Merge pull request #124 from ioito/hotfix/qx-request-ip

fix(netutils): get request ip

util/netutils/http.go

@@ -0,0 +1,40 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package netutils
+
+import (
+	"net/http"
+	"strings"
+)
+
+func GetHttpRequestIp(r *http.Request) string {
+	ipStr := r.Header.Get("X-Forwarded-For")
+	if len(ipStr) > 0 {
+		ipList := strings.Split(ipStr, ",")
+		if len(ipList) > 0 {
+			return ipList[0]
+		}
+	}
+	ipStr = r.Header.Get("X-Real-Ip")
+	if len(ipStr) > 0 {
+		return ipStr
+	}
+	ipStr = r.RemoteAddr
+	colonPos := strings.Index(ipStr, ":")
+	if colonPos > 0 {
+		ipStr = ipStr[:colonPos]
+	}
+	return ipStr
+}