Files
zitadel/internal/notification/channels/webhook/channel.go
Stefan Benz 1a7cd6e1af feat: http provider signing key addition (#10641)
# Which Problems Are Solved

HTTP Request to HTTP providers for Email or SMS are not signed.

# How the Problems Are Solved

Add a Signing Key to the HTTP Provider resources, which is then used to
generate a header to sign the payload.

# Additional Changes

Additional tests for query side of the SMTP provider.

# Additional Context

Closes #10067

---------

Co-authored-by: Marco A. <marco@zitadel.com>
(cherry picked from commit 8909b9a2a6)
2025-09-15 08:26:41 +02:00

65 lines
1.8 KiB
Go

package webhook
import (
"context"
"fmt"
"net/http"
"strings"
"time"
"github.com/zitadel/logging"
"github.com/zitadel/zitadel/internal/notification/channels"
"github.com/zitadel/zitadel/internal/notification/messages"
"github.com/zitadel/zitadel/internal/zerrors"
"github.com/zitadel/zitadel/pkg/actions"
)
const (
SigningHeader = "ZITADEL-Signature"
)
func InitChannel(ctx context.Context, cfg Config) (channels.NotificationChannel, error) {
if err := cfg.Validate(); err != nil {
return nil, err
}
logging.Debug("successfully initialized webhook json channel")
return channels.HandleMessageFunc(func(message channels.Message) error {
requestCtx, cancel := context.WithTimeout(ctx, 5*time.Second)
defer cancel()
msg, ok := message.(*messages.JSON)
if !ok {
return zerrors.ThrowInternal(nil, "WEBH-K686U", "message is not JSON")
}
payload, err := msg.GetContent()
if err != nil {
return err
}
req, err := http.NewRequestWithContext(requestCtx, cfg.Method, cfg.CallURL, strings.NewReader(payload))
if err != nil {
return err
}
if cfg.Headers != nil {
req.Header = cfg.Headers
}
req.Header.Set("Content-Type", "application/json")
if cfg.SigningKey != "" {
req.Header.Set(SigningHeader, actions.ComputeSignatureHeader(time.Now(), []byte(payload), cfg.SigningKey))
}
resp, err := http.DefaultClient.Do(req)
if err != nil {
return err
}
if err = resp.Body.Close(); err != nil {
return err
}
if resp.StatusCode < 200 || resp.StatusCode >= 300 {
return zerrors.ThrowUnknown(fmt.Errorf("calling url %s returned %s", cfg.CallURL, resp.Status), "WEBH-LBxU0", "webhook didn't return a success status")
}
logging.WithFields("calling_url", cfg.CallURL, "method", cfg.Method).Debug("webhook called")
return nil
}), nil
}