first commit

pkg/net/http/http.go

@@ -0,0 +1,90 @@
+package http
+
+import (
+	"errors"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"time"
+)
+
+const HttpReqTimeout = 20 * time.Second
+
+func HttpGet(url string) ([]byte, error) {
+	resp, err := http.Get(url)
+
+	if nil != resp {
+		defer func() {
+			err := resp.Body.Close()
+			if err != nil {
+			}
+		}()
+	}
+
+	if nil != err {
+		return nil, err
+	}
+
+	return ioutil.ReadAll(resp.Body)
+}
+
+func HTTPPostForm(reqUrl string, headers map[string]string, payload io.Reader) ([]byte, error) {
+	if headers == nil {
+		headers = make(map[string]string)
+	}
+
+	headers["Content-Type"] = "application/x-www-form-urlencoded"
+	return HTTPRequest("POST", reqUrl, headers, payload)
+}
+
+// HTTPPostJSON with json []byte
+func HTTPPostJSON(reqUrl string, headers map[string]string, payload io.Reader) ([]byte, error) {
+	if headers == nil {
+		headers = make(map[string]string)
+	}
+	headers["Content-Type"] = "text/json"
+	return HTTPRequest("POST", reqUrl, headers, payload)
+}
+
+func HTTPRequest(method string, reqUrl string, headers map[string]string, payload io.Reader) ([]byte, error) {
+	req, err := http.NewRequest(method, reqUrl, payload)
+	if err != nil {
+		return nil, errors.New("make http request error: " + err.Error())
+	}
+
+	for k, v := range headers {
+		req.Header.Add(k, v)
+	}
+
+	/*ctx := req.Context()
+	nextCtx, _ := context.WithDeadline(ctx, time.Now().Add(HttpReqTimeout))
+	req.WithContext(nextCtx)*/
+
+	client := &http.Client{
+		Timeout: HttpReqTimeout,
+	}
+	resp, err := client.Do(req)
+	if resp != nil {
+		defer func() {
+			err := resp.Body.Close()
+			if err != nil {
+			}
+		}()
+	}
+
+	if err != nil {
+		return nil, errors.New("do http request error: " + err.Error())
+	}
+
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return nil, errors.New("ready http response error: " + err.Error())
+	}
+
+	if resp.StatusCode != 200 {
+		return body, fmt.Errorf(fmt.Sprintf("HttpStatusCode:%d, Desc:%s", resp.StatusCode, string(body)))
+	}
+
+	return body, nil
+}