Fixed icons detection and caching

Signed-off-by: John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>

apps/accessibility/lib/Controller/AccessibilityController.php

@@ -36,7 +36,7 @@ use OCP\IRequest;
 use OCP\IURLGenerator;
 use OCP\IUserManager;
 use OCP\IUserSession;
-use OC\Template\SCSSCacher;
+use OC\Template\IconsCacher;
 
 class AccessibilityController extends Controller {
 
@@ -67,6 +67,9 @@ class AccessibilityController extends Controller {
 	/** @var IAppManager */
 	private $appManager;
 
+	/** @var IconsCacher */
+	protected $iconsCacher;
+
 	/**
 	 * Account constructor.
 	 *
@@ -88,7 +91,8 @@ class AccessibilityController extends Controller {
 								IURLGenerator $urlGenerator,
 								ITimeFactory $timeFactory,
 								IUserSession $userSession,
-								IAppManager $appManager) {
+								IAppManager $appManager,
+								IconsCacher $iconsCacher) {
 		parent::__construct($appName, $request);
 		$this->appName      = $appName;
 		$this->config       = $config;
@@ -98,6 +102,7 @@ class AccessibilityController extends Controller {
 		$this->timeFactory  = $timeFactory;
 		$this->userSession  = $userSession;
 		$this->appManager   = $appManager;
+		$this->iconsCacher  = $iconsCacher;
 
 		$this->serverRoot = \OC::$SERVERROOT;
 		$this->appRoot    = $this->appManager->getAppPath($this->appName);
@@ -148,7 +153,12 @@ class AccessibilityController extends Controller {
 
 		// Rebase all urls
 		$appWebRoot = substr($this->appRoot, strlen($this->serverRoot) - strlen(\OC::$WEBROOT));
-		$css = $this->rebaseUrls($css, $appWebRoot . '/css');
+		$css        = $this->rebaseUrls($css, $appWebRoot . '/css');
+
+		if ($this->iconsCacher->getCachedCSS() && $this->iconsCacher->getCachedCSS()->getSize() > 0) {
+			$iconsCss = $this->invertSvgIconsColor($this->iconsCacher->getCachedCSS()->getContent());
+			$css = $css . $iconsCss;
+		}
 
 		$response = new DataDisplayResponse($css, Http::STATUS_OK, ['Content-Type' => 'text/css']);
 
@@ -200,4 +210,14 @@ class AccessibilityController extends Controller {
 
 		return preg_replace($re, $subst, $css);
 	}
+
+	/**
+	 * Remove all matches from the $rule regex
+	 *
+	 * @param string $css string to parse
+	 * @return string
+	 */
+	private function invertSvgIconsColor(string $css) {
+		return str_replace(['/000', '/fff'], ['/fff', '/000'], $css);
+	}
 }

core/Controller/SvgController.php

@@ -31,7 +31,6 @@ use OCP\AppFramework\Http\NotFoundResponse;
 use OCP\AppFramework\Utility\ITimeFactory;
 use OCP\Files\NotFoundException;
 use OCP\IRequest;
-use OC\Template\IconsCacher;
 
 class SvgController extends Controller {
 
@@ -41,18 +40,13 @@ class SvgController extends Controller {
 	/** @var ITimeFactory */
 	protected $timeFactory;
 
-	/** @var IconsCacher */
-	protected $iconsCacher;
-
 	public function __construct(string $appName,
 								IRequest $request,
-								ITimeFactory $timeFactory,
-								IconsCacher $iconsCacher) {
+								ITimeFactory $timeFactory) {
 		parent::__construct($appName, $request);
 
 		$this->serverRoot  = \OC::$SERVERROOT;
 		$this->timeFactory = $timeFactory;
-		$this->iconsCacher = $iconsCacher;
 	}
 
 	/**
@@ -68,7 +62,7 @@ class SvgController extends Controller {
 	 */
 	public function getSvgFromCore(string $folder, string $fileName, string $color = 'ffffff') {
 		$path = $this->serverRoot . "/core/img/$folder/$fileName.svg";
-		return $this->getSvg($path, $color);
+		return $this->getSvg($path, $color, $fileName);
 	}
 
 	/**
@@ -94,7 +88,7 @@ class SvgController extends Controller {
 			return new NotFoundResponse();
 		}
 		$path = $this->serverRoot . $appPath ."/img/$fileName.svg";
-		return $this->getSvg($path, $color);
+		return $this->getSvg($path, $color, $fileName);
 	}
 
 
@@ -105,7 +99,7 @@ class SvgController extends Controller {
 	 * @param string $color
 	 * @return DataDisplayResponse|NotFoundException
 	 */
-	private function getSvg(string $path, string $color) {
+	private function getSvg(string $path, string $color, string $fileName) {
 		if (!file_exists($path)) {
 			return new NotFoundResponse();
 		}

lib/private/Group/Group.php

@@ -90,7 +90,7 @@ class Group implements IGroup {
 
 	public function getDisplayName() {
 		if (is_null($this->displayName)) {
-			return $this->gid.'-name';
+			return $this->gid;
 		}
 		return $this->displayName;
 	}

lib/private/Template/IconsCacher.php

@@ -45,7 +45,7 @@ class IconsCacher {
 	protected $urlGenerator;
 
 	/** @var string */
-	private $iconVarRE = '/--([a-z-]+): url\("([a-z0-9-\/]+)[^;]+;/m';
+	private $iconVarRE = '/--([a-z0-9-]+): url\(["\']([a-z0-9-\/]+)[^;]+;/m';
 
 	/** @var string */
 	private $fileName = 'icons-vars.css';
@@ -84,12 +84,17 @@ class IconsCacher {
 	 * @param string $css
 	 */
 	public function setIconsCss(string $css) {
+
 		try {
-			$data = $this->folder->getFile($this->fileName)->getContent();
+			$currentData = $this->folder->getFile($this->fileName)->getContent();
 		} catch (NotFoundException $e) {
-			$data = '';
+			$currentData = '';
 		}
-		$icons = $this->getIconsFromCss($data . $css);
+
+		// remove :root
+		$currentData = str_replace([':root {', '}'], '', $currentData);
+
+		$icons = $this->getIconsFromCss($currentData . $css);
 
 		$data = '';
 		foreach ($icons as $icon => $url) {
@@ -127,7 +132,10 @@ class IconsCacher {
 	public function injectCss() {
 		// Only inject once
 		foreach (\OC_Util::$headers as $header) {
-			if (strpos($header['attributes']['href'], $this->fileName) !== false) {
+			if (
+				array_key_exists('attributes', $header) &&
+				array_key_exists('href', $header['attributes']) &&
+				strpos($header['attributes']['href'], $this->fileName) !== false) {
 				return;
 			}
 		}