新增格式转换插件，新增http日志变量，调整json输出请求日志格式

drivers/plugins/data-transform/executor.go

@@ -0,0 +1,111 @@
+package data_transform
+
+import (
+	"mime"
+	"net/http"
+	"strings"
+
+	"github.com/eolinker/eosc/log"
+
+	"github.com/eolinker/apinto/drivers"
+
+	"github.com/eolinker/eosc"
+	"github.com/eolinker/eosc/eocontext"
+	http_service "github.com/eolinker/eosc/eocontext/http-context"
+)
+
+var _ http_service.HttpFilter = (*executor)(nil)
+var _ eocontext.IFilter = (*executor)(nil)
+
+type executor struct {
+	drivers.WorkerBase
+	conf *Config
+}
+
+func (b *executor) DoFilter(ctx eocontext.EoContext, next eocontext.IChain) (err error) {
+	return http_service.DoHttpFilter(b, ctx, next)
+}
+
+func (b *executor) DoHttpFilter(ctx http_service.IHttpContext, next eocontext.IChain) error {
+	if b.conf.RequestTransform && (ctx.Proxy().Method() == http.MethodPost || ctx.Proxy().Method() == http.MethodPut || ctx.Proxy().Method() == http.MethodPatch) {
+		// 对请求体做转换
+		body, _ := ctx.Proxy().Body().RawBody()
+		contentType, _, _ := mime.ParseMediaType(ctx.Request().ContentType())
+		if strings.Contains(contentType, "/json") {
+			result, err := json2xml(body, b.conf.XMLRootTag, b.conf.XMLDeclaration)
+			if err != nil {
+				errInfo := "fail to transform request json to xml"
+				ctx.Response().SetStatus(http.StatusBadRequest, "400")
+				ctx.Response().SetBody([]byte(encode(b.conf.ErrorType, errInfo, http.StatusBadRequest)))
+				log.Errorf("%s,body is %s", errInfo, string(body))
+				return err
+			}
+			ctx.Proxy().Body().SetRaw("application/xml", result)
+		} else if strings.Contains(contentType, "/xml") {
+			result, err := xml2json(body, b.conf.XMLDeclaration)
+			if err != nil {
+				errInfo := "fail to transform request xml to json"
+				ctx.Response().SetStatus(http.StatusBadRequest, "400")
+				ctx.Response().SetBody([]byte(encode(b.conf.ErrorType, errInfo, http.StatusBadRequest)))
+				log.Errorf("%s,body is %s", errInfo, string(body))
+				return err
+			}
+			ctx.Proxy().Body().SetRaw("application/json", result)
+		}
+	}
+	err := next.DoChain(ctx)
+	if err != nil {
+		return err
+	}
+	if b.conf.ResponseTransform {
+		// 对请求体做转换
+		body := ctx.Response().GetBody()
+		contentType, _, _ := mime.ParseMediaType(ctx.Response().ContentType())
+		if strings.Contains(contentType, "/json") {
+			result, err := json2xml(body, b.conf.XMLRootTag, b.conf.XMLDeclaration)
+			if err != nil {
+				errInfo := "fail to transform response json to xml"
+				ctx.Response().SetStatus(http.StatusBadRequest, "400")
+				ctx.Response().SetBody([]byte(encode(b.conf.ErrorType, errInfo, http.StatusBadRequest)))
+				log.Errorf("%s,body is %s", errInfo, string(body))
+				return err
+			}
+			ctx.Response().SetBody(result)
+			ctx.Response().Headers().Set("Content-Type", "application/xml")
+		} else if strings.Contains(contentType, "/xml") {
+			result, err := xml2json(body, b.conf.XMLDeclaration)
+			if err != nil {
+				errInfo := "fail to transform response xml to json"
+				ctx.Response().SetStatus(http.StatusBadRequest, "400")
+				ctx.Response().SetBody([]byte(encode(b.conf.ErrorType, errInfo, http.StatusBadRequest)))
+				log.Errorf("%s,body is %s", errInfo, string(body))
+				return err
+			}
+			ctx.Response().SetBody(result)
+			ctx.Response().Headers().Set("Content-Type", "application/json")
+		}
+	}
+	return nil
+}
+
+func (b *executor) Start() error {
+	return nil
+}
+
+func (b *executor) Reset(conf interface{}, workers map[eosc.RequireId]eosc.IWorker) error {
+	return nil
+}
+
+func (b *executor) Stop() error {
+	b.Destroy()
+	return nil
+}
+
+func (b *executor) Destroy() {
+	b.conf = nil
+	return
+}
+
+func (b *executor) CheckSkill(skill string) bool {
+	return http_service.FilterSkillName == skill
+}