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# Modifications apportées à Amazon CloudFront Presign de la version 1 à la version 2
<a name="migration-cloudfront-presigning"></a>

Cette rubrique détaille les modifications apportées à Amazon CloudFront entre la version 1 (v1) et la version 2 (v2).

## Changements de haut niveau
<a name="migration-cloudfront-presigning-api-changes"></a>


****  

| Modifier | v1 |   v2 | 
| --- | --- | --- | 
|    Dépendances de Maven  |  <pre><dependencyManagement><br />    <dependencies><br />        <dependency><br />            <groupId>com.amazonaws</groupId><br />            <artifactId>aws-java-sdk-bom</artifactId><br />            <version>1.12.5871</version><br />            <type>pom</type><br />            <scope>import</scope><br />        </dependency><br />    </dependencies><br /></dependencyManagement><br /><dependencies><br />    <dependency>  <br />        <groupId>com.amazonaws</groupId><br />        <artifactId>cloudfront</artifactId><br />    </dependency><br /></dependencies></pre>  |  <pre><dependencyManagement><br />    <dependencies><br />        <dependency><br />            <groupId>software.amazon.awssdk</groupId><br />            <artifactId>bom</artifactId><br />            <version>2.27.212</version><br />            <type>pom</type><br />            <scope>import</scope><br />        </dependency><br />    </dependencies><br /></dependencyManagement><br /><dependencies><br />    <dependency><br />        <groupId>software.amazon.awssdk</groupId><br />        <artifactId>cloudfront</artifactId><br />    </dependency><br /></dependencies></pre>  | 
| Nom du package | com.amazonaws.services.cloudfront | software.amazon.awssdk.services.cloudfront | 
| Noms des classes |  [CloudFrontUrlSigner](https://docs.aws.amazon.com/AWSJavaSDK/latest/javadoc/com/amazonaws/services/cloudfront/CloudFrontUrlSigner.html) [CloudFrontCookieSigner](https://docs.aws.amazon.com/AWSJavaSDK/latest/javadoc/com/amazonaws/services/cloudfront/CloudFrontCookieSigner.html)  |  [CloudFrontUtilities](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/cloudfront/CloudFrontUtilities.html) [SignedUrl](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/cloudfront/url/SignedUrl.html) [CannedSignerRequest](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/cloudfront/model/CannedSignerRequest.html) [CustomSignerRequest](https://sdk.amazonaws.com/java/api/latest/software/amazon/awssdk/services/cloudfront/model/CustomSignerRequest.html)  | 

1 [Dernière version](https://central.sonatype.com/artifact/com.amazonaws/aws-java-sdk-bom). 2 [Dernière version](https://central.sonatype.com/artifact/software.amazon.awssdk/bom).

## Modifications de l'API
<a name="migration-cf-presign-behavior-changes"></a>


| Comportement | v1 |   v2 | 
| --- | --- | --- | 
| Créez une demande prédéfinie | Les arguments sont transmis directement à l'API. |  <pre>CannedSignerRequest cannedRequest =<br />      CannedSignerRequest.builder()<br />                         .resourceUrl(resourceUrl)<br />                         .privateKey(privateKey)<br />                         .keyPairId(keyPairId)<br />                         .expirationDate(expirationDate)<br />                         .build();</pre>  | 
| Créez une demande personnalisée | Les arguments sont transmis directement à l'API. |  <pre>CustomSignerRequest customRequest =<br />      CustomSignerRequest.builder()<br />                         .resourceUrl(resourceUrl)<br />                         .resourceUrlPattern(resourceUrlPattern)<br />                         .privateKey(keyFile)<br />                         .keyPairId(keyPairId)<br />                         .expirationDate(expirationDate)<br />                         .activeDate(activeDate)<br />                         .ipRange(ipRange)<br />                         .build();</pre>  | 
| Générer une URL signée (standardisée) |  <pre>String signedUrl =<br />  CloudFrontUrlSigner.getSignedURLWithCannedPolicy(<br />    resourceUrl, keyPairId, privateKey, expirationDate);</pre>  |  <pre>CloudFrontUtilities cloudFrontUtilities =<br />    CloudFrontUtilities.create();<br /><br />SignedUrl signedUrl =        <br />    cloudFrontUtilities.getSignedUrlWithCannedPolicy(cannedRequest);<br /><br />String url = signedUrl.url();<br /></pre>  | 
| Générer un cookie signé (personnalisé) |  <pre>CookiesForCustomPolicy cookies =<br />    CloudFrontCookieSigner.getCookiesForCustomPolicy(<br />        resourceUrl, privateKey, keyPairId, expirationDate, <br />        activeDate, ipRange);<br /></pre>  |  <pre>CloudFrontUtilities cloudFrontUtilities =<br />    CloudFrontUtilities.create();<br /><br />CookiesForCustomPolicy cookies =<br />     cloudFrontUtilities.getCookiesForCustomPolicy(customRequest);<br /></pre>  | 

### En-têtes de cookies refactorisés dans la version 2
<a name="migration-cf-presign-behavior-headers"></a>

Dans Java v1, le SDK Java fournit les en-têtes de cookies sous forme de. `Map.Entry<String, String>`

```
Map.Entry<String, String> signatureMap = cookies.getSignature();
String signatureKey = signatureMap.getKey(); // "CloudFront-Signature"
String signatureValue = signatureMap.getValue(); // "[SIGNATURE_VALUE]"
```

Le SDK Java v2 fournit l'intégralité de l'en-tête en une seule `String` fois.

```
String signatureHeaderValue = cookies.signatureHeaderValue(); // "CloudFront-Signature=[SIGNATURE_VALUE]"
```