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@ -28,7 +28,7 @@
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*/
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class rcmail
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{
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static public $main_tasks = array('mail','settings','addressbook','logout');
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static public $main_tasks = array('mail','settings','addressbook','login','logout');
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static private $instance;
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@ -194,7 +194,7 @@ class rcmail
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$lang = $this->language_prop(substr($lang, 0, 2));
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}
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if (!isset($rcube_languages[$lang])) {
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if (!isset($rcube_languages[$lang]) || !is_dir(INSTALL_PATH . 'program/localization/' . $lang)) {
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$lang = 'en_US';
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}
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@ -271,20 +271,12 @@ class rcmail
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* @param boolean True if connection should be established
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* @todo Remove global $IMAP
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*/
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function imap_init($connect = false)
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public function imap_init($connect = false)
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{
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$this->imap = new rcube_imap($this->db);
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$this->imap->debug_level = $this->config->get('debug_level');
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$this->imap->skip_deleted = $this->config->get('skip_deleted');
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// connect with stored session data
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if ($connect && $_SESSION['imap_host']) {
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if (!($conn = $this->imap->connect($_SESSION['imap_host'], $_SESSION['username'], decrypt_passwd($_SESSION['password']), $_SESSION['imap_port'], $_SESSION['imap_ssl'])))
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; #$OUTPUT->show_message('imaperror', 'error');
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$this->set_imap_prop();
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}
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// enable caching of imap data
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if ($this->config->get('enable_caching')) {
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$this->imap->set_caching(true);
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@ -292,9 +284,34 @@ class rcmail
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// set pagesize from config
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$this->imap->set_pagesize($this->config->get('pagesize', 50));
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// set global object for backward compatibility
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$GLOBALS['IMAP'] = $this->imap;
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if ($connect)
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$this->imap_connect();
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}
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/**
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* Connect to IMAP server with stored session data
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*
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* @return bool True on success, false on error
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*/
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public function imap_connect()
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{
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$conn = false;
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if ($_SESSION['imap_host']) {
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if (!($conn = $this->imap->connect($_SESSION['imap_host'], $_SESSION['username'], $this->decrypt_passwd($_SESSION['password']), $_SESSION['imap_port'], $_SESSION['imap_ssl']))) {
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if ($this->output)
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$this->output->show_message($this->imap->error_code == -1 ? 'imaperror' : 'sessionerror', 'error');
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}
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$this->set_imap_prop();
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}
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return $conn;
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}
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@ -402,7 +419,7 @@ class rcmail
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$_SESSION['imap_host'] = $host;
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$_SESSION['imap_port'] = $imap_port;
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$_SESSION['imap_ssl'] = $imap_ssl;
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$_SESSION['password'] = encrypt_passwd($pass);
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$_SESSION['password'] = $this->encrypt_passwd($pass);
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$_SESSION['login_time'] = mktime();
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// force reloading complete list of subscribed mailboxes
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@ -442,7 +459,266 @@ class rcmail
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}
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}
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/**
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* Auto-select IMAP host based on the posted login information
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*
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* @return string Selected IMAP host
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*/
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public function autoselect_host()
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{
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$default_host = $this->config->get('default_host');
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$host = !empty($default_host) ? get_input_value('_host', RCUBE_INPUT_POST) : $default_host;
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if (is_array($host)) {
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list($user, $domain) = explode('@', get_input_value('_user', RCUBE_INPUT_POST));
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if (!empty($domain)) {
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foreach ($host as $imap_host => $mail_domains) {
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if (is_array($mail_domains) && in_array($domain, $mail_domains)) {
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$host = $imap_host;
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break;
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}
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}
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}
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// take the first entry if $host is still an array
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if (is_array($host))
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$host = array_shift($host);
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}
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return $host;
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}
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/**
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* Get localized text in the desired language
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*
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* @param mixed Named parameters array or label name
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* @return string Localized text
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*/
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public function gettext($attrib)
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{
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// load localization files if not done yet
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if (empty($this->texts))
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$this->load_language();
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// extract attributes
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if (is_string($attrib))
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$attrib = array('name' => $attrib);
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$nr = is_numeric($attrib['nr']) ? $attrib['nr'] : 1;
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$vars = isset($attrib['vars']) ? $attrib['vars'] : '';
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$command_name = !empty($attrib['command']) ? $attrib['command'] : NULL;
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$alias = $attrib['name'] ? $attrib['name'] : ($command_name && $command_label_map[$command_name] ? $command_label_map[$command_name] : '');
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// text does not exist
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if (!($text_item = $this->texts[$alias])) {
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/*
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raise_error(array(
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'code' => 500,
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'type' => 'php',
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'line' => __LINE__,
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'file' => __FILE__,
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'message' => "Missing localized text for '$alias' in '$sess_user_lang'"), TRUE, FALSE);
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*/
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return "[$alias]";
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}
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// make text item array
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$a_text_item = is_array($text_item) ? $text_item : array('single' => $text_item);
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// decide which text to use
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if ($nr == 1) {
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$text = $a_text_item['single'];
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}
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else if ($nr > 0) {
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$text = $a_text_item['multiple'];
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}
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else if ($nr == 0) {
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if ($a_text_item['none'])
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$text = $a_text_item['none'];
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else if ($a_text_item['single'])
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$text = $a_text_item['single'];
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else if ($a_text_item['multiple'])
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$text = $a_text_item['multiple'];
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}
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// default text is single
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if ($text == '') {
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$text = $a_text_item['single'];
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}
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// replace vars in text
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if (is_array($attrib['vars'])) {
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foreach ($attrib['vars'] as $var_key => $var_value)
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$a_replace_vars[$var_key{0}=='$' ? substr($var_key, 1) : $var_key] = $var_value;
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}
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if ($a_replace_vars)
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$text = preg_replace('/\$\{?([_a-z]{1}[_a-z0-9]*)\}?/ei', '$a_replace_vars["\1"]', $text);
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// format output
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if (($attrib['uppercase'] && strtolower($attrib['uppercase']=='first')) || $attrib['ucfirst'])
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return ucfirst($text);
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else if ($attrib['uppercase'])
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return strtoupper($text);
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else if ($attrib['lowercase'])
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return strtolower($text);
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return $text;
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}
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/**
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* Load a localization package
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*
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* @param string Language ID
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*/
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public function load_language($lang = null)
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{
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$lang = $lang ? $this->language_prop($lang) : $_SESSION['language'];
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// load localized texts
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if (empty($this->texts) || $lang != $_SESSION['language']) {
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$this->texts = array();
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// get english labels (these should be complete)
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@include(INSTALL_PATH . 'program/localization/en_US/labels.inc');
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@include(INSTALL_PATH . 'program/localization/en_US/messages.inc');
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if (is_array($labels))
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$sa_text_data = $labels;
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if (is_array($messages))
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$sa_text_data = array_merge($sa_text_data, $messages);
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// include user language files
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if ($lang != 'en' && is_dir(INSTALL_PATH . 'program/localization/' . $lang)) {
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include_once(INSTALL_PATH . 'program/localization/' . $lang . '/labels.inc');
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include_once(INSTALL_PATH . 'program/localization/' . $lang . '/messages.inc');
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if (is_array($labels))
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$this->texts = array_merge($this->texts, $labels);
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if (is_array($messages))
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$this->texts = array_merge($this->texts, $messages);
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}
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$_SESSION['language'] = $lang;
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}
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}
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/**
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* Read directory program/localization and return a list of available languages
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*
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* @return array List of available localizations
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*/
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public function list_languages()
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{
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static $sa_languages = array();
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if (!sizeof($sa_languages)) {
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@include(INSTALL_PATH . 'program/localization/index.inc');
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if ($dh = @opendir(INSTALL_PATH . 'program/localization')) {
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while (($name = readdir($dh)) !== false) {
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if ($name{0}=='.' || !is_dir(INSTALL_PATH . 'program/localization/' . $name))
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continue;
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if ($label = $rcube_languages[$name])
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$sa_languages[$name] = $label ? $label : $name;
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}
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closedir($dh);
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}
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}
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return $sa_languages;
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}
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/**
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|
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* Check the auth hash sent by the client against the local session credentials
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|
*
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* @return boolean True if valid, False if not
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*/
|
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|
|
function authenticate_session()
|
|
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|
|
{
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|
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global $SESS_CLIENT_IP, $SESS_CHANGED;
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|
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|
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|
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// advanced session authentication
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|
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if ($this->config->get('double_auth')) {
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$now = time();
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$valid = ($_COOKIE['sessauth'] == $this->get_auth_hash(session_id(), $_SESSION['auth_time']) ||
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$_COOKIE['sessauth'] == $this->get_auth_hash(session_id(), $_SESSION['last_auth']));
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|
|
// renew auth cookie every 5 minutes (only for GET requests)
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|
|
if (!$valid || ($_SERVER['REQUEST_METHOD']!='POST' && $now - $_SESSION['auth_time'] > 300)) {
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$_SESSION['last_auth'] = $_SESSION['auth_time'];
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$_SESSION['auth_time'] = $now;
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|
|
setcookie('sessauth', $this->get_auth_hash(session_id(), $now));
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}
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|
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}
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else {
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|
|
$valid = $this->config->get('ip_check') ? $_SERVER['REMOTE_ADDR'] == $SESS_CLIENT_IP : true;
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}
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|
|
|
|
|
|
|
|
// check session filetime
|
|
|
|
|
$lifetime = $this->config->get('session_lifetime');
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|
|
if (!empty($lifetime) && isset($SESS_CHANGED) && $SESS_CHANGED + $lifetime*60 < time()) {
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|
|
$valid = false;
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}
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|
return $valid;
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|
|
}
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
/**
|
|
|
|
|
* Destroy session data and remove cookie
|
|
|
|
|
*/
|
|
|
|
|
public function kill_session()
|
|
|
|
|
{
|
|
|
|
|
$user_prefs = $this->user->get_prefs();
|
|
|
|
|
|
|
|
|
|
if ((isset($_SESSION['sort_col']) && $_SESSION['sort_col'] != $user_prefs['message_sort_col']) ||
|
|
|
|
|
(isset($_SESSION['sort_order']) && $_SESSION['sort_order'] != $user_prefs['message_sort_order'])) {
|
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|
|
$this->user->save_prefs(array('message_sort_col' => $_SESSION['sort_col'], 'message_sort_order' => $_SESSION['sort_order']));
|
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|
|
|
}
|
|
|
|
|
|
|
|
|
|
$_SESSION = array('language' => $USER->language, 'auth_time' => time(), 'temp' => true);
|
|
|
|
|
setcookie('sessauth', '-del-', time() - 60);
|
|
|
|
|
$this->user->reset();
|
|
|
|
|
}
|
|
|
|
|
|
|
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|
|
|
|
|
|
|
/**
|
|
|
|
|
* Do server side actions on logout
|
|
|
|
|
*/
|
|
|
|
|
public function logout_actions()
|
|
|
|
|
{
|
|
|
|
|
$config = $this->config->all();
|
|
|
|
|
|
|
|
|
|
// on logout action we're not connected to imap server
|
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if (($config['logout_purge'] && !empty($config['trash_mbox'])) || $config['logout_expunge']) {
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if (!$this->authenticate_session())
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return;
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$this->imap_init(true);
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}
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if ($config['logout_purge'] && !empty($config['trash_mbox'])) {
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$this->imap->clear_mailbox($config['trash_mbox']);
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}
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if ($config['logout_expunge']) {
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$this->imap->expunge('INBOX');
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}
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}
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/**
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* Function to be executed in script shutdown
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* Registered with register_shutdown_function()
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*/
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public function shutdown()
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{
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if (is_object($this->imap)) {
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|
@ -457,6 +733,86 @@ class rcmail
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session_write_close();
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}
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/**
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* Create unique authorization hash
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*
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|
|
* @param string Session ID
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|
* @param int Timestamp
|
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|
* @return string The generated auth hash
|
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*/
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|
|
private function get_auth_hash($sess_id, $ts)
|
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|
|
|
{
|
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|
|
$auth_string = sprintf('rcmail*sess%sR%s*Chk:%s;%s',
|
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|
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$sess_id,
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$ts,
|
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$this->config->get('ip_check') ? $_SERVER['REMOTE_ADDR'] : '***.***.***.***',
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$_SERVER['HTTP_USER_AGENT']);
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|
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if (function_exists('sha1'))
|
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|
|
return sha1($auth_string);
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|
|
else
|
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|
|
return md5($auth_string);
|
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|
|
}
|
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|
|
/**
|
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|
|
|
* Encrypt IMAP password using DES encryption
|
|
|
|
|
*
|
|
|
|
|
* @param string Password to encrypt
|
|
|
|
|
* @return string Encryprted string
|
|
|
|
|
*/
|
|
|
|
|
private function encrypt_passwd($pass)
|
|
|
|
|
{
|
|
|
|
|
if (function_exists('mcrypt_module_open') && ($td = mcrypt_module_open(MCRYPT_TripleDES, "", MCRYPT_MODE_ECB, ""))) {
|
|
|
|
|
$iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
|
|
|
|
|
mcrypt_generic_init($td, $this->config->get_des_key(), $iv);
|
|
|
|
|
$cypher = mcrypt_generic($td, $pass);
|
|
|
|
|
mcrypt_generic_deinit($td);
|
|
|
|
|
mcrypt_module_close($td);
|
|
|
|
|
}
|
|
|
|
|
else if (function_exists('des')) {
|
|
|
|
|
$cypher = des($this->config->get_des_key(), $pass, 1, 0, NULL);
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
$cypher = $pass;
|
|
|
|
|
|
|
|
|
|
raise_error(array(
|
|
|
|
|
'code' => 500,
|
|
|
|
|
'type' => 'php',
|
|
|
|
|
'file' => __FILE__,
|
|
|
|
|
'message' => "Could not convert encrypt password. Make sure Mcrypt is installed or lib/des.inc is available"
|
|
|
|
|
), true, false);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return base64_encode($cypher);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Decrypt IMAP password using DES encryption
|
|
|
|
|
*
|
|
|
|
|
* @param string Encrypted password
|
|
|
|
|
* @return string Plain password
|
|
|
|
|
*/
|
|
|
|
|
public function decrypt_passwd($cypher)
|
|
|
|
|
{
|
|
|
|
|
if (function_exists('mcrypt_module_open') && ($td = mcrypt_module_open(MCRYPT_TripleDES, "", MCRYPT_MODE_ECB, ""))) {
|
|
|
|
|
$iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
|
|
|
|
|
mcrypt_generic_init($td, $this->config->get_des_key(), $iv);
|
|
|
|
|
$pass = mdecrypt_generic($td, base64_decode($cypher));
|
|
|
|
|
mcrypt_generic_deinit($td);
|
|
|
|
|
mcrypt_module_close($td);
|
|
|
|
|
}
|
|
|
|
|
else if (function_exists('des')) {
|
|
|
|
|
$pass = des($this->config->get_des_key(), base64_decode($cypher), 0, 0, NULL);
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
$pass = base64_decode($cypher);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return preg_replace('/\x00/', '', $pass);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
thomascube
16 years ago