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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
// A HTTP wrapper which handles some errors and provides a way to replace the HTTP client by a mock.
// Author: bratseth
package util
import (
"crypto/tls"
"fmt"
"net/http"
"time"
"github.com/vespa-engine/vespa/client/go/build"
)
// Set this to a mock HttpClient instead to unit test HTTP requests
var ActiveHttpClient = CreateClient(time.Second * 10)
type HttpClient interface {
Do(request *http.Request, timeout time.Duration) (response *http.Response, error error)
UseCertificate(certificate []tls.Certificate)
}
type defaultHttpClient struct {
client *http.Client
}
func (c *defaultHttpClient) Do(request *http.Request, timeout time.Duration) (response *http.Response, error error) {
if c.client.Timeout != timeout { // Set wanted timeout
c.client.Timeout = timeout
}
return c.client.Do(request)
}
func (c *defaultHttpClient) UseCertificate(certificates []tls.Certificate) {
c.client.Transport = &http.Transport{TLSClientConfig: &tls.Config{
Certificates: certificates,
}}
}
func CreateClient(timeout time.Duration) HttpClient {
return &defaultHttpClient{
client: &http.Client{Timeout: timeout},
}
}
func HttpDo(request *http.Request, timeout time.Duration, description string) (*http.Response, error) {
if request.Header == nil {
request.Header = make(http.Header)
}
request.Header.Set("User-Agent", fmt.Sprintf("Vespa CLI/%s", build.Version))
response, err := ActiveHttpClient.Do(request, timeout)
if err != nil {
return nil, err
}
return response, nil
}
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