installed plugin W3 Total Cache version 2.3.2

wp-content/plugins/w3-total-cache/Cdnfsd_LimeLight_Api.php

@@ -0,0 +1,101 @@
+<?php
+namespace W3TC;
+
+
+
+class Cdnfsd_LimeLight_Api {
+	private $url_base;
+
+
+
+	public function __construct( $short_name, $username, $api_key ) {
+		$this->url_base = 'https://purge.llnw.com/purge/v1/account/' .
+			$short_name . '/requests';
+		$this->username = $username;
+		$this->api_key = $api_key;
+	}
+
+
+
+	public function purge( $items ) {
+		$body = json_encode( array( 'patterns' => $items ) );
+		return $this->_wp_remote_post( '', $body );
+	}
+
+
+
+	public function get( $uri ) {
+		return $this->_wp_remote_get( $uri );
+	}
+
+
+
+	private function _wp_remote_get( $uri, $body = '', $headers = array() ) {
+		$url = $this->url_base . $uri;
+		$headers = $this->_add_headers( $headers, $url, 'GET', $body );
+
+		$result = wp_remote_get( $url, array(
+				'headers' => $headers,
+				'body' => $body
+			) );
+
+		return $this->_decode_response( $result );
+	}
+
+
+
+	private function _wp_remote_post( $uri, $body, $headers = array() ) {
+		$url = $this->url_base . $uri;
+		$headers = $this->_add_headers( $headers, $url, 'POST', $body );
+
+		$result = wp_remote_post( $url, array(
+				'headers' => $headers,
+				'body' => $body
+			) );
+
+		return $this->_decode_response( $result );
+	}
+
+
+
+	private function _add_headers( $headers, $url, $method, $body ) {
+		$timestamp = '' . ( time() * 1000 );
+
+		$headers['Content-Type'] = 'application/json';
+		$headers['X-LLNW-Security-Principal'] = $this->username;
+		$headers['X-LLNW-Security-Timestamp'] = $timestamp;
+		$headers['X-LLNW-Security-Token'] = hash_hmac( 'sha256',
+			$method . $url . $timestamp . $body, pack( 'H*', $this->api_key ) );
+
+		return $headers;
+	}
+
+
+
+	private function _decode_response( $result ) {
+		if ( is_wp_error( $result ) )
+			throw new \Exception( 'Failed to reach API endpoint' );
+
+		$response_json = @json_decode( $result['body'], true );
+		if ( is_null( $response_json ) ) {
+			throw new \Exception(
+				'Failed to reach API endpoint, got unexpected response ' .
+				$result['body'] );
+		}
+
+		if ( $result['response']['code'] != '200' &&
+			$result['response']['code'] != '201' &&
+			$result['response']['code'] != '202' &&
+			$result['response']['code'] != '204' ) {
+			if ( isset( $response_json['errors'] ) &&
+				isset( $response_json['errors'][0]['description'] ) ) {
+				throw new \Exception( $response_json['errors'][0]['description'] );
+			}
+
+			throw new \Exception( $result['body'] );
+		}
+
+
+		return $response_json;
+	}
+}