www.gusucode.com > CKFinder 文件管理器PHP版 v3.0源码程序 > code/core/connector/php/vendor/aws/aws-sdk-php/src/Aws/S3/S3Client.php
<?php
/**
* Copyright 2010-2013 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.
*/
namespace Aws\S3;
use Aws\Common\Client\AbstractClient;
use Aws\Common\Client\ClientBuilder;
use Aws\Common\Client\ExpiredCredentialsChecker;
use Aws\Common\Client\UploadBodyListener;
use Aws\Common\Enum\ClientOptions as Options;
use Aws\Common\Exception\RuntimeException;
use Aws\Common\Exception\InvalidArgumentException;
use Aws\Common\Signature\SignatureV4;
use Aws\Common\Model\MultipartUpload\AbstractTransfer;
use Aws\S3\Exception\AccessDeniedException;
use Aws\S3\Exception\Parser\S3ExceptionParser;
use Aws\S3\Exception\S3Exception;
use Aws\S3\Model\ClearBucket;
use Aws\S3\Model\MultipartUpload\AbstractTransfer as AbstractMulti;
use Aws\S3\Model\MultipartUpload\UploadBuilder;
use Aws\S3\Sync\DownloadSyncBuilder;
use Aws\S3\Sync\UploadSyncBuilder;
use Guzzle\Common\Collection;
use Guzzle\Http\EntityBody;
use Guzzle\Http\Message\RequestInterface;
use Guzzle\Iterator\FilterIterator;
use Guzzle\Plugin\Backoff\BackoffPlugin;
use Guzzle\Plugin\Backoff\CurlBackoffStrategy;
use Guzzle\Plugin\Backoff\ExponentialBackoffStrategy;
use Guzzle\Plugin\Backoff\HttpBackoffStrategy;
use Guzzle\Plugin\Backoff\TruncatedBackoffStrategy;
use Guzzle\Service\Command\CommandInterface;
use Guzzle\Service\Command\Factory\AliasFactory;
use Guzzle\Service\Command\Factory\CompositeFactory;
use Guzzle\Service\Resource\Model;
use Guzzle\Service\Resource\ResourceIteratorInterface;
/**
* Client to interact with Amazon Simple Storage Service
*
* @method S3SignatureInterface getSignature() Returns the signature implementation used with the client
* @method Model abortMultipartUpload(array $args = array()) {@command S3 AbortMultipartUpload}
* @method Model completeMultipartUpload(array $args = array()) {@command S3 CompleteMultipartUpload}
* @method Model copyObject(array $args = array()) {@command S3 CopyObject}
* @method Model createBucket(array $args = array()) {@command S3 CreateBucket}
* @method Model createMultipartUpload(array $args = array()) {@command S3 CreateMultipartUpload}
* @method Model deleteBucket(array $args = array()) {@command S3 DeleteBucket}
* @method Model deleteBucketCors(array $args = array()) {@command S3 DeleteBucketCors}
* @method Model deleteBucketLifecycle(array $args = array()) {@command S3 DeleteBucketLifecycle}
* @method Model deleteBucketPolicy(array $args = array()) {@command S3 DeleteBucketPolicy}
* @method Model deleteBucketReplication(array $args = array()) {@command S3 DeleteBucketReplication}
* @method Model deleteBucketTagging(array $args = array()) {@command S3 DeleteBucketTagging}
* @method Model deleteBucketWebsite(array $args = array()) {@command S3 DeleteBucketWebsite}
* @method Model deleteObject(array $args = array()) {@command S3 DeleteObject}
* @method Model deleteObjects(array $args = array()) {@command S3 DeleteObjects}
* @method Model getBucketAcl(array $args = array()) {@command S3 GetBucketAcl}
* @method Model getBucketCors(array $args = array()) {@command S3 GetBucketCors}
* @method Model getBucketLifecycle(array $args = array()) {@command S3 GetBucketLifecycle}
* @method Model getBucketLocation(array $args = array()) {@command S3 GetBucketLocation}
* @method Model getBucketLogging(array $args = array()) {@command S3 GetBucketLogging}
* @method Model getBucketNotification(array $args = array()) {@command S3 GetBucketNotification}
* @method Model getBucketPolicy(array $args = array()) {@command S3 GetBucketPolicy}
* @method Model getBucketReplication(array $args = array()) {@command S3 GetBucketReplication}
* @method Model getBucketRequestPayment(array $args = array()) {@command S3 GetBucketRequestPayment}
* @method Model getBucketTagging(array $args = array()) {@command S3 GetBucketTagging}
* @method Model getBucketVersioning(array $args = array()) {@command S3 GetBucketVersioning}
* @method Model getBucketWebsite(array $args = array()) {@command S3 GetBucketWebsite}
* @method Model getObject(array $args = array()) {@command S3 GetObject}
* @method Model getObjectAcl(array $args = array()) {@command S3 GetObjectAcl}
* @method Model getObjectTorrent(array $args = array()) {@command S3 GetObjectTorrent}
* @method Model headBucket(array $args = array()) {@command S3 HeadBucket}
* @method Model headObject(array $args = array()) {@command S3 HeadObject}
* @method Model listBuckets(array $args = array()) {@command S3 ListBuckets}
* @method Model listMultipartUploads(array $args = array()) {@command S3 ListMultipartUploads}
* @method Model listObjectVersions(array $args = array()) {@command S3 ListObjectVersions}
* @method Model listObjects(array $args = array()) {@command S3 ListObjects}
* @method Model listParts(array $args = array()) {@command S3 ListParts}
* @method Model putBucketAcl(array $args = array()) {@command S3 PutBucketAcl}
* @method Model putBucketCors(array $args = array()) {@command S3 PutBucketCors}
* @method Model putBucketLifecycle(array $args = array()) {@command S3 PutBucketLifecycle}
* @method Model putBucketLogging(array $args = array()) {@command S3 PutBucketLogging}
* @method Model putBucketNotification(array $args = array()) {@command S3 PutBucketNotification}
* @method Model putBucketPolicy(array $args = array()) {@command S3 PutBucketPolicy}
* @method Model putBucketReplication(array $args = array()) {@command S3 PutBucketReplication}
* @method Model putBucketRequestPayment(array $args = array()) {@command S3 PutBucketRequestPayment}
* @method Model putBucketTagging(array $args = array()) {@command S3 PutBucketTagging}
* @method Model putBucketVersioning(array $args = array()) {@command S3 PutBucketVersioning}
* @method Model putBucketWebsite(array $args = array()) {@command S3 PutBucketWebsite}
* @method Model putObject(array $args = array()) {@command S3 PutObject}
* @method Model putObjectAcl(array $args = array()) {@command S3 PutObjectAcl}
* @method Model restoreObject(array $args = array()) {@command S3 RestoreObject}
* @method Model uploadPart(array $args = array()) {@command S3 UploadPart}
* @method Model uploadPartCopy(array $args = array()) {@command S3 UploadPartCopy}
* @method waitUntilBucketExists(array $input) The input array uses the parameters of the HeadBucket operation and waiter specific settings
* @method waitUntilBucketNotExists(array $input) The input array uses the parameters of the HeadBucket operation and waiter specific settings
* @method waitUntilObjectExists(array $input) The input array uses the parameters of the HeadObject operation and waiter specific settings
* @method ResourceIteratorInterface getListBucketsIterator(array $args = array()) The input array uses the parameters of the ListBuckets operation
* @method ResourceIteratorInterface getListMultipartUploadsIterator(array $args = array()) The input array uses the parameters of the ListMultipartUploads operation
* @method ResourceIteratorInterface getListObjectVersionsIterator(array $args = array()) The input array uses the parameters of the ListObjectVersions operation
* @method ResourceIteratorInterface getListObjectsIterator(array $args = array()) The input array uses the parameters of the ListObjects operation
* @method ResourceIteratorInterface getListPartsIterator(array $args = array()) The input array uses the parameters of the ListParts operation
*
* @link http://docs.aws.amazon.com/aws-sdk-php/v2/guide/service-s3.html User guide
* @link http://docs.aws.amazon.com/aws-sdk-php/v2/api/class-Aws.S3.S3Client.html API docs
*/
class S3Client extends AbstractClient
{
const LATEST_API_VERSION = '2006-03-01';
/**
* @var array Aliases for S3 operations
*/
protected static $commandAliases = array(
// REST API Docs Aliases
'GetService' => 'ListBuckets',
'GetBucket' => 'ListObjects',
'PutBucket' => 'CreateBucket',
// SDK 1.x Aliases
'GetBucketHeaders' => 'HeadBucket',
'GetObjectHeaders' => 'HeadObject',
'SetBucketAcl' => 'PutBucketAcl',
'CreateObject' => 'PutObject',
'DeleteObjects' => 'DeleteMultipleObjects',
'PutObjectCopy' => 'CopyObject',
'SetObjectAcl' => 'PutObjectAcl',
'GetLogs' => 'GetBucketLogging',
'GetVersioningStatus' => 'GetBucketVersioning',
'SetBucketPolicy' => 'PutBucketPolicy',
'CreateBucketNotification' => 'PutBucketNotification',
'GetBucketNotifications' => 'GetBucketNotification',
'CopyPart' => 'UploadPartCopy',
'CreateWebsiteConfig' => 'PutBucketWebsite',
'GetWebsiteConfig' => 'GetBucketWebsite',
'DeleteWebsiteConfig' => 'DeleteBucketWebsite',
'CreateObjectExpirationConfig' => 'PutBucketLifecycle',
'GetObjectExpirationConfig' => 'GetBucketLifecycle',
'DeleteObjectExpirationConfig' => 'DeleteBucketLifecycle',
);
protected $directory = __DIR__;
/**
* Factory method to create a new Amazon S3 client using an array of configuration options.
*
* @param array|Collection $config Client configuration data
*
* @return S3Client
* @link http://docs.aws.amazon.com/aws-sdk-php/v2/guide/configuration.html#client-configuration-options
*/
public static function factory($config = array())
{
$exceptionParser = new S3ExceptionParser();
// Configure the custom exponential backoff plugin for retrying S3 specific errors
if (!isset($config[Options::BACKOFF])) {
$config[Options::BACKOFF] = static::createBackoffPlugin($exceptionParser);
}
$config[Options::SIGNATURE] = $signature = static::createSignature($config);
$client = ClientBuilder::factory(__NAMESPACE__)
->setConfig($config)
->setConfigDefaults(array(
Options::VERSION => self::LATEST_API_VERSION,
Options::SERVICE_DESCRIPTION => __DIR__ . '/Resources/s3-%s.php'
))
->setExceptionParser($exceptionParser)
->setIteratorsConfig(array(
'more_key' => 'IsTruncated',
'operations' => array(
'ListBuckets',
'ListMultipartUploads' => array(
'limit_param' => 'MaxUploads',
'token_param' => array('KeyMarker', 'UploadIdMarker'),
'token_key' => array('NextKeyMarker', 'NextUploadIdMarker'),
),
'ListObjects' => array(
'limit_param' => 'MaxKeys',
'token_param' => 'Marker',
'token_key' => 'NextMarker',
),
'ListObjectVersions' => array(
'limit_param' => 'MaxKeys',
'token_param' => array('KeyMarker', 'VersionIdMarker'),
'token_key' => array('nextKeyMarker', 'nextVersionIdMarker'),
),
'ListParts' => array(
'limit_param' => 'MaxParts',
'result_key' => 'Parts',
'token_param' => 'PartNumberMarker',
'token_key' => 'NextPartNumberMarker',
),
)
))
->build();
// Use virtual hosted buckets when possible
$client->addSubscriber(new BucketStyleListener());
// Ensure that ACP headers are applied when needed
$client->addSubscriber(new AcpListener());
// Validate and add required Content-MD5 hashes (e.g. DeleteObjects)
$client->addSubscriber(new S3Md5Listener($signature));
// Allow for specifying bodies with file paths and file handles
$client->addSubscriber(new UploadBodyListener(array('PutObject', 'UploadPart')));
// Ensures that if a SSE-CPK key is provided, the key and md5 are formatted correctly
$client->addSubscriber(new SseCpkListener);
// Add aliases for some S3 operations
$default = CompositeFactory::getDefaultChain($client);
$default->add(
new AliasFactory($client, static::$commandAliases),
'Guzzle\Service\Command\Factory\ServiceDescriptionFactory'
);
$client->setCommandFactory($default);
return $client;
}
/**
* Create an Amazon S3 specific backoff plugin
*
* @param S3ExceptionParser $exceptionParser
*
* @return BackoffPlugin
*/
private static function createBackoffPlugin(S3ExceptionParser $exceptionParser)
{
return new BackoffPlugin(
new TruncatedBackoffStrategy(3,
new CurlBackoffStrategy(null,
new HttpBackoffStrategy(null,
new SocketTimeoutChecker(
new ExpiredCredentialsChecker($exceptionParser,
new ExponentialBackoffStrategy()
)
)
)
)
)
);
}
/**
* Create an appropriate signature based on the configuration settings
*
* @param $config
*
* @return \Aws\Common\Signature\SignatureInterface
* @throws InvalidArgumentException
*/
private static function createSignature($config)
{
$currentValue = isset($config[Options::SIGNATURE]) ? $config[Options::SIGNATURE] : null;
// Force v4 if no value is provided, a region is in the config, and
// the region starts with "cn-" or "eu-central-".
$requiresV4 = !$currentValue
&& isset($config['region'])
&& (strpos($config['region'], 'eu-central-') === 0
|| strpos($config['region'], 'cn-') === 0);
// Use the Amazon S3 signature V4 when the value is set to "v4" or when
// the value is not set and the region starts with "cn-".
if ($currentValue == 'v4' || $requiresV4) {
// Force SignatureV4 for specific regions or if specified in the config
$currentValue = new S3SignatureV4('s3');
} elseif (!$currentValue || $currentValue == 's3') {
// Use the Amazon S3 signature by default
$currentValue = new S3Signature();
}
// A region is require with v4
if ($currentValue instanceof SignatureV4 && !isset($config['region'])) {
throw new InvalidArgumentException('A region must be specified '
. 'when using signature version 4');
}
return $currentValue;
}
/**
* Determine if a string is a valid name for a DNS compatible Amazon S3
* bucket, meaning the bucket can be used as a subdomain in a URL (e.g.,
* "<bucket>.s3.amazonaws.com").
*
* @param string $bucket The name of the bucket to check.
*
* @return bool TRUE if the bucket name is valid or FALSE if it is invalid.
*/
public static function isValidBucketName($bucket)
{
$bucketLen = strlen($bucket);
if ($bucketLen < 3 || $bucketLen > 63 ||
// Cannot look like an IP address
preg_match('/(\d+\.){3}\d+$/', $bucket) ||
// Cannot include special characters, must start and end with lower alnum
!preg_match('/^[a-z0-9]([a-z0-9\-\.]*[a-z0-9])?$/', $bucket)
) {
return false;
}
return true;
}
/**
* Create a pre-signed URL for a request
*
* @param RequestInterface $request Request to generate the URL for. Use the factory methods of the client to
* create this request object
* @param int|string|\DateTime $expires The time at which the URL should expire. This can be a Unix timestamp, a
* PHP DateTime object, or a string that can be evaluated by strtotime
*
* @return string
* @throws InvalidArgumentException if the request is not associated with this client object
*/
public function createPresignedUrl(RequestInterface $request, $expires)
{
if ($request->getClient() !== $this) {
throw new InvalidArgumentException('The request object must be associated with the client. Use the '
. '$client->get(), $client->head(), $client->post(), $client->put(), etc. methods when passing in a '
. 'request object');
}
return $this->signature->createPresignedUrl($request, $this->credentials, $expires);
}
/**
* Returns the URL to an object identified by its bucket and key. If an expiration time is provided, the URL will
* be signed and set to expire at the provided time.
*
* @param string $bucket The name of the bucket where the object is located
* @param string $key The key of the object
* @param mixed $expires The time at which the URL should expire
* @param array $args Arguments to the GetObject command. Additionally you can specify a "Scheme" if you would
* like the URL to use a different scheme than what the client is configured to use
*
* @return string The URL to the object
*/
public function getObjectUrl($bucket, $key, $expires = null, array $args = array())
{
$command = $this->getCommand('GetObject', $args + array('Bucket' => $bucket, 'Key' => $key));
if ($command->hasKey('Scheme')) {
$scheme = $command['Scheme'];
$request = $command->remove('Scheme')->prepare()->setScheme($scheme)->setPort(null);
} else {
$request = $command->prepare();
}
return $expires ? $this->createPresignedUrl($request, $expires) : $request->getUrl();
}
/**
* Helper used to clear the contents of a bucket. Use the {@see ClearBucket} object directly
* for more advanced options and control.
*
* @param string $bucket Name of the bucket to clear.
*
* @return int Returns the number of deleted keys
*/
public function clearBucket($bucket)
{
$clear = new ClearBucket($this, $bucket);
return $clear->clear();
}
/**
* Determines whether or not a bucket exists by name
*
* @param string $bucket The name of the bucket
* @param bool $accept403 Set to true if 403s are acceptable
* @param array $options Additional options to add to the executed command
*
* @return bool
*/
public function doesBucketExist($bucket, $accept403 = true, array $options = array())
{
return $this->checkExistenceWithCommand(
$this->getCommand('HeadBucket', array_merge($options, array(
'Bucket' => $bucket
))), $accept403
);
}
/**
* Determines whether or not an object exists by name
*
* @param string $bucket The name of the bucket
* @param string $key The key of the object
* @param array $options Additional options to add to the executed command
*
* @return bool
*/
public function doesObjectExist($bucket, $key, array $options = array())
{
return $this->checkExistenceWithCommand(
$this->getCommand('HeadObject', array_merge($options, array(
'Bucket' => $bucket,
'Key' => $key
)))
);
}
/**
* Determines whether or not a bucket policy exists for a bucket
*
* @param string $bucket The name of the bucket
* @param array $options Additional options to add to the executed command
*
* @return bool
*/
public function doesBucketPolicyExist($bucket, array $options = array())
{
return $this->checkExistenceWithCommand(
$this->getCommand('GetBucketPolicy', array_merge($options, array(
'Bucket' => $bucket
)))
);
}
/**
* Raw URL encode a key and allow for '/' characters
*
* @param string $key Key to encode
*
* @return string Returns the encoded key
*/
public static function encodeKey($key)
{
return str_replace('%2F', '/', rawurlencode($key));
}
/**
* Explode a prefixed key into an array of values
*
* @param string $key Key to explode
*
* @return array Returns the exploded
*/
public static function explodeKey($key)
{
// Remove a leading slash if one is found
return explode('/', $key && $key[0] == '/' ? substr($key, 1) : $key);
}
/**
* Register the Amazon S3 stream wrapper and associates it with this client object
*
* @return $this
*/
public function registerStreamWrapper()
{
StreamWrapper::register($this);
return $this;
}
/**
* Upload a file, stream, or string to a bucket. If the upload size exceeds the specified threshold, the upload
* will be performed using parallel multipart uploads.
*
* @param string $bucket Bucket to upload the object
* @param string $key Key of the object
* @param mixed $body Object data to upload. Can be a Guzzle\Http\EntityBodyInterface, stream resource, or
* string of data to upload.
* @param string $acl ACL to apply to the object
* @param array $options Custom options used when executing commands:
* - params: Custom parameters to use with the upload. The parameters must map to a PutObject
* or InitiateMultipartUpload operation parameters.
* - min_part_size: Minimum size to allow for each uploaded part when performing a multipart upload.
* - concurrency: Maximum number of concurrent multipart uploads.
* - before_upload: Callback to invoke before each multipart upload. The callback will receive a
* Guzzle\Common\Event object with context.
*
* @see Aws\S3\Model\MultipartUpload\UploadBuilder for more options and customization
* @return \Guzzle\Service\Resource\Model Returns the modeled result of the performed operation
*/
public function upload($bucket, $key, $body, $acl = 'private', array $options = array())
{
$body = EntityBody::factory($body);
$options = Collection::fromConfig(array_change_key_case($options), array(
'min_part_size' => AbstractMulti::MIN_PART_SIZE,
'params' => array(),
'concurrency' => $body->getWrapper() == 'plainfile' ? 3 : 1
));
if ($body->getSize() < $options['min_part_size']) {
// Perform a simple PutObject operation
return $this->putObject(array(
'Bucket' => $bucket,
'Key' => $key,
'Body' => $body,
'ACL' => $acl
) + $options['params']);
}
// Perform a multipart upload if the file is large enough
$transfer = UploadBuilder::newInstance()
->setBucket($bucket)
->setKey($key)
->setMinPartSize($options['min_part_size'])
->setConcurrency($options['concurrency'])
->setClient($this)
->setSource($body)
->setTransferOptions($options->toArray())
->addOptions($options['params'])
->setOption('ACL', $acl)
->build();
if ($options['before_upload']) {
$transfer->getEventDispatcher()->addListener(
AbstractTransfer::BEFORE_PART_UPLOAD,
$options['before_upload']
);
}
return $transfer->upload();
}
/**
* Recursively uploads all files in a given directory to a given bucket.
*
* @param string $directory Full path to a directory to upload
* @param string $bucket Name of the bucket
* @param string $keyPrefix Virtual directory key prefix to add to each upload
* @param array $options Associative array of upload options
* - params: Array of parameters to use with each PutObject operation performed during the transfer
* - base_dir: Base directory to remove from each object key
* - force: Set to true to upload every file, even if the file is already in Amazon S3 and has not changed
* - concurrency: Maximum number of parallel uploads (defaults to 10)
* - debug: Set to true or an fopen resource to enable debug mode to print information about each upload
* - multipart_upload_size: When the size of a file exceeds this value, the file will be uploaded using a
* multipart upload.
*
* @see Aws\S3\S3Sync\S3Sync for more options and customization
*/
public function uploadDirectory($directory, $bucket, $keyPrefix = null, array $options = array())
{
$options = Collection::fromConfig(
$options,
array(
'base_dir' => realpath($directory) ?: $directory
)
);
$builder = $options['builder'] ?: UploadSyncBuilder::getInstance();
$builder->uploadFromDirectory($directory)
->setClient($this)
->setBucket($bucket)
->setKeyPrefix($keyPrefix)
->setConcurrency($options['concurrency'] ?: 5)
->setBaseDir($options['base_dir'])
->force($options['force'])
->setOperationParams($options['params'] ?: array())
->enableDebugOutput($options['debug']);
if ($options->hasKey('multipart_upload_size')) {
$builder->setMultipartUploadSize($options['multipart_upload_size']);
}
$builder->build()->transfer();
}
/**
* Downloads a bucket to the local filesystem
*
* @param string $directory Directory to download to
* @param string $bucket Bucket to download from
* @param string $keyPrefix Only download objects that use this key prefix
* @param array $options Associative array of download options
* - params: Array of parameters to use with each GetObject operation performed during the transfer
* - base_dir: Base directory to remove from each object key when storing in the local filesystem
* - force: Set to true to download every file, even if the file is already on the local filesystem and has not
* changed
* - concurrency: Maximum number of parallel downloads (defaults to 10)
* - debug: Set to true or a fopen resource to enable debug mode to print information about each download
* - allow_resumable: Set to true to allow previously interrupted downloads to be resumed using a Range GET
*/
public function downloadBucket($directory, $bucket, $keyPrefix = '', array $options = array())
{
$options = new Collection($options);
$builder = $options['builder'] ?: DownloadSyncBuilder::getInstance();
$builder->setDirectory($directory)
->setClient($this)
->setBucket($bucket)
->setKeyPrefix($keyPrefix)
->setConcurrency($options['concurrency'] ?: 10)
->setBaseDir($options['base_dir'])
->force($options['force'])
->setOperationParams($options['params'] ?: array())
->enableDebugOutput($options['debug']);
if ($options['allow_resumable']) {
$builder->allowResumableDownloads();
}
$builder->build()->transfer();
}
/**
* Deletes objects from Amazon S3 that match the result of a ListObjects operation. For example, this allows you
* to do things like delete all objects that match a specific key prefix.
*
* @param string $bucket Bucket that contains the object keys
* @param string $prefix Optionally delete only objects under this key prefix
* @param string $regex Delete only objects that match this regex
* @param array $options Options used when deleting the object:
* - before_delete: Callback to invoke before each delete. The callback will receive a
* Guzzle\Common\Event object with context.
*
* @see Aws\S3\S3Client::listObjects
* @see Aws\S3\Model\ClearBucket For more options or customization
* @return int Returns the number of deleted keys
* @throws RuntimeException if no prefix and no regex is given
*/
public function deleteMatchingObjects($bucket, $prefix = '', $regex = '', array $options = array())
{
if (!$prefix && !$regex) {
throw new RuntimeException('A prefix or regex is required, or use S3Client::clearBucket().');
}
$clear = new ClearBucket($this, $bucket);
$iterator = $this->getIterator('ListObjects', array('Bucket' => $bucket, 'Prefix' => $prefix));
if ($regex) {
$iterator = new FilterIterator($iterator, function ($current) use ($regex) {
return preg_match($regex, $current['Key']);
});
}
$clear->setIterator($iterator);
if (isset($options['before_delete'])) {
$clear->getEventDispatcher()->addListener(ClearBucket::BEFORE_CLEAR, $options['before_delete']);
}
return $clear->clear();
}
/**
* Determines whether or not a resource exists using a command
*
* @param CommandInterface $command Command used to poll for the resource
* @param bool $accept403 Set to true if 403s are acceptable
*
* @return bool
* @throws S3Exception|\Exception if there is an unhandled exception
*/
protected function checkExistenceWithCommand(CommandInterface $command, $accept403 = false)
{
try {
$command->execute();
$exists = true;
} catch (AccessDeniedException $e) {
$exists = (bool) $accept403;
} catch (S3Exception $e) {
$exists = false;
if ($e->getResponse()->getStatusCode() >= 500) {
// @codeCoverageIgnoreStart
throw $e;
// @codeCoverageIgnoreEnd
}
}
return $exists;
}
}