.Marshal(snap)
if err != nil {
slog.Warn("webhook: failed to marshal task", "task", t.ID, "err", err)
return
}
req, err := http.NewRequest(http.MethodPost, callbackURL, bytes.NewReader(payload))
if err != nil {
slog.Warn("webhook: failed to create request", "task", t.ID, "err", err)
return
}
req.Header.Set("Content-Type", "application/json")
req.Header.Set("X-PinchTab-Event", "task.completed")
req.Header.Set("X-PinchTab-Task-ID", snap.ID)
resp, err := webhookClient.Do(req)
if err != nil {
slog.Warn("webhook: delivery failed", "task", t.ID, "url", callbackURL, "err", err)
return
}
// Drain body so the underlying connection can be reused.
_, _ = io.Copy(io.Discard, resp.Body)
_ = resp.Body.Close()
if resp.StatusCode >= 400 {
slog.Warn("webhook: non-success response", "task", t.ID, "url", callbackURL, "status", resp.StatusCode)
return
}
slog.Info("webhook: delivered", "task", t.ID, "url", callbackURL, "status", resp.StatusCode)
}
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