Prevent from endless loops in render_page hook

thomascube

2009-07-13 a366a323b5d78f453b4988be576e6520957c9488

 program/include/rcube_template.php

@@ -287,6 +287,11 @@
    public function send($templ = null, $exit = true)
    {
        if ($templ != 'iframe') {
            // prevent from endless loops
            if ($this->app->plugins->is_processing('render_page')) {
                raise_error(array('code' => 505, 'type' => 'php', 'message' => 'Recursion alert: ignoring output->send()'), true, false);
                return;
            }
            $this->parse($templ, false);
        }
        else {
@@ -294,6 +299,10 @@
            $this->write();
        }

        // set output asap
        ob_flush();
        flush();
        
        if ($exit) {
            exit;
        }
@@ -371,15 +380,19 @@
        // 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' => $name, 'content' => $output));

        // add debug console
        if ($this->config['debug_level'] & 8) {
            $this->add_footer('<div style="position:absolute;top:5px;left:5px;width:405px;padding:2px;background:white;opacity:0.8;_filter:alpha(opacity=80);-ms-filter:\"progid:DXImageTransform.Microsoft.Alpha(Opacity=80)\";z-index:9000">
            $this->add_footer('<div id="console" style="position:absolute;top:5px;left:5px;width:405px;padding:2px;background:white;z-index:9000;">
                <a href="#toggle" onclick="con=document.getElementById(\'dbgconsole\');con.style.display=(con.style.display==\'none\'?\'block\':\'none\');return false">console</a>
                <form action="/" name="debugform" style="display:inline"><textarea name="console" id="dbgconsole" rows="20" cols="40" wrap="off" style="display:none;width:400px;border:none;font-size:x-small" spellcheck="false"></textarea></form></div>'
            );
        }
        $output = $this->parse_with_globals($output);
        
        $output = $this->parse_with_globals($hook['content']);
        $this->write(trim($output));
        if ($exit) {
            exit;
@@ -435,6 +448,7 @@
     */
    private function parse_with_globals($input)
    {
        $GLOBALS['__version'] = Q(RCMAIL_VERSION);
        $GLOBALS['__comm_path'] = Q($this->app->comm_path);
        return preg_replace('/\$(__[a-z0-9_\-]+)/e', '$GLOBALS["\\1"]', $input);
    }
@@ -968,7 +982,7 @@
        
        // save original url
        $url = get_input_value('_url', RCUBE_INPUT_POST);
        if (empty($url) && !preg_match('/_action=logout/', $_SERVER['QUERY_STRING']))
        if (empty($url) && !preg_match('/_(task|action)=logout/', $_SERVER['QUERY_STRING']))
            $url = $_SERVER['QUERY_STRING'];

        $input_user   = new html_inputfield(array('name' => '_user', 'id' => 'rcmloginuser', 'size' => 30) + $attrib);