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✏️ Editing: reconnect.php

<?php
/**
 * Roundcube Reconnect Plugin
 *
 * @version 0.2
 * @author Sandro Knauß <hefee@debian.org>
 * @license GPLv3+
 */
class reconnect extends rcube_plugin
{
    private $imap_max_attempts;

/**
     * Plugin initialization
     */
    function init()
    {
        $this->add_hook('storage_connect', [$this, 'storage_connect']);
    }

/**
     * Storage_connect hook handler
     */
    function storage_connect($args)
    {
        $rcmail = rcmail::get_instance();

$this->load_config();

$this->imap_max_attempts = $rcmail->config->get('reconnect_imap_max_attempts', 5);

$args['retry'] = ($args['attempt'] <= $this->imap_max_attempts);

if ($args['attempt'] == 1) {
            return $args;
        }

$storage = rcmail::get_instance()->get_storage();

switch ($storage->get_error_code()) {
        case rcube_imap_generic::ERROR_NO:
        case rcube_imap_generic::ERROR_BAD:
        case rcube_imap_generic::ERROR_BYE:
            $args['retry'] = false;
            break;
        }

if ($args['retry']) {
            // if we do a new attempt, sleep 50 to 150ms before retry.
            usleep(rand(50*1000, 150*1000));
        }

return $args;
    }
}

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