]> git.mxchange.org Git - quix0rs-gnu-social.git/blobdiff - actions/login.php
Merge branch '0.8.x' of git://gitorious.org/~brion/statusnet/brion-fixes into 0.8.x
[quix0rs-gnu-social.git] / actions / login.php
index 8600d44fd3e05f82605ebbce04dd8ab6cc1d0efe..ac8c40c3e5f60e97cf98393204ff96ca79fc6fef 100644 (file)
@@ -1,9 +1,12 @@
 <?php
-/*
- * Laconica - a distributed open-source microblogging tool
- * Copyright (C) 2008, Controlez-Vous, Inc.
+/**
+ * StatusNet, the distributed open-source microblogging tool
  *
- * This program is free software: you can redistribute it and/or modify
+ * Login form
+ *
+ * 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.
  *
  * 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  Login
+ * @package   StatusNet
+ * @author    Evan Prodromou <evan@status.net>
+ * @author    Sarven Capadisli <csarven@status.net>
+ * @copyright 2008-2009 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('LACONICA')) { exit(1); }
+if (!defined('STATUSNET') && !defined('LACONICA')) {
+    exit(1);
+}
+
+/**
+ * Login form
+ *
+ * @category Personal
+ * @package  StatusNet
+ * @author   Evan Prodromou <evan@status.net>
+ * @author   Sarven Capadisli <csarven@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 LoginAction extends Action
 {
+    /**
+     * Has there been an error?
+     */
+
+    var $error = null;
+
+    /**
+     * Is this a read-only action?
+     *
+     * @return boolean false
+     */
 
-    function is_readonly()
+    function isReadOnly($args)
     {
-        return true;
+        return false;
     }
 
+    /**
+     * Handle input, produce output
+     *
+     * Switches on request method; either shows the form or handles its input.
+     *
+     * Checks if only OpenID is allowed and redirects to openidlogin if so.
+     *
+     * @param array $args $_REQUEST data
+     *
+     * @return void
+     */
+
     function handle($args)
     {
         parent::handle($args);
-        if (common_is_real_login()) {
-            common_user_error(_('Already logged in.'));
+        if (common_config('site', 'openidonly')) {
+            common_redirect(common_local_url('openidlogin'));
+        } else if (common_is_real_login()) {
+            $this->clientError(_('Already logged in.'));
         } else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
-            $this->check_login();
+            $this->checkLogin();
         } else {
-            $this->show_form();
+            common_ensure_session();
+            $this->showForm();
         }
     }
 
-    function check_login()
+    /**
+     * Check the login data
+     *
+     * Determines if the login data is valid. If so, logs the user
+     * in, and redirects to the 'with friends' page, or to the stored
+     * return-to URL.
+     *
+     * @return void
+     */
+
+    function checkLogin()
     {
-        # XXX: login throttle
+        // XXX: login throttle
 
-        # CSRF protection - token set in common_notice_form()
+        // CSRF protection - token set in NoticeForm
         $token = $this->trimmed('token');
         if (!$token || $token != common_session_token()) {
-            $this->client_error(_('There was a problem with your session token. Try again, please.'));
+            $this->clientError(_('There was a problem with your session token. '.
+                                 'Try again, please.'));
             return;
         }
 
         $nickname = common_canonical_nickname($this->trimmed('nickname'));
         $password = $this->arg('password');
-        if (common_check_user($nickname, $password)) {
-            # success!
-            if (!common_set_user($nickname)) {
-                common_server_error(_('Error setting user.'));
-                return;
-            }
-            common_real_login(true);
-            if ($this->boolean('rememberme')) {
-                common_debug('Adding rememberme cookie for ' . $nickname);
-                common_rememberme();
-            }
-            # success!
-            $url = common_get_returnto();
-            if ($url) {
-                # We don't have to return to it again
-                common_set_returnto(null);
-            } else {
-                $url = common_local_url('all',
-                                        array('nickname' =>
-                                              $nickname));
-            }
-            common_redirect($url);
-        } else {
-            $this->show_form(_('Incorrect username or password.'));
+
+        $user = common_check_user($nickname, $password);
+
+        if (!$user) {
+            $this->showForm(_('Incorrect username or password.'));
             return;
         }
 
-        # success!
+        // success!
         if (!common_set_user($user)) {
-            common_server_error(_('Error setting user.'));
+            $this->serverError(_('Error setting user.'));
             return;
         }
 
         common_real_login(true);
 
         if ($this->boolean('rememberme')) {
-            common_debug('Adding rememberme cookie for ' . $nickname);
             common_rememberme($user);
         }
-        # success!
+
         $url = common_get_returnto();
+
         if ($url) {
-            # We don't have to return to it again
+            // We don't have to return to it again
             common_set_returnto(null);
         } else {
             $url = common_local_url('all',
                                     array('nickname' =>
                                           $nickname));
         }
-        common_redirect($url);
+
+        common_redirect($url, 303);
+    }
+
+    /**
+     * Store an error and show the page
+     *
+     * This used to show the whole page; now, it's just a wrapper
+     * that stores the error in an attribute.
+     *
+     * @param string $error error, if any.
+     *
+     * @return void
+     */
+
+    function showForm($error=null)
+    {
+        $this->error = $error;
+        $this->showPage();
+    }
+
+    function showScripts()
+    {
+        parent::showScripts();
+        $this->autofocus('nickname');
+    }
+
+    /**
+     * Title of the page
+     *
+     * @return string title of the page
+     */
+
+    function title()
+    {
+        return _('Login');
+    }
+
+    /**
+     * Show page notice
+     *
+     * Display a notice for how to use the page, or the
+     * error if it exists.
+     *
+     * @return void
+     */
+
+    function showPageNotice()
+    {
+        if ($this->error) {
+            $this->element('p', 'error', $this->error);
+        } else {
+            $instr  = $this->getInstructions();
+            $output = common_markup_to_html($instr);
+
+            $this->raw($output);
+        }
     }
 
-    function show_form($error=null)
+    /**
+     * Core of the display code
+     *
+     * Shows the login form.
+     *
+     * @return void
+     */
+
+    function showContent()
     {
-        common_show_header(_('Login'), null, $error, array($this, 'show_top'));
-        common_element_start('form', array('method' => 'post',
-                                           'id' => 'login',
+        $this->elementStart('form', array('method' => 'post',
+                                           'id' => 'form_login',
+                                           'class' => 'form_settings',
                                            'action' => common_local_url('login')));
-        common_input('nickname', _('Nickname'));
-        common_password('password', _('Password'));
-        common_checkbox('rememberme', _('Remember me'), false,
+        $this->elementStart('fieldset');
+        $this->element('legend', null, _('Login to site'));
+        $this->elementStart('ul', 'form_data');
+        $this->elementStart('li');
+        $this->input('nickname', _('Nickname'));
+        $this->elementEnd('li');
+        $this->elementStart('li');
+        $this->password('password', _('Password'));
+        $this->elementEnd('li');
+        $this->elementStart('li');
+        $this->checkbox('rememberme', _('Remember me'), false,
                         _('Automatically login in the future; ' .
                            'not for shared computers!'));
-        common_submit('submit', _('Login'));
-        common_hidden('token', common_session_token());
-        common_element_end('form');
-        common_element_start('p');
-        common_element('a', array('href' => common_local_url('recoverpassword')),
+        $this->elementEnd('li');
+        $this->elementEnd('ul');
+        $this->submit('submit', _('Login'));
+        $this->hidden('token', common_session_token());
+        $this->elementEnd('fieldset');
+        $this->elementEnd('form');
+        $this->elementStart('p');
+        $this->element('a', array('href' => common_local_url('recoverpassword')),
                        _('Lost or forgotten password?'));
-        common_element_end('p');
-        common_show_footer();
+        $this->elementEnd('p');
     }
 
-    function get_instructions()
+    /**
+     * Instructions for using the form
+     *
+     * For "remembered" logins, we make the user re-login when they
+     * try to change settings. Different instructions for this case.
+     *
+     * @return void
+     */
+
+    function getInstructions()
     {
-        if (common_logged_in() &&
-            !common_is_real_login() &&
-            common_get_returnto())
-        {
-            # rememberme logins have to reauthenticate before
-            # changing any profile settings (cookie-stealing protection)
+        if (common_logged_in() && !common_is_real_login() &&
+            common_get_returnto()) {
+            // rememberme logins have to reauthenticate before
+            // changing any profile settings (cookie-stealing protection)
             return _('For security reasons, please re-enter your ' .
                      'user name and password ' .
                      'before changing your settings.');
-        } else {
+        } else if (common_config('openid', 'enabled')) {
             return _('Login with your username and password. ' .
                      'Don\'t have a username yet? ' .
                      '[Register](%%action.register%%) a new account, or ' .
                      'try [OpenID](%%action.openidlogin%%). ');
+        } else {
+            return _('Login with your username and password. ' .
+                     'Don\'t have a username yet? ' .
+                     '[Register](%%action.register%%) a new account.');
         }
     }
 
-    function show_top($error=null)
+    /**
+     * A local menu
+     *
+     * Shows different login/register actions.
+     *
+     * @return void
+     */
+
+    function showLocalNav()
     {
-        if ($error) {
-            common_element('p', 'error', $error);
-        } else {
-            $instr = $this->get_instructions();
-            $output = common_markup_to_html($instr);
-            common_element_start('div', 'instructions');
-            common_raw($output);
-            common_element_end('div');
-        }
+        $nav = new LoginGroupNav($this);
+        $nav->show();
     }
 }