|
+-----------------------------------------------------------------------+
*/
/**
* Class to create HTML page output using a skin template
*
* @package Webmail
* @subpackage View
*/
class rcmail_output_html extends rcmail_output
{
public $type = 'html';
protected $message;
protected $template_name;
protected $js_env = array();
protected $js_labels = array();
protected $js_commands = array();
protected $skin_paths = array();
protected $scripts_path = '';
protected $script_files = array();
protected $css_files = array();
protected $scripts = array();
protected $default_template = "\n\n\n";
protected $header = '';
protected $footer = '';
protected $body = '';
protected $base_path = '';
protected $assets_path;
protected $assets_dir = RCUBE_INSTALL_PATH;
protected $devel_mode = false;
// deprecated names of templates used before 0.5
protected $deprecated_templates = array(
'contact' => 'showcontact',
'contactadd' => 'addcontact',
'contactedit' => 'editcontact',
'identityedit' => 'editidentity',
'messageprint' => 'printmessage',
);
/**
* Constructor
*/
public function __construct($task = null, $framed = false)
{
parent::__construct();
$this->devel_mode = $this->config->get('devel_mode');
$this->set_env('task', $task);
$this->set_env('x_frame_options', $this->config->get('x_frame_options', 'sameorigin'));
$this->set_env('standard_windows', (bool) $this->config->get('standard_windows'));
$this->set_env('locale', $_SESSION['language']);
// add cookie info
$this->set_env('cookie_domain', ini_get('session.cookie_domain'));
$this->set_env('cookie_path', ini_get('session.cookie_path'));
$this->set_env('cookie_secure', filter_var(ini_get('session.cookie_secure'), FILTER_VALIDATE_BOOLEAN));
// load the correct skin (in case user-defined)
$skin = $this->config->get('skin');
$this->set_skin($skin);
$this->set_env('skin', $skin);
$this->set_assets_path($this->config->get('assets_path'), $this->config->get('assets_dir'));
if (!empty($_REQUEST['_extwin']))
$this->set_env('extwin', 1);
if ($this->framed || $framed)
$this->set_env('framed', 1);
$lic = <<add_script($lic, 'head_top');
$this->add_script('var '.self::JS_OBJECT_NAME.' = new rcube_webmail();', 'head_top');
// don't wait for page onload. Call init at the bottom of the page (delayed)
$this->add_script(self::JS_OBJECT_NAME.'.init();', 'docready');
$this->scripts_path = 'program/js/';
$this->include_script('jquery.min.js');
$this->include_script('common.js');
$this->include_script('app.js');
// register common UI objects
$this->add_handlers(array(
'loginform' => array($this, 'login_form'),
'preloader' => array($this, 'preloader'),
'username' => array($this, 'current_username'),
'message' => array($this, 'message_container'),
'charsetselector' => array($this, 'charset_selector'),
'aboutcontent' => array($this, 'about_content'),
));
}
/**
* Set environment variable
*
* @param string Property name
* @param mixed Property value
* @param boolean True if this property should be added to client environment
*/
public function set_env($name, $value, $addtojs = true)
{
$this->env[$name] = $value;
if ($addtojs || isset($this->js_env[$name])) {
$this->js_env[$name] = $value;
}
}
/**
* Parse and set assets path
*
* @param string Assets path (relative or absolute URL)
*/
public function set_assets_path($path, $fs_dir = null)
{
if (empty($path)) {
return;
}
$path = rtrim($path, '/') . '/';
// handle relative assets path
if (!preg_match('|^https?://|', $path) && $path[0] != '/') {
// save the path to search for asset files later
$this->assets_dir = $path;
$base = preg_replace('/[?#&].*$/', '', $_SERVER['REQUEST_URI']);
$base = rtrim($base, '/');
// remove url token if exists
if ($len = intval($this->config->get('use_secure_urls'))) {
$_base = explode('/', $base);
$last = count($_base) - 1;
$length = $len > 1 ? $len : 16; // as in rcube::get_secure_url_token()
// we can't use real token here because it
// does not exists in unauthenticated state,
// hope this will not produce false-positive matches
if ($last > -1 && preg_match('/^[a-f0-9]{' . $length . '}$/', $_base[$last])) {
$path = '../' . $path;
}
}
}
// set filesystem path for assets
if ($fs_dir) {
if ($fs_dir[0] != '/') {
$fs_dir = realpath(RCUBE_INSTALL_PATH . $fs_dir);
}
// ensure the path ends with a slash
$this->assets_dir = rtrim($fs_dir, '/') . '/';
}
$this->assets_path = $path;
$this->set_env('assets_path', $path);
}
/**
* Getter for the current page title
*
* @return string The page title
*/
protected function get_pagetitle()
{
if (!empty($this->pagetitle)) {
$title = $this->pagetitle;
}
else if ($this->env['task'] == 'login') {
$title = $this->app->gettext(array(
'name' => 'welcome',
'vars' => array('product' => $this->config->get('product_name')
)));
}
else {
$title = ucfirst($this->env['task']);
}
return $title;
}
/**
* Set skin
*/
public function set_skin($skin)
{
// Sanity check to prevent from path traversal vulnerability (#1490620)
if (strpos($skin, '/') !== false || strpos($skin, "\\") !== false) {
rcube::raise_error(array(
'file' => __FILE__,
'line' => __LINE__,
'message' => 'Invalid skin name'
), true, false);
return false;
}
$valid = false;
$path = RCUBE_INSTALL_PATH . 'skins/';
if (!empty($skin) && is_dir($path . $skin) && is_readable($path . $skin)) {
$skin_path = 'skins/' . $skin;
$valid = true;
}
else {
$skin_path = $this->config->get('skin_path');
if (!$skin_path) {
$skin_path = 'skins/' . rcube_config::DEFAULT_SKIN;
}
$valid = !$skin;
}
$skin_path = rtrim($skin_path, '/');
$this->config->set('skin_path', $skin_path);
$this->base_path = $skin_path;
// register skin path(s)
$this->skin_paths = array();
$this->load_skin($skin_path);
return $valid;
}
/**
* Helper method to recursively read skin meta files and register search paths
*/
private function load_skin($skin_path)
{
$this->skin_paths[] = $skin_path;
// read meta file and check for dependecies
$meta = @file_get_contents(RCUBE_INSTALL_PATH . $skin_path . '/meta.json');
$meta = @json_decode($meta, true);
$meta['path'] = $skin_path;
$path_elements = explode('/', $skin_path);
$skin_id = end($path_elements);
if (!$meta['name']) {
$meta['name'] = $skin_id;
}
$this->skins[$skin_id] = $meta;
if ($meta['extends']) {
$path = RCUBE_INSTALL_PATH . 'skins/';
if (is_dir($path . $meta['extends']) && is_readable($path . $meta['extends'])) {
$this->load_skin('skins/' . $meta['extends']);
}
}
}
/**
* Check if a specific template exists
*
* @param string Template name
* @return boolean True if template exists
*/
public function template_exists($name)
{
foreach ($this->skin_paths as $skin_path) {
$filename = RCUBE_INSTALL_PATH . $skin_path . '/templates/' . $name . '.html';
if ((is_file($filename) && is_readable($filename))
|| ($this->deprecated_templates[$name] && $this->template_exists($this->deprecated_templates[$name]))
) {
return true;
}
}
return false;
}
/**
* Find the given file in the current skin path stack
*
* @param string File name/path to resolve (starting with /)
* @param string Reference to the base path of the matching skin
* @param string Additional path to search in
*
* @return mixed Relative path to the requested file or False if not found
*/
public function get_skin_file($file, &$skin_path = null, $add_path = null)
{
$skin_paths = $this->skin_paths;
if ($add_path) {
array_unshift($skin_paths, $add_path);
}
foreach ($skin_paths as $skin_path) {
$path = realpath(RCUBE_INSTALL_PATH . $skin_path . $file);
if ($path && is_file($path)) {
return $skin_path . $file;
}
if ($this->assets_dir != RCUBE_INSTALL_PATH) {
$path = realpath($this->assets_dir . $skin_path . $file);
if ($path && is_file($path)) {
return $skin_path . $file;
}
}
}
return false;
}
/**
* Register a GUI object to the client script
*
* @param string Object name
* @param string Object ID
* @return void
*/
public function add_gui_object($obj, $id)
{
$this->add_script(self::JS_OBJECT_NAME.".gui_object('$obj', '$id');");
}
/**
* Call a client method
*
* @param string Method to call
* @param ... Additional arguments
*/
public function command()
{
$cmd = func_get_args();
if (strpos($cmd[0], 'plugin.') !== false)
$this->js_commands[] = array('triggerEvent', $cmd[0], $cmd[1]);
else
$this->js_commands[] = $cmd;
}
/**
* Add a localized label to the client environment
*/
public function add_label()
{
$args = func_get_args();
if (count($args) == 1 && is_array($args[0]))
$args = $args[0];
foreach ($args as $name) {
$this->js_labels[$name] = $this->app->gettext($name);
}
}
/**
* Invoke display_message command
*
* @param string $message Message to display
* @param string $type Message type [notice|confirm|error]
* @param array $vars Key-value pairs to be replaced in localized text
* @param boolean $override Override last set message
* @param int $timeout Message display time in seconds
* @uses self::command()
*/
public function show_message($message, $type='notice', $vars=null, $override=true, $timeout=0)
{
if ($override || !$this->message) {
if ($this->app->text_exists($message)) {
if (!empty($vars))
$vars = array_map(array('rcube','Q'), $vars);
$msgtext = $this->app->gettext(array('name' => $message, 'vars' => $vars));
}
else
$msgtext = $message;
$this->message = $message;
$this->command('display_message', $msgtext, $type, $timeout * 1000);
}
}
/**
* Delete all stored env variables and commands
*
* @param bool $all Reset all env variables (including internal)
*/
public function reset($all = false)
{
$framed = $this->framed;
$env = $all ? null : array_intersect_key($this->env, array('extwin'=>1, 'framed'=>1));
parent::reset();
// let some env variables survive
$this->env = $this->js_env = $env;
$this->framed = $framed || $this->env['framed'];
$this->js_labels = array();
$this->js_commands = array();
$this->script_files = array();
$this->scripts = array();
$this->header = '';
$this->footer = '';
$this->body = '';
// load defaults
if (!$all) {
$this->__construct();
}
}
/**
* Redirect to a certain url
*
* @param mixed $p Either a string with the action or url parameters as key-value pairs
* @param int $delay Delay in seconds
* @param bool $secure Redirect to secure location (see rcmail::url())
*/
public function redirect($p = array(), $delay = 1, $secure = false)
{
if ($this->env['extwin'])
$p['extwin'] = 1;
$location = $this->app->url($p, false, false, $secure);
header('Location: ' . $location);
exit;
}
/**
* Send the request output to the client.
* This will either parse a skin tempalte or send an AJAX response
*
* @param string Template name
* @param boolean True if script should terminate (default)
*/
public function send($templ = null, $exit = true)
{
if ($templ != 'iframe') {
// prevent from endless loops
if ($exit != 'recur' && $this->app->plugins->is_processing('render_page')) {
rcube::raise_error(array('code' => 505, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => 'Recursion alert: ignoring output->send()'), true, false);
return;
}
$this->parse($templ, false);
}
else {
$this->framed = true;
$this->write();
}
// set output asap
ob_flush();
flush();
if ($exit) {
exit;
}
}
/**
* Process template and write to stdOut
*
* @param string $template HTML template content
*/
public function write($template = '')
{
if (!empty($this->script_files)) {
$this->set_env('request_token', $this->app->get_request_token());
}
$commands = $this->get_js_commands($framed);
// if all js commands go to parent window we can ignore all
// script files and skip rcube_webmail initialization (#1489792)
if ($framed) {
$this->scripts = array();
$this->script_files = array();
$this->header = '';
$this->footer = '';
}
// write all javascript commands
$this->add_script($commands, 'head_top');
// allow (legal) iframe content to be loaded
$iframe = $this->framed || $this->env['framed'];
if (!headers_sent() && $iframe && $this->app->config->get('x_frame_options', 'sameorigin') === 'deny') {
header('X-Frame-Options: sameorigin', true);
}
// call super method
$this->_write($template, $this->config->get('skin_path'));
}
/**
* Parse a specific skin template and deliver to stdout (or return)
*
* @param string Template name
* @param boolean Exit script
* @param boolean Don't write to stdout, return parsed content instead
*
* @link http://php.net/manual/en/function.exit.php
*/
function parse($name = 'main', $exit = true, $write = true)
{
$plugin = false;
$realname = $name;
$plugin_skin_paths = array();
$this->template_name = $realname;
$temp = explode('.', $name, 2);
if (count($temp) > 1) {
$plugin = $temp[0];
$name = $temp[1];
$skin_dir = $plugin . '/skins/' . $this->config->get('skin');
// apply skin search escalation list to plugin directory
foreach ($this->skin_paths as $skin_path) {
$plugin_skin_paths[] = $this->app->plugins->url . $plugin . '/' . $skin_path;
}
// add fallback to default skin
if (is_dir($this->app->plugins->dir . $plugin . '/skins/default')) {
$skin_dir = $plugin . '/skins/default';
$plugin_skin_paths[] = $this->app->plugins->url . $skin_dir;
}
// prepend plugin skin paths to search list
$this->skin_paths = array_merge($plugin_skin_paths, $this->skin_paths);
}
// find skin template
$path = false;
foreach ($this->skin_paths as $skin_path) {
$path = RCUBE_INSTALL_PATH . "$skin_path/templates/$name.html";
// fallback to deprecated template names
if (!is_readable($path) && $this->deprecated_templates[$realname]) {
$path = RCUBE_INSTALL_PATH . "$skin_path/templates/" . $this->deprecated_templates[$realname] . ".html";
if (is_readable($path)) {
rcube::raise_error(array(
'code' => 502, 'type' => 'php',
'file' => __FILE__, 'line' => __LINE__,
'message' => "Using deprecated template '" . $this->deprecated_templates[$realname]
. "' in $skin_path/templates. Please rename to '$realname'"),
true, false);
}
}
if (is_readable($path)) {
$this->config->set('skin_path', $skin_path);
$this->base_path = preg_replace('!plugins/\w+/!', '', $skin_path); // set base_path to core skin directory (not plugin's skin)
$skin_dir = preg_replace('!^plugins/!', '', $skin_path);
break;
}
else {
$path = false;
}
}
// read template file
if (!$path || ($templ = @file_get_contents($path)) === false) {
rcube::raise_error(array(
'code' => 404,
'type' => 'php',
'line' => __LINE__,
'file' => __FILE__,
'message' => 'Error loading template for '.$realname
), true, $write);
$this->skin_paths = array_slice($this->skin_paths, count($plugin_skin_paths));
return false;
}
// replace all path references to plugins/... with the configured plugins dir
// and /this/ to the current plugin skin directory
if ($plugin) {
$templ = preg_replace(array('/\bplugins\//', '/(["\']?)\/this\//'), array($this->app->plugins->url, '\\1'.$this->app->plugins->url.$skin_dir.'/'), $templ);
}
// parse for specialtags
$output = $this->parse_conditions($templ);
$output = $this->parse_xml($output);
// trigger generic hook where plugins can put additional content to the page
$hook = $this->app->plugins->exec_hook("render_page", array('template' => $realname, 'content' => $output));
// save some memory
$output = $hook['content'];
unset($hook['content']);
// make sure all
*
* @param string $str HTML code
*/
public function add_footer($str)
{
$this->footer .= "\n" . $str;
}
/**
* Process template and write to stdOut
*
* @param string HTML template
* @param string Base for absolute paths
*/
public function _write($templ = '', $base_path = '')
{
$output = trim($templ);
if (empty($output)) {
$output = html::doctype('html5') . "\n" . $this->default_template;
$is_empty = true;
}
// set default page title
if (empty($this->pagetitle)) {
$this->pagetitle = 'Roundcube Mail';
}
// declare page language
if (!empty($_SESSION['language'])) {
$lang = substr($_SESSION['language'], 0, 2);
$output = preg_replace('/pagetitle);
$page_header = '';
$page_footer = '';
// include meta tag with charset
if (!empty($this->charset)) {
if (!headers_sent()) {
header('Content-Type: text/html; charset=' . $this->charset);
}
$page_header = '