mirror of
https://github.com/grafana/grafana.git
synced 2024-12-01 21:19:28 -06:00
062d255124
* replace ioutil.ReadFile -> os.ReadFile * replace ioutil.ReadAll -> io.ReadAll * replace ioutil.TempFile -> os.CreateTemp * replace ioutil.NopCloser -> io.NopCloser * replace ioutil.WriteFile -> os.WriteFile * replace ioutil.TempDir -> os.MkdirTemp * replace ioutil.Discard -> io.Discard
112 lines
2.9 KiB
Go
112 lines
2.9 KiB
Go
package notifications
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"crypto/tls"
|
|
"fmt"
|
|
"io"
|
|
"net"
|
|
"net/http"
|
|
"time"
|
|
|
|
"github.com/grafana/grafana/pkg/util"
|
|
)
|
|
|
|
type Webhook struct {
|
|
Url string
|
|
User string
|
|
Password string
|
|
Body string
|
|
HttpMethod string
|
|
HttpHeader map[string]string
|
|
ContentType string
|
|
|
|
// Validation is a function that will validate the response body and statusCode of the webhook. Any returned error will cause the webhook request to be considered failed.
|
|
// This can be useful when a webhook service communicates failures in creative ways, such as using the response body instead of the status code.
|
|
Validation func(body []byte, statusCode int) error
|
|
}
|
|
|
|
// WebhookClient exists to mock the client in tests.
|
|
type WebhookClient interface {
|
|
Do(req *http.Request) (*http.Response, error)
|
|
}
|
|
|
|
var netTransport = &http.Transport{
|
|
TLSClientConfig: &tls.Config{
|
|
Renegotiation: tls.RenegotiateFreelyAsClient,
|
|
},
|
|
Proxy: http.ProxyFromEnvironment,
|
|
Dial: (&net.Dialer{
|
|
Timeout: 30 * time.Second,
|
|
}).Dial,
|
|
TLSHandshakeTimeout: 5 * time.Second,
|
|
}
|
|
var netClient WebhookClient = &http.Client{
|
|
Timeout: time.Second * 30,
|
|
Transport: netTransport,
|
|
}
|
|
|
|
func (ns *NotificationService) sendWebRequestSync(ctx context.Context, webhook *Webhook) error {
|
|
if webhook.HttpMethod == "" {
|
|
webhook.HttpMethod = http.MethodPost
|
|
}
|
|
|
|
ns.log.Debug("Sending webhook", "url", webhook.Url, "http method", webhook.HttpMethod)
|
|
|
|
if webhook.HttpMethod != http.MethodPost && webhook.HttpMethod != http.MethodPut {
|
|
return fmt.Errorf("webhook only supports HTTP methods PUT or POST")
|
|
}
|
|
|
|
request, err := http.NewRequestWithContext(ctx, webhook.HttpMethod, webhook.Url, bytes.NewReader([]byte(webhook.Body)))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if webhook.ContentType == "" {
|
|
webhook.ContentType = "application/json"
|
|
}
|
|
|
|
request.Header.Set("Content-Type", webhook.ContentType)
|
|
request.Header.Set("User-Agent", "Grafana")
|
|
|
|
if webhook.User != "" && webhook.Password != "" {
|
|
request.Header.Set("Authorization", util.GetBasicAuthHeader(webhook.User, webhook.Password))
|
|
}
|
|
|
|
for k, v := range webhook.HttpHeader {
|
|
request.Header.Set(k, v)
|
|
}
|
|
|
|
resp, err := netClient.Do(request)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer func() {
|
|
if err := resp.Body.Close(); err != nil {
|
|
ns.log.Warn("Failed to close response body", "err", err)
|
|
}
|
|
}()
|
|
|
|
body, err := io.ReadAll(resp.Body)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if webhook.Validation != nil {
|
|
err := webhook.Validation(body, resp.StatusCode)
|
|
if err != nil {
|
|
ns.log.Debug("Webhook failed validation", "url", webhook.Url, "statuscode", resp.Status, "body", string(body))
|
|
return fmt.Errorf("webhook failed validation: %w", err)
|
|
}
|
|
}
|
|
|
|
if resp.StatusCode/100 == 2 {
|
|
ns.log.Debug("Webhook succeeded", "url", webhook.Url, "statuscode", resp.Status)
|
|
return nil
|
|
}
|
|
|
|
ns.log.Debug("Webhook failed", "url", webhook.Url, "statuscode", resp.Status, "body", string(body))
|
|
return fmt.Errorf("webhook response status %v", resp.Status)
|
|
}
|