AbstractVerifier.java

/*Copyright (C) 2020 THL A29 Limited, a Tencent company.  All rights reserved.

This source code is licensed under the Apache License Version 2.0.*/


package apijson.orm;

import static apijson.RequestMethod.DELETE;
import static apijson.RequestMethod.GET;
import static apijson.RequestMethod.GETS;
import static apijson.RequestMethod.HEAD;
import static apijson.RequestMethod.HEADS;
import static apijson.RequestMethod.POST;
import static apijson.RequestMethod.PUT;
import static apijson.orm.Operation.EXIST;
import static apijson.orm.Operation.INSERT;
import static apijson.orm.Operation.MUST;
import static apijson.orm.Operation.REFUSE;
import static apijson.orm.Operation.REMOVE;
import static apijson.orm.Operation.REPLACE;
import static apijson.orm.Operation.TYPE;
import static apijson.orm.Operation.UNIQUE;
import static apijson.orm.Operation.UPDATE;
import static apijson.orm.Operation.VERIFY;

import java.net.URL;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.SortedMap;
import java.util.regex.Pattern;

import javax.activation.UnsupportedDataTypeException;

import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;

import apijson.JSON;
import apijson.JSONResponse;
import apijson.Log;
import apijson.MethodAccess;
import apijson.NotNull;
import apijson.RequestMethod;
import apijson.StringUtil;
import apijson.orm.AbstractSQLConfig.IdCallback;
import apijson.orm.exception.ConflictException;
import apijson.orm.exception.NotLoggedInException;
import apijson.orm.model.Access;
import apijson.orm.model.Column;
import apijson.orm.model.Document;
import apijson.orm.model.ExtendedProperty;
import apijson.orm.model.Function;
import apijson.orm.model.Script;
import apijson.orm.model.PgAttribute;
import apijson.orm.model.PgClass;
import apijson.orm.model.Request;
import apijson.orm.model.SysColumn;
import apijson.orm.model.SysTable;
import apijson.orm.model.Table;
import apijson.orm.model.AllTable;
import apijson.orm.model.AllColumn;
import apijson.orm.model.AllTableComment;
import apijson.orm.model.AllColumnComment;
import apijson.orm.model.TestRecord;

/**校验器(权限、请求参数、返回结果等)
 * TODO 合并 Structure 的代码
 * @author Lemon
 * @param <T> id 与 userId 的类型，一般为 Long
 */
public abstract class AbstractVerifier<T extends Object> implements Verifier<T>, IdCallback<T> {
	private static final String TAG = "AbstractVerifier";

    /**开启校验请求角色权限
     */
    public static boolean ENABLE_VERIFY_ROLE = true;
    /**开启校验请求传参内容
     */
    public static boolean ENABLE_VERIFY_CONTENT = true;

    /**未登录，不明身份的用户
	 */
	public static final String UNKNOWN = "UNKNOWN";

	/**已登录的用户
	 */
	public static final String LOGIN = "LOGIN";

	/**联系人，必须已登录
	 */
	public static final String CONTACT = "CONTACT";

	/**圈子成员(CONTACT + OWNER)，必须已登录
	 */
	public static final String CIRCLE = "CIRCLE";

	/**拥有者，必须已登录
	 */
	public static final String OWNER = "OWNER";

	/**管理员，必须已登录
	 */
	public static final String ADMIN = "ADMIN";


	// 共享 STRUCTURE_MAP 则不能 remove 等做任何变更，否则在并发情况下可能会出错，加锁效率又低，所以这里改为忽略对应的 key
	public static Map<String, Entry<String, Object>> ROLE_MAP;

	public static List<String> OPERATION_KEY_LIST;

	// <TableName, <METHOD, allowRoles>>
	// <User, <GET, [OWNER, ADMIN]>>
	@NotNull
	public static Map<String, Map<RequestMethod, String[]>> SYSTEM_ACCESS_MAP;
	@NotNull
	public static Map<String, Map<RequestMethod, String[]>> ACCESS_MAP;

	// <method tag, <version, Request>>
	// <PUT Comment, <1, { "method":"PUT", "tag":"Comment", "structure":{ "MUST":"id"... }... }>>
	@NotNull
	public static Map<String, SortedMap<Integer, JSONObject>> REQUEST_MAP;

	// 正则匹配的别名快捷方式，例如用 "PHONE" 代替 "^((13[0-9])|(15[^4,\\D])|(18[0-2,5-9])|(17[0-9]))\\d{8}$"
	@NotNull
	public static final Map<String, Pattern> COMPILE_MAP;
	static {
		ROLE_MAP = new LinkedHashMap<>();
		ROLE_MAP.put(UNKNOWN, new Entry<String, Object>());
		ROLE_MAP.put(LOGIN, new Entry<String, Object>("userId>", 0));
		ROLE_MAP.put(CONTACT, new Entry<String, Object>("userId{}", "contactIdList"));
		ROLE_MAP.put(CIRCLE, new Entry<String, Object>("userId-()", "verifyCircle()")); // "userId{}", "circleIdList"));  // 还是 {"userId":"currentUserId", "userId{}": "contactIdList", "@combine": "userId,userId{}" } ? 
		ROLE_MAP.put(OWNER, new Entry<String, Object>("userId", "userId"));
		ROLE_MAP.put(ADMIN, new Entry<String, Object>("userId-()", "verifyAdmin()"));

		OPERATION_KEY_LIST = new ArrayList<>();
		OPERATION_KEY_LIST.add(TYPE.name());
		OPERATION_KEY_LIST.add(VERIFY.name());
		OPERATION_KEY_LIST.add(INSERT.name());
		OPERATION_KEY_LIST.add(UPDATE.name());
		OPERATION_KEY_LIST.add(REPLACE.name());
		OPERATION_KEY_LIST.add(EXIST.name());
		OPERATION_KEY_LIST.add(UNIQUE.name());
		OPERATION_KEY_LIST.add(REMOVE.name());
		OPERATION_KEY_LIST.add(MUST.name());
		OPERATION_KEY_LIST.add(REFUSE.name());


		SYSTEM_ACCESS_MAP = new HashMap<String, Map<RequestMethod, String[]>>();

		SYSTEM_ACCESS_MAP.put(Access.class.getSimpleName(), getAccessMap(Access.class.getAnnotation(MethodAccess.class)));
		SYSTEM_ACCESS_MAP.put(Function.class.getSimpleName(), getAccessMap(Function.class.getAnnotation(MethodAccess.class)));
		SYSTEM_ACCESS_MAP.put(Script.class.getSimpleName(), getAccessMap(Script.class.getAnnotation(MethodAccess.class)));
		SYSTEM_ACCESS_MAP.put(Request.class.getSimpleName(), getAccessMap(Request.class.getAnnotation(MethodAccess.class)));

		if (Log.DEBUG) {
			SYSTEM_ACCESS_MAP.put(Table.class.getSimpleName(), getAccessMap(Table.class.getAnnotation(MethodAccess.class)));
            SYSTEM_ACCESS_MAP.put(Column.class.getSimpleName(), getAccessMap(Column.class.getAnnotation(MethodAccess.class)));
			SYSTEM_ACCESS_MAP.put(PgAttribute.class.getSimpleName(), getAccessMap(PgAttribute.class.getAnnotation(MethodAccess.class)));
            SYSTEM_ACCESS_MAP.put(PgClass.class.getSimpleName(), getAccessMap(PgClass.class.getAnnotation(MethodAccess.class)));
            SYSTEM_ACCESS_MAP.put(AllTable.class.getSimpleName(), getAccessMap(AllTable.class.getAnnotation(MethodAccess.class)));
            SYSTEM_ACCESS_MAP.put(AllTableComment.class.getSimpleName(), getAccessMap(AllTableComment.class.getAnnotation(MethodAccess.class)));
            SYSTEM_ACCESS_MAP.put(AllColumn.class.getSimpleName(), getAccessMap(AllColumn.class.getAnnotation(MethodAccess.class)));
            SYSTEM_ACCESS_MAP.put(AllColumnComment.class.getSimpleName(), getAccessMap(AllColumnComment.class.getAnnotation(MethodAccess.class)));
            SYSTEM_ACCESS_MAP.put(SysTable.class.getSimpleName(), getAccessMap(SysTable.class.getAnnotation(MethodAccess.class)));
			SYSTEM_ACCESS_MAP.put(SysColumn.class.getSimpleName(), getAccessMap(SysColumn.class.getAnnotation(MethodAccess.class)));
			SYSTEM_ACCESS_MAP.put(ExtendedProperty.class.getSimpleName(), getAccessMap(ExtendedProperty.class.getAnnotation(MethodAccess.class)));

			SYSTEM_ACCESS_MAP.put(Document.class.getSimpleName(), getAccessMap(Document.class.getAnnotation(MethodAccess.class)));
			SYSTEM_ACCESS_MAP.put(TestRecord.class.getSimpleName(), getAccessMap(TestRecord.class.getAnnotation(MethodAccess.class)));
		}

		ACCESS_MAP = new HashMap<>(SYSTEM_ACCESS_MAP);

		REQUEST_MAP = new HashMap<>(ACCESS_MAP.size()*7);  // 单个与批量增删改

		COMPILE_MAP = new HashMap<String, Pattern>();
	}

	/**获取权限Map，每种操作都只允许对应的角色
	 * @param access
	 * @return
	 */
	public static HashMap<RequestMethod, String[]> getAccessMap(MethodAccess access) {
		if (access == null) {
			return null;
		}

		HashMap<RequestMethod, String[]> map = new HashMap<>();
		map.put(GET, access.GET());
		map.put(HEAD, access.HEAD());
		map.put(GETS, access.GETS());
		map.put(HEADS, access.HEADS());
		map.put(POST, access.POST());
		map.put(PUT, access.PUT());
		map.put(DELETE, access.DELETE());

		return map;
	}


	@Override
	public String getVisitorIdKey(SQLConfig config) {
		return config.getUserIdKey();
	}

	@Override
	public String getIdKey(String database, String schema, String datasource, String table) {
		return apijson.JSONObject.KEY_ID;
	}
	@Override
	public String getUserIdKey(String database, String schema, String datasource, String table) {
		return apijson.JSONObject.KEY_USER_ID;
	}

	@SuppressWarnings("unchecked")
	@Override
	public T newId(RequestMethod method, String database, String schema, String datasource, String table) {
		return (T) Long.valueOf(System.currentTimeMillis());
	}



	@NotNull
	protected Visitor<T> visitor;
	protected Object visitorId;
	@NotNull
	@Override
	public Visitor<T> getVisitor() {
		return visitor;
	}
	@Override
	public AbstractVerifier<T> setVisitor(Visitor<T> visitor) {
		this.visitor = visitor;
		this.visitorId = visitor == null ? null : visitor.getId();

		//导致内部调用且放行校验(needVerifyLogin, needVerifyRole)也抛异常
		//		if (visitorId == null) {
		//			throw new NullPointerException(TAG + ".setVisitor visitorId == null !!! 可能导致权限校验失效，引发安全问题！");
		//		}

		return this;
	}


	/**验证权限是否通过
	 * @param config
	 * @param visitor
	 * @return
	 * @throws Exception
	 */
	@Override
	public boolean verifyAccess(SQLConfig config) throws Exception {
        if (ENABLE_VERIFY_ROLE == false) {
            throw new UnsupportedOperationException("AbstractVerifier.ENABLE_VERIFY_ROLE == false " +
                    "时不支持校验角色权限！如需支持则设置 AbstractVerifier.ENABLE_VERIFY_ROLE = true ！");
        }

		String table = config == null ? null : config.getTable();
		if (table == null) {
			return true;
		}

		String role = config.getRole();
		if (role == null) {
			role = UNKNOWN;
		}
		else { 
			if (ROLE_MAP.containsKey(role) == false) {
				Set<String> NAMES = ROLE_MAP.keySet();
				throw new IllegalArgumentException("角色 " + role + " 不存在！" +
                        "只能是[" + StringUtil.getString(NAMES.toArray()) + "]中的一种！");
			}

			if (role.equals(UNKNOWN) == false) { //未登录的角色
				verifyLogin();
			}
		}

		RequestMethod method = config.getMethod();
		verifyRole(config, table, method, role);

		return true;
	}

	@Override
	public void verifyRole(SQLConfig config, String table, RequestMethod method, String role) throws Exception {
		verifyAllowRole(config, table, method, role); //验证允许的角色
		verifyUseRole(config, table, method, role); //验证使用的角色
	}

	/**允许请求使用的所以可能角色
	 * @param config
	 * @param table
	 * @param method
	 * @param role
	 * @return
	 * @throws Exception 
	 * @see {@link apijson.JSONObject#KEY_ROLE} 
	 */
	public void verifyAllowRole(SQLConfig config, String table, RequestMethod method, String role) throws Exception {
		Log.d(TAG, "verifyAllowRole  table = " + table + "; method = " + method + "; role = " + role);
		if (table == null) {
			table = config == null ? null : config.getTable();
		}

		if (table != null) {
			if (method == null) {
				method = config == null ? GET : config.getMethod();
			}
			if (role == null) {
				role = config == null ? UNKNOWN : config.getRole();
			}

			Map<RequestMethod, String[]> map = ACCESS_MAP.get(table);

			if (map == null || Arrays.asList(map.get(method)).contains(role) == false) {
				throw new IllegalAccessException(table + " 不允许 " + role + " 用户的 " + method.name() + " 请求！");
			}
		}
	}

	/**校验请求使用的角色，角色不好判断，让访问者发过来角色名，OWNER,CONTACT,ADMIN等
	 * @param config
	 * @param table
	 * @param method
	 * @param role
	 * @return
	 * @throws Exception 
	 * @see {@link apijson.JSONObject#KEY_ROLE} 
	 */
	public void verifyUseRole(SQLConfig config, String table, RequestMethod method, String role) throws Exception {
		Log.d(TAG, "verifyUseRole  table = " + table + "; method = " + method + "; role = " + role);
		//验证角色，假定真实强制匹配<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

		String visitorIdKey = getVisitorIdKey(config);
		if (table == null) {
			table = config == null ? null : config.getTable();
		}
		if (method == null) {
			method = config == null ? GET : config.getMethod();
		}
		if (role == null) {
			role = config == null ? UNKNOWN : config.getRole();
		}

		Object requestId;
		switch (role) {
		case LOGIN://verifyRole通过就行
			break;
		case CONTACT:
		case CIRCLE:
			//TODO 做一个缓存contactMap<visitorId, contactArray>，提高[]:{}查询性能， removeAccessInfo时map.remove(visitorId)
			//不能在Visitor内null -> [] ! 否则会导致某些查询加上不需要的条件！
			List<Object> list = visitor.getContactIdList() == null
			? new ArrayList<Object>() : new ArrayList<Object>(visitor.getContactIdList());
			if (CIRCLE.equals(role)) {
				list.add(visitorId);
			}

			//key!{}:[] 或 其它没有明确id的条件 等 可以和key{}:list组合。类型错误就报错
			requestId = config.getWhere(visitorIdKey, true);//JSON里数值不能保证是Long，可能是Integer
			@SuppressWarnings("unchecked") 
			Collection<Object> requestIdArray = (Collection<Object>) config.getWhere(visitorIdKey + "{}", true);//不能是 &{}， |{} 不要传，直接{}
			if (requestId != null) {
				if (requestIdArray == null) {
					requestIdArray = new JSONArray();
				}
				requestIdArray.add(requestId);
			}

			if (requestIdArray == null) {//可能是@得到 || requestIdArray.isEmpty()) {//请求未声明key:id或key{}:[...]条件，自动补全
				config.putWhere(visitorIdKey+"{}", JSON.parseArray(list), true); //key{}:[]有效，SQLConfig里throw NotExistException
			} 
			else {//请求已声明key:id或key{}:[]条件，直接验证
				for (Object id : requestIdArray) {
					if (id == null) {
						continue;
					}
					if (id instanceof Number == false) {//不能准确地判断Long，可能是Integer
						throw new UnsupportedDataTypeException(table + ".id类型错误，id类型必须是Long！");
					}
					if (list.contains(Long.valueOf("" + id)) == false) {//Integer等转为Long才能正确判断。强转崩溃
						throw new IllegalAccessException(visitorIdKey + " = " + id + " 的 " + table
								+ " 不允许 " + role + " 用户的 " + method.name() + " 请求！");
					}
				}
			}
			break;
		case OWNER:
			if (config.getMethod() == RequestMethod.POST) {
				List<String> c = config.getColumn();
				List<List<Object>> ovs = config.getValues();
				if ( (c == null || c.isEmpty()) || (ovs == null || ovs.isEmpty()) ) {
					throw new IllegalArgumentException("POST 请求必须在Table内设置要保存的 key:value ！");
				}

				int index = c.indexOf(visitorIdKey);
				if (index >= 0) {
					Object oid;
					for (List<Object> ovl : ovs) {
						oid = ovl == null || index >= ovl.size() ? null : ovl.get(index);
						if (oid == null || StringUtil.getString(oid).equals("" + visitorId) == false) {
							throw new IllegalAccessException(visitorIdKey + " = " + oid + " 的 " + table
									+ " 不允许 " + role + " 用户的 " + method.name() + " 请求！");
						}
					}
				}
				else {
					List<String> nc = new ArrayList<>(c);
					nc.add(visitorIdKey);
					config.setColumn(nc);

					List<List<Object>> nvs = new ArrayList<>();
					List<Object> nvl;
					for (List<Object> ovl : ovs) {
						nvl = ovl == null || ovl.isEmpty() ? new ArrayList<>() : new ArrayList<>(ovl);
						nvl.add(visitorId);
						nvs.add(nvl);
					}

					config.setValues(nvs);
				}
			}
			else {
				requestId = config.getWhere(visitorIdKey, true);//JSON里数值不能保证是Long，可能是Integer
				if (requestId != null && StringUtil.getString(requestId).equals(StringUtil.getString(visitorId)) == false) {
					throw new IllegalAccessException(visitorIdKey + " = " + requestId + " 的 " + table
							+ " 不允许 " + role + " 用户的 " + method.name() + " 请求！");
				}

				config.putWhere(visitorIdKey, visitorId, true);
			}
			break;
		case ADMIN://这里不好做，在特定接口内部判。 可以是  /get/admin + 固定秘钥  Parser#needVerify，之后全局跳过验证
			verifyAdmin();
			break;
		default://unknown，verifyRole通过就行
			break;
		}

		//验证角色，假定真实强制匹配>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
	}


	/**登录校验
	 * @author Lemon
	 * @param visitorId
	 * @throws Exception
	 */
	@Override
	public void verifyLogin() throws Exception {
		//未登录没有权限操作
		if (visitorId == null) {
			throw new NotLoggedInException("未登录或登录过期，请登录后再操作！");
		}

		if (visitorId instanceof Number) {
			if (((Number) visitorId).longValue() <= 0) {
				throw new NotLoggedInException("未登录或登录过期，请登录后再操作！");
			}
		} 
		else if (visitorId instanceof String) {
			if (StringUtil.isEmpty(visitorId, true)) {
				throw new NotLoggedInException("未登录或登录过期，请登录后再操作！");
			}
		}
		else {
			throw new UnsupportedDataTypeException("visitorId 只能是 Long 或 String 类型！");
		}

	}

	@Override
	public void verifyAdmin() throws Exception {
		throw new UnsupportedOperationException("不支持 ADMIN 角色！如果要支持就在子类重写这个方法" +
                "来校验 ADMIN 角色，不通过则 throw IllegalAccessException!");
	}


	/**验证是否重复
	 * FIXME 这个方法实际上没有被使用
	 * @param table
	 * @param key
	 * @param value
	 * @throws Exception
	 */
	@Override
	public void verifyRepeat(String table, String key, Object value) throws Exception {
		verifyRepeat(table, key, value, 0);
	}
	/**验证是否重复
	 * FIXME 这个方法实际上没有被使用，而且与 Structure.verifyRepeat 代码重复度比较高，需要简化
	 * @param table
	 * @param key
	 * @param value
	 * @param exceptId 不包含id
	 * @throws Exception
	 */
	@Override
	public void verifyRepeat(String table, String key, Object value, long exceptId) throws Exception {
		if (key == null || value == null) {
			Log.e(TAG, "verifyRepeat  key == null || value == null >> return;");
			return;
		}
		if (value instanceof JSON) {
			throw new UnsupportedDataTypeException(key + ":value 中value的类型不能为JSON！");
		}

		JSONRequest request = new JSONRequest(key, value);
		if (exceptId > 0) {//允许修改自己的属性为该属性原来的值
			request.put(JSONRequest.KEY_ID + "!", exceptId);  // FIXME 这里 id 写死了，不支持自定义
		}
		JSONObject repeat = createParser().setMethod(HEAD).setNeedVerify(true).parseResponse(
				new JSONRequest(table, request)
				);
		repeat = repeat == null ? null : repeat.getJSONObject(table);
		if (repeat == null) {
			throw new Exception("服务器内部错误  verifyRepeat  repeat == null");
		}
		if (repeat.getIntValue(JSONResponse.KEY_COUNT) > 0) {
			throw new ConflictException(key + ": " + value + " 已经存在，不能重复！");
		}
	}



	/**从request提取target指定的内容
	 * @param method
	 * @param name
	 * @param target
	 * @param request
	 * @param maxUpdateCount
	 * @param idKey
	 * @param userIdKey
	 * @param creator
	 * @return
	 * @throws Exception
	 */
	@Override
	public JSONObject verifyRequest(@NotNull final RequestMethod method, final String name
			, final JSONObject target, final JSONObject request, final int maxUpdateCount
			, final String database, final String schema, final SQLCreator creator) throws Exception {
		return verifyRequest(method, name, target, request, maxUpdateCount, database, schema, this, creator);
	}

	/**从request提取target指定的内容
	 * @param method
	 * @param name
	 * @param target
	 * @param request
	 * @param creator
	 * @return
	 * @throws Exception
	 */
	public static JSONObject verifyRequest(@NotNull final RequestMethod method, final String name
			, final JSONObject target, final JSONObject request, final SQLCreator creator) throws Exception {
		return verifyRequest(method, name, target, request, AbstractParser.MAX_UPDATE_COUNT, creator);
	}
	/**从request提取target指定的内容
	 * @param method
	 * @param name
	 * @param target
	 * @param request
	 * @param maxUpdateCount
	 * @param creator
	 * @return
	 * @throws Exception
	 */
	public static JSONObject verifyRequest(@NotNull final RequestMethod method, final String name
			, final JSONObject target, final JSONObject request
            , final int maxUpdateCount, final SQLCreator creator) throws Exception {
		return verifyRequest(method, name, target, request, maxUpdateCount
                , null, null, null, creator);
	}

	/**从request提取target指定的内容
	 * @param method
	 * @param name
	 * @param target
	 * @param request
	 * @param maxUpdateCount
	 * @param idKey
	 * @param userIdKey
	 * @param creator
	 * @return
	 * @throws Exception
	 */
	public static <T extends Object> JSONObject verifyRequest(@NotNull final RequestMethod method
            , final String name, final JSONObject target, final JSONObject request
            , final int maxUpdateCount, final String database, final String schema
            , final IdCallback<T> idCallback, final SQLCreator creator) throws Exception {
		return verifyRequest(method, name, target, request, maxUpdateCount, database, schema
                , null, idCallback, creator);
	}
	/**从request提取target指定的内容
	 * @param method
	 * @param name
	 * @param target
	 * @param request
	 * @param maxUpdateCount
	 * @param idKey
	 * @param userIdKey
	 * @param creator
	 * @return
	 * @throws Exception
	 */
	public static <T extends Object> JSONObject verifyRequest(@NotNull final RequestMethod method
            , final String name, final JSONObject target, final JSONObject request
            , final int maxUpdateCount, final String database, final String schema, final String datasource
            , final IdCallback<T> idCallback, final SQLCreator creator) throws Exception {
        if (ENABLE_VERIFY_CONTENT == false) {
            throw new UnsupportedOperationException("AbstractVerifier.ENABLE_VERIFY_CONTENT == false" +
                    " 时不支持校验请求传参内容！如需支持则设置 AbstractVerifier.ENABLE_VERIFY_CONTENT = true ！");
        }

		Log.i(TAG, "verifyRequest  method = " + method  + "; name = " + name
				+ "; target = \n" + JSON.toJSONString(target)
				+ "\n request = \n" + JSON.toJSONString(request));

		if (target == null || request == null) {// || request.isEmpty()) {
			Log.i(TAG, "verifyRequest  target == null || request == null >> return null;");
			return null;
		}

		//已在 Verifier 中处理
		//		if (get(request.getString(JSONRequest.KEY_ROLE)) == ADMIN) {
		//			throw new IllegalArgumentException("角色设置错误！不允许在写操作Request中传 " + name +
		//					":{ " + JSONRequest.KEY_ROLE + ":admin } ！");
		//		}


		//解析
		return parse(method, name, target, request, database, schema, idCallback, creator, new OnParseCallback() {

			@Override
			public JSONObject onParseJSONObject(String key, JSONObject tobj, JSONObject robj) throws Exception {
				//				Log.i(TAG, "verifyRequest.parse.onParseJSONObject  key = " + key + "; robj = " + robj);

				if (robj == null) {
					if (tobj != null) {//不允许不传Target中指定的Table
						throw new IllegalArgumentException(method + "请求，请在 " + name + " 内传 " + key + ":{} ！");
					}
				} else if (apijson.JSONObject.isTableKey(key)) {
					String db = request.getString(apijson.JSONObject.KEY_DATABASE);
					String sh = request.getString(apijson.JSONObject.KEY_SCHEMA);
					String ds = request.getString(apijson.JSONObject.KEY_DATASOURCE);
					if (StringUtil.isEmpty(db, false)) {
						db = database;
					}
					if (StringUtil.isEmpty(sh, false)) {
						sh = schema;
					}
					if (StringUtil.isEmpty(ds, false)) {
						ds = datasource;
					}

					String idKey = idCallback == null ? null : idCallback.getIdKey(db, sh, ds, key);
					String finalIdKey = StringUtil.isEmpty(idKey, false) ? apijson.JSONObject.KEY_ID : idKey;

					if (method == RequestMethod.POST) {
						if (robj.containsKey(finalIdKey)) {
							throw new IllegalArgumentException(method + "请求，" + name + "/" + key + " 不能传 " + finalIdKey + " ！");
						}
					} else {
						if (RequestMethod.isQueryMethod(method) == false) {
							verifyId(method.name(), name, key, robj, finalIdKey, maxUpdateCount, true);

							String userIdKey = idCallback == null ? null : idCallback.getUserIdKey(db, sh, ds, key);
							String finalUserIdKey = StringUtil.isEmpty(userIdKey, false) ? apijson.JSONObject.KEY_USER_ID : userIdKey;
							verifyId(method.name(), name, key, robj, finalUserIdKey, maxUpdateCount, false);
						}
					}
				}

				return verifyRequest(method, key, tobj, robj, maxUpdateCount, database, schema, idCallback, creator);
			}

			@Override
			protected JSONArray onParseJSONArray(String key, JSONArray tarray, JSONArray rarray) throws Exception {
				if ((method == RequestMethod.POST || method == RequestMethod.PUT) && JSONRequest.isArrayKey(key)) {
					if (rarray == null || rarray.isEmpty()) {
						throw new IllegalArgumentException(method + "请求，请在 " + name + " 内传 " + key + ":[{ ... }] "
								+ "，批量新增 Table[]:value 中 value 必须是包含表对象的非空数组！其中每个子项 { ... } 都是"
								+ " tag:" + key.substring(0, key.length() - 2) + " 对应单个新增的 structure ！");
					}
					if (rarray.size() > maxUpdateCount) {
						throw new IllegalArgumentException(method + "请求，" + name + "/" + key
								+ " 里面的 " + key + ":[{ ... }] 中 [] 的长度不能超过 " + maxUpdateCount + " ！");
					}
				}
				return super.onParseJSONArray(key, tarray, rarray);
			}
		});

	}

	/**
	 * @param method
	 * @param name
	 * @param key
	 * @param robj
	 * @param idKey
	 * @param atLeastOne 至少有一个不为null
	 */
	private static void verifyId(@NotNull String method, @NotNull String name, @NotNull String key
			, @NotNull JSONObject robj, @NotNull String idKey, final int maxUpdateCount, boolean atLeastOne) {
		//单个修改或删除
		Object id = robj.get(idKey); //如果必须传 id ，可在Request表中配置NECESSARY
		if (id != null && id instanceof Number == false && id instanceof String == false) {
			throw new IllegalArgumentException(method + "请求，" + name + "/" + key
					+ " 里面的 " + idKey + ":value 中value的类型只能是 Long 或 String ！");
		}


		//批量修改或删除
		String idInKey = idKey + "{}";

		JSONArray idIn = null;
		try {
			idIn = robj.getJSONArray(idInKey); //如果必须传 id{} ，可在Request表中配置NECESSARY
		} catch (Exception e) {
			throw new IllegalArgumentException(method + "请求，" + name + "/" + key
					+ " 里面的 " + idInKey + ":value 中value的类型只能是 [Long] ！");
		}
		if (idIn == null) {
			if (atLeastOne && id == null) {
				throw new IllegalArgumentException(method + "请求，" + name + "/" + key
						+ " 里面 " + idKey + " 和 " + idInKey + " 至少传其中一个！");
			}
		} else {
			if (idIn.size() > maxUpdateCount) { //不允许一次操作 maxUpdateCount 条以上记录
				throw new IllegalArgumentException(method + "请求，" + name + "/" + key
						+ " 里面的 " + idInKey + ":[] 中[]的长度不能超过 " + maxUpdateCount + " ！");
			}
			//解决 id{}: ["1' OR 1='1'))--"] 绕过id{}限制
			//new ArrayList<Long>(idIn) 不能检查类型，Java泛型擦除问题，居然能把 ["a"] 赋值进去还不报错
			for (int i = 0; i < idIn.size(); i++) {
				Object o = idIn.get(i);
				if (o == null) {
					throw new IllegalArgumentException(method + "请求，" + name + "/" + key
							+ " 里面的 " + idInKey + ":[] 中所有项都不能为 [ null, <= 0 的数字, 空字符串 \"\" ] 中任何一个 ！");
				}
				if (o instanceof Number) {
					//解决 Windows mysql-5.6.26-winx64 等低于 5.7 的 MySQL 可能 id{}: [0] 生成 id IN(0) 触发 MySQL bug 导致忽略 IN 条件
					//例如 UPDATE `apijson`.`TestRecord` SET `testAccountId` = -1 WHERE ( (`id` IN (0)) AND (`userId`= 82001) )
					if (((Number) o).longValue() <= 0) {
						throw new IllegalArgumentException(method + "请求，" + name + "/" + key
								+ " 里面的 " + idInKey + ":[] 中所有项都不能为 [ null, <= 0 的数字, 空字符串 \"\" ] 中任何一个 ！");
					}
				}
				else if (o instanceof String) {
					if (StringUtil.isEmpty(o, true)) {
						throw new IllegalArgumentException(method + "请求，" + name + "/" + key
								+ " 里面的 " + idInKey + ":[] 中所有项都不能为 [ null, <= 0 的数字, 空字符串 \"\" ] 中任何一个 ！");
					}
				}
				else {
					throw new IllegalArgumentException(method + "请求，" + name + "/" + key
							+ " 里面的 " + idInKey + ":[] 中所有项的类型都只能是 Long 或 String ！");
				}
			}
		}
	}


	/**校验并将response转换为指定的内容和结构
	 * @param method
	 * @param name
	 * @param target
	 * @param response
	 * @param idKey
	 * @param callback
	 * @param creator
	 * @return
	 * @throws Exception
	 */
	@Override
	public JSONObject verifyResponse(@NotNull final RequestMethod method, final String name
			, final JSONObject target, final JSONObject response, final String database, final String schema
			, SQLCreator creator, OnParseCallback callback) throws Exception {
		return verifyResponse(method, name, target, response, database, schema, this, creator, callback);
	}

	/**校验并将response转换为指定的内容和结构
	 * @param method
	 * @param name
	 * @param target
	 * @param response
	 * @param callback
	 * @param creator
	 * @return
	 * @throws Exception
	 */
	public static JSONObject verifyResponse(@NotNull final RequestMethod method, final String name
			, final JSONObject target, final JSONObject response, SQLCreator creator, OnParseCallback callback) throws Exception {
		return verifyResponse(method, name, target, response, null, null, null, creator, callback);
	}
	/**校验并将response转换为指定的内容和结构
	 * @param method
	 * @param name
	 * @param target
	 * @param response
	 * @param idKey
	 * @param callback
	 * @param creator
	 * @return
	 * @throws Exception
	 */
	public static <T extends Object> JSONObject verifyResponse(@NotNull final RequestMethod method, final String name
			, final JSONObject target, final JSONObject response, final String database, final String schema
			, final IdCallback<T> idKeyCallback, SQLCreator creator, OnParseCallback callback) throws Exception {

		Log.i(TAG, "verifyResponse  method = " + method  + "; name = " + name
				+ "; target = \n" + JSON.toJSONString(target)
				+ "\n response = \n" + JSON.toJSONString(response));

		if (target == null || response == null) {// || target.isEmpty() {
			Log.i(TAG, "verifyResponse  target == null || response == null >> return response;");
			return response;
		}

		//解析
		return parse(method, name, target, response, database, schema
                , idKeyCallback, creator, callback != null ? callback : new OnParseCallback() {
			@Override
			protected JSONObject onParseJSONObject(String key, JSONObject tobj, JSONObject robj) throws Exception {
				return verifyResponse(method, key, tobj, robj, database, schema, idKeyCallback, creator, callback);
			}
		});
	}


	/**对request和response不同的解析用callback返回
	 * @param method
	 * @param name
	 * @param target
	 * @param real
	 * @param creator
	 * @param callback
	 * @return
	 * @throws Exception
	 */
	public static JSONObject parse(@NotNull final RequestMethod method, String name, JSONObject target, JSONObject real
			, SQLCreator creator, @NotNull OnParseCallback callback) throws Exception {
		return parse(method, name, target, real, null, null, null, creator, callback);
	}
	/**对request和response不同的解析用callback返回
	 * @param method
	 * @param name
	 * @param target
	 * @param real
	 * @param database
	 * @param schema
	 * @param idCallback
	 * @param creator
	 * @param callback
	 * @return
	 * @throws Exception
	 */
	public static <T extends Object> JSONObject parse(@NotNull final RequestMethod method, String name
            , JSONObject target, JSONObject real, final String database, final String schema
            , final IdCallback<T> idCallback, SQLCreator creator, @NotNull OnParseCallback callback) throws Exception {
		return parse(method, name, target, real, database, schema, null, idCallback, creator, callback);
	}
	/**对request和response不同的解析用callback返回
	 * @param method
	 * @param name
	 * @param target
	 * @param real
	 * @param database
	 * @param schema
	 * @param datasource
	 * @param idCallback
	 * @param creator
	 * @param callback
	 * @return
	 * @throws Exception
	 */
	public static <T extends Object> JSONObject parse(@NotNull final RequestMethod method, String name
            , JSONObject target, JSONObject real, final String database, final String schema, final String datasource
            , final IdCallback<T> idCallback, SQLCreator creator, @NotNull OnParseCallback callback) throws Exception {
		if (target == null) {
			return null;
		}

		// 获取配置<<<<<<<<<<<<<<<<<<<<<<<<<<<<
		JSONObject type = target.getJSONObject(TYPE.name());
		JSONObject verify = target.getJSONObject(VERIFY.name());
		JSONObject insert = target.getJSONObject(INSERT.name());
		JSONObject update = target.getJSONObject(UPDATE.name());
		JSONObject replace = target.getJSONObject(REPLACE.name());

		String exist = StringUtil.getNoBlankString(target.getString(EXIST.name()));
		String unique = StringUtil.getNoBlankString(target.getString(UNIQUE.name()));
		String remove = StringUtil.getNoBlankString(target.getString(REMOVE.name()));
		String must = StringUtil.getNoBlankString(target.getString(MUST.name()));
		String refuse = StringUtil.getNoBlankString(target.getString(REFUSE.name()));


		// 移除字段<<<<<<<<<<<<<<<<<<<
		String[] removes = StringUtil.split(remove);
		if (removes != null && removes.length > 0) {
			for (String r : removes) {
				real.remove(r);
			}
		}
		// 移除字段>>>>>>>>>>>>>>>>>>>

		// 判断必要字段是否都有<<<<<<<<<<<<<<<<<<<
		String[] musts = StringUtil.split(must);
		Set<String> mustSet = new HashSet<String>();
		
		if (musts != null && musts.length > 0) {
			for (String s : musts) {
				if (real.get(s) == null) {  // 可能传null进来，这里还会通过 real.containsKey(s) == false) {
					throw new IllegalArgumentException(method + "请求，"
                            + name + " 里面不能缺少 " + s + " 等[" + must + "]内的任何字段！");
				}

				mustSet.add(s);
			}
		}
		//判断必要字段是否都有>>>>>>>>>>>>>>>>>>>


		Set<String> objKeySet = new HashSet<String>(); //不能用tableKeySet，仅判断 Table:{} 会导致 key:{ Table:{} } 绕过判断

		//解析内容<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<

		Set<Map.Entry<String, Object>> set = new LinkedHashSet<>(target.entrySet());
		if (set.isEmpty() == false) {

			String key;
			Object tvalue;
			Object rvalue;
			for (Map.Entry<String, Object> entry : set) {
				key = entry == null ? null : entry.getKey();
				if (key == null || OPERATION_KEY_LIST.contains(key)) {
					continue;
				}
				tvalue = entry.getValue();
				rvalue = real.get(key);
				if (callback.onParse(key, tvalue, rvalue) == false) {
					continue;
				}

				if (tvalue instanceof JSONObject) { //JSONObject，往下一级提取
					if (rvalue != null && rvalue instanceof JSONObject == false) {
						throw new UnsupportedDataTypeException(key + ":value 的value不合法！类型必须是 OBJECT ，结构为 {} !");
					}
					tvalue = callback.onParseJSONObject(key, (JSONObject) tvalue, (JSONObject) rvalue);

					objKeySet.add(key);
				} else if (tvalue instanceof JSONArray) { //JSONArray
					if (rvalue != null && rvalue instanceof JSONArray == false) {
						throw new UnsupportedDataTypeException(key + ":value 的value不合法！类型必须是 ARRAY ，结构为 [] !");
					}
					tvalue = callback.onParseJSONArray(key, (JSONArray) tvalue, (JSONArray) rvalue);

					if ((method == RequestMethod.POST || method == RequestMethod.PUT) && JSONRequest.isArrayKey(key)) {
						objKeySet.add(key);
					}
				} else {//其它Object
					tvalue = callback.onParseObject(key, tvalue, rvalue);
				}

				if (tvalue != null) {//可以在target中加上一些不需要客户端传的键值对
					real.put(key, tvalue);
				}
			}

		}

		//解析内容>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>



		Set<String> rkset = real.keySet(); //解析内容并没有改变rkset

		//解析不允许的字段<<<<<<<<<<<<<<<<<<<
		String[] refuses = StringUtil.split(refuse);
		Set<String> refuseSet = new HashSet<String>();

		if (refuses != null && refuses.length > 0) {
			Set<String> notRefuseSet = new HashSet<String>();

			for (String rfs : refuses) {
				if (rfs == null) {  // StringUtil.isEmpty(rfs, true) {
					continue;
				}