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PhabricatorLoginController.php
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Fri, Nov 22, 12:28

PhabricatorLoginController.php
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<?php
final class PhabricatorLoginController
extends PhabricatorAuthController {
public function shouldRequireLogin() {
return false;
}
public function processRequest() {
$request = $this->getRequest();
$user = $request->getUser();
if ($user->isLoggedIn()) {
// Kick the user out if they're already logged in.
return id(new AphrontRedirectResponse())->setURI('/');
}
if ($request->isAjax()) {
// We end up here if the user clicks a workflow link that they need to
// login to use. We give them a dialog saying "You need to login..".
if ($request->isDialogFormPost()) {
return id(new AphrontRedirectResponse())->setURI(
$request->getRequestURI());
}
$dialog = new AphrontDialogView();
$dialog->setUser($user);
$dialog->setTitle(pht('Login Required'));
$dialog->appendChild(phutil_tag('p', array(), pht(
'You must login to continue.')));
$dialog->addSubmitButton(pht('Login'));
$dialog->addCancelButton('/', pht('Cancel'));
return id(new AphrontDialogResponse())->setDialog($dialog);
}
if ($request->isConduit()) {
// A common source of errors in Conduit client configuration is getting
// the request path wrong. The client will end up here, so make some
// effort to give them a comprehensible error message.
$request_path = $this->getRequest()->getPath();
$conduit_path = '/api/<method>';
$example_path = '/api/conduit.ping';
$message =
"ERROR: You are making a Conduit API request to '{$request_path}', ".
"but the correct HTTP request path to use in order to access a ".
"Conduit method is '{$conduit_path}' (for example, ".
"'{$example_path}'). Check your configuration.";
return id(new AphrontPlainTextResponse())->setContent($message);
}
$error_view = null;
if ($request->getCookie('phusr') && $request->getCookie('phsid')) {
// The session cookie is invalid, so clear it.
$request->clearCookie('phusr');
$request->clearCookie('phsid');
$error_view = new AphrontErrorView();
$error_view->setTitle(pht('Invalid Session'));
$error_view->setErrors(array(
pht("Your login session is invalid. Try logging in again. If that ".
"doesn't work, clear your browser cookies.")
));
}
$next_uri_path = $this->getRequest()->getPath();
if ($next_uri_path == '/login/') {
$next_uri = '/';
} else {
$next_uri = $this->getRequest()->getRequestURI();
}
if (!$request->isFormPost()) {
$request->setCookie('next_uri', $next_uri);
}
$password_auth = PhabricatorEnv::getEnvConfig('auth.password-auth-enabled');
$username_or_email = $request->getCookie('phusr');
$forms = array();
$errors = array();
if ($password_auth) {
$require_captcha = false;
$e_captcha = true;
if ($request->isFormPost()) {
if (AphrontFormRecaptchaControl::isRecaptchaEnabled()) {
$failed_attempts = PhabricatorUserLog::loadRecentEventsFromThisIP(
PhabricatorUserLog::ACTION_LOGIN_FAILURE,
60 * 15);
if (count($failed_attempts) > 5) {
$require_captcha = true;
if (!AphrontFormRecaptchaControl::processCaptcha($request)) {
if (AphrontFormRecaptchaControl::hasCaptchaResponse($request)) {
$e_captcha = pht('Invalid');
$errors[] = pht('CAPTCHA was not entered correctly.');
} else {
$e_captcha = pht('Required');
$errors[] = pht('Too many login failures recently. You must '.
'submit a CAPTCHA with your login request.');
}
}
}
}
$username_or_email = $request->getStr('username_or_email');
$user = id(new PhabricatorUser())->loadOneWhere(
'username = %s',
$username_or_email);
if (!$user) {
$user = PhabricatorUser::loadOneWithEmailAddress($username_or_email);
}
if (!$errors) {
// Perform username/password tests only if we didn't get rate limited
// by the CAPTCHA.
$envelope = new PhutilOpaqueEnvelope($request->getStr('password'));
if (!$user || !$user->comparePassword($envelope)) {
$errors[] = pht('Bad username/password.');
}
}
if (!$errors) {
$session_key = $user->establishSession('web');
$request->setCookie('phusr', $user->getUsername());
$request->setCookie('phsid', $session_key);
$uri = new PhutilURI('/login/validate/');
$uri->setQueryParams(
array(
'phusr' => $user->getUsername(),
));
return id(new AphrontRedirectResponse())
->setURI((string)$uri);
} else {
$log = PhabricatorUserLog::newLog(
null,
$user,
PhabricatorUserLog::ACTION_LOGIN_FAILURE);
$log->save();
$request->clearCookie('phusr');
$request->clearCookie('phsid');
}
}
if ($errors) {
$error_view = new AphrontErrorView();
$error_view->setTitle(pht('Login Failed'));
$error_view->setErrors($errors);
}
$form = new AphrontFormView();
$form
->setUser($request->getUser())
->setAction('/login/')
->appendChild(
id(new AphrontFormTextControl())
->setLabel(pht('Username/Email'))
->setName('username_or_email')
->setValue($username_or_email))
->appendChild(
id(new AphrontFormPasswordControl())
->setLabel(pht('Password'))
->setName('password')
->setCaption(hsprintf(
'<a href="/login/email/">%s</a>',
pht('Forgot your password? / Email Login'))));
if ($require_captcha) {
$form->appendChild(
id(new AphrontFormRecaptchaControl())
->setError($e_captcha));
}
$form
->appendChild(
id(new AphrontFormSubmitControl())
->setValue(pht('Login')));
// $panel->setCreateButton('Register New Account', '/login/register/');
$forms['Phabricator Login'] = $form;
}
$ldap_provider = new PhabricatorLDAPProvider();
if ($ldap_provider->isProviderEnabled()) {
$ldap_form = new AphrontFormView();
$ldap_form
->setUser($request->getUser())
->setAction('/ldap/login/')
->appendChild(
id(new AphrontFormTextControl())
->setLabel(pht('LDAP username'))
->setName('username')
->setValue($username_or_email))
->appendChild(
id(new AphrontFormPasswordControl())
->setLabel(pht('Password'))
->setName('password'));
$ldap_form
->appendChild(
id(new AphrontFormSubmitControl())
->setValue(pht('Login')));
$forms['LDAP Login'] = $ldap_form;
}
$providers = PhabricatorOAuthProvider::getAllProviders();
foreach ($providers as $provider) {
$enabled = $provider->isProviderEnabled();
if (!$enabled) {
continue;
}
$auth_uri = $provider->getAuthURI();
$redirect_uri = $provider->getRedirectURI();
$client_id = $provider->getClientID();
$provider_name = $provider->getProviderName();
$minimum_scope = $provider->getMinimumScope();
$extra_auth = $provider->getExtraAuthParameters();
// TODO: In theory we should use 'state' to prevent CSRF, but the total
// effect of the CSRF attack is that an attacker can cause a user to login
// to Phabricator if they're already logged into some OAuth provider. This
// does not seem like the most severe threat in the world, and generating
// CSRF for logged-out users is vaugely tricky.
if ($provider->isProviderRegistrationEnabled()) {
$title = pht("Login or Register with %s", $provider_name);
$body = pht('Login or register for Phabricator using your %s account.',
$provider_name);
$button = pht("Login or Register with %s", $provider_name);
} else {
$title = pht("Login with %s", $provider_name);
$body = hsprintf(
'%s<br /><br /><strong>%s</strong>',
pht(
'Login to your existing Phabricator account using your %s account.',
$provider_name),
pht(
'You can not use %s to register a new account.',
$provider_name));
$button = pht("Log in with %s", $provider_name);
}
$auth_form = new AphrontFormView();
$auth_form
->setAction($auth_uri)
->addHiddenInput('client_id', $client_id)
->addHiddenInput('redirect_uri', $redirect_uri)
->addHiddenInput('scope', $minimum_scope);
foreach ($extra_auth as $key => $value) {
$auth_form->addHiddenInput($key, $value);
}
$auth_form
->setUser($request->getUser())
->setMethod('GET')
->appendChild(hsprintf(
'<p class="aphront-form-instructions">%s</p>',
$body))
->appendChild(
id(new AphrontFormSubmitControl())
->setValue("{$button} \xC2\xBB"));
$forms[$title] = $auth_form;
}
$panel = new AphrontPanelView();
$panel->setWidth(AphrontPanelView::WIDTH_FORM);
$panel->setNoBackground();
foreach ($forms as $name => $form) {
$panel->appendChild(phutil_tag('h1', array(), $name));
$panel->appendChild($form);
$panel->appendChild(phutil_tag('br'));
}
$login_message = PhabricatorEnv::getEnvConfig('auth.login-message');
return $this->buildApplicationPage(
array(
$error_view,
phutil_safe_html($login_message),
$panel,
),
array(
'title' => pht('Login'),
'device' => true
));
}
}

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