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phab/src/applications/calendar/controller/PhabricatorCalendarExportICSController.php
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PhabricatorCalendarExportICSController.php
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<?php
final class PhabricatorCalendarExportICSController
extends PhabricatorCalendarController {
public function shouldRequireLogin() {
// Export URIs are available if you know the secret key. We can't do any
// other kind of authentication because third-party applications like
// Google Calendar and Calendar.app need to be able to fetch these URIs.
return false;
}
public function handleRequest(AphrontRequest $request) {
$omnipotent = PhabricatorUser::getOmnipotentUser();
// NOTE: We're using the omnipotent viewer to fetch the export, but the
// URI must contain the secret key. Once we load the export we'll figure
// out who the effective viewer is.
$export = id(new PhabricatorCalendarExportQuery())
->setViewer($omnipotent)
->withSecretKeys(array($request->getURIData('secretKey')))
->executeOne();
if (!$export) {
return new Aphront404Response();
}
$author = id(new PhabricatorPeopleQuery())
->setViewer($omnipotent)
->withPHIDs(array($export->getAuthorPHID()))
->needUserSettings(true)
->executeOne();
if (!$author) {
return new Aphront404Response();
}
$mode = $export->getPolicyMode();
switch ($mode) {
case PhabricatorCalendarExport::MODE_PUBLIC:
$viewer = new PhabricatorUser();
break;
case PhabricatorCalendarExport::MODE_PRIVILEGED:
$viewer = $author;
break;
default:
throw new Exception(
pht(
'This export has an invalid mode ("%s").',
$mode));
}
$engine = id(new PhabricatorCalendarEventSearchEngine())
->setViewer($viewer);
$query_key = $export->getQueryKey();
$saved = id(new PhabricatorSavedQueryQuery())
->setViewer($omnipotent)
->withEngineClassNames(array(get_class($engine)))
->withQueryKeys(array($query_key))
->executeOne();
if (!$saved) {
$saved = $engine->buildSavedQueryFromBuiltin($query_key);
}
if (!$saved) {
return new Aphront404Response();
}
$saved = clone $saved;
// Mark this as a query for export, so we get the correct ghost/recurring
// behaviors. We also want to load all matching events.
$saved->setParameter('export', true);
$saved->setParameter('limit', 0xFFFF);
// Remove any range constraints. We always export all matching events into
// ICS files.
$saved->setParameter('rangeStart', null);
$saved->setParameter('rangeEnd', null);
$saved->setParameter('upcoming', null);
$query = $engine->buildQueryFromSavedQuery($saved);
$events = $query
->setViewer($viewer)
->execute();
return $this->newICSResponse(
$viewer,
$export->getICSFilename(),
$events);
}
}
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