[stable23] improve imagick, bcmath and gmp extension warnings

apps/settings/lib/Controller/CheckSetupController.php

@@ -713,20 +713,6 @@ protected function hasRecommendedPHPModules(): array {
 			$recommendedPHPModules[] = 'intl';
 		}
 
-		if (!extension_loaded('bcmath')) {
-			$recommendedPHPModules[] = 'bcmath';
-		}
-
-		if (!extension_loaded('gmp')) {
-			$recommendedPHPModules[] = 'gmp';
-		}
-
-		if ($this->config->getAppValue('theming', 'enabled', 'no') === 'yes') {
-			if (!extension_loaded('imagick')) {
-				$recommendedPHPModules[] = 'imagick';
-			}
-		}
-
 		if (!defined('PASSWORD_ARGON2I') && PHP_VERSION_ID >= 70400) {
 			// Installing php-sodium on >=php7.4 will provide PASSWORD_ARGON2I
 			// on previous version argon2 wasn't part of the "standard" extension
@@ -738,6 +724,25 @@ protected function hasRecommendedPHPModules(): array {
 		return $recommendedPHPModules;
 	}
 
+	protected function isImagickEnabled(): bool {
+		if ($this->config->getAppValue('theming', 'enabled', 'no') === 'yes') {
+			if (!extension_loaded('imagick')) {
+				return false;
+			}
+		}
+		return true;
+	}
+
+	protected function areWebauthnExtensionsEnabled(): bool {
+		if (!extension_loaded('bcmath')) {
+			return false;
+		}
+		if (!extension_loaded('gmp')) {
+			return false;
+		}
+		return true;
+	}
+
 	protected function isMysqlUsedWithoutUTF8MB4(): bool {
 		return ($this->config->getSystemValue('dbtype', 'sqlite') === 'mysql') && ($this->config->getSystemValue('mysql.utf8mb4', false) === false);
 	}
@@ -869,6 +874,8 @@ public function check() {
 				'databaseConversionDocumentation' => $this->urlGenerator->linkToDocs('admin-db-conversion'),
 				'isMemoryLimitSufficient' => $this->memoryInfo->isMemoryLimitSufficient(),
 				'appDirsWithDifferentOwner' => $this->getAppDirsWithDifferentOwner(),
+				'isImagickEnabled' => $this->isImagickEnabled(),
+				'areWebauthnExtensionsEnabled' => $this->areWebauthnExtensionsEnabled(),
 				'recommendedPHPModules' => $this->hasRecommendedPHPModules(),
 				'pendingBigIntConversionColumns' => $this->hasBigIntConversionPendingColumns(),
 				'isMysqlUsedWithoutUTF8MB4' => $this->isMysqlUsedWithoutUTF8MB4(),

apps/settings/tests/Controller/CheckSetupControllerTest.php

@@ -548,6 +548,16 @@ public function testCheck() {
 			->method('getAppDirsWithDifferentOwner')
 			->willReturn([]);
 
+		$this->checkSetupController
+			->expects($this->once())
+			->method('isImagickEnabled')
+			->willReturn(false);
+
+		$this->checkSetupController
+			->expects($this->once())
+			->method('areWebauthnExtensionsEnabled')
+			->willReturn(false);
+
 		$this->checkSetupController
 			->expects($this->once())
 			->method('hasRecommendedPHPModules')
@@ -642,6 +652,8 @@ public function testCheck() {
 				'missingColumns' => [],
 				'isMemoryLimitSufficient' => true,
 				'appDirsWithDifferentOwner' => [],
+				'isImagickEnabled' => false,
+				'areWebauthnExtensionsEnabled' => false,
 				'recommendedPHPModules' => [],
 				'pendingBigIntConversionColumns' => [],
 				'isMysqlUsedWithoutUTF8MB4' => false,

core/js/setupchecks.js

@@ -423,6 +423,24 @@
 							type: OC.SetupChecks.MESSAGE_TYPE_INFO
 						})
 					}
+					if (!data.isImagickEnabled) {
+						messages.push({
+							msg: t(
+								'core',
+								'The PHP module "imagick" is not enabled although the theming app is. For favicon generation to work correctly, you need to install and enable this module.'
+							),
+							type: OC.SetupChecks.MESSAGE_TYPE_INFO
+						})
+					}
+					if (!data.areWebauthnExtensionsEnabled) {
+						messages.push({
+							msg: t(
+								'core',
+								'The PHP modules "gmp" and/or "bcmath" are not enabled. If you use WebAuthn passwordless authentication, these modules are required.'
+							),
+							type: OC.SetupChecks.MESSAGE_TYPE_INFO
+						})
+					}
 					if (data.imageMagickLacksSVGSupport) {
 						messages.push({
 							msg: t(