phpbb_settings.php

<?php
//
// phpbb_integration, its page in the control panel: ?cp=phpbb_settings
//

// not for directly open
if (!defined('IN_ADMIN')) {
    exit();
}

include_once __DIR__ . '/phpbb_test.php';

//current template
$stylee = 'admin_phpbb_settings';
$styleePath = __DIR__;

// the integration decides who signs in and who is a founder, so only a founder changes it, like the plugins
if ((int) ($userinfo['founder'] ?? 0) !== 1) {
    kleeja_admin_err($lang['HV_NOT_PRVLG_ACCESS'], basename(ADMIN_PATH));
}

// template variables
$action = basename(ADMIN_PATH) . '?cp=phpbb_settings';
$phpbb_bridge_url = $action . '&amp;case=bridge';
$phpbb_test_url = $action . '&amp;case=test';
$H_FORM_KEYS = kleeja_add_form_key('adm_phpbb_settings');

$phpbb_settings = phpbb_settings();
$phpbb_on = (int) $phpbb_settings['phpbb_intr_enabled'] === 1;
$phpbb_tab = in_array(g('case'), ['bridge', 'test'], true) ? g('case') : 'settings';
$phpbb_test_steps = $phpbb_errors = [];
$phpbb_alert = '';
$phpbb_alert_type = 'danger';

/**
 * save settings, they are kept as they were typed, update_config() encodes them once.
 * The settings are cached in a PHP file, and OPcache would run the old one for a while,
 * or until PHP restarts on a server that doesn't check the files. OPcache finds a relative path only while it exists
 */
$phpbb_save = function (array $values): void {
    $cached = PATH . 'cache/data_config.php';

    if (function_exists('opcache_invalidate') && file_exists($cached)) {
        @opcache_invalidate($cached, true);
    }

    foreach ($values as $name => $value) {
        update_config($name, (string) $value);
    }
};

$phpbb_passed = fn(array $steps): bool => !in_array('error', array_column($steps, 'status'), true);

if (ip('phpbb_action')) {
    if (!kleeja_check_form_key('adm_phpbb_settings', 3600)) {
        kleeja_admin_err($lang['INVALID_FORM_KEY'], $action);
    }

    switch (p('phpbb_action')) {
        // the test of the saved settings
        case 'test':
            $phpbb_tab = 'test';
            $phpbb_test_steps = phpbb_integration_test($phpbb_settings);

            break;

        // it is turned on only when kjauth.php answers with the key.
        // The account of the admin is a Kleeja one, the next page signs it out
        case 'enable':
            // the members would be sent to the example address to register and to get a new password
            if (phpbb_forum_address_is_example($phpbb_settings)) {
                $phpbb_tab = 'settings';
                $phpbb_alert = phpbb_integration_word('PHPBB_INTR_ERR_LINK_DEFAULT');

                break;
            }

            $phpbb_tab = 'test';
            $phpbb_test_steps = phpbb_integration_test($phpbb_settings);

            if ($phpbb_passed($phpbb_test_steps)) {
                $phpbb_save(['phpbb_intr_enabled' => '1', 'phpbb_intr_notice' => '']);
                kleeja_admin_info(phpbb_integration_word('PHPBB_INTR_TURNED_ON'), $action);
            }

            $phpbb_alert = phpbb_integration_word('PHPBB_INTR_NOT_TURNED_ON');

            break;

        case 'disable':
            $phpbb_save(['phpbb_intr_enabled' => '0']);
            kleeja_admin_info(phpbb_integration_word('PHPBB_INTR_TURNED_OFF'), $action);

            break;

        case 'save':
            $posted = $phpbb_settings;

            // p() encodes what it reads
            foreach (['phpbb_intr_link', 'phpbb_intr_path'] as $name) {
                $posted[$name] = ip($name) ? htmlspecialchars_decode(p($name), ENT_QUOTES) : $phpbb_settings[$name];
            }

            if (phpbb_forum_address($posted) === '') {
                $phpbb_errors[] = 'PHPBB_INTR_ERR_LINK';
            }

            // while it is on, the members sign in through this address: a new one is saved only if kjauth.php answers there,
            // or nobody could sign in, the admin neither
            $changed = phpbb_forum_address($posted) !== phpbb_forum_address($phpbb_settings);

            if (!$phpbb_errors && $phpbb_on && $changed) {
                $phpbb_test_steps = phpbb_integration_test($posted);

                if (!$phpbb_passed($phpbb_test_steps)) {
                    $phpbb_alert = phpbb_integration_word('PHPBB_INTR_NOT_SAVED');
                }
            }

            if (!$phpbb_errors && $phpbb_alert === '') {
                $phpbb_save([
                    'phpbb_intr_link' => trim($posted['phpbb_intr_link']),
                    'phpbb_intr_path' => trim($posted['phpbb_intr_path']),
                ]);
                kleeja_admin_info($lang['CONFIGS_UPDATED'], $action);
            }

            // the form keeps what was typed, to be fixed
            $phpbb_settings = $posted;

            break;

        // a new key, kjauth.php of the forum has to have it
        case 'regenerate':
            $phpbb_tab = 'bridge';
            $posted = ['phpbb_intr_api_key' => phpbb_new_api_key()] + $phpbb_settings;

            if (!$phpbb_on) {
                $phpbb_save(['phpbb_intr_api_key' => $posted['phpbb_intr_api_key']]);
                $written = phpbb_write_bridge($posted)['status'] === 'written';

                kleeja_admin_info(
                    phpbb_integration_word($written ? 'PHPBB_INTR_KEY_CHANGED_WRITTEN' : 'PHPBB_INTR_KEY_CHANGED_COPY'),
                    $action . '&amp;case=bridge',
                );
            }

            // while it is on, the members sign in with the key: Kleeja replaces kjauth.php itself,
            // and keeps the new key only when kjauth.php answers with it
            if (phpbb_write_bridge($posted)['status'] !== 'written') {
                $phpbb_alert = phpbb_integration_word('PHPBB_INTR_KEY_NOT_CHANGED_FOLDER');

                break;
            }

            $phpbb_test_steps = phpbb_integration_test($posted);

            // the login cookie of the admin has a token of the old key, the next page signs it out
            if ($phpbb_passed($phpbb_test_steps)) {
                $phpbb_save(['phpbb_intr_api_key' => $posted['phpbb_intr_api_key']]);
                kleeja_admin_info(phpbb_integration_word('PHPBB_INTR_KEY_CHANGED_ON'), $action . '&amp;case=bridge');
            }

            // the file of the old key, the members sign in with it again, and the test says what failed
            phpbb_write_bridge($phpbb_settings);
            $phpbb_tab = 'test';
            $phpbb_alert = phpbb_integration_word('PHPBB_INTR_KEY_NOT_CHANGED_TEST');

            break;
    }
}

// the form, its values are encoded once for HTML
$phpbb_form = array_map('kleeja_html_encode', $phpbb_settings);
$phpbb_tab_bridge = $phpbb_tab === 'bridge';
$phpbb_tab_test = $phpbb_tab === 'test';
$phpbb_tab_settings = !$phpbb_tab_bridge && !$phpbb_tab_test;
$phpbb_paused = $phpbb_on && defined('DISABLE_INTR');
$phpbb_notice = !$phpbb_on && $phpbb_settings['phpbb_intr_notice'] === 'bridge';
$phpbb_error_list = array_map(fn(string $word): array => ['text' => phpbb_integration_word($word)], $phpbb_errors);

// kjauth.php with the saved key, and where it goes
$phpbb_bridge_code = kleeja_html_encode(phpbb_bridge_code(phpbb_settings()));
$phpbb_bridge_folder = phpbb_forum_folder(phpbb_settings());
$phpbb_bridge_folder = $phpbb_bridge_folder === '' ? '' : kleeja_html_encode($phpbb_bridge_folder);
$phpbb_bridge_address = phpbb_forum_address(phpbb_settings());
$phpbb_bridge_address = $phpbb_bridge_address === '' ? '' : kleeja_html_encode($phpbb_bridge_address . '/kjauth.php');
$phpbb_key_confirm = phpbb_integration_word($phpbb_on ? 'PHPBB_INTR_KEY_NEW_CONFIRM_ON' : 'PHPBB_INTR_KEY_NEW_CONFIRM');

// the steps of the test, with the icon and the color of their status
$phpbb_test_passed = $phpbb_passed($phpbb_test_steps);
$phpbb_test_summary = phpbb_integration_word($phpbb_test_passed ? 'PHPBB_INTR_TEST_OK' : 'PHPBB_INTR_TEST_FAILED');
$phpbb_test_styles = [
    'ok' => ['circle-check', 'success'],
    'warning' => ['triangle-exclamation', 'warning'],
    'error' => ['circle-xmark', 'danger'],
    'skipped' => ['circle-minus', 'secondary'],
];

foreach ($phpbb_test_steps as $i => $step) {
    [$phpbb_test_steps[$i]['icon'], $phpbb_test_steps[$i]['color']] = $phpbb_test_styles[$step['status']];
}