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diff --git a/3rdparty/aws-sdk/authentication/signature_v4json.class.php b/3rdparty/aws-sdk/authentication/signature_v4json.class.php
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+++ b/3rdparty/aws-sdk/authentication/signature_v4json.class.php
@@ -0,0 +1,353 @@
+<?php
+/*
+ * Copyright 2010-2012 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.
+ */
+
+
+/*%******************************************************************************************%*/
+// CLASS
+
+/**
+ * Implements support for Signature v4 (Query).
+ *
+ * @version 2011.01.03
+ * @license See the included NOTICE.md file for more information.
+ * @copyright See the included NOTICE.md file for more information.
+ * @link http://aws.amazon.com/php/ PHP Developer Center
+ */
+class AuthV4JSON extends Signer implements Signable
+{
+	/**
+	 * Constructs a new instance of the <AuthV4Query> class.
+	 *
+	 * @param string $endpoint (Required) The endpoint to direct the request to.
+	 * @param string $operation (Required) The operation to execute as a result of this request.
+	 * @param array $payload (Required) The options to use as part of the payload in the request.
+	 * @param CFCredential $credentials (Required) The credentials to use for signing and making requests.
+	 * @return void
+	 */
+	public function __construct($endpoint, $operation, $payload, CFCredential $credentials)
+	{
+		parent::__construct($endpoint, $operation, $payload, $credentials);
+	}
+
+	/**
+	 * Generates a cURL handle with all of the required authentication bits set.
+	 *
+	 * @return resource A cURL handle ready for executing.
+	 */
+	public function authenticate()
+	{
+		// Determine signing values
+		$current_time = time();
+		$timestamp = gmdate(CFUtilities::DATE_FORMAT_SIGV4, $current_time);
+
+		// Initialize
+		$x_amz_target = null;
+
+		$this->headers = array();
+		$this->signed_headers = array();
+		$this->canonical_headers = array();
+		$this->query = array();
+
+		// Prepare JSON structure
+		$decoded = json_decode($this->payload, true);
+		$data = (array) (is_array($decoded) ? $decoded : $this->payload);
+		unset($data['curlopts']);
+		unset($data['returnCurlHandle']);
+		$this->body = json_encode($data);
+		if ($this->body === '' || $this->body === '[]')
+		{
+			$this->body = '{}';
+		}
+
+		// Do we have an authentication token?
+		if ($this->auth_token)
+		{
+			$this->headers['X-Amz-Security-Token'] = $this->auth_token;
+			$this->query['SecurityToken'] = $this->auth_token;
+		}
+
+		// Manage the key-value pairs that are used in the query.
+		if (stripos($this->operation, 'x-amz-target') !== false)
+		{
+			$x_amz_target = trim(str_ireplace('x-amz-target:', '', $this->operation));
+		}
+		else
+		{
+			$this->query['Action'] = $this->operation;
+		}
+
+		// Only add it if it exists.
+		if ($this->api_version)
+		{
+			$this->query['Version'] = $this->api_version;
+		}
+
+		// Do a case-sensitive, natural order sort on the array keys.
+		uksort($this->query, 'strcmp');
+
+		// Remove the default scheme from the domain.
+		$domain = str_replace(array('http://', 'https://'), '', $this->endpoint);
+
+		// Parse our request.
+		$parsed_url = parse_url('http://' . $domain);
+
+		// Set the proper host header.
+		if (isset($parsed_url['port']) && (integer) $parsed_url['port'] !== 80 && (integer) $parsed_url['port'] !== 443)
+		{
+			$host_header = strtolower($parsed_url['host']) . ':' . $parsed_url['port'];
+		}
+		else
+		{
+			$host_header = strtolower($parsed_url['host']);
+		}
+
+		// Generate the querystring from $this->query
+		$this->querystring = $this->util->to_query_string($this->query);
+
+		// Gather information to pass along to other classes.
+		$helpers = array(
+			'utilities' => $this->utilities_class,
+			'request' => $this->request_class,
+			'response' => $this->response_class,
+		);
+
+		// Compose the request.
+		$request_url = ($this->use_ssl ? 'https://' : 'http://') . $domain;
+		$request_url .= !isset($parsed_url['path']) ? '/' : '';
+
+		// Instantiate the request class
+		$request = new $this->request_class($request_url, $this->proxy, $helpers, $this->credentials);
+		$request->set_method('POST');
+		$request->set_body($this->body);
+		$this->querystring = $this->body;
+		$this->headers['Content-Type'] = 'application/x-amz-json-1.1';
+		$this->headers['X-Amz-Target'] = $x_amz_target;
+
+		// Pass along registered stream callbacks
+		if ($this->registered_streaming_read_callback)
+		{
+			$request->register_streaming_read_callback($this->registered_streaming_read_callback);
+		}
+
+		if ($this->registered_streaming_write_callback)
+		{
+			$request->register_streaming_write_callback($this->registered_streaming_write_callback);
+		}
+
+		// Add authentication headers
+		$this->headers['X-Amz-Date'] = $timestamp;
+		$this->headers['Content-Length'] = strlen($this->querystring);
+		$this->headers['Host'] = $host_header;
+
+		// Sort headers
+		uksort($this->headers, 'strnatcasecmp');
+
+		// Add headers to request and compute the string to sign
+		foreach ($this->headers as $header_key => $header_value)
+		{
+			// Strip linebreaks from header values as they're illegal and can allow for security issues
+			$header_value = str_replace(array("\r", "\n"), '', $header_value);
+
+			$request->add_header($header_key, $header_value);
+			$this->canonical_headers[] = strtolower($header_key) . ':' . $header_value;
+
+			$this->signed_headers[] = strtolower($header_key);
+		}
+
+		$this->headers['Authorization'] = $this->authorization($timestamp);
+		$request->add_header('Authorization', $this->headers['Authorization']);
+		$request->request_headers = $this->headers;
+
+		return $request;
+	}
+
+	/**
+	 * Generates the authorization string to use for the request.
+	 *
+	 * @param string $datetime (Required) The current timestamp.
+	 * @return string The authorization string.
+	 */
+	protected function authorization($datetime)
+	{
+		$access_key_id = $this->key;
+
+		$parts = array();
+		$parts[] = "AWS4-HMAC-SHA256 Credential=${access_key_id}/" . $this->credential_string($datetime);
+		$parts[] = 'SignedHeaders=' . implode(';', $this->signed_headers);
+		$parts[] = 'Signature=' . $this->hex16($this->signature($datetime));
+
+		return implode(',', $parts);
+	}
+
+	/**
+	 * Calculate the signature.
+	 *
+	 * @param string $datetime (Required) The current timestamp.
+	 * @return string The signature.
+	 */
+	protected function signature($datetime)
+	{
+		$k_date        = $this->hmac('AWS4' . $this->secret_key, substr($datetime, 0, 8));
+		$k_region      = $this->hmac($k_date, $this->region());
+		$k_service     = $this->hmac($k_region, $this->service());
+		$k_credentials = $this->hmac($k_service, 'aws4_request');
+		$signature     = $this->hmac($k_credentials, $this->string_to_sign($datetime));
+
+		return $signature;
+	}
+
+	/**
+	 * Calculate the string to sign.
+	 *
+	 * @param string $datetime (Required) The current timestamp.
+	 * @return string The string to sign.
+	 */
+	protected function string_to_sign($datetime)
+	{
+		$parts = array();
+		$parts[] = 'AWS4-HMAC-SHA256';
+		$parts[] = $datetime;
+		$parts[] = $this->credential_string($datetime);
+		$parts[] = $this->hex16($this->hash($this->canonical_request()));
+
+		$this->string_to_sign = implode("\n", $parts);
+
+		return $this->string_to_sign;
+	}
+
+	/**
+	 * Generates the credential string to use for signing.
+	 *
+	 * @param string $datetime (Required) The current timestamp.
+	 * @return string The credential string.
+	 */
+	protected function credential_string($datetime)
+	{
+		$parts = array();
+		$parts[] = substr($datetime, 0, 8);
+		$parts[] = $this->region();
+		$parts[] = $this->service();
+		$parts[] = 'aws4_request';
+
+		return implode('/', $parts);
+	}
+
+	/**
+	 * Calculate the canonical request.
+	 *
+	 * @return string The canonical request.
+	 */
+	protected function canonical_request()
+	{
+		$parts = array();
+		$parts[] = 'POST';
+		$parts[] = $this->canonical_uri();
+		$parts[] = ''; // $parts[] = $this->canonical_querystring();
+		$parts[] = implode("\n", $this->canonical_headers) . "\n";
+		$parts[] = implode(';', $this->signed_headers);
+		$parts[] = $this->hex16($this->hash($this->body));
+
+		$this->canonical_request = implode("\n", $parts);
+
+		return $this->canonical_request;
+	}
+
+	/**
+	 * The region ID to use in the signature.
+	 *
+	 * @return return The region ID.
+	 */
+	protected function region()
+	{
+		$pieces = explode('.', $this->endpoint);
+
+		// Handle cases with single/no region (i.e. service.region.amazonaws.com vs. service.amazonaws.com)
+		if (count($pieces < 4))
+		{
+			return 'us-east-1';
+		}
+
+		return $pieces[1];
+	}
+
+	/**
+	 * The service ID to use in the signature.
+	 *
+	 * @return return The service ID.
+	 */
+	protected function service()
+	{
+		$pieces = explode('.', $this->endpoint);
+		return $pieces[0];
+	}
+
+	/**
+	 * The request URI path.
+	 *
+	 * @return string The request URI path.
+	 */
+	protected function canonical_uri()
+	{
+		return '/';
+	}
+
+	/**
+	 * The canonical query string.
+	 *
+	 * @return string The canonical query string.
+	 */
+	protected function canonical_querystring()
+	{
+		if (!isset($this->canonical_querystring))
+		{
+			$this->canonical_querystring = $this->util->to_signable_string($this->query);
+		}
+
+		return $this->canonical_querystring;
+	}
+
+	/**
+	 * Hex16-pack the data.
+	 *
+	 * @param string $value (Required) The data to hex16 pack.
+	 * @return string The hex16-packed data.
+	 */
+	protected function hex16($value)
+	{
+		$result = unpack('H*', $value);
+		return reset($result);
+	}
+
+	/**
+	 * Applies HMAC SHA-256 encryption to the string, salted by the key.
+	 *
+	 * @return string Raw HMAC SHA-256 hashed string.
+	 */
+	protected function hmac($key, $string)
+	{
+		return hash_hmac('sha256', $string, $key, true);
+	}
+
+	/**
+	 * SHA-256 hashes the string.
+	 *
+	 * @return string Raw SHA-256 hashed string.
+	 */
+	protected function hash($string)
+	{
+		return hash('sha256', $string, true);
+	}
+}