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PhabricatorLoginController.php
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Sat, Feb 15, 05:02

PhabricatorLoginController.php
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<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
class PhabricatorLoginController extends PhabricatorAuthController {
public function shouldRequireLogin() {
return false;
}
public function processRequest() {
$request = $this->getRequest();
if ($request->getUser()->getPHID()) {
// Kick the user out if they're already logged in.
return id(new AphrontRedirectResponse())->setURI('/');
}
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);
}
$next_uri = $this->getRequest()->getPath();
if ($next_uri == '/login/') {
$next_uri = '/';
}
if (!$request->isFormPost()) {
$request->setCookie('next_uri', $next_uri);
}
$password_auth = PhabricatorEnv::getEnvConfig('auth.password-auth-enabled');
$forms = array();
$errors = array();
if ($password_auth) {
$require_captcha = false;
$e_captcha = true;
$username_or_email = $request->getCookie('phusr');
if ($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 = 'Invalid';
$errors[] = 'CAPTCHA was not entered correctly.';
} else {
$e_captcha = 'Required';
$errors[] = '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 = id(new PhabricatorUser())->loadOneWhere(
'email = %s',
$username_or_email);
}
if (!$errors) {
// Perform username/password tests only if we didn't get rate limited
// by the CAPTCHA.
if (!$user || !$user->comparePassword($request->getStr('password'))) {
$errors[] = 'Bad username/password.';
}
}
if (!$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('Login Failed');
$error_view->setErrors($errors);
} else {
$error_view = null;
}
$form = new AphrontFormView();
$form
->setUser($request->getUser())
->setAction('/login/')
->appendChild(
id(new AphrontFormTextControl())
->setLabel('Username/Email')
->setName('username_or_email')
->setValue($username_or_email))
->appendChild(
id(new AphrontFormPasswordControl())
->setLabel('Password')
->setName('password')
->setCaption(
'<a href="/login/email/">'.
'Forgot your password? / Email Login</a>'));
if ($require_captcha) {
$form->appendChild(
id(new AphrontFormRecaptchaControl())
->setError($e_captcha));
}
$form
->appendChild(
id(new AphrontFormSubmitControl())
->setValue('Login'));
// $panel->setCreateButton('Register New Account', '/login/register/');
$forms['Phabricator Login'] = $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()) {
$title = "Login or Register with {$provider_name}";
$body = 'Login or register for Phabricator using your '.
phutil_escape_html($provider_name).' account.';
$button = "Login or Register with {$provider_name}";
} else {
$title = "Login with {$provider_name}";
$body = 'Login to your existing Phabricator account using your '.
phutil_escape_html($provider_name).' account.<br /><br />'.
'<strong>You can not use '.
phutil_escape_html($provider_name).' to register a new '.
'account.</strong>';
$button = "Login with {$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(
'<p class="aphront-form-instructions">'.$body.'</p>')
->appendChild(
id(new AphrontFormSubmitControl())
->setValue("{$button} \xC2\xBB"));
$forms[$title] = $auth_form;
}
$panel = new AphrontPanelView();
$panel->setWidth(AphrontPanelView::WIDTH_FORM);
foreach ($forms as $name => $form) {
$panel->appendChild('<h1>'.$name.'</h1>');
$panel->appendChild($form);
$panel->appendChild('<br />');
}
return $this->buildStandardPageResponse(
array(
$error_view,
$panel,
),
array(
'title' => 'Login',
));
}
}

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