Package com.alibaba.druid.wall

Examples of com.alibaba.druid.wall.WallContext

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    }

    @Override
    public boolean visit(Limit x) {
        if (x.getRowCount() instanceof SQLNumericLiteralExpr) {
            WallContext context = WallContext.current();

            int rowCount = ((SQLNumericLiteralExpr) x.getRowCount()).getNumber().intValue();
            if (rowCount == 0) {
                if (context != null) {
                    context.incrementWarnings();
                }

                if (!provider.getConfig().isLimitZeroAllow()) {
                    this.getViolations().add(new IllegalSQLObjectViolation(ErrorCode.LIMIT_ZERO, "limit row 0",
                                                                           this.toSQL(x)));
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    }

    @Override
    public boolean visit(MySqlShowCreateTableStatement x) {
        String tableName = ((SQLName) x.getName()).getSimpleName();
        WallContext context = WallContext.current();
        if (context != null) {
            WallSqlTableStat tableStat = context.getTableStat(tableName);
            if (tableStat != null) {
                tableStat.incrementShowCount();
            }
        }
        return false;
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        return true;
    }

    public static void check(WallVisitor visitor, SQLCreateTableStatement x) {
        String tableName = ((SQLName) x.getName()).getSimpleName();
        WallContext context = WallContext.current();
        if (context != null) {
            WallSqlTableStat tableStat = context.getTableStat(tableName);
            if (tableStat != null) {
                tableStat.incrementCreateCount();
            }
        }
    }
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        }
    }

    public static void check(WallVisitor visitor, SQLAlterTableStatement x) {
        String tableName = ((SQLName) x.getName()).getSimpleName();
        WallContext context = WallContext.current();
        if (context != null) {
            WallSqlTableStat tableStat = context.getTableStat(tableName);
            if (tableStat != null) {
                tableStat.incrementAlterCount();
            }
        }
    }
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    public static void check(WallVisitor visitor, SQLDropTableStatement x) {
        for (SQLTableSource item : x.getTableSources()) {
            if (item instanceof SQLExprTableSource) {
                SQLExpr expr = ((SQLExprTableSource) item).getExpr();
                String tableName = ((SQLName) expr).getSimpleName();
                WallContext context = WallContext.current();
                if (context != null) {
                    WallSqlTableStat tableStat = context.getTableStat(tableName);
                    if (tableStat != null) {
                        tableStat.incrementDropCount();
                    }
                }
            }
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            hasUsing = ((MySqlDeleteStatement) x).getUsing() != null;
        }

        boolean isJoinTableSource = x.getTableSource() instanceof SQLJoinTableSource;
        if (x.getWhere() == null && (!hasUsing) && !isJoinTableSource) {
            WallContext context = WallContext.current();
            if (context != null) {
                context.incrementDeleteNoneConditionWarnings();
            }

            if (config.isDeleteWhereNoneCheck()) {
                addViolation(visitor, ErrorCode.NONE_CONDITION, "delete none condition not allow", x);
                return;
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            return;
        }

        SQLExpr where = x.getWhere();
        if (where == null) {
            WallContext context = WallContext.current();
            if (context != null) {
                context.incrementUpdateNoneConditionWarnings();
            }

            if (config.isUpdateWhereNoneCheck()) {
                if (x instanceof MySqlUpdateStatement) {
                    MySqlUpdateStatement mysqlUpdate = (MySqlUpdateStatement) x;
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        if (x.getOperator() == SQLBinaryOperator.Like && leftResult instanceof String && leftResult.equals(rightResult)) {
            addViolation(visitor, ErrorCode.SAME_CONST_LIKE, "same const like", x);
        }

        if (x.getOperator() == SQLBinaryOperator.Like || x.getOperator() == SQLBinaryOperator.NotLike) {
            WallContext context = WallContext.current();
            if (context != null) {
                if (rightResult instanceof Number || leftResult instanceof Number) {
                    context.incrementLikeNumberWarnings();
                }
            }
        }

        String dbType = null;
        WallContext wallContext = WallContext.current();
        if (wallContext != null) {
            dbType = wallContext.getDbType();
        }

        return eval(visitor, dbType, x, Collections.emptyList());
    }
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        try {
            wallConditionContextLocal.set(new WallConditionContext());
            final Object value = getValue(visitor, x);

            final WallConditionContext current = wallConditionContextLocal.get();
            WallContext context = WallContext.current();
            if (context != null) {
                if (current.hasPartAlwayTrue() || Boolean.TRUE == value) {
                    if (!isFirst(x)) {
                        context.incrementWarnings();
                    }
                }
            }

            if (current.hasPartAlwayTrue() && alwayTrueCheck && !visitor.getConfig().isConditionAndAlwayTrueAllow()) {
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            return;
        }

        String methodName = x.getMethodName().toLowerCase();

        WallContext context = WallContext.current();
        if (context != null) {
            context.incrementFunctionInvoke(methodName);
        }

        if (!visitor.getProvider().checkDenyFunction(methodName)) {
            boolean isTopNoneFrom = isTopNoneFromSelect(visitor, x);
            if (isTopNoneFrom) {
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Related Classes of com.alibaba.druid.wall.WallContext

  • com.alibaba.druid.wall.spi.MySqlWallVisitor
  • com.alibaba.druid.wall.spi.WallVisitorUtils
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