<?php
if (!defined('ABSPATH')) {
die();
}
require_once(W3TC_LIB_DIR . '/OAuth/W3tcOAuth.php');
require_once('W3tcWpHttpException.php');
/**
* NetDNA REST Client Library
*
* @copyright 2012
* @author Karlo Espiritu
* @version 1.0 2012-09-21
*/
class NetDNA {
public $alias;
public $key;
public $secret;
public $netdnarws_url = 'https://rws.netdna.com';
static public function create($authorization_key) {
$keys = explode('+', $authorization_key);
$alias = '';
$consumerkey = '';
$consumersecret = '';
if (sizeof($keys) == 3)
list($alias, $consumerkey, $consumersecret) = $keys;
$api = new NetDNA($alias, $consumerkey, $consumersecret);
return $api;
}
/**
* @param string $alias
* @param string $key
* @param string $secret
*/
public function __construct($alias, $key, $secret) {
$this->alias = $alias;
$this->key = $key;
$this->secret = $secret;
}
public function get_zone_domain($name) {
return $name . '.' . $this->alias . '.netdna-cdn.com';
}
public function is_valid() {
return !empty($this->alias) && !empty($this->key) &&
!empty($this->secret);
}
/**
* @param $selected_call
* @param $method_type
* @param $params
* @return string
* @throws W3tcWpHttpException
*/
private function execute($selected_call, $method_type, $params) {
//increase the http request timeout
add_filter('http_request_timeout', array($this, 'filter_timeout_time'));
add_filter('https_ssl_verify', array($this, 'https_ssl_verify'));
$consumer = new W3tcOAuthConsumer($this->key, $this->secret, NULL);
// the endpoint for your request
$endpoint = "$this->netdnarws_url/$this->alias$selected_call";
//parse endpoint before creating OAuth request
$parsed = parse_url($endpoint);
if (array_key_exists("parsed", $parsed)) {
parse_str($parsed['query'], $params);
}
//generate a request from your consumer
$req_req = W3tcOAuthRequest::from_consumer_and_token($consumer, NULL, $method_type, $endpoint, $params);
//sign your OAuth request using hmac_sha1
$sig_method = new W3tcOAuthSignatureMethod_HMAC_SHA1();
$req_req->sign_request($sig_method, $consumer, NULL);
$request = array();
$request['sslverify'] = false;
$request['method'] = $method_type;
if ($method_type == "POST") {
$request['body'] = $req_req->to_postdata();
$request['headers']['Content-Type'] =
'application/x-www-form-urlencoded; charset=' . get_option('blog_charset');
$url = $req_req->get_normalized_http_url();
} else {
// notice GET, PUT and DELETE both needs to be passed in URL
$url = $req_req->to_url();
}
$response = wp_remote_request($url, $request);
$json_output = '';
if (!is_wp_error($response)) {
// make call
$result = wp_remote_retrieve_body($response);
$headers = wp_remote_retrieve_headers($response);
$response_code = wp_remote_retrieve_response_code($response);
// $json_output contains the output string
$json_output = $result;
} else {
$response_code = $response->get_error_code();
}
remove_filter('https_ssl_verify', array($this, 'https_ssl_verify'));
remove_filter('http_request_timeout', array($this, 'filter_timeout_time'));
// catch errors
if(is_wp_error($response)) {
throw new W3tcWpHttpException("ERROR: {$response->get_error_message()}, Output: $json_output", $response_code, null, $headers);
}
return $json_output;
}
/**
* @param $selected_call
* @param array $params
* @return string
* @throws W3tcWpHttpException
*/
public function get($selected_call, $params = array()){
return $this->execute($selected_call, 'GET', $params);
}
/**
* @param $selected_call
* @param array $params
* @return string
* @throws W3tcWpHttpException
*/
public function post($selected_call, $params = array()){
return $this->execute($selected_call, 'POST', $params);
}
/**
* @param $selected_call
* @param array $params
* @return string
* @throws W3tcWpHttpException
*/
public function put($selected_call, $params = array()){
return $this->execute($selected_call, 'PUT', $params);
}
/**
* @param $selected_call
* @param array $params
* @return string
* @throws W3tcWpHttpException
*/
public function delete($selected_call, $params = array()){
return $this->execute($selected_call, 'DELETE', $params);
}
/**
* Finds the zone id that matches the provided url.
* @param $url
* @return null|int
* @throws W3tcWpHttpException
*/
public function get_zone_id($url) {
$zone_id = null;
$pull_zones = json_decode($this->get('/zones/pull.json'));
if (preg_match("(200|201)", $pull_zones->code)) {
foreach ($pull_zones->data->pullzones as $zone) {
if (trim($zone->url, '/') != trim($url, '/'))
continue;
else {
$zone_id = $zone->id;
break;
}
}
} else
return null;
return $zone_id;
}
/**
* Retrieves statistics for the zone id
* @param $zone_id
* @return null|array
* @throws W3tcWpHttpException
*/
public function get_stats_per_zone($zone_id) {
$api_stats = json_decode($this->get("/reports/{$zone_id}/stats.json"), true);
if (preg_match("(200|201)", $api_stats['code'])) {
$summary = $api_stats['data']['summary'];
return $summary;
} else
return null;
}
/**
* Returns list of files for the zone id
* @param $zone_id
* @return null|array
* @throws W3tcWpHttpException
*/
public function get_list_of_file_types_per_zone($zone_id) {
$api_list = json_decode($this->get("/reports/pull/{$zone_id}/filetypes.json"), true);
if (preg_match("(200|201)", $api_list['code'])) {
$stats['total'] = $api_list['data']['total'];
foreach($api_list['data']['filetypes'] as $filetyp) {
$stats['filetypes'][] = $filetyp;
}
$stats['summary'] = $api_list['data']['summary'];
return $stats;
} else
return null;
}
/**
* Retrieves a list of popular files for zone id
*
* @param $zone_id
* @return null|array
* @throws W3tcWpHttpException
*/
public function get_list_of_popularfiles_per_zone($zone_id) {
$api_popularfiles = json_decode($this->get("/reports/{$zone_id}/popularfiles.json"), true);
if (preg_match("(200|201)", $api_popularfiles['code'])) {
$popularfiles = $api_popularfiles['data']['popularfiles'];
return $popularfiles;
} else
return null;
}
/**
* Retrieves an account connected with the authorization key
*
* @throws Exception
* @return null|string
*/
public function get_account() {
$api_account = json_decode($this->get("/account.json"), true);
if (preg_match("(200|201)", $api_account['code'])) {
$account = $api_account['data']['account'];
return $account;
} else
throw new Exception($api_account['error']['message']);
}
/**
* Retrieves a pull zone
* @param $zone_id
* @throws Exception
* @return null|string
*/
public function get_pull_zone($zone_id) {
$api_pull_zone = json_decode($this->get("/zones/pull.json/{$zone_id}"), true);
if (preg_match("(200|201)", $api_pull_zone['code'])) {
$pull_zone = $api_pull_zone['data']['pullzone'];
return $pull_zone;
} else
throw new Exception($api_pull_zone['error']['message']);
}
/**
* Creates a pull zone
* @param $zone
* @return mixed
* @throws Exception
*/
public function create_pull_zone($zone) {
$zone_data = json_decode($this->post('/zones/pull.json', $zone), true);
if (preg_match("(200|201)", $zone_data['code'])) {
return $zone_data['data']['pullzone'];
} else
throw new Exception($zone_data['error']['message']);
}
/**
* Returns all zones connected to an url
* @param $url
* @throws Exception
* @return array|null
*/
public function get_zones_by_url($url) {
$zone_id = null;
$pull_zones = json_decode($this->get('/zones/pull.json'), true);
$zones = array();
if (preg_match("(200|201)", $pull_zones['code'])) {
foreach ($pull_zones ['data']['pullzones'] as $zone) {
if (trim($zone['url'], '/') != trim($url, '/'))
continue;
else {
$zones[] = $zone;
}
}
} else
throw new Exception($pull_zones['error']['message']);
return $zones;
}
/**
* Retrieves pull zones
* @throws Exception
* @return array|null
*/
public function get_pull_zones() {
$pull_zones = json_decode($this->get('/zones/pull.json'), true);
$zones = array();
if (preg_match("(200|201)", $pull_zones['code'])) {
foreach ($pull_zones ['data']['pullzones'] as $zone) {
$zones[] = $zone;
}
} else {
throw new Exception($pull_zones['error']['message']);
}
return $zones;
}
/**
* Increase http request timeout to 60 seconds
* @param int $time
* @return int
*/
public function filter_timeout_time($time) {
return 60;
}
/**
* Don't check certificate, some users have limited CA list
*/
public function https_ssl_verify($v) {
return false;
}
/**
* Update a pull zone
* @param $zone_id
* @param $zone
* @throws Exception
* @return
*/
public function update_pull_zone($zone_id, $zone) {
$zone_data = json_decode($this->put("/zones/pull.json/$zone_id", $zone), true);
if (preg_match("(200|201)", $zone_data['code'])) {
return $zone_data['data']['pullzone'];
} else
throw new Exception($zone_data['error']['message']);
}
/**
* Creates a new pull zone with default settings
* @param string $url the sites url 4-100 chars; only valid URLs accepted
* @param null|string $name 3-32 chars; only letters, digits, and dash (-)accepted
* @param null|string $label length: 1-255 chars
* @param array $zone_settings custom settings
* @return string
*/
public function create_default_pull_zone($url, $name = null, $label = null, $zone_settings=array()) {
$zone_defaults = array();
if (is_null($name)) {
$name = md5($url);
$len = strlen($name)>24 ? 24 : strlen($name);
$name = substr($name, 0, $len);
}
if (is_null($label))
$label = sprintf(__('Zone for %s was created by W3 Total Cache', 'w3-total-cache'), $url);
$zone_defaults['name'] = $name;
$zone_defaults['label'] = $label;
$zone_defaults['url'] = $url;
$zone_defaults['use_stale'] = 0;
$zone_defaults['queries'] = 1;
$zone_defaults['compress'] = 1;
$zone_defaults['backend_compress'] = 1;
$zone_defaults['disallow_robots'] = 1;
$zone_defaults = array_merge( $zone_defaults, $zone_settings);
$response = $this->create_pull_zone($zone_defaults);
return $response;
}
/**
* Returns number of zones
* @throws Exception
* @return array
*/
public function get_zone_count() {
$pull_zones = json_decode($this->get('/zones.json/count'), true);
if (preg_match("(200|201)", $pull_zones['code'])) {
return intval($pull_zones ['data']['count']);
} else
throw new Exception($pull_zones['error']['message']);
}
/**
* Creates custom domains
* @param $zone_id
* @throws Exception
* @return array|null
*/
public function create_custom_domain($zone_id, $custom_domain) {
$custom_domain = json_decode($this->post("/zones/pull/$zone_id/customdomains.json", array(
'custom_domain' => $custom_domain)), true);
if (preg_match("(200|201)", $custom_domain['code'])) {
return $custom_domain;
} else
throw $this->to_exception($custom_domain);
}
private function to_exception($response) {
$message = $response['error']['message'];
if (isset($response['data']) && isset($response['data']['errors'])) {
foreach ($response['data']['errors'] as $field => $error)
$message .= '. ' . $field . ': ' . $error;
}
return new Exception($message);
}
/**
* Returns custom domains
* @param $zone_id
* @throws Exception
* @return array|null
*/
public function get_custom_domains($zone_id) {
$custom_domains = json_decode($this->get("/zones/pull/$zone_id/customdomains.json"), true);
$domains = array();
if (preg_match("(200|201)", $custom_domains['code'])) {
foreach ($custom_domains['data']['customdomains'] as $domain) {
$domains[] = $domain['custom_domain'];
}
} else
throw new Exception($custom_domains['error']['message']);
return $domains;
}
/**
* Returns the zone data for the provided zone id
*
* @param int $zone_id
* @throws Exception
* @return array
*/
public function get_zone($zone_id) {
$zone_data = json_decode($this->get("/zones/pull.json/$zone_id"), true);
if (preg_match("(200|201)", $zone_data['code'])) {
return $zone_data['data']['pullzone'];
} else
throw new Exception($zone_data['error']['message']);
}
/**
* Deletes files from cache
* @param $zone_id
* @param $files array of relative paths to files to delete
* Deletes whole zone if empty list passed
**/
public function cache_delete($zone_id, $files = array()) {
if (empty($files))
$params = array();
else
$params = array('files' => $files);
$response = json_decode($this->delete(
'/zones/pull.json/' . $zone_id . '/cache',
$params), true);
if (preg_match("(200|201)", $response['code'])) {
return true;
} else
throw $this->to_exception($response);
}
}