nextcloud/apps/theming/lib/ThemingDefaults.php

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<?php
/**
* @copyright Copyright (c) 2016 Bjoern Schiessle <bjoern@schiessle.org>
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*
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* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
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namespace OCA\Theming;
use OCP\ICacheFactory;
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use OCP\IConfig;
use OCP\IL10N;
use OCP\IURLGenerator;
use OCP\Files\IRootFolder;
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class ThemingDefaults extends \OC_Defaults {
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/** @var IConfig */
private $config;
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/** @var IL10N */
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private $l;
/** @var IURLGenerator */
private $urlGenerator;
/** @var IRootFolder */
private $rootFolder;
/** @var ICacheFactory */
private $cacheFactory;
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/** @var string */
private $name;
/** @var string */
private $url;
/** @var string */
private $slogan;
/** @var string */
private $color;
/**
* ThemingDefaults constructor.
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*
* @param IConfig $config
* @param IL10N $l
* @param IURLGenerator $urlGenerator
* @param \OC_Defaults $defaults
* @param IRootFolder $rootFolder
* @param ICacheFactory $cacheFactory
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*/
public function __construct(IConfig $config,
IL10N $l,
IURLGenerator $urlGenerator,
\OC_Defaults $defaults,
IRootFolder $rootFolder,
ICacheFactory $cacheFactory
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) {
parent::__construct();
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$this->config = $config;
$this->l = $l;
$this->urlGenerator = $urlGenerator;
$this->rootFolder = $rootFolder;
$this->cacheFactory = $cacheFactory;
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$this->name = $defaults->getName();
$this->url = $defaults->getBaseUrl();
$this->slogan = $defaults->getSlogan();
$this->color = $defaults->getMailHeaderColor();
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}
public function getName() {
return $this->config->getAppValue('theming', 'name', $this->name);
}
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public function getHTMLName() {
return $this->config->getAppValue('theming', 'name', $this->name);
}
public function getTitle() {
return $this->config->getAppValue('theming', 'name', $this->name);
}
public function getEntity() {
return $this->config->getAppValue('theming', 'name', $this->name);
}
public function getBaseUrl() {
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return $this->config->getAppValue('theming', 'url', $this->url);
}
public function getSlogan() {
return $this->config->getAppValue('theming', 'slogan', $this->slogan);
}
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public function getShortFooter() {
$slogan = $this->getSlogan();
$footer = '<a href="'. $this->getBaseUrl() . '" target="_blank"' .
' rel="noreferrer">' .$this->getEntity() . '</a>'.
($slogan !== '' ? ' ' . $slogan : '');
return $footer;
}
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/**
* Color that is used for the header as well as for mail headers
*
* @return string
*/
public function getMailHeaderColor() {
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return $this->config->getAppValue('theming', 'color', $this->color);
}
/**
* Themed logo url
*
* @return string
*/
public function getLogo() {
$logo = $this->config->getAppValue('theming', 'logoMime');
if(!$logo || !$this->rootFolder->nodeExists('/themedinstancelogo')) {
return $this->urlGenerator->imagePath('core','logo.svg');
} else {
return $this->urlGenerator->linkToRoute('theming.Theming.getLogo');
}
}
/**
* Themed background image url
*
* @return string
*/
public function getBackground() {
$backgroundLogo = $this->config->getAppValue('theming', 'backgroundMime');
if(!$backgroundLogo || !$this->rootFolder->nodeExists('/themedbackgroundlogo')) {
return $this->urlGenerator->imagePath('core','background.jpg');
} else {
return $this->urlGenerator->linkToRoute('theming.Theming.getLoginBackground');
}
}
/**
* Check if Imagemagick is enabled and if SVG is supported
* otherwise we can't render custom icons
*
* @return bool
*/
public function shouldReplaceIcons() {
$cache = $this->cacheFactory->create('theming');
if($value = $cache->get('shouldReplaceIcons')) {
return (bool)$value;
}
$value = false;
if(extension_loaded('imagick')) {
$checkImagick = new \Imagick();
if (count($checkImagick->queryFormats('SVG')) >= 1) {
$value = true;
}
$checkImagick->clear();
}
$cache->set('shouldReplaceIcons', $value);
return $value;
}
/**
* Increases the cache buster key
*/
private function increaseCacheBuster() {
$cacheBusterKey = $this->config->getAppValue('theming', 'cachebuster', '0');
$this->config->setAppValue('theming', 'cachebuster', (int)$cacheBusterKey+1);
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}
/**
* Update setting in the database
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*
* @param string $setting
* @param string $value
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*/
public function set($setting, $value) {
$this->config->setAppValue('theming', $setting, $value);
$this->increaseCacheBuster();
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}
/**
* Revert settings to the default value
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*
* @param string $setting setting which should be reverted
* @return string default value
*/
public function undo($setting) {
$this->config->deleteAppValue('theming', $setting);
$this->increaseCacheBuster();
switch ($setting) {
case 'name':
$returnValue = $this->getEntity();
break;
case 'url':
$returnValue = $this->getBaseUrl();
break;
case 'slogan':
$returnValue = $this->getSlogan();
break;
case 'color':
$returnValue = $this->getMailHeaderColor();
break;
default:
$returnValue = '';
break;
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}
return $returnValue;
}
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}