installed plugin Infinite Uploads version 2.0.8
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254
wp-content/plugins/infinite-uploads/vendor/Aws3/Aws/Multipart/AbstractUploadManager.php
vendored
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254
wp-content/plugins/infinite-uploads/vendor/Aws3/Aws/Multipart/AbstractUploadManager.php
vendored
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<?php
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namespace UglyRobot\Infinite_Uploads\Aws\Multipart;
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use UglyRobot\Infinite_Uploads\Aws\AwsClientInterface as Client;
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use UglyRobot\Infinite_Uploads\Aws\CommandInterface;
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use UglyRobot\Infinite_Uploads\Aws\CommandPool;
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use UglyRobot\Infinite_Uploads\Aws\Exception\AwsException;
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use UglyRobot\Infinite_Uploads\Aws\Exception\MultipartUploadException;
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use UglyRobot\Infinite_Uploads\Aws\Result;
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use UglyRobot\Infinite_Uploads\Aws\ResultInterface;
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use UglyRobot\Infinite_Uploads\GuzzleHttp\Promise;
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use UglyRobot\Infinite_Uploads\GuzzleHttp\Promise\PromiseInterface;
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use InvalidArgumentException as IAE;
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use UglyRobot\Infinite_Uploads\Psr\Http\Message\RequestInterface;
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/**
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* Encapsulates the execution of a multipart upload to S3 or Glacier.
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*
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* @internal
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*/
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abstract class AbstractUploadManager implements \UglyRobot\Infinite_Uploads\GuzzleHttp\Promise\PromisorInterface
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{
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const DEFAULT_CONCURRENCY = 5;
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/** @var array Default values for base multipart configuration */
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private static $defaultConfig = ['part_size' => null, 'state' => null, 'concurrency' => self::DEFAULT_CONCURRENCY, 'prepare_data_source' => null, 'before_initiate' => null, 'before_upload' => null, 'before_complete' => null, 'exception_class' => 'UglyRobot\\Infinite_Uploads\\Aws\\Exception\\MultipartUploadException'];
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/** @var Client Client used for the upload. */
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protected $client;
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/** @var array Configuration used to perform the upload. */
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protected $config;
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/** @var array Service-specific information about the upload workflow. */
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protected $info;
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/** @var PromiseInterface Promise that represents the multipart upload. */
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protected $promise;
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/** @var UploadState State used to manage the upload. */
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protected $state;
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/**
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* @param Client $client
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* @param array $config
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*/
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public function __construct(\UglyRobot\Infinite_Uploads\Aws\AwsClientInterface $client, array $config = [])
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{
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$this->client = $client;
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$this->info = $this->loadUploadWorkflowInfo();
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$this->config = $config + self::$defaultConfig;
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$this->state = $this->determineState();
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}
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/**
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* Returns the current state of the upload
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*
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* @return UploadState
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*/
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public function getState()
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{
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return $this->state;
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}
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/**
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* Upload the source using multipart upload operations.
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*
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* @return Result The result of the CompleteMultipartUpload operation.
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* @throws \LogicException if the upload is already complete or aborted.
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* @throws MultipartUploadException if an upload operation fails.
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*/
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public function upload()
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{
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return $this->promise()->wait();
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}
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/**
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* Upload the source asynchronously using multipart upload operations.
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*
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* @return PromiseInterface
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*/
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public function promise()
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{
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if ($this->promise) {
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return $this->promise;
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}
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return $this->promise = \UglyRobot\Infinite_Uploads\GuzzleHttp\Promise\coroutine(function () {
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// Initiate the upload.
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if ($this->state->isCompleted()) {
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throw new \LogicException('This multipart upload has already ' . 'been completed or aborted.');
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}
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if (!$this->state->isInitiated()) {
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// Execute the prepare callback.
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if (is_callable($this->config["prepare_data_source"])) {
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$this->config["prepare_data_source"]();
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}
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$result = (yield $this->execCommand('initiate', $this->getInitiateParams()));
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$this->state->setUploadId($this->info['id']['upload_id'], $result[$this->info['id']['upload_id']]);
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$this->state->setStatus(\UglyRobot\Infinite_Uploads\Aws\Multipart\UploadState::INITIATED);
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}
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// Create a command pool from a generator that yields UploadPart
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// commands for each upload part.
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$resultHandler = $this->getResultHandler($errors);
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$commands = new \UglyRobot\Infinite_Uploads\Aws\CommandPool($this->client, $this->getUploadCommands($resultHandler), ['concurrency' => $this->config['concurrency'], 'before' => $this->config['before_upload']]);
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// Execute the pool of commands concurrently, and process errors.
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(yield $commands->promise());
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if ($errors) {
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throw new $this->config['exception_class']($this->state, $errors);
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}
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// Complete the multipart upload.
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(yield $this->execCommand('complete', $this->getCompleteParams()));
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$this->state->setStatus(\UglyRobot\Infinite_Uploads\Aws\Multipart\UploadState::COMPLETED);
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})->otherwise($this->buildFailureCatch());
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}
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private function transformException($e)
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{
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// Throw errors from the operations as a specific Multipart error.
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if ($e instanceof AwsException) {
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$e = new $this->config['exception_class']($this->state, $e);
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}
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throw $e;
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}
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private function buildFailureCatch()
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{
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if (interface_exists("Throwable")) {
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return function (\Throwable $e) {
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return $this->transformException($e);
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};
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} else {
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return function (\Exception $e) {
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return $this->transformException($e);
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};
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}
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}
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protected function getConfig()
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{
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return $this->config;
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}
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/**
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* Provides service-specific information about the multipart upload
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* workflow.
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*
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* This array of data should include the keys: 'command', 'id', and 'part_num'.
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*
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* @return array
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*/
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protected abstract function loadUploadWorkflowInfo();
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/**
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* Determines the part size to use for upload parts.
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*
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* Examines the provided partSize value and the source to determine the
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* best possible part size.
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*
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* @throws \InvalidArgumentException if the part size is invalid.
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*
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* @return int
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*/
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protected abstract function determinePartSize();
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/**
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* Uses information from the Command and Result to determine which part was
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* uploaded and mark it as uploaded in the upload's state.
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*
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* @param CommandInterface $command
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* @param ResultInterface $result
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*/
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protected abstract function handleResult(\UglyRobot\Infinite_Uploads\Aws\CommandInterface $command, \UglyRobot\Infinite_Uploads\Aws\ResultInterface $result);
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/**
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* Gets the service-specific parameters used to initiate the upload.
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*
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* @return array
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*/
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protected abstract function getInitiateParams();
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/**
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* Gets the service-specific parameters used to complete the upload.
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*
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* @return array
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*/
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protected abstract function getCompleteParams();
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/**
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* Based on the config and service-specific workflow info, creates a
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* `Promise` for an `UploadState` object.
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*
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* @return PromiseInterface A `Promise` that resolves to an `UploadState`.
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*/
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private function determineState()
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{
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// If the state was provided via config, then just use it.
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if ($this->config['state'] instanceof UploadState) {
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return $this->config['state'];
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}
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// Otherwise, construct a new state from the provided identifiers.
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$required = $this->info['id'];
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$id = [$required['upload_id'] => null];
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unset($required['upload_id']);
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foreach ($required as $key => $param) {
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if (!$this->config[$key]) {
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throw new \InvalidArgumentException('You must provide a value for "' . $key . '" in ' . 'your config for the MultipartUploader for ' . $this->client->getApi()->getServiceFullName() . '.');
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}
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$id[$param] = $this->config[$key];
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}
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$state = new \UglyRobot\Infinite_Uploads\Aws\Multipart\UploadState($id);
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$state->setPartSize($this->determinePartSize());
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return $state;
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}
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/**
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* Executes a MUP command with all of the parameters for the operation.
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*
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* @param string $operation Name of the operation.
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* @param array $params Service-specific params for the operation.
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*
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* @return PromiseInterface
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*/
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protected function execCommand($operation, array $params)
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{
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// Create the command.
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$command = $this->client->getCommand($this->info['command'][$operation], $params + $this->state->getId());
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// Execute the before callback.
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if (is_callable($this->config["before_{$operation}"])) {
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$this->config["before_{$operation}"]($command);
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}
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// Execute the command asynchronously and return the promise.
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return $this->client->executeAsync($command);
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}
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/**
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* Returns a middleware for processing responses of part upload operations.
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*
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* - Adds an onFulfilled callback that calls the service-specific
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* handleResult method on the Result of the operation.
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* - Adds an onRejected callback that adds the error to an array of errors.
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* - Has a passedByRef $errors arg that the exceptions get added to. The
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* caller should use that &$errors array to do error handling.
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*
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* @param array $errors Errors from upload operations are added to this.
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*
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* @return callable
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*/
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protected function getResultHandler(&$errors = [])
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{
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return function (callable $handler) use(&$errors) {
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return function (\UglyRobot\Infinite_Uploads\Aws\CommandInterface $command, \UglyRobot\Infinite_Uploads\Psr\Http\Message\RequestInterface $request = null) use($handler, &$errors) {
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return $handler($command, $request)->then(function (\UglyRobot\Infinite_Uploads\Aws\ResultInterface $result) use($command) {
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$this->handleResult($command, $result);
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return $result;
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}, function (\UglyRobot\Infinite_Uploads\Aws\Exception\AwsException $e) use(&$errors) {
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$errors[$e->getCommand()[$this->info['part_num']]] = $e;
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return new \UglyRobot\Infinite_Uploads\Aws\Result();
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});
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};
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};
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}
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/**
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* Creates a generator that yields part data for the upload's source.
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*
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* Yields associative arrays of parameters that are ultimately merged in
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* with others to form the complete parameters of a command. This can
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* include the Body parameter, which is a limited stream (i.e., a Stream
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* object, decorated with a LimitStream).
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*
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* @param callable $resultHandler
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*
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* @return \Generator
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*/
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protected abstract function getUploadCommands(callable $resultHandler);
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}
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