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277 lines
9.6 KiB
PHP
277 lines
9.6 KiB
PHP
<?php
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/*
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+-------------------------------------------------------------------------+
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| Roundcube Webmail IMAP Client |
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| Version 0.4-20100807 |
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| Copyright (C) 2005-2010, Roundcube Dev. - Switzerland |
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| This program is free software; you can redistribute it and/or modify |
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| it under the terms of the GNU General Public License version 2 |
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| as published by the Free Software Foundation. |
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| |
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| This program is distributed in the hope that it will be useful, |
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| but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| GNU General Public License for more details. |
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| |
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| You should have received a copy of the GNU General Public License along |
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| with this program; if not, write to the Free Software Foundation, Inc., |
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| 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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| |
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+-------------------------------------------------------------------------+
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| Author: Thomas Bruederli <roundcube@gmail.com> |
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+-------------------------------------------------------------------------+
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$Id$
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*/
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// include environment
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require_once 'program/include/iniset.php';
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// init application, start session, init output class, etc.
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$RCMAIL = rcmail::get_instance();
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// turn on output buffering
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ob_start();
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// check if config files had errors
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if ($err_str = $RCMAIL->config->get_error()) {
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raise_error(array(
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'code' => 601,
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'type' => 'php',
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'message' => $err_str), false, true);
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}
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// check DB connections and exit on failure
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if ($err_str = $DB->is_error()) {
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raise_error(array(
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'code' => 603,
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'type' => 'db',
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'message' => $err_str), FALSE, TRUE);
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}
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// error steps
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if ($RCMAIL->action=='error' && !empty($_GET['_code'])) {
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raise_error(array('code' => hexdec($_GET['_code'])), FALSE, TRUE);
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}
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// check if https is required (for login) and redirect if necessary
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if (empty($_SESSION['user_id']) && ($force_https = $RCMAIL->config->get('force_https', false))) {
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$https_port = is_bool($force_https) ? 443 : $force_https;
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if (!rcube_https_check($https_port)) {
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$host = preg_replace('/:[0-9]+$/', '', $_SERVER['HTTP_HOST']);
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$host .= ($https_port != 443 ? ':' . $https_port : '');
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header('Location: https://' . $host . $_SERVER['REQUEST_URI']);
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exit;
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}
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}
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// trigger startup plugin hook
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$startup = $RCMAIL->plugins->exec_hook('startup', array('task' => $RCMAIL->task, 'action' => $RCMAIL->action));
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$RCMAIL->set_task($startup['task']);
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$RCMAIL->action = $startup['action'];
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// try to log in
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if ($RCMAIL->task == 'login' && $RCMAIL->action == 'login') {
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// purge the session in case of new login when a session already exists
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$RCMAIL->kill_session();
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$auth = $RCMAIL->plugins->exec_hook('authenticate', array(
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'host' => $RCMAIL->autoselect_host(),
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'user' => trim(get_input_value('_user', RCUBE_INPUT_POST)),
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'pass' => get_input_value('_pass', RCUBE_INPUT_POST, true,
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$RCMAIL->config->get('password_charset', 'ISO-8859-1')),
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'cookiecheck' => true,
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));
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// check if client supports cookies
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if ($auth['cookiecheck'] && empty($_COOKIE)) {
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$OUTPUT->show_message("cookiesdisabled", 'warning');
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}
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else if ($_SESSION['temp'] && !$auth['abort'] &&
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!empty($auth['host']) && !empty($auth['user']) &&
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$RCMAIL->login($auth['user'], $auth['pass'], $auth['host'])) {
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// create new session ID
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$RCMAIL->session->remove('temp');
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$RCMAIL->session->regenerate_id();
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// send auth cookie if necessary
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$RCMAIL->authenticate_session();
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// log successful login
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rcmail_log_login();
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// restore original request parameters
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$query = array();
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if ($url = get_input_value('_url', RCUBE_INPUT_POST))
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parse_str($url, $query);
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// allow plugins to control the redirect url after login success
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$redir = $RCMAIL->plugins->exec_hook('login_after', $query);
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unset($redir['abort']);
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// send redirect
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$OUTPUT->redirect($redir);
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}
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else {
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$error_code = is_object($IMAP) ? $IMAP->get_error_code() : -1;
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$OUTPUT->show_message($error_code < -1 ? 'imaperror' : 'loginfailed', 'warning');
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$RCMAIL->plugins->exec_hook('login_failed', array(
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'code' => $error_code, 'host' => $auth['host'], 'user' => $auth['user']));
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$RCMAIL->kill_session();
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}
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}
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// end session
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else if ($RCMAIL->task == 'logout' && isset($_SESSION['user_id'])) {
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$userdata = array('user' => $_SESSION['username'], 'host' => $_SESSION['imap_host'], 'lang' => $RCMAIL->user->language);
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$OUTPUT->show_message('loggedout');
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$RCMAIL->logout_actions();
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$RCMAIL->kill_session();
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$RCMAIL->plugins->exec_hook('logout_after', $userdata);
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}
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// check session and auth cookie
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else if ($RCMAIL->task != 'login' && $_SESSION['user_id'] && $RCMAIL->action != 'send') {
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if (!$RCMAIL->authenticate_session()) {
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$OUTPUT->show_message('sessionerror', 'error');
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$RCMAIL->kill_session();
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}
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}
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// not logged in -> show login page
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if (empty($RCMAIL->user->ID)) {
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if ($OUTPUT->ajax_call)
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$OUTPUT->redirect(array(), 2000);
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if (!empty($_REQUEST['_framed']))
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$OUTPUT->command('redirect', '?');
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// check if installer is still active
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if ($RCMAIL->config->get('enable_installer') && is_readable('./installer/index.php')) {
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$OUTPUT->add_footer(html::div(array('style' => "background:#ef9398; border:2px solid #dc5757; padding:0.5em; margin:2em auto; width:50em"),
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html::tag('h2', array('style' => "margin-top:0.2em"), "Installer script is still accessible") .
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html::p(null, "The install script of your Roundcube installation is still stored in its default location!") .
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html::p(null, "Please <b>remove</b> the whole <tt>installer</tt> folder from the Roundcube directory because .
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these files may expose sensitive configuration data like server passwords and encryption keys
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to the public. Make sure you cannot access the <a href=\"./installer/\">installer script</a> from your browser.")
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)
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);
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}
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$OUTPUT->set_env('task', 'login');
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$OUTPUT->send('login');
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}
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// CSRF prevention
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else {
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// don't check for valid request tokens in these actions
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$request_check_whitelist = array('login'=>1, 'spell'=>1);
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// check client X-header to verify request origin
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if ($OUTPUT->ajax_call) {
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if (rc_request_header('X-Roundcube-Request') != $RCMAIL->get_request_token()) {
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header('HTTP/1.1 404 Not Found');
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die("Invalid Request");
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}
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}
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// check request token in POST form submissions
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else if (!empty($_POST) && !$request_check_whitelist[$RCMAIL->action] && !$RCMAIL->check_request()) {
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$OUTPUT->show_message('invalidrequest', 'error');
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$OUTPUT->send($RCMAIL->task);
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}
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}
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// handle special actions
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if ($RCMAIL->action == 'keep-alive') {
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$OUTPUT->reset();
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$OUTPUT->send();
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}
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else if ($RCMAIL->action == 'save-pref') {
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include 'steps/utils/save_pref.inc';
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}
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// map task/action to a certain include file
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$action_map = array(
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'mail' => array(
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'preview' => 'show.inc',
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'print' => 'show.inc',
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'moveto' => 'move_del.inc',
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'delete' => 'move_del.inc',
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'send' => 'sendmail.inc',
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'expunge' => 'folders.inc',
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'purge' => 'folders.inc',
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'remove-attachment' => 'attachments.inc',
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'display-attachment' => 'attachments.inc',
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'upload' => 'attachments.inc',
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'group-expand' => 'autocomplete.inc',
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),
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'addressbook' => array(
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'add' => 'edit.inc',
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'group-create' => 'groups.inc',
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'group-rename' => 'groups.inc',
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'group-delete' => 'groups.inc',
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'group-addmembers' => 'groups.inc',
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'group-delmembers' => 'groups.inc',
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),
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'settings' => array(
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'folders' => 'manage_folders.inc',
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'create-folder' => 'manage_folders.inc',
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'rename-folder' => 'manage_folders.inc',
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'delete-folder' => 'manage_folders.inc',
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'subscribe' => 'manage_folders.inc',
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'unsubscribe' => 'manage_folders.inc',
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'enable-threading' => 'manage_folders.inc',
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'disable-threading' => 'manage_folders.inc',
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'add-identity' => 'edit_identity.inc',
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)
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);
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// include task specific functions
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if (is_file($incfile = 'program/steps/'.$RCMAIL->task.'/func.inc'))
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include_once($incfile);
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// allow 5 "redirects" to another action
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$redirects = 0; $incstep = null;
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while ($redirects < 5) {
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$stepfile = !empty($action_map[$RCMAIL->task][$RCMAIL->action]) ?
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$action_map[$RCMAIL->task][$RCMAIL->action] : strtr($RCMAIL->action, '-', '_') . '.inc';
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// execute a plugin action
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if ($RCMAIL->plugins->is_plugin_task($RCMAIL->task)) {
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$RCMAIL->plugins->exec_action($RCMAIL->task.'.'.$RCMAIL->action);
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break;
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}
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else if (preg_match('/^plugin\./', $RCMAIL->action)) {
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$RCMAIL->plugins->exec_action($RCMAIL->action);
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break;
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}
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// try to include the step file
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else if (is_file($incfile = 'program/steps/'.$RCMAIL->task.'/'.$stepfile)) {
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include($incfile);
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$redirects++;
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}
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else {
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break;
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}
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}
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// parse main template (default)
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$OUTPUT->send($RCMAIL->task);
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// if we arrive here, something went wrong
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raise_error(array(
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'code' => 404,
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'type' => 'php',
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'line' => __LINE__,
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'file' => __FILE__,
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'message' => "Invalid request"), true, true);
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