feature: implement business data source query MCP tool on the console module

console/pom.xml

@@ -158,6 +158,18 @@
             <artifactId>spring-ai-starter-mcp-server-webmvc</artifactId>
             <version>${spring-ai.version}</version>
         </dependency>
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>druid</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-dbcp2</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>com.zaxxer</groupId>
+            <artifactId>HikariCP</artifactId>
+        </dependency>
     </dependencies>
 
     <build>

console/src/main/java/org/apache/seata/console/config/WebSecurityConfig.java

@@ -18,9 +18,11 @@
 
 import org.apache.seata.common.util.StringUtils;
 import org.apache.seata.console.filter.JwtAuthenticationTokenFilter;
+import org.apache.seata.console.filter.MCPBusinessDataSourceFilter;
 import org.apache.seata.console.security.CustomUserDetailsServiceImpl;
 import org.apache.seata.console.security.JwtAuthenticationEntryPoint;
 import org.apache.seata.console.utils.JwtTokenUtils;
+import org.apache.seata.mcp.core.props.BusinessDataSourcesProperties;
 import org.apache.seata.mcp.core.props.MCPProperties;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
@@ -86,6 +88,9 @@ public class WebSecurityConfig {
     @Autowired
     private MCPProperties mcpProperties;
 
+    @Autowired
+    private BusinessDataSourcesProperties businessDataSourcesProperties;
+
     @Value("${seata.security.ignore.urls:/**}")
     String ignoreURLs;
 
@@ -136,6 +141,9 @@ public SecurityFilterChain securityFilterChain(HttpSecurity http, Authentication
                 })
                 .addFilterBefore(
                         new JwtAuthenticationTokenFilter(tokenProvider), UsernamePasswordAuthenticationFilter.class)
+                .addFilterBefore(
+                        new MCPBusinessDataSourceFilter(businessDataSourcesProperties),
+                        JwtAuthenticationTokenFilter.class)
                 .headers(headers -> headers.cacheControl(cache -> {}));
 
         return http.build();

console/src/main/java/org/apache/seata/console/filter/MCPBusinessDataSourceFilter.java

@@ -0,0 +1,67 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.seata.console.filter;
+
+import jakarta.servlet.FilterChain;
+import jakarta.servlet.ServletException;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+import org.apache.seata.mcp.core.props.BusinessDataSourcesProperties;
+import org.springframework.http.HttpStatus;
+import org.springframework.web.filter.OncePerRequestFilter;
+
+import java.io.IOException;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
+
+public class MCPBusinessDataSourceFilter extends OncePerRequestFilter {
+
+    private final BusinessDataSourcesProperties businessDataSourcesProperties;
+
+    private final Set<String> processedConfigs = ConcurrentHashMap.newKeySet();
+
+    public MCPBusinessDataSourceFilter(BusinessDataSourcesProperties properties) {
+        this.businessDataSourcesProperties = properties;
+    }
+
+    @Override
+    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain)
+            throws ServletException, IOException {
+        String combinedHeader = request.getHeader("X-DB-Config");
+        if (combinedHeader != null && !combinedHeader.isEmpty()) {
+            String[] jsonConfigs = combinedHeader.split(";");
+            for (String jsonDBConfig : jsonConfigs) {
+                if (processedConfigs.contains(jsonDBConfig.trim())) {
+                    continue;
+                }
+                try {
+                    businessDataSourcesProperties.registerDataSourceFromJson(jsonDBConfig.trim());
+                    processedConfigs.add(jsonDBConfig.trim());
+                } catch (Exception e) {
+                    if (!response.isCommitted()) {
+                        response.sendError(
+                                HttpStatus.BAD_REQUEST.value(),
+                                "The business database parameter in the request header is incorrect: "
+                                        + e.getMessage());
+                        return;
+                    }
+                }
+            }
+        }
+        filterChain.doFilter(request, response);
+    }
+}

console/src/main/java/org/apache/seata/mcp/core/constant/SqlConstant.java

@@ -0,0 +1,27 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.seata.mcp.core.constant;
+
+public class SqlConstant {
+
+    public static final String GET_TABLE_NAME_SQL =
+            "SELECT TABLE_NAME, TABLE_COMMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = ? ";
+
+    public static final String GET_SCHEMA_SQL =
+            "SELECT COLUMN_NAME, DATA_TYPE, COLUMN_COMMENT FROM INFORMATION_SCHEMA.COLUMNS "
+                    + "WHERE TABLE_SCHEMA = ? AND TABLE_NAME = ?";
+}