289 lines
8.2 KiB
PHP
289 lines
8.2 KiB
PHP
<?php
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/**
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* @copyright Copyright (c) 2016 Julius Haertl <jus@bitgrid.net>
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*
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* @author Julius Haertl <jus@bitgrid.net>
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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namespace OCA\Theming\Controller;
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use OCA\Theming\Template;
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use OCA\Theming\ThemingDefaults;
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use OCP\AppFramework\Controller;
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use OCP\AppFramework\Http;
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use OCP\AppFramework\Http\DataResponse;
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use OCP\AppFramework\Http\DataDisplayResponse;
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use OCP\AppFramework\Http\StreamResponse;
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use OCP\AppFramework\Utility\ITimeFactory;
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use OCP\Files\IRootFolder;
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use OCP\IConfig;
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use OCP\IL10N;
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use OCP\IRequest;
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use OCA\Theming\Util;
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use OCP\IURLGenerator;
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use Imagick;
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use ImagickPixel;
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class IconController extends Controller {
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/** @var ThemingDefaults */
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private $themingDefaults;
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/** @var Util */
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private $util;
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/** @var ITimeFactory */
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private $timeFactory;
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/** @var IL10N */
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private $l;
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/** @var IConfig */
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private $config;
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/** @var IRootFolder */
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private $rootFolder;
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/**
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* IconController constructor.
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*
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* @param string $appName
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* @param IRequest $request
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* @param IConfig $config
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* @param ThemingDefaults $themingDefaults
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* @param Util $util
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* @param ITimeFactory $timeFactory
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* @param IL10N $l
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* @param IRootFolder $rootFolder
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*/
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public function __construct(
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$appName,
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IRequest $request,
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IConfig $config,
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ThemingDefaults $themingDefaults,
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Util $util,
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ITimeFactory $timeFactory,
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IL10N $l,
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IRootFolder $rootFolder
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) {
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parent::__construct($appName, $request);
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$this->themingDefaults = $themingDefaults;
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$this->util = $util;
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$this->timeFactory = $timeFactory;
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$this->l = $l;
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$this->config = $config;
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$this->rootFolder = $rootFolder;
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}
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/**
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* @PublicPage
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* @NoCSRFRequired
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*
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* @param $app app name
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* @param $image image file name
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* @return StreamResponse|DataResponse
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*/
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public function getThemedIcon($app, $image) {
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$image = $this->getAppImage($app, $image);
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$svg = file_get_contents($image);
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$color = $this->util->elementColor($this->themingDefaults->getMailHeaderColor());
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$svg = $this->colorizeSvg($svg, $color);
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$response = new DataDisplayResponse($svg, Http::STATUS_OK, ['Content-Type' => 'image/svg+xml']);
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$response->cacheFor(86400);
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$response->addHeader('Expires', date(\DateTime::RFC2822, $this->timeFactory->getTime()));
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return $response;
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}
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/**
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* Return a 32x32 favicon as png
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*
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* @PublicPage
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* @NoCSRFRequired
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*
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* @param $app app name
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* @return StreamResponse|DataResponse
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*/
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public function getFavicon($app="core") {
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$icon = $this->renderAppIcon($app);
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$icon->resizeImage(32, 32, Imagick::FILTER_LANCZOS, 1);
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$icon->setImageFormat("png24");
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$response = new DataDisplayResponse($icon, Http::STATUS_OK, ['Content-Type' => 'image/x-icon']);
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$response->cacheFor(86400);
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$response->addHeader('Expires', date(\DateTime::RFC2822, $this->timeFactory->getTime()));
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return $response;
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}
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/**
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* Return a 512x512 icon for touch devices
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*
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* @PublicPage
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* @NoCSRFRequired
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*
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* @param $app app name
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* @return StreamResponse|DataResponse
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*/
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public function getTouchIcon($app="core") {
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$icon = $this->renderAppIcon($app);
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$icon->setImageFormat("png24");
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$response = new DataDisplayResponse($icon, Http::STATUS_OK, ['Content-Type' => 'image/png']);
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$response->cacheFor(86400);
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$response->addHeader('Expires', date(\DateTime::RFC2822, $this->timeFactory->getTime()));
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return $response;
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}
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/**
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* Render app icon on themed background color
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* fallback to logo
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*
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* @param $app app name
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* @return Imagick
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*/
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private function renderAppIcon($app) {
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$appIcon = $this->getAppIcon($app);
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$color = $this->themingDefaults->getMailHeaderColor();
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$mime = mime_content_type($appIcon);
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// FIXME: test if we need this
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if ($color === "") {
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$color = '#0082c9';
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}
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// generate background image with rounded corners
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$background = '<?xml version="1.0" encoding="UTF-8"?>' .
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'<svg xmlns="http://www.w3.org/2000/svg" version="1.1" xmlns:cc="http://creativecommons.org/ns#" width="512" height="512" xmlns:xlink="http://www.w3.org/1999/xlink">' .
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'<rect x="0" y="0" rx="75" ry="75" width="512" height="512" style="fill:' . $color . ';" />' .
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'</svg>';
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// resize svg magic as this seems broken in Imagemagick
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if($mime === "image/svg+xml") {
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$svg = file_get_contents($appIcon);
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$tmp = new Imagick();
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$tmp->readImageBlob($svg);
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$x = $tmp->getImageWidth();
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$y = $tmp->getImageHeight();
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$res = $tmp->getImageResolution();
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$tmp->destroy();
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// convert svg to resized image
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$appIconFile = new Imagick();
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$resX = (int)(512 * $res['x'] / $x * 2.53);
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$resY = (int)(512 * $res['y'] / $y * 2.53);
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$appIconFile->setResolution($resX, $resY);
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$appIconFile->setBackgroundColor(new ImagickPixel('transparent'));
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$appIconFile->readImageBlob($svg);
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} else {
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$appIconFile = new Imagick();
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$appIconFile->setBackgroundColor(new ImagickPixel('transparent'));
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$appIconFile->readImageBlob(file_get_contents($appIcon));
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$appIconFile->scaleImage(512, 512, true);
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}
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// offset for icon positioning
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$border_w = (int)($appIconFile->getImageWidth() * 0.05);
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$border_h = (int)($appIconFile->getImageHeight() * 0.05);
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$innerWidth = (int)($appIconFile->getImageWidth() - $border_w * 2);
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$innerHeight = (int)($appIconFile->getImageHeight() - $border_h * 2);
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$appIconFile->adaptiveResizeImage($innerWidth, $innerHeight);
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// center icon
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$offset_w = 512 / 2 - $innerWidth / 2;
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$offset_h = 512 / 2 - $innerHeight / 2;
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$appIconFile->setImageFormat("png24");
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$finalIconFile = new Imagick();
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$finalIconFile->readImageBlob($background);
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$finalIconFile->setImageVirtualPixelMethod(Imagick::VIRTUALPIXELMETHOD_TRANSPARENT);
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$finalIconFile->setImageArtifact('compose:args', "1,0,-0.5,0.5");
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$finalIconFile->compositeImage($appIconFile, Imagick::COMPOSITE_ATOP, $offset_w, $offset_h);
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$finalIconFile->resizeImage(512, 512, Imagick::FILTER_LANCZOS, 1);
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$appIconFile->destroy();
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return $finalIconFile;
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}
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/**
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* @param $app app name
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* @return string path to app icon / logo
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*/
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private function getAppIcon($app) {
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$appPath = \OC_App::getAppPath($app);
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$icon = $appPath . '/img/' . $app . '.svg';
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if(file_exists($icon)) {
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return $icon;
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}
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$icon = $appPath . '/img/app.svg';
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if(file_exists($icon)) {
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return $icon;
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}
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if($this->rootFolder->nodeExists('/themedinstancelogo')) {
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return $this->config->getSystemValue('datadirectory', \OC::$SERVERROOT . '/data/') . '/themedinstancelogo';
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}
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return \OC::$SERVERROOT . '/core/img/logo.svg';
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}
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/**
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* @param $app app name
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* @param $image relative path to image in app folder
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* @return string absolute path to image
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*/
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private function getAppImage($app, $image) {
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$appPath = \OC_App::getAppPath($app);
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if($app==="core") {
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$icon = \OC::$SERVERROOT . '/core/img/' . $image;
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if(file_exists($icon)) {
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return $icon;
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}
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}
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$icon = $appPath . '/img/' . $image;
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if(file_exists($icon)) {
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return $icon;
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}
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$icon = $appPath . '/img/' . $image . '.svg';
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if(file_exists($icon)) {
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return $icon;
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}
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$icon = $appPath . '/img/' . $image . '.png';
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if(file_exists($icon)) {
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return $icon;
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}
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$icon = $appPath . '/img/' . $image . '.gif';
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if(file_exists($icon)) {
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return $icon;
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}
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$icon = $appPath . '/img/' . $image . '.jpg';
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if(file_exists($icon)) {
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return $icon;
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}
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return false;
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}
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/**
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* replace default color with a custom one
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*
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* @param $svg content of a svg file
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* @param $color color to match
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* @return string
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*/
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private function colorizeSvg($svg, $color) {
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$svg = preg_replace('/#0082c9/i', $color, $svg);
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return $svg;
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}
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} |