2 // ========================LICENSE_START=================================
5 // Copyright (C) 2021: Nordix Foundation
7 // Licensed under the Apache License, Version 2.0 (the "License");
8 // you may not use this file except in compliance with the License.
9 // You may obtain a copy of the License at
11 // http://www.apache.org/licenses/LICENSE-2.0
13 // Unless required by applicable law or agreed to in writing, software
14 // distributed under the License is distributed on an "AS IS" BASIS,
15 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 // See the License for the specific language governing permissions and
17 // limitations under the License.
18 // ========================LICENSE_END===================================
30 // HTTPClient interface
31 type HTTPClient interface {
32 Get(url string) (*http.Response, error)
34 Do(*http.Request) (*http.Response, error)
37 type RequestError struct {
42 func (pe RequestError) Error() string {
43 return fmt.Sprintf("Request failed due to error response with status: %v and body: %v", pe.StatusCode, string(pe.Body))
46 func Get(url string, client HTTPClient) ([]byte, error) {
47 if response, err := client.Get(url); err == nil {
48 if isResponseSuccess(response.StatusCode) {
49 defer response.Body.Close()
50 if responseData, err := io.ReadAll(response.Body); err == nil {
51 return responseData, nil
56 return nil, getRequestError(response)
63 func Put(url string, body []byte, client HTTPClient) error {
64 return do(http.MethodPut, url, body, client)
67 func Post(url string, body []byte, client HTTPClient) error {
68 return do(http.MethodPost, url, body, client)
71 func do(method string, url string, body []byte, client HTTPClient) error {
72 if req, reqErr := http.NewRequest(method, url, bytes.NewBuffer(body)); reqErr == nil {
73 req.Header.Set("Content-Type", "application/json")
74 if response, respErr := client.Do(req); respErr == nil {
75 if isResponseSuccess(response.StatusCode) {
78 return getRequestError(response)
88 func isResponseSuccess(statusCode int) bool {
89 return statusCode >= http.StatusOK && statusCode <= 299
92 func getRequestError(response *http.Response) RequestError {
93 defer response.Body.Close()
94 responseData, _ := io.ReadAll(response.Body)
95 putError := RequestError{
96 StatusCode: response.StatusCode,