41 lines
1.0 KiB
Go
41 lines
1.0 KiB
Go
// Copyright 2023 The casbin Authors. 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 util
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import (
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"net"
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"net/http"
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"strings"
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)
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func GetClientIp(r *http.Request) string {
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forwarded := r.Header.Get("X-Forwarded-For")
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if forwarded != "" {
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clientIP := strings.Split(forwarded, ",")[0]
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return strings.TrimSpace(clientIP)
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}
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realIP := r.Header.Get("X-Real-IP")
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if realIP != "" {
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return realIP
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}
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ip, _, err := net.SplitHostPort(r.RemoteAddr)
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if err != nil {
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return r.RemoteAddr
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}
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return ip
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}
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