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dendrite/internal/pushgateway/client.go
Neil Alexander 77722c5a4f
Back out matrix-org/dendrite#2421 by restoring http.Clients
This creates problems with non-HTTPS endpoints and should fix #2444.
2022-05-10 11:08:10 +01:00

67 lines
1.5 KiB
Go

package pushgateway
import (
"bytes"
"context"
"crypto/tls"
"encoding/json"
"fmt"
"net/http"
"time"
"github.com/opentracing/opentracing-go"
)
type httpClient struct {
hc *http.Client
}
// NewHTTPClient creates a new Push Gateway client.
func NewHTTPClient(disableTLSValidation bool) Client {
hc := &http.Client{
Timeout: 30 * time.Second,
Transport: &http.Transport{
DisableKeepAlives: true,
TLSClientConfig: &tls.Config{
InsecureSkipVerify: disableTLSValidation,
},
Proxy: http.ProxyFromEnvironment,
},
}
return &httpClient{hc: hc}
}
func (h *httpClient) Notify(ctx context.Context, url string, req *NotifyRequest, resp *NotifyResponse) error {
span, ctx := opentracing.StartSpanFromContext(ctx, "Notify")
defer span.Finish()
body, err := json.Marshal(req)
if err != nil {
return err
}
hreq, err := http.NewRequestWithContext(ctx, http.MethodPost, url, bytes.NewReader(body))
if err != nil {
return err
}
hreq.Header.Set("Content-Type", "application/json")
hresp, err := h.hc.Do(hreq)
if err != nil {
return err
}
//nolint:errcheck
defer hresp.Body.Close()
if hresp.StatusCode == http.StatusOK {
return json.NewDecoder(hresp.Body).Decode(resp)
}
var errorBody struct {
Message string `json:"message"`
}
if err := json.NewDecoder(hresp.Body).Decode(&errorBody); err == nil {
return fmt.Errorf("push gateway: %d from %s: %s", hresp.StatusCode, url, errorBody.Message)
}
return fmt.Errorf("push gateway: %d from %s", hresp.StatusCode, url)
}