go-common/app/tool/grpc-http-proxy/http.go
2019-04-22 18:49:16 +08:00

75 lines
1.8 KiB
Go

package main
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"net/url"
"strings"
"go-common/library/ecode"
bm "go-common/library/net/http/blademaster"
)
var jsonFormat = "application/json; charset=utf-8"
func splitURL(url string) (addr, path string, err error) {
arrs := strings.Split(url, "/")
if len(arrs) < 3 {
err = ecode.RequestErr
return
}
addr = arrs[1]
path = fmt.Sprintf("/%s", strings.Join(arrs[2:], "/"))
return
}
func formatRequest(req url.Values) (res map[string]interface{}) {
res = map[string]interface{}{}
for k, v := range req {
value := v[0]
res[k] = value
// 支持数组
if len(value) > 2 && value[0] == '[' && value[len(value)-1] == ']' {
value = value[1 : len(value)-1]
res[k] = strings.Split(value, ",")
}
}
return
}
func handle(c *bm.Context) {
addr, path, err := splitURL(c.Request.URL.Path)
if err != nil {
c.JSON(nil, ecode.RequestErr)
return
}
var body []byte
body, _ = ioutil.ReadAll(c.Request.Body)
if len(body) == 0 || string(body) == "{}" {
data := formatRequest(c.Request.Form)
body, err = json.Marshal(data)
if err != nil {
c.JSONMap(map[string]interface{}{"message": err.Error()}, err)
return
}
}
resp, err := callGrpc(addr, path, body)
if err != nil {
var intro string
if strings.Contains(err.Error(), "error unmarshalling request") {
intro = "由于params都是string没有类型信息 如果含有int/int32等类型 请复制\"请求数据\"到body中 并修改请求的字段类型, 注意Content-Type 不能为 multipart/form-data 不然body无效 还有问题@wangxu01"
}
c.JSONMap(map[string]interface{}{
"错误": err.Error(),
"请求目标": addr,
"请求方法": path,
"请求数据": string(body),
"额外说明": intro,
}, err)
return
}
c.Bytes(http.StatusOK, jsonFormat, resp)
}