mirror of
https://github.com/ethereum/go-ethereum.git
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74 lines
2.4 KiB
Go
74 lines
2.4 KiB
Go
// The MIT License (MIT)
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//
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// Copyright (c) 2016 Muhammed Thanish
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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package graphql
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//go:generate go-bindata -nometadata -o assets.go -prefix assets -nocompress -pkg graphql assets/...
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//go:generate gofmt -w -s -l assets.go
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import (
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"bytes"
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"fmt"
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"github.com/ethereum/go-ethereum/log"
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"net/http"
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"strings"
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)
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// GraphiQL is an in-browser IDE for exploring GraphiQL APIs.
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// This handler returns GraphiQL when requested.
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//
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// For more information, see https://github.com/graphql/graphiql.
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type GraphiQL struct{}
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func respond(w http.ResponseWriter, body []byte, code int) {
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w.Header().Set("Content-Type", "application/json; charset=utf-8")
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w.Header().Set("X-Content-Type-Options", "nosniff")
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w.WriteHeader(code)
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_, _ = w.Write(body)
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}
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func errorJSON(msg string) []byte {
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buf := bytes.Buffer{}
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fmt.Fprintf(&buf, `{"error": "%s"}`, msg)
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return buf.Bytes()
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}
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func (h GraphiQL) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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if r.Method != "GET" {
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respond(w, errorJSON("only GET requests are supported"), http.StatusMethodNotAllowed)
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return
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}
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path := r.URL.String()
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if path == "/" {
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path = "/index.html"
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}
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blob, err := Asset(path[1:])
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if err != nil {
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log.Warn("Failed to load the asset", "path", path, "err", err)
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http.Error(w, "not found", http.StatusNotFound)
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return
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}
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if strings.HasSuffix(path, ".css") {
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w.Header().Add("Content-Type", "text/css")
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}
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_, _ = w.Write(blob)
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}
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