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request.go
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request.go
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package snapper
import (
"bytes"
bin "encoding/binary"
"io"
"net/http"
"github.com/0xzer/snapper/types"
)
type Request struct {
client *Client
http *http.Client
}
func (r *Request) MakeRequest(url string, method string, headers http.Header, payload []byte, requestType types.RequestType) (*http.Response, []byte, error) {
if requestType == types.GRPC {
grpcHeader, err := writeGRPCHeader(payload)
if err != nil {
return nil, nil, err
}
payload = append(grpcHeader.Bytes(), payload...)
}
newRequest, err := http.NewRequest(method, url, bytes.NewBuffer(payload))
if err != nil {
return nil, nil, err
}
newRequest.Header = headers
response, err := r.http.Do(newRequest)
if err != nil {
return nil, nil, err
}
defer response.Body.Close()
responseBody, err := io.ReadAll(response.Body)
if err != nil {
return nil, nil, err
}
return response, responseBody, nil
}
func writeGRPCHeader(message []byte) (*bytes.Buffer, error) {
buf := new(bytes.Buffer)
buf.WriteByte(0)
err := bin.Write(buf, bin.BigEndian, int32(len(message)))
if err != nil {
return nil, err
}
return buf, nil
}