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-rw-r--r--src/main/java/org/traccar/helper/WebHelper.java65
1 files changed, 65 insertions, 0 deletions
diff --git a/src/main/java/org/traccar/helper/WebHelper.java b/src/main/java/org/traccar/helper/WebHelper.java
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+++ b/src/main/java/org/traccar/helper/WebHelper.java
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+/*
+ * Copyright 2020 Anton Tananaev (anton@traccar.org)
+ *
+ * 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 org.traccar.helper;
+
+import java.net.InetAddress;
+import java.net.UnknownHostException;
+
+import javax.servlet.http.HttpServletRequest;
+
+import org.eclipse.jetty.util.URIUtil;
+import org.traccar.config.Config;
+import org.traccar.config.Keys;
+
+public final class WebHelper {
+
+ private WebHelper() {
+ }
+
+ public static String retrieveRemoteAddress(HttpServletRequest request) {
+
+ if (request != null) {
+ String remoteAddress = request.getHeader("X-FORWARDED-FOR");
+
+ if (remoteAddress != null && !remoteAddress.isEmpty()) {
+ int separatorIndex = remoteAddress.indexOf(",");
+ if (separatorIndex > 0) {
+ return remoteAddress.substring(0, separatorIndex); // remove the additional data
+ } else {
+ return remoteAddress;
+ }
+ } else {
+ return request.getRemoteAddr();
+ }
+ } else {
+ return null;
+ }
+ }
+
+ public static String retrieveWebUrl(Config config) {
+ if (config.hasKey(Keys.WEB_URL)) {
+ return config.getString(Keys.WEB_URL).replaceAll("/$", "");
+ } else {
+ String address;
+ try {
+ address = config.getString(Keys.WEB_ADDRESS, InetAddress.getLocalHost().getHostAddress());
+ } catch (UnknownHostException e) {
+ address = "localhost";
+ }
+ return URIUtil.newURI("http", address, config.getInteger(Keys.WEB_PORT), "", "");
+ }
+ }
+}