93 lines
2.5 KiB
Go
93 lines
2.5 KiB
Go
// Copyright 2023 Woodpecker Authors
|
|
//
|
|
// 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.
|
|
|
|
package utils
|
|
|
|
import (
|
|
"bytes"
|
|
"context"
|
|
"crypto/ed25519"
|
|
"encoding/json"
|
|
"fmt"
|
|
"io"
|
|
"net/http"
|
|
"net/url"
|
|
|
|
"github.com/yaronf/httpsign"
|
|
)
|
|
|
|
// Send makes an http request to the given endpoint, writing the input
|
|
// to the request body and un-marshaling the output from the response body.
|
|
func Send(ctx context.Context, method, path string, privateKey ed25519.PrivateKey, in, out any) (int, error) {
|
|
uri, err := url.Parse(path)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
// if we are posting or putting data, we need to write it to the body of the request.
|
|
var buf io.ReadWriter
|
|
if in != nil {
|
|
buf = new(bytes.Buffer)
|
|
jsonErr := json.NewEncoder(buf).Encode(in)
|
|
if jsonErr != nil {
|
|
return 0, jsonErr
|
|
}
|
|
}
|
|
|
|
// creates a new http request to the endpoint.
|
|
req, err := http.NewRequestWithContext(ctx, method, uri.String(), buf)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
if in != nil {
|
|
req.Header.Set("Content-Type", "application/json")
|
|
}
|
|
|
|
client, err := signClient(privateKey)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
|
|
resp, err := client.Do(req)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
if resp.StatusCode != http.StatusOK {
|
|
body, err := io.ReadAll(resp.Body)
|
|
if err != nil {
|
|
return resp.StatusCode, err
|
|
}
|
|
|
|
return resp.StatusCode, fmt.Errorf("response: %s", string(body))
|
|
}
|
|
|
|
// if no other errors parse and return the json response.
|
|
err = json.NewDecoder(resp.Body).Decode(out)
|
|
return resp.StatusCode, err
|
|
}
|
|
|
|
func signClient(privateKey ed25519.PrivateKey) (*httpsign.Client, error) {
|
|
pubKeyID := "woodpecker-ci-extensions"
|
|
|
|
signer, err := httpsign.NewEd25519Signer(privateKey,
|
|
httpsign.NewSignConfig(),
|
|
httpsign.Headers("@request-target", "content-digest")) // The Content-Digest header will be auto-generated
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return httpsign.NewDefaultClient(httpsign.NewClientConfig().SetSignatureName(pubKeyID).SetSigner(signer)), nil // sign requests, don't verify responses
|
|
}
|