/**
* Constructs the PostObject.
*
* @param S3ClientInterface $client Client used with the POST object
* @param string $bucket Bucket to use
* @param array $formInputs Associative array of form input
* fields.
* @param string|array $jsonPolicy JSON encoded POST policy document.
* The policy will be base64 encoded
* and applied to the form on your
* behalf.
*/
public function __construct(S3ClientInterface $client, $bucket, array $formInputs, $jsonPolicy)
{
$this->client = $client;
$this->bucket = $bucket;
if (is_array($jsonPolicy)) {
$jsonPolicy = json_encode($jsonPolicy);
}
$this->jsonPolicy = $jsonPolicy;
$this->formAttributes = ['action' => $this->generateUri(), 'method' => 'POST', 'enctype' => 'multipart/form-data'];
$this->formInputs = $formInputs + ['key' => '${filename}'];
$credentials = $client->getCredentials()->wait();
$this->formInputs += $this->getPolicyAndSignature($credentials);
}
/**
* Creates an UploadState object for a multipart upload by querying the
* service for the specified upload's information.
*
* @param S3ClientInterface $client S3Client used for the upload.
* @param string $bucket Bucket for the multipart upload.
* @param string $key Object key for the multipart upload.
* @param string $uploadId Upload ID for the multipart upload.
*
* @return UploadState
*/
public static function getStateFromService(S3ClientInterface $client, $bucket, $key, $uploadId)
{
$state = new UploadState(['Bucket' => $bucket, 'Key' => $key, 'UploadId' => $uploadId]);
foreach ($client->getPaginator('ListParts', $state->getId()) as $result) {
// Get the part size from the first part in the first result.
if (!$state->getPartSize()) {
$state->setPartSize($result->search('Parts[0].Size'));
}
// Mark all the parts returned by ListParts as uploaded.
foreach ($result['Parts'] as $part) {
$state->markPartAsUploaded($part['PartNumber'], ['PartNumber' => $part['PartNumber'], 'ETag' => $part['ETag']]);
}
}
$state->setStatus(UploadState::INITIATED);
return $state;
}