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The AWS Java SDK for AWS WAF Service module holds the client classes that are used for communicating with AWS WAF Service

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/*
 * Copyright 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 software.amazon.awssdk.services.waf.model;

import java.io.Serializable;
import java.nio.ByteBuffer;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import java.util.Optional;
import java.util.function.BiConsumer;
import java.util.function.Consumer;
import java.util.function.Function;
import software.amazon.awssdk.annotations.Generated;
import software.amazon.awssdk.core.SdkBytes;
import software.amazon.awssdk.core.SdkField;
import software.amazon.awssdk.core.SdkPojo;
import software.amazon.awssdk.core.protocol.MarshallLocation;
import software.amazon.awssdk.core.protocol.MarshallingType;
import software.amazon.awssdk.core.traits.LocationTrait;
import software.amazon.awssdk.utils.ToString;
import software.amazon.awssdk.utils.builder.CopyableBuilder;
import software.amazon.awssdk.utils.builder.ToCopyableBuilder;

/**
 * 
 * 

* This is AWS WAF Classic documentation. For more information, see AWS WAF Classic in the * developer guide. *

*

* For the latest version of AWS WAF, use the AWS WAFV2 API and see the AWS WAF Developer Guide. With the * latest version, AWS WAF has a single set of endpoints for regional and global use. *

*
*

* The bytes (typically a string that corresponds with ASCII characters) that you want AWS WAF to search for in web * requests, the location in requests that you want AWS WAF to search, and other settings. *

*/ @Generated("software.amazon.awssdk:codegen") public final class ByteMatchTuple implements SdkPojo, Serializable, ToCopyableBuilder { private static final SdkField FIELD_TO_MATCH_FIELD = SdkField. builder(MarshallingType.SDK_POJO) .memberName("FieldToMatch").getter(getter(ByteMatchTuple::fieldToMatch)).setter(setter(Builder::fieldToMatch)) .constructor(FieldToMatch::builder) .traits(LocationTrait.builder().location(MarshallLocation.PAYLOAD).locationName("FieldToMatch").build()).build(); private static final SdkField TARGET_STRING_FIELD = SdkField. builder(MarshallingType.SDK_BYTES) .memberName("TargetString").getter(getter(ByteMatchTuple::targetString)).setter(setter(Builder::targetString)) .traits(LocationTrait.builder().location(MarshallLocation.PAYLOAD).locationName("TargetString").build()).build(); private static final SdkField TEXT_TRANSFORMATION_FIELD = SdkField. builder(MarshallingType.STRING) .memberName("TextTransformation").getter(getter(ByteMatchTuple::textTransformationAsString)) .setter(setter(Builder::textTransformation)) .traits(LocationTrait.builder().location(MarshallLocation.PAYLOAD).locationName("TextTransformation").build()) .build(); private static final SdkField POSITIONAL_CONSTRAINT_FIELD = SdkField. builder(MarshallingType.STRING) .memberName("PositionalConstraint").getter(getter(ByteMatchTuple::positionalConstraintAsString)) .setter(setter(Builder::positionalConstraint)) .traits(LocationTrait.builder().location(MarshallLocation.PAYLOAD).locationName("PositionalConstraint").build()) .build(); private static final List> SDK_FIELDS = Collections.unmodifiableList(Arrays.asList(FIELD_TO_MATCH_FIELD, TARGET_STRING_FIELD, TEXT_TRANSFORMATION_FIELD, POSITIONAL_CONSTRAINT_FIELD)); private static final long serialVersionUID = 1L; private final FieldToMatch fieldToMatch; private final SdkBytes targetString; private final String textTransformation; private final String positionalConstraint; private ByteMatchTuple(BuilderImpl builder) { this.fieldToMatch = builder.fieldToMatch; this.targetString = builder.targetString; this.textTransformation = builder.textTransformation; this.positionalConstraint = builder.positionalConstraint; } /** *

* The part of a web request that you want AWS WAF to search, such as a specified header or a query string. For more * information, see FieldToMatch. *

* * @return The part of a web request that you want AWS WAF to search, such as a specified header or a query string. * For more information, see FieldToMatch. */ public final FieldToMatch fieldToMatch() { return fieldToMatch; } /** *

* The value that you want AWS WAF to search for. AWS WAF searches for the specified string in the part of web * requests that you specified in FieldToMatch. The maximum length of the value is 50 bytes. *

*

* Valid values depend on the values that you specified for FieldToMatch: *

*
    *
  • *

    * HEADER: The value that you want AWS WAF to search for in the request header that you specified in * FieldToMatch, for example, the value of the User-Agent or Referer header. *

    *
  • *
  • *

    * METHOD: The HTTP method, which indicates the type of operation specified in the request. CloudFront * supports the following methods: DELETE, GET, HEAD, OPTIONS, * PATCH, POST, and PUT. *

    *
  • *
  • *

    * QUERY_STRING: The value that you want AWS WAF to search for in the query string, which is the part * of a URL that appears after a ? character. *

    *
  • *
  • *

    * URI: The value that you want AWS WAF to search for in the part of a URL that identifies a resource, * for example, /images/daily-ad.jpg. *

    *
  • *
  • *

    * BODY: The part of a request that contains any additional data that you want to send to your web * server as the HTTP request body, such as data from a form. The request body immediately follows the request * headers. Note that only the first 8192 bytes of the request body are forwarded to AWS WAF for * inspection. To allow or block requests based on the length of the body, you can create a size constraint set. For * more information, see CreateSizeConstraintSet. *

    *
  • *
  • *

    * SINGLE_QUERY_ARG: The parameter in the query string that you will inspect, such as UserName * or SalesRegion. The maximum length for SINGLE_QUERY_ARG is 30 characters. *

    *
  • *
  • *

    * ALL_QUERY_ARGS: Similar to SINGLE_QUERY_ARG, but instead of inspecting a single * parameter, AWS WAF inspects all parameters within the query string for the value or regex pattern that you * specify in TargetString. *

    *
  • *
*

* If TargetString includes alphabetic characters A-Z and a-z, note that the value is case sensitive. *

*

* If you're using the AWS WAF API *

*

* Specify a base64-encoded version of the value. The maximum length of the value before you base64-encode it is 50 * bytes. *

*

* For example, suppose the value of Type is HEADER and the value of Data is * User-Agent. If you want to search the User-Agent header for the value * BadBot, you base64-encode BadBot using MIME base64-encoding and include the resulting * value, QmFkQm90, in the value of TargetString. *

*

* If you're using the AWS CLI or one of the AWS SDKs *

*

* The value that you want AWS WAF to search for. The SDK automatically base64 encodes the value. *

* * @return The value that you want AWS WAF to search for. AWS WAF searches for the specified string in the part of * web requests that you specified in FieldToMatch. The maximum length of the value is 50 * bytes.

*

* Valid values depend on the values that you specified for FieldToMatch: *

*
    *
  • *

    * HEADER: The value that you want AWS WAF to search for in the request header that you * specified in FieldToMatch, for example, the value of the User-Agent or * Referer header. *

    *
  • *
  • *

    * METHOD: The HTTP method, which indicates the type of operation specified in the request. * CloudFront supports the following methods: DELETE, GET, HEAD, * OPTIONS, PATCH, POST, and PUT. *

    *
  • *
  • *

    * QUERY_STRING: The value that you want AWS WAF to search for in the query string, which is * the part of a URL that appears after a ? character. *

    *
  • *
  • *

    * URI: The value that you want AWS WAF to search for in the part of a URL that identifies a * resource, for example, /images/daily-ad.jpg. *

    *
  • *
  • *

    * BODY: The part of a request that contains any additional data that you want to send to your * web server as the HTTP request body, such as data from a form. The request body immediately follows the * request headers. Note that only the first 8192 bytes of the request body are forwarded to * AWS WAF for inspection. To allow or block requests based on the length of the body, you can create a size * constraint set. For more information, see CreateSizeConstraintSet. *

    *
  • *
  • *

    * SINGLE_QUERY_ARG: The parameter in the query string that you will inspect, such as * UserName or SalesRegion. The maximum length for SINGLE_QUERY_ARG is 30 * characters. *

    *
  • *
  • *

    * ALL_QUERY_ARGS: Similar to SINGLE_QUERY_ARG, but instead of inspecting a single * parameter, AWS WAF inspects all parameters within the query string for the value or regex pattern that * you specify in TargetString. *

    *
  • *
*

* If TargetString includes alphabetic characters A-Z and a-z, note that the value is case * sensitive. *

*

* If you're using the AWS WAF API *

*

* Specify a base64-encoded version of the value. The maximum length of the value before you base64-encode * it is 50 bytes. *

*

* For example, suppose the value of Type is HEADER and the value of * Data is User-Agent. If you want to search the User-Agent header * for the value BadBot, you base64-encode BadBot using MIME base64-encoding and * include the resulting value, QmFkQm90, in the value of TargetString. *

*

* If you're using the AWS CLI or one of the AWS SDKs *

*

* The value that you want AWS WAF to search for. The SDK automatically base64 encodes the value. */ public final SdkBytes targetString() { return targetString; } /** *

* Text transformations eliminate some of the unusual formatting that attackers use in web requests in an effort to * bypass AWS WAF. If you specify a transformation, AWS WAF performs the transformation on FieldToMatch * before inspecting it for a match. *

*

* You can only specify a single type of TextTransformation. *

*

* CMD_LINE *

*

* When you're concerned that attackers are injecting an operating system command line command and using unusual * formatting to disguise some or all of the command, use this option to perform the following transformations: *

*
    *
  • *

    * Delete the following characters: \ " ' ^ *

    *
  • *
  • *

    * Delete spaces before the following characters: / ( *

    *
  • *
  • *

    * Replace the following characters with a space: , ; *

    *
  • *
  • *

    * Replace multiple spaces with one space *

    *
  • *
  • *

    * Convert uppercase letters (A-Z) to lowercase (a-z) *

    *
  • *
*

* COMPRESS_WHITE_SPACE *

*

* Use this option to replace the following characters with a space character (decimal 32): *

*
    *
  • *

    * \f, formfeed, decimal 12 *

    *
  • *
  • *

    * \t, tab, decimal 9 *

    *
  • *
  • *

    * \n, newline, decimal 10 *

    *
  • *
  • *

    * \r, carriage return, decimal 13 *

    *
  • *
  • *

    * \v, vertical tab, decimal 11 *

    *
  • *
  • *

    * non-breaking space, decimal 160 *

    *
  • *
*

* COMPRESS_WHITE_SPACE also replaces multiple spaces with one space. *

*

* HTML_ENTITY_DECODE *

*

* Use this option to replace HTML-encoded characters with unencoded characters. HTML_ENTITY_DECODE * performs the following operations: *

*
    *
  • *

    * Replaces (ampersand)quot; with " *

    *
  • *
  • *

    * Replaces (ampersand)nbsp; with a non-breaking space, decimal 160 *

    *
  • *
  • *

    * Replaces (ampersand)lt; with a "less than" symbol *

    *
  • *
  • *

    * Replaces (ampersand)gt; with > *

    *
  • *
  • *

    * Replaces characters that are represented in hexadecimal format, (ampersand)#xhhhh;, with the * corresponding characters *

    *
  • *
  • *

    * Replaces characters that are represented in decimal format, (ampersand)#nnnn;, with the * corresponding characters *

    *
  • *
*

* LOWERCASE *

*

* Use this option to convert uppercase letters (A-Z) to lowercase (a-z). *

*

* URL_DECODE *

*

* Use this option to decode a URL-encoded value. *

*

* NONE *

*

* Specify NONE if you don't want to perform any text transformations. *

*

* If the service returns an enum value that is not available in the current SDK version, * {@link #textTransformation} will return {@link TextTransformation#UNKNOWN_TO_SDK_VERSION}. The raw value returned * by the service is available from {@link #textTransformationAsString}. *

* * @return Text transformations eliminate some of the unusual formatting that attackers use in web requests in an * effort to bypass AWS WAF. If you specify a transformation, AWS WAF performs the transformation on * FieldToMatch before inspecting it for a match.

*

* You can only specify a single type of TextTransformation. *

*

* CMD_LINE *

*

* When you're concerned that attackers are injecting an operating system command line command and using * unusual formatting to disguise some or all of the command, use this option to perform the following * transformations: *

*
    *
  • *

    * Delete the following characters: \ " ' ^ *

    *
  • *
  • *

    * Delete spaces before the following characters: / ( *

    *
  • *
  • *

    * Replace the following characters with a space: , ; *

    *
  • *
  • *

    * Replace multiple spaces with one space *

    *
  • *
  • *

    * Convert uppercase letters (A-Z) to lowercase (a-z) *

    *
  • *
*

* COMPRESS_WHITE_SPACE *

*

* Use this option to replace the following characters with a space character (decimal 32): *

*
    *
  • *

    * \f, formfeed, decimal 12 *

    *
  • *
  • *

    * \t, tab, decimal 9 *

    *
  • *
  • *

    * \n, newline, decimal 10 *

    *
  • *
  • *

    * \r, carriage return, decimal 13 *

    *
  • *
  • *

    * \v, vertical tab, decimal 11 *

    *
  • *
  • *

    * non-breaking space, decimal 160 *

    *
  • *
*

* COMPRESS_WHITE_SPACE also replaces multiple spaces with one space. *

*

* HTML_ENTITY_DECODE *

*

* Use this option to replace HTML-encoded characters with unencoded characters. * HTML_ENTITY_DECODE performs the following operations: *

*
    *
  • *

    * Replaces (ampersand)quot; with " *

    *
  • *
  • *

    * Replaces (ampersand)nbsp; with a non-breaking space, decimal 160 *

    *
  • *
  • *

    * Replaces (ampersand)lt; with a "less than" symbol *

    *
  • *
  • *

    * Replaces (ampersand)gt; with > *

    *
  • *
  • *

    * Replaces characters that are represented in hexadecimal format, (ampersand)#xhhhh;, with the * corresponding characters *

    *
  • *
  • *

    * Replaces characters that are represented in decimal format, (ampersand)#nnnn;, with the * corresponding characters *

    *
  • *
*

* LOWERCASE *

*

* Use this option to convert uppercase letters (A-Z) to lowercase (a-z). *

*

* URL_DECODE *

*

* Use this option to decode a URL-encoded value. *

*

* NONE *

*

* Specify NONE if you don't want to perform any text transformations. * @see TextTransformation */ public final TextTransformation textTransformation() { return TextTransformation.fromValue(textTransformation); } /** *

* Text transformations eliminate some of the unusual formatting that attackers use in web requests in an effort to * bypass AWS WAF. If you specify a transformation, AWS WAF performs the transformation on FieldToMatch * before inspecting it for a match. *

*

* You can only specify a single type of TextTransformation. *

*

* CMD_LINE *

*

* When you're concerned that attackers are injecting an operating system command line command and using unusual * formatting to disguise some or all of the command, use this option to perform the following transformations: *

*
    *
  • *

    * Delete the following characters: \ " ' ^ *

    *
  • *
  • *

    * Delete spaces before the following characters: / ( *

    *
  • *
  • *

    * Replace the following characters with a space: , ; *

    *
  • *
  • *

    * Replace multiple spaces with one space *

    *
  • *
  • *

    * Convert uppercase letters (A-Z) to lowercase (a-z) *

    *
  • *
*

* COMPRESS_WHITE_SPACE *

*

* Use this option to replace the following characters with a space character (decimal 32): *

*
    *
  • *

    * \f, formfeed, decimal 12 *

    *
  • *
  • *

    * \t, tab, decimal 9 *

    *
  • *
  • *

    * \n, newline, decimal 10 *

    *
  • *
  • *

    * \r, carriage return, decimal 13 *

    *
  • *
  • *

    * \v, vertical tab, decimal 11 *

    *
  • *
  • *

    * non-breaking space, decimal 160 *

    *
  • *
*

* COMPRESS_WHITE_SPACE also replaces multiple spaces with one space. *

*

* HTML_ENTITY_DECODE *

*

* Use this option to replace HTML-encoded characters with unencoded characters. HTML_ENTITY_DECODE * performs the following operations: *

*
    *
  • *

    * Replaces (ampersand)quot; with " *

    *
  • *
  • *

    * Replaces (ampersand)nbsp; with a non-breaking space, decimal 160 *

    *
  • *
  • *

    * Replaces (ampersand)lt; with a "less than" symbol *

    *
  • *
  • *

    * Replaces (ampersand)gt; with > *

    *
  • *
  • *

    * Replaces characters that are represented in hexadecimal format, (ampersand)#xhhhh;, with the * corresponding characters *

    *
  • *
  • *

    * Replaces characters that are represented in decimal format, (ampersand)#nnnn;, with the * corresponding characters *

    *
  • *
*

* LOWERCASE *

*

* Use this option to convert uppercase letters (A-Z) to lowercase (a-z). *

*

* URL_DECODE *

*

* Use this option to decode a URL-encoded value. *

*

* NONE *

*

* Specify NONE if you don't want to perform any text transformations. *

*

* If the service returns an enum value that is not available in the current SDK version, * {@link #textTransformation} will return {@link TextTransformation#UNKNOWN_TO_SDK_VERSION}. The raw value returned * by the service is available from {@link #textTransformationAsString}. *

* * @return Text transformations eliminate some of the unusual formatting that attackers use in web requests in an * effort to bypass AWS WAF. If you specify a transformation, AWS WAF performs the transformation on * FieldToMatch before inspecting it for a match.

*

* You can only specify a single type of TextTransformation. *

*

* CMD_LINE *

*

* When you're concerned that attackers are injecting an operating system command line command and using * unusual formatting to disguise some or all of the command, use this option to perform the following * transformations: *

*
    *
  • *

    * Delete the following characters: \ " ' ^ *

    *
  • *
  • *

    * Delete spaces before the following characters: / ( *

    *
  • *
  • *

    * Replace the following characters with a space: , ; *

    *
  • *
  • *

    * Replace multiple spaces with one space *

    *
  • *
  • *

    * Convert uppercase letters (A-Z) to lowercase (a-z) *

    *
  • *
*

* COMPRESS_WHITE_SPACE *

*

* Use this option to replace the following characters with a space character (decimal 32): *

*
    *
  • *

    * \f, formfeed, decimal 12 *

    *
  • *
  • *

    * \t, tab, decimal 9 *

    *
  • *
  • *

    * \n, newline, decimal 10 *

    *
  • *
  • *

    * \r, carriage return, decimal 13 *

    *
  • *
  • *

    * \v, vertical tab, decimal 11 *

    *
  • *
  • *

    * non-breaking space, decimal 160 *

    *
  • *
*

* COMPRESS_WHITE_SPACE also replaces multiple spaces with one space. *

*

* HTML_ENTITY_DECODE *

*

* Use this option to replace HTML-encoded characters with unencoded characters. * HTML_ENTITY_DECODE performs the following operations: *

*
    *
  • *

    * Replaces (ampersand)quot; with " *

    *
  • *
  • *

    * Replaces (ampersand)nbsp; with a non-breaking space, decimal 160 *

    *
  • *
  • *

    * Replaces (ampersand)lt; with a "less than" symbol *

    *
  • *
  • *

    * Replaces (ampersand)gt; with > *

    *
  • *
  • *

    * Replaces characters that are represented in hexadecimal format, (ampersand)#xhhhh;, with the * corresponding characters *

    *
  • *
  • *

    * Replaces characters that are represented in decimal format, (ampersand)#nnnn;, with the * corresponding characters *

    *
  • *
*

* LOWERCASE *

*

* Use this option to convert uppercase letters (A-Z) to lowercase (a-z). *

*

* URL_DECODE *

*

* Use this option to decode a URL-encoded value. *

*

* NONE *

*

* Specify NONE if you don't want to perform any text transformations. * @see TextTransformation */ public final String textTransformationAsString() { return textTransformation; } /** *

* Within the portion of a web request that you want to search (for example, in the query string, if any), specify * where you want AWS WAF to search. Valid values include the following: *

*

* CONTAINS *

*

* The specified part of the web request must include the value of TargetString, but the location * doesn't matter. *

*

* CONTAINS_WORD *

*

* The specified part of the web request must include the value of TargetString, and * TargetString must contain only alphanumeric characters or underscore (A-Z, a-z, 0-9, or _). In * addition, TargetString must be a word, which means one of the following: *

*
    *
  • *

    * TargetString exactly matches the value of the specified part of the web request, such as the value * of a header. *

    *
  • *
  • *

    * TargetString is at the beginning of the specified part of the web request and is followed by a * character other than an alphanumeric character or underscore (_), for example, BadBot;. *

    *
  • *
  • *

    * TargetString is at the end of the specified part of the web request and is preceded by a character * other than an alphanumeric character or underscore (_), for example, ;BadBot. *

    *
  • *
  • *

    * TargetString is in the middle of the specified part of the web request and is preceded and followed * by characters other than alphanumeric characters or underscore (_), for example, -BadBot;. *

    *
  • *
*

* EXACTLY *

*

* The value of the specified part of the web request must exactly match the value of TargetString. *

*

* STARTS_WITH *

*

* The value of TargetString must appear at the beginning of the specified part of the web request. *

*

* ENDS_WITH *

*

* The value of TargetString must appear at the end of the specified part of the web request. *

*

* If the service returns an enum value that is not available in the current SDK version, * {@link #positionalConstraint} will return {@link PositionalConstraint#UNKNOWN_TO_SDK_VERSION}. The raw value * returned by the service is available from {@link #positionalConstraintAsString}. *

* * @return Within the portion of a web request that you want to search (for example, in the query string, if any), * specify where you want AWS WAF to search. Valid values include the following:

*

* CONTAINS *

*

* The specified part of the web request must include the value of TargetString, but the * location doesn't matter. *

*

* CONTAINS_WORD *

*

* The specified part of the web request must include the value of TargetString, and * TargetString must contain only alphanumeric characters or underscore (A-Z, a-z, 0-9, or _). * In addition, TargetString must be a word, which means one of the following: *

*
    *
  • *

    * TargetString exactly matches the value of the specified part of the web request, such as the * value of a header. *

    *
  • *
  • *

    * TargetString is at the beginning of the specified part of the web request and is followed by * a character other than an alphanumeric character or underscore (_), for example, BadBot;. *

    *
  • *
  • *

    * TargetString is at the end of the specified part of the web request and is preceded by a * character other than an alphanumeric character or underscore (_), for example, ;BadBot. *

    *
  • *
  • *

    * TargetString is in the middle of the specified part of the web request and is preceded and * followed by characters other than alphanumeric characters or underscore (_), for example, * -BadBot;. *

    *
  • *
*

* EXACTLY *

*

* The value of the specified part of the web request must exactly match the value of * TargetString. *

*

* STARTS_WITH *

*

* The value of TargetString must appear at the beginning of the specified part of the web * request. *

*

* ENDS_WITH *

*

* The value of TargetString must appear at the end of the specified part of the web request. * @see PositionalConstraint */ public final PositionalConstraint positionalConstraint() { return PositionalConstraint.fromValue(positionalConstraint); } /** *

* Within the portion of a web request that you want to search (for example, in the query string, if any), specify * where you want AWS WAF to search. Valid values include the following: *

*

* CONTAINS *

*

* The specified part of the web request must include the value of TargetString, but the location * doesn't matter. *

*

* CONTAINS_WORD *

*

* The specified part of the web request must include the value of TargetString, and * TargetString must contain only alphanumeric characters or underscore (A-Z, a-z, 0-9, or _). In * addition, TargetString must be a word, which means one of the following: *

*
    *
  • *

    * TargetString exactly matches the value of the specified part of the web request, such as the value * of a header. *

    *
  • *
  • *

    * TargetString is at the beginning of the specified part of the web request and is followed by a * character other than an alphanumeric character or underscore (_), for example, BadBot;. *

    *
  • *
  • *

    * TargetString is at the end of the specified part of the web request and is preceded by a character * other than an alphanumeric character or underscore (_), for example, ;BadBot. *

    *
  • *
  • *

    * TargetString is in the middle of the specified part of the web request and is preceded and followed * by characters other than alphanumeric characters or underscore (_), for example, -BadBot;. *

    *
  • *
*

* EXACTLY *

*

* The value of the specified part of the web request must exactly match the value of TargetString. *

*

* STARTS_WITH *

*

* The value of TargetString must appear at the beginning of the specified part of the web request. *

*

* ENDS_WITH *

*

* The value of TargetString must appear at the end of the specified part of the web request. *

*

* If the service returns an enum value that is not available in the current SDK version, * {@link #positionalConstraint} will return {@link PositionalConstraint#UNKNOWN_TO_SDK_VERSION}. The raw value * returned by the service is available from {@link #positionalConstraintAsString}. *

* * @return Within the portion of a web request that you want to search (for example, in the query string, if any), * specify where you want AWS WAF to search. Valid values include the following:

*

* CONTAINS *

*

* The specified part of the web request must include the value of TargetString, but the * location doesn't matter. *

*

* CONTAINS_WORD *

*

* The specified part of the web request must include the value of TargetString, and * TargetString must contain only alphanumeric characters or underscore (A-Z, a-z, 0-9, or _). * In addition, TargetString must be a word, which means one of the following: *

*
    *
  • *

    * TargetString exactly matches the value of the specified part of the web request, such as the * value of a header. *

    *
  • *
  • *

    * TargetString is at the beginning of the specified part of the web request and is followed by * a character other than an alphanumeric character or underscore (_), for example, BadBot;. *

    *
  • *
  • *

    * TargetString is at the end of the specified part of the web request and is preceded by a * character other than an alphanumeric character or underscore (_), for example, ;BadBot. *

    *
  • *
  • *

    * TargetString is in the middle of the specified part of the web request and is preceded and * followed by characters other than alphanumeric characters or underscore (_), for example, * -BadBot;. *

    *
  • *
*

* EXACTLY *

*

* The value of the specified part of the web request must exactly match the value of * TargetString. *

*

* STARTS_WITH *

*

* The value of TargetString must appear at the beginning of the specified part of the web * request. *

*

* ENDS_WITH *

*

* The value of TargetString must appear at the end of the specified part of the web request. * @see PositionalConstraint */ public final String positionalConstraintAsString() { return positionalConstraint; } @Override public Builder toBuilder() { return new BuilderImpl(this); } public static Builder builder() { return new BuilderImpl(); } public static Class serializableBuilderClass() { return BuilderImpl.class; } @Override public final int hashCode() { int hashCode = 1; hashCode = 31 * hashCode + Objects.hashCode(fieldToMatch()); hashCode = 31 * hashCode + Objects.hashCode(targetString()); hashCode = 31 * hashCode + Objects.hashCode(textTransformationAsString()); hashCode = 31 * hashCode + Objects.hashCode(positionalConstraintAsString()); return hashCode; } @Override public final boolean equals(Object obj) { return equalsBySdkFields(obj); } @Override public final boolean equalsBySdkFields(Object obj) { if (this == obj) { return true; } if (obj == null) { return false; } if (!(obj instanceof ByteMatchTuple)) { return false; } ByteMatchTuple other = (ByteMatchTuple) obj; return Objects.equals(fieldToMatch(), other.fieldToMatch()) && Objects.equals(targetString(), other.targetString()) && Objects.equals(textTransformationAsString(), other.textTransformationAsString()) && Objects.equals(positionalConstraintAsString(), other.positionalConstraintAsString()); } /** * Returns a string representation of this object. This is useful for testing and debugging. Sensitive data will be * redacted from this string using a placeholder value. */ @Override public final String toString() { return ToString.builder("ByteMatchTuple").add("FieldToMatch", fieldToMatch()).add("TargetString", targetString()) .add("TextTransformation", textTransformationAsString()) .add("PositionalConstraint", positionalConstraintAsString()).build(); } public final Optional getValueForField(String fieldName, Class clazz) { switch (fieldName) { case "FieldToMatch": return Optional.ofNullable(clazz.cast(fieldToMatch())); case "TargetString": return Optional.ofNullable(clazz.cast(targetString())); case "TextTransformation": return Optional.ofNullable(clazz.cast(textTransformationAsString())); case "PositionalConstraint": return Optional.ofNullable(clazz.cast(positionalConstraintAsString())); default: return Optional.empty(); } } @Override public final List> sdkFields() { return SDK_FIELDS; } private static Function getter(Function g) { return obj -> g.apply((ByteMatchTuple) obj); } private static BiConsumer setter(BiConsumer s) { return (obj, val) -> s.accept((Builder) obj, val); } public interface Builder extends SdkPojo, CopyableBuilder { /** *

* The part of a web request that you want AWS WAF to search, such as a specified header or a query string. For * more information, see FieldToMatch. *

* * @param fieldToMatch * The part of a web request that you want AWS WAF to search, such as a specified header or a query * string. For more information, see FieldToMatch. * @return Returns a reference to this object so that method calls can be chained together. */ Builder fieldToMatch(FieldToMatch fieldToMatch); /** *

* The part of a web request that you want AWS WAF to search, such as a specified header or a query string. For * more information, see FieldToMatch. *

* This is a convenience method that creates an instance of the {@link FieldToMatch.Builder} avoiding the need * to create one manually via {@link FieldToMatch#builder()}. * *

* When the {@link Consumer} completes, {@link FieldToMatch.Builder#build()} is called immediately and its * result is passed to {@link #fieldToMatch(FieldToMatch)}. * * @param fieldToMatch * a consumer that will call methods on {@link FieldToMatch.Builder} * @return Returns a reference to this object so that method calls can be chained together. * @see #fieldToMatch(FieldToMatch) */ default Builder fieldToMatch(Consumer fieldToMatch) { return fieldToMatch(FieldToMatch.builder().applyMutation(fieldToMatch).build()); } /** *

* The value that you want AWS WAF to search for. AWS WAF searches for the specified string in the part of web * requests that you specified in FieldToMatch. The maximum length of the value is 50 bytes. *

*

* Valid values depend on the values that you specified for FieldToMatch: *

*
    *
  • *

    * HEADER: The value that you want AWS WAF to search for in the request header that you specified * in FieldToMatch, for example, the value of the User-Agent or Referer header. *

    *
  • *
  • *

    * METHOD: The HTTP method, which indicates the type of operation specified in the request. * CloudFront supports the following methods: DELETE, GET, HEAD, * OPTIONS, PATCH, POST, and PUT. *

    *
  • *
  • *

    * QUERY_STRING: The value that you want AWS WAF to search for in the query string, which is the * part of a URL that appears after a ? character. *

    *
  • *
  • *

    * URI: The value that you want AWS WAF to search for in the part of a URL that identifies a * resource, for example, /images/daily-ad.jpg. *

    *
  • *
  • *

    * BODY: The part of a request that contains any additional data that you want to send to your web * server as the HTTP request body, such as data from a form. The request body immediately follows the request * headers. Note that only the first 8192 bytes of the request body are forwarded to AWS WAF for * inspection. To allow or block requests based on the length of the body, you can create a size constraint set. * For more information, see CreateSizeConstraintSet. *

    *
  • *
  • *

    * SINGLE_QUERY_ARG: The parameter in the query string that you will inspect, such as * UserName or SalesRegion. The maximum length for SINGLE_QUERY_ARG is 30 characters. *

    *
  • *
  • *

    * ALL_QUERY_ARGS: Similar to SINGLE_QUERY_ARG, but instead of inspecting a single * parameter, AWS WAF inspects all parameters within the query string for the value or regex pattern that you * specify in TargetString. *

    *
  • *
*

* If TargetString includes alphabetic characters A-Z and a-z, note that the value is case * sensitive. *

*

* If you're using the AWS WAF API *

*

* Specify a base64-encoded version of the value. The maximum length of the value before you base64-encode it is * 50 bytes. *

*

* For example, suppose the value of Type is HEADER and the value of Data * is User-Agent. If you want to search the User-Agent header for the value * BadBot, you base64-encode BadBot using MIME base64-encoding and include the * resulting value, QmFkQm90, in the value of TargetString. *

*

* If you're using the AWS CLI or one of the AWS SDKs *

*

* The value that you want AWS WAF to search for. The SDK automatically base64 encodes the value. *

* * @param targetString * The value that you want AWS WAF to search for. AWS WAF searches for the specified string in the part * of web requests that you specified in FieldToMatch. The maximum length of the value is 50 * bytes.

*

* Valid values depend on the values that you specified for FieldToMatch: *

*
    *
  • *

    * HEADER: The value that you want AWS WAF to search for in the request header that you * specified in FieldToMatch, for example, the value of the User-Agent or * Referer header. *

    *
  • *
  • *

    * METHOD: The HTTP method, which indicates the type of operation specified in the request. * CloudFront supports the following methods: DELETE, GET, HEAD, * OPTIONS, PATCH, POST, and PUT. *

    *
  • *
  • *

    * QUERY_STRING: The value that you want AWS WAF to search for in the query string, which is * the part of a URL that appears after a ? character. *

    *
  • *
  • *

    * URI: The value that you want AWS WAF to search for in the part of a URL that identifies a * resource, for example, /images/daily-ad.jpg. *

    *
  • *
  • *

    * BODY: The part of a request that contains any additional data that you want to send to * your web server as the HTTP request body, such as data from a form. The request body immediately * follows the request headers. Note that only the first 8192 bytes of the request body are * forwarded to AWS WAF for inspection. To allow or block requests based on the length of the body, you * can create a size constraint set. For more information, see CreateSizeConstraintSet. *

    *
  • *
  • *

    * SINGLE_QUERY_ARG: The parameter in the query string that you will inspect, such as * UserName or SalesRegion. The maximum length for SINGLE_QUERY_ARG is 30 * characters. *

    *
  • *
  • *

    * ALL_QUERY_ARGS: Similar to SINGLE_QUERY_ARG, but instead of inspecting a * single parameter, AWS WAF inspects all parameters within the query string for the value or regex * pattern that you specify in TargetString. *

    *
  • *
*

* If TargetString includes alphabetic characters A-Z and a-z, note that the value is case * sensitive. *

*

* If you're using the AWS WAF API *

*

* Specify a base64-encoded version of the value. The maximum length of the value before you * base64-encode it is 50 bytes. *

*

* For example, suppose the value of Type is HEADER and the value of * Data is User-Agent. If you want to search the User-Agent header * for the value BadBot, you base64-encode BadBot using MIME base64-encoding * and include the resulting value, QmFkQm90, in the value of TargetString. *

*

* If you're using the AWS CLI or one of the AWS SDKs *

*

* The value that you want AWS WAF to search for. The SDK automatically base64 encodes the value. * @return Returns a reference to this object so that method calls can be chained together. */ Builder targetString(SdkBytes targetString); /** *

* Text transformations eliminate some of the unusual formatting that attackers use in web requests in an effort * to bypass AWS WAF. If you specify a transformation, AWS WAF performs the transformation on * FieldToMatch before inspecting it for a match. *

*

* You can only specify a single type of TextTransformation. *

*

* CMD_LINE *

*

* When you're concerned that attackers are injecting an operating system command line command and using unusual * formatting to disguise some or all of the command, use this option to perform the following transformations: *

*
    *
  • *

    * Delete the following characters: \ " ' ^ *

    *
  • *
  • *

    * Delete spaces before the following characters: / ( *

    *
  • *
  • *

    * Replace the following characters with a space: , ; *

    *
  • *
  • *

    * Replace multiple spaces with one space *

    *
  • *
  • *

    * Convert uppercase letters (A-Z) to lowercase (a-z) *

    *
  • *
*

* COMPRESS_WHITE_SPACE *

*

* Use this option to replace the following characters with a space character (decimal 32): *

*
    *
  • *

    * \f, formfeed, decimal 12 *

    *
  • *
  • *

    * \t, tab, decimal 9 *

    *
  • *
  • *

    * \n, newline, decimal 10 *

    *
  • *
  • *

    * \r, carriage return, decimal 13 *

    *
  • *
  • *

    * \v, vertical tab, decimal 11 *

    *
  • *
  • *

    * non-breaking space, decimal 160 *

    *
  • *
*

* COMPRESS_WHITE_SPACE also replaces multiple spaces with one space. *

*

* HTML_ENTITY_DECODE *

*

* Use this option to replace HTML-encoded characters with unencoded characters. HTML_ENTITY_DECODE * performs the following operations: *

*
    *
  • *

    * Replaces (ampersand)quot; with " *

    *
  • *
  • *

    * Replaces (ampersand)nbsp; with a non-breaking space, decimal 160 *

    *
  • *
  • *

    * Replaces (ampersand)lt; with a "less than" symbol *

    *
  • *
  • *

    * Replaces (ampersand)gt; with > *

    *
  • *
  • *

    * Replaces characters that are represented in hexadecimal format, (ampersand)#xhhhh;, with the * corresponding characters *

    *
  • *
  • *

    * Replaces characters that are represented in decimal format, (ampersand)#nnnn;, with the * corresponding characters *

    *
  • *
*

* LOWERCASE *

*

* Use this option to convert uppercase letters (A-Z) to lowercase (a-z). *

*

* URL_DECODE *

*

* Use this option to decode a URL-encoded value. *

*

* NONE *

*

* Specify NONE if you don't want to perform any text transformations. *

* * @param textTransformation * Text transformations eliminate some of the unusual formatting that attackers use in web requests in an * effort to bypass AWS WAF. If you specify a transformation, AWS WAF performs the transformation on * FieldToMatch before inspecting it for a match.

*

* You can only specify a single type of TextTransformation. *

*

* CMD_LINE *

*

* When you're concerned that attackers are injecting an operating system command line command and using * unusual formatting to disguise some or all of the command, use this option to perform the following * transformations: *

*
    *
  • *

    * Delete the following characters: \ " ' ^ *

    *
  • *
  • *

    * Delete spaces before the following characters: / ( *

    *
  • *
  • *

    * Replace the following characters with a space: , ; *

    *
  • *
  • *

    * Replace multiple spaces with one space *

    *
  • *
  • *

    * Convert uppercase letters (A-Z) to lowercase (a-z) *

    *
  • *
*

* COMPRESS_WHITE_SPACE *

*

* Use this option to replace the following characters with a space character (decimal 32): *

*
    *
  • *

    * \f, formfeed, decimal 12 *

    *
  • *
  • *

    * \t, tab, decimal 9 *

    *
  • *
  • *

    * \n, newline, decimal 10 *

    *
  • *
  • *

    * \r, carriage return, decimal 13 *

    *
  • *
  • *

    * \v, vertical tab, decimal 11 *

    *
  • *
  • *

    * non-breaking space, decimal 160 *

    *
  • *
*

* COMPRESS_WHITE_SPACE also replaces multiple spaces with one space. *

*

* HTML_ENTITY_DECODE *

*

* Use this option to replace HTML-encoded characters with unencoded characters. * HTML_ENTITY_DECODE performs the following operations: *

*
    *
  • *

    * Replaces (ampersand)quot; with " *

    *
  • *
  • *

    * Replaces (ampersand)nbsp; with a non-breaking space, decimal 160 *

    *
  • *
  • *

    * Replaces (ampersand)lt; with a "less than" symbol *

    *
  • *
  • *

    * Replaces (ampersand)gt; with > *

    *
  • *
  • *

    * Replaces characters that are represented in hexadecimal format, (ampersand)#xhhhh;, with * the corresponding characters *

    *
  • *
  • *

    * Replaces characters that are represented in decimal format, (ampersand)#nnnn;, with the * corresponding characters *

    *
  • *
*

* LOWERCASE *

*

* Use this option to convert uppercase letters (A-Z) to lowercase (a-z). *

*

* URL_DECODE *

*

* Use this option to decode a URL-encoded value. *

*

* NONE *

*

* Specify NONE if you don't want to perform any text transformations. * @see TextTransformation * @return Returns a reference to this object so that method calls can be chained together. * @see TextTransformation */ Builder textTransformation(String textTransformation); /** *

* Text transformations eliminate some of the unusual formatting that attackers use in web requests in an effort * to bypass AWS WAF. If you specify a transformation, AWS WAF performs the transformation on * FieldToMatch before inspecting it for a match. *

*

* You can only specify a single type of TextTransformation. *

*

* CMD_LINE *

*

* When you're concerned that attackers are injecting an operating system command line command and using unusual * formatting to disguise some or all of the command, use this option to perform the following transformations: *

*
    *
  • *

    * Delete the following characters: \ " ' ^ *

    *
  • *
  • *

    * Delete spaces before the following characters: / ( *

    *
  • *
  • *

    * Replace the following characters with a space: , ; *

    *
  • *
  • *

    * Replace multiple spaces with one space *

    *
  • *
  • *

    * Convert uppercase letters (A-Z) to lowercase (a-z) *

    *
  • *
*

* COMPRESS_WHITE_SPACE *

*

* Use this option to replace the following characters with a space character (decimal 32): *

*
    *
  • *

    * \f, formfeed, decimal 12 *

    *
  • *
  • *

    * \t, tab, decimal 9 *

    *
  • *
  • *

    * \n, newline, decimal 10 *

    *
  • *
  • *

    * \r, carriage return, decimal 13 *

    *
  • *
  • *

    * \v, vertical tab, decimal 11 *

    *
  • *
  • *

    * non-breaking space, decimal 160 *

    *
  • *
*

* COMPRESS_WHITE_SPACE also replaces multiple spaces with one space. *

*

* HTML_ENTITY_DECODE *

*

* Use this option to replace HTML-encoded characters with unencoded characters. HTML_ENTITY_DECODE * performs the following operations: *

*
    *
  • *

    * Replaces (ampersand)quot; with " *

    *
  • *
  • *

    * Replaces (ampersand)nbsp; with a non-breaking space, decimal 160 *

    *
  • *
  • *

    * Replaces (ampersand)lt; with a "less than" symbol *

    *
  • *
  • *

    * Replaces (ampersand)gt; with > *

    *
  • *
  • *

    * Replaces characters that are represented in hexadecimal format, (ampersand)#xhhhh;, with the * corresponding characters *

    *
  • *
  • *

    * Replaces characters that are represented in decimal format, (ampersand)#nnnn;, with the * corresponding characters *

    *
  • *
*

* LOWERCASE *

*

* Use this option to convert uppercase letters (A-Z) to lowercase (a-z). *

*

* URL_DECODE *

*

* Use this option to decode a URL-encoded value. *

*

* NONE *

*

* Specify NONE if you don't want to perform any text transformations. *

* * @param textTransformation * Text transformations eliminate some of the unusual formatting that attackers use in web requests in an * effort to bypass AWS WAF. If you specify a transformation, AWS WAF performs the transformation on * FieldToMatch before inspecting it for a match.

*

* You can only specify a single type of TextTransformation. *

*

* CMD_LINE *

*

* When you're concerned that attackers are injecting an operating system command line command and using * unusual formatting to disguise some or all of the command, use this option to perform the following * transformations: *

*
    *
  • *

    * Delete the following characters: \ " ' ^ *

    *
  • *
  • *

    * Delete spaces before the following characters: / ( *

    *
  • *
  • *

    * Replace the following characters with a space: , ; *

    *
  • *
  • *

    * Replace multiple spaces with one space *

    *
  • *
  • *

    * Convert uppercase letters (A-Z) to lowercase (a-z) *

    *
  • *
*

* COMPRESS_WHITE_SPACE *

*

* Use this option to replace the following characters with a space character (decimal 32): *

*
    *
  • *

    * \f, formfeed, decimal 12 *

    *
  • *
  • *

    * \t, tab, decimal 9 *

    *
  • *
  • *

    * \n, newline, decimal 10 *

    *
  • *
  • *

    * \r, carriage return, decimal 13 *

    *
  • *
  • *

    * \v, vertical tab, decimal 11 *

    *
  • *
  • *

    * non-breaking space, decimal 160 *

    *
  • *
*

* COMPRESS_WHITE_SPACE also replaces multiple spaces with one space. *

*

* HTML_ENTITY_DECODE *

*

* Use this option to replace HTML-encoded characters with unencoded characters. * HTML_ENTITY_DECODE performs the following operations: *

*
    *
  • *

    * Replaces (ampersand)quot; with " *

    *
  • *
  • *

    * Replaces (ampersand)nbsp; with a non-breaking space, decimal 160 *

    *
  • *
  • *

    * Replaces (ampersand)lt; with a "less than" symbol *

    *
  • *
  • *

    * Replaces (ampersand)gt; with > *

    *
  • *
  • *

    * Replaces characters that are represented in hexadecimal format, (ampersand)#xhhhh;, with * the corresponding characters *

    *
  • *
  • *

    * Replaces characters that are represented in decimal format, (ampersand)#nnnn;, with the * corresponding characters *

    *
  • *
*

* LOWERCASE *

*

* Use this option to convert uppercase letters (A-Z) to lowercase (a-z). *

*

* URL_DECODE *

*

* Use this option to decode a URL-encoded value. *

*

* NONE *

*

* Specify NONE if you don't want to perform any text transformations. * @see TextTransformation * @return Returns a reference to this object so that method calls can be chained together. * @see TextTransformation */ Builder textTransformation(TextTransformation textTransformation); /** *

* Within the portion of a web request that you want to search (for example, in the query string, if any), * specify where you want AWS WAF to search. Valid values include the following: *

*

* CONTAINS *

*

* The specified part of the web request must include the value of TargetString, but the location * doesn't matter. *

*

* CONTAINS_WORD *

*

* The specified part of the web request must include the value of TargetString, and * TargetString must contain only alphanumeric characters or underscore (A-Z, a-z, 0-9, or _). In * addition, TargetString must be a word, which means one of the following: *

*
    *
  • *

    * TargetString exactly matches the value of the specified part of the web request, such as the * value of a header. *

    *
  • *
  • *

    * TargetString is at the beginning of the specified part of the web request and is followed by a * character other than an alphanumeric character or underscore (_), for example, BadBot;. *

    *
  • *
  • *

    * TargetString is at the end of the specified part of the web request and is preceded by a * character other than an alphanumeric character or underscore (_), for example, ;BadBot. *

    *
  • *
  • *

    * TargetString is in the middle of the specified part of the web request and is preceded and * followed by characters other than alphanumeric characters or underscore (_), for example, * -BadBot;. *

    *
  • *
*

* EXACTLY *

*

* The value of the specified part of the web request must exactly match the value of TargetString. *

*

* STARTS_WITH *

*

* The value of TargetString must appear at the beginning of the specified part of the web request. *

*

* ENDS_WITH *

*

* The value of TargetString must appear at the end of the specified part of the web request. *

* * @param positionalConstraint * Within the portion of a web request that you want to search (for example, in the query string, if * any), specify where you want AWS WAF to search. Valid values include the following:

*

* CONTAINS *

*

* The specified part of the web request must include the value of TargetString, but the * location doesn't matter. *

*

* CONTAINS_WORD *

*

* The specified part of the web request must include the value of TargetString, and * TargetString must contain only alphanumeric characters or underscore (A-Z, a-z, 0-9, or * _). In addition, TargetString must be a word, which means one of the following: *

*
    *
  • *

    * TargetString exactly matches the value of the specified part of the web request, such as * the value of a header. *

    *
  • *
  • *

    * TargetString is at the beginning of the specified part of the web request and is followed * by a character other than an alphanumeric character or underscore (_), for example, * BadBot;. *

    *
  • *
  • *

    * TargetString is at the end of the specified part of the web request and is preceded by a * character other than an alphanumeric character or underscore (_), for example, ;BadBot. *

    *
  • *
  • *

    * TargetString is in the middle of the specified part of the web request and is preceded * and followed by characters other than alphanumeric characters or underscore (_), for example, * -BadBot;. *

    *
  • *
*

* EXACTLY *

*

* The value of the specified part of the web request must exactly match the value of * TargetString. *

*

* STARTS_WITH *

*

* The value of TargetString must appear at the beginning of the specified part of the web * request. *

*

* ENDS_WITH *

*

* The value of TargetString must appear at the end of the specified part of the web * request. * @see PositionalConstraint * @return Returns a reference to this object so that method calls can be chained together. * @see PositionalConstraint */ Builder positionalConstraint(String positionalConstraint); /** *

* Within the portion of a web request that you want to search (for example, in the query string, if any), * specify where you want AWS WAF to search. Valid values include the following: *

*

* CONTAINS *

*

* The specified part of the web request must include the value of TargetString, but the location * doesn't matter. *

*

* CONTAINS_WORD *

*

* The specified part of the web request must include the value of TargetString, and * TargetString must contain only alphanumeric characters or underscore (A-Z, a-z, 0-9, or _). In * addition, TargetString must be a word, which means one of the following: *

*
    *
  • *

    * TargetString exactly matches the value of the specified part of the web request, such as the * value of a header. *

    *
  • *
  • *

    * TargetString is at the beginning of the specified part of the web request and is followed by a * character other than an alphanumeric character or underscore (_), for example, BadBot;. *

    *
  • *
  • *

    * TargetString is at the end of the specified part of the web request and is preceded by a * character other than an alphanumeric character or underscore (_), for example, ;BadBot. *

    *
  • *
  • *

    * TargetString is in the middle of the specified part of the web request and is preceded and * followed by characters other than alphanumeric characters or underscore (_), for example, * -BadBot;. *

    *
  • *
*

* EXACTLY *

*

* The value of the specified part of the web request must exactly match the value of TargetString. *

*

* STARTS_WITH *

*

* The value of TargetString must appear at the beginning of the specified part of the web request. *

*

* ENDS_WITH *

*

* The value of TargetString must appear at the end of the specified part of the web request. *

* * @param positionalConstraint * Within the portion of a web request that you want to search (for example, in the query string, if * any), specify where you want AWS WAF to search. Valid values include the following:

*

* CONTAINS *

*

* The specified part of the web request must include the value of TargetString, but the * location doesn't matter. *

*

* CONTAINS_WORD *

*

* The specified part of the web request must include the value of TargetString, and * TargetString must contain only alphanumeric characters or underscore (A-Z, a-z, 0-9, or * _). In addition, TargetString must be a word, which means one of the following: *

*
    *
  • *

    * TargetString exactly matches the value of the specified part of the web request, such as * the value of a header. *

    *
  • *
  • *

    * TargetString is at the beginning of the specified part of the web request and is followed * by a character other than an alphanumeric character or underscore (_), for example, * BadBot;. *

    *
  • *
  • *

    * TargetString is at the end of the specified part of the web request and is preceded by a * character other than an alphanumeric character or underscore (_), for example, ;BadBot. *

    *
  • *
  • *

    * TargetString is in the middle of the specified part of the web request and is preceded * and followed by characters other than alphanumeric characters or underscore (_), for example, * -BadBot;. *

    *
  • *
*

* EXACTLY *

*

* The value of the specified part of the web request must exactly match the value of * TargetString. *

*

* STARTS_WITH *

*

* The value of TargetString must appear at the beginning of the specified part of the web * request. *

*

* ENDS_WITH *

*

* The value of TargetString must appear at the end of the specified part of the web * request. * @see PositionalConstraint * @return Returns a reference to this object so that method calls can be chained together. * @see PositionalConstraint */ Builder positionalConstraint(PositionalConstraint positionalConstraint); } static final class BuilderImpl implements Builder { private FieldToMatch fieldToMatch; private SdkBytes targetString; private String textTransformation; private String positionalConstraint; private BuilderImpl() { } private BuilderImpl(ByteMatchTuple model) { fieldToMatch(model.fieldToMatch); targetString(model.targetString); textTransformation(model.textTransformation); positionalConstraint(model.positionalConstraint); } public final FieldToMatch.Builder getFieldToMatch() { return fieldToMatch != null ? fieldToMatch.toBuilder() : null; } public final void setFieldToMatch(FieldToMatch.BuilderImpl fieldToMatch) { this.fieldToMatch = fieldToMatch != null ? fieldToMatch.build() : null; } @Override public final Builder fieldToMatch(FieldToMatch fieldToMatch) { this.fieldToMatch = fieldToMatch; return this; } public final ByteBuffer getTargetString() { return targetString == null ? null : targetString.asByteBuffer(); } public final void setTargetString(ByteBuffer targetString) { targetString(targetString == null ? null : SdkBytes.fromByteBuffer(targetString)); } @Override public final Builder targetString(SdkBytes targetString) { this.targetString = targetString; return this; } public final String getTextTransformation() { return textTransformation; } public final void setTextTransformation(String textTransformation) { this.textTransformation = textTransformation; } @Override public final Builder textTransformation(String textTransformation) { this.textTransformation = textTransformation; return this; } @Override public final Builder textTransformation(TextTransformation textTransformation) { this.textTransformation(textTransformation == null ? null : textTransformation.toString()); return this; } public final String getPositionalConstraint() { return positionalConstraint; } public final void setPositionalConstraint(String positionalConstraint) { this.positionalConstraint = positionalConstraint; } @Override public final Builder positionalConstraint(String positionalConstraint) { this.positionalConstraint = positionalConstraint; return this; } @Override public final Builder positionalConstraint(PositionalConstraint positionalConstraint) { this.positionalConstraint(positionalConstraint == null ? null : positionalConstraint.toString()); return this; } @Override public ByteMatchTuple build() { return new ByteMatchTuple(this); } @Override public List> sdkFields() { return SDK_FIELDS; } } }





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