/**
* Pick the adapter to be used for performing the actual queries.
*
* @since 3.6.0
*/
private function set_driver()
{
$driver = WP_DB_Driver_Config::get_current_driver();
if (!$driver) {
wp_load_translations_early();
// Load custom DB error template, if present.
if (file_exists(WP_CONTENT_DIR . '/db-error.php')) {
require_once WP_CONTENT_DIR . '/db-error.php';
die;
}
$this->bail(__("\n\t\t\t\t<h1>No database drivers found</h1>.\n\t\t\t\t<p>WordPress requires the mysql, mysqli, or pdo_mysql extension to talk to your database.</p>\n\t\t\t\t<p>If you're unsure what these terms mean you should probably contact your host. If you still need help you can always visit the <a href='https://wordpress.org/support/'>WordPress Support Forums</a>.</p>\n\t\t\t"), 'db_connect_fail');
return false;
} else {
$this->dbh = new $driver();
}
return true;
}
public function page_overview()
{
if (!current_user_can('manage_options')) {
wp_die(__('You do not have sufficient permissions to access this page.'));
}
// Load if our custom wpdb wasn't loaded yet.
require_once dirname(__FILE__) . '/inc/config.php';
require_once dirname(__FILE__) . '/inc/interface-wp-db-driver.php';
echo '<div class="wrap">';
screen_icon('options-general');
echo '<h2>' . esc_html(get_admin_page_title()) . '</h2>';
// Don't force a specific file system method
$method = '';
// Define any extra pass-thru fields (none)
$form_fields = array();
// Define the URL to post back to (this one)
$url = $_SERVER['REQUEST_URI'];
// Install flags
$do_install = isset($_REQUEST['_wpnonce']) && wp_verify_nonce($_REQUEST['_wpnonce'], 'install-db-nonce');
$do_uninstall = isset($_REQUEST['_wpnonce']) && wp_verify_nonce($_REQUEST['_wpnonce'], 'uninstall-db-nonce');
if (is_super_admin() && ($do_install || $do_uninstall)) {
// Ask for credentials, if necessary
if (false === ($creds = request_filesystem_credentials($url, $method, false, false, $form_fields))) {
return true;
} elseif (!WP_Filesystem($creds)) {
// The credentials are bad, ask again
request_filesystem_credentials($url, $method, true, false, $form_fields);
return true;
} else {
// Once we get here, we should have credentials, do the file system operations
global $wp_filesystem;
// Install
if ($do_install) {
if ($wp_filesystem->put_contents($wp_filesystem->wp_content_dir() . '/db.php', file_get_contents(dirname(__FILE__) . '/wp-content/db.php'), FS_CHMOD_FILE)) {
echo '<div class="updated"><p><strong>' . __('db.php has been installed.', 'wp-db-driver') . '</strong></p></div>';
} else {
echo '<div class="error"><p><strong>' . __("db.php couldn't be installed. Please try is manually", 'wp-db-driver') . '</strong></p></div>';
}
// Remove
} elseif ($do_uninstall) {
if ($wp_filesystem->delete($wp_filesystem->wp_content_dir() . '/db.php')) {
echo '<div class="updated"><p><strong>' . __('db.php has been removed.', 'wp-db-driver') . '</strong></p></div>';
} else {
echo '<div class="error"><p><strong>' . __("db.php couldn't be removed. Please try is manually", 'wp-db-driver') . '</strong></p></div>';
}
}
}
}
echo '<div class="tool-box"><h3 class="title">' . __('Current driver', 'wp-db-driver') . '</h3></div>';
if (file_exists(WP_CONTENT_DIR . '/db.php')) {
$crc1 = md5_file(dirname(__FILE__) . '/wp-content/db.php');
$crc2 = md5_file(WP_CONTENT_DIR . '/db.php');
if ($crc1 === $crc2) {
echo '<form method="post" style="display: inline;">';
wp_nonce_field('uninstall-db-nonce');
echo '<p><strong>' . call_user_func(array(WP_DB_Driver_Config::get_current_driver(), 'get_name')) . '</strong> ';
if (function_exists('mysql') && is_super_admin()) {
submit_button(__('Remove', 'wp-db-driver'), 'primary', 'install-db-php', false);
}
echo '</p>';
echo '</form>';
} else {
echo '<form method="post" style="display: inline;">';
wp_nonce_field('install-db-nonce');
echo '<p><strong>' . __('Another db.php is installed', 'wp-db-driver') . '</strong> ';
if (is_super_admin()) {
submit_button(__('Install', 'wp-db-driver'), 'primary', 'install-db-php', false);
}
echo '</p>';
echo '</form>';
}
} else {
echo '<form method="post" style="display: inline;">';
wp_nonce_field('install-db-nonce');
echo '<p><strong>' . __('No custom db.php installed', 'wp-db-driver') . '</strong> ';
if (is_super_admin()) {
submit_button(__('Install', 'wp-db-driver'), 'primary', 'install-db-php', false);
}
echo '</p>';
echo '</form>';
}
echo '<div class="tool-box"><h3 class="title">' . __('Supported drivers', 'wp-db-driver') . '</h3></div>';
echo '<table class="form-table">';
$drivers = WP_DB_Driver_Config::get_drivers();
foreach ($drivers as $driver => $file) {
include_once $file;
echo '<tr>';
echo '<th>' . call_user_func(array($driver, 'get_name')) . '</th>';
echo '<td>';
if (call_user_func(array($driver, 'is_supported'))) {
_e('Installed', 'wp-db-driver');
} else {
_e('Not installed', 'wp-db-driver');
}
echo '</td>';
echo '</tr>';
}
echo '</table>';
}
