Ejemplo n.º 1
0
func (ri *RequestId) Filter(req zerver.Request, resp zerver.Response, chain zerver.FilterChain) {
	if req.Method() == "GET" {
		chain(req, resp)
		return
	}

	reqId := req.Header(ri.HeaderName)
	if reqId == "" {
		if ri.PassingOnNoId {
			chain(req, resp)
		} else {
			resp.ReportBadRequest()
			resp.Send("error", ri.Error)
		}
	} else {
		id := req.RemoteIP() + ":" + reqId
		if err := ri.Store.Save(id); err == ErrRequestIDExist {
			resp.ReportForbidden()
			resp.Send("error", ri.ErrorOverlap)
		} else if err != nil {
			ri.logger.Warnln(err)
		} else {
			chain(req, resp)
			ri.Store.Remove(id)
		}
	}
}
Ejemplo n.º 2
0
func Send(resp zerver.Response, key string, value interface{}, err error) {
	if err != nil {
		SendErr(resp, err)
	} else {
		resp.Send(key, value)
	}
}
Ejemplo n.º 3
0
// Verify xsrf token, used as zerver.FilterFunc
//
// The reason not use "Filter" as function name is to prevent the Xsrf from used as both Component and Filter
func (x *Xsrf) Verify(req zerver.Request, resp zerver.Response, chain zerver.FilterChain) {
	if x.VerifyFor(req) {
		chain(req, resp)
	} else {
		resp.ReportBadRequest()
		resp.Send("error", x.Error)
	}
}
Ejemplo n.º 4
0
// Create xsrf token, used as zerver.HandleFunc
func (x *Xsrf) Create(req zerver.Request, resp zerver.Response) {
	tokBytes, err := x.CreateFor(req)
	if err == nil {
		resp.ReportServiceUnavailable()
		return
	}

	if req.Method() == "POST" {
		resp.ReportCreated()
	}

	defer x.Pool.Put(tokBytes)
	x.logger.Warnln(resp.Send("tokBytes", tokBytes))
}
Ejemplo n.º 5
0
func SendErr(resp zerver.Response, err error) {
	switch err := err.(type) {
	case httperrs.Error:
		resp.ReportStatus(err.Code())
		if err.Code() < int(httperrs.Server) {
			OnErrLog(resp.Send(KeyError, err.Error()))
			return
		}
	default:
		resp.ReportInternalServerError()
	}

	Logger.Errorln(err.Error())
}
Ejemplo n.º 6
0
func (h *Handler) Handle(req zerver.Request, resp zerver.Response) {
	req.Wrap(func(req *http.Request, shouldClose bool) (r *http.Request, c bool) {
		r, c = req, shouldClose

		err := req.ParseMultipartForm(h.MaxMemory)
		if err != nil {
			handle.SendErr(resp, handle.BadRequest(err))
			return
		}

		if req.MultipartForm == nil || req.MultipartForm.File == nil {
			handle.SendErr(resp, h.ErrNoFile)
			return
		}

		files, has := req.MultipartForm.File[h.FileKey]
		if !has || len(files) == 0 {
			handle.SendErr(resp, h.ErrNoFile)
			return
		}

		file := convertFileHandler(files[0])
		if !h.isSuffixSupported(filepath.Ext(file.Filename)) {
			handle.SendErr(resp, h.ErrNonImage)
			return
		}

		if file.Size() > h.MaxSize {
			handle.SendErr(resp, h.ErrTooLarge)
			return
		}

		fd, err := file.Open()
		if err != nil {
			handle.SendErr(resp, handle.BadRequest(err))
			return
		}

		defer fd.Close()
		path, err := h.SaveImage(fd)
		if err != nil {
			handle.SendErr(resp, err)
			return
		}

		resp.Send(h.PathKey, path)
		return
	})
}
Ejemplo n.º 7
0
func SendErr(resp zerver.Response, err error) {
	switch err := errors.Unwrap(err).(type) {
	case httperrs.Error:
		resp.ReportStatus(err.Code())
		if err.Code() < int(httperrs.Server) {
			if err := resp.Send(KeyError, err.Error()); err != nil {
				Logger.Errorln(err.Error())
			}
			return
		}
	default:
		resp.ReportInternalServerError()
	}

	Logger.Errorln(err.Error())
}
Ejemplo n.º 8
0
func SendErr(resp zerver.Response, err error) {
	if err == nil {
		panic("there is no error occurred")
	}
	switch e := errors.Unwrap(err).(type) {
	case httperrs.Error:
		resp.StatusCode(e.Code())
		if e.Code() < int(httperrs.Server) {
			resp.Send(Error{e.Error()})
			return
		}
	default:
		resp.Logger().Error(log.M{"msg": "internal server error", "error": err.Error()})
		resp.StatusCode(http.StatusInternalServerError)
	}
}
Ejemplo n.º 9
0
// Create xsrf token, used as zerver.HandleFunc
func (x *Xsrf) Create(req zerver.Request, resp zerver.Response) {
	tokBytes, err := x.CreateFor(req)
	if err == nil {
		resp.StatusCode(http.StatusServiceUnavailable)
		return
	}

	if req.ReqMethod() == "POST" {
		resp.StatusCode(http.StatusCreated)
	}

	defer x.Pool.Put(tokBytes)
	err = resp.Send(Token{string(tokBytes)})
	if err != nil {
		x.log.Error(log.M{"msg": "send xsrf token", "err": err.Error()})
	}
}
Ejemplo n.º 10
0
func (j JSONP) Filter(req zerver.Request, resp zerver.Response, chain zerver.FilterChain) {
	if req.Method() != "GET" {
		chain(req, resp)
		return
	}

	res, _ := req.ResourceMaster().Resource(resource.RES_JSON)
	if res == nil {
		resp.ReportNotAcceptable()
		return
	}

	callback := req.Param(string(j))
	if callback == "" {
		resp.ReportBadRequest()
		resp.Send("error", "no callback function")
		return
	}

	resp.SetContentType(resource.RES_JSON, res)
	_, err := resp.WriteString(callback)
	if err != nil {
		goto ERROR
	}
	_, err = resp.WriteString("(")
	if err != nil {
		goto ERROR
	}
	chain(req, resp)
	_, err = resp.WriteString(")")
	if err == nil {
		return
	}
ERROR:
	req.Logger().Warnln(err)
}
Ejemplo n.º 11
0
func (h *Handler) Handle(req zerver.Request, resp zerver.Response) {
	req.Wrap(func(requ *http.Request, shouldClose bool) (r *http.Request, c bool) {
		r, c = requ, shouldClose

		err := requ.ParseMultipartForm(h.MaxMemory)
		if err != nil {
			handle.SendBadRequest(resp, err)
			return
		}

		if requ.MultipartForm == nil || requ.MultipartForm.File == nil {
			handle.SendErr(resp, h.ErrNoFile)
			return
		}

		files, has := requ.MultipartForm.File[h.FileKey]
		if !has || len(files) == 0 {
			handle.SendErr(resp, h.ErrNoFile)
			return
		}

		if len(h.Params) > 0 {
			for _, param := range h.Params {
				if vals := requ.MultipartForm.Value[param]; len(vals) != 0 {
					req.SetAttr(param, vals[0])
				}
			}
		}
		if h.PreChecker != nil {
			if err = h.PreChecker(req); err != nil {
				handle.SendErr(resp, err)
				return
			}
		}

		file := convertFileHandler(files[0])
		if !h.isSuffixSupported(filepath.Ext(file.Filename)) {
			handle.SendErr(resp, h.ErrNonImage)
			return
		}

		if file.Size() > h.MaxSize {
			handle.SendErr(resp, h.ErrTooLarge)
			return
		}

		fd, err := file.Open()
		if err != nil {
			handle.SendBadRequest(resp, err)
			return
		}

		defer fd.Close()

		h.logger.Debugf("upload file: %s, size: %s\n", fd.Filename(), bytesize.ToHuman(uint64(fd.Size())))
		path, err := h.SaveImage(fd, req)
		if err != nil {
			handle.SendErr(resp, err)
			return
		}

		if h.PostDo != nil {
			err := h.PostDo(req)
			if err != nil {
				h.logger.Warnln("PostDo", err)
			}
		}

		resp.SetContentType(resource.RES_JSON, nil)
		resp.Send(h.PathKey, path)
		return
	})
}
Ejemplo n.º 12
0
func (h *Handler) Handle(req zerver.Request, resp zerver.Response) {
	req.Wrap(func(requ *http.Request, shouldClose bool) (r *http.Request, c bool) {
		r, c = requ, shouldClose

		err := requ.ParseMultipartForm(h.MaxMemory)
		if err != nil {
			handle.SendBadRequest(resp, err)
			return
		}

		if requ.MultipartForm == nil || requ.MultipartForm.File == nil {
			handle.SendErr(resp, h.ErrNoFile)
			return
		}

		files, has := requ.MultipartForm.File[h.FileKey]
		if !has || len(files) == 0 {
			handle.SendErr(resp, h.ErrNoFile)
			return
		}

		if len(h.Params) > 0 {
			for _, param := range h.Params {
				if vals := requ.MultipartForm.Value[param]; len(vals) != 0 {
					req.SetAttr(param, vals[0])
				}
			}
		}
		if h.PreChecker != nil {
			if err = h.PreChecker(req); err != nil {
				handle.SendErr(resp, err)
				return
			}
		}

		file := convertFileHandler(files[0])
		if !h.isSuffixSupported(filepath.Ext(file.Filename)) {
			handle.SendErr(resp, h.ErrNonImage)
			return
		}

		if file.Size() > h.MaxSize {
			handle.SendErr(resp, h.ErrTooLarge)
			return
		}

		fd, err := file.Open()
		if err != nil {
			handle.SendBadRequest(resp, err)
			return
		}
		defer fd.Close()

		if h.log.IsDebugEnable() {
			h.log.Debug(log.M{"msg": "file upload", "filename": fd.Filename(), "bytes": fd.Size()})
		}

		path, err := h.SaveImage(fd, req)
		if err != nil {
			handle.SendErr(resp, err)
			return
		}

		if h.PostDo != nil {
			err := h.PostDo(req)
			if err != nil {
				h.log.Warn(log.M{"msg": "call post do failed", "err": err.Error()})
			}
		}

		resp.Send(Path{path})
		return
	})
}