fix jdbc connect parameters can not input '@' and '.' character (#8293)

* fix jdbc connect parameters can not input '@' and '.' character

This closes #8135

* add AbstractDataSourceProcessor class unit test

* add license header

* remove class comment

* optimize unit tests

* modify the variable name

Co-authored-by: 朱学通 <zhuxuetong@gridsum.com>

dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-api/src/main/java/org/apache/dolphinscheduler/plugin/datasource/api/datasource/AbstractDataSourceProcessor.java

@@ -35,7 +35,7 @@ public abstract class AbstractDataSourceProcessor implements DataSourceProcessor
 
     private static final Pattern DATABASE_PATTER = Pattern.compile("^[a-zA-Z0-9\\_\\-\\.]+$");
 
-    private static final Pattern PARAMS_PATTER = Pattern.compile("^[a-zA-Z0-9\\-\\_\\/]+$");
+    private static final Pattern PARAMS_PATTER = Pattern.compile("^[a-zA-Z0-9\\-\\_\\/\\@\\.]+$");
 
     @Override
     public void checkDatasourceParam(BaseDataSourceParamDTO baseDataSourceParamDTO) {

dolphinscheduler-datasource-plugin/dolphinscheduler-datasource-api/src/test/java/org/apache/dolphinscheduler/plugin/datasource/api/datasource/AbstractDataSourceProcessorTest.java

@@ -0,0 +1,44 @@
+/*
+ * 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.dolphinscheduler.plugin.datasource.api.datasource;
+
+import org.junit.Test;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import static org.mockito.Mockito.*;
+
+public class AbstractDataSourceProcessorTest {
+
+    @Test
+    public void checkOtherTest() {
+        AbstractDataSourceProcessor mockDataSourceProcessor = mock(AbstractDataSourceProcessor.class);
+        Map<String, String> other = new HashMap<>();
+        other.put("principal", "hadoop/_HOST@TEST.COM");
+        doNothing().when(mockDataSourceProcessor).checkOther(other);
+    }
+
+    @Test
+    public void checkOtherExceptionTest() {
+        AbstractDataSourceProcessor mockDataSourceProcessor = mock(AbstractDataSourceProcessor.class);
+        Map<String, String> other = new HashMap<>();
+        other.put("arg0", "%");
+        doThrow(new IllegalArgumentException()).when(mockDataSourceProcessor).checkOther(other);
+    }
+}