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| Dir : /home/trave494/live2news.com/wp-content/plugins/w3-total-cache/Extension_CloudFlare_Api.php |
<?php
namespace W3TC;
/**
* Cloudflare API.
*/
class Extension_CloudFlare_Api {
static private $_root_uri = 'https://api.cloudflare.com/client/v4';
private $_email;
private $_key;
private $_zone_id;
private $_timelimit_api_request;
function __construct( $config ) {
$this->_email = $config['email'];
$this->_key = $config['key'];
$this->_zone_id =
( isset( $config['zone_id'] ) ? $config['zone_id'] : '' );
if ( !isset( $config['timelimit_api_request'] ) ||
$config['timelimit_api_request'] < 1 )
$this->_timelimit_api_request = 30;
else
$this->_timelimit_api_request = $config['timelimit_api_request'];
}
/**
* Makes external event request
*
* @param string $type
* @param string $value
* @return array
*/
public function external_event( $type, $value ) {
$url = sprintf( 'https://www.cloudflare.com/ajax/external-event.html?' .
'u=%s&tkn=%s&evnt_t=%s&evnt_v=%s',
urlencode( $this->_email ), urlencode( $this->_key ),
urlencode( $type ), urlencode( $value ) );
$response = Util_Http::get( $url );
if ( !is_wp_error( $response ) ) {
return json_decode( $response['body'] );
}
return null;
}
/**
* Check
*
* @throws Util_WpFile_FilesystemOperationException
* @throws FileOperationException
*/
public function get_ip_ranges() {
$data = array();
$response = Util_Http::get( 'https://www.cloudflare.com/ips-v4' );
if ( !is_wp_error( $response ) ) {
$ip4_data = $response['body'];
$ip4_data = explode( "\n", $ip4_data );
$data['ip4'] = $ip4_data;
}
$response = Util_Http::get( 'https://www.cloudflare.com/ips-v6' );
if ( !is_wp_error( $response ) ) {
$ip6_data = $response['body'];
$ip6_data = explode( "\n", $ip6_data );
$data['ip6'] = $ip6_data;
}
return $data;
}
public function zones($page = 1) {
return $this->_wp_remote_request_with_meta( 'GET',
self::$_root_uri . '/zones?page=' . urlencode($page) );
}
public function zone($id) {
$a = $this->_wp_remote_request( 'GET',
self::$_root_uri . '/zones/' . $id );
return $a;
}
public function zone_settings() {
$a = $this->_wp_remote_request( 'GET',
self::$_root_uri . '/zones/' . $this->_zone_id . '/settings' );
$by_id = array();
foreach ( $a as $i ) {
$by_id[$i['id']] = $i;
}
return $by_id;
}
public function zone_setting_set( $name, $value ) {
// Convert numeric values to the integer type.
if ( is_numeric( $value ) ) {
$value = intval( $value );
}
return $this->_wp_remote_request( 'PATCH',
self::$_root_uri . '/zones/' . $this->_zone_id . '/settings/' . $name,
json_encode( array( 'value' => $value ) ) );
}
/**
* Prepares the analytics dashboard widget query to be performed via the CF GraphQL API
*
* @throws Exception
* @return array
*/
public function analytics_dashboard( $start, $end, $type = 'day' ) {
$dataset = 'httpRequests1dGroups';
$datetime_filter = 'date';
if($type === 'hour') {
$dataset = 'httpRequests1hGroups';
$datetime_filter = 'datetime';
}
return $this->_wp_remote_request_graphql( 'POST',
self::$_root_uri . '/graphql',
"{ \"query\": \"query {
viewer {
zones(filter: {zoneTag: \\\"" . $this->_zone_id . "\\\"}) {
" . $dataset . "(
orderBy: [" . $datetime_filter . "_ASC],
limit: 100,
filter: {
" . $datetime_filter . "_geq: \\\"" . $start . "\\\",
" . $datetime_filter . "_lt: \\\"" . $end . "\\\"
}
) {
dimensions {
" . $datetime_filter . "
}
sum {
bytes
cachedBytes
cachedRequests
pageViews
requests
threats
}
uniq {
uniques
}
}
}
}
}\"}"
);
}
public function purge() {
return $this->_wp_remote_request( 'DELETE',
self::$_root_uri . '/zones/' . $this->_zone_id . '/purge_cache',
'{"purge_everything":true}' );
}
/**
* Performs the CF API request
*
* @throws Exception
* @return array
*/
private function _wp_remote_request( $method, $url, $body = array() ) {
if ( empty( $this->_email ) || empty( $this->_key ) ) {
throw new \Exception('Not authenticated');
}
$headers = $this->_generate_wp_remote_request_headers();
$result = wp_remote_request( $url, array(
'method' => $method,
'headers' => $headers,
'timeout' => $this->_timelimit_api_request,
'body' => $body
) );
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 ) || !isset( $response_json['success'] ) ) {
throw new \Exception(
'Failed to reach API endpoint, got unexpected response ' .
str_replace( '<', '.', str_replace( '>', '.', $result['body'] ) ) );
}
if ( !$response_json['success'] ) {
$errors = array();
if ( isset( $response_json['errors'] ) ) {
foreach ( $response_json['errors'] as $e ) {
if ( !empty( $e['message'] ) )
$errors[] = $e['message'];
}
}
if ( empty( $errors ) )
$errors[] = 'Request failed';
throw new \Exception( implode( ', ', $errors ) );
}
if ( isset( $response_json['result'] ) ) {
return $response_json['result'];
}
return array();
}
/**
* Performs the CF API request with meta
*
* @throws Exception
* @return array
*/
private function _wp_remote_request_with_meta( $method, $url, $body = array() ) {
if ( empty( $this->_email ) || empty( $this->_key ) ) {
throw new \Exception('Not authenticated');
}
$headers = $this->_generate_wp_remote_request_headers();
$result = wp_remote_request( $url, array(
'method' => $method,
'headers' => $headers,
'timeout' => $this->_timelimit_api_request,
'body' => $body
) );
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 ) || !isset( $response_json['success'] ) ) {
throw new \Exception(
'Failed to reach API endpoint, got unexpected response ' .
$result['body'] );
}
if ( !$response_json['success'] ) {
$errors = array();
if ( isset( $response_json['errors'] ) ) {
foreach ( $response_json['errors'] as $e ) {
if ( !empty( $e['message'] ) )
$errors[] = $e['message'];
}
}
if ( empty( $errors ) )
$errors[] = 'Request failed';
throw new \Exception( implode( ', ', $errors ) );
}
if ( isset( $response_json['result'] ) ) {
return $response_json;
}
return array();
}
/**
* Performs the CF GraphQL API request
*
* @throws Exception
* @return array
*/
private function _wp_remote_request_graphql( $method, $url, $body ) {
if ( empty( $this->_email ) || empty( $this->_key ) ) {
throw new \Exception('Not authenticated');
}
$headers = $this->_generate_wp_remote_request_headers();
$body = preg_replace( '/\s\s+/', ' ', $body );
$result = wp_remote_request( $url, array(
'method' => $method,
'headers' => $headers,
'timeout' => $this->_timelimit_api_request,
'body' => $body
) );
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 ' .
str_replace( '<', '.', str_replace( '>', '.', $result['body'] ) ) );
}
if ( isset( $response_json['errors'] ) ) {
$errors = array();
foreach ( $response_json['errors'] as $e ) {
if ( !empty( $e['message'] ) )
$errors[] = $e['message'];
}
if ( empty( $errors ) )
$errors[] = 'Request failed';
throw new \Exception( implode( ', ', $errors ) );
}
if ( isset( $response_json['data'] ) ) {
return $response_json['data'];
}
return array();
}
/**
* Generates the appropriate request headers for CF API requests based on token or global key presence
*
* @since 2.2.1
*
* @throws Exception
* @return array
*/
private function _generate_wp_remote_request_headers() {
if ( empty( $this->_email ) || empty( $this->_key ) ) {
throw new \Exception('Missing authentication email and/or API token / global key');
}
$headers = array();
// CF API Token
if( strlen( $this->_key ) == 40 ) {
$headers = array(
'Content-Type' => 'application/json',
'Authorization' => 'Bearer ' . $this->_key
);
}
// CF Legacy API Global Key
else if ( strlen( $this->_key ) == 37 ) {
$headers = array(
'Content-Type' => 'application/json',
'X-Auth-Key' => $this->_key,
'X-Auth-Email' => $this->_email
);
}
else {
throw new \Exception('Improper API token / global key length');
}
return $headers;
}
}