{* ../../docs_src/security/tutorial001.py hl[6] *}

/// tip | Dica



///

	Esse `tokenUrl="token"` se refere a uma URL relativa que nós não criamos ainda. Como é uma URL relativa, é equivalente a `./token`.

  override fun isCanceled(): Boolean = false

  override fun candidateConnection(): RealConnection? = null

  override fun proxySelectStart(url: HttpUrl) {
  }

  override fun proxySelectEnd(
    url: HttpUrl,
    proxies: List<Proxy>,
  ) {
  }

  override fun dnsStart(socketHost: String) {
  }

  override fun dnsEnd(
    socketHost: String,

   * This will be invoked for route selection regardless of whether the client
   * is configured with a single proxy, a proxy selector, or neither.
   *
   * @param url a URL with only the scheme, hostname, and port specified.
   */
  open fun proxySelectStart(
    call: Call,
    url: HttpUrl,
  ) {
  }

  /**
   * Invoked after proxy selection.
   *
   * Note that the list of proxies is never null, but it may be a list containing

                                    <label for="url" class="col-sm-2 text-sm-right col-form-label"><la:message
                                            key="labels.failure_url_search_url"/></label>
                                    <div class="col-sm-10">
                                        <la:text styleId="url" property="url" styleClass="form-control"></la:text>
                                    </div>

constraints.SafeHtml.message = {item} zawiera niebezpieczną zawartość HTML.
constraints.ScriptAssert.message = Wyrażenie skryptowe "{script}" nie jest prawdziwe.
constraints.URL.message = {item} nie jest prawidłowym adresem URL.
constraints.Required.message = {item} jest wymagane.
constraints.TypeInteger.message = {item} musi być liczbą.
constraints.TypeLong.message = {item} musi być liczbą.

und sie würde eine Response von dieser *externen API* mit einem JSON-Body wie dem folgenden erwarten:

```JSON
{
    "ok": true
}
```

/// tip | Tipp

Beachten Sie, dass die verwendete Callback-URL die URL enthält, die als Query-Parameter in `callback_url` (`https://www.external.org/events`) empfangen wurde, und auch die Rechnungs-`id` aus dem JSON-Body (`2expen51ve`).

///

### Den Callback-Router hinzufügen

  final OkHttpClient client = new OkHttpClient();

  String post(String url, String json) throws IOException {
    RequestBody body = RequestBody.create(json, JSON);
    Request request = new Request.Builder()
        .url(url)
        .post(body)
        .build();
    try (Response response = client.newCall(request).execute()) {
      return response.body().string();

        } else {
            super.addFieldToSource(sourceMap, field, value);
        }
    }

    @Override
    public String toString() {
        return "FavoriteLog [createdAt=" + createdAt + ", url=" + url + ", docId=" + docId + ", queryId=" + queryId + ", userInfoId="
                + userInfoId + ", docMeta=" + docMeta + "]";
    }

    @Override
    public String getEventType() {
        return "favorite";
    }

...
01-01 12:53:32.811 10999 11089 D OkHttp  : [49 ms] responseHeadersEnd: Response{protocol=h2, code=200, message=, url=https://1.1.1.1/dns-query?dns=AAABAAABAAAAAAAAA3d3dwhmYWNlYm9vawNjb20AABwAAQ}
01-01 12:53:32.811 10999 11089 D OkHttp  : [49 ms] responseBodyStart
01-01 12:53:32.811 10999 11089 D OkHttp  : [49 ms] responseBodyEnd: byteCount=128

	}

	b.RunParallel(func(pb *testing.PB) {
		for pb.Next() {
			req.Form.Get("uploadId")
		}
	})

	// Benchmark ends here. Stop timer.
	b.StopTimer()
}

// BenchmarkURLQuery - benchmark URL memory allocations
func BenchmarkURLQuery(b *testing.B) {
	req, err := http.NewRequest(http.MethodGet, "http://localhost:9000/bucket/name?uploadId=upload&partNumber=1", http.NoBody)
	if err != nil {
		b.Fatal(err)
	}