X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=actions%2Flogin.php;h=71e4679292c79102dd97f80f6683a655dfef5535;hb=7ea136ee1ba350a64b95cd86a386f3e0d0e339d8;hp=a4e8b33cd9e1b062d2b2f013fa11a6b2ab861019;hpb=c414746e743abbce04b9c42075a6efadbaf41641;p=quix0rs-gnu-social.git diff --git a/actions/login.php b/actions/login.php index a4e8b33cd9..71e4679292 100644 --- a/actions/login.php +++ b/actions/login.php @@ -1,9 +1,12 @@ . + * + * @category Login + * @package Laconica + * @author Evan Prodromou + * @copyright 2008-2009 Control Yourself, Inc. + * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0 + * @link http://laconi.ca/ + */ + +if (!defined('LACONICA')) { + exit(1); +} + +/** + * Login form + * + * @category Personal + * @package Laconica + * @author Evan Prodromou + * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0 + * @link http://laconi.ca/ */ -if (!defined('LACONICA')) { exit(1); } - -class LoginAction extends Action { - - function handle($args) { - parent::handle($args); - if (common_is_real_login()) { - common_user_error(_t('Already logged in.')); - } else if ($_SERVER['REQUEST_METHOD'] == 'POST') { - $this->check_login(); - } else { - $this->show_form(); - } - } - - function check_login() { - # XXX: form token in $_SESSION to prevent XSS - # XXX: login throttle - $nickname = $this->arg('nickname'); - $password = $this->arg('password'); - if (common_check_user($nickname, $password)) { - # success! - if (!common_set_user($nickname)) { - common_server_error(_t('Error setting user.')); - return; - } - common_real_login(true); - if ($this->boolean('rememberme')) { - common_debug('Adding rememberme cookie'); - 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 { - $this->show_form(_t('Incorrect username or password.')); - } - } - - function show_form($error=NULL) { - common_show_header(_t('Login'), NULL, $error, array($this, 'show_top')); - common_element_start('form', array('method' => 'post', - 'id' => 'login', - 'action' => common_local_url('login'))); - common_input('nickname', _t('Nickname')); - common_password('password', _t('Password')); - common_checkbox('rememberme', _t('Remember me'), false, - _t('Automatically login in the future; ' . - 'not for shared computers!')); - common_submit('submit', _t('Login')); - common_element_end('form'); - common_element_start('p'); - common_element('a', array('href' => common_local_url('recoverpassword')), - _t('Lost or forgotten password?')); - common_element_end('p'); - common_show_footer(); - } - - function get_instructions() { - return _t('Login with your username and password. ' . - 'Don\'t have a username yet? ' . - '[Register](%%action.register%%) a new account, or ' . - 'try [OpenID](%%action.openidlogin%%). '); - } - - function show_top($error=NULL) { - if ($error) { - common_element('p', 'error', $error); - } else { - $instr = $this->get_instructions(); - $output = common_markup_to_html($instr); - common_element_start('p', 'instructions'); - common_raw($output); - common_element_end('p'); - } - } +class LoginAction extends Action +{ + /** + * Has there been an error? + */ + + var $error = null; + + /** + * Is this a read-only action? + * + * @return boolean false + */ + + function isReadOnly() + { + return false; + } + + /** + * Handle input, produce output + * + * Switches on request method; either shows the form or handles its input. + * + * @param array $args $_REQUEST data + * + * @return void + */ + + function handle($args) + { + parent::handle($args); + if (common_is_real_login()) { + $this->clientError(_('Already logged in.')); + } else if ($_SERVER['REQUEST_METHOD'] == 'POST') { + $this->checkLogin(); + } else { + common_ensure_session(); + $this->showForm(); + } + } + + /** + * 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 + + // CSRF protection - token set in NoticeForm + $token = $this->trimmed('token'); + if (!$token || $token != common_session_token()) { + $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)) { + $this->showForm(_('Incorrect username or password.')); + return; + } + + // success! + if (!common_set_user($nickname)) { + $this->serverError(_('Error setting user.')); + return; + } + + common_real_login(true); + + if ($this->boolean('rememberme')) { + common_rememberme($user); + } + + $url = common_get_returnto(); + + if ($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); + } + + /** + * 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; + $this->showPage(); + } + + /** + * Title of the page + * + * @return string title of the page + */ + + function title() + { + return _('Login'); + } + + /** + * Show page notice + * + * Display a notice for how to use the page, or the + * error if it exists. + * + * @return void + */ + + function showPageNotice() + { + if ($this->error) { + $this->element('p', 'error', $this->error); + } else { + $instr = $this->getInstructions(); + $output = common_markup_to_html($instr); + + $this->raw($output); + } + } + + /** + * Core of the display code + * + * Shows the login form. + * + * @return void + */ + + function showContent() + { + $this->elementStart('form', array('method' => 'post', + 'id' => 'form_login', + 'class' => 'form_settings', + 'action' => common_local_url('login'))); + $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!')); + $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?')); + $this->elementEnd('p'); + } + + /** + * 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) + return _('For security reasons, please re-enter your ' . + 'user name and password ' . + 'before changing your settings.'); + } else { + return _('Login with your username and password. ' . + 'Don\'t have a username yet? ' . + '[Register](%%action.register%%) a new account, or ' . + 'try [OpenID](%%action.openidlogin%%). '); + } + } + + /** + * A local menu + * + * Shows different login/register actions. + * + * @return void + */ + + function showLocalNav() + { + $nav = new LoginGroupNav($this); + $nav->show(); + } }