first commit

pkg/utils/http.go

@@ -0,0 +1,145 @@
+package utils
+
+import (
+	"context"
+	"crypto/sha1"
+	"encoding/base64"
+	"encoding/hex"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"sort"
+	"strings"
+	"time"
+)
+
+// 调用POST请求
+func HttpPost(url string, body string) (remoteResponse string, err error) {
+
+	bodyReader := strings.NewReader(body)
+	//application/x-www-form-urlencoded
+	//application/json
+	_, cancel := context.WithTimeout(context.Background(), 20*time.Second)
+	defer cancel()
+
+	client := &http.Client{
+		Timeout: time.Second * 20, // 设置客户端超时为5秒
+	}
+
+	response, err1 := client.Post(url, "application/x-www-form-urlencoded", bodyReader)
+
+	if err1 != nil {
+		err = err1
+		return
+	}
+	defer response.Body.Close()
+
+	resBody, err2 := ioutil.ReadAll(response.Body)
+
+	if err2 != nil {
+		err = err2
+		return
+	}
+
+	remoteResponse = string(resBody)
+
+	return
+}
+
+// 调用Get请求
+func HttpGet(url string) (remoteResponse string, err error) {
+
+	response, err1 := http.Get(url)
+
+	if err1 != nil {
+		err = err1
+		return
+	}
+	defer response.Body.Close()
+
+	resBody, err2 := ioutil.ReadAll(response.Body)
+
+	if err2 != nil {
+		err = err2
+		return
+	}
+
+	remoteResponse = string(resBody)
+
+	return
+}
+
+// 复杂http请求
+func HttpDo(httpMethod string, url string, headerMap map[string]string, rawBody string) (remoteResponse string, err error) {
+
+	_, cancel := context.WithTimeout(context.Background(), 20*time.Second)
+	defer cancel()
+
+	client := &http.Client{
+		Timeout: time.Second * 20, // 设置客户端超时为5秒
+	}
+
+	req, err0 := http.NewRequest(httpMethod, url, strings.NewReader(rawBody))
+
+	if err0 != nil {
+
+		err = err0
+		return
+	}
+
+	if len(headerMap) > 0 {
+		for k, v := range headerMap {
+			req.Header.Set(k, v)
+		}
+	}
+
+	resp, err1 := client.Do(req)
+
+	if err1 != nil {
+		err = err1
+		return
+	}
+
+	defer resp.Body.Close()
+
+	body, err2 := ioutil.ReadAll(resp.Body)
+	if err2 != nil {
+		err = err2
+		return
+	}
+
+	remoteResponse = string(body)
+
+	return
+
+}
+
+func CreateApiSign(params map[string]string, secret string) string {
+
+	keys := make([]string, 20)
+	for key, _ := range params {
+		if key == "Signature" {
+			continue
+		}
+		keys = append(keys, key)
+	}
+	//按key升序
+	sort.Strings(keys)
+	//把KEY值合并为字符串
+	waitSignString := ""
+	for _, value := range keys {
+		waitSignString += base64.StdEncoding.EncodeToString([]byte(params[value]))
+	}
+	//加上密钥
+	appSecret := secret
+	waitSignString += appSecret
+
+	// log.InfoF("waitSignString: %s", waitSignString)
+	//sha1加密
+	t := sha1.New()
+	io.WriteString(t, waitSignString)
+	sign := t.Sum(nil)
+
+	return hex.EncodeToString(sign)
+
+}