fix(AppDiscoverFetcher): Do not remove entries as expired that have no expiry date

apps/settings/lib/Controller/AppSettingsController.php

@@ -131,7 +131,7 @@ public function viewApps(): TemplateResponse {
 	 * @NoCSRFRequired
 	 */
 	public function getAppDiscoverJSON(): JSONResponse {
-		$data = $this->discoverFetcher->get();
+		$data = $this->discoverFetcher->get(true);
 		return new JSONResponse($data);
 	}
 

lib/private/App/AppStore/Fetcher/AppDiscoverFetcher.php

@@ -61,41 +61,41 @@ public function __construct(
 	/**
 	 * Get the app discover section entries
 	 *
-	 * @param bool $allowUnstable Include also expired and upcoming entries
+	 * @param bool $allowUnstable Include also upcoming entries
 	 */
 	public function get($allowUnstable = false) {
 		$entries = parent::get(false);
+		$now = new DateTimeImmutable();
 
-		if (!$allowUnstable) {
-			$now = new DateTimeImmutable();
-
-			// Remove expired or future entries
-			return array_filter($entries, function (array $entry) use ($now) {
+		return array_filter($entries, function (array $entry) use ($now, $allowUnstable) {
+			// Always remove expired entries
+			if (isset($entry['expiryDate'])) {
 				try {
-					$date = new DateTimeImmutable($entry['date'] ?? '');
-					if ($date > $now) {
+					$expiryDate = new DateTimeImmutable($entry['expiryDate']);
+					if ($expiryDate < $now) {
 						return false;
 					}
 				} catch (\Throwable $e) {
-					// Invalid date format
+					// Invalid expiryDate format
 					return false;
 				}
+			}
 
+			// If not include upcoming entries, check for upcoming dates and remove those entries
+			if (!$allowUnstable && isset($entry['date'])) {
 				try {
-					$expiryDate = new DateTimeImmutable($entry['expiryDate'] ?? '');
-					if ($expiryDate < $now) {
+					$date = new DateTimeImmutable($entry['date']);
+					if ($date > $now) {
 						return false;
 					}
 				} catch (\Throwable $e) {
-					// Invalid expiryDate format
+					// Invalid date format
 					return false;
 				}
-
-				return true;
-			});
-		}
-
-		return $entries;
+			}
+			// Otherwise the entry is not time limited and should stay
+			return true;
+		});
 	}
 
 	public function getETag(): string|null {

tests/lib/App/AppStore/Fetcher/AppDiscoverFetcherTest.php

@@ -0,0 +1,133 @@
+<?php
+/**
+ * @copyright Copyright (c) 2024 Ferdinand Thiessen <opensource@fthiessen.de>
+ *
+ * @author Ferdinand Thiessen <opensource@fthiessen.de>
+ *
+ * @license AGPL-3.0-or-later
+ *
+ * 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 Test\App\AppStore\Fetcher;
+
+use OC\App\AppStore\Fetcher\AppDiscoverFetcher;
+use OC\App\CompareVersion;
+use OCP\Files\NotFoundException;
+use OCP\Files\SimpleFS\ISimpleFile;
+use OCP\Files\SimpleFS\ISimpleFolder;
+use PHPUnit\Framework\MockObject\MockObject;
+
+class AppDiscoverFetcherTest extends FetcherBase {
+	protected CompareVersion|MockObject $compareVersion;
+
+	protected function setUp(): void {
+		parent::setUp();
+		$this->fileName = 'discover.json';
+		$this->endpoint = 'https://apps.nextcloud.com/api/v1/discover.json';
+
+		$this->compareVersion = $this->createMock(CompareVersion::class);
+
+		$this->fetcher = new AppDiscoverFetcher(
+			$this->appDataFactory,
+			$this->clientService,
+			$this->timeFactory,
+			$this->config,
+			$this->logger,
+			$this->registry,
+			$this->compareVersion,
+		);
+	}
+
+	public function testAppstoreDisabled() {
+		$this->config
+			->method('getSystemValueBool')
+			->willReturnCallback(function ($var, $default) {
+				if ($var === 'appstoreenabled') {
+					return false;
+				}
+				return $default;
+			});
+		$this->appData
+			->expects($this->never())
+			->method('getFolder');
+
+		$this->assertEquals([], $this->fetcher->get());
+	}
+
+	public function testNoInternet() {
+		$this->config
+			->method('getSystemValueBool')
+			->willReturnCallback(function ($var, $default) {
+				if ($var === 'has_internet_connection') {
+					return false;
+				}
+				return $default;
+			});
+		$this->config
+			->method('getSystemValueString')
+			->willReturnCallback(function ($var, $default) {
+				return $default;
+			});
+		$this->appData
+			->expects($this->never())
+			->method('getFolder');
+
+		$this->assertEquals([], $this->fetcher->get());
+	}
+
+	/**
+	 * @dataProvider dataGetETag
+	 */
+	public function testGetEtag(string|null $expected, bool $throws, string $content = '') {
+		$folder = $this->createMock(ISimpleFolder::class);
+		if (!$throws) {
+			$file = $this->createMock(ISimpleFile::class);
+			$file->expects($this->once())
+				->method('getContent')
+				->willReturn($content);
+			$folder->expects($this->once())
+				->method('getFile')
+				->with('discover.json')
+				->willReturn($file);
+		} else {
+			$folder->expects($this->once())
+				->method('getFile')
+				->with('discover.json')
+				->willThrowException(new NotFoundException(''));
+		}
+
+		$this->appData->expects($this->once())
+			->method('getFolder')
+			->with('/')
+			->willReturn($folder);
+
+		$etag = $this->fetcher->getETag();
+		$this->assertEquals($expected, $etag);
+		if ($expected !== null) {
+			$this->assertTrue(gettype($etag) === 'string');
+		}
+	}
+
+	public function dataGetETag(): array {
+		return [
+			'file not found' => [null, true],
+			'empty file' => [null, false, ''],
+			'missing etag' => [null, false, '{ "foo": "bar" }'],
+			'valid etag' => ['test', false, '{ "ETag": "test" }'],
+			'numeric etag' => ['132', false, '{ "ETag": 132 }'],
+		];
+	}
+}