From 030db5b6c0489158b5a4cf1ab6d2542db0519de8 Mon Sep 17 00:00:00 2001
From: thomascube <thomas@roundcube.net>
Date: Thu, 18 Feb 2010 13:01:31 -0500
Subject: [PATCH] Better regex for template expressions + fix indentation

---
 program/include/rcube_template.php |  178 +++++++++++++++++++++++++++++++++++++++--------------------
 1 files changed, 117 insertions(+), 61 deletions(-)

diff --git a/program/include/rcube_template.php b/program/include/rcube_template.php
index f6718e3..5bd9136 100755
--- a/program/include/rcube_template.php
+++ b/program/include/rcube_template.php
@@ -59,6 +59,7 @@
         
         //$this->framed = $framed;
         $this->set_env('task', $task);
+        $this->set_env('request_token', $this->app->get_request_token());
 
         // load the correct skin (in case user-defined)
         $this->set_skin($this->config['skin']);
@@ -72,7 +73,7 @@
         $this->add_script($javascript, 'head_top');
         $this->add_script($javascript_foot, 'foot');
         $this->scripts_path = 'program/js/';
-        $this->include_script('jquery-1.3.min.js');
+        $this->include_script('jquery-1.4.min.js');
         $this->include_script('common.js');
         $this->include_script('app.js');
 
@@ -201,7 +202,9 @@
      */
     public function command()
     {
-        $this->js_commands[] = func_get_args();
+        $cmd = func_get_args();
+        if (strpos($cmd[0], 'plugin.') === false)
+          $this->js_commands[] = $cmd;
     }
 
 
@@ -285,6 +288,13 @@
     public function send($templ = null, $exit = true)
     {
         if ($templ != 'iframe') {
+            // prevent from endless loops
+            if ($exit != 'recur' && $this->app->plugins->is_processing('render_page')) {
+                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 {
@@ -292,6 +302,10 @@
             $this->write();
         }
 
+        // set output asap
+        ob_flush();
+        flush();
+        
         if ($exit) {
             exit;
         }
@@ -314,6 +328,10 @@
         $js = $this->framed ? "if(window.parent) {\n" : '';
         $js .= $this->get_js_commands() . ($this->framed ? ' }' : '');
         $this->add_script($js, 'head_top');
+        
+        // make sure all <form> tags have a valid request token
+        $template = preg_replace_callback('/<form\s+([^>]+)>/Ui', array($this, 'alter_form_tag'), $template);
+        $this->footer = preg_replace_callback('/<form\s+([^>]+)>/Ui', array($this, 'alter_form_tag'), $this->footer);
 
         // call super method
         parent::write($template, $this->config['skin_path']);
@@ -338,9 +356,12 @@
         if (count($temp) > 1) {
             $plugin = $temp[0];
             $name = $temp[1];
-            $skin_path = $this->config['plugins_dir'] . '/' . $temp[0] . '/skins/' . $this->config['skin'];
-            if (!is_dir($skin_path))  // fallback to default skin
-                $skin_path = $this->config['plugins_dir'] . '/' . $temp[0] . '/skins/default';
+            $skin_dir = $plugin . '/skins/' . $this->config['skin'];
+            $skin_path = $this->app->plugins->dir . $skin_dir;
+            if (!is_dir($skin_path)) {  // fallback to default skin
+                $skin_dir = $plugin . '/skins/default';
+                $skin_path = $this->app->plugins->dir . $skin_dir;
+            }
         }
         
         $path = "$skin_path/templates/$name.html";
@@ -360,21 +381,25 @@
         // replace all path references to plugins/... with the configured plugins dir
         // and /this/ to the current plugin skin directory
         if ($plugin) {
-            $templ = preg_replace(array('/\bplugins\//', '/(["\']?)\/this\//'), array($this->config['plugins_dir'].'/', "\\1$skin_path/"), $templ);
+            $templ = preg_replace(array('/\bplugins\//', '/(["\']?)\/this\//'), array($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' => $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);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 ($exit) {
             exit;
@@ -430,8 +455,18 @@
      */
     private function parse_with_globals($input)
     {
+        $GLOBALS['__version'] = Q(RCMAIL_VERSION);
         $GLOBALS['__comm_path'] = Q($this->app->comm_path);
-        return preg_replace('/\$(__[a-z0-9_\-]+)/e', '$GLOBALS["\\1"]', $input);
+        return preg_replace_callback('/\$(__[a-z0-9_\-]+)/',
+	    array($this, 'globals_callback'), $input);
+    }
+
+    /**
+     * Callback funtion for preg_replace_callback() in parse_with_globals()
+     */
+    private function globals_callback($matches)
+    {
+        return $GLOBALS[$matches[1]];
     }
 
     /**
@@ -495,7 +530,24 @@
      */
     private function check_condition($condition)
     {
-            return eval("return (".$this->parse_expression($condition).");");
+        return eval("return (".$this->parse_expression($condition).");");
+    }
+    
+    
+    /**
+     *
+     */
+    private function alter_form_tag($matches)
+    {
+        $out = $matches[0];
+        $attrib  = parse_attrib_string($matches[1]);
+      
+        if (strtolower($attrib['method']) == 'post') {
+            $hidden = new html_hiddenfield(array('name' => '_token', 'value' => $this->app->get_request_token()));
+            $out .= "\n" . $hidden->show();
+        }
+      
+        return $out;
     }
 
 
@@ -503,7 +555,7 @@
      * Parses expression and replaces variables
      *
      * @param  string Expression statement
-     * @return string Expression statement
+     * @return string Expression value
      */
     private function parse_expression($expression)
     {
@@ -511,16 +563,18 @@
             array(
                 '/session:([a-z0-9_]+)/i',
                 '/config:([a-z0-9_]+)(:([a-z0-9_]+))?/i',
-                '/env:([a-z0-9_]+)/i',
-                '/request:([a-z0-9_]+)/i',
-                '/cookie:([a-z0-9_]+)/i'
+                '/env:([a-z0-9_-]+)/i',
+                '/request:([a-z0-9_-]+)/i',
+                '/cookie:([a-z0-9_-]+)/i',
+                '/browser:([a-z0-9_]+)/i'
             ),
             array(
                 "\$_SESSION['\\1']",
                 "\$this->app->config->get('\\1',get_boolean('\\3'))",
                 "\$this->env['\\1']",
                 "get_input_value('\\1', RCUBE_INPUT_GPC)",
-                "\$_COOKIE['\\1']"
+                "\$_COOKIE['\\1']",
+                "\$this->browser->{'\\1'}"
             ),
             $expression);
     }
@@ -584,6 +638,7 @@
                     else {
                       $incl = file_get_contents($path);
                     }
+                    $incl = $this->parse_conditions($incl);
                     return $this->parse_xml($incl);
                 }
                 break;
@@ -672,6 +727,9 @@
                         break;
                     case 'cookie':
                         $value = htmlspecialchars($_COOKIE[$name]);
+                        break;
+                    case 'browser':
+                        $value = $this->browser->{$name};
                         break;
                 }
 
@@ -762,10 +820,10 @@
         if ($attrib['alt']) {
             $attrib['alt'] = Q(rcube_label($attrib['alt'], $attrib['domain']));
         }
+
         // set title to alt attribute for IE browsers
-        if ($this->browser->ie && $attrib['title'] && !$attrib['alt']) {
-            $attrib['alt'] = $attrib['title'];
-            unset($attrib['title']);
+        if ($this->browser->ie && !$attrib['title'] && $attrib['alt']) {
+            $attrib['title'] = $attrib['alt'];
         }
 
         // add empty alt attribute for XHTML compatibility
@@ -794,7 +852,7 @@
                 $attrib['href'] = rcmail_url($attrib['command']);
             }
             else if ($attrib['command'] == 'permaurl' && !empty($this->env['permaurl'])) {
-                $attrib['href'] = $this->env['permaurl'];
+              $attrib['href'] = $this->env['permaurl'];
             }
         }
 
@@ -810,35 +868,6 @@
                 $attrib['prop']
             );
         }
-        if ($command && $attrib['imageover']) {
-            $attrib['onmouseover'] = sprintf(
-                "return %s.button_over('%s','%s')",
-                JS_OBJECT_NAME,
-                $command,
-                $attrib['id']
-            );
-            $attrib['onmouseout'] = sprintf(
-                "return %s.button_out('%s','%s')",
-                JS_OBJECT_NAME,
-                $command,
-                $attrib['id']
-            );
-        }
-
-        if ($command && $attrib['imagesel']) {
-            $attrib['onmousedown'] = sprintf(
-                "return %s.button_sel('%s','%s')",
-                JS_OBJECT_NAME,
-                $command,
-                $attrib['id']
-            );
-            $attrib['onmouseup'] = sprintf(
-                "return %s.button_out('%s','%s')",
-                JS_OBJECT_NAME,
-                $command,
-                $attrib['id']
-            );
-        }
 
         $out = '';
 
@@ -847,19 +876,18 @@
             $attrib_str = html::attrib_string(
                 $attrib,
                 array(
-                    'style', 'class', 'id', 'width',
-                    'height', 'border', 'hspace',
-                    'vspace', 'align', 'alt', 'tabindex'
+                    'style', 'class', 'id', 'width', 'height', 'border', 'hspace',
+                    'vspace', 'align', 'alt', 'tabindex', 'title'
                 )
             );
             $btn_content = sprintf('<img src="%s"%s />', $this->abs_url($attrib['image']), $attrib_str);
             if ($attrib['label']) {
                 $btn_content .= ' '.$attrib['label'];
             }
-            $link_attrib = array('href', 'onclick', 'onmouseover', 'onmouseout', 'onmousedown', 'onmouseup', 'title', 'target');
+            $link_attrib = array('href', 'onclick', 'onmouseover', 'onmouseout', 'onmousedown', 'onmouseup', 'target');
         }
         else if ($attrib['type']=='link') {
-            $btn_content = $attrib['label'] ? $attrib['label'] : $attrib['command'];
+            $btn_content = isset($attrib['content']) ? $attrib['content'] : ($attrib['label'] ? $attrib['label'] : $attrib['command']);
             $link_attrib = array('href', 'onclick', 'title', 'id', 'class', 'style', 'tabindex', 'target');
         }
         else if ($attrib['type']=='input') {
@@ -872,8 +900,7 @@
             $attrib_str = html::attrib_string(
                 $attrib,
                 array(
-                    'type', 'value', 'onclick',
-                    'id', 'class', 'style', 'tabindex'
+                    'type', 'value', 'onclick', 'id', 'class', 'style', 'tabindex'
                 )
             );
             $out = sprintf('<input%s disabled="disabled" />', $attrib_str);
@@ -900,7 +927,7 @@
      */
     public function form_tag($attrib, $content = null)
     {
-      if ($this->framed) {
+      if ($this->framed || !empty($_REQUEST['_framed'])) {
         $hiddenfield = new html_hiddenfield(array('name' => '_framed', 'value' => '1'));
         $hidden = $hiddenfield->show();
       }
@@ -910,7 +937,36 @@
       
       return html::tag('form',
         $attrib + array('action' => "./", 'method' => "get"),
-        $hidden . $content);
+        $hidden . $content,
+        array('id','class','style','name','method','action','enctype','onsubmit'));
+    }
+    
+    
+    /**
+     * Build a form tag with a unique request token
+     *
+     * @param array Named tag parameters including 'action' and 'task' values which will be put into hidden fields
+     * @param string Form content
+     * @return string HTML code for the form
+     */
+    public function request_form($attrib, $content = '')
+    {
+        $hidden = new html_hiddenfield();
+        if ($attrib['task']) {
+            $hidden->add(array('name' => '_task', 'value' => $attrib['task']));
+        }
+        if ($attrib['action']) {
+            $hidden->add(array('name' => '_action', 'value' => $attrib['action']));
+        }
+      
+        unset($attrib['task'], $attrib['request']);
+        $attrib['action'] = './';
+      
+        // we already have a <form> tag
+        if ($attrib['form'])
+            return $hidden->show() . $content;
+        else
+            return $this->form_tag($attrib, $hidden->show() . $content);
     }
 
 
@@ -957,11 +1013,11 @@
         
         // 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);
-        $input_pass   = new html_passwordfield(array('name' => '_pass', 'id' => 'rcmloginpwd', 'size' => 30) + $attrib);
+        $input_user   = new html_inputfield(array('name' => '_user', 'id' => 'rcmloginuser') + $attrib);
+        $input_pass   = new html_passwordfield(array('name' => '_pass', 'id' => 'rcmloginpwd') + $attrib);
         $input_action = new html_hiddenfield(array('name' => '_action', 'value' => 'login'));
         $input_tzone  = new html_hiddenfield(array('name' => '_timezone', 'id' => 'rcmlogintz', 'value' => '_default_'));
         $input_url    = new html_hiddenfield(array('name' => '_url', 'id' => 'rcmloginurl', 'value' => $url));
@@ -981,7 +1037,7 @@
             }
         }
         else if (empty($default_host)) {
-            $input_host = new html_inputfield(array('name' => '_host', 'id' => 'rcmloginhost', 'size' => 30));
+            $input_host = new html_inputfield(array('name' => '_host', 'id' => 'rcmloginhost') + $attrib);
         }
 
         $form_name  = !empty($attrib['form']) ? $attrib['form'] : 'form';

--
Gitblit v1.9.1