ShowEncryptKeysStmt.java

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// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package org.apache.doris.analysis;

import org.apache.doris.catalog.Column;
import org.apache.doris.catalog.Env;
import org.apache.doris.catalog.ScalarType;
import org.apache.doris.common.AnalysisException;
import org.apache.doris.common.ErrorCode;
import org.apache.doris.common.ErrorReport;
import org.apache.doris.common.UserException;
import org.apache.doris.mysql.privilege.PrivPredicate;
import org.apache.doris.qe.ConnectContext;
import org.apache.doris.qe.ShowResultSetMetaData;

import com.google.common.base.Strings;

public class ShowEncryptKeysStmt extends ShowStmt implements NotFallbackInParser {
    private static final ShowResultSetMetaData META_DATA =
            ShowResultSetMetaData.builder()
                    .addColumn(new Column("EncryptKey Name", ScalarType.createVarchar(20)))
                    .addColumn(new Column("EncryptKey String", ScalarType.createVarchar(1024)))
                    .build();

    private String dbName;
    private String wild;

    public ShowEncryptKeysStmt(String dbName, String wild) {
        this.dbName = dbName;
        this.wild = wild;
    }

    public String getDbName() {
        return dbName;
    }

    public String getWild() {
        return wild;
    }

    @Override
    public void analyze(Analyzer analyzer) throws AnalysisException, UserException {
        super.analyze(analyzer);
        if (Strings.isNullOrEmpty(dbName)) {
            dbName = analyzer.getDefaultDb();
            if (Strings.isNullOrEmpty(dbName)) {
                ErrorReport.reportAnalysisException(ErrorCode.ERR_NO_DB_ERROR);
            }
        }

        // check auth
        if (!Env.getCurrentEnv().getAccessManager().checkGlobalPriv(ConnectContext.get(), PrivPredicate.ADMIN)) {
            ErrorReport.reportAnalysisException(ErrorCode.ERR_SPECIFIC_ACCESS_DENIED_ERROR,
                    PrivPredicate.ADMIN.getPrivs().toString());
        }
    }

    public boolean like(String str) {
        str = str.toLowerCase();
        return str.matches(wild.replace(".", "\\.").replace("?", ".").replace("%", ".*").toLowerCase());
    }

    @Override
    public String toSql() {
        StringBuilder stringBuilder = new StringBuilder();
        stringBuilder.append("SHOW ENCRYPTKEYS FROM ");
        if (!Strings.isNullOrEmpty(dbName)) {
            stringBuilder.append("`").append(dbName).append("` ");
        }
        if (wild != null) {
            stringBuilder.append("LIKE ").append("`").append(wild).append("`");
        }
        return stringBuilder.toString();
    }

    @Override
    public String toString() {
        return toSql();
    }

    @Override
    public ShowResultSetMetaData getMetaData() {
        return META_DATA;
    }
}