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client.go
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client.go
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// Copyright 2018-2020 CERN
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// In applying this license, CERN does not waive the privileges and immunities
// granted to it by virtue of its status as an Intergovernmental Organization
// or submit itself to any jurisdiction.
package rhttp
import (
"context"
"crypto/tls"
"io"
"net/http"
"go.opencensus.io/plugin/ochttp"
"github.com/cs3org/reva/pkg/token"
"github.com/pkg/errors"
)
// GetHTTPClient returns an http client with open census tracing support.
// TODO(labkode): harden it.
// https://medium.com/@nate510/don-t-use-go-s-default-http-client-4804cb19f779
func GetHTTPClient(opts ...Option) *http.Client {
options := newOptions(opts...)
tr := http.DefaultTransport.(*http.Transport).Clone()
tr.DisableKeepAlives = options.DisableKeepAlive
tr.TLSClientConfig = &tls.Config{
InsecureSkipVerify: options.Insecure,
}
httpClient := &http.Client{
Timeout: options.Timeout,
Transport: &ochttp.Transport{
Base: tr,
},
}
return httpClient
}
// NewRequest creates an HTTP request that sets the token if it is passed in ctx.
func NewRequest(ctx context.Context, method, url string, body io.Reader) (*http.Request, error) {
httpReq, err := http.NewRequest(method, url, body)
if err != nil {
return nil, errors.Wrap(err, "utils: error creating request")
}
// TODO(labkode): make header / auth configurable
tkn, ok := token.ContextGetToken(ctx)
if ok {
httpReq.Header.Set(token.TokenHeader, tkn)
}
httpReq = httpReq.WithContext(ctx)
return httpReq, nil
}