Allow to get a local cloud id without going through the contacts manager

Signed-off-by: Julius Härtl <jus@bitgrid.net>

3 files changed, 37 insertions, 14 deletions

diff --git a/lib/private/Federation/CloudIdManager.php b/lib/private/Federation/CloudIdManager.php
index 694f48eb1cc..24437456fd0 100644
--- a/lib/private/Federation/CloudIdManager.php
+++ b/lib/private/Federation/CloudIdManager.php
@@ -33,13 +33,21 @@ namespace OC\Federation;
 use OCP\Contacts\IManager;
 use OCP\Federation\ICloudId;
 use OCP\Federation\ICloudIdManager;
+use OCP\IURLGenerator;
+use OCP\IUserManager;
 
 class CloudIdManager implements ICloudIdManager {
 	/** @var IManager */
 	private $contactsManager;
+	/** @var IURLGenerator */
+	private $urlGenerator;
+	/** @var IUserManager */
+	private $userManager;
 
-	public function __construct(IManager $contactsManager) {
+	public function __construct(IManager $contactsManager, IURLGenerator $urlGenerator, IUserManager $userManager) {
 		$this->contactsManager = $contactsManager;
+		$this->urlGenerator = $urlGenerator;
+		$this->userManager = $userManager;
 	}
 
 	/**
@@ -103,25 +111,40 @@ class CloudIdManager implements ICloudIdManager {
 
 	/**
 	 * @param string $user
-	 * @param string $remote
+	 * @param string|null $remote
 	 * @return CloudId
 	 */
-	public function getCloudId(string $user, string $remote): ICloudId {
-		// TODO check what the correct url is for remote (asking the remote)
-		$fixedRemote = $this->fixRemoteURL($remote);
-		if (strpos($fixedRemote, 'http://') === 0) {
-			$host = substr($fixedRemote, strlen('http://'));
-		} elseif (strpos($fixedRemote, 'https://') === 0) {
-			$host = substr($fixedRemote, strlen('https://'));
+	public function getCloudId(string $user, ?string $remote): ICloudId {
+		if ($remote === null) {
+			$remote = rtrim($this->removeProtocolFromUrl($this->urlGenerator->getAbsoluteURL('/')), '/');
+			$fixedRemote = $this->fixRemoteURL($remote);
+			$localUser = $this->userManager->get($user);
+			$displayName = !is_null($localUser) ? $localUser->getDisplayName() : '';
 		} else {
-			$host = $fixedRemote;
+			// TODO check what the correct url is for remote (asking the remote)
+			$fixedRemote = $this->fixRemoteURL($remote);
+			$host = $this->removeProtocolFromUrl($fixedRemote);
+			$displayName = $this->getDisplayNameFromContact($user . '@' . $host);
 		}
 		$id = $user . '@' . $remote;
-		$displayName = $this->getDisplayNameFromContact($user . '@' . $host);
 		return new CloudId($id, $user, $fixedRemote, $displayName);
 	}
 
 	/**
+	 * @param string $url
+	 * @return string
+	 */
+	private function removeProtocolFromUrl($url) {
+		if (strpos($url, 'https://') === 0) {
+			return substr($url, strlen('https://'));
+		} elseif (strpos($url, 'http://') === 0) {
+			return substr($url, strlen('http://'));
+		}
+
+		return $url;
+	}
+
+	/**
 	 * Strips away a potential file names and trailing slashes:
 	 * - http://localhost
 	 * - http://localhost/
diff --git a/lib/private/Server.php b/lib/private/Server.php
index 03d6a4146ed..0320eda2b91 100644
--- a/lib/private/Server.php
+++ b/lib/private/Server.php
@@ -1286,7 +1286,7 @@ class Server extends ServerContainer implements IServerContainer {
 		});
 
 		$this->registerService(ICloudIdManager::class, function (ContainerInterface $c) {
-			return new CloudIdManager($c->get(\OCP\Contacts\IManager::class));
+			return new CloudIdManager($c->get(\OCP\Contacts\IManager::class), $c->get(IURLGenerator::class), $c->get(IUserManager::class));
 		});
 
 		$this->registerAlias(\OCP\GlobalScale\IConfig::class, \OC\GlobalScale\Config::class);
diff --git a/lib/public/Federation/ICloudIdManager.php b/lib/public/Federation/ICloudIdManager.php
index df7bd127baf..1612c03ba4a 100644
--- a/lib/public/Federation/ICloudIdManager.php
+++ b/lib/public/Federation/ICloudIdManager.php
@@ -46,12 +46,12 @@ interface ICloudIdManager {
 	 * Get the cloud id for a remote user
 	 *
 	 * @param string $user
-	 * @param string $remote
+	 * @param string|null $remote (optional since 23.0.0 for local users)
 	 * @return ICloudId
 	 *
 	 * @since 12.0.0
 	 */
-	public function getCloudId(string $user, string $remote): ICloudId;
+	public function getCloudId(string $user, ?string $remote): ICloudId;
 
 	/**
 	 * Check if the input is a correctly formatted cloud id