PhabricatorCustomLogoConfigType.php
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	<?php

	final class PhabricatorCustomLogoConfigType
	extends PhabricatorConfigOptionType {

	public static function getLogoImagePHID() {
	$logo = PhabricatorEnv::getEnvConfig('ui.logo');
	return idx($logo, 'logoImagePHID');
	}

	public static function getLogoWordmark() {
	$logo = PhabricatorEnv::getEnvConfig('ui.logo');
	return idx($logo, 'wordmarkText');
	}

	/**
	* Return the full URI of the Phorge logo
	* @param PhabricatorUser $viewer Current viewer
	* @return string Full URI of the Phorge logo
	*/
	public static function getLogoURI(PhabricatorUser $viewer) {
	$logo_uri = null;

	$custom_header = self::getLogoImagePHID();
	if ($custom_header) {
	$cache = PhabricatorCaches::getImmutableCache();
	$cache_key_logo = 'ui.custom-header.logo-phid.v3.'.$custom_header;
	$logo_uri = $cache->getKey($cache_key_logo);

	if (!$logo_uri) {
	// NOTE: If the file policy has been changed to be restrictive, we'll
	// miss here and just show the default logo. The cache will fill later
	// when someone who can see the file loads the page. This might be a
	// little spooky, see T11982.
	$files = id(new PhabricatorFileQuery())
	->setViewer($viewer)
	->withPHIDs(array($custom_header))
	->execute();
	$file = head($files);
	if ($file) {
	$logo_uri = $file->getViewURI();
	$cache->setKey($cache_key_logo, $logo_uri);
	}
	}
	}

	if (!$logo_uri) {
	$logo_uri =
	celerity_get_resource_uri('/rsrc/image/logo/project-logo.png');
	}

	return $logo_uri;
	}

	public function validateOption(PhabricatorConfigOption $option, $value) {
	if (!is_array($value)) {
	throw new Exception(
	pht(
	'Logo configuration is not valid: value must be a dictionary.'));
	}

	PhutilTypeSpec::checkMap(
	$value,
	array(
	'logoImagePHID' => 'optional string\|null',
	'wordmarkText' => 'optional string\|null',
	));
	}

	public function readRequest(
	PhabricatorConfigOption $option,
	AphrontRequest $request) {

	$viewer = $request->getViewer();
	$view_policy = PhabricatorPolicies::POLICY_PUBLIC;

	if ($request->getBool('removeLogo')) {
	$logo_image_phid = null;
	} else if ($request->getFileExists('logoImage')) {
	$logo_image = PhabricatorFile::newFromPHPUpload(
	idx($_FILES, 'logoImage'),
	array(
	'name' => 'logo',
	'authorPHID' => $viewer->getPHID(),
	'viewPolicy' => $view_policy,
	'canCDN' => true,
	'isExplicitUpload' => true,
	));
	$logo_image_phid = $logo_image->getPHID();
	} else {
	$logo_image_phid = self::getLogoImagePHID();
	}

	$wordmark_text = $request->getStr('wordmarkText');

	$value = array(
	'logoImagePHID' => $logo_image_phid,
	'wordmarkText' => $wordmark_text,
	);

	$errors = array();
	$e_value = null;

	try {
	$this->validateOption($option, $value);
	} catch (Exception $ex) {
	$e_value = pht('Invalid');
	$errors[] = $ex->getMessage();
	$value = array();
	}

	return array($e_value, $errors, $value, phutil_json_encode($value));
	}

	public function renderControls(
	PhabricatorConfigOption $option,
	$display_value,
	$e_value) {

	try {
	$value = phutil_json_decode($display_value);
	} catch (Exception $ex) {
	$value = array();
	}

	$logo_image_phid = idx($value, 'logoImagePHID');
	$wordmark_text = idx($value, 'wordmarkText');

	$controls = array();

	// TODO: This should be a PHUIFormFileControl, but that currently only
	// works in "workflow" forms. It isn't trivial to convert this form into
	// a workflow form, nor is it trivial to make the newer control work
	// in non-workflow forms.
	$controls[] = id(new AphrontFormFileControl())
	->setName('logoImage')
	->setLabel(pht('Logo Image'));

	if ($logo_image_phid) {
	$controls[] = id(new AphrontFormCheckboxControl())
	->addCheckbox(
	'removeLogo',
	1,
	pht('Remove Custom Logo'));
	}

	$controls[] = id(new AphrontFormTextControl())
	->setName('wordmarkText')
	->setLabel(pht('Wordmark'))
	->setPlaceholder(PlatformSymbols::getPlatformServerName())
	->setValue($wordmark_text);

	return $controls;
	}


	}

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