Merge pull request #12177 from nextcloud/fix/apptoken_login_flow_proper_host

Use the proper server for the apptoken flow login

core/Controller/ClientFlowLoginController.php

@@ -197,7 +197,7 @@ class ClientFlowLoginController extends Controller {
 				'instanceName' => $this->defaults->getName(),
 				'urlGenerator' => $this->urlGenerator,
 				'stateToken' => $stateToken,
-				'serverHost' => $this->request->getServerHost(),
+				'serverHost' => $this->getServerPath(),
 				'oauthState' => $this->session->get('oauth.state'),
 			],
 			'guest'
@@ -235,7 +235,7 @@ class ClientFlowLoginController extends Controller {
 				'instanceName' => $this->defaults->getName(),
 				'urlGenerator' => $this->urlGenerator,
 				'stateToken' => $stateToken,
-				'serverHost' => $this->request->getServerHost(),
+				'serverHost' => $this->getServerPath(),
 				'oauthState' => $this->session->get('oauth.state'),
 			],
 			'guest'
@@ -345,32 +345,34 @@ class ClientFlowLoginController extends Controller {
 			);
 			$this->session->remove('oauth.state');
 		} else {
-			$serverPostfix = '';
+			$redirectUri = 'nc://login/server:' . $this->getServerPath() . '&user:' . urlencode($loginName) . '&password:' . urlencode($token);
 
-			if (strpos($this->request->getRequestUri(), '/index.php') !== false) {
-				$serverPostfix = substr($this->request->getRequestUri(), 0, strpos($this->request->getRequestUri(), '/index.php'));
-			} else if (strpos($this->request->getRequestUri(), '/login/flow') !== false) {
-				$serverPostfix = substr($this->request->getRequestUri(), 0, strpos($this->request->getRequestUri(), '/login/flow'));
-			}
+			// Clear the token from the login here
+			$this->tokenProvider->invalidateToken($sessionId);
+		}
 
-			$protocol = $this->request->getServerProtocol();
+		return new Http\RedirectResponse($redirectUri);
+	}
 
-			if ($protocol !== "https") {
-				$xForwardedProto = $this->request->getHeader('X-Forwarded-Proto');
-				$xForwardedSSL = $this->request->getHeader('X-Forwarded-Ssl');
-				if ($xForwardedProto === 'https' || $xForwardedSSL === 'on') {
-					$protocol = 'https';
-				}
-			}
+	private function getServerPath(): string {
+		$serverPostfix = '';
 
+		if (strpos($this->request->getRequestUri(), '/index.php') !== false) {
+			$serverPostfix = substr($this->request->getRequestUri(), 0, strpos($this->request->getRequestUri(), '/index.php'));
+		} else if (strpos($this->request->getRequestUri(), '/login/flow') !== false) {
+			$serverPostfix = substr($this->request->getRequestUri(), 0, strpos($this->request->getRequestUri(), '/login/flow'));
+		}
 
-			$serverPath = $protocol . "://" . $this->request->getServerHost() . $serverPostfix;
-			$redirectUri = 'nc://login/server:' . $serverPath . '&user:' . urlencode($loginName) . '&password:' . urlencode($token);
+		$protocol = $this->request->getServerProtocol();
 
-			// Clear the token from the login here
-			$this->tokenProvider->invalidateToken($sessionId);
+		if ($protocol !== "https") {
+			$xForwardedProto = $this->request->getHeader('X-Forwarded-Proto');
+			$xForwardedSSL = $this->request->getHeader('X-Forwarded-Ssl');
+			if ($xForwardedProto === 'https' || $xForwardedSSL === 'on') {
+				$protocol = 'https';
+			}
 		}
 
-		return new Http\RedirectResponse($redirectUri);
+		return $protocol . "://" . $this->request->getServerHost() . $serverPostfix;
 	}
 }

tests/Core/Controller/ClientFlowLoginControllerTest.php

@@ -162,6 +162,9 @@ class ClientFlowLoginControllerTest extends TestCase {
 			->expects($this->once())
 			->method('getServerHost')
 			->willReturn('example.com');
+		$this->request
+			->method('getServerProtocol')
+			->willReturn('https');
 
 		$expected = new TemplateResponse(
 			'core',
@@ -172,7 +175,7 @@ class ClientFlowLoginControllerTest extends TestCase {
 				'instanceName' => 'ExampleCloud',
 				'urlGenerator' => $this->urlGenerator,
 				'stateToken' => 'StateToken',
-				'serverHost' => 'example.com',
+				'serverHost' => 'https://example.com',
 				'oauthState' => 'OauthStateToken',
 			],
 			'guest'
@@ -218,6 +221,9 @@ class ClientFlowLoginControllerTest extends TestCase {
 			->expects($this->once())
 			->method('getServerHost')
 			->willReturn('example.com');
+		$this->request
+			->method('getServerProtocol')
+			->willReturn('https');
 
 		$expected = new TemplateResponse(
 			'core',
@@ -228,7 +234,7 @@ class ClientFlowLoginControllerTest extends TestCase {
 				'instanceName' => 'ExampleCloud',
 				'urlGenerator' => $this->urlGenerator,
 				'stateToken' => 'StateToken',
-				'serverHost' => 'example.com',
+				'serverHost' => 'https://example.com',
 				'oauthState' => 'OauthStateToken',
 			],
 			'guest'