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 pushgateway
import (
"bytes"
"context"
"crypto/tls"
"encoding/json"
"fmt"
"net/http"
"time"
"github.com/matrix-org/dendrite/internal"
"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
}
defer internal.CloseAndLogIfError(ctx, hresp.Body, "failed to close response body")
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)
}
|
