TablePrivTable.java

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// 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.mysql.privilege;

import com.google.common.base.Preconditions;

/*
 * TablePrivTable saves all table level privs
 */
public class TablePrivTable extends PrivTable {

    /*
     * Return first priv which match the user@host on ctl.db.tbl The returned priv will
     * be saved in 'savedPrivs'.
     */
    public void getPrivs(String ctl, String db, String tbl, PrivBitSet savedPrivs) {
        TablePrivEntry matchedEntry = null;
        for (PrivEntry entry : entries) {
            TablePrivEntry tblPrivEntry = (TablePrivEntry) entry;
            // check catalog
            if (!tblPrivEntry.isAnyCtl() && !tblPrivEntry.getCtlPattern().match(ctl)) {
                continue;
            }

            // check db
            Preconditions.checkState(!tblPrivEntry.isAnyDb());
            if (!tblPrivEntry.getDbPattern().match(db)) {
                continue;
            }

            // check table
            if (!tblPrivEntry.getTblPattern().match(tbl)) {
                continue;
            }

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

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

    public boolean hasPrivsOfCatalog(String ctl) {
        for (PrivEntry entry : entries) {
            TablePrivEntry tblPrivEntry = (TablePrivEntry) entry;
            // check catalog
            Preconditions.checkState(!tblPrivEntry.isAnyCtl());
            if (tblPrivEntry.getCtlPattern().match(ctl)) {
                return true;
            }
        }
        return false;
    }

    public boolean hasPrivsOfDb(String ctl, String db) {
        for (PrivEntry entry : entries) {
            TablePrivEntry
                    tblPrivEntry = (TablePrivEntry) entry;

            // check catalog
            Preconditions.checkState(!tblPrivEntry.isAnyCtl());
            if (!tblPrivEntry.getCtlPattern().match(ctl)) {
                continue;
            }

            // check db
            Preconditions.checkState(!tblPrivEntry.isAnyDb());
            if (!tblPrivEntry.getDbPattern().match(db)) {
                continue;
            }

            return true;
        }
        return false;
    }

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