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<?php
namespace W3TC;
/**
* StackPath REST Client Library
*/
class Cdn_StackPath2_Api {
private $client_id;
private $client_secret;
private $stack_id;
private $access_token;
private $on_new_access_token;
public function __construct( $config ) {
$this->client_id = $config['client_id'];
$this->client_secret = $config['client_secret'];
$this->stack_id = isset( $config['stack_id'] ) ? $config['stack_id'] : '';
$this->access_token =
isset( $config['access_token'] ) ? $config['access_token'] : '';
$this->on_new_access_token =
isset( $config['on_new_access_token'] ) ? $config['on_new_access_token'] : null;
}
public function authenticate() {
$request_json = array(
'client_id' => $this->client_id,
'client_secret' => $this->client_secret,
'grant_type' => 'client_credentials'
);
$result = wp_remote_post(
'https://gateway.stackpath.com/identity/v1/oauth2/token',
array(
'headers' => array(
'Accept' => 'application/json',
'Content-Type' => 'application/json'
),
'body' => json_encode( $request_json )
)
);
$r = $this->_decode_response( $result );
if ( $r['auth_required'] ) {
throw new \Exception( 'Authentication failed' );
}
if ( !isset( $r['response_json']['access_token'] ) ) {
throw new \Exception(
'Unexpected authentication response: access token not found' );
}
$this->access_token = $r['response_json']['access_token'];
return $this->access_token;
}
public function site_list() {
return $this->_wp_remote_get(
"https://gateway.stackpath.com/cdn/v1/stacks/$this->stack_id/sites" );
}
public function site_get( $site_id ) {
return $this->_wp_remote_get(
"https://gateway.stackpath.com/cdn/v1/stacks/$this->stack_id/sites/$site_id" );
}
public function site_create( $data ) {
return $this->_wp_remote_post(
"https://gateway.stackpath.com/cdn/v1/stacks/$this->stack_id/sites", $data );
}
public function site_metrics( $site_id, $days ) {
$d = new \DateTime();
$end_date = $d->format( 'Y-m-d' ) . 'T00:00:00Z';
$start_date = $d->sub( new \DateInterval( 'P' . $days . 'D' ) )->format( 'Y-m-d' ) . 'T00:00:00Z';
return $this->_wp_remote_get(
"https://gateway.stackpath.com/cdn/v1/stacks/$this->stack_id/metrics",
array(
'site_id' => $site_id,
'start_date' => $start_date,
'end_date' => $end_date,
'platforms' => 'CDS',
'granularity' => 'P1D'
)
);
}
public function purge( $data ) {
return $this->_wp_remote_post(
"https://gateway.stackpath.com/cdn/v1/stacks/$this->stack_id/purge", $data );
}
public function site_dns_targets_get( $site_id ) {
return $this->_wp_remote_get(
"https://gateway.stackpath.com/cdn/v1/stacks/$this->stack_id/sites/$site_id/dns/targets" );
}
private function site_scope_get_by_platform( $site_id, $platform ) {
$scopes = $this->_wp_remote_get(
"https://gateway.stackpath.com/cdn/v1/stacks/$this->stack_id/sites/$site_id/scopes" );
foreach ( $scopes['results'] as $scope ) {
if ( $scope['platform'] == $platform )
return $scope;
}
return null;
}
public function site_cds_get( $site_id ) {
$scope = $this->site_scope_get_by_platform( $site_id, 'CDS' );
$scope_id = $scope['id'];
return $this->_wp_remote_get(
"https://gateway.stackpath.com/cdn/v1/stacks/$this->stack_id/sites/$site_id/scopes/$scope_id/configuration" );
}
public function stacks_list() {
return $this->_wp_remote_get( 'https://gateway.stackpath.com/stack/v1/stacks' );
}
public function stack_get( $stack_id ) {
return $this->_wp_remote_get( "https://gateway.stackpath.com/stack/v1/stacks/$stack_id" );
}
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'] == '401' ) {
return array(
'auth_required' => true,
'response_json' => array()
);
}
if ( $result['response']['code'] != '200' && $result['response']['code'] != '201' ) {
if ( isset( $response_json['message'] ) ) {
throw new \Exception( $response_json['message'] );
} else {
throw new \Exception( 'response code ' .
$result['response']['code'] . ' with ' . $result['body'] );
}
}
return array(
'auth_required' => false,
'response_json' => $response_json
);
}
private function _wp_remote_get( $url, $data = array() ) {
//var_dump( $url );
//var_dump( array( 'headers' => 'authorization: Bearer ' . $this->access_token ) );
if ( !empty( $this->access_token ) ) {
$result = wp_remote_get(
$url . ( empty( $data ) ? '' : '?' . http_build_query( $data ) ),
array(
'headers' => 'authorization: Bearer ' . $this->access_token
)
);
$r = self::_decode_response( $result );
if ( !$r['auth_required'] ) {
return $r['response_json'];
}
}
$this->authenticate();
if ( !is_null( $this->on_new_access_token ) ) {
call_user_func( $this->on_new_access_token, $this->access_token );
}
return $this->_wp_remote_get( $url, $data );
}
private function _wp_remote_post( $url, $data ) {
if ( !empty( $this->access_token ) ) {
add_filter( 'http_request_timeout', array( $this, 'filter_timeout_time' ) );
add_filter( 'https_ssl_verify', array( $this, 'https_ssl_verify' ) );
$result = wp_remote_post( $url, array(
'headers' => array(
'authorization' => 'Bearer ' . $this->access_token,
'Accept' => 'application/json',
'Content-Type' => 'application/json'
),
'body' => json_encode( $data )
) );
remove_filter( 'https_ssl_verify', array( $this, 'https_ssl_verify' ) );
remove_filter( 'http_request_timeout', array( $this, 'filter_timeout_time' ) );
$r = self::_decode_response( $result );
if ( !$r['auth_required'] ) {
return $r['response_json'];
}
}
$this->authenticate();
if ( !is_null( $this->on_new_access_token ) ) {
call_user_func( $this->on_new_access_token, $this->access_token );
}
return $this->_wp_remote_post( $url, $data );
}
/**
* Increase http request timeout to 60 seconds
*/
public function filter_timeout_time($time) {
return 600;
}
/**
* Don't check certificate, some users have limited CA list
*/
public function https_ssl_verify($v) {
return false;
}
}