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@ -12,7 +12,12 @@ from sqlalchemy.ext.asyncio import AsyncSession, create_async_engine |
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from sqlalchemy.orm import sessionmaker |
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from sqlalchemy.exc import SQLAlchemyError |
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from sqlalchemy import text |
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from config.env import AppConfig |
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import requests |
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import json |
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import re |
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from decimal import Decimal |
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class MetaSecurityService: |
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""" |
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@ -249,7 +254,7 @@ class MetaSecurityService: |
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raise e |
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else: |
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raise ServiceException(message='传入列配置ID为空') |
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@classmethod |
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async def delete_meta_security_row_services(cls, request: Request, query_db: AsyncSession, page_object: DeleteMetaSecurityModel): |
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""" |
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@ -286,54 +291,64 @@ class MetaSecurityService: |
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raise ServiceException(data='', message='用户密码错误！') |
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query_user = await UserDao.get_user_by_id(query_db, user_id=user[0].user_id) |
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role_id_list = [item.role_id for item in query_user.get('user_role_info')] |
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#2.查询用户及该用户角色下的所有行列配置 |
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# 列配置 |
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user_col_list=await MetaSecurityDao.get_api_col_list(query_db, page_object.dbRId,page_object.tableName, '0',user[0].user_id) |
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role_col_list = [] |
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for role_id in role_id_list: |
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role_cols = await MetaSecurityDao.get_api_col_list( |
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query_db, page_object.dbRId, page_object.tableName, '1', role_id |
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) |
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role_col_list.extend(role_cols) # 将每个角色的列配置合并到列表中 |
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#2.测试数据源连接是否正常 |
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# mysql |
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# dataParams ={"user":"dbf","password":"1q2w3e4r","address":"jdbc:mysql://47.113.147.166:3306","database":"dash_test_w","jdbcUrl":"jdbc:mysql://47.113.147.166:3306/dash_test_w","driverClassName":"com.mysql.cj.jdbc.Driver","validationQuery":"select 1"} |
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# postgresql |
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# dataParams ={"user":"testuser","password":"testpd","address":"jdbc:postgresql://47.121.207.11:5432","database":"zx2","jdbcUrl":"jdbc:postgresql://47.121.207.11:5432/zx2","driverClassName":"org.postgresql.Driver","validationQuery":"select version()"} |
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dsDataResource=await get_data_source_tree(request,page_object) |
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# dbConnent= cls.get_db_engine("postgresql",dataParams]) |
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dbConnent= cls.get_db_engine(dsDataResource["type"],dsDataResource["connectionParams"]) |
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#3.执行原始sql |
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result = await cls.execute_sql(dbConnent, page_object.sqlStr,"原始") |
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#4.获取sql中涉及的表名 |
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sqlTableNames =await cls.get_tables_from_sql(page_object.sqlStr) |
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#5.根据表名获取数据库中的字段名 |
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table_columns = await cls.get_columns_from_tables(dbConnent, sqlTableNames,dsDataResource["type"],) |
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# 行配置 |
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user_row_list=await MetaSecurityDao.get_api_row_list(query_db, page_object.dbRId,page_object.tableName, '0',user[0].user_id) |
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role_row_list = [] |
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for role_id in role_id_list: |
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role_rows = await MetaSecurityDao.get_api_row_list( |
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query_db, page_object.dbRId, page_object.tableName, '1', role_id |
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) |
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role_row_list.extend(role_rows) # 将每个角色的行配置合并到列表中 |
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result = { |
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"user_col_list": user_col_list, |
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"role_col_list": role_col_list, |
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"role_row_list": role_row_list, |
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"user_row_list": user_row_list |
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} |
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# return result |
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#3.根据行列配置控制原始sql |
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#4.测试数据源连接是否正常 |
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dataParams ={"user":"dbf","password":"1q2w3e4r","address":"jdbc:mysql://47.113.147.166:3306","database":"dash_test_w","jdbcUrl":"jdbc:mysql://47.113.147.166:3306/dash_test_w","driverClassName":"com.mysql.cj.jdbc.Driver","validationQuery":"select 1"} |
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dbConnent = cls.get_db_engine('mysql',dataParams) |
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query = "SELECT * FROM msq_table_constraints" |
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result = await cls.execute_sql(dbConnent, query) |
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return result |
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#5.执行原始sql |
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#6.执行控制后的sql |
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#7.执行结果 |
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#6.查询用户及该用户角色下的所有行列配置 |
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tablesRowCol = {} |
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# 遍历每个表名，获取对应的配置 |
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for table_name in sqlTableNames: |
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table_configs = await get_table_configs(query_db, page_object, user, role_id_list, table_name) |
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tablesRowCol[table_name] = table_configs |
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# 返回最终的结果字典 |
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ctrSqlDict = await generate_sql(tablesRowCol,table_columns) |
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oldStrSql= page_object.sqlStr |
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#7.根据行列配置控制原始sql |
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newStrSql =await replace_table_with_subquery(ctrSqlDict,oldStrSql) |
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#8.执行结果 |
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result = await cls.execute_sql(dbConnent, page_object.sqlStr,"控制后") |
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resultDict={ |
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"ctrlSql": newStrSql, |
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"data": result, |
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"tablesRowCol":tablesRowCol |
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} |
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return resultDict |
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def get_db_engine(db_type: str, db_params: dict): |
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try: |
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if db_type == "mysql": |
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address = db_params['address'] |
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if address.startswith("jdbc:mysql://"): |
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# 去掉 jdbc:mysql:// 部分 |
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address = address[len("jdbc:mysql://"):] |
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db_params['address'] = address |
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address = db_params['address'] |
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jdbc_prefixes = { |
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"jdbc:mysql://": len("jdbc:mysql://"), |
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"jdbc:postgresql://": len("jdbc:postgresql://") |
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} |
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# Check and remove the matching prefix |
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for prefix, length in jdbc_prefixes.items(): |
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if address.startswith(prefix): |
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address = address[length:] |
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db_params['address']=address |
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break # Once the correct prefix is found, exit the loop |
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if db_type.lower() == "mysql": |
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conn_str=f"mysql+aiomysql://{db_params['user']}:{db_params['password']}@{db_params['address']}/{db_params['database']}" |
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print(f"数据库连接字符串: {conn_str}") # 输出调试信息 |
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return create_async_engine(conn_str) |
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elif db_type == "postgresql": |
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elif db_type.lower() == "postgresql": |
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return create_async_engine(f"postgresql+asyncpg://{db_params['user']}:{db_params['password']}@{db_params['address']}/{db_params['database']}") |
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# 你可以根据需求添加更多数据库类型 |
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else: |
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@ -366,8 +381,213 @@ class MetaSecurityService: |
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# 将每一行转化为字典，键为列名 |
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result_dict = [dict(zip(columns, row)) for row in rows] |
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# # 使用 convert_decimal 处理数据 |
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# result_dict = [convert_decimal(row) for row in result_dict] |
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# 转换为 JSON 字符串 |
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return json.dumps(result_dict, ensure_ascii=False, indent=4) |
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return result_dict |
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except SQLAlchemyError as e: |
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raise RuntimeError(f"{sql_type}执行 SQL 查询时发生错误: {e}") |
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raise RuntimeError(f"{sql_type}执行 SQL 查询时发生错误: {e}") |
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async def get_tables_from_sql(sql_query:str): |
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table_pattern = r"(FROM|JOIN|INTO|UPDATE)\s+([a-zA-Z0-9_]+(?:\.[a-zA-Z0-9_]+))" |
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table_matches = re.findall(table_pattern, sql_query, re.IGNORECASE) |
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table_names = [match[1] for match in table_matches] |
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table_names = [match[1].split('.')[-1] for match in table_matches] # `split('.')[-1]` 取最后一部分，即表名 |
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return table_names |
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@classmethod |
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async def get_columns_from_tables(cls, dbConnent, table_names, db_type: str): |
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"""查询每个表的字段信息，根据数据库类型调整查询""" |
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columns = {} |
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query="" |
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for table_name in table_names: |
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if db_type.lower() == "postgresql": |
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# PostgreSQL: 使用 information_schema.columns 查询字段 |
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query= f"SELECT column_name FROM information_schema.columns WHERE table_name ='{table_name}'" |
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elif db_type.lower() == "mysql": |
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# MySQL: 使用 INFORMATION_SCHEMA.COLUMNS 查询字段 |
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query= f"SELECT COLUMN_NAME FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME ='{table_name}'" |
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else: |
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raise ValueError(f"暂不支持数据库类型: {db_type}") |
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# Execute the query for the specific table |
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result = await cls.execute_sql(dbConnent, query, "字段查询") |
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# 将结果转换为字典格式 {table_name: ['column1', 'column2', ...]} |
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columns[table_name] = [row["column_name"] for row in result] |
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return columns |
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def convert_decimal(obj): |
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if isinstance(obj, Decimal): |
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return float(obj) # 或者 str(obj) 来保留精度 |
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elif isinstance(obj, dict): |
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# 递归处理字典中的每个值 |
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return {key: convert_decimal(value) for key, value in obj.items()} |
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elif isinstance(obj, list): |
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# 递归处理列表中的每个元素 |
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return [convert_decimal(item) for item in obj] |
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return obj # 返回非 Decimal、dict 或 list 的值 |
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async def get_table_configs(query_db, page_object, user, role_id_list, table_name): |
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# 获取用户的列配置 |
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user_col_list = await MetaSecurityDao.get_api_col_list( |
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query_db, page_object.dbRId, table_name, '0', user[0].user_id |
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) |
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# 获取角色的列配置 |
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role_col_list = [] |
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for role_id in role_id_list: |
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role_cols = await MetaSecurityDao.get_api_col_list( |
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query_db, page_object.dbRId, table_name, '1', role_id |
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) |
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role_col_list.extend(role_cols) # 将每个角色的列配置合并到列表中 |
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# 获取用户的行配置 |
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user_row_list = await MetaSecurityDao.get_api_row_list( |
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query_db, page_object.dbRId, table_name, '0', user[0].user_id |
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) |
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# 获取角色的行配置 |
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role_row_list = [] |
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for role_id in role_id_list: |
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role_rows = await MetaSecurityDao.get_api_row_list( |
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query_db, page_object.dbRId, table_name, '1', role_id |
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) |
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role_row_list.extend(role_rows) # 将每个角色的行配置合并到列表中 |
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return { |
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"user_col_list": user_col_list, |
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"role_col_list": role_col_list, |
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"role_row_list": role_row_list, |
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"user_row_list": user_row_list |
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} |
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async def generate_sql(tablesRowCol:dict, table_columns:dict): |
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sql_queries = {} |
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# 1. 列控制 |
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# 遍历每个表 |
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for table_name, config in tablesRowCol.items(): |
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# 获取该表的字段名 |
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columns = {col.lower(): col for col in table_columns[table_name]} # 将字段名转为小写 |
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# 初始化 SELECT 部分：用字典存储字段名，值是 null 字段名 |
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select_columns = {col: f"null {col}" for col in columns} |
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# 处理角色列配置 |
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for col in config["role_col_list"]: |
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# If dbCName is "ALL", handle it as a special case |
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if col.dbCName == "ALL": |
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if col.ctrl_type == '0': # If ctrl_type is '0', prefix all columns with null |
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for db_column in columns: # Assuming 'user' is the table name |
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select_columns[db_column] = f"null {db_column}" # 仍然保留 null 前缀 |
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elif col.ctrl_type == '1': # If ctrl_type is '1', use actual column names |
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for db_column in columns: |
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select_columns[db_column] = db_column # 使用实际字段名 |
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else: |
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# Handle specific columns listed in dbCName |
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db_columns = [db_column.strip().lower() for db_column in col.dbCName.split(",")] |
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for db_column in db_columns: |
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db_column = db_column.strip() |
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if db_column in columns: # Check if the column exists in the table |
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if col.ctrl_type == '0': # If ctrl_type is '0', prefix with null |
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select_columns[db_column] = f"null {db_column}" # 仍然保留 null 前缀 |
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elif col.ctrl_type == '1': # If ctrl_type is '1', use actual column name |
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select_columns[db_column] = db_column # 使用实际字段名 |
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# 处理用户列配置 |
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for col in config["user_col_list"]: |
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if col.dbCName == "ALL": # 如果 dbCName 为 "ALL" |
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if col.ctrl_type == "0": # ctrlType 为 0，字符串字段 |
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for db_column in columns: # 对所有字段加上 null |
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select_columns[db_column] = f"null {db_column}" # 仍然保留 null 前缀 |
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elif col.ctrl_type == "1": # ctrlType 为 1，实际数据库字段 |
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for db_column in columns: # 使用实际字段名，不加 null |
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select_columns[db_column] = db_column # 使用实际字段名 |
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else: # 处理 dbCName 不为 "ALL" 的情况 |
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db_columns = [db_column.strip().lower() for db_column in col.dbCName.split(",")] |
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for db_column in db_columns: |
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db_column = db_column.strip() |
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if db_column in columns: |
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if col.ctrl_type == "0": |
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select_columns[db_column] = f"null {db_column}" # 仍然保留 null 前缀 |
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elif col.ctrl_type == "1": |
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select_columns[db_column] = db_column # 使用实际字段名 |
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# 生成 SQL 查询 |
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sql_queries[table_name] = f"SELECT {', '.join(select_columns.values())} FROM {table_name}" |
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# 2.行控制 |
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select_rows={} |
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# 处理角色行配置 |
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for row in config["role_row_list"]: |
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# 仅仅对固定值有效,不加行限制 |
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if row.ctrl_value == "ALL" and row.ctrl_type == '0': |
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# 控制方式 --固定值 |
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select_rows[row.dbCName] = "" |
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else: |
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if row.ctrl_type == '0': |
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# row.ctrl_value 是逗号分隔的字符串时，改为 IN 语句 |
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if "," in row.ctrl_value: |
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# 将 ctrl_value 按逗号分割，并用单引号包裹每个值 |
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values = [f"'{value.strip()}'" for value in row.ctrl_value.split(",")] |
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select_rows[row.dbCName] = f"{row.dbCName} IN ({', '.join(values)})" |
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else: |
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select_rows[row.dbCName] = f"{row.dbCName} = '{row.ctrl_value}'" |
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if row.ctrl_type == '1': |
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tab_col_value=row.ctrl_value.split(".") |
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if len(tab_col_value) != 2: |
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raise RuntimeError(f"{row.dbCName}字段控制类型为表字段,未维护正确的值") |
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select_rows[row.dbCName] = f"{row.dbCName} in (select {tab_col_value[1]} from {tab_col_value[0]})" |
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# 处理用户行配置 |
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for row in config["user_row_list"]: |
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# 仅仅对固定值有效,不加行限制 |
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if row.ctrl_value == "ALL" and row.ctrl_type == '0': |
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# 控制方式 --固定值 |
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select_rows[row.dbCName] = "" |
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else: |
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if row.ctrl_type == '0': |
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# row.obj_value 是逗号分隔的字符串时，改为 IN 语句 |
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if "," in row.ctrl_value: |
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# 将 obj_value 按逗号分割，并用单引号包裹每个值 |
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values = [f"'{value.strip()}'" for value in row.ctrl_value.split(",")] |
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select_rows[row.dbCName] = f"{row.dbCName} IN ({', '.join(values)})" |
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else: |
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select_rows[row.dbCName] = f"{row.dbCName} = '{row.ctrl_value}'" |
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if row.ctrl_type == '1': |
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tab_col_value=row.ctrl_value.split(".") |
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if len(tab_col_value) != 2: |
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raise RuntimeError(f"{row.dbCName}字段控制类型为表字段,未维护正确的值") |
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select_rows[row.dbCName] = f"{row.dbCName} in (select {tab_col_value[1]} from {tab_col_value[0]})" |
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if select_rows: |
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where_conditions = " AND ".join(select_rows.values()) |
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sql_queries[table_name] += " WHERE " + where_conditions |
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return sql_queries |
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async def replace_table_with_subquery(ctrSqlDict, oldStrSql): |
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# 遍历 ctrSqlDict 并替换 SQL 查询中的表名 |
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for table_name, subquery in ctrSqlDict.items(): |
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# 创建一个正则表达式，匹配原始 SQL 中的表名（注意大小写问题，正则会忽略大小写） |
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# 匹配类似 "模式名.tab1" 或 "tab1" 的表名 |
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|
table_name_pattern = r'\b(?:[a-zA-Z_][a-zA-Z0-9_]*\.)?' + re.escape(table_name) + r'\b' |
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|
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# 替换原始 SQL 中的表名为对应的子查询 |
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oldStrSql = re.sub(table_name_pattern, f"({subquery})", oldStrSql, flags=re.IGNORECASE) |
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return oldStrSql |
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async def get_data_source_tree(request: Request, current_user: MetaSecurityApiModel): |
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url = f'{AppConfig.ds_server_url}/dolphinscheduler/datasources/withpwdlist?pageNo=1&pageSize=100' |
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|
headers = {'dashUserName': current_user.username ,'dashPassword': current_user.password,} |
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response = requests.get(url, headers=headers) |
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|
if response.reason == 'OK': |
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|
response_text = response.text |
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|
|
data = json.loads(response_text) |
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|
|
total_list = data["data"]["totalList"] |
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|
|
# 解析 connectionParams 字符串为字典 |
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|
|
for item in total_list: |
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|
|
if item["id"]==current_user.dbRId: |
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item["connectionParams"] = json.loads(item["connectionParams"]) |
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|
|
return item |
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|
|
raise Exception(f'根据数据源ID:{current_user.dbRId}获取数据源信息失败，状态: {response.reason}') |
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else: |
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|
raise Exception(f'根据数据源ID:{current_user.dbRId}获取数据源信息失败，状态: {response.reason}') |
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