From fba3e1ae0c0f4c1d73f55b9f97674c3ed7e695e0 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Sun, 25 Sep 2016 08:35:18 +0200
Subject: [PATCH 1/4] GnuPG 2.1: Add option to configure gpgconf binary
 location

---
 plugins/enigma/config.inc.php.dist         | 4 ++++
 plugins/enigma/lib/enigma_driver_gnupg.php | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/plugins/enigma/config.inc.php.dist b/plugins/enigma/config.inc.php.dist
index 581ac8534..aa4280f41 100644
--- a/plugins/enigma/config.inc.php.dist
+++ b/plugins/enigma/config.inc.php.dist
@@ -24,6 +24,10 @@ $config['enigma_pgp_binary'] = '';
 // It's used with GnuPG 2.x.
 $config['enigma_pgp_agent'] = '';
 
+// Location of gpgconf binary. By default it will be auto-detected.
+// It's used with GnuPG >= 2.1.
+$config['enigma_pgp_gpgconf'] = '';
+
 // Enables signatures verification feature.
 $config['enigma_signatures'] = true;
 
diff --git a/plugins/enigma/lib/enigma_driver_gnupg.php b/plugins/enigma/lib/enigma_driver_gnupg.php
index 3c02f9f43..267af4fd1 100644
--- a/plugins/enigma/lib/enigma_driver_gnupg.php
+++ b/plugins/enigma/lib/enigma_driver_gnupg.php
@@ -43,6 +43,7 @@ class enigma_driver_gnupg extends enigma_driver
         $debug   = $this->rc->config->get('enigma_debug');
         $binary  = $this->rc->config->get('enigma_pgp_binary');
         $agent   = $this->rc->config->get('enigma_pgp_agent');
+        $gpgconf = $this->rc->config->get('enigma_pgp_gpgconf');
 
         if (!$homedir) {
             return new enigma_error(enigma_error::INTERNAL,
@@ -88,6 +89,9 @@ class enigma_driver_gnupg extends enigma_driver
         if ($agent) {
             $options['agent'] = $agent;
         }
+        if ($gpgconf) {
+            $options['gpgconf'] = $gpgconf;
+        }
 
         // Create Crypt_GPG object
         try {

From 7829da358d80bc0a07b6b86dfc01f52abe7bce2f Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Sun, 25 Sep 2016 13:05:21 +0200
Subject: [PATCH 2/4] GnuPG 2.1: Fix importing newly generated (secret) keys
 using GnuPG 2.1

---
 plugins/enigma/enigma.js                    |  5 +++--
 plugins/enigma/lib/enigma_driver.php        |  7 ++++---
 plugins/enigma/lib/enigma_driver_gnupg.php  | 14 ++++++++++----
 plugins/enigma/lib/enigma_driver_phpssl.php |  2 +-
 plugins/enigma/lib/enigma_engine.php        |  6 +++---
 plugins/enigma/lib/enigma_ui.php            |  3 ++-
 6 files changed, 23 insertions(+), 14 deletions(-)

diff --git a/plugins/enigma/enigma.js b/plugins/enigma/enigma.js
index 081fea21b..3dc3e9a89 100644
--- a/plugins/enigma/enigma.js
+++ b/plugins/enigma/enigma.js
@@ -99,7 +99,7 @@ rcube_webmail.prototype.enigma_key_create_save = function()
         size = $('#key-size').val();
 
     $('[name="identity[]"]:checked').each(function() {
-      users.push(this.value);
+        users.push(this.value);
     });
 
     // validate the form
@@ -124,7 +124,8 @@ rcube_webmail.prototype.enigma_key_create_save = function()
 
         openpgp.generateKeyPair(options).then(function(keypair) {
             // success
-            var post = {_a: 'import', _keys: keypair.privateKeyArmored, _generated: 1};
+            var post = {_a: 'import', _keys: keypair.privateKeyArmored, _generated: 1,
+                _passwd: password, _keyid: keypair.key.primaryKey.fingerprint};
 
             // send request to server
             rcmail.http_post('plugin.enigmakeys', post, lock);
diff --git a/plugins/enigma/lib/enigma_driver.php b/plugins/enigma/lib/enigma_driver.php
index 1ed5fbc3d..eaa4364b4 100644
--- a/plugins/enigma/lib/enigma_driver.php
+++ b/plugins/enigma/lib/enigma_driver.php
@@ -77,12 +77,13 @@ abstract class enigma_driver
     /**
      * Key/Cert file import.
      *
-     * @param string  File name or file content
-     * @param bollean True if first argument is a filename
+     * @param string File name or file content
+     * @param bolean True if first argument is a filename
+     * @param array  Optional key => password map
      *
      * @return mixed Import status array or enigma_error
      */
-    abstract function import($content, $isfile = false);
+    abstract function import($content, $isfile = false, $passwords = array());
 
     /**
      * Key/Cert export.
diff --git a/plugins/enigma/lib/enigma_driver_gnupg.php b/plugins/enigma/lib/enigma_driver_gnupg.php
index 267af4fd1..b6f87946e 100644
--- a/plugins/enigma/lib/enigma_driver_gnupg.php
+++ b/plugins/enigma/lib/enigma_driver_gnupg.php
@@ -201,14 +201,20 @@ class enigma_driver_gnupg extends enigma_driver
     /**
      * Key file import.
      *
-     * @param string  File name or file content
-     * @param bollean True if first argument is a filename
+     * @param string File name or file content
+     * @param bolean True if first argument is a filename
+     * @param array  Optional key => password map
      *
      * @return mixed Import status array or enigma_error
      */
-    public function import($content, $isfile=false)
+    public function import($content, $isfile = false, $passwords = array())
     {
         try {
+            // GnuPG 2.1 requires secret key passphrases on import
+            foreach ($passwords as $keyid => $pass) {
+                $this->gpg->addPassphrase($keyid, $pass);
+            }
+
             if ($isfile)
                 return $this->gpg->importKeyFile($content);
             else
@@ -251,7 +257,7 @@ class enigma_driver_gnupg extends enigma_driver
      *
      * @return mixed Array of enigma_key objects or enigma_error
      */
-    public function list_keys($pattern='')
+    public function list_keys($pattern = '')
     {
         try {
             $keys = $this->gpg->getKeys($pattern);
diff --git a/plugins/enigma/lib/enigma_driver_phpssl.php b/plugins/enigma/lib/enigma_driver_phpssl.php
index 967811da0..8cffc62f0 100644
--- a/plugins/enigma/lib/enigma_driver_phpssl.php
+++ b/plugins/enigma/lib/enigma_driver_phpssl.php
@@ -122,7 +122,7 @@ class enigma_driver_phpssl extends enigma_driver
         return $sig;
     }
 
-    public function import($content, $isfile=false)
+    public function import($content, $isfile = false, $passwords = array())
     {
     }
 
diff --git a/plugins/enigma/lib/enigma_engine.php b/plugins/enigma/lib/enigma_engine.php
index f32367789..f75be3657 100644
--- a/plugins/enigma/lib/enigma_engine.php
+++ b/plugins/enigma/lib/enigma_engine.php
@@ -1113,10 +1113,10 @@ class enigma_engine
      *
      * @return mixed Import status data array or enigma_error
      */
-    function import_key($content, $isfile=false)
+    function import_key($content, $isfile = false)
     {
         $this->load_pgp_driver();
-        $result = $this->pgp_driver->import($content, $isfile);
+        $result = $this->pgp_driver->import($content, $isfile, $this->get_passwords());
 
         if ($result instanceof enigma_error) {
             rcube::raise_error(array(
@@ -1174,7 +1174,7 @@ class enigma_engine
         $passwd = rcube_utils::get_input_value('_passwd', rcube_utils::INPUT_POST, true);
 
         if ($keyid && $passwd !== null && strlen($passwd)) {
-            $this->save_password($keyid, $passwd);
+            $this->save_password(strtoupper($keyid), $passwd);
         }
     }
 
diff --git a/plugins/enigma/lib/enigma_ui.php b/plugins/enigma/lib/enigma_ui.php
index b7fc01161..650ea2166 100644
--- a/plugins/enigma/lib/enigma_ui.php
+++ b/plugins/enigma/lib/enigma_ui.php
@@ -498,8 +498,9 @@ class enigma_ui
     {
         // Import process
         if ($data = rcube_utils::get_input_value('_keys', rcube_utils::INPUT_POST)) {
-            // Import from generation form (ajax request)
             $this->enigma->load_engine();
+            $this->enigma->engine->password_handler();
+
             $result = $this->enigma->engine->import_key($data);
 
             if (is_array($result)) {

From ecefdca21dba3bce4dc597a48bf93b67931f6c94 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Sun, 23 Oct 2016 15:51:28 +0200
Subject: [PATCH 3/4] GnuPG 2.1: Support password input on private key export

---
 plugins/enigma/enigma.js                    | 30 ++++++++++---
 plugins/enigma/enigma.php                   |  2 +
 plugins/enigma/lib/enigma_driver.php        |  3 +-
 plugins/enigma/lib/enigma_driver_gnupg.php  |  8 +++-
 plugins/enigma/lib/enigma_driver_phpssl.php |  2 +-
 plugins/enigma/lib/enigma_engine.php        |  2 +-
 plugins/enigma/lib/enigma_ui.php            | 48 ++++++++++++++++-----
 7 files changed, 74 insertions(+), 21 deletions(-)

diff --git a/plugins/enigma/enigma.js b/plugins/enigma/enigma.js
index 3dc3e9a89..f5ae0e4ac 100644
--- a/plugins/enigma/enigma.js
+++ b/plugins/enigma/enigma.js
@@ -167,12 +167,12 @@ rcube_webmail.prototype.enigma_export = function(selected)
     var priv = false,
         list = this.keys_list,
         keys = selected ? list.get_selection().join(',') : '*',
-        args = {_a: 'export', _keys: keys};
+        args = {_keys: keys};
 
     if (!keys.length)
         return;
 
-    // find out wether selected keys are private
+    // find out whether selected keys are private
     if (keys == '*')
         priv = true;
     else
@@ -192,7 +192,7 @@ rcube_webmail.prototype.enigma_export = function(selected)
             [{
                 text: this.get_label('enigma.onlypubkeys'),
                 click: function(e) {
-                    rcmail.goto_url('plugin.enigmakeys', args, false, true);
+                    rcmail.enigma_export_submit(args);
                     $(this).remove();
                 }
             },
@@ -200,14 +200,32 @@ rcube_webmail.prototype.enigma_export = function(selected)
                 text: this.get_label('enigma.withprivkeys'),
                 click: function(e) {
                     args._priv = 1;
-                    rcmail.goto_url('plugin.enigmakeys', args, false, true);
+                    rcmail.enigma_export_submit(args);
                     $(this).remove();
                 }
             }],
             {width: 400}
         );
 
-    this.goto_url('plugin.enigmakeys', args, false, true);
+    this.enigma_export_submit(args);
+};
+
+// Sumbitting request for key(s) export
+// Done this way to handle password input
+rcube_webmail.prototype.enigma_export_submit = function(data)
+{
+    var id = 'keyexport-' + new Date().getTime(),
+        form = $('<form>').attr({target: id, method: 'post', style: 'display:none',
+            action: '?_action=plugin.enigmakeys&_task=settings&_a=export'}),
+        iframe = $('<iframe>').attr({name: id, style: 'display:none'})
+
+    form.append($('<input>').attr({name: '_token', value: this.env.request_token}));
+    $.each(data, function(i, v) {
+        form.append($('<input>').attr({name: i, value: v}));
+    });
+
+    iframe.appendTo(document.body);
+    form.appendTo(document.body).submit();
 };
 
 // Submit key(s) import form
@@ -521,7 +539,7 @@ rcube_webmail.prototype.enigma_password_submit = function(data)
         return this.enigma_password_compose_submit(data);
     }
 
-    var lock = this.set_busy(true, 'loading'),
+    var lock = data.nolock ? null : this.set_busy(true, 'loading'),
       form = $('<form>').attr({method: 'post', action: data.action || location.href, style: 'display:none'})
         .append($('<input>').attr({type: 'hidden', name: '_keyid', value: data.key}))
         .append($('<input>').attr({type: 'hidden', name: '_passwd', value: data.password}))
diff --git a/plugins/enigma/enigma.php b/plugins/enigma/enigma.php
index 3224baab4..55c3e3f3f 100644
--- a/plugins/enigma/enigma.php
+++ b/plugins/enigma/enigma.php
@@ -85,6 +85,8 @@ class enigma extends rcube_plugin
             if (empty($_REQUEST['_framed']) || strpos($this->rc->action, 'plugin.enigma') === 0) {
                 $this->ui->add_css();
             }
+
+            $this->password_handler();
         }
         else if ($this->rc->task == 'cli') {
             $this->add_hook('user_delete_commit', array($this, 'user_delete'));
diff --git a/plugins/enigma/lib/enigma_driver.php b/plugins/enigma/lib/enigma_driver.php
index eaa4364b4..fa03c2274 100644
--- a/plugins/enigma/lib/enigma_driver.php
+++ b/plugins/enigma/lib/enigma_driver.php
@@ -90,10 +90,11 @@ abstract class enigma_driver
      *
      * @param string Key ID
      * @param bool   Include private key
+     * @param array  Optional key => password map
      *
      * @return mixed Key content or enigma_error
      */
-    abstract function export($key, $with_private = false);
+    abstract function export($key, $with_private = false, $passwords = array());
 
     /**
      * Keys listing.
diff --git a/plugins/enigma/lib/enigma_driver_gnupg.php b/plugins/enigma/lib/enigma_driver_gnupg.php
index b6f87946e..900c30c3d 100644
--- a/plugins/enigma/lib/enigma_driver_gnupg.php
+++ b/plugins/enigma/lib/enigma_driver_gnupg.php
@@ -230,15 +230,21 @@ class enigma_driver_gnupg extends enigma_driver
      *
      * @param string Key ID
      * @param bool   Include private key
+     * @param array  Optional key => password map
      *
      * @return mixed Key content or enigma_error
      */
-    public function export($keyid, $with_private = false)
+    public function export($keyid, $with_private = false, $passwords = array())
     {
         try {
             $key = $this->gpg->exportPublicKey($keyid, true);
 
             if ($with_private) {
+                // GnuPG 2.1 requires secret key passphrases on export
+                foreach ($passwords as $keyid => $pass) {
+                    $this->gpg->addPassphrase($keyid, $pass);
+                }
+
                 $priv = $this->gpg->exportPrivateKey($keyid, true);
                 $key .= $priv;
             }
diff --git a/plugins/enigma/lib/enigma_driver_phpssl.php b/plugins/enigma/lib/enigma_driver_phpssl.php
index 8cffc62f0..a2b16fa93 100644
--- a/plugins/enigma/lib/enigma_driver_phpssl.php
+++ b/plugins/enigma/lib/enigma_driver_phpssl.php
@@ -126,7 +126,7 @@ class enigma_driver_phpssl extends enigma_driver
     {
     }
 
-    public function export($key, $with_private = false)
+    public function export($key, $with_private = false, $passwords = array())
     {
     }
 
diff --git a/plugins/enigma/lib/enigma_engine.php b/plugins/enigma/lib/enigma_engine.php
index f75be3657..55b252629 100644
--- a/plugins/enigma/lib/enigma_engine.php
+++ b/plugins/enigma/lib/enigma_engine.php
@@ -1145,7 +1145,7 @@ class enigma_engine
     function export_key($key, $fp = null, $include_private = false)
     {
         $this->load_pgp_driver();
-        $result = $this->pgp_driver->export($key, $include_private);
+        $result = $this->pgp_driver->export($key, $include_private, $this->get_passwords());
 
         if ($result instanceof enigma_error) {
             rcube::raise_error(array(
diff --git a/plugins/enigma/lib/enigma_ui.php b/plugins/enigma/lib/enigma_ui.php
index 650ea2166..335917283 100644
--- a/plugins/enigma/lib/enigma_ui.php
+++ b/plugins/enigma/lib/enigma_ui.php
@@ -161,7 +161,10 @@ class enigma_ui
             $data = array_merge($params, $data);
         }
 
-        if ($this->rc->action == 'send' || $this->rc->action == 'plugin.enigmaimport') {
+        // @TODO: Get user name/address when keyid == user,
+        //        it may happen on GnuPG 2.1
+
+        if (preg_match('/^(send|plugin.enigmaimport|plugin.enigmakeys)$/', $this->rc->action)) {
             $this->rc->output->command('enigma_password_request', $data);
         }
         else {
@@ -464,28 +467,51 @@ class enigma_ui
      */
     private function key_export()
     {
-        $this->rc->request_security_check(rcube_utils::INPUT_GET);
-
-        $keys   = rcube_utils::get_input_value('_keys', rcube_utils::INPUT_GPC);
-        $priv   = rcube_utils::get_input_value('_priv', rcube_utils::INPUT_GPC);
+        $keys   = rcube_utils::get_input_value('_keys', rcube_utils::INPUT_POST);
+        $priv   = rcube_utils::get_input_value('_priv', rcube_utils::INPUT_POST);
         $engine = $this->enigma->load_engine();
         $list   = $keys == '*' ? $engine->list_keys() : explode(',', $keys);
 
-        if (is_array($list)) {
+        if (is_array($list) && ($fp = fopen('php://memory', 'rw'))) {
             $filename = 'export.pgp';
             if (count($list) == 1) {
                 $filename = (is_object($list[0]) ? $list[0]->id : $list[0]) . '.pgp';
             }
 
+            $status = null;
+            foreach ($list as $key) {
+                $status = $engine->export_key(is_object($key) ? $key->id : $key, $fp, (bool) $priv);
+
+                if ($status instanceof enigma_error) {
+                    $code = $status->getCode();
+
+                    // No/bad passphrase, display error and ask for pass
+                    if ($code == enigma_error::BADPASS) {
+                        $this->password_prompt($status, array(
+                                'input_keys'   => $keys,
+                                'input_priv'   => 1,
+                                'input_task'   => 'settings',
+                                'input_action' => 'plugin.enigmakeys',
+                                'input_a'      => 'export',
+                                'action'       => '?',
+                                'iframe'       => true,
+                                'nolock'       => true,
+                        ));
+                        fclose($fp);
+                        $this->rc->output->send('iframe');
+                    }
+                }
+            }
+
             // send downlaod headers
             header('Content-Type: application/pgp-keys');
             header('Content-Disposition: attachment; filename="' . $filename . '"');
 
-            if ($fp = fopen('php://output', 'w')) {
-                foreach ($list as $key) {
-                    $engine->export_key(is_object($key) ? $key->id : $key, $fp, (bool) $priv);
-                }
+            rewind($fp);
+            while (!feof($fp)) {
+                echo fread($fp, 1024 * 1024);
             }
+            fclose($fp);
         }
 
         exit;
@@ -1075,7 +1101,7 @@ class enigma_ui
                     ));
                 }
                 else {
-                    $this->rc->output->show_message($msg, $type ?: 'error', $vars);
+                    $this->rc->output->show_message($msg, 'error', $vars);
                 }
             }
 

From b6c061656f36a31c96c0d16600dd69d613e1fd1b Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Sun, 23 Oct 2016 17:10:52 +0200
Subject: [PATCH 4/4] GnuPG 2.1: Support password prompt on private key import

---
 plugins/enigma/enigma.js         | 41 ++++++++++++++++++++------------
 plugins/enigma/lib/enigma_ui.php | 10 +++++---
 2 files changed, 33 insertions(+), 18 deletions(-)

diff --git a/plugins/enigma/enigma.js b/plugins/enigma/enigma.js
index f5ae0e4ac..087b9bfd9 100644
--- a/plugins/enigma/enigma.js
+++ b/plugins/enigma/enigma.js
@@ -231,7 +231,9 @@ rcube_webmail.prototype.enigma_export_submit = function(data)
 // Submit key(s) import form
 rcube_webmail.prototype.enigma_import = function()
 {
-    var form, file;
+    var form, file, lock,
+        id = 'keyexport-' + new Date().getTime(),
+        iframe = $('<iframe>').attr({name: id, style: 'display:none'});
 
     if (form = this.gui_objects.importform) {
         file = document.getElementById('rcmimportfile');
@@ -240,13 +242,11 @@ rcube_webmail.prototype.enigma_import = function()
             return;
         }
 
-        var lock = this.set_busy(true, 'importwait');
-
-        form.action = this.add_url(form.action, '_unlock', lock);
-        form.submit();
-
-        this.lock_form(form, true);
-   }
+        lock = this.set_busy(true, 'importwait');
+        iframe.appendTo(document.body);
+        $(form).attr({target: id, action: this.add_url(form.action, '_unlock', lock)})
+            .submit();
+    }
 };
 
 // Ssearch for key(s) for import
@@ -535,12 +535,23 @@ rcube_webmail.prototype.enigma_password_request = function(data)
 // submit entered password
 rcube_webmail.prototype.enigma_password_submit = function(data)
 {
+    var lock, form;
+
     if (this.env.action == 'compose' && !data['compose-init']) {
         return this.enigma_password_compose_submit(data);
     }
+    else if (this.env.action == 'plugin.enigmakeys' && (form = this.gui_objects.importform)) {
+        if (!$('input[name="_keyid"]', form).length) {
+            $(form).append($('<input>').attr({type: 'hidden', name: '_keyid', value: data.key}))
+                .append($('<input>').attr({type: 'hidden', name: '_passwd', value: data.password}))
+        }
+
+        return this.enigma_import();
+    }
 
-    var lock = data.nolock ? null : this.set_busy(true, 'loading'),
-      form = $('<form>').attr({method: 'post', action: data.action || location.href, style: 'display:none'})
+    lock = data.nolock ? null : this.set_busy(true, 'loading');
+    form = $('<form>')
+        .attr({method: 'post', action: data.action || location.href, style: 'display:none'})
         .append($('<input>').attr({type: 'hidden', name: '_keyid', value: data.key}))
         .append($('<input>').attr({type: 'hidden', name: '_passwd', value: data.password}))
         .append($('<input>').attr({type: 'hidden', name: '_token', value: this.env.request_token}))
@@ -548,14 +559,14 @@ rcube_webmail.prototype.enigma_password_submit = function(data)
 
     // Additional form fields for request parameters
     $.each(data, function(i, v) {
-      if (i.indexOf('input') == 0)
-        form.append($('<input>').attr({type: 'hidden', name: i.substring(5), value: v}))
+        if (i.indexOf('input') == 0)
+            form.append($('<input>').attr({type: 'hidden', name: i.substring(5), value: v}))
     });
 
     if (data.iframe) {
-      var name = 'enigma_frame_' + (new Date()).getTime(),
-        frame = $('<iframe>').attr({style: 'display:none', name: name}).appendTo(document.body);
-      form.attr('target', name);
+        var name = 'enigma_frame_' + (new Date()).getTime(),
+            frame = $('<iframe>').attr({style: 'display:none', name: name}).appendTo(document.body);
+        form.attr('target', name);
     }
 
     form.appendTo(document.body).submit();
diff --git a/plugins/enigma/lib/enigma_ui.php b/plugins/enigma/lib/enigma_ui.php
index 335917283..410f66922 100644
--- a/plugins/enigma/lib/enigma_ui.php
+++ b/plugins/enigma/lib/enigma_ui.php
@@ -485,7 +485,6 @@ class enigma_ui
                 if ($status instanceof enigma_error) {
                     $code = $status->getCode();
 
-                    // No/bad passphrase, display error and ask for pass
                     if ($code == enigma_error::BADPASS) {
                         $this->password_prompt($status, array(
                                 'input_keys'   => $keys,
@@ -564,12 +563,15 @@ class enigma_ui
 
                 $this->rc->output->show_message('enigma.keysimportsuccess', 'confirmation',
                     array('new' => $result['imported'], 'old' => $result['unchanged']));
-
-                $this->rc->output->send('iframe');
+            }
+            else if ($result instanceof enigma_error && $result->getCode() == enigma_error::BADPASS) {
+                $this->password_prompt($result);
             }
             else {
                 $this->rc->output->show_message('enigma.keysimportfailed', 'error');
             }
+
+            $this->rc->output->send('iframe');
         }
         else if ($err = $_FILES['_file']['error']) {
             if ($err == UPLOAD_ERR_INI_SIZE || $err == UPLOAD_ERR_FORM_SIZE) {
@@ -578,6 +580,8 @@ class enigma_ui
             } else {
                 $this->rc->output->show_message('fileuploaderror', 'error');
             }
+
+            $this->rc->output->send('iframe');
         }
 
         $this->rc->output->add_handlers(array(