com.amazonaws.auth.policy.conditions.IpAddressCondition Maven / Gradle / Ivy
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/*
* Copyright 2010-2014 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file is distributed
* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
package com.amazonaws.auth.policy.conditions;
import java.util.Arrays;
import com.amazonaws.auth.policy.Condition;
/**
* AWS access control policy condition that allows an access control statement
* to be conditionally applied based on the comparison of the the incoming
* source IP address at the time of a request against a CIDR IP range.
*
* For more information about CIDR IP ranges, see
* http://en.wikipedia.org/wiki/CIDR_notation
*/
public class IpAddressCondition extends Condition {
/**
* Enumeration of the supported ways an IP address comparison can be evaluated.
*/
public static enum IpAddressComparisonType {
/**
* Matches an IP address against a CIDR IP range, evaluating to true if
* the IP address being tested is in the condition's specified CIDR IP
* range.
*
* For more information about CIDR IP ranges, see
* http://en.wikipedia.org/wiki/CIDR_notation
*/
IpAddress,
/** Negated form of {@link #IpAddress} */
NotIpAddress,
}
/**
* Constructs a new access policy condition that compares the source IP
* address of the incoming request to an AWS service against the specified
* CIDR range. The condition evaluates to true (meaning the policy statement
* containing it will be applied) if the incoming source IP address is
* within that range.
*
* To achieve the opposite effect (i.e. cause the condition to evaluate to
* true when the incoming source IP is not in the specified CIDR
* range) use the alternate constructor form and specify
* {@link IpAddressComparisonType#NotIpAddress}
*
* For more information about CIDR IP ranges, see
* http://en.wikipedia.org/wiki/CIDR_notation
*
* @param ipAddressRange
* The CIDR IP range involved in the policy condition.
*/
public IpAddressCondition(String ipAddressRange) {
this(IpAddressComparisonType.IpAddress, ipAddressRange);
}
/**
* Constructs a new access policy condition that compares the source IP
* address of the incoming request to an AWS service against the specified
* CIDR range. When the condition evaluates to true (i.e. when the incoming
* source IP address is within the CIDR range or not) depends on the
* specified {@link IpAddressComparisonType}.
*
* For more information about CIDR IP ranges, see
* http://en.wikipedia.org/wiki/CIDR_notation
*
* @param type
* The type of comparison to to perform.
* @param ipAddressRange
* The CIDR IP range involved in the policy condition.
*/
public IpAddressCondition(IpAddressComparisonType type, String ipAddressRange) {
super.type = type.toString();
super.conditionKey = ConditionFactory.SOURCE_IP_CONDITION_KEY;
super.values = Arrays.asList(new String[] {ipAddressRange});
}
}