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PhabricatorAuthStartController.php
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Sat, May 11, 10:01

PhabricatorAuthStartController.php
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<?php
final class PhabricatorAuthStartController
extends PhabricatorAuthController {
public function shouldRequireLogin() {
return false;
}
public function processRequest() {
$request = $this->getRequest();
$viewer = $request->getUser();
if ($viewer->isLoggedIn()) {
// Kick the user home if they are already logged in.
return id(new AphrontRedirectResponse())->setURI('/');
}
if ($request->isAjax()) {
return $this->processAjaxRequest();
}
if ($request->isConduit()) {
return $this->processConduitRequest();
}
if ($request->getCookie('phusr') && $request->getCookie('phsid')) {
// The session cookie is invalid, so clear it.
$request->clearCookie('phusr');
$request->clearCookie('phsid');
return $this->renderError(
pht(
"Your login session is invalid. Try reloading the page and logging ".
"in again. If that does not work, clear your browser cookies."));
}
$providers = PhabricatorAuthProvider::getAllEnabledProviders();
foreach ($providers as $key => $provider) {
if (!$provider->shouldAllowLogin()) {
unset($providers[$key]);
}
}
if (!$providers) {
return $this->renderError(
pht(
"This Phabricator install is not configured with any enabled ".
"authentication providers which can be used to log in. If you ".
"have accidentally locked yourself out by disabling all providers, ".
"you can use `phabricator/bin/auth recover <username>` to ".
"recover access to an administrative account."));
}
$next_uri = $request->getStr('next');
if (!$next_uri) {
$next_uri_path = $this->getRequest()->getPath();
if ($next_uri_path == '/auth/start/') {
$next_uri = '/';
} else {
$next_uri = $this->getRequest()->getRequestURI();
}
}
if (!$request->isFormPost()) {
$request->setCookie('next_uri', $next_uri);
$request->setCookie('phcid', Filesystem::readRandomCharacters(16));
}
$not_buttons = array();
$are_buttons = array();
$providers = msort($providers, 'getLoginOrder');
foreach ($providers as $provider) {
if ($provider->isLoginFormAButton()) {
$are_buttons[] = $provider->buildLoginForm($this);
} else {
$not_buttons[] = $provider->buildLoginForm($this);
}
}
$out = array();
$out[] = $not_buttons;
if ($are_buttons) {
require_celerity_resource('auth-css');
foreach ($are_buttons as $key => $button) {
$are_buttons[$key] = phutil_tag(
'div',
array(
'class' => 'phabricator-login-button mmb',
),
$button);
}
// If we only have one button, add a second pretend button so that we
// always have two columns. This makes it easier to get the alignments
// looking reasonable.
if (count($are_buttons) == 1) {
$are_buttons[] = null;
}
$button_columns = id(new AphrontMultiColumnView())
->setFluidLayout(true);
$are_buttons = array_chunk($are_buttons, ceil(count($are_buttons) / 2));
foreach ($are_buttons as $column) {
$button_columns->addColumn($column);
}
$out[] = phutil_tag(
'div',
array(
'class' => 'phabricator-login-buttons',
),
$button_columns);
}
$login_message = PhabricatorEnv::getEnvConfig('auth.login-message');
$login_message = phutil_safe_html($login_message);
$crumbs = $this->buildApplicationCrumbs();
$crumbs->addCrumb(
id(new PhabricatorCrumbView())
->setName(pht('Login')));
return $this->buildApplicationPage(
array(
$crumbs,
$login_message,
$out,
),
array(
'title' => pht('Login to Phabricator'),
'device' => true,
'dust' => true,
));
}
private function processAjaxRequest() {
$request = $this->getRequest();
$viewer = $request->getViewer();
// We end up here if the user clicks a workflow link that they need to
// login to use. We give them a dialog saying "You need to login...".
if ($request->isDialogFormPost()) {
return id(new AphrontRedirectResponse())->setURI(
$request->getRequestURI());
}
$dialog = new AphrontDialogView();
$dialog->setUser($viewer);
$dialog->setTitle(pht('Login Required'));
$dialog->appendChild(pht('You must login to continue.'));
$dialog->addSubmitButton(pht('Login'));
$dialog->addCancelButton('/');
return id(new AphrontDialogResponse())->setDialog($dialog);
}
private function processConduitRequest() {
$request = $this->getRequest();
$viewer = $request->getViewer();
// 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 = pht(
'ERROR: You are making a Conduit API request to "%s", but the correct '.
'HTTP request path to use in order to access a COnduit method is "%s" '.
'(for example, "%s"). Check your configuration.',
$request_path,
$conduit_path,
$example_path);
return id(new AphrontPlainTextResponse())->setContent($message);
}
protected function renderError($message) {
return $this->renderErrorPage(
pht('Authentication Failure'),
array($message));
}
}

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