X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;f=goversion%2Finternal%2Frestclient%2Fclient.go;fp=goversion%2Finternal%2Frestclient%2Fclient.go;h=fdd0549ad8a15466760c0d1a09f79eb267e077ef;hb=c78feeaed2f5889816e938328646397ae0e18c71;hp=0000000000000000000000000000000000000000;hpb=46a6d054a6efcae4d249efe79a13bccb1b0252fc;p=nonrtric%2Frapp%2Forufhrecovery.git

diff --git a/goversion/internal/restclient/client.go b/goversion/internal/restclient/client.go
new file mode 100644
index 0000000..fdd0549
--- /dev/null
+++ b/goversion/internal/restclient/client.go
@@ -0,0 +1,132 @@
+// -
+//   ========================LICENSE_START=================================
+//   O-RAN-SC
+//   %%
+//   Copyright (C) 2021: Nordix Foundation
+//   %%
+//   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.
+//   ========================LICENSE_END===================================
+//
+
+package restclient
+
+import (
+	"bytes"
+	"crypto/tls"
+	"fmt"
+	"io"
+	"math"
+	"net/http"
+	"net/url"
+	"time"
+
+	"github.com/hashicorp/go-retryablehttp"
+)
+
+type RequestError struct {
+	StatusCode int
+	Body       []byte
+}
+
+func (e RequestError) Error() string {
+	return fmt.Sprintf("error response with status: %v and body: %v", e.StatusCode, string(e.Body))
+}
+
+// HTTPClient interface
+type HTTPClient interface {
+	Get(url string) (*http.Response, error)
+
+	Do(*http.Request) (*http.Response, error)
+}
+
+func PutWithoutAuth(url string, body []byte, client HTTPClient) error {
+	return do(http.MethodPut, url, body, client)
+}
+
+func Put(url string, body string, client HTTPClient, userName string, password string) error {
+	return do(http.MethodPut, url, []byte(body), client, userName, password)
+}
+
+func Delete(url string, client HTTPClient) error {
+	return do(http.MethodDelete, url, nil, client)
+}
+
+func CreateClientCertificate(certPath string, keyPath string) (tls.Certificate, error) {
+	if cert, err := tls.LoadX509KeyPair(certPath, keyPath); err == nil {
+		return cert, nil
+	} else {
+		return tls.Certificate{}, fmt.Errorf("cannot create x509 keypair from cert file %s and key file %s due to: %v", certPath, keyPath, err)
+	}
+}
+
+func CreateRetryClient(cert tls.Certificate) *http.Client {
+	rawRetryClient := retryablehttp.NewClient()
+	rawRetryClient.RetryWaitMax = time.Minute
+	rawRetryClient.RetryMax = math.MaxInt
+	rawRetryClient.HTTPClient.Transport = getSecureTransportWithoutVerify(cert)
+
+	client := rawRetryClient.StandardClient()
+	return client
+}
+
+func IsUrlSecure(configUrl string) bool {
+	u, _ := url.Parse(configUrl)
+	return u.Scheme == "https"
+}
+
+func getSecureTransportWithoutVerify(cert tls.Certificate) *http.Transport {
+	return &http.Transport{
+		TLSClientConfig: &tls.Config{
+			Certificates: []tls.Certificate{
+				cert,
+			},
+			InsecureSkipVerify: true,
+		},
+	}
+}
+
+func do(method string, url string, body []byte, client HTTPClient, userInfo ...string) error {
+	if req, reqErr := http.NewRequest(method, url, bytes.NewBuffer(body)); reqErr == nil {
+		if body != nil {
+			req.Header.Set("Content-Type", "application/json; charset=utf-8")
+		}
+		if len(userInfo) > 0 {
+			req.SetBasicAuth(userInfo[0], userInfo[1])
+		}
+		if response, respErr := client.Do(req); respErr == nil {
+			if isResponseSuccess(response.StatusCode) {
+				return nil
+			} else {
+				return getResponseError(response)
+			}
+		} else {
+			return respErr
+		}
+	} else {
+		return reqErr
+	}
+}
+
+func isResponseSuccess(statusCode int) bool {
+	return statusCode >= http.StatusOK && statusCode <= 299
+}
+
+func getResponseError(response *http.Response) RequestError {
+	defer response.Body.Close()
+	responseData, _ := io.ReadAll(response.Body)
+	putError := RequestError{
+		StatusCode: response.StatusCode,
+		Body:       responseData,
+	}
+	return putError
+}