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+<?php
+/**
+ * @copyright Copyright (c) 2016 Bjoern Schiessle <bjoern@schiessle.org>
+ * @copyright Copyright (c) 2016 Lukas Reschke <lukas@statuscode.ch>
+ *
+ * @author Bjoern Schiessle <bjoern@schiessle.org>
+ * @author Julius Haertl <jus@bitgrid.net>
+ * @author Lukas Reschke <lukas@statuscode.ch>
+ * @author oparoz <owncloud@interfasys.ch>
+ *
+ * @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/>.
+ *
+ */
+
+namespace OCA\Theming\Controller;
+
+use OCA\Theming\Template;
+use OCP\AppFramework\Controller;
+use OCP\AppFramework\Http;
+use OCP\AppFramework\Http\DataResponse;
+use OCP\Files\IRootFolder;
+use OCP\IConfig;
+use OCP\IL10N;
+use OCP\IRequest;
+use OCA\Theming\Util;
+
+/**
+ * Class ThemingController
+ *
+ * handle ajax requests to update the theme
+ *
+ * @package OCA\Theming\Controller
+ */
+class ThemingController extends Controller {
+ /** @var Template */
+ private $template;
+ /** @var IL10N */
+ private $l;
+ /** @var IConfig */
+ private $config;
+ /** @var IRootFolder */
+ private $rootFolder;
+
+ /**
+ * ThemingController constructor.
+ *
+ * @param string $appName
+ * @param IRequest $request
+ * @param IConfig $config
+ * @param Template $template
+ * @param IL10N $l
+ * @param IRootFolder $rootFolder
+ */
+ public function __construct(
+ $appName,
+ IRequest $request,
+ IConfig $config,
+ Template $template,
+ IL10N $l,
+ IRootFolder $rootFolder
+ ) {
+ parent::__construct($appName, $request);
+
+ $this->template = $template;
+ $this->l = $l;
+ $this->config = $config;
+ $this->rootFolder = $rootFolder;
+ }
+
+ /**
+ * @param string $setting
+ * @param string $value
+ * @return DataResponse
+ * @internal param string $color
+ */
+ public function updateStylesheet($setting, $value) {
+ $this->template->set($setting, $value);
+ return new DataResponse(
+ [
+ 'data' =>
+ [
+ 'message' => $this->l->t('Saved')
+ ],
+ 'status' => 'success'
+ ]
+ );
+ }
+
+ /**
+ * Update the logos and background image
+ *
+ * @return DataResponse
+ */
+ public function updateLogo() {
+ $newLogo = $this->request->getUploadedFile('uploadlogo');
+ $newBackgroundLogo = $this->request->getUploadedFile('upload-login-background');
+ if (empty($newLogo) && empty($newBackgroundLogo)) {
+ return new DataResponse(
+ [
+ 'data' => [
+ 'message' => $this->l->t('No file uploaded')
+ ]
+ ],
+ Http::STATUS_UNPROCESSABLE_ENTITY);
+ }
+ $name = '';
+ if(!empty($newLogo)) {
+ $target = $this->rootFolder->newFile('themedinstancelogo');
+ stream_copy_to_stream(fopen($newLogo['tmp_name'], 'r'), $target->fopen('w'));
+ $this->template->set('logoMime', $newLogo['type']);
+ $name = $newLogo['name'];
+ }
+ if(!empty($newBackgroundLogo)) {
+ $target = $this->rootFolder->newFile('themedbackgroundlogo');
+ stream_copy_to_stream(fopen($newBackgroundLogo['tmp_name'], 'r'), $target->fopen('w'));
+ $this->template->set('backgroundMime', $newBackgroundLogo['type']);
+ $name = $newBackgroundLogo['name'];
+ }
+
+ return new DataResponse(
+ [
+ 'data' =>
+ [
+ 'name' => $name,
+ 'message' => $this->l->t('Saved')
+ ],
+ 'status' => 'success'
+ ]
+ );
+ }
+
+ /**
+ * Revert setting to default value
+ *
+ * @param string $setting setting which should be reverted
+ * @return DataResponse
+ */
+ public function undo($setting) {
+ $value = $this->template->undo($setting);
+ return new DataResponse(
+ [
+ 'data' =>
+ [
+ 'value' => $value,
+ 'message' => $this->l->t('Saved')
+ ],
+ 'status' => 'success'
+ ]
+ );
+ }
+
+ /**
+ * @PublicPage
+ * @NoCSRFRequired
+ *
+ * @return Http\StreamResponse
+ */
+ public function getLogo() {
+ $pathToLogo = $this->config->getSystemValue('datadirectory', \OC::$SERVERROOT . '/data/') . '/themedinstancelogo';
+ if(!file_exists($pathToLogo)) {
+ return new DataResponse();
+ }
+
+ \OC_Response::setExpiresHeader(gmdate('D, d M Y H:i:s', time() + (60*60*24*45)) . ' GMT');
+ \OC_Response::enableCaching();
+ $response = new Http\StreamResponse($pathToLogo);
+ $response->cacheFor(3600);
+ $response->addHeader('Content-Disposition', 'attachment');
+ $response->addHeader('Content-Type', $this->config->getAppValue($this->appName, 'logoMime', ''));
+ return $response;
+ }
+
+ /**
+ * @PublicPage
+ * @NoCSRFRequired
+ *
+ * @return Http\StreamResponse
+ */
+ public function getLoginBackground() {
+ $pathToLogo = $this->config->getSystemValue('datadirectory', \OC::$SERVERROOT . '/data/') . '/themedbackgroundlogo';
+ if(!file_exists($pathToLogo)) {
+ return new DataResponse();
+ }
+
+ \OC_Response::setExpiresHeader(gmdate('D, d M Y H:i:s', time() + (60*60*24*45)) . ' GMT');
+ \OC_Response::enableCaching();
+ $response = new Http\StreamResponse($pathToLogo);
+ $response->cacheFor(3600);
+ $response->addHeader('Content-Disposition', 'attachment');
+ $response->addHeader('Content-Type', $this->config->getAppValue($this->appName, 'backgroundMime', ''));
+ return $response;
+ }
+
+ /**
+ * @NoCSRFRequired
+ * @PublicPage
+ *
+ * @return Http\DataDownloadResponse
+ */
+ public function getStylesheet() {
+ $cacheBusterValue = $this->config->getAppValue('theming', 'cachebuster', '0');
+ $responseCss = '';
+ $color = $this->config->getAppValue($this->appName, 'color');
+ $elementColor = Util::elementColor($color);
+ if($color !== '') {
+ $responseCss .= sprintf(
+ '#body-user #header,#body-settings #header,#body-public #header,#body-login,.searchbox input[type="search"]:focus,.searchbox input[type="search"]:active,.searchbox input[type="search"]:valid {background-color: %s}' . "\n",
+ $color
+ );
+ $responseCss .= sprintf('input[type="checkbox"].checkbox:checked:enabled:not(.checkbox--white) + label:before {' .
+ 'background-image:url(\'%s/core/img/actions/checkmark-white.svg\');' .
+ 'background-color: %s; background-position: center center; background-size:contain;' .
+ 'width:12px; height:12px; padding:0; margin:2px 6px 6px 2px; border-radius:1px;' .
+ "}\n",
+ \OC::$WEBROOT,
+ $elementColor
+ );
+ $responseCss .= 'input[type="radio"].radio:checked:not(.radio--white):not(:disabled) + label:before {' .
+ 'background-image: url(\'data:image/svg+xml;base64,'.Util::generateRadioButton($elementColor).'\');' .
+ "}\n";
+ $responseCss .= '
+ #firstrunwizard .firstrunwizard-header {
+ background-color: ' . $color . ';
+ }
+ #firstrunwizard p a {
+ color: ' . $color . ';
+ }
+ ';
+
+ }
+ $logo = $this->config->getAppValue($this->appName, 'logoMime');
+ if($logo !== '') {
+ $responseCss .= sprintf(
+ '#header .logo {' .
+ 'background-image: url(\'./logo?v='.$cacheBusterValue.'\')' .
+ 'background-size: contain;' .
+ '}' . "\n" .
+ '#header .logo-icon {' .
+ 'background-image: url(\'./logo?v='.$cacheBusterValue.'\');' .
+ 'background-size: contain;' .
+ '}' . "\n" .
+ '#firstrunwizard .firstrunwizard-header .logo {' .
+ 'background-image: url(\'./logo?v='.$cacheBusterValue.'\');' .
+ 'background-size: contain;' .
+ '}' . "\n"
+ );
+ }
+ $backgroundLogo = $this->config->getAppValue($this->appName, 'backgroundMime');
+ if($backgroundLogo !== '') {
+ $responseCss .= '#body-login {background-image: url(\'./loginbackground?v='.$cacheBusterValue.'\');}' . "\n";
+ $responseCss .= '#firstrunwizard .firstrunwizard-header {' .
+ 'background-image: url(\'./loginbackground?v='.$cacheBusterValue.'\');' .
+ '}' . "\n";
+ }
+ if(Util::invertTextColor($color)) {
+ $responseCss .= '#header .header-appname, #expandDisplayName { color: #000000; }' . "\n";
+ $responseCss .= '#header .icon-caret { background-image: url(\'' . \OC::$WEBROOT . '/core/img/actions/caret-dark.svg\'); }' . "\n";
+ $responseCss .= '.searchbox input[type="search"] { background: transparent url(\'' . \OC::$WEBROOT . '/core/img/actions/search.svg\') no-repeat 6px center; color: #000; }' . "\n";
+ $responseCss .= '.searchbox input[type="search"]:focus,.searchbox input[type="search"]:active,.searchbox input[type="search"]:valid { color: #000; border: 1px solid rgba(0, 0, 0, .5); }' . "\n";
+ }
+
+ \OC_Response::setExpiresHeader(gmdate('D, d M Y H:i:s', time() + (60*60*24*45)) . ' GMT');
+ \OC_Response::enableCaching();
+ $response = new Http\DataDownloadResponse($responseCss, 'style', 'text/css');
+ $response->cacheFor(3600);
+ return $response;
+ }
+}
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