mirror of
https://github.com/dutchcoders/transfer.sh.git
synced 2020-11-18 19:53:40 -08:00
103 lines
2.7 KiB
Go
103 lines
2.7 KiB
Go
// Copyright 2015 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package har
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import (
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"encoding/json"
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"net/http"
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"net/url"
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"strconv"
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"github.com/google/martian/log"
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)
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type exportHandler struct {
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logger *Logger
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}
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type resetHandler struct {
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logger *Logger
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}
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// NewExportHandler returns an http.Handler for requesting HAR logs.
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func NewExportHandler(l *Logger) http.Handler {
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return &exportHandler{
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logger: l,
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}
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}
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// NewResetHandler returns an http.Handler for clearing in-memory log entries.
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func NewResetHandler(l *Logger) http.Handler {
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return &resetHandler{
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logger: l,
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}
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}
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// ServeHTTP writes the log in HAR format to the response body.
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func (h *exportHandler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
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if req.Method != "GET" {
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rw.Header().Add("Allow", "GET")
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rw.WriteHeader(http.StatusMethodNotAllowed)
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log.Errorf("har.ServeHTTP: method not allowed: %s", req.Method)
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return
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}
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log.Debugf("exportHandler.ServeHTTP: writing HAR logs to ResponseWriter")
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rw.Header().Set("Content-Type", "application/json; charset=utf-8")
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hl := h.logger.Export()
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json.NewEncoder(rw).Encode(hl)
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}
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// ServeHTTP resets the log, which clears its entries.
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func (h *resetHandler) ServeHTTP(rw http.ResponseWriter, req *http.Request) {
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if !(req.Method == "POST" || req.Method == "DELETE") {
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rw.Header().Add("Allow", "POST")
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rw.Header().Add("Allow", "DELETE")
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rw.WriteHeader(http.StatusMethodNotAllowed)
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log.Errorf("har: method not allowed: %s", req.Method)
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return
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}
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v, err := parseBoolQueryParam(req.URL.Query(), "return")
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if err != nil {
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log.Errorf("har: invalid value for return param: %s", err)
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rw.WriteHeader(http.StatusBadRequest)
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return
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}
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if v {
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rw.Header().Set("Content-Type", "application/json; charset=utf-8")
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hl := h.logger.ExportAndReset()
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json.NewEncoder(rw).Encode(hl)
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} else {
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h.logger.Reset()
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rw.WriteHeader(http.StatusNoContent)
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}
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log.Infof("resetHandler.ServeHTTP: HAR logs cleared")
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}
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func parseBoolQueryParam(params url.Values, name string) (bool, error) {
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if params[name] == nil {
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return false, nil
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}
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v, err := strconv.ParseBool(params.Get("return"))
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if err != nil {
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return false, err
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}
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return v, nil
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}
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