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token.go
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token.go
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// Copyright (C) 2014-2018 Wutong Co., Ltd.
// WUTONG, Application Management Platform
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version. For any non-GPL usage of Wutong,
// one or multiple Commercial Licenses authorized by Wutong Co., Ltd.
// must be obtained first.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package middleware
import (
"encoding/base64"
"io"
"net/http"
"os"
"strings"
"github.com/wutong-paas/wutong/api/util"
)
// Token 简单token验证
func Token(next http.Handler) http.Handler {
fn := func(w http.ResponseWriter, r *http.Request) {
if strings.HasPrefix(r.RequestURI, "/docs") {
auth := r.Header.Get("Authorization")
if auth == "" {
w.Header().Set("WWW-Authenticate", `Basic realm="Dotcoo User Login"`)
w.WriteHeader(http.StatusUnauthorized)
return
}
auths := strings.SplitN(auth, " ", 2)
if len(auths) != 2 {
return
}
authMethod := auths[0]
authB64 := auths[1]
switch authMethod {
case "Basic":
authstr, err := base64.StdEncoding.DecodeString(authB64)
if err != nil {
io.WriteString(w, "Unauthorized!\n")
return
}
userPwd := strings.SplitN(string(authstr), ":", 2)
if len(userPwd) != 2 {
io.WriteString(w, "Unauthorized!\n")
return
}
username := userPwd[0]
password := userPwd[1]
if username == "wutong" && password == "wutong-api-test" {
next.ServeHTTP(w, r)
return
}
default:
io.WriteString(w, "Unauthorized!\n")
return
}
w.Header().Set("WWW-Authenticate", `Basic realm="Dotcoo User Login"`)
w.WriteHeader(http.StatusUnauthorized)
return
}
token := os.Getenv("TOKEN")
t := r.Header.Get("Authorization")
if tt := strings.Split(t, " "); len(tt) == 2 {
if tt[1] == token {
next.ServeHTTP(w, r)
return
}
}
util.CloseRequest(r)
w.WriteHeader(http.StatusUnauthorized)
}
return http.HandlerFunc(fn)
}