feat: 新增跨域自动配置

continew-starter-core/src/main/java/top/charles7c/continew/starter/core/autoconfigure/cors/CorsAutoConfiguration.java

@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
+ * <p>
+ * Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.gnu.org/licenses/lgpl.html
+ * <p>
+ * 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 top.charles7c.continew.starter.core.autoconfigure.cors;
+
+import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
+import org.springframework.boot.context.properties.EnableConfigurationProperties;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Lazy;
+import org.springframework.web.cors.CorsConfiguration;
+import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
+import org.springframework.web.filter.CorsFilter;
+import top.charles7c.continew.starter.core.constant.StringConsts;
+
+/**
+ * 跨域自动配置
+ *
+ * @author Charles7c
+ * @since 1.0.0
+ */
+@Lazy
+@Configuration(proxyBeanMethods = false)
+@ConditionalOnWebApplication
+@ConditionalOnProperty(prefix = "cors", name = "enabled", havingValue = "true")
+@EnableConfigurationProperties(CorsProperties.class)
+public class CorsAutoConfiguration {
+
+    @Bean
+    @ConditionalOnMissingBean
+    public CorsFilter corsFilter(CorsProperties properties) {
+        CorsConfiguration config = new CorsConfiguration();
+        // 设置跨域允许时间
+        config.setMaxAge(1800L);
+
+        // 配置允许跨域的域名
+        if (properties.getAllowedOrigins().contains(StringConsts.ASTERISK)) {
+            config.addAllowedOriginPattern(StringConsts.ASTERISK);
+        } else {
+            // 配置为 true 后则必须配置允许跨域的域名，且不允许配置为 *
+            config.setAllowCredentials(true);
+            properties.getAllowedOrigins().forEach(config::addAllowedOrigin);
+        }
+        // 配置允许跨域的请求方式
+        properties.getAllowedMethods().forEach(config::addAllowedMethod);
+        // 配置允许跨域的请求头
+        properties.getAllowedHeaders().forEach(config::addAllowedHeader);
+        // 配置允许跨域的响应头
+        properties.getExposedHeaders().forEach(config::addExposedHeader);
+
+        // 添加映射路径，拦截一切请求
+        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
+        source.registerCorsConfiguration("/**", config);
+        return new CorsFilter(source);
+    }
+}

continew-starter-core/src/main/java/top/charles7c/continew/starter/core/autoconfigure/cors/CorsProperties.java

@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
+ * <p>
+ * Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.gnu.org/licenses/lgpl.html
+ * <p>
+ * 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 top.charles7c.continew.starter.core.autoconfigure.cors;
+
+import lombok.Data;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * 跨域配置属性
+ *
+ * @author Charles7c
+ * @since 1.0.0
+ */
+@Data
+@ConfigurationProperties(prefix = "cors")
+public class CorsProperties {
+
+    /**
+     * 是否启用
+     */
+    private boolean enabled = false;
+
+    /**
+     * 允许跨域的域名
+     */
+    private List<String> allowedOrigins = new ArrayList<>();
+
+    /**
+     * 允许跨域的请求方式
+     */
+    private List<String> allowedMethods = new ArrayList<>();
+
+    /**
+     * 允许跨域的请求头
+     */
+    private List<String> allowedHeaders = new ArrayList<>();
+
+    /**
+     * 允许跨域的响应头
+     */
+    private List<String> exposedHeaders = new ArrayList<>();
+}

continew-starter-core/src/main/java/top/charles7c/continew/starter/core/constant/StringConsts.java

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+/*
+ * Copyright (c) 2022-present Charles7c Authors. All Rights Reserved.
+ * <p>
+ * Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * <p>
+ * http://www.gnu.org/licenses/lgpl.html
+ * <p>
+ * 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 top.charles7c.continew.starter.core.constant;
+
+import cn.hutool.core.text.StrPool;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+
+/**
+ * 字符串相关常量
+ *
+ * @author Charles7c
+ * @since 1.0.0
+ */
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public class StringConsts implements StrPool {
+
+    /**
+     * 空字符串
+     */
+    public static final String EMPTY = "";
+
+    /**
+     * 空格
+     */
+    public static final String SPACE = " ";
+
+    /**
+     * 分号
+     */
+    public static final String SEMICOLON = ";";
+
+    /**
+     * 星号
+     */
+    public static final String ASTERISK = "*";
+
+    /**
+     * 问号
+     */
+    public static final String QUESTION_MARK = "?";
+
+    /**
+     * 中文逗号
+     */
+    public static final String CHINESE_COMMA = "，";
+}

continew-starter-core/src/main/resources/META-INF/spring/org.springframework.boot.autoconfigure.AutoConfiguration.imports

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+top.charles7c.continew.starter.core.autoconfigure.cors.CorsAutoConfiguration