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41 changes: 41 additions & 0 deletions
41
ltsvr/src/main/java/cn/lanthing/svr/service/RedirectService.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| /* | ||
| * BSD 3-Clause License | ||
| * | ||
| * Copyright (c) 2024 Zhennan Tu <zhennan.tu@gmail.com> | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions are met: | ||
| * | ||
| * 1. Redistributions of source code must retain the above copyright notice, this | ||
| * list of conditions and the following disclaimer. | ||
| * | ||
| * 2. Redistributions in binary form must reproduce the above copyright notice, | ||
| * this list of conditions and the following disclaimer in the documentation | ||
| * and/or other materials provided with the distribution. | ||
| * | ||
| * 3. Neither the name of the copyright holder nor the names of its | ||
| * contributors may be used to endorse or promote products derived from | ||
| * this software without specific prior written permission. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
| * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE | ||
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | ||
| * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | ||
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | ||
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| */ | ||
|
|
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| package cn.lanthing.svr.service; | ||
|
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| public interface RedirectService { | ||
|
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| record RedirectedAddress(String host, int port) {} | ||
|
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| RedirectedAddress redirectControlled(long connectionID, int version); | ||
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| RedirectedAddress redirectControlling(long connectionID, int version); | ||
| } |
69 changes: 69 additions & 0 deletions
69
ltsvr/src/main/java/cn/lanthing/svr/service/impl/RedirectServiceImpl.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| /* | ||
| * BSD 3-Clause License | ||
| * | ||
| * Copyright (c) 2024 Zhennan Tu <zhennan.tu@gmail.com> | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions are met: | ||
| * | ||
| * 1. Redistributions of source code must retain the above copyright notice, this | ||
| * list of conditions and the following disclaimer. | ||
| * | ||
| * 2. Redistributions in binary form must reproduce the above copyright notice, | ||
| * this list of conditions and the following disclaimer in the documentation | ||
| * and/or other materials provided with the distribution. | ||
| * | ||
| * 3. Neither the name of the copyright holder nor the names of its | ||
| * contributors may be used to endorse or promote products derived from | ||
| * this software without specific prior written permission. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" | ||
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
| * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE | ||
| * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | ||
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | ||
| * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | ||
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | ||
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| */ | ||
|
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| package cn.lanthing.svr.service.impl; | ||
|
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| import cn.lanthing.svr.service.RedirectService; | ||
| import org.apache.commons.lang3.StringUtils; | ||
| import org.springframework.beans.factory.annotation.Value; | ||
|
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| public class RedirectServiceImpl implements RedirectService { | ||
|
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| @Value("${redirect.controlled.host:#{null}}") | ||
| private String controlledHost; | ||
|
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| @Value("${redirect.controlled.port:0}") | ||
| private int controlledPort; | ||
|
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| @Value("${redirect.controlling.host:#{null}}") | ||
| private String controllingHost; | ||
|
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| @Value("${redirect.controlling.port:0}") | ||
| private int controllingPort; | ||
|
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| @Override | ||
| public RedirectedAddress redirectControlled(long connectionID, int version) { | ||
| if (StringUtils.isEmpty(controlledHost) || controlledPort == 0) { | ||
| return null; | ||
| } else { | ||
| return new RedirectedAddress(controlledHost, controlledPort); | ||
| } | ||
| } | ||
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| @Override | ||
| public RedirectedAddress redirectControlling(long connectionID, int version) { | ||
| if (StringUtils.isEmpty(controllingHost) || controllingPort == 0) { | ||
| return null; | ||
| } else { | ||
| return new RedirectedAddress(controllingHost, controllingPort); | ||
| } | ||
| } | ||
| } |