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v2: Updates

Browse source 
* Simplifies & beautifies everything
* Introduces a new Class system.
* Errors are defaulted to AWS's handler.
* New function names & more efficient handling.
* Should fix a majority of the errors.

Please read the README for more!
This commit is contained in:
Devang Srivastava 2020-09-28 15:32:51 +05:30
commit e6d7753dc8
1095 changed files with 45088 additions and 2911 deletions
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47
aws/Aws/Crypto/AbstractCryptoClient.php
View file

@ -6,11 +6,19 @@ use Aws\Crypto\Cipher\Cbc;
use GuzzleHttp\Psr7\Stream;
/**
* Legacy abstract encryption client. New workflows should use
* AbstractCryptoClientV2.
*
* @deprecated
* @internal
*/
abstract class AbstractCryptoClient
{
private static $supportedCiphers = ['cbc', 'gcm'];
public static $supportedCiphers = ['cbc', 'gcm'];
public static $supportedKeyWraps = [
KmsMaterialsProvider::WRAP_ALGORITHM_NAME
];
/**
* Returns if the passed cipher name is supported for encryption by the SDK.
@ -35,10 +43,7 @@ abstract class AbstractCryptoClient
*
* @return string
*/
protected function getCipherOpenSslName($cipherName, $keySize)
{
return "aes-{$keySize}-{$cipherName}";
}
abstract protected function getCipherOpenSslName($cipherName, $keySize);
/**
* Constructs a CipherMethod for the given name, initialized with the other
@ -53,18 +58,7 @@ abstract class AbstractCryptoClient
*
* @internal
*/
protected function buildCipherMethod($cipherName, $iv, $keySize)
{
switch ($cipherName) {
case 'cbc':
return new Cbc(
$iv,
$keySize
);
default:
return null;
}
}
abstract protected function buildCipherMethod($cipherName, $iv, $keySize);
/**
* Performs a reverse lookup to get the openssl_* cipher name from the
@ -76,18 +70,7 @@ abstract class AbstractCryptoClient
*
* @internal
*/
protected function getCipherFromAesName($aesName)
{
switch ($aesName) {
case 'AES/GCM/NoPadding':
return 'gcm';
case 'AES/CBC/PKCS5Padding':
return 'cbc';
default:
throw new \RuntimeException('Unrecognized or unsupported'
. ' AESName for reverse lookup.');
}
}
abstract protected function getCipherFromAesName($aesName);
/**
* Dependency to provide an interface for building an encryption stream for
@ -119,8 +102,8 @@ abstract class AbstractCryptoClient
*
* @param string $cipherText Plain-text data to be decrypted using the
* materials, algorithm, and data provided.
* @param MaterialsProvider $provider A provider to supply and encrypt
* materials used in encryption.
* @param MaterialsProviderInterface $provider A provider to supply and encrypt
* materials used in encryption.
* @param MetadataEnvelope $envelope A storage envelope for encryption
* metadata to be read from.
* @param array $cipherOptions Additional verification options.
@ -131,7 +114,7 @@ abstract class AbstractCryptoClient
*/
abstract public function decrypt(
$cipherText,
MaterialsProvider $provider,
MaterialsProviderInterface $provider,
MetadataEnvelope $envelope,
array $cipherOptions = []
);