Stub plugins administration panel, allows for disabling/re-enabling plugins from the default plugins list.

actions/plugindisable.php

@@ -0,0 +1,78 @@
+<?php
+/**
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2010, StatusNet, Inc.
+ *
+ * Plugin enable action.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * PHP version 5
+ *
+ * @category  Action
+ * @package   StatusNet
+ * @author    Brion Vibber <brion@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
+ * @link      http://status.net/
+ */
+
+if (!defined('STATUSNET')) {
+    exit(1);
+}
+
+/**
+ * Plugin enable action.
+ *
+ * (Re)-enables a plugin from the default plugins list.
+ *
+ * Takes parameters:
+ *
+ *    - plugin: plugin name
+ *    - token: session token to prevent CSRF attacks
+ *    - ajax: boolean; whether to return Ajax or full-browser results
+ *
+ * Only works if the current user is logged in.
+ *
+ * @category  Action
+ * @package   StatusNet
+ * @author    Brion Vibber <brion@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
+ * @link      http://status.net/
+ */
+
+class PluginDisableAction extends PluginEnableAction
+{
+    /**
+     * Value to save into $config['plugins']['disable-<name>']
+     */
+    protected function overrideValue()
+    {
+        return 1;
+    }
+
+    protected function successShortTitle()
+    {
+        // TRANS: Page title for AJAX form return when a disabling a plugin.
+        return _m('plugin', 'Disabled');
+    }
+
+    protected function successNextForm()
+    {
+        return new EnablePluginForm($this, $this->plugin);
+    }
+}
+
+

actions/pluginenable.php

@@ -0,0 +1,166 @@
+<?php
+/**
+ * StatusNet - the distributed open-source microblogging tool
+ * Copyright (C) 2010, StatusNet, Inc.
+ *
+ * Plugin enable action.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * PHP version 5
+ *
+ * @category  Action
+ * @package   StatusNet
+ * @author    Brion Vibber <brion@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
+ * @link      http://status.net/
+ */
+
+if (!defined('STATUSNET')) {
+    exit(1);
+}
+
+/**
+ * Plugin enable action.
+ *
+ * (Re)-enables a plugin from the default plugins list.
+ *
+ * Takes parameters:
+ *
+ *    - plugin: plugin name
+ *    - token: session token to prevent CSRF attacks
+ *    - ajax: boolean; whether to return Ajax or full-browser results
+ *
+ * Only works if the current user is logged in.
+ *
+ * @category  Action
+ * @package   StatusNet
+ * @author    Brion Vibber <brion@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPLv3
+ * @link      http://status.net/
+ */
+
+class PluginEnableAction extends Action
+{
+    var $user;
+    var $plugin;
+
+    /**
+     * Check pre-requisites and instantiate attributes
+     *
+     * @param Array $args array of arguments (URL, GET, POST)
+     *
+     * @return boolean success flag
+     */
+
+    function prepare($args)
+    {
+        parent::prepare($args);
+
+        // @fixme these are pretty common, should a parent class factor these out?
+
+        // Only allow POST requests
+
+        if ($_SERVER['REQUEST_METHOD'] != 'POST') {
+            $this->clientError(_('This action only accepts POST requests.'));
+            return false;
+        }
+
+        // CSRF protection
+
+        $token = $this->trimmed('token');
+
+        if (!$token || $token != common_session_token()) {
+            $this->clientError(_('There was a problem with your session token.'.
+                                 ' Try again, please.'));
+            return false;
+        }
+
+        // Only for logged-in users
+
+        $this->user = common_current_user();
+
+        if (empty($this->user)) {
+            $this->clientError(_('Not logged in.'));
+            return false;
+        }
+
+        if (!AdminPanelAction::canAdmin('plugins')) {
+            $this->clientError(_('You cannot administer plugins.'));
+            return false;
+        }
+
+        $this->plugin = $this->arg('plugin');
+        $defaultPlugins = common_config('plugins', 'default');
+        if (!array_key_exists($this->plugin, $defaultPlugins)) {
+            $this->clientError(_('No such plugin.'));
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Handle request
+     *
+     * Does the subscription and returns results.
+     *
+     * @param Array $args unused.
+     *
+     * @return void
+     */
+
+    function handle($args)
+    {
+        $key = 'disable-' . $this->plugin;
+        Config::save('plugins', $key, $this->overrideValue());
+
+        // @fixme this is a pretty common pattern and should be refactored down
+        if ($this->boolean('ajax')) {
+            $this->startHTML('text/xml;charset=utf-8');
+            $this->elementStart('head');
+            $this->element('title', null, $this->successShortTitle());
+            $this->elementEnd('head');
+            $this->elementStart('body');
+            $form = $this->successNextForm();
+            $form->show();
+            $this->elementEnd('body');
+            $this->elementEnd('html');
+        } else {
+            $url = common_local_url('pluginsadminpanel');
+            common_redirect($url, 303);
+        }
+    }
+
+    /**
+     * Value to save into $config['plugins']['disable-<name>']
+     */
+    protected function overrideValue()
+    {
+        return 0;
+    }
+
+    protected function successShortTitle()
+    {
+        // TRANS: Page title for AJAX form return when enabling a plugin.
+        return _m('plugin', 'Enabled');
+    }
+
+    protected function successNextForm()
+    {
+        return new DisablePluginForm($this, $this->plugin);
+    }
+}

actions/pluginsadminpanel.php

@@ -0,0 +1,110 @@
+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * Plugins administration panel
+ *
+ * PHP version 5
+ *
+ * LICENCE: This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category  Settings
+ * @package   StatusNet
+ * @author    Brion Vibber <brion@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://status.net/
+ */
+
+if (!defined('STATUSNET')) {
+    exit(1);
+}
+
+/**
+ * Plugins settings
+ *
+ * @category Admin
+ * @package  StatusNet
+ * @author   Brion Vibber <brion@status.net>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://status.net/
+ */
+
+class PluginsadminpanelAction extends AdminPanelAction
+{
+
+    /**
+     * Returns the page title
+     *
+     * @return string page title
+     */
+
+    function title()
+    {
+        // TRANS: Tab and title for plugins admin panel.
+        return _('Plugins');
+    }
+
+    /**
+     * Instructions for using this form.
+     *
+     * @return string instructions
+     */
+
+    function getInstructions()
+    {
+        // TRANS: Instructions at top of plugin admin page.
+        return _('Additional plugins can be enabled and configured manually. ' . 
+                 'See the <a href="http://status.net/wiki/Plugins">online plugin ' .
+                 'documentation</a> for more details.');
+    }
+
+    /**
+     * Show the plugins admin panel form
+     *
+     * @return void
+     */
+
+    function showForm()
+    {
+        $this->elementStart('fieldset', array('id' => 'settings_plugins_default'));
+        
+        // TRANS: Admin form section header
+        $this->element('legend', null, _('Default plugins'), 'default');
+
+        $this->showDefaultPlugins();
+
+        $this->elementEnd('fieldset');
+    }
+
+    /**
+     * Until we have a general plugin metadata infrastructure, for now
+     * we'll just list up the ones we know from the global default
+     * plugins list.
+     */
+    protected function showDefaultPlugins()
+    {
+        $plugins = array_keys(common_config('plugins', 'default'));
+        natsort($plugins);
+
+        if ($plugins) {
+            $list = new PluginList($plugins, $this);
+            $list->show();
+        } else {
+            $this->element('p', null,
+                           _('All default plugins have been disabled from the ' .
+                             'site\'s configuration file.'));
+        }
+    }
+}

lib/adminpanelaction.php

@@ -407,6 +407,14 @@ class AdminPanelNav extends Widget
                                      $menu_title, $action_name == 'snapshotadminpanel', 'nav_snapshot_admin_panel');
             }
 
+            if (AdminPanelAction::canAdmin('plugins')) {
+                // TRANS: Menu item title/tooltip
+                $menu_title = _('Plugins configuration');
+                // TRANS: Menu item for site administration
+                $this->out->menuItem(common_local_url('pluginsadminpanel'), _('Plugins'),
+                                     $menu_title, $action_name == 'pluginsadminpanel', 'nav_design_admin_panel');
+            }
+
             Event::handle('EndAdminPanelNav', array($this));
         }
         $this->action->elementEnd('ul');

lib/default.php

@@ -285,8 +285,9 @@ $default =
                                  'RSSCloud' => null,
                                  'OpenID' => null),
               ),
+        'pluginlist' => array(),
         'admin' =>
-        array('panels' => array('design', 'site', 'user', 'paths', 'access', 'sessions', 'sitenotice')),
+        array('panels' => array('design', 'site', 'user', 'paths', 'access', 'sessions', 'sitenotice', 'plugins')),
         'singleuser' =>
         array('enabled' => false,
               'nickname' => null),

lib/plugindisableform.php

@@ -0,0 +1,93 @@
+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * Form for enabling/disabling plugins
+ *
+ * PHP version 5
+ *
+ * LICENCE: This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category  Form
+ * @package   StatusNet
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://status.net/
+ */
+
+if (!defined('STATUSNET') && !defined('LACONICA')) {
+    exit(1);
+}
+
+/**
+ * Form for joining a group
+ *
+ * @category Form
+ * @package  StatusNet
+ * @author   Brion Vibber <brion@status.net>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://status.net/
+ *
+ * @see      PluginEnableForm
+ */
+
+class PluginDisableForm extends PluginEnableForm
+{
+    /**
+     * ID of the form
+     *
+     * @return string ID of the form
+     */
+
+    function id()
+    {
+        return 'plugin-disable-' . $this->plugin;
+    }
+
+    /**
+     * class of the form
+     *
+     * @return string of the form class
+     */
+
+    function formClass()
+    {
+        return 'form_plugin_disable';
+    }
+
+    /**
+     * Action of the form
+     *
+     * @return string URL of the action
+     */
+
+    function action()
+    {
+        return common_local_url('plugindisable',
+                                array('plugin' => $this->plugin));
+    }
+
+    /**
+     * Action elements
+     *
+     * @return void
+     */
+
+    function formActions()
+    {
+        // TRANS: Plugin admin panel controls
+        $this->out->submit('submit', _m('plugin', 'Disable'));
+    }
+
+}

lib/pluginenableform.php

@@ -0,0 +1,114 @@
+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * Form for enabling/disabling plugins
+ *
+ * PHP version 5
+ *
+ * LICENCE: This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category  Form
+ * @package   StatusNet
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://status.net/
+ */
+
+if (!defined('STATUSNET') && !defined('LACONICA')) {
+    exit(1);
+}
+
+require_once INSTALLDIR.'/lib/form.php';
+
+/**
+ * Form for joining a group
+ *
+ * @category Form
+ * @package  StatusNet
+ * @author   Brion Vibber <brion@status.net>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://status.net/
+ *
+ * @see      PluginDisableForm
+ */
+
+class PluginEnableForm extends Form
+{
+    /**
+     * Plugin to enable/disable
+     */
+
+    var $plugin = null;
+
+    /**
+     * Constructor
+     *
+     * @param HTMLOutputter $out    output channel
+     * @param string        $plugin plugin to enable/disable
+     */
+
+    function __construct($out=null, $plugin=null)
+    {
+        parent::__construct($out);
+
+        $this->plugin = $plugin;
+    }
+
+    /**
+     * ID of the form
+     *
+     * @return string ID of the form
+     */
+
+    function id()
+    {
+        return 'plugin-enable-' . $this->plugin;
+    }
+
+    /**
+     * class of the form
+     *
+     * @return string of the form class
+     */
+
+    function formClass()
+    {
+        return 'form_plugin_enable';
+    }
+
+    /**
+     * Action of the form
+     *
+     * @return string URL of the action
+     */
+
+    function action()
+    {
+        return common_local_url('pluginenable',
+                                array('plugin' => $this->plugin));
+    }
+
+    /**
+     * Action elements
+     *
+     * @return void
+     */
+
+    function formActions()
+    {
+        // TRANS: Plugin admin panel controls
+        $this->out->submit('submit', _m('plugin', 'Enable'));
+    }
+}

lib/pluginlist.php

@@ -0,0 +1,213 @@
+<?php
+/**
+ * StatusNet, the distributed open-source microblogging tool
+ *
+ * Plugins administration panel
+ *
+ * PHP version 5
+ *
+ * LICENCE: This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category  Settings
+ * @package   StatusNet
+ * @author    Brion Vibber <brion@status.net>
+ * @copyright 2010 StatusNet, Inc.
+ * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link      http://status.net/
+ */
+
+if (!defined('STATUSNET')) {
+    exit(1);
+}
+
+require INSTALLDIR . "/lib/pluginenableform.php";
+require INSTALLDIR . "/lib/plugindisableform.php";
+
+/**
+ * Plugin list
+ *
+ * @category Admin
+ * @package  StatusNet
+ * @author   Brion Vibber <brion@status.net>
+ * @license  http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link     http://status.net/
+ */
+
+class PluginList extends Widget
+{
+    var $plugins = array();
+
+    function __construct($plugins, $out)
+    {
+        parent::__construct($out);
+        $this->plugins = $plugins;
+    }
+
+    function show()
+    {
+        $this->startList();
+        $this->showPlugins();
+        $this->endList();
+    }
+
+    function startList()
+    {
+        $this->out->elementStart('table', 'plugin_list');
+    }
+
+    function endList()
+    {
+        $this->out->elementEnd('table');
+    }
+
+    function showPlugins()
+    {
+        foreach ($this->plugins as $plugin) {
+            $pli = $this->newListItem($plugin);
+            $pli->show();
+        }
+    }
+
+    function newListItem($plugin)
+    {
+        return new PluginListItem($plugin, $this->out);
+    }
+}
+
+class PluginListItem extends Widget
+{
+    /** Current plugin. */
+    var $plugin = null;
+
+    /** Local cache for plugin version info */
+    protected static $versions = false;
+
+    function __construct($plugin, $out)
+    {
+        parent::__construct($out);
+        $this->plugin = $plugin;
+    }
+
+    function show()
+    {
+        $meta = $this->metaInfo();
+
+        $this->out->elementStart('tr', array('id' => 'plugin-' . $this->plugin));
+
+        // Name and controls
+        $this->out->elementStart('td');
+        $this->out->elementStart('div');
+        if (!empty($meta['homepage'])) {
+            $this->out->elementStart('a', array('href' => $meta['homepage']));
+        }
+        $this->out->text($this->plugin);
+        if (!empty($meta['homepage'])) {
+            $this->out->elementEnd('a');
+        }
+        $this->out->elementEnd('div');
+        
+        $form = $this->getControlForm();
+        $form->show();
+
+        $this->out->elementEnd('td');
+
+        // Version and authors
+        $this->out->elementStart('td');
+        if (!empty($meta['version'])) {
+            $this->out->elementStart('div');
+            $this->out->text($meta['version']);
+            $this->out->elementEnd('div');
+        }
+        if (!empty($meta['author'])) {
+            $this->out->elementStart('div');
+            $this->out->text($meta['author']);
+            $this->out->elementEnd('div');
+        }
+        $this->out->elementEnd('td');
+
+        // Description
+        $this->out->elementStart('td');
+        if (!empty($meta['rawdescription'])) {
+            $this->out->raw($meta['rawdescription']);
+        }
+        $this->out->elementEnd('td');
+
+        $this->out->elementEnd('tr');
+    }
+
+    /**
+     * Pull up the appropriate control form for this plugin, depending
+     * on its current state.
+     *
+     * @return Form
+     */
+    protected function getControlForm()
+    {
+        $key = 'disable-' . $this->plugin;
+        if (common_config('plugins', $key)) {
+            return new PluginEnableForm($this->out, $this->plugin);
+        } else {
+            return new PluginDisableForm($this->out, $this->plugin);
+        }
+    }
+
+    /**
+     * Grab metadata about this plugin...
+     * Warning: horribly inefficient and may explode!
+     * Doesn't work for disabled plugins either.
+     *
+     * @fixme pull structured data from plugin source
+     */
+    function metaInfo()
+    {
+        $versions = self::getPluginVersions();
+        $found = false;
+
+        foreach ($versions as $info) {
+            // hack for URL shorteners... "LilUrl (ur1.ca)" etc
+            list($name, ) = explode(' ', $info['name']);
+
+            if ($name == $this->plugin) {
+                if ($found) {
+                    // hack for URL shorteners...
+                    $found['rawdescription'] .= "<br />\n" . $info['rawdescription'];
+                } else {
+                    $found = $info;
+                }
+            }
+        }
+
+        if ($found) {
+            return $found;
+        } else {
+            return array('name' => $this->plugin,
+                         'rawdescription' => _m('plugin-description',
+                                                '(Plugin descriptions unavailable when disabled.)'));
+        }
+    }
+
+    /**
+     * Lazy-load the set of active plugin version info
+     * @return array
+     */
+    protected static function getPluginVersions()
+    {
+        if (!is_array(self::$versions)) {
+            $versions = array();
+            Event::handle('PluginVersion', array(&$versions));
+            self::$versions = $versions;
+        }
+        return self::$versions;
+    }
+}

lib/router.php

@@ -652,6 +652,13 @@ class Router
             $m->connect('admin/sessions', array('action' => 'sessionsadminpanel'));
             $m->connect('admin/sitenotice', array('action' => 'sitenoticeadminpanel'));
             $m->connect('admin/snapshot', array('action' => 'snapshotadminpanel'));
+            $m->connect('admin/plugins', array('action' => 'pluginsadminpanel'));
+            $m->connect('admin/plugins/enable/:plugin',
+                        array('action' => 'pluginenable'),
+                        array('plugin' => '[A-Za-z0-9_]+'));
+            $m->connect('admin/plugins/disable/:plugin',
+                        array('action' => 'plugindisable'),
+                        array('plugin' => '[A-Za-z0-9_]+'));
 
             $m->connect('getfile/:filename',
                         array('action' => 'getfile'),

lib/statusnet.php

@@ -163,6 +163,11 @@ class StatusNet
     {
         // Load default plugins
         foreach (common_config('plugins', 'default') as $name => $params) {
+            $key = 'disable-' . $name;
+            if (common_config('plugins', $key)) {
+                continue;
+            }
+
             if (is_null($params)) {
                 addPlugin($name);
             } else if (is_array($params)) {