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·1410 lines (1232 loc) · 48.8 KB
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/*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.DISALLOW;
import static apijson.orm.Operation.EXIST;
import static apijson.orm.Operation.INSERT;
import static apijson.orm.Operation.MUST;
import static apijson.orm.Operation.NECESSARY;
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.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
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.RequestRole;
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.PgAttribute;
import apijson.orm.model.PgClass;
import apijson.orm.model.Request;
import apijson.orm.model.Response;
import apijson.orm.model.SysColumn;
import apijson.orm.model.SysTable;
import apijson.orm.model.Table;
import apijson.orm.model.Test;
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> implements Verifier<T>, IdCallback {
private static final String TAG = "AbstractVerifier";
// <TableName, <METHOD, allowRoles>>
// <User, <GET, [OWNER, ADMIN]>>
public static final Map<String, Map<RequestMethod, RequestRole[]>> SYSTEM_ACCESS_MAP;
public static final Map<String, Map<RequestMethod, RequestRole[]>> ACCESS_MAP;
public static final Map<String, Pattern> COMPILE_MAP;
static {
SYSTEM_ACCESS_MAP = new HashMap<String, Map<RequestMethod, RequestRole[]>>();
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(Request.class.getSimpleName(), getAccessMap(Request.class.getAnnotation(MethodAccess.class)));
SYSTEM_ACCESS_MAP.put(Response.class.getSimpleName(), getAccessMap(Response.class.getAnnotation(MethodAccess.class)));
SYSTEM_ACCESS_MAP.put(Test.class.getSimpleName(), getAccessMap(Test.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(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);
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, RequestRole[]> getAccessMap(MethodAccess access) {
if (access == null) {
return null;
}
HashMap<RequestMethod, RequestRole[]> 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 table) {
return apijson.JSONObject.KEY_ID;
}
@Override
public String getUserIdKey(String database, String schema, String table) {
return apijson.JSONObject.KEY_USER_ID;
}
@Override
public Object newId(RequestMethod method, String database, String schema, String table) {
return 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(noVerifyLogin, noVerifyRole)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
*/
@Deprecated
public boolean verify(SQLConfig config) throws Exception {
return verifyAccess(config);
}
/**验证权限是否通过
* @param config
* @param visitor
* @return
* @throws Exception
*/
public boolean verifyAccess(SQLConfig config) throws Exception {
String table = config == null ? null : config.getTable();
if (table == null) {
return true;
}
RequestRole role = config.getRole();
if (role == null) {
role = RequestRole.UNKNOWN;
}
if (role != RequestRole.UNKNOWN) {//未登录的角色
verifyLogin();
}
RequestMethod method = config.getMethod();
verifyRole(table, method, role);//验证允许的角色
//验证角色，假定真实强制匹配<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
String visitorIdkey = getVisitorIdKey(config);
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 (role == RequestRole.CIRCLE) {
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 = (Number) config.getWhere(visitorIdkey, true);//JSON里数值不能保证是Long，可能是Integer
JSONArray requestIdArray = (JSONArray) 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(new Long("" + 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.name() + " 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.name() + " 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.name() + " 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#noVerify，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>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
return true;
}
/**允许请求，角色不好判断，让访问者发过来角色名，OWNER,CONTACT,ADMIN等
* @param table
* @param method
* @param role
* @return
* @throws Exception
* @see {@link apijson.JSONObject#KEY_ROLE}
*/
public void verifyRole(String table, RequestMethod method, RequestRole role) throws Exception {
Log.d(TAG, "verifyRole table = " + table + "; method = " + method + "; role = " + role);
if (table != null) {
if (method == null) {
method = GET;
}
if (role == null) {
role = RequestRole.UNKNOWN;
}
Map<RequestMethod, RequestRole[]> map = ACCESS_MAP.get(table);
if (map == null || Arrays.asList(map.get(method)).contains(role) == false) {
throw new IllegalAccessException(table + " 不允许 " + role.name() + " 用户的 " + method.name() + " 请求！");
}
}
}
/**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，请登录后再操作！");
}
if (visitorId instanceof Number) {
if (((Number) visitorId).longValue() <= 0) {
throw new NotLoggedInException("未登录，请登录后再操作！");
}
}
else if (visitorId instanceof String) {
if (StringUtil.isEmpty(visitorId, true)) {
throw new NotLoggedInException("未登录，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(GET).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_CODE) > 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, Parser.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 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 idCallback, final SQLCreator creator) throws Exception {
Log.i(TAG, "verifyRequest method = " + method + "; name = " + name
+ "; class=pl-cce>\n" + JSON.toJSONString(target)
+ "\n request = \n" + JSON.toJSONString(request));
if (target == null || request == null) {// || request.isEmpty()) {
Log.i(TAG, "verifyRequest null || request == null >> return null;");
return null;
}
//已在 Verifier 中处理
// if (RequestRole.get(request.getString(JSONRequest.KEY_ROLE)) == RequestRole.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);
if (StringUtil.isEmpty(db, false)) {
db = database;
}
if (StringUtil.isEmpty(sh, false)) {
sh = schema;
}
String idKey = idCallback == null ? null : idCallback.getIdKey(db, sh, 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, 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 && o instanceof Number == false && o instanceof String == false) {
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 JSONObject verifyResponse(@NotNull final RequestMethod method, final String name
, final JSONObject target, final JSONObject response, final String database, final String schema
, final IdCallback idKeyCallback, SQLCreator creator, OnParseCallback callback) throws Exception {
Log.i(TAG, "verifyResponse method = " + method + "; name = " + name
+ "; class=pl-cce>\n" + JSON.toJSONString(target)
+ "\n response = \n" + JSON.toJSONString(response));
if (target == null || response == null) {// || target.isEmpty() {
Log.i(TAG, "verifyRequest null || response == null >> return response;");
return response;
}
//解析
return parse(method, name, target, response, database, schema, idKeyCallback, creator, callback != null ? callback : new OnParseCallback() {});
}
/**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 idKey
* @param userIdKey
* @param creator
* @param callback
* @return
* @throws Exception
*/
public static JSONObject parse(@NotNull final RequestMethod method, String name, JSONObject target, JSONObject real
, final String database, final String schema, final IdCallback 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()));
String necessary = StringUtil.getNoBlankString(target.getString(NECESSARY.name()));
String disallow = StringUtil.getNoBlankString(target.getString(DISALLOW.name()));
target.remove(TYPE.name());
target.remove(VERIFY.name());
target.remove(INSERT.name());
target.remove(UPDATE.name());
target.remove(REPLACE.name());
target.remove(EXIST.name());
target.remove(UNIQUE.name());
target.remove(REMOVE.name());
target.remove(MUST.name());
target.remove(REFUSE.name());
target.remove(NECESSARY.name());
target.remove(DISALLOW.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);
List<String> mustList = musts == null ? new ArrayList<String>() : Arrays.asList(musts);
for (String s : mustList) {
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！");
}
}
String[] necessarys = StringUtil.split(necessary);
List<String> necessaryList = necessarys == null ? new ArrayList<String>() : Arrays.asList(necessarys);
for (String s : necessaryList) {
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[" + necessary + "]内的任何字段！");
}
}
//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<Entry<String, Object>> set = new LinkedHashSet<>(target.entrySet());
if (set.isEmpty() == false) {
String key;
Object tvalue;
Object rvalue;
for (Entry<String, Object> entry : set) {
key = entry == null ? null : entry.getKey();
if (key == null) {
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<<<<<<<<<<<<<<<<<<<
List<String> refuseList = new ArrayList<String>();
if ("!".equals(refuse)) {//所有非 must，改成 !must 更好
for (String key : rkset) {//对@key放行，@role,@column,自定义@position等
if (key != null && key.startsWith("@") == false
&& necessaryList.contains(key) == false && objKeySet.contains(key) == false) {
refuseList.add(key);
}
}
} else {
String[] refuses = StringUtil.split(refuse);
if (refuses != null && refuses.length > 0) {
refuseList.addAll(Arrays.asList(refuses));
}
}
List<String> disallowList = new ArrayList<String>();
if ("!".equals(disallow)) {//所有非necessary，改成 !necessary 更好
for (String key : rkset) {//对@key放行，@role,@column,自定义@position等
if (key != null && key.startsWith("@") == false
&& necessaryList.contains(key) == false && objKeySet.contains(key) == false) {
disallowList.add(key);
}
}
} else {
String[] disallows = StringUtil.split(disallow);
if (disallows != null && disallows.length > 0) {
disallowList.addAll(Arrays.asList(disallows));
}
}
//解析不允许的字段>>>>>>>>>>>>>>>>>>>
//判断不允许传的key<<<<<<<<<<<<<<<<<<<<<<<<<
for (String rk : rkset) {
if (refuseList.contains(rk)) { //不允许的字段
throw new IllegalArgumentException(method + "请求，" + name
+ " 里面不允许传 " + rk + " 等" + StringUtil.getString(refuseList) + "内的任何字段！");
}
if (disallowList.contains(rk)) { //不允许的字段
throw new IllegalArgumentException(method + "请求，" + name
+ " 里面不允许传 " + rk + " 等" + StringUtil.getString(disallowList) + "内的任何字段！");
}
if (rk == null) { //无效的key
real.remove(rk);
continue;
}
Object rv = real.get(rk);
//不允许传远程函数，只能后端配置
if (rk.endsWith("()") && rv instanceof String) {
throw new UnsupportedOperationException(method + " 请求，" + rk + " 不合法！非开放请求不允许传远程函数 key():\"fun()\" ！");
}
//不在target内的 key:{}
if (rk.startsWith("@") == false && objKeySet.contains(rk) == false) {
if (rv instanceof JSONObject) {
throw new UnsupportedOperationException(method + " 请求，" +name + " 里面不允许传 " + rk + ":{} ！");
}
if ((method == RequestMethod.POST || method == RequestMethod.PUT) && rv instanceof JSONArray && JSONRequest.isArrayKey(rk)) {
throw new UnsupportedOperationException(method + " 请求，" + name + " 里面不允许 " + rk + ":[] 等未定义的 Table[]:[{}] 批量操作键值对！");
}
}
}
//判断不允许传的key>>>>>>>>>>>>>>>>>>>>>>>>>
//校验与修改Request<<<<<<<<<<<<<<<<<
//在tableKeySet校验后操作，避免 导致put/add进去的Table 被当成原Request的内容
real = operate(TYPE, type, real, creator);
real = operate(VERIFY, verify, real, creator);
real = operate(INSERT, insert, real, creator);
real = operate(UPDATE, update, real, creator);
real = operate(REPLACE, replace, real, creator);
//校验与修改Request>>>>>>>>>>>>>>>>>
String db = real.getString(apijson.JSONObject.KEY_DATABASE);
String sh = real.getString(apijson.JSONObject.KEY_SCHEMA);
if (StringUtil.isEmpty(db, false)) {
db = database;
}
if (StringUtil.isEmpty(sh, false)) {
sh = schema;
}
String idKey = idCallback == null ? null : idCallback.getIdKey(db, sh, name);
String finalIdKey = StringUtil.isEmpty(idKey, false) ? apijson.JSONObject.KEY_ID : idKey;
//TODO放在operate前？考虑性能、operate修改后再验证的值是否和原来一样
//校验存在<<<<<<<<<<<<<<<<<<< TODO 格式改为 id;version,tag 兼容多个字段联合主键
String[] exists = StringUtil.split(exist);
if (exists != null && exists.length > 0) {
long exceptId = real.getLongValue(finalIdKey);
for (String e : exists) {
verifyExist(name, e, real.get(e), exceptId, creator);
}
}
//校验存在>>>>>>>>>>>>>>>>>>>
//TODO放在operate前？考虑性能、operate修改后再验证的值是否和原来一样
//校验重复<<<<<<<<<<<<<<<<<<< TODO 格式改为 id;version,tag 兼容多个字段联合主键
String[] uniques = StringUtil.split(unique);
if (uniques != null && uniques.length > 0) {
long exceptId = real.getLongValue(finalIdKey);
for (String u : uniques) {
verifyRepeat(name, u, real.get(u), exceptId, finalIdKey, creator);
}
}
//校验重复>>>>>>>>>>>>>>>>>>>
//还原 <<<<<<<<<<
target.put(TYPE.name(), type);
target.put(VERIFY.name(), verify);
target.put(INSERT.name(), insert);
target.put(UPDATE.name(), update);
target.put(REPLACE.name(), replace);
target.put(EXIST.name(), exist);
target.put(UNIQUE.name(), unique);
target.put(REMOVE.name(), remove);
target.put(MUST.name(), must);
target.put(REFUSE.name(), refuse);
target.put(NECESSARY.name(), necessary);
target.put(DISALLOW.name(), disallow);
//还原 >>>>>>>>>>
Log.i(TAG, "parse return real = " + JSON.toJSONString(real));
return real;
}
/**执行操作
* @param opt
* @param targetChild
* @param real
* @param creator
* @return
* @throws Exception
*/
private static JSONObject operate(Operation opt, JSONObject targetChild, JSONObject real, SQLCreator creator) throws Exception {
if (targetChild == null) {
return real;
}
if (real == null) {
throw new IllegalArgumentException("operate real == null!!!");
}
Set<Entry<String, Object>> set = new LinkedHashSet<>(targetChild.entrySet());
String tk;
Object tv;
for (Entry<String, Object> e : set) {
tk = e == null ? null : e.getKey();
if (tk == null) {
continue;
}
tv = e.getValue();
if (opt == TYPE) {
verifyType(tk, tv, real);
}
else if (opt == VERIFY) {
verifyValue(tk, tv, real, creator);
}