some deletions

[dotfiles/.git] / .config / coc / extensions / coc-go-data / tools / pkg / mod / golang.org / x / tools@v0.0.0-20201028153306-37f0764111ff / playground / playground.go

diff --git a/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201028153306-37f0764111ff/playground/playground.go b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201028153306-37f0764111ff/playground/playground.go
deleted file mode 100644 (file)
index 14e9841..0000000
--- a/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/tools@v0.0.0-20201028153306-37f0764111ff/playground/playground.go
+++ /dev/null
@@ -1,90 +0,0 @@
-// Copyright 2013 The Go Authors.  All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// Package playground registers HTTP handlers at "/compile" and "/share" that
-// proxy requests to the golang.org playground service.
-// This package may be used unaltered on App Engine Standard with Go 1.11+ runtime.
-package playground // import "golang.org/x/tools/playground"
-
-import (
-       "bytes"
-       "context"
-       "fmt"
-       "io"
-       "log"
-       "net/http"
-       "os"
-       "strings"
-       "time"
-
-       "golang.org/x/tools/godoc/golangorgenv"
-)
-
-const baseURL = "https://play.golang.org"
-
-func init() {
-       http.HandleFunc("/compile", bounce)
-       http.HandleFunc("/share", bounce)
-}
-
-func bounce(w http.ResponseWriter, r *http.Request) {
-       b := new(bytes.Buffer)
-       if err := passThru(b, r); os.IsPermission(err) {
-               http.Error(w, "403 Forbidden", http.StatusForbidden)
-               log.Println(err)
-               return
-       } else if err != nil {
-               http.Error(w, "500 Internal Server Error", http.StatusInternalServerError)
-               log.Println(err)
-               return
-       }
-       io.Copy(w, b)
-}
-
-func passThru(w io.Writer, req *http.Request) error {
-       if req.URL.Path == "/share" && googleCN(req) {
-               return os.ErrPermission
-       }
-       defer req.Body.Close()
-       url := baseURL + req.URL.Path
-       ctx, cancel := context.WithTimeout(req.Context(), 60*time.Second)
-       defer cancel()
-       r, err := post(ctx, url, req.Header.Get("Content-Type"), req.Body)
-       if err != nil {
-               return fmt.Errorf("making POST request: %v", err)
-       }
-       defer r.Body.Close()
-       if _, err := io.Copy(w, r.Body); err != nil {
-               return fmt.Errorf("copying response Body: %v", err)
-       }
-       return nil
-}
-
-func post(ctx context.Context, url, contentType string, body io.Reader) (*http.Response, error) {
-       req, err := http.NewRequest(http.MethodPost, url, body)
-       if err != nil {
-               return nil, fmt.Errorf("http.NewRequest: %v", err)
-       }
-       req.Header.Set("Content-Type", contentType)
-       return http.DefaultClient.Do(req.WithContext(ctx))
-}
-
-// googleCN reports whether request r is considered
-// to be served from golang.google.cn.
-func googleCN(r *http.Request) bool {
-       if r.FormValue("googlecn") != "" {
-               return true
-       }
-       if strings.HasSuffix(r.Host, ".cn") {
-               return true
-       }
-       if !golangorgenv.CheckCountry() {
-               return false
-       }
-       switch r.Header.Get("X-Appengine-Country") {
-       case "", "ZZ", "CN":
-               return true
-       }
-       return false
-}