woodpecker/server/plugins/utils/http.go
6543 08a99152d6
Dedup code and migrate away from deprecated funcs (#1141)
Co-authored-by: Anbraten <anton@ju60.de>
2022-08-30 01:14:07 +02:00

74 lines
1.6 KiB
Go

package utils
import (
"bytes"
"context"
"crypto"
"encoding/json"
"fmt"
"io"
"net/http"
"net/url"
"github.com/go-ap/httpsig"
)
// 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 crypto.PrivateKey, in, out interface{}) (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")
}
err = SignHTTPRequest(privateKey, req)
if err != nil {
return 0, err
}
resp, err := http.DefaultClient.Do(req)
if err != nil {
return 0, err
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
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 SignHTTPRequest(privateKey crypto.PrivateKey, req *http.Request) error {
pubKeyID := "woodpecker-ci-plugins"
signer := httpsig.NewEd25519Signer(pubKeyID, privateKey, nil)
return signer.Sign(req)
}