installed plugin W3 Total Cache version 2.3.2
This commit is contained in:
Gitium
@ -0,0 +1,64 @@
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<?php
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namespace Aws\Credentials;
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use Aws\Exception\CredentialsException;
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use Aws\Result;
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use Aws\Sts\StsClient;
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use GuzzleHttp\Promise\PromiseInterface;
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/**
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* Credential provider that provides credentials via assuming a role
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* More Information, see: http://docs.aws.amazon.com/aws-sdk-php/v3/api/api-sts-2011-06-15.html#assumerole
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*/
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class AssumeRoleCredentialProvider
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{
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const ERROR_MSG = "Missing required 'AssumeRoleCredentialProvider' configuration option: ";
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/** @var StsClient */
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private $client;
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/** @var array */
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private $assumeRoleParams;
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/**
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* The constructor requires following configure parameters:
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* - client: a StsClient
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* - assume_role_params: Parameters used to make assumeRole call
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*
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* @param array $config Configuration options
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* @throws \InvalidArgumentException
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*/
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public function __construct(array $config = [])
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{
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if (!isset($config['assume_role_params'])) {
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throw new \InvalidArgumentException(self::ERROR_MSG . "'assume_role_params'.");
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}
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if (!isset($config['client'])) {
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throw new \InvalidArgumentException(self::ERROR_MSG . "'client'.");
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}
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$this->client = $config['client'];
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$this->assumeRoleParams = $config['assume_role_params'];
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}
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/**
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* Loads assume role credentials.
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*
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* @return PromiseInterface
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*/
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public function __invoke()
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{
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$client = $this->client;
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return $client->assumeRoleAsync($this->assumeRoleParams)
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->then(function (Result $result) {
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return $this->client->createCredentials($result);
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})->otherwise(function (\RuntimeException $exception) {
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throw new CredentialsException(
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"Error in retrieving assume role credentials.",
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0,
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$exception
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);
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});
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}
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}
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@ -0,0 +1,167 @@
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<?php
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namespace Aws\Credentials;
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use Aws\Exception\AwsException;
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use Aws\Exception\CredentialsException;
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use Aws\Result;
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use Aws\Sts\StsClient;
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use GuzzleHttp\Promise;
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/**
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* Credential provider that provides credentials via assuming a role with a web identity
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* More Information, see: https://docs.aws.amazon.com/aws-sdk-php/v3/api/api-sts-2011-06-15.html#assumerolewithwebidentity
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*/
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class AssumeRoleWithWebIdentityCredentialProvider
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{
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const ERROR_MSG = "Missing required 'AssumeRoleWithWebIdentityCredentialProvider' configuration option: ";
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const ENV_RETRIES = 'AWS_METADATA_SERVICE_NUM_ATTEMPTS';
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/** @var string */
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private $tokenFile;
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/** @var string */
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private $arn;
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/** @var string */
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private $session;
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/** @var StsClient */
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private $client;
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/** @var integer */
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private $retries;
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/** @var integer */
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private $authenticationAttempts;
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/** @var integer */
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private $tokenFileReadAttempts;
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/**
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* The constructor attempts to load config from environment variables.
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* If not set, the following config options are used:
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* - WebIdentityTokenFile: full path of token filename
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* - RoleArn: arn of role to be assumed
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* - SessionName: (optional) set by SDK if not provided
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*
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* @param array $config Configuration options
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* @throws \InvalidArgumentException
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*/
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public function __construct(array $config = [])
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{
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if (!isset($config['RoleArn'])) {
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throw new \InvalidArgumentException(self::ERROR_MSG . "'RoleArn'.");
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}
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$this->arn = $config['RoleArn'];
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if (!isset($config['WebIdentityTokenFile'])) {
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throw new \InvalidArgumentException(self::ERROR_MSG . "'WebIdentityTokenFile'.");
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}
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$this->tokenFile = $config['WebIdentityTokenFile'];
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if (!preg_match("/^\w\:|^\/|^\\\/", $this->tokenFile)) {
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throw new \InvalidArgumentException("'WebIdentityTokenFile' must be an absolute path.");
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}
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$this->retries = (int) getenv(self::ENV_RETRIES) ?: (isset($config['retries']) ? $config['retries'] : 3);
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$this->authenticationAttempts = 0;
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$this->tokenFileReadAttempts = 0;
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$this->session = isset($config['SessionName'])
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? $config['SessionName']
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: 'aws-sdk-php-' . round(microtime(true) * 1000);
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$region = isset($config['region'])
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? $config['region']
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: 'us-east-1';
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if (isset($config['client'])) {
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$this->client = $config['client'];
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} else {
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$this->client = new StsClient([
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'credentials' => false,
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'region' => $region,
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'version' => 'latest'
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]);
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}
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}
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/**
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* Loads assume role with web identity credentials.
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*
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* @return Promise\PromiseInterface
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*/
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public function __invoke()
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{
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return Promise\coroutine(function () {
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$client = $this->client;
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$result = null;
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while ($result == null) {
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try {
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$token = is_readable($this->tokenFile)
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? file_get_contents($this->tokenFile)
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: false;
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if (false === $token) {
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clearstatcache(true, dirname($this->tokenFile) . "/" . readlink($this->tokenFile));
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clearstatcache(true, dirname($this->tokenFile) . "/" . dirname(readlink($this->tokenFile)));
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clearstatcache(true, $this->tokenFile);
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if (!is_readable($this->tokenFile)) {
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throw new CredentialsException(
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"Unreadable tokenfile at location {$this->tokenFile}"
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);
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}
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$token = file_get_contents($this->tokenFile);
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}
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if (empty($token)) {
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if ($this->tokenFileReadAttempts < $this->retries) {
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sleep(pow(1.2, $this->tokenFileReadAttempts));
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$this->tokenFileReadAttempts++;
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continue;
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}
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throw new CredentialsException("InvalidIdentityToken from file: {$this->tokenFile}");
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}
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} catch (\Exception $exception) {
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throw new CredentialsException(
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"Error reading WebIdentityTokenFile from " . $this->tokenFile,
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0,
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$exception
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);
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}
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$assumeParams = [
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'RoleArn' => $this->arn,
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'RoleSessionName' => $this->session,
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'WebIdentityToken' => $token
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];
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try {
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$result = $client->assumeRoleWithWebIdentity($assumeParams);
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} catch (AwsException $e) {
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if ($e->getAwsErrorCode() == 'InvalidIdentityToken') {
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if ($this->authenticationAttempts < $this->retries) {
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sleep(pow(1.2, $this->authenticationAttempts));
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} else {
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throw new CredentialsException(
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"InvalidIdentityToken, retries exhausted"
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);
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}
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} else {
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throw new CredentialsException(
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"Error assuming role from web identity credentials",
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0,
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$e
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);
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}
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} catch (\Exception $e) {
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throw new CredentialsException(
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"Error retrieving web identity credentials: " . $e->getMessage()
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. " (" . $e->getCode() . ")"
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);
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}
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$this->authenticationAttempts++;
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}
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yield $this->client->createCredentials($result);
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});
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}
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}
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||||
889
wp-content/plugins/w3-total-cache/vendor/aws/aws-sdk-php/src/Credentials/CredentialProvider.php
vendored
Normal file
889
wp-content/plugins/w3-total-cache/vendor/aws/aws-sdk-php/src/Credentials/CredentialProvider.php
vendored
Normal file
@ -0,0 +1,889 @@
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<?php
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namespace Aws\Credentials;
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use Aws;
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use Aws\Api\DateTimeResult;
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use Aws\CacheInterface;
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use Aws\Exception\CredentialsException;
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use Aws\Sts\StsClient;
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use GuzzleHttp\Promise;
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/**
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* Credential providers are functions that accept no arguments and return a
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* promise that is fulfilled with an {@see \Aws\Credentials\CredentialsInterface}
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* or rejected with an {@see \Aws\Exception\CredentialsException}.
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*
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* <code>
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* use Aws\Credentials\CredentialProvider;
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* $provider = CredentialProvider::defaultProvider();
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* // Returns a CredentialsInterface or throws.
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* $creds = $provider()->wait();
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* </code>
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*
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* Credential providers can be composed to create credentials using conditional
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* logic that can create different credentials in different environments. You
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* can compose multiple providers into a single provider using
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* {@see Aws\Credentials\CredentialProvider::chain}. This function accepts
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* providers as variadic arguments and returns a new function that will invoke
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* each provider until a successful set of credentials is returned.
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*
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* <code>
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* // First try an INI file at this location.
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* $a = CredentialProvider::ini(null, '/path/to/file.ini');
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* // Then try an INI file at this location.
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* $b = CredentialProvider::ini(null, '/path/to/other-file.ini');
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* // Then try loading from environment variables.
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* $c = CredentialProvider::env();
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* // Combine the three providers together.
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* $composed = CredentialProvider::chain($a, $b, $c);
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* // Returns a promise that is fulfilled with credentials or throws.
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* $promise = $composed();
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* // Wait on the credentials to resolve.
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* $creds = $promise->wait();
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* </code>
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*/
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class CredentialProvider
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{
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const ENV_ARN = 'AWS_ROLE_ARN';
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const ENV_KEY = 'AWS_ACCESS_KEY_ID';
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const ENV_PROFILE = 'AWS_PROFILE';
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const ENV_ROLE_SESSION_NAME = 'AWS_ROLE_SESSION_NAME';
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const ENV_SECRET = 'AWS_SECRET_ACCESS_KEY';
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const ENV_SESSION = 'AWS_SESSION_TOKEN';
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const ENV_TOKEN_FILE = 'AWS_WEB_IDENTITY_TOKEN_FILE';
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const ENV_SHARED_CREDENTIALS_FILE = 'AWS_SHARED_CREDENTIALS_FILE';
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/**
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||||
* Create a default credential provider that
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||||
* first checks for environment variables,
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* then checks for assumed role via web identity,
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* then checks for cached SSO credentials from the CLI,
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* then check for credential_process in the "default" profile in ~/.aws/credentials,
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* then checks for the "default" profile in ~/.aws/credentials,
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* then for credential_process in the "default profile" profile in ~/.aws/config,
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||||
* then checks for "profile default" profile in ~/.aws/config (which is
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||||
* the default profile of AWS CLI),
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||||
* then tries to make a GET Request to fetch credentials if ECS environment variable is presented,
|
||||
* finally checks for EC2 instance profile credentials.
|
||||
*
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||||
* This provider is automatically wrapped in a memoize function that caches
|
||||
* previously provided credentials.
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||||
*
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||||
* @param array $config Optional array of ecs/instance profile credentials
|
||||
* provider options.
|
||||
*
|
||||
* @return callable
|
||||
*/
|
||||
public static function defaultProvider(array $config = [])
|
||||
{
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||||
$cacheable = [
|
||||
'web_identity',
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||||
'sso',
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||||
'process_credentials',
|
||||
'process_config',
|
||||
'ecs',
|
||||
'instance'
|
||||
];
|
||||
|
||||
$defaultChain = [
|
||||
'env' => self::env(),
|
||||
'web_identity' => self::assumeRoleWithWebIdentityCredentialProvider($config),
|
||||
];
|
||||
if (
|
||||
!isset($config['use_aws_shared_config_files'])
|
||||
|| $config['use_aws_shared_config_files'] !== false
|
||||
) {
|
||||
$defaultChain['sso'] = self::sso(
|
||||
'profile default',
|
||||
self::getHomeDir() . '/.aws/config',
|
||||
$config
|
||||
);
|
||||
$defaultChain['process_credentials'] = self::process();
|
||||
$defaultChain['ini'] = self::ini();
|
||||
$defaultChain['process_config'] = self::process(
|
||||
'profile default',
|
||||
self::getHomeDir() . '/.aws/config'
|
||||
);
|
||||
$defaultChain['ini_config'] = self::ini(
|
||||
'profile default',
|
||||
self::getHomeDir() . '/.aws/config'
|
||||
);
|
||||
}
|
||||
|
||||
$shouldUseEcsCredentialsProvider = getenv(EcsCredentialProvider::ENV_URI);
|
||||
// getenv() is not thread safe - fall back to $_SERVER
|
||||
if ($shouldUseEcsCredentialsProvider === false) {
|
||||
$shouldUseEcsCredentialsProvider = isset($_SERVER[EcsCredentialProvider::ENV_URI])
|
||||
? $_SERVER[EcsCredentialProvider::ENV_URI]
|
||||
: false;
|
||||
}
|
||||
|
||||
if (!empty($shouldUseEcsCredentialsProvider)) {
|
||||
$defaultChain['ecs'] = self::ecsCredentials($config);
|
||||
} else {
|
||||
$defaultChain['instance'] = self::instanceProfile($config);
|
||||
}
|
||||
|
||||
if (isset($config['credentials'])
|
||||
&& $config['credentials'] instanceof CacheInterface
|
||||
) {
|
||||
foreach ($cacheable as $provider) {
|
||||
if (isset($defaultChain[$provider])) {
|
||||
$defaultChain[$provider] = self::cache(
|
||||
$defaultChain[$provider],
|
||||
$config['credentials'],
|
||||
'aws_cached_' . $provider . '_credentials'
|
||||
);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return self::memoize(
|
||||
call_user_func_array(
|
||||
'self::chain',
|
||||
array_values($defaultChain)
|
||||
)
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* Create a credential provider function from a set of static credentials.
|
||||
*
|
||||
* @param CredentialsInterface $creds
|
||||
*
|
||||
* @return callable
|
||||
*/
|
||||
public static function fromCredentials(CredentialsInterface $creds)
|
||||
{
|
||||
$promise = Promise\promise_for($creds);
|
||||
|
||||
return function () use ($promise) {
|
||||
return $promise;
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Creates an aggregate credentials provider that invokes the provided
|
||||
* variadic providers one after the other until a provider returns
|
||||
* credentials.
|
||||
*
|
||||
* @return callable
|
||||
*/
|
||||
public static function chain()
|
||||
{
|
||||
$links = func_get_args();
|
||||
if (empty($links)) {
|
||||
throw new \InvalidArgumentException('No providers in chain');
|
||||
}
|
||||
|
||||
return function () use ($links) {
|
||||
/** @var callable $parent */
|
||||
$parent = array_shift($links);
|
||||
$promise = $parent();
|
||||
while ($next = array_shift($links)) {
|
||||
$promise = $promise->otherwise($next);
|
||||
}
|
||||
return $promise;
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Wraps a credential provider and caches previously provided credentials.
|
||||
*
|
||||
* Ensures that cached credentials are refreshed when they expire.
|
||||
*
|
||||
* @param callable $provider Credentials provider function to wrap.
|
||||
*
|
||||
* @return callable
|
||||
*/
|
||||
public static function memoize(callable $provider)
|
||||
{
|
||||
return function () use ($provider) {
|
||||
static $result;
|
||||
static $isConstant;
|
||||
|
||||
// Constant credentials will be returned constantly.
|
||||
if ($isConstant) {
|
||||
return $result;
|
||||
}
|
||||
|
||||
// Create the initial promise that will be used as the cached value
|
||||
// until it expires.
|
||||
if (null === $result) {
|
||||
$result = $provider();
|
||||
}
|
||||
|
||||
// Return credentials that could expire and refresh when needed.
|
||||
return $result
|
||||
->then(function (CredentialsInterface $creds) use ($provider, &$isConstant, &$result) {
|
||||
// Determine if these are constant credentials.
|
||||
if (!$creds->getExpiration()) {
|
||||
$isConstant = true;
|
||||
return $creds;
|
||||
}
|
||||
|
||||
// Refresh expired credentials.
|
||||
if (!$creds->isExpired()) {
|
||||
return $creds;
|
||||
}
|
||||
// Refresh the result and forward the promise.
|
||||
return $result = $provider();
|
||||
})
|
||||
->otherwise(function($reason) use (&$result) {
|
||||
// Cleanup rejected promise.
|
||||
$result = null;
|
||||
return new Promise\RejectedPromise($reason);
|
||||
});
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Wraps a credential provider and saves provided credentials in an
|
||||
* instance of Aws\CacheInterface. Forwards calls when no credentials found
|
||||
* in cache and updates cache with the results.
|
||||
*
|
||||
* @param callable $provider Credentials provider function to wrap
|
||||
* @param CacheInterface $cache Cache to store credentials
|
||||
* @param string|null $cacheKey (optional) Cache key to use
|
||||
*
|
||||
* @return callable
|
||||
*/
|
||||
public static function cache(
|
||||
callable $provider,
|
||||
CacheInterface $cache,
|
||||
$cacheKey = null
|
||||
) {
|
||||
$cacheKey = $cacheKey ?: 'aws_cached_credentials';
|
||||
|
||||
return function () use ($provider, $cache, $cacheKey) {
|
||||
$found = $cache->get($cacheKey);
|
||||
if ($found instanceof CredentialsInterface && !$found->isExpired()) {
|
||||
return Promise\promise_for($found);
|
||||
}
|
||||
|
||||
return $provider()
|
||||
->then(function (CredentialsInterface $creds) use (
|
||||
$cache,
|
||||
$cacheKey
|
||||
) {
|
||||
$cache->set(
|
||||
$cacheKey,
|
||||
$creds,
|
||||
null === $creds->getExpiration() ?
|
||||
0 : $creds->getExpiration() - time()
|
||||
);
|
||||
|
||||
return $creds;
|
||||
});
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Provider that creates credentials from environment variables
|
||||
* AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, and AWS_SESSION_TOKEN.
|
||||
*
|
||||
* @return callable
|
||||
*/
|
||||
public static function env()
|
||||
{
|
||||
return function () {
|
||||
// Use credentials from environment variables, if available
|
||||
$key = getenv(self::ENV_KEY);
|
||||
$secret = getenv(self::ENV_SECRET);
|
||||
if ($key && $secret) {
|
||||
return Promise\promise_for(
|
||||
new Credentials($key, $secret, getenv(self::ENV_SESSION) ?: NULL)
|
||||
);
|
||||
}
|
||||
|
||||
return self::reject('Could not find environment variable '
|
||||
. 'credentials in ' . self::ENV_KEY . '/' . self::ENV_SECRET);
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Credential provider that creates credentials using instance profile
|
||||
* credentials.
|
||||
*
|
||||
* @param array $config Array of configuration data.
|
||||
*
|
||||
* @return InstanceProfileProvider
|
||||
* @see Aws\Credentials\InstanceProfileProvider for $config details.
|
||||
*/
|
||||
public static function instanceProfile(array $config = [])
|
||||
{
|
||||
return new InstanceProfileProvider($config);
|
||||
}
|
||||
|
||||
/**
|
||||
* Credential provider that retrieves cached SSO credentials from the CLI
|
||||
*
|
||||
* @return callable
|
||||
*/
|
||||
public static function sso($ssoProfileName, $filename = null, $config = [])
|
||||
{
|
||||
$filename = $filename ?: (self::getHomeDir() . '/.aws/config');
|
||||
|
||||
return function () use ($ssoProfileName, $filename, $config) {
|
||||
if (!is_readable($filename)) {
|
||||
return self::reject("Cannot read credentials from $filename");
|
||||
}
|
||||
$profiles = self::loadProfiles($filename);
|
||||
if (!isset($profiles[$ssoProfileName])) {
|
||||
return self::reject("Profile {$ssoProfileName} does not exist in {$filename}.");
|
||||
}
|
||||
$ssoProfile = $profiles[$ssoProfileName];
|
||||
if (empty($ssoProfile['sso_start_url'])
|
||||
|| empty($ssoProfile['sso_region'])
|
||||
|| empty($ssoProfile['sso_account_id'])
|
||||
|| empty($ssoProfile['sso_role_name'])
|
||||
) {
|
||||
return self::reject(
|
||||
"Profile {$ssoProfileName} in {$filename} must contain the following keys: "
|
||||
. "sso_start_url, sso_region, sso_account_id, and sso_role_name."
|
||||
);
|
||||
}
|
||||
|
||||
$tokenLocation = self::getHomeDir()
|
||||
. '/.aws/sso/cache/'
|
||||
. utf8_encode(sha1($ssoProfile['sso_start_url']))
|
||||
. ".json";
|
||||
|
||||
if (!is_readable($tokenLocation)) {
|
||||
return self::reject("Unable to read token file at $tokenLocation");
|
||||
}
|
||||
|
||||
$tokenData = json_decode(file_get_contents($tokenLocation), true);
|
||||
if (empty($tokenData['accessToken']) || empty($tokenData['expiresAt'])) {
|
||||
return self::reject(
|
||||
"Token file at {$tokenLocation} must contain an access token and an expiration"
|
||||
);
|
||||
}
|
||||
try {
|
||||
$expiration = (new DateTimeResult($tokenData['expiresAt']))->getTimestamp();
|
||||
} catch (\Exception $e) {
|
||||
return self::reject("Cached SSO credentials returned an invalid expiration");
|
||||
}
|
||||
$now = time();
|
||||
if ($expiration < $now) {
|
||||
return self::reject("Cached SSO credentials returned expired credentials");
|
||||
}
|
||||
|
||||
$ssoClient = null;
|
||||
if (empty($config['ssoClient'])) {
|
||||
$ssoClient = new Aws\SSO\SSOClient([
|
||||
'region' => $ssoProfile['sso_region'],
|
||||
'version' => '2019-06-10',
|
||||
'credentials' => false
|
||||
]);
|
||||
} else {
|
||||
$ssoClient = $config['ssoClient'];
|
||||
}
|
||||
$ssoResponse = $ssoClient->getRoleCredentials([
|
||||
'accessToken' => $tokenData['accessToken'],
|
||||
'accountId' => $ssoProfile['sso_account_id'],
|
||||
'roleName' => $ssoProfile['sso_role_name']
|
||||
]);
|
||||
|
||||
$ssoCredentials = $ssoResponse['roleCredentials'];
|
||||
return Promise\promise_for(
|
||||
new Credentials(
|
||||
$ssoCredentials['accessKeyId'],
|
||||
$ssoCredentials['secretAccessKey'],
|
||||
$ssoCredentials['sessionToken'],
|
||||
$expiration
|
||||
)
|
||||
);
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Credential provider that creates credentials using
|
||||
* ecs credentials by a GET request, whose uri is specified
|
||||
* by environment variable
|
||||
*
|
||||
* @param array $config Array of configuration data.
|
||||
*
|
||||
* @return EcsCredentialProvider
|
||||
* @see Aws\Credentials\EcsCredentialProvider for $config details.
|
||||
*/
|
||||
public static function ecsCredentials(array $config = [])
|
||||
{
|
||||
return new EcsCredentialProvider($config);
|
||||
}
|
||||
|
||||
/**
|
||||
* Credential provider that creates credentials using assume role
|
||||
*
|
||||
* @param array $config Array of configuration data
|
||||
* @return callable
|
||||
* @see Aws\Credentials\AssumeRoleCredentialProvider for $config details.
|
||||
*/
|
||||
public static function assumeRole(array $config=[])
|
||||
{
|
||||
return new AssumeRoleCredentialProvider($config);
|
||||
}
|
||||
|
||||
/**
|
||||
* Credential provider that creates credentials by assuming role from a
|
||||
* Web Identity Token
|
||||
*
|
||||
* @param array $config Array of configuration data
|
||||
* @return callable
|
||||
* @see Aws\Credentials\AssumeRoleWithWebIdentityCredentialProvider for
|
||||
* $config details.
|
||||
*/
|
||||
public static function assumeRoleWithWebIdentityCredentialProvider(array $config = [])
|
||||
{
|
||||
return function () use ($config) {
|
||||
$arnFromEnv = getenv(self::ENV_ARN);
|
||||
$tokenFromEnv = getenv(self::ENV_TOKEN_FILE);
|
||||
$stsClient = isset($config['stsClient'])
|
||||
? $config['stsClient']
|
||||
: null;
|
||||
$region = isset($config['region'])
|
||||
? $config['region']
|
||||
: null;
|
||||
|
||||
if ($tokenFromEnv && $arnFromEnv) {
|
||||
$sessionName = getenv(self::ENV_ROLE_SESSION_NAME)
|
||||
? getenv(self::ENV_ROLE_SESSION_NAME)
|
||||
: null;
|
||||
$provider = new AssumeRoleWithWebIdentityCredentialProvider([
|
||||
'RoleArn' => $arnFromEnv,
|
||||
'WebIdentityTokenFile' => $tokenFromEnv,
|
||||
'SessionName' => $sessionName,
|
||||
'client' => $stsClient,
|
||||
'region' => $region
|
||||
]);
|
||||
|
||||
return $provider();
|
||||
}
|
||||
|
||||
$profileName = getenv(self::ENV_PROFILE) ?: 'default';
|
||||
if (isset($config['filename'])) {
|
||||
$profiles = self::loadProfiles($config['filename']);
|
||||
} else {
|
||||
$profiles = self::loadDefaultProfiles();
|
||||
}
|
||||
|
||||
if (isset($profiles[$profileName])) {
|
||||
$profile = $profiles[$profileName];
|
||||
if (isset($profile['region'])) {
|
||||
$region = $profile['region'];
|
||||
}
|
||||
if (isset($profile['web_identity_token_file'])
|
||||
&& isset($profile['role_arn'])
|
||||
) {
|
||||
$sessionName = isset($profile['role_session_name'])
|
||||
? $profile['role_session_name']
|
||||
: null;
|
||||
$provider = new AssumeRoleWithWebIdentityCredentialProvider([
|
||||
'RoleArn' => $profile['role_arn'],
|
||||
'WebIdentityTokenFile' => $profile['web_identity_token_file'],
|
||||
'SessionName' => $sessionName,
|
||||
'client' => $stsClient,
|
||||
'region' => $region
|
||||
]);
|
||||
|
||||
return $provider();
|
||||
}
|
||||
} else {
|
||||
return self::reject("Unknown profile: $profileName");
|
||||
}
|
||||
return self::reject("No RoleArn or WebIdentityTokenFile specified");
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Credentials provider that creates credentials using an ini file stored
|
||||
* in the current user's home directory. A source can be provided
|
||||
* in this file for assuming a role using the credential_source config option.
|
||||
*
|
||||
* @param string|null $profile Profile to use. If not specified will use
|
||||
* the "default" profile in "~/.aws/credentials".
|
||||
* @param string|null $filename If provided, uses a custom filename rather
|
||||
* than looking in the home directory.
|
||||
* @param array|null $config If provided, may contain the following:
|
||||
* preferStaticCredentials: If true, prefer static
|
||||
* credentials to role_arn if both are present
|
||||
* disableAssumeRole: If true, disable support for
|
||||
* roles that assume an IAM role. If true and role profile
|
||||
* is selected, an error is raised.
|
||||
* stsClient: StsClient used to assume role specified in profile
|
||||
*
|
||||
* @return callable
|
||||
*/
|
||||
public static function ini($profile = null, $filename = null, array $config = [])
|
||||
{
|
||||
$filename = self::getFileName($filename);
|
||||
$profile = $profile ?: (getenv(self::ENV_PROFILE) ?: 'default');
|
||||
|
||||
return function () use ($profile, $filename, $config) {
|
||||
$preferStaticCredentials = isset($config['preferStaticCredentials'])
|
||||
? $config['preferStaticCredentials']
|
||||
: false;
|
||||
$disableAssumeRole = isset($config['disableAssumeRole'])
|
||||
? $config['disableAssumeRole']
|
||||
: false;
|
||||
$stsClient = isset($config['stsClient']) ? $config['stsClient'] : null;
|
||||
|
||||
if (!is_readable($filename)) {
|
||||
return self::reject("Cannot read credentials from $filename");
|
||||
}
|
||||
$data = self::loadProfiles($filename);
|
||||
if ($data === false) {
|
||||
return self::reject("Invalid credentials file: $filename");
|
||||
}
|
||||
if (!isset($data[$profile])) {
|
||||
return self::reject("'$profile' not found in credentials file");
|
||||
}
|
||||
|
||||
/*
|
||||
In the CLI, the presence of both a role_arn and static credentials have
|
||||
different meanings depending on how many profiles have been visited. For
|
||||
the first profile processed, role_arn takes precedence over any static
|
||||
credentials, but for all subsequent profiles, static credentials are
|
||||
used if present, and only in their absence will the profile's
|
||||
source_profile and role_arn keys be used to load another set of
|
||||
credentials. This bool is intended to yield compatible behaviour in this
|
||||
sdk.
|
||||
*/
|
||||
$preferStaticCredentialsToRoleArn = ($preferStaticCredentials
|
||||
&& isset($data[$profile]['aws_access_key_id'])
|
||||
&& isset($data[$profile]['aws_secret_access_key']));
|
||||
|
||||
if (isset($data[$profile]['role_arn'])
|
||||
&& !$preferStaticCredentialsToRoleArn
|
||||
) {
|
||||
if ($disableAssumeRole) {
|
||||
return self::reject(
|
||||
"Role assumption profiles are disabled. "
|
||||
. "Failed to load profile " . $profile);
|
||||
}
|
||||
return self::loadRoleProfile(
|
||||
$data,
|
||||
$profile,
|
||||
$filename,
|
||||
$stsClient,
|
||||
$config
|
||||
);
|
||||
}
|
||||
|
||||
if (!isset($data[$profile]['aws_access_key_id'])
|
||||
|| !isset($data[$profile]['aws_secret_access_key'])
|
||||
) {
|
||||
return self::reject("No credentials present in INI profile "
|
||||
. "'$profile' ($filename)");
|
||||
}
|
||||
|
||||
if (empty($data[$profile]['aws_session_token'])) {
|
||||
$data[$profile]['aws_session_token']
|
||||
= isset($data[$profile]['aws_security_token'])
|
||||
? $data[$profile]['aws_security_token']
|
||||
: null;
|
||||
}
|
||||
|
||||
return Promise\promise_for(
|
||||
new Credentials(
|
||||
$data[$profile]['aws_access_key_id'],
|
||||
$data[$profile]['aws_secret_access_key'],
|
||||
$data[$profile]['aws_session_token']
|
||||
)
|
||||
);
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Credentials provider that creates credentials using a process configured in
|
||||
* ini file stored in the current user's home directory.
|
||||
*
|
||||
* @param string|null $profile Profile to use. If not specified will use
|
||||
* the "default" profile in "~/.aws/credentials".
|
||||
* @param string|null $filename If provided, uses a custom filename rather
|
||||
* than looking in the home directory.
|
||||
*
|
||||
* @return callable
|
||||
*/
|
||||
public static function process($profile = null, $filename = null)
|
||||
{
|
||||
$filename = self::getFileName($filename);
|
||||
$profile = $profile ?: (getenv(self::ENV_PROFILE) ?: 'default');
|
||||
|
||||
return function () use ($profile, $filename) {
|
||||
if (!is_readable($filename)) {
|
||||
return self::reject("Cannot read process credentials from $filename");
|
||||
}
|
||||
$data = \Aws\parse_ini_file($filename, true, INI_SCANNER_RAW);
|
||||
if ($data === false) {
|
||||
return self::reject("Invalid credentials file: $filename");
|
||||
}
|
||||
if (!isset($data[$profile])) {
|
||||
return self::reject("'$profile' not found in credentials file");
|
||||
}
|
||||
if (!isset($data[$profile]['credential_process'])) {
|
||||
return self::reject("No credential_process present in INI profile "
|
||||
. "'$profile' ($filename)");
|
||||
}
|
||||
|
||||
$credentialProcess = $data[$profile]['credential_process'];
|
||||
$json = shell_exec($credentialProcess);
|
||||
|
||||
$processData = json_decode($json, true);
|
||||
|
||||
// Only support version 1
|
||||
if (isset($processData['Version'])) {
|
||||
if ($processData['Version'] !== 1) {
|
||||
return self::reject("credential_process does not return Version == 1");
|
||||
}
|
||||
}
|
||||
|
||||
if (!isset($processData['AccessKeyId'])
|
||||
|| !isset($processData['SecretAccessKey']))
|
||||
{
|
||||
return self::reject("credential_process does not return valid credentials");
|
||||
}
|
||||
|
||||
if (isset($processData['Expiration'])) {
|
||||
try {
|
||||
$expiration = new DateTimeResult($processData['Expiration']);
|
||||
} catch (\Exception $e) {
|
||||
return self::reject("credential_process returned invalid expiration");
|
||||
}
|
||||
$now = new DateTimeResult();
|
||||
if ($expiration < $now) {
|
||||
return self::reject("credential_process returned expired credentials");
|
||||
}
|
||||
$expires = $expiration->getTimestamp();
|
||||
} else {
|
||||
$expires = null;
|
||||
}
|
||||
|
||||
if (empty($processData['SessionToken'])) {
|
||||
$processData['SessionToken'] = null;
|
||||
}
|
||||
|
||||
return Promise\promise_for(
|
||||
new Credentials(
|
||||
$processData['AccessKeyId'],
|
||||
$processData['SecretAccessKey'],
|
||||
$processData['SessionToken'],
|
||||
$expires
|
||||
)
|
||||
);
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Assumes role for profile that includes role_arn
|
||||
*
|
||||
* @return callable
|
||||
*/
|
||||
private static function loadRoleProfile(
|
||||
$profiles,
|
||||
$profileName,
|
||||
$filename,
|
||||
$stsClient,
|
||||
$config = []
|
||||
) {
|
||||
$roleProfile = $profiles[$profileName];
|
||||
$roleArn = isset($roleProfile['role_arn']) ? $roleProfile['role_arn'] : '';
|
||||
$roleSessionName = isset($roleProfile['role_session_name'])
|
||||
? $roleProfile['role_session_name']
|
||||
: 'aws-sdk-php-' . round(microtime(true) * 1000);
|
||||
|
||||
if (
|
||||
empty($roleProfile['source_profile'])
|
||||
== empty($roleProfile['credential_source'])
|
||||
) {
|
||||
return self::reject("Either source_profile or credential_source must be set " .
|
||||
"using profile " . $profileName . ", but not both."
|
||||
);
|
||||
}
|
||||
|
||||
$sourceProfileName = "";
|
||||
if (!empty($roleProfile['source_profile'])) {
|
||||
$sourceProfileName = $roleProfile['source_profile'];
|
||||
if (!isset($profiles[$sourceProfileName])) {
|
||||
return self::reject("source_profile " . $sourceProfileName
|
||||
. " using profile " . $profileName . " does not exist"
|
||||
);
|
||||
}
|
||||
if (isset($config['visited_profiles']) &&
|
||||
in_array($roleProfile['source_profile'], $config['visited_profiles'])
|
||||
) {
|
||||
return self::reject("Circular source_profile reference found.");
|
||||
}
|
||||
$config['visited_profiles'] [] = $roleProfile['source_profile'];
|
||||
} else {
|
||||
if (empty($roleArn)) {
|
||||
return self::reject(
|
||||
"A role_arn must be provided with credential_source in " .
|
||||
"file {$filename} under profile {$profileName} "
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
if (empty($stsClient)) {
|
||||
$sourceRegion = isset($profiles[$sourceProfileName]['region'])
|
||||
? $profiles[$sourceProfileName]['region']
|
||||
: 'us-east-1';
|
||||
$config['preferStaticCredentials'] = true;
|
||||
$sourceCredentials = null;
|
||||
if (!empty($roleProfile['source_profile'])){
|
||||
$sourceCredentials = call_user_func(
|
||||
CredentialProvider::ini($sourceProfileName, $filename, $config)
|
||||
)->wait();
|
||||
} else {
|
||||
$sourceCredentials = self::getCredentialsFromSource(
|
||||
$profileName,
|
||||
$filename
|
||||
);
|
||||
}
|
||||
$stsClient = new StsClient([
|
||||
'credentials' => $sourceCredentials,
|
||||
'region' => $sourceRegion,
|
||||
'version' => '2011-06-15',
|
||||
]);
|
||||
}
|
||||
|
||||
$result = $stsClient->assumeRole([
|
||||
'RoleArn' => $roleArn,
|
||||
'RoleSessionName' => $roleSessionName
|
||||
]);
|
||||
|
||||
$credentials = $stsClient->createCredentials($result);
|
||||
return Promise\promise_for($credentials);
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets the environment's HOME directory if available.
|
||||
*
|
||||
* @return null|string
|
||||
*/
|
||||
private static function getHomeDir()
|
||||
{
|
||||
// On Linux/Unix-like systems, use the HOME environment variable
|
||||
if ($homeDir = getenv('HOME')) {
|
||||
return $homeDir;
|
||||
}
|
||||
|
||||
// Get the HOMEDRIVE and HOMEPATH values for Windows hosts
|
||||
$homeDrive = getenv('HOMEDRIVE');
|
||||
$homePath = getenv('HOMEPATH');
|
||||
|
||||
return ($homeDrive && $homePath) ? $homeDrive . $homePath : null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets profiles from specified $filename, or default ini files.
|
||||
*/
|
||||
private static function loadProfiles($filename)
|
||||
{
|
||||
$profileData = \Aws\parse_ini_file($filename, true, INI_SCANNER_RAW);
|
||||
|
||||
// If loading .aws/credentials, also load .aws/config when AWS_SDK_LOAD_NONDEFAULT_CONFIG is set
|
||||
if ($filename === self::getHomeDir() . '/.aws/credentials'
|
||||
&& getenv('AWS_SDK_LOAD_NONDEFAULT_CONFIG')
|
||||
) {
|
||||
$configFilename = self::getHomeDir() . '/.aws/config';
|
||||
$configProfileData = \Aws\parse_ini_file($configFilename, true, INI_SCANNER_RAW);
|
||||
foreach ($configProfileData as $name => $profile) {
|
||||
// standardize config profile names
|
||||
$name = str_replace('profile ', '', $name);
|
||||
if (!isset($profileData[$name])) {
|
||||
$profileData[$name] = $profile;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return $profileData;
|
||||
}
|
||||
|
||||
/**
|
||||
* Gets profiles from ~/.aws/credentials and ~/.aws/config ini files
|
||||
*/
|
||||
private static function loadDefaultProfiles() {
|
||||
$profiles = [];
|
||||
$credFile = self::getHomeDir() . '/.aws/credentials';
|
||||
$configFile = self::getHomeDir() . '/.aws/config';
|
||||
if (file_exists($credFile)) {
|
||||
$profiles = \Aws\parse_ini_file($credFile, true, INI_SCANNER_RAW);
|
||||
}
|
||||
|
||||
if (file_exists($configFile)) {
|
||||
$configProfileData = \Aws\parse_ini_file($configFile, true, INI_SCANNER_RAW);
|
||||
foreach ($configProfileData as $name => $profile) {
|
||||
// standardize config profile names
|
||||
$name = str_replace('profile ', '', $name);
|
||||
if (!isset($profiles[$name])) {
|
||||
$profiles[$name] = $profile;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return $profiles;
|
||||
}
|
||||
|
||||
public static function getCredentialsFromSource(
|
||||
$profileName = '',
|
||||
$filename = '',
|
||||
$config = []
|
||||
) {
|
||||
$data = self::loadProfiles($filename);
|
||||
$credentialSource = !empty($data[$profileName]['credential_source'])
|
||||
? $data[$profileName]['credential_source']
|
||||
: null;
|
||||
$credentialsPromise = null;
|
||||
|
||||
switch ($credentialSource) {
|
||||
case 'Environment':
|
||||
$credentialsPromise = self::env();
|
||||
break;
|
||||
case 'Ec2InstanceMetadata':
|
||||
$credentialsPromise = self::instanceProfile($config);
|
||||
break;
|
||||
case 'EcsContainer':
|
||||
$credentialsPromise = self::ecsCredentials($config);
|
||||
break;
|
||||
default:
|
||||
throw new CredentialsException(
|
||||
"Invalid credential_source found in config file: {$credentialSource}. Valid inputs "
|
||||
. "include Environment, Ec2InstanceMetadata, and EcsContainer."
|
||||
);
|
||||
}
|
||||
|
||||
$credentialsResult = null;
|
||||
try {
|
||||
$credentialsResult = $credentialsPromise()->wait();
|
||||
} catch (\Exception $reason) {
|
||||
return self::reject(
|
||||
"Unable to successfully retrieve credentials from the source specified in the"
|
||||
. " credentials file: {$credentialSource}; failure message was: "
|
||||
. $reason->getMessage()
|
||||
);
|
||||
}
|
||||
return function () use ($credentialsResult) {
|
||||
return Promise\promise_for($credentialsResult);
|
||||
};
|
||||
}
|
||||
|
||||
private static function reject($msg)
|
||||
{
|
||||
return new Promise\RejectedPromise(new CredentialsException($msg));
|
||||
}
|
||||
|
||||
/**
|
||||
* @param $filename
|
||||
* @return string
|
||||
*/
|
||||
private static function getFileName($filename)
|
||||
{
|
||||
if (!isset($filename)) {
|
||||
$filename = getenv(self::ENV_SHARED_CREDENTIALS_FILE) ?:
|
||||
(self::getHomeDir() . '/.aws/credentials');
|
||||
}
|
||||
return $filename;
|
||||
}
|
||||
}
|
||||
|
||||
91
wp-content/plugins/w3-total-cache/vendor/aws/aws-sdk-php/src/Credentials/Credentials.php
vendored
Normal file
91
wp-content/plugins/w3-total-cache/vendor/aws/aws-sdk-php/src/Credentials/Credentials.php
vendored
Normal file
@ -0,0 +1,91 @@
|
||||
<?php
|
||||
namespace Aws\Credentials;
|
||||
|
||||
/**
|
||||
* Basic implementation of the AWS Credentials interface that allows callers to
|
||||
* pass in the AWS Access Key and AWS Secret Access Key in the constructor.
|
||||
*/
|
||||
class Credentials implements CredentialsInterface, \Serializable
|
||||
{
|
||||
private $key;
|
||||
private $secret;
|
||||
private $token;
|
||||
private $expires;
|
||||
|
||||
/**
|
||||
* Constructs a new BasicAWSCredentials object, with the specified AWS
|
||||
* access key and AWS secret key
|
||||
*
|
||||
* @param string $key AWS access key ID
|
||||
* @param string $secret AWS secret access key
|
||||
* @param string $token Security token to use
|
||||
* @param int $expires UNIX timestamp for when credentials expire
|
||||
*/
|
||||
public function __construct($key, $secret, $token = null, $expires = null)
|
||||
{
|
||||
$this->key = trim($key);
|
||||
$this->secret = trim($secret);
|
||||
$this->token = $token;
|
||||
$this->expires = $expires;
|
||||
}
|
||||
|
||||
public static function __set_state(array $state)
|
||||
{
|
||||
return new self(
|
||||
$state['key'],
|
||||
$state['secret'],
|
||||
$state['token'],
|
||||
$state['expires']
|
||||
);
|
||||
}
|
||||
|
||||
public function getAccessKeyId()
|
||||
{
|
||||
return $this->key;
|
||||
}
|
||||
|
||||
public function getSecretKey()
|
||||
{
|
||||
return $this->secret;
|
||||
}
|
||||
|
||||
public function getSecurityToken()
|
||||
{
|
||||
return $this->token;
|
||||
}
|
||||
|
||||
public function getExpiration()
|
||||
{
|
||||
return $this->expires;
|
||||
}
|
||||
|
||||
public function isExpired()
|
||||
{
|
||||
return $this->expires !== null && time() >= $this->expires;
|
||||
}
|
||||
|
||||
public function toArray()
|
||||
{
|
||||
return [
|
||||
'key' => $this->key,
|
||||
'secret' => $this->secret,
|
||||
'token' => $this->token,
|
||||
'expires' => $this->expires
|
||||
];
|
||||
}
|
||||
|
||||
public function serialize()
|
||||
{
|
||||
return json_encode($this->toArray());
|
||||
}
|
||||
|
||||
public function unserialize($serialized)
|
||||
{
|
||||
$data = json_decode($serialized, true);
|
||||
|
||||
$this->key = $data['key'];
|
||||
$this->secret = $data['secret'];
|
||||
$this->token = $data['token'];
|
||||
$this->expires = $data['expires'];
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,52 @@
|
||||
<?php
|
||||
namespace Aws\Credentials;
|
||||
|
||||
/**
|
||||
* Provides access to the AWS credentials used for accessing AWS services: AWS
|
||||
* access key ID, secret access key, and security token. These credentials are
|
||||
* used to securely sign requests to AWS services.
|
||||
*/
|
||||
interface CredentialsInterface
|
||||
{
|
||||
/**
|
||||
* Returns the AWS access key ID for this credentials object.
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
public function getAccessKeyId();
|
||||
|
||||
/**
|
||||
* Returns the AWS secret access key for this credentials object.
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
public function getSecretKey();
|
||||
|
||||
/**
|
||||
* Get the associated security token if available
|
||||
*
|
||||
* @return string|null
|
||||
*/
|
||||
public function getSecurityToken();
|
||||
|
||||
/**
|
||||
* Get the UNIX timestamp in which the credentials will expire
|
||||
*
|
||||
* @return int|null
|
||||
*/
|
||||
public function getExpiration();
|
||||
|
||||
/**
|
||||
* Check if the credentials are expired
|
||||
*
|
||||
* @return bool
|
||||
*/
|
||||
public function isExpired();
|
||||
|
||||
/**
|
||||
* Converts the credentials to an associative array.
|
||||
*
|
||||
* @return array
|
||||
*/
|
||||
public function toArray();
|
||||
}
|
||||
105
wp-content/plugins/w3-total-cache/vendor/aws/aws-sdk-php/src/Credentials/EcsCredentialProvider.php
vendored
Normal file
105
wp-content/plugins/w3-total-cache/vendor/aws/aws-sdk-php/src/Credentials/EcsCredentialProvider.php
vendored
Normal file
@ -0,0 +1,105 @@
|
||||
<?php
|
||||
namespace Aws\Credentials;
|
||||
|
||||
use Aws\Exception\CredentialsException;
|
||||
use GuzzleHttp\Psr7\Request;
|
||||
use GuzzleHttp\Promise\PromiseInterface;
|
||||
use Psr\Http\Message\ResponseInterface;
|
||||
|
||||
/**
|
||||
* Credential provider that fetches credentials with GET request.
|
||||
* ECS environment variable is used in constructing request URI.
|
||||
*/
|
||||
class EcsCredentialProvider
|
||||
{
|
||||
const SERVER_URI = 'http://169.254.170.2';
|
||||
const ENV_URI = "AWS_CONTAINER_CREDENTIALS_RELATIVE_URI";
|
||||
const ENV_TIMEOUT = 'AWS_METADATA_SERVICE_TIMEOUT';
|
||||
|
||||
/** @var callable */
|
||||
private $client;
|
||||
|
||||
/** @var float|mixed */
|
||||
private $timeout;
|
||||
|
||||
/**
|
||||
* The constructor accepts following options:
|
||||
* - timeout: (optional) Connection timeout, in seconds, default 1.0
|
||||
* - client: An EcsClient to make request from
|
||||
*
|
||||
* @param array $config Configuration options
|
||||
*/
|
||||
public function __construct(array $config = [])
|
||||
{
|
||||
$timeout = getenv(self::ENV_TIMEOUT);
|
||||
|
||||
if (!$timeout) {
|
||||
$timeout = isset($_SERVER[self::ENV_TIMEOUT])
|
||||
? $_SERVER[self::ENV_TIMEOUT]
|
||||
: (isset($config['timeout']) ? $config['timeout'] : 1.0);
|
||||
}
|
||||
|
||||
$this->timeout = (float) $timeout;
|
||||
$this->client = isset($config['client'])
|
||||
? $config['client']
|
||||
: \Aws\default_http_handler();
|
||||
}
|
||||
|
||||
/**
|
||||
* Load ECS credentials
|
||||
*
|
||||
* @return PromiseInterface
|
||||
*/
|
||||
public function __invoke()
|
||||
{
|
||||
$client = $this->client;
|
||||
$request = new Request('GET', self::getEcsUri());
|
||||
return $client(
|
||||
$request,
|
||||
[
|
||||
'timeout' => $this->timeout,
|
||||
'proxy' => '',
|
||||
]
|
||||
)->then(function (ResponseInterface $response) {
|
||||
$result = $this->decodeResult((string) $response->getBody());
|
||||
return new Credentials(
|
||||
$result['AccessKeyId'],
|
||||
$result['SecretAccessKey'],
|
||||
$result['Token'],
|
||||
strtotime($result['Expiration'])
|
||||
);
|
||||
})->otherwise(function ($reason) {
|
||||
$reason = is_array($reason) ? $reason['exception'] : $reason;
|
||||
$msg = $reason->getMessage();
|
||||
throw new CredentialsException(
|
||||
"Error retrieving credential from ECS ($msg)"
|
||||
);
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* Fetch credential URI from ECS environment variable
|
||||
*
|
||||
* @return string Returns ECS URI
|
||||
*/
|
||||
private function getEcsUri()
|
||||
{
|
||||
$credsUri = getenv(self::ENV_URI);
|
||||
|
||||
if ($credsUri === false) {
|
||||
$credsUri = isset($_SERVER[self::ENV_URI]) ? $_SERVER[self::ENV_URI] : '';
|
||||
}
|
||||
|
||||
return self::SERVER_URI . $credsUri;
|
||||
}
|
||||
|
||||
private function decodeResult($response)
|
||||
{
|
||||
$result = json_decode($response, true);
|
||||
|
||||
if (!isset($result['AccessKeyId'])) {
|
||||
throw new CredentialsException('Unexpected ECS credential value');
|
||||
}
|
||||
return $result;
|
||||
}
|
||||
}
|
||||
277
wp-content/plugins/w3-total-cache/vendor/aws/aws-sdk-php/src/Credentials/InstanceProfileProvider.php
vendored
Normal file
277
wp-content/plugins/w3-total-cache/vendor/aws/aws-sdk-php/src/Credentials/InstanceProfileProvider.php
vendored
Normal file
@ -0,0 +1,277 @@
|
||||
<?php
|
||||
namespace Aws\Credentials;
|
||||
|
||||
use Aws\Exception\CredentialsException;
|
||||
use Aws\Exception\InvalidJsonException;
|
||||
use Aws\Sdk;
|
||||
use GuzzleHttp\Exception\TransferException;
|
||||
use GuzzleHttp\Promise;
|
||||
use GuzzleHttp\Exception\RequestException;
|
||||
use GuzzleHttp\Psr7\Request;
|
||||
use GuzzleHttp\Promise\PromiseInterface;
|
||||
use Psr\Http\Message\ResponseInterface;
|
||||
|
||||
/**
|
||||
* Credential provider that provides credentials from the EC2 metadata service.
|
||||
*/
|
||||
class InstanceProfileProvider
|
||||
{
|
||||
const SERVER_URI = 'http://169.254.169.254/latest/';
|
||||
const CRED_PATH = 'meta-data/iam/security-credentials/';
|
||||
const TOKEN_PATH = 'api/token';
|
||||
|
||||
const ENV_DISABLE = 'AWS_EC2_METADATA_DISABLED';
|
||||
const ENV_TIMEOUT = 'AWS_METADATA_SERVICE_TIMEOUT';
|
||||
const ENV_RETRIES = 'AWS_METADATA_SERVICE_NUM_ATTEMPTS';
|
||||
|
||||
/** @var string */
|
||||
private $profile;
|
||||
|
||||
/** @var callable */
|
||||
private $client;
|
||||
|
||||
/** @var int */
|
||||
private $retries;
|
||||
|
||||
/** @var int */
|
||||
private $attempts;
|
||||
|
||||
/** @var float|mixed */
|
||||
private $timeout;
|
||||
|
||||
/** @var bool */
|
||||
private $secureMode = true;
|
||||
|
||||
/**
|
||||
* The constructor accepts the following options:
|
||||
*
|
||||
* - timeout: Connection timeout, in seconds.
|
||||
* - profile: Optional EC2 profile name, if known.
|
||||
* - retries: Optional number of retries to be attempted.
|
||||
*
|
||||
* @param array $config Configuration options.
|
||||
*/
|
||||
public function __construct(array $config = [])
|
||||
{
|
||||
$this->timeout = (float) getenv(self::ENV_TIMEOUT) ?: (isset($config['timeout']) ? $config['timeout'] : 1.0);
|
||||
$this->profile = isset($config['profile']) ? $config['profile'] : null;
|
||||
$this->retries = (int) getenv(self::ENV_RETRIES) ?: (isset($config['retries']) ? $config['retries'] : 3);
|
||||
$this->attempts = 0;
|
||||
$this->client = isset($config['client'])
|
||||
? $config['client'] // internal use only
|
||||
: \Aws\default_http_handler();
|
||||
}
|
||||
|
||||
/**
|
||||
* Loads instance profile credentials.
|
||||
*
|
||||
* @return PromiseInterface
|
||||
*/
|
||||
public function __invoke()
|
||||
{
|
||||
return Promise\coroutine(function () {
|
||||
|
||||
// Retrieve token or switch out of secure mode
|
||||
$token = null;
|
||||
while ($this->secureMode && is_null($token)) {
|
||||
try {
|
||||
$token = (yield $this->request(
|
||||
self::TOKEN_PATH,
|
||||
'PUT',
|
||||
[
|
||||
'x-aws-ec2-metadata-token-ttl-seconds' => 21600
|
||||
]
|
||||
));
|
||||
} catch (TransferException $e) {
|
||||
if (!method_exists($e, 'getResponse')
|
||||
|| empty($e->getResponse())
|
||||
|| !in_array(
|
||||
$e->getResponse()->getStatusCode(),
|
||||
[400, 500, 502, 503, 504]
|
||||
)
|
||||
) {
|
||||
$this->secureMode = false;
|
||||
} else {
|
||||
$this->handleRetryableException(
|
||||
$e,
|
||||
[],
|
||||
$this->createErrorMessage(
|
||||
'Error retrieving metadata token'
|
||||
)
|
||||
);
|
||||
}
|
||||
}
|
||||
$this->attempts++;
|
||||
}
|
||||
|
||||
// Set token header only for secure mode
|
||||
$headers = [];
|
||||
if ($this->secureMode) {
|
||||
$headers = [
|
||||
'x-aws-ec2-metadata-token' => $token
|
||||
];
|
||||
}
|
||||
|
||||
// Retrieve profile
|
||||
while (!$this->profile) {
|
||||
try {
|
||||
$this->profile = (yield $this->request(
|
||||
self::CRED_PATH,
|
||||
'GET',
|
||||
$headers
|
||||
));
|
||||
} catch (TransferException $e) {
|
||||
// 401 indicates insecure flow not supported, switch to
|
||||
// attempting secure mode for subsequent calls
|
||||
if (!empty($this->getExceptionStatusCode($e))
|
||||
&& $this->getExceptionStatusCode($e) === 401
|
||||
) {
|
||||
$this->secureMode = true;
|
||||
}
|
||||
$this->handleRetryableException(
|
||||
$e,
|
||||
[ 'blacklist' => [401, 403] ],
|
||||
$this->createErrorMessage($e->getMessage())
|
||||
);
|
||||
}
|
||||
|
||||
$this->attempts++;
|
||||
}
|
||||
|
||||
// Retrieve credentials
|
||||
$result = null;
|
||||
while ($result == null) {
|
||||
try {
|
||||
$json = (yield $this->request(
|
||||
self::CRED_PATH . $this->profile,
|
||||
'GET',
|
||||
$headers
|
||||
));
|
||||
$result = $this->decodeResult($json);
|
||||
} catch (InvalidJsonException $e) {
|
||||
$this->handleRetryableException(
|
||||
$e,
|
||||
[ 'blacklist' => [401, 403] ],
|
||||
$this->createErrorMessage(
|
||||
'Invalid JSON response, retries exhausted'
|
||||
)
|
||||
);
|
||||
} catch (TransferException $e) {
|
||||
// 401 indicates insecure flow not supported, switch to
|
||||
// attempting secure mode for subsequent calls
|
||||
if (!empty($this->getExceptionStatusCode($e))
|
||||
&& $this->getExceptionStatusCode($e) === 401
|
||||
) {
|
||||
$this->secureMode = true;
|
||||
}
|
||||
$this->handleRetryableException(
|
||||
$e,
|
||||
[ 'blacklist' => [401, 403] ],
|
||||
$this->createErrorMessage($e->getMessage())
|
||||
);
|
||||
}
|
||||
$this->attempts++;
|
||||
}
|
||||
yield new Credentials(
|
||||
$result['AccessKeyId'],
|
||||
$result['SecretAccessKey'],
|
||||
$result['Token'],
|
||||
strtotime($result['Expiration'])
|
||||
);
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* @param string $url
|
||||
* @param string $method
|
||||
* @param array $headers
|
||||
* @return PromiseInterface Returns a promise that is fulfilled with the
|
||||
* body of the response as a string.
|
||||
*/
|
||||
private function request($url, $method = 'GET', $headers = [])
|
||||
{
|
||||
$disabled = getenv(self::ENV_DISABLE) ?: false;
|
||||
if (strcasecmp($disabled, 'true') === 0) {
|
||||
throw new CredentialsException(
|
||||
$this->createErrorMessage('EC2 metadata service access disabled')
|
||||
);
|
||||
}
|
||||
|
||||
$fn = $this->client;
|
||||
$request = new Request($method, self::SERVER_URI . $url);
|
||||
$userAgent = 'aws-sdk-php/' . Sdk::VERSION;
|
||||
if (defined('HHVM_VERSION')) {
|
||||
$userAgent .= ' HHVM/' . HHVM_VERSION;
|
||||
}
|
||||
$userAgent .= ' ' . \Aws\default_user_agent();
|
||||
$request = $request->withHeader('User-Agent', $userAgent);
|
||||
foreach ($headers as $key => $value) {
|
||||
$request = $request->withHeader($key, $value);
|
||||
}
|
||||
|
||||
return $fn($request, ['timeout' => $this->timeout])
|
||||
->then(function (ResponseInterface $response) {
|
||||
return (string) $response->getBody();
|
||||
})->otherwise(function (array $reason) {
|
||||
$reason = $reason['exception'];
|
||||
if ($reason instanceof TransferException) {
|
||||
throw $reason;
|
||||
}
|
||||
$msg = $reason->getMessage();
|
||||
throw new CredentialsException(
|
||||
$this->createErrorMessage($msg)
|
||||
);
|
||||
});
|
||||
}
|
||||
|
||||
private function handleRetryableException(
|
||||
\Exception $e,
|
||||
$retryOptions,
|
||||
$message
|
||||
) {
|
||||
$isRetryable = true;
|
||||
if (!empty($status = $this->getExceptionStatusCode($e))
|
||||
&& isset($retryOptions['blacklist'])
|
||||
&& in_array($status, $retryOptions['blacklist'])
|
||||
) {
|
||||
$isRetryable = false;
|
||||
}
|
||||
if ($isRetryable && $this->attempts < $this->retries) {
|
||||
sleep(pow(1.2, $this->attempts));
|
||||
} else {
|
||||
throw new CredentialsException($message);
|
||||
}
|
||||
}
|
||||
|
||||
private function getExceptionStatusCode(\Exception $e)
|
||||
{
|
||||
if (method_exists($e, 'getResponse')
|
||||
&& !empty($e->getResponse())
|
||||
) {
|
||||
return $e->getResponse()->getStatusCode();
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
private function createErrorMessage($previous)
|
||||
{
|
||||
return "Error retrieving credentials from the instance profile "
|
||||
. "metadata service. ({$previous})";
|
||||
}
|
||||
|
||||
private function decodeResult($response)
|
||||
{
|
||||
$result = json_decode($response, true);
|
||||
|
||||
if (json_last_error() > 0) {
|
||||
throw new InvalidJsonException();
|
||||
}
|
||||
|
||||
if ($result['Code'] !== 'Success') {
|
||||
throw new CredentialsException('Unexpected instance profile '
|
||||
. 'response code: ' . $result['Code']);
|
||||
}
|
||||
|
||||
return $result;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user