mirror of
https://gitee.com/rainbond/Rainbond.git
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39 lines
1.3 KiB
Go
39 lines
1.3 KiB
Go
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// RAINBOND, Application Management Platform
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// Copyright (C) 2014-2017 Goodrain Co., Ltd.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version. For any non-GPL usage of Rainbond,
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// one or multiple Commercial Licenses authorized by Goodrain Co., Ltd.
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// must be obtained first.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package middleware
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import (
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"context"
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"net/http"
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)
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//APIVersion api版本
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func APIVersion(next http.Handler) http.Handler {
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fn := func(w http.ResponseWriter, r *http.Request) {
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apiVersion := r.Header.Get("API_VERSION")
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if apiVersion == "" {
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apiVersion = "default"
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}
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ctx := context.WithValue(r.Context(), ContextKey("api_version"), apiVersion)
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next.ServeHTTP(w, r.WithContext(ctx))
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}
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return http.HandlerFunc(fn)
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}
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