119 lines
2.7 KiB
Go
119 lines
2.7 KiB
Go
/*
|
|
* Echotron
|
|
* Copyright (C) 2018-2022 The Echotron Devs
|
|
*
|
|
* Echotron is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* Echotron is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
package echotron
|
|
|
|
import (
|
|
"bytes"
|
|
"io"
|
|
"mime/multipart"
|
|
"net/http"
|
|
"net/url"
|
|
"path/filepath"
|
|
"strings"
|
|
)
|
|
|
|
// content is a struct which contains a file's name, its type and its data.
|
|
type content struct {
|
|
fname string
|
|
ftype string
|
|
fdata []byte
|
|
}
|
|
|
|
// sendGetRequest is used to send an HTTP GET request.
|
|
func sendGetRequest(url string) ([]byte, error) {
|
|
resp, err := http.Get(url)
|
|
if err != nil {
|
|
return []byte{}, err
|
|
}
|
|
defer resp.Body.Close()
|
|
|
|
data, err := io.ReadAll(resp.Body)
|
|
if err != nil {
|
|
return []byte{}, err
|
|
}
|
|
|
|
return data, nil
|
|
}
|
|
|
|
// sendPostRequest is used to send an HTTP POST request.
|
|
func sendPostRequest(url string, files ...content) ([]byte, error) {
|
|
var buf = new(bytes.Buffer)
|
|
var w = multipart.NewWriter(buf)
|
|
|
|
for _, f := range files {
|
|
part, err := w.CreateFormFile(f.ftype, filepath.Base(f.fname))
|
|
if err != nil {
|
|
return []byte{}, err
|
|
}
|
|
part.Write(f.fdata)
|
|
}
|
|
|
|
w.Close()
|
|
|
|
req, err := http.NewRequest("POST", url, buf)
|
|
if err != nil {
|
|
return []byte{}, err
|
|
}
|
|
req.Header.Add("Content-Type", w.FormDataContentType())
|
|
|
|
var client = new(http.Client)
|
|
res, err := client.Do(req)
|
|
if err != nil {
|
|
return []byte{}, err
|
|
}
|
|
defer res.Body.Close()
|
|
|
|
cnt, err := io.ReadAll(res.Body)
|
|
if err != nil {
|
|
return []byte{}, err
|
|
}
|
|
return cnt, nil
|
|
}
|
|
|
|
// sendPostForm is used to send an "application/x-www-form-urlencoded" through an HTTP POST request.
|
|
func sendPostForm(reqURL string, keyVals map[string]string) ([]byte, error) {
|
|
var form = make(url.Values)
|
|
|
|
for k, v := range keyVals {
|
|
form.Add(k, v)
|
|
}
|
|
|
|
request, err := http.NewRequest("POST", reqURL, strings.NewReader(form.Encode()))
|
|
if err != nil {
|
|
return []byte{}, err
|
|
}
|
|
request.PostForm = form
|
|
request.Header.Add("Content-Type", "application/x-www-form-urlencoded")
|
|
|
|
var client http.Client
|
|
|
|
response, err := client.Do(request)
|
|
if err != nil {
|
|
return []byte{}, err
|
|
}
|
|
defer response.Body.Close()
|
|
|
|
content, err := io.ReadAll(response.Body)
|
|
if err != nil {
|
|
return []byte{}, err
|
|
}
|
|
|
|
return content, nil
|
|
}
|