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home/bechata/mp/wp-content/plugins/jonradio-private-site/util/utilities.php000066600000016040151765011470023212 0ustar00<?php
/**
 * My Private Site by David Gewirtz, adopted from Jon ‘jonradio’ Pearkins
 *
 * Lab Notes: http://zatzlabs.com/lab-notes/
 * Plugin Page: https://zatzlabs.com/project/my-private-site/
 * Contact: http://zatzlabs.com/contact-us/
 *
 * Copyright (c) 2015-2020 by David Gewirtz
 */

// quick array name-of function
// from http://php.net/manual/en/function.key.php
function my_private_site_name_of(array $a, $pos) {
    $temp = array_slice($a, $pos, 1, true);

    return key($temp);
}

// from http://www.w3schools.com/php/filter_validate_url.asp
// returns a clean URL or false
// use === false to check it
function my_private_site_validate_url($url) {
    // Remove all illegal characters from a url
    $url = filter_var($url, FILTER_SANITIZE_URL);

    // Validate url
    if (!filter_var($url, FILTER_VALIDATE_URL) === false) {
        return $url;
    } else {
        return false;
    }
}

function my_private_site_obscurify_string($s, $char = '*', $inner_obscure = true) {
    $length = strlen($s);
    if ($length > 6) {
        $segment_size = intval($length / 3);
        $seg1         = substr($s, 0, $segment_size);
        $seg2         = substr($s, $segment_size, $segment_size);
        $seg3         = substr($s, $segment_size * 2, $length - ($segment_size * 2));

        if ($inner_obscure) {
            $seg2 = str_repeat($char, $segment_size);
        } else {
            $seg1 = str_repeat($char, $segment_size);
            $seg3 = str_repeat($char, strlen($seg3));
        }

        $s = $seg1 . $seg2 . $seg3;
    }

    return $s;
}

// label display functions

function my_private_site_get_feature_promo($desc, $url, $upgrade = "UPGRADE", $break = '<BR>') {
    $feature_desc = sanitize_text_field(htmlspecialchars($desc));

    $promo = $break;
    $promo .= '<span style="background-color:DarkGoldenRod; color:white;font-style:normal;text-weight:bold">';
    $promo .= '&nbsp;' . $upgrade . ':&nbsp;';
    $promo .= '</span>';
    $promo .= '<span style="color:DarkGoldenRod;font-style:normal;">';
    $promo .= '&nbsp;' . $feature_desc . ' ';
    $promo .= '<A target="_blank" HREF="' . $url . '">Learn more.</A>';
    $promo .= '</span>';

    return $promo;
}

function my_private_site_display_label($before = '&nbsp;', $message = 'BETA', $after = '', $background = '') {
    if ($background == '') {
        $background = 'darkgrey';
    }
    $label = $before . '<span style="background-color:' . $background . '; color:white;font-style:normal;text-weight:bold">';
    $label .= '&nbsp;' . $message . '&nbsp;';
    $label .= '</span>' . $after;

    return $label;
}

function my_private_site_display_fail() {
    return my_private_site_display_label('&nbsp;', 'FAIL', '', 'red');
}

function my_private_site_display_pass() {
    return my_private_site_display_label('&nbsp;', 'PASS', '', 'green');
}

// *** EDD LICENSING ***

function my_private_site_store_url() {
    return "https://zatzlabs.com";
}

function my_private_site_telemetry_url() {
    return "https://zatzlabs.com";
}

/******************************************************************************************************/
function my_private_site_debug_log($message) {
    $max_log_line_count = 200;

    $debug_log = get_option('jr_ps_donate_log');

    if (empty($debug_log)) {
        $debug_log = array();
    }

    $timestamp = current_time('mysql');

    $debug_log[] = $timestamp . ' ' . $message;

    if (count($debug_log) > $max_log_line_count) {
        $debug_log = array_slice($debug_log, -$max_log_line_count, 0);
    }

    update_option('jr_ps_donate_log', $debug_log);
}

function my_private_site_get_license_key($item) {
    $license_key   = '';
    $license_array = unserialize(get_option('jr_ps_licenses'));
    if (isset($license_array[$item])) {
        $license_key = $license_array[$item];
    }

    return $license_key;
}

function my_private_site_confirm_license_key($key) {
    if ($key == '') {
        return false;
    }

    return true;
}

function my_private_site_edd_activate_license($product, $license, $url) {
    my_private_site_debug_log('----------------------------------------');
    my_private_site_debug_log('LICENSE ACTIVATION STARTED');

    // retrieve the license from the database
    $license = trim($license);
    my_private_site_debug_log('Product: ' . $product);
    my_private_site_debug_log('License key: ' . my_private_site_obscurify_string($license));

    // Call the custom API.
    $response = wp_remote_get(
        add_query_arg(
            array(
                'edd_action' => 'activate_license',
                'license'    => $license,
                'item_name'  => urlencode($product)
                // the name of our product in EDD
            ), $url), array(
        'timeout'   => 15,
        'sslverify' => false,
    ));

    // make sure the response came back okay
    if (is_wp_error($response)) {
        my_private_site_debug_log('Response error detected: ' . $response->get_error_message());

        return false;
    }

    // decode the license data
    $license_data = json_decode(wp_remote_retrieve_body($response));

    // $license_data->license will be either "active" or "inactive" <-- "valid"
    if (isset($license_data->license) && $license_data->license == 'active' || $license_data->license == 'valid') {
        my_private_site_debug_log('License check value: ' . $license_data->license);
        my_private_site_debug_log('License check returning valid.');

        return 'valid';
    }

    my_private_site_debug_log('License check returning invalid.');

    return 'invalid';
}

function my_private_site_edd_deactivate_license($product, $license, $url) {
    my_private_site_debug_log('----------------------------------------');
    my_private_site_debug_log('LICENSE DEACTIVATION STARTED');

    // retrieve the license from the database

    $license = trim($license);
    my_private_site_debug_log('Product: ' . $product);
    my_private_site_debug_log('License key: ' . my_private_site_obscurify_string($license));

    // Call the custom API.
    $response = wp_remote_get(
        add_query_arg(
            array(
                'edd_action' => 'deactivate_license',
                'license'    => $license,
                'item_name'  => urlencode($product)
                // the name of our product in EDD
            ), $url), array(
        'timeout'   => 15,
        'sslverify' => false,
    ));

    // make sure the response came back okay
    if (is_wp_error($response)) {
        my_private_site_debug_log('Response error detected: ' . $response->get_error_message());

        return false;
    }

    // decode the license data
    $license_data = json_decode(wp_remote_retrieve_body($response));

    // $license_data->license will be either "active" or "inactive" <-- "valid"
    if (isset($license_data->license) && $license_data->license == 'deactivated') {
        my_private_site_debug_log('License check value: ' . $license_data->license);
        my_private_site_debug_log('License check returning deactivated.');

        return 'deactivated';
    }

    my_private_site_debug_log('License check returning invalid.');

    return 'invalid';
}