httpheader头部适应gzip

src/handler/proxyhandler.go

@@ -2,7 +2,9 @@ package handler
 
 import (
 	"bytes"
+	"compress/gzip"
 	"encoding/json"
+	"errors"
 	"github.com/gin-gonic/gin"
 	"github.com/vulcand/oxy/forward"
 	"github.com/vulcand/oxy/testutils"
@@ -14,7 +16,7 @@ import (
 	"strings"
 )
 
-var Resp *http.Response
+//var Resp *http.Response
 
 func Proxy(c *gin.Context) {
 	applyId := c.Param("applyId")
@@ -31,16 +33,24 @@ func Proxy(c *gin.Context) {
 		c.Error(err)
 		return
 	}
+	if proxyData.Second_level != 1 {
+		res := model.WebRes{}
+		res.ErrMsg = `服务申请未通过审批，请联系组织管理员或超管审批`
+		c.JSON(200, res)
+		return
+	}
 	f, _ := forward.New(forward.PassHostHeader(true), forward.ResponseModifier(func(resp *http.Response) error {
-		Resp = resp
+		//Resp = resp
 		//判断是否超过调用次数是否可以调用
 		callflag, sensitiveflag, err := service.QueryCallsCount(proxyData)
 		if err != nil {
-			Return(err.Error())
+			//Return(err.Error())
 			return nil
 		}
+		//callflag = false
 		if callflag == false {
-			Return(`调用达到当日限定次数`)
+			err = errors.New(`调用达到当日限定次数`)
+			Return(nil, err, resp)
 			return nil
 		}
 		respbody, _ := ioutil.ReadAll(resp.Body)
@@ -58,31 +68,37 @@ func Proxy(c *gin.Context) {
 		//err = service.CallCounts(proxyData)
 		err = service.CallCounts(proxyData)
 		if err != nil {
-			Return(err.Error())
+			Return(nil, err, resp)
 			return nil
 		}
 		////申请调用计次
 		err = service.ApplyCallCounts(proxyData)
 		if err != nil {
-			Return(err.Error())
+			Return(nil, err, resp)
 			return nil
 		}
-		Return(res)
+		Return(res, nil, resp)
 		return nil
 	}))
-	c.Request.URL = testutils.ParseURI(getProxyURL(proxyData.RealUrl, c.Request))
+	c.Request.URL = testutils.ParseURI(getProxyURL(proxyData, c.Request))
 	c.Request.RequestURI = getRequestURI(c.Request)
 	c.Request.Host = getHost(proxyData.RealUrl)
 	f.ServeHTTP(c.Writer, c.Request)
 }
 
-func getProxyURL(realPath string, req *http.Request) string {
+func getProxyURL(proxyData model.ProxyData, req *http.Request) string {
+	realPath := proxyData.RealUrl
 	rawQuery := req.URL.RawQuery
 	var result = ""
 	if rawQuery == "" {
+		if proxyData.Name == "时空服务" {
 			result = realPath + "?f=json"
+		}
 	} else {
 		result = realPath + "?" + rawQuery
+		if proxyData.Name == "时空服务" && !strings.Contains(rawQuery, "f=json") {
+			result = result + "&f=json"
+		}
 	}
 	return result
 }
@@ -99,26 +115,36 @@ func getRequestURI(req *http.Request) string {
 	return result
 }
 
-func Return(res interface{}) {
-
+func Return(res interface{}, err error, Resp *http.Response) {
 	var b []byte
-
+	if err == nil {
 		switch res.(type) {
 		case []byte:
 			b = res.([]byte)
 		case interface{}:
 			b, _ = json.Marshal(res)
-	}
 
+		}
+	} else {
+		if Resp.Header.Get("Content-Encoding") == "gzip" {
+			b = []byte(err.Error())
+			b = gzipCompress(&b)
+		}
+	}
 	Resp.Header.Set("X-Log-By", "Apaas")
-
-	l := strconv.Itoa(len(b))
-
-	Resp.Header.Set("Content-Length", l)
-
+	Resp.Header.Set("Content-Length", strconv.Itoa(len(b)))
 	Resp.Body = ioutil.NopCloser(bytes.NewBuffer(b))
 }
 
+func gzipCompress(content *[]byte) []byte {
+	var compressData bytes.Buffer
+	gzipWriter := gzip.NewWriter(&compressData)
+	defer gzipWriter.Close()
+	gzipWriter.Write(*content)
+	gzipWriter.Flush()
+	return compressData.Bytes()
+}
+
 // 获取域名
 func getHost(url string) (path string) {
 	if strings.Contains(url, "//") {

src/model/response.go

@@ -11,6 +11,7 @@ type ProxyData struct {
 	User_id            string `json:"user_id" xorm:"user_id"`
 	Data_service_type1 int    `json:"data_service_type1" xorm:"data_service_type1"`
 	Name               string `json:"name"`
+	Second_level       int    `json:"second_level"xorm:"second_level"`
 }
 
 type WebRes struct {

src/service/field.go

@@ -386,7 +386,7 @@ func GetRealPath(applyId string) (res model.ProxyData, err error) {
 	}
 	has, err := db.
 		Select(`service_apply.res_fields as res_fields,service.req_url as req_url,service_request_spcs.count as count,service_safe_config.sensituve_word as sensituve_word
-,service_request_spcs.sensitive_count as sensitive_count,service_apply.service_id as service_id,service_apply.id as apply_id,service_apply.user_id as user_id,service.data_service_type1,domains.name`).
+,service_request_spcs.sensitive_count as sensitive_count,service_apply.service_id as service_id,service_apply.id as apply_id,service_apply.user_id as user_id,service.data_service_type1,domains.name,service_apply.second_level`).
 		Table(`service`).
 		Join(`inner`, `service_apply`, `service_apply.service_id = service.id`).
 		Join(`left`, `service_request_spcs`, `service_request_spcs.id = service_apply.request_spcs_id`).