120 lines
4.0 KiB
Markdown
120 lines
4.0 KiB
Markdown
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---
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title: GeoServer安全-AuthKey
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author: ac
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date: 2013-12-17
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categries:
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- GIS
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tags:
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- AuthKey
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---
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## GeoServer安全-AuthKey
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### 1.简述
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`authkey` 鉴权可以在GeoServer中实现像调用天地图、高德地图那样，通过提供URL中的Key进行鉴权，如：
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```text
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http://localhost:8080/geoserver/topp/wms?service=WMS&version=1.3.0&request=GetCapabilities&authkey=ef18d7e7-963b-470f-9230-c7f9de166888
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```
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其中的`authkey`与特定用户相关联，作为唯一身份验证令牌。
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### 2. 插件安装
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下载[Key authentication](https://sourceforge.net/projects/geoserver/files/GeoServer/2.22.1/extensions/geoserver-2.22.1-authkey-plugin.zip) 模块
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解压到 `webapps\geoserver\WEB-INF\lib` 目录下，重启应用。
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### 3.插件配置
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#### 3.1 添加认证`user property`
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新增验证过滤器，这里有两种方式`user property`，`web service`；我们先选这第一种：
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> 第一种：是在GeoServer 内部进行authkey的验证。
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>
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> 第二种是通过调用外部接口，在外部验证，正确后返回一个用户名的方式进行鉴权。
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<img src="./images/image-20231218105240848.png" alt="image-20231218105240848" style="zoom:50%;display:block;width:50%;" /><img src="images/image-20231218110226274.png" alt="image-20231218110226274" style="zoom:80%;display:block;width:50%" />
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点击`Synchronize user/group service` 将会生成对应用户/组服务中用户的UUID的key。
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<img src="images/image-20231218110655977.png" alt="image-20231218110655977" style="zoom:80%;" />
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#### 3.2 添加过滤器链
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<img src="images/image-20231218111238452.png" alt="image-20231218111238452" style="zoom:80%;" />
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将新增的`prop_auth`认证添加到选择的框中，去除匿名的认证`anonymous`，关闭，保存。
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#### 3.3 测试
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`http://localhost:8080/geoserver/nurc/wms?SERVICE=WMS&VERSION=1.1.1&REQUEST=GetMap&FORMAT=image%2Fjpeg&TRANSPARENT=true&STYLES&LAYERS=nurc%3AArc_Sample&exceptions=application%2Fvnd.ogc.se_inimage&SRS=EPSG%3A4326&WIDTH=768&HEIGHT=384&BBOX=-293.12500078125%2C-127.18750078125001%2C246.71875078124998%2C142.65625078125`
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返回的是401，`HTTP ERROR 401 Unauthorized`。添加`authKey`参数后才可以正常访问：
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#### 3.4 添加认证`web service`
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在后台实现一个接口，接受authkey参数。
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```java
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@GetMapping(value="/checkAuthKey")
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public String checkAuthKey(@RequestParam String authkey){
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try{
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String username = sysUserService.checkAuthKey(authkey);
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if(StringUtils.isBlank(username)){
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System.out.println("没有关联的username");
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}
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return username;
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}catch (Exception e){
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}
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return "pg_admin";
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}
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```
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#### 3.5 添加过滤器链
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只保留刚刚新建的service_auth认证。
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#### 3.6 验证
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`http://localhost:8080/geoserver/tiger/wms?service=WMS&version=1.1.0&request=GetMap&layers=tiger:poi&bbox=-74.0118315772888,40.70754683896324,-74.00153046439813,40.719885123828675&width=641&height=768&srs=EPSG:4326&styles=&format=image/jpeg`
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没有添加`authKey`参数，后台响应式`HTTP ERROR 403 Access Denied`，没有权限。
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添加后可以正常访问服务：
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### 4.总结
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AuthKey插件可以让访问GeoServer的请求都添加一步认证的过程，只有认证通过的请求才能正常返回。
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这种方式可以理解成在GeoServer服务端与客户端之间加了一堵墙而已，而进一步的细化的服务安全（服务操作）和图层数据安全（数据访问规则）需要在服务端另外进行配置。
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### 参考文章
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[1] [密钥验证模块 — GeoServer 2.24.x User Manual (osgeo.cn)](https://www.osgeo.cn/geoserver-user-manual/extensions/authkey/index.html)
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