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	diff --git a/src/applications/phragment/controller/PhragmentController.php b/src/applications/phragment/controller/PhragmentController.php
	index 675a1c6722..25ebd6a5ae 100644
	--- a/src/applications/phragment/controller/PhragmentController.php
	+++ b/src/applications/phragment/controller/PhragmentController.php
	@@ -1,233 +1,233 @@
	<?php

	abstract class PhragmentController extends PhabricatorController {

	protected function loadParentFragments($path) {
	$components = explode('/', $path);

	$combinations = array();
	$current = '';
	foreach ($components as $component) {
	$current .= '/'.$component;
	$current = trim($current, '/');
	if (trim($current) === '') {
	continue;
	}

	$combinations[] = $current;
	}

	$fragments = array();
	$results = id(new PhragmentFragmentQuery())
	->setViewer($this->getRequest()->getUser())
	->needLatestVersion(true)
	->withPaths($combinations)
	->execute();
	foreach ($combinations as $combination) {
	$found = false;
	foreach ($results as $fragment) {
	if ($fragment->getPath() === $combination) {
	$fragments[] = $fragment;
	$found = true;
	break;
	}
	}
	if (!$found) {
	return null;
	}
	}
	return $fragments;
	}

	protected function buildApplicationCrumbsWithPath(array $fragments) {
	$crumbs = $this->buildApplicationCrumbs();
	$crumbs->addTextCrumb('/', '/phragment/');
	foreach ($fragments as $parent) {
	$crumbs->addTextCrumb(
	$parent->getName(),
	'/phragment/browse/'.$parent->getPath());
	}
	return $crumbs;
	}

	protected function createCurrentFragmentView($fragment, $is_history_view) {
	if ($fragment === null) {
	return null;
	}

	$viewer = $this->getRequest()->getUser();

	$phids = array();
	$phids[] = $fragment->getLatestVersionPHID();

	$snapshot_phids = array();
	$snapshots = id(new PhragmentSnapshotQuery())
	->setViewer($viewer)
	->withPrimaryFragmentPHIDs(array($fragment->getPHID()))
	->execute();
	foreach ($snapshots as $snapshot) {
	$phids[] = $snapshot->getPHID();
	$snapshot_phids[] = $snapshot->getPHID();
	}

	$this->loadHandles($phids);

	$file = null;
	$file_uri = null;
	if (!$fragment->isDirectory()) {
	$file = id(new PhabricatorFileQuery())
	->setViewer($viewer)
	->withPHIDs(array($fragment->getLatestVersion()->getFilePHID()))
	->executeOne();
	if ($file !== null) {
	$file_uri = $file->getDownloadURI();
	}
	}

	$header = id(new PHUIHeaderView())
	->setHeader($fragment->getName())
	->setPolicyObject($fragment)
	->setUser($viewer);

	$can_edit = PhabricatorPolicyFilter::hasCapability(
	$viewer,
	$fragment,
	PhabricatorPolicyCapability::CAN_EDIT);

	$zip_uri = $this->getApplicationURI('zip/'.$fragment->getPath());

	$actions = id(new PhabricatorActionListView())
	->setUser($viewer)
	->setObject($fragment)
	->setObjectURI($fragment->getURI());
	$actions->addAction(
	id(new PhabricatorActionView())
	->setName(pht('Download Fragment'))
	->setHref($this->isCorrectlyConfigured() ? $file_uri : null)
	->setDisabled($file === null \|\| !$this->isCorrectlyConfigured())
	->setIcon('fa-download'));
	$actions->addAction(
	id(new PhabricatorActionView())
	->setName(pht('Download Contents as ZIP'))
	->setHref($this->isCorrectlyConfigured() ? $zip_uri : null)
	->setDisabled(!$this->isCorrectlyConfigured())
	->setIcon('fa-floppy-o'));
	if (!$fragment->isDirectory()) {
	$actions->addAction(
	id(new PhabricatorActionView())
	->setName(pht('Update Fragment'))
	->setHref($this->getApplicationURI('update/'.$fragment->getPath()))
	->setDisabled(!$can_edit)
	->setWorkflow(!$can_edit)
	->setIcon('fa-refresh'));
	} else {
	$actions->addAction(
	id(new PhabricatorActionView())
	->setName(pht('Convert to File'))
	->setHref($this->getApplicationURI('update/'.$fragment->getPath()))
	->setDisabled(!$can_edit)
	->setWorkflow(!$can_edit)
	->setIcon('fa-file-o'));
	}
	$actions->addAction(
	id(new PhabricatorActionView())
	->setName(pht('Set Fragment Policies'))
	->setHref($this->getApplicationURI('policy/'.$fragment->getPath()))
	->setDisabled(!$can_edit)
	->setWorkflow(!$can_edit)
	->setIcon('fa-asterisk'));
	if ($is_history_view) {
	$actions->addAction(
	id(new PhabricatorActionView())
	->setName(pht('View Child Fragments'))
	->setHref($this->getApplicationURI('browse/'.$fragment->getPath()))
	->setIcon('fa-search-plus'));
	} else {
	$actions->addAction(
	id(new PhabricatorActionView())
	->setName(pht('View History'))
	->setHref($this->getApplicationURI('history/'.$fragment->getPath()))
	->setIcon('fa-list'));
	}
	$actions->addAction(
	id(new PhabricatorActionView())
	->setName(pht('Create Snapshot'))
	->setHref($this->getApplicationURI(
	'snapshot/create/'.$fragment->getPath()))
	->setDisabled(!$can_edit)
	->setWorkflow(!$can_edit)
	->setIcon('fa-files-o'));
	$actions->addAction(
	id(new PhabricatorActionView())
	->setName(pht('Promote Snapshot to Here'))
	->setHref($this->getApplicationURI(
	'snapshot/promote/latest/'.$fragment->getPath()))
	->setWorkflow(true)
	->setDisabled(!$can_edit)
	->setIcon('fa-arrow-circle-up'));

	$properties = id(new PHUIPropertyListView())
	->setUser($viewer)
	->setObject($fragment)
	->setActionList($actions);

	if (!$fragment->isDirectory()) {
	if ($fragment->isDeleted()) {
	$properties->addProperty(
	pht('Type'),
	pht('File (Deleted)'));
	} else {
	$properties->addProperty(
	pht('Type'),
	pht('File'));
	}
	$properties->addProperty(
	pht('Latest Version'),
	$this->renderHandlesForPHIDs(array($fragment->getLatestVersionPHID())));
	} else {
	$properties->addProperty(
	pht('Type'),
	pht('Directory'));
	}

	if (count($snapshot_phids) > 0) {
	$properties->addProperty(
	pht('Snapshots'),
	$this->renderHandlesForPHIDs($snapshot_phids));
	}

	return id(new PHUIObjectBoxView())
	->setHeader($header)
	->addPropertyList($properties);
	}

	function renderConfigurationWarningIfRequired() {
	$alt = PhabricatorEnv::getEnvConfig('security.alternate-file-domain');
	if ($alt === null) {
	return id(new AphrontErrorView())
	->setTitle(pht('security.alternate-file-domain must be configured!'))
	->setSeverity(AphrontErrorView::SEVERITY_ERROR)
	->appendChild(phutil_tag('p', array(), pht(
	'Because Phragment generates files (such as ZIP archives and '.
	'patches) as they are requested, it requires that you configure '.
	- 'the `security.alterate-file-domain` option. This option on it\'s '.
	+ 'the `security.alternate-file-domain` option. This option on it\'s '.
	'own will also provide additional security when serving files '.
	'across Phabricator.')));
	}
	return null;
	}

	/**
	* We use this to disable the download links if the alternate domain is
	* not configured correctly. Although the download links will mostly work
	* for logged in users without an alternate domain, the behaviour is
	* reasonably non-consistent and will deny public users, even if policies
	* are configured otherwise (because the Files app does not support showing
	* the info page to viewers who are not logged in).
	*/
	function isCorrectlyConfigured() {
	$alt = PhabricatorEnv::getEnvConfig('security.alternate-file-domain');
	return $alt !== null;
	}

	}

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