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phorge/src/aphront/handler/PhabricatorPolicyRequestExceptionHandler.php
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PhabricatorPolicyRequestExceptionHandler.php
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<?php
final class PhabricatorPolicyRequestExceptionHandler
extends PhabricatorRequestExceptionHandler {
public function getRequestExceptionHandlerPriority() {
return 320000;
}
public function getRequestExceptionHandlerDescription() {
return pht(
'Handles policy exceptions which occur when a user tries to '.
'do something they do not have permission to do.');
}
public function canHandleRequestThrowable(
AphrontRequest $request,
$throwable) {
if (!$this->isPhabricatorSite($request)) {
return false;
}
return ($throwable instanceof PhabricatorPolicyException);
}
public function handleRequestThrowable(
AphrontRequest $request,
$throwable) {
$viewer = $this->getViewer($request);
if (!$viewer->isLoggedIn()) {
// If the user isn't logged in, just give them a login form. This is
// probably a generally more useful response than a policy dialog that
// they have to click through to get a login form.
//
// Possibly we should add a header here like "you need to login to see
// the thing you are trying to look at".
$auth_app_class = 'PhabricatorAuthApplication';
$auth_app = PhabricatorApplication::getByClass($auth_app_class);
return id(new PhabricatorAuthStartController())
->setRequest($request)
->setCurrentApplication($auth_app)
->handleRequest($request);
}
$content = array(
phutil_tag(
'div',
array(
'class' => 'aphront-policy-rejection',
),
$throwable->getRejection()),
);
$list = null;
if ($throwable->getCapabilityName()) {
$list = $throwable->getMoreInfo();
foreach ($list as $key => $item) {
$list[$key] = $item;
}
$content[] = phutil_tag(
'div',
array(
'class' => 'aphront-capability-details',
),
pht(
'Users with the "%s" capability:',
$throwable->getCapabilityName()));
}
$dialog = id(new AphrontDialogView())
->setTitle($throwable->getTitle())
->setClass('aphront-access-dialog')
->setUser($viewer)
->appendChild($content);
if ($list) {
$dialog->appendList($list);
}
// If the install is in developer mode, include a stack trace for the
// exception. When debugging things, it isn't always obvious where a
// policy exception came from and this can make it easier to hunt down
// bugs or improve ambiguous/confusing messaging.
$is_developer = PhabricatorEnv::getEnvConfig('phabricator.developer-mode');
if ($is_developer) {
$dialog->appendChild(
id(new AphrontStackTraceView())
->setTrace($throwable->getTrace()));
}
if ($request->isAjax()) {
$dialog->addCancelButton('/', pht('Close'));
} else {
$dialog->addCancelButton('/', pht('OK'));
}
return $dialog;
}
}

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