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PhabricatorLoginController.php
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Sat, Apr 12, 00:15

PhabricatorLoginController.php
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<?php
/*
* Copyright 2011 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('/');
}
$next_uri = $this->getRequest()->getPath();
$request->setCookie('next_uri', $next_uri);
if ($next_uri == '/login/' && !$request->isFormPost()) {
// The user went straight to /login/, so presumably they want to go
// to the dashboard upon logging in. Because, you know, that's logical.
// And people are logical. Sometimes... Fine, no they're not.
// We check for POST here because getPath() would get reset to /login/.
$request->setCookie('next_uri', '/');
}
// Always use $request->getCookie('next_uri', '/') after the above.
$password_auth = PhabricatorEnv::getEnvConfig('auth.password-auth-enabled');
$forms = array();
$error_view = null;
if ($password_auth) {
$error = false;
$username_or_email = $request->getCookie('phusr');
if ($request->isFormPost()) {
$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);
}
$okay = false;
if ($user) {
if ($user->comparePassword($request->getStr('password'))) {
$session_key = $user->establishSession('web');
$request->setCookie('phusr', $user->getUsername());
$request->setCookie('phsid', $session_key);
return id(new AphrontRedirectResponse())
->setURI($request->getCookie('next_uri', '/'));
} else {
$log = PhabricatorUserLog::newLog(
null,
$user,
PhabricatorUserLog::ACTION_LOGIN_FAILURE);
$log->save();
}
}
if (!$okay) {
$request->clearCookie('phusr');
$request->clearCookie('phsid');
}
$error = true;
}
if ($error) {
$error_view = new AphrontErrorView();
$error_view->setTitle('Bad username/password.');
}
$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>'))
->appendChild(
id(new AphrontFormSubmitControl())
->setValue('Login'));
// $panel->setCreateButton('Register New Account', '/login/register/');
$forms['Phabricator Login'] = $form;
}
$providers = array(
PhabricatorOAuthProvider::PROVIDER_FACEBOOK,
PhabricatorOAuthProvider::PROVIDER_GITHUB,
);
foreach ($providers as $provider_key) {
$provider = PhabricatorOAuthProvider::newProvider($provider_key);
$enabled = $provider->isProviderEnabled();
if (!$enabled) {
continue;
}
$auth_uri = $provider->getAuthURI();
$redirect_uri = $provider->getRedirectURI();
$client_id = $provider->getClientID();
$provider_name = $provider->getProviderName();
$minimum_scope = $provider->getMinimumScope();
// TODO: In theory we should use 'state' to prevent CSRF, but the total
// effect of the CSRF attack is that an attacker can cause a user to login
// to Phabricator if they're already logged into some OAuth provider. This
// does not seem like the most severe threat in the world, and generating
// CSRF for logged-out users is vaugely tricky.
if ($provider->isProviderRegistrationEnabled()) {
$title = "Login or Register with {$provider_name}";
$body = "Login or register for Phabricator using your ".
"{$provider_name} account.";
$button = "Login or Register with {$provider_name}";
} else {
$title = "Login with {$provider_name}";
$body = "Login to your existing Phabricator account using your ".
"{$provider_name} account.<br /><br /><strong>You can not use ".
"{$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', $minimum_scope)
->setUser($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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