From eef9c1870b36bcdbffa6a6c37d95446c833e7e76 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thorben=20G=C3=BCnther?= <admin@xenrox.net>
Date: Thu, 8 Jul 2021 20:50:59 +0200
Subject: [PATCH] client: Implement HTTP client with basic auth and GET request

---
 mailman/mailman_client.go | 71 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 mailman/mailman_client.go

diff --git a/mailman/mailman_client.go b/mailman/mailman_client.go
new file mode 100644
index 0000000..3014ab1
--- /dev/null
+++ b/mailman/mailman_client.go
@@ -0,0 +1,71 @@
+package mailman
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"time"
+)
+
+type Client struct {
+	baseURL     string
+	httpClient  *http.Client
+	credentials *ClientCredentials
+}
+
+type ClientCredentials struct {
+	Username string
+	Password string
+}
+
+func NewMailmanCLient(url string, username string, password string) (*Client, error) {
+	httpClient := &http.Client{
+		Timeout: time.Second * 3,
+	}
+
+	clientCredentials := &ClientCredentials{
+		Username: username,
+		Password: password,
+	}
+
+	client := Client{
+		baseURL:     url,
+		httpClient:  httpClient,
+		credentials: clientCredentials,
+	}
+
+	return &client, nil
+}
+
+func (client *Client) get(path string, resource interface{}) error {
+	resourceURL := client.baseURL + path
+
+	req, err := http.NewRequest(http.MethodGet, resourceURL, nil)
+	if err != nil {
+		return nil
+	}
+
+	req.SetBasicAuth(client.credentials.Username, client.credentials.Password)
+	resp, err := client.httpClient.Do(req)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode > 400 {
+		return fmt.Errorf("API error code: %d", resp.StatusCode)
+	}
+
+	responseBody, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return err
+	}
+
+	err = json.Unmarshal(responseBody, &resource)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
-- 
2.44.0