com.atlassian.bamboo.specs.validators.common.InternetAddressValidator Maven / Gradle / Ivy

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package com.atlassian.bamboo.specs.validators.common;

import com.atlassian.bamboo.specs.api.exceptions.PropertiesValidationException;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.math.NumberUtils;
import org.apache.commons.validator.routines.InetAddressValidator;

public final class InternetAddressValidator {
    private InternetAddressValidator() {
    }

    public static void checkComaSeparatedIpAddressesOrCidrs(final String ipAddressesOrCidrs) throws PropertiesValidationException {
        for (final String ipAddressOrCidr : ipAddressesOrCidrs.split("\\s*,\\s*")) {
            if (StringUtils.isNotEmpty(ipAddressOrCidr) && !isIpAddressOrCidrValid(ipAddressOrCidr)) {
                throw new PropertiesValidationException(
                        String.format("Invalid coma separated IPs/CIDRs: %s, error when validating %s", ipAddressesOrCidrs, ipAddressOrCidr));
            }
        }
    }

    public static void checkIpAddressOrCidr(final String ipAddressOrCidr) throws PropertiesValidationException {
        if (!isIpAddressOrCidrValid(ipAddressOrCidr)) {
            throw new PropertiesValidationException(String.format("Invalid IP/CIDR: %s", ipAddressOrCidr));
        }
    }

    private static boolean isIpAddressOrCidrValid(final String ipAddressOrCidr) {
        final String ipAddress = StringUtils.substringBefore(ipAddressOrCidr, "/");
        final String prefixLen = StringUtils.substringAfter(ipAddressOrCidr, "/");
        if (!prefixLen.isEmpty() && !NumberUtils.isDigits(prefixLen)) {
            return false;
        }

        return InetAddressValidator.getInstance().isValid(ipAddress);
    }

}