From 4daaa09438bc05f9d5d6cf339cc0b60b511057e9 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Sun, 06 Oct 2013 09:02:25 -0400
Subject: [PATCH] Move PEAR libs from plugins into main Roundcube lib directory, list them as dependencies in INSTALL file (#1489182)

---
 program/include/rcmail_output_html.php |  193 +++++++++++++++++++++++++----------------------
 1 files changed, 102 insertions(+), 91 deletions(-)

diff --git a/program/include/rcmail_output_html.php b/program/include/rcmail_output_html.php
index 76342c2..7cab372 100644
--- a/program/include/rcmail_output_html.php
+++ b/program/include/rcmail_output_html.php
@@ -67,11 +67,12 @@
         //$this->framed = $framed;
         $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'));
 
         // 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', ini_get('session.cookie_secure'));
+        $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');
@@ -80,6 +81,8 @@
 
         if (!empty($_REQUEST['_extwin']))
           $this->set_env('extwin', 1);
+        if ($this->framed || !empty($_REQUEST['_framed']))
+          $this->set_env('framed', 1);
 
         // add common javascripts
         $this->add_script('var '.self::JS_OBJECT_NAME.' = new rcube_webmail();', 'head_top');
@@ -103,7 +106,6 @@
         ));
     }
 
-
     /**
      * Set environment variable
      *
@@ -118,7 +120,6 @@
             $this->js_env[$name] = $value;
         }
     }
-
 
     /**
      * Getter for the current page title
@@ -143,17 +144,17 @@
         return $title;
     }
 
-
     /**
      * Set skin
      */
     public function set_skin($skin)
     {
         $valid = false;
+        $path  = RCUBE_INSTALL_PATH . 'skins/';
 
-        if (!empty($skin) && is_dir('skins/'.$skin) && is_readable('skins/'.$skin)) {
-            $skin_path = 'skins/'.$skin;
-            $valid = true;
+        if (!empty($skin) && is_dir($path . $skin) && is_readable($path . $skin)) {
+            $skin_path = 'skins/' . $skin;
+            $valid     = true;
         }
         else {
             $skin_path = $this->config->get('skin_path');
@@ -164,6 +165,7 @@
         }
 
         $this->config->set('skin_path', $skin_path);
+        $this->base_path = $skin_path;
 
         // register skin path(s)
         $this->skin_paths = array();
@@ -180,12 +182,15 @@
         $this->skin_paths[] = $skin_path;
 
         // read meta file and check for dependecies
-        $meta = @json_decode(@file_get_contents($skin_path.'/meta.json'), true);
-        if ($meta['extends'] && is_dir('skins/' . $meta['extends'])) {
-            $this->load_skin('skins/' . $meta['extends']);
+        $meta = @file_get_contents(RCUBE_INSTALL_PATH . $skin_path . '/meta.json');
+        $meta = @json_decode($meta, true);
+        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
@@ -195,16 +200,17 @@
      */
     public function template_exists($name)
     {
-        $found = false;
         foreach ($this->skin_paths as $skin_path) {
-            $filename = $skin_path . '/templates/' . $name . '.html';
-            $found = (is_file($filename) && is_readable($filename)) || ($this->deprecated_templates[$name] && $this->template_exists($this->deprecated_templates[$name]));
-            if ($found)
-                break;
+            $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 $found;
-    }
 
+        return false;
+    }
 
     /**
      * Find the given file in the current skin path stack
@@ -214,7 +220,7 @@
      * @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, $add_path = null)
+    public function get_skin_file($file, &$skin_path = null, $add_path = null)
     {
         $skin_paths = $this->skin_paths;
         if ($add_path)
@@ -230,7 +236,6 @@
         return false;
     }
 
-
     /**
      * Register a GUI object to the client script
      *
@@ -242,7 +247,6 @@
     {
         $this->add_script(self::JS_OBJECT_NAME.".gui_object('$obj', '$id');");
     }
-
 
     /**
      * Call a client method
@@ -259,7 +263,6 @@
           $this->js_commands[] = $cmd;
     }
 
-
     /**
      * Add a localized label to the client environment
      */
@@ -273,7 +276,6 @@
             $this->js_labels[$name] = $this->app->gettext($name);
         }
     }
-
 
     /**
      * Invoke display_message command
@@ -301,23 +303,27 @@
         }
     }
 
-
     /**
      * Delete all stored env variables and commands
+     *
+     * @param bool $all Reset all env variables (including internal)
      */
-    public function reset()
+    public function reset($all = false)
     {
+        $env = $all ? null : array_intersect_key($this->env, array('extwin'=>1, 'framed'=>1));
+
         parent::reset();
-        $this->js_env = array();
-        $this->js_labels = array();
-        $this->js_commands = array();
+
+        // let some env variables survive
+        $this->env = $this->js_env = $env;
+        $this->js_labels    = array();
+        $this->js_commands  = array();
         $this->script_files = array();
         $this->scripts      = array();
         $this->header       = '';
         $this->footer       = '';
         $this->body         = '';
     }
-
 
     /**
      * Redirect to a certain url
@@ -333,7 +339,6 @@
         header('Location: ' . $location);
         exit;
     }
-
 
     /**
      * Send the request output to the client.
@@ -355,7 +360,7 @@
             $this->parse($templ, false);
         }
         else {
-            $this->framed = $templ == 'iframe' ? true : $this->framed;
+            $this->framed = true;
             $this->write();
         }
 
@@ -368,7 +373,6 @@
         }
     }
 
-
     /**
      * Process template and write to stdOut
      *
@@ -379,7 +383,7 @@
         // unlock interface after iframe load
         $unlock = preg_replace('/[^a-z0-9]/i', '', $_REQUEST['_unlock']);
         if ($this->framed) {
-            array_unshift($this->js_commands, array('set_busy', false, null, $unlock));
+            array_unshift($this->js_commands, array('iframe_loaded', $unlock));
         }
         else if ($unlock) {
             array_unshift($this->js_commands, array('hide_message', $unlock));
@@ -389,9 +393,11 @@
           $this->set_env('request_token', $this->app->get_request_token());
 
         // write all env variables to client
-        $js = $this->framed ? "if(window.parent) {\n" : '';
-        $js .= $this->get_js_commands() . ($this->framed ? ' }' : '');
-        $this->add_script($js, 'head_top');
+        if ($commands = $this->get_js_commands()) {
+            $js = $this->framed ? "if (window.parent) {\n" : '';
+            $js .= $commands . ($this->framed ? ' }' : '');
+            $this->add_script($js, 'head_top');
+        }
 
         // send clickjacking protection headers
         $iframe = $this->framed || !empty($_REQUEST['_framed']);
@@ -401,7 +407,6 @@
         // call super method
         $this->_write($template, $this->config->get('skin_path'));
     }
-
 
     /**
      * Parse a specific skin template and deliver to stdout (or return)
@@ -462,6 +467,7 @@
             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 {
@@ -526,7 +532,6 @@
         }
     }
 
-
     /**
      * Return executable javascript code for all registered commands
      *
@@ -558,7 +563,6 @@
         return $out;
     }
 
-
     /**
      * Make URLs starting with a slash point to skin directory
      *
@@ -577,7 +581,6 @@
         else
             return $str;
     }
-
 
     /**
      * Show error page and terminate script execution
@@ -613,7 +616,6 @@
             array($this, 'globals_callback'), $input);
     }
 
-
     /**
      * Callback funtion for preg_replace_callback() in parse_with_globals()
      */
@@ -621,7 +623,6 @@
     {
         return $GLOBALS[$matches[1]];
     }
-
 
     /**
      * Correct absolute paths in images and other tags
@@ -634,7 +635,6 @@
             array($this, 'file_callback'), $output);
     }
 
-
     /**
      * Callback function for preg_replace_callback in write()
      *
@@ -643,6 +643,7 @@
     protected function file_callback($matches)
     {
         $file = $matches[3];
+        $file = preg_replace('!^/this/!', '/', $file);
 
         // correct absolute paths
         if ($file[0] == '/') {
@@ -659,13 +660,12 @@
         return $matches[1] . '=' . $matches[2] . $file . $matches[4];
     }
 
-
     /**
      * Public wrapper to dipp into template parsing.
      *
      * @param  string $input
      * @return string
-     * @uses   rcube_output_html::parse_xml()
+     * @uses   rcmail_output_html::parse_xml()
      * @since  0.1-rc1
      */
     public function just_parse($input)
@@ -675,7 +675,6 @@
 
         return $input;
     }
-
 
     /**
      * Parse for conditional tags
@@ -714,20 +713,17 @@
         return $input;
     }
 
-
     /**
      * Determines if a given condition is met
      *
-     * @todo   Get rid off eval() once I understand what this does.
      * @todo   Extend this to allow real conditions, not just "set"
      * @param  string Condition statement
      * @return boolean True if condition is met, False if not
      */
     protected function check_condition($condition)
     {
-        return eval("return (".$this->parse_expression($condition).");");
+        return $this->eval_expression($condition);
     }
-
 
     /**
      * Inserts hidden field with CSRF-prevention-token into POST forms
@@ -745,16 +741,16 @@
         return $out;
     }
 
-
     /**
-     * Parses expression and replaces variables
+     * Parse & evaluate a given expression and return its result.
      *
-     * @param  string Expression statement
-     * @return string Expression value
+     * @param string Expression statement
+     *
+     * @return mixed Expression result
      */
-    protected function parse_expression($expression)
+    protected function eval_expression ($expression)
     {
-        return preg_replace(
+        $expression = preg_replace(
             array(
                 '/session:([a-z0-9_]+)/i',
                 '/config:([a-z0-9_]+)(:([a-z0-9_]+))?/i',
@@ -766,16 +762,30 @@
             ),
             array(
                 "\$_SESSION['\\1']",
-                "\$this->app->config->get('\\1',rcube_utils::get_boolean('\\3'))",
-                "\$this->env['\\1']",
+                "\$app->config->get('\\1',rcube_utils::get_boolean('\\3'))",
+                "\$env['\\1']",
                 "rcube_utils::get_input_value('\\1', rcube_utils::INPUT_GPC)",
                 "\$_COOKIE['\\1']",
-                "\$this->browser->{'\\1'}",
+                "\$browser->{'\\1'}",
                 $this->template_name,
             ),
-            $expression);
-    }
+            $expression
+        );
 
+        $fn = create_function('$app,$browser,$env', "return ($expression);");
+        if (!$fn) {
+            rcube::raise_error(array(
+                'code' => 505,
+                'type' => 'php',
+                'file' => __FILE__,
+                'line' => __LINE__,
+                'message' => "Expression parse error on: ($expression)"), true, false);
+
+            return null;
+        }
+
+        return $fn($this->app, $this->browser, $this->env);
+    }
 
     /**
      * Search for special tags in input and replace them
@@ -790,7 +800,6 @@
     {
         return preg_replace_callback('/<roundcube:([-_a-z]+)\s+((?:[^>]|\\\\>)+)(?<!\\\\)>/Ui', array($this, 'xml_command'), $input);
     }
-
 
     /**
      * Callback function for parsing an xml command tag
@@ -826,7 +835,7 @@
             // show a label
             case 'label':
                 if ($attrib['expression'])
-                    $attrib['name'] = eval("return " . $this->parse_expression($attrib['expression']) .";");
+                    $attrib['name'] = $this->eval_expression($attrib['expression']);
 
                 if ($attrib['name'] || $attrib['command']) {
                     // @FIXME: 'noshow' is useless, remove?
@@ -860,6 +869,7 @@
             // include a file
             case 'include':
                 $old_base_path = $this->base_path;
+                if (!empty($attrib['skin_path'])) $attrib['skinpath'] = $attrib['skin_path'];
                 if ($path = $this->get_skin_file($attrib['file'], $skin_path, $attrib['skinpath'])) {
                     $this->base_path = preg_replace('!plugins/\w+/!', '', $skin_path);  // set base_path to core skin directory (not plugin's skin)
                     $path = realpath($path);
@@ -914,8 +924,21 @@
                 }
                 else if ($object == 'logo') {
                     $attrib += array('alt' => $this->xml_command(array('', 'object', 'name="productname"')));
-                    if ($logo = $this->config->get('skin_logo'))
-                        $attrib['src'] = $logo;
+
+                    if ($logo = $this->config->get('skin_logo')) {
+                        if (is_array($logo)) {
+                            if ($template_logo = $logo[$this->template_name]) {
+                                $attrib['src'] = $template_logo;
+                            }
+                            elseif ($template_logo = $logo['*']) {
+                                $attrib['src'] = $template_logo;
+                            }
+                        }
+                        else {
+                            $attrib['src'] = $logo;
+                        }
+                    }
+
                     $content = html::img($attrib);
                 }
                 else if ($object == 'productname') {
@@ -957,8 +980,7 @@
 
             // return code for a specified eval expression
             case 'exp':
-                $value = $this->parse_expression($attrib['expression']);
-                return eval("return html::quote($value);");
+                return html::quote($this->eval_expression($attrib['expression']));
 
             // return variable
             case 'var':
@@ -995,11 +1017,12 @@
                 }
 
                 return html::quote($value);
-                break;
+
+            case 'form':
+                return $this->form_tag($attrib);
         }
         return '';
     }
-
 
     /**
      * Include a specific file and return it's contents
@@ -1017,7 +1040,6 @@
         return $out;
     }
 
-
     /**
      * Create and register a button
      *
@@ -1033,7 +1055,7 @@
         // these commands can be called directly via url
         $a_static_commands = array('compose', 'list', 'preferences', 'folders', 'identities');
 
-        if (!($attrib['command'] || $attrib['name'])) {
+        if (!($attrib['command'] || $attrib['name'] || $attrib['href'])) {
             return '';
         }
 
@@ -1166,9 +1188,12 @@
             $out = sprintf('<a%s>%s</a>', $attrib_str, $btn_content);
         }
 
+        if ($attrib['wrapper']) {
+            $out = html::tag($attrib['wrapper'], null, $out);
+        }
+
         return $out;
     }
-
 
     /**
      * Link an external script file
@@ -1200,7 +1225,6 @@
         $this->script_files[$position][] = $file;
     }
 
-
     /**
      * Add inline javascript code
      *
@@ -1217,7 +1241,6 @@
         }
     }
 
-
     /**
      * Link an external css file
      *
@@ -1227,7 +1250,6 @@
     {
         $this->css_files[] = $file;
     }
-
 
     /**
      * Add HTML code to the page header
@@ -1239,7 +1261,6 @@
         $this->header .= "\n" . $str;
     }
 
-
     /**
      * Add HTML code to the page footer
      * To be added right befor </body>
@@ -1250,7 +1271,6 @@
     {
         $this->footer .= "\n" . $str;
     }
-
 
     /**
      * Process template and write to stdOut
@@ -1376,7 +1396,6 @@
         }
     }
 
-
     /**
      * Returns iframe object, registers some related env variables
      *
@@ -1407,7 +1426,6 @@
 
     /*  ************* common functions delivering gui objects **************  */
 
-
     /**
      * Create a form tag with the necessary hidden fields
      *
@@ -1429,11 +1447,10 @@
         $attrib['noclose'] = true;
 
       return html::tag('form',
-        $attrib + array('action' => "./", 'method' => "get"),
+        $attrib + array('action' => $this->app->comm_path, 'method' => "get"),
         $hidden . $content,
         array('id','class','style','name','method','action','enctype','onsubmit'));
     }
-
 
     /**
      * Build a form tag with a unique request token
@@ -1464,7 +1481,6 @@
         else
             return $this->form_tag($attrib, $hidden->show() . $content);
     }
-
 
     /**
      * GUI object 'username'
@@ -1497,7 +1513,6 @@
         return rcube_utils::idn_to_utf8($username);
     }
 
-
     /**
      * GUI object 'loginform'
      * Returns code for the webmail login form
@@ -1529,9 +1544,9 @@
         $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));
-        $input_user   = new html_inputfield(array('name' => '_user', 'id' => 'rcmloginuser')
+        $input_user   = new html_inputfield(array('name' => '_user', 'id' => 'rcmloginuser', 'required' => 'required')
             + $attrib + $user_attrib);
-        $input_pass   = new html_passwordfield(array('name' => '_pass', 'id' => 'rcmloginpwd')
+        $input_pass   = new html_passwordfield(array('name' => '_pass', 'id' => 'rcmloginpwd', 'required' => 'required')
             + $attrib + $pass_attrib);
         $input_host   = null;
 
@@ -1548,10 +1563,10 @@
                 }
             }
         }
-        else if (is_array($default_host) && ($host = array_pop($default_host))) {
+        else if (is_array($default_host) && ($host = key($default_host)) !== null) {
             $hide_host = true;
             $input_host = new html_hiddenfield(array(
-                'name' => '_host', 'id' => 'rcmloginhost', 'value' => $host) + $attrib);
+                'name' => '_host', 'id' => 'rcmloginhost', 'value' => is_numeric($host) ? $default_host[$host] : $host) + $attrib);
         }
         else if (empty($default_host)) {
             $input_host = new html_inputfield(array('name' => '_host', 'id' => 'rcmloginhost')
@@ -1597,7 +1612,6 @@
         return $out;
     }
 
-
     /**
      * GUI object 'preloader'
      * Loads javascript code for images preloading
@@ -1619,7 +1633,6 @@
                 img.src = images[i];
             }', 'docready');
     }
-
 
     /**
      * GUI object 'searchform'
@@ -1659,7 +1672,6 @@
         return $out;
     }
 
-
     /**
      * Builder for GUI object 'message'
      *
@@ -1676,7 +1688,6 @@
 
         return html::div($attrib, '');
     }
-
 
     /**
      * GUI object 'charsetselector'

--
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