<?php



/**

 * W3 CDN Netdna Class

 */

if (!defined('ABSPATH')) {

    die();

}



w3_require_once(W3TC_LIB_W3_DIR . '/Cdn/Mirror.php');



define('W3TC_CDN_NETDNA_URL', 'netdna-cdn.com');



/**

 * Class W3_Cdn_Mirror_Netdna

 */

class W3_Cdn_Mirror_Netdna extends W3_Cdn_Mirror {

    /**

     * PHP5 Constructor

     *

     * @param array $config

     */

    function __construct($config = array()) {

        $config = array_merge(array(

            'alias' => '',

            'consumerkey' => '',

            'consumersecret' => ''

        ), $config);



        parent::__construct($config);

    }



    /**

     * Purges remote files

     *

     * @param array $files

     * @param array $results

     * @return boolean

     */

    function purge($files, &$results) {

        if (empty($this->_config['alias'])) {

            $results = $this->_get_results($files, W3TC_CDN_RESULT_HALT, 'Empty Alias.');



            return false;

        }



        if (empty($this->_config['consumerkey'])) {

            $results = $this->_get_results($files, W3TC_CDN_RESULT_HALT, 'Empty Consumer Key.');



            return false;

        }



        if (empty($this->_config['consumersecret'])) {

            $results = $this->_get_results($files, W3TC_CDN_RESULT_HALT, 'Empty Consumer Secret.');



            return false;

        }



        if (!class_exists('NetDNA')) {

            w3_require_once(W3TC_LIB_NETDNA_DIR . '/NetDNA.php');

        }



        $api = new NetDNA($this->_config['alias'], $this->_config['consumerkey'], $this->_config['consumersecret']);



        $results = array();

        $local_path = $remote_path = '';

        $domain_is_valid = 0;

        $found_domain = false;



        try {

            $customdomains =  json_decode($api->get('/zones/pull.json'));



            if (preg_match("(200|201)", $customdomains->code)) {



                foreach ($files as $file) {

                    $local_path = $file['local_path'];

                    $remote_path = $file['remote_path'];



                    $domain_is_valid = 0;

                    $found_domain = false;



                    foreach ($customdomains->data->pullzones as $zone) {



                        if ($zone->name . '.' . $this->_config['alias'] . '.' . W3TC_CDN_NETDNA_URL === $this->_config['domain'][0]) {

                            try {

                                $params = array('file' => '/' . $local_path);



                                $file_purge = json_decode($api->delete('/zones/pull.json/' . $zone->id . '/cache', $params));



                                if(preg_match("(200|201)", $customdomains->code)) {

                                    $results[] = $this->_get_result($local_path, $remote_path, W3TC_CDN_RESULT_OK, 'OK');

                                } else {

                                    if(preg_match("(401|500)", $file_purge->code)) {

                                        $results[] = $this->_get_result($local_path, $remote_path, W3TC_CDN_RESULT_ERROR, 'Failed with error code ' . $file_purge->code . '. Please check your alias, consumer key, and private key.');

                                    } else {

                                        $results[] = $this->_get_result($local_path, $remote_path, W3TC_CDN_RESULT_ERROR, 'Failed with error code ' . $file_purge->code);

                                    }

                                }



                                $found_domain = true;

                            } catch (CurlException $e) {

                                $results[] = $this->_get_result($local_path, $remote_path, W3TC_CDN_RESULT_HALT, sprintf('Unable to purge (%s).', $e->getMessage()));

                            }

                        } else {

                            $domain_is_valid++;

                        }

                    }

                }

            } else {

                if (preg_match("(401|500)", $customdomains->code)) {

                    $results[] = $this->_get_result($local_path, $remote_path, W3TC_CDN_RESULT_ERROR, 'Failed with error code ' . $customdomains->code . '. Please check your alias, consumer key, and private key.');

                } else {

                    $results[] = $this->_get_result($local_path, $remote_path, W3TC_CDN_RESULT_ERROR, 'Failed with error code ' . $customdomains->code);

                }

            }



        } catch (CurlException $e) {

            $results[] = $this->_get_result($local_path, $remote_path, W3TC_CDN_RESULT_HALT, 'Failure to pull list of zones: ' . $e->getMessage());

        } 



        if ($domain_is_valid > 0 && !$found_domain) {

            $results[] = $this->_get_result($local_path, $remote_path, W3TC_CDN_RESULT_ERROR, 'No zones matching custom domain.');

        }



        return !$this->_is_error($results);

    }



    /**

     * Purge CDN completely

     * @param $results

     * @return bool

     */

    function purge_all(&$results) {

        if (empty($this->_config['alias'])) {

            $results = $this->_get_results(array(), W3TC_CDN_RESULT_HALT, 'Empty Alias.');



            return false;

        }



        if (empty($this->_config['consumerkey'])) {

            $results = $this->_get_results(array(), W3TC_CDN_RESULT_HALT, 'Empty Consumer Key.');



            return false;

        }



        if (empty($this->_config['consumersecret'])) {

            $results = $this->_get_results(array(), W3TC_CDN_RESULT_HALT, 'Empty Consumer Secret.');



            return false;

        }



        if (!class_exists('NetDNA')) {

            w3_require_once(W3TC_LIB_NETDNA_DIR . '/NetDNA.php');

        }



        $api = new NetDNA($this->_config['alias'], $this->_config['consumerkey'], $this->_config['consumersecret']);



        $results = array();

        $local_path = $remote_path = '';

        $domain_is_valid = 0;

        $found_domain = false;



        try {

            $customdomains =  json_decode($api->get('/zones/pull.json'));



            if (preg_match("(200|201)", $customdomains->code)) {



                $local_path = 'all';

                $remote_path = 'all';



                $domain_is_valid = 0;

                $found_domain = false;



                foreach ($customdomains->data->pullzones as $zone) {



                    if ($zone->name . '.' . $this->_config['alias'] . '.' . W3TC_CDN_NETDNA_URL === $this->_config['domain'][0]) {

                        try {



                            $file_purge = json_decode($api->delete('/zones/pull.json/' . $zone->id . '/cache'));



                            if(preg_match("(200|201)", $customdomains->code)) {

                                $results[] = $this->_get_result($local_path, $remote_path, W3TC_CDN_RESULT_OK, 'OK');

                            } else {

                                if(preg_match("(401|500)", $file_purge->code)) {

                                    $results[] = $this->_get_result($local_path, $remote_path, W3TC_CDN_RESULT_ERROR, 'Failed with error code ' . $file_purge->code . '. Please check your alias, consumer key, and private key.');

                                } else {

                                    $results[] = $this->_get_result($local_path, $remote_path, W3TC_CDN_RESULT_ERROR, 'Failed with error code ' . $file_purge->code);

                                }

                            }



                            $found_domain = true;

                        } catch (CurlException $e) {

                            $results[] = $this->_get_result($local_path, $remote_path, W3TC_CDN_RESULT_HALT, sprintf('Unable to purge (%s).', $e->getMessage()));

                        }

                    } else {

                        $domain_is_valid++;

                    }

                }

            } else {

                if (preg_match("(401|500)", $customdomains->code)) {

                    $results[] = $this->_get_result($local_path, $remote_path, W3TC_CDN_RESULT_ERROR, 'Failed with error code ' . $customdomains->code . '. Please check your alias, consumer key, and private key.');

                } else {

                    $results[] = $this->_get_result($local_path, $remote_path, W3TC_CDN_RESULT_ERROR, 'Failed with error code ' . $customdomains->code);

                }

            }



        } catch (CurlException $e) {

            $results[] = $this->_get_result($local_path, $remote_path, W3TC_CDN_RESULT_HALT, 'Failure to pull list of zones: ' . $e->getMessage());

        }



        if ($domain_is_valid > 0 && !$found_domain) {

            $results[] = $this->_get_result($local_path, $remote_path, W3TC_CDN_RESULT_ERROR, 'No zones matching custom domain.');

        }



        return !$this->_is_error($results);

    }



    /**

     * If the CDN supports fullpage mirroring

     * @return bool

     */

    function supports_full_page_mirroring() {

        return true;

    }

}

