Merge pull request #743 from nextcloud/backport/741/stable32

Author: Altahrim

index.php

@@ -766,14 +766,19 @@ private function getDownloadedFilePath(): string {
 	 *
 	 * @throws \Exception
 	 */
-	public function verifyIntegrity(): void {
+	public function verifyIntegrity(string $urlOverride = ''): void {
 		$this->silentLog('[info] verifyIntegrity()');
 
 		if ($this->getCurrentReleaseChannel() === 'daily') {
 			$this->silentLog('[info] current channel is "daily" which is not signed. Skipping verification.');
 			return;
 		}
 
+		if ($urlOverride !== '') {
+			$this->silentLog('[info] custom download url provided, cannot verify signature');
+			return;
+		}
+
 		$response = $this->getUpdateServerResponse();
 		if (empty($response['signature'])) {
 			throw new \Exception('No signature specified for defined update');

lib/UpdateCommand.php

@@ -420,7 +420,7 @@ protected function executeStep(int $step): array {
 						$this->updater->silentLog('[info] Skipping integrity check as requested');
 						break;
 					}
-					$this->updater->verifyIntegrity();
+					$this->updater->verifyIntegrity($this->urlOverride);
 					break;
 				case 6:
 					$this->updater->extractDownload();

lib/Updater.php

@@ -749,14 +749,19 @@ private function getDownloadedFilePath(): string {
 	 *
 	 * @throws \Exception
 	 */
-	public function verifyIntegrity(): void {
+	public function verifyIntegrity(string $urlOverride = ''): void {
 		$this->silentLog('[info] verifyIntegrity()');
 
 		if ($this->getCurrentReleaseChannel() === 'daily') {
 			$this->silentLog('[info] current channel is "daily" which is not signed. Skipping verification.');
 			return;
 		}
 
+		if ($urlOverride !== '') {
+			$this->silentLog('[info] custom download url provided, cannot verify signature');
+			return;
+		}
+
 		$response = $this->getUpdateServerResponse();
 		if (empty($response['signature'])) {
 			throw new \Exception('No signature specified for defined update');