Add TLSConfig to nctalk (#1195)

Signed-off-by: Gary Kim <gary@garykim.dev>

vendor/github.com/monaco-io/request/build.go

@@ -0,0 +1,98 @@
+package request
+
+import (
+	"bytes"
+	"net/http"
+	"net/http/cookiejar"
+	"net/url"
+	"time"
+)
+
+// TODO: func unit test coverage
+func (c *Client) buildRequest() (err error) {
+	if err = c.applyRequest(); err != nil {
+		return
+	}
+
+	c.transport = &http.Transport{}
+
+	c.applyHTTPHeader()
+	c.applyBasicAuth()
+	c.applyClient()
+	c.applyTimeout()
+	c.applyCookies()
+	c.applyTLSConfig()
+	err = c.applyProxy()
+
+	c.client.Transport = c.transport
+	return
+}
+
+func (c *Client) applyRequest() (err error) {
+	// encode requestURL.httpURL like https://google.com?hello=world&package=request
+	c.requestURL = requestURL{
+		urlString:  c.URL,
+		parameters: c.Params,
+	}
+	if err = c.requestURL.EncodeURL(); err != nil {
+		return
+	}
+	c.req, err = http.NewRequest(c.Method, c.requestURL.string(), bytes.NewReader(c.Body))
+	return
+}
+
+func (c *Client) applyHTTPHeader() {
+	if c.Method == POST {
+		if c.ContentType == emptyString {
+			c.ContentType = ApplicationJSON
+		}
+		c.req.Header.Set(contentType, string(c.ContentType))
+	}
+	for k, v := range c.Header {
+		c.req.Header.Add(k, v)
+	}
+}
+
+func (c *Client) applyBasicAuth() {
+	if c.BasicAuth.Username != emptyString && c.BasicAuth.Password != emptyString {
+		c.req.SetBasicAuth(c.BasicAuth.Username, c.BasicAuth.Password)
+	}
+}
+
+func (c *Client) applyClient() {
+	c.client = &http.Client{}
+}
+
+func (c *Client) applyTimeout() {
+	if c.Timeout > 0 {
+		c.client.Timeout = c.Timeout * time.Second
+	}
+}
+
+func (c *Client) applyCookies() {
+	if c.Cookies != nil {
+		jar, _ := cookiejar.New(nil)
+		jar.SetCookies(&url.URL{Scheme: c.requestURL.scheme(), Host: c.requestURL.host()}, c.Cookies)
+		c.client.Jar = jar
+	}
+}
+
+// TODO: test case
+func (c *Client) applyProxy() (err error) {
+	if c.ProxyURL != emptyString {
+		var proxy *url.URL
+		if proxy, err = url.Parse(c.ProxyURL); err != nil {
+			return
+		} else if proxy != nil {
+			c.transport.Proxy = http.ProxyURL(proxy)
+		}
+	}
+	return
+}
+
+func (c *Client) applyTLSConfig() {
+	// &tls.Config{InsecureSkipVerify: true}
+	if c.TLSConfig != nil {
+		c.transport.TLSClientConfig = c.TLSConfig
+	}
+}