DbPrivTable.java

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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package org.apache.doris.mysql.privilege;

import com.google.common.base.Preconditions;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

/*
 * DbPrivTable saves all database level privs
 */
public class DbPrivTable extends PrivTable {
    private static final Logger LOG = LogManager.getLogger(DbPrivTable.class);

    /*
     * Return first priv which match the user@host on ctl.db.* The returned priv will be
     * saved in 'savedPrivs'.
     */
    public void getPrivs(String ctl, String db, PrivBitSet savedPrivs) {
        DbPrivEntry matchedEntry = null;
        for (PrivEntry entry : entries) {
            DbPrivEntry dbPrivEntry = (DbPrivEntry) entry;

            // check catalog
            if (!dbPrivEntry.isAnyCtl() && !dbPrivEntry.getCtlPattern().match(ctl)) {
                continue;
            }

            // check db
            // dbPrivEntry.getDbPattern() is always constructed by string as of form: 'xxx_db'
            if (!dbPrivEntry.isAnyDb() && !dbPrivEntry.getDbPattern().match(db) && !dbPrivEntry.getDbPattern()
                    .match(db)) {
                continue;
            }

            matchedEntry = dbPrivEntry;
            break;
        }
        if (matchedEntry == null) {
            return;
        }

        savedPrivs.or(matchedEntry.getPrivSet());
    }

    public boolean hasPrivsOfCatalog(String ctl) {
        for (PrivEntry entry : entries) {
            DbPrivEntry dbPrivEntry = (DbPrivEntry) entry;

            // check catalog
            Preconditions.checkState(!dbPrivEntry.isAnyCtl());
            if (dbPrivEntry.getCtlPattern().match(ctl)) {
                return true;
            }
        }
        return false;
    }

    public boolean hasClusterPriv(String clusterName) {
        for (PrivEntry entry : entries) {
            DbPrivEntry dbPrivEntry = (DbPrivEntry) entry;
            if (dbPrivEntry.getOrigDb().startsWith(clusterName)) {
                return true;
            }
        }
        return false;
    }
}