feat: Allow getting/setting the password hash of a user

Signed-off-by: Christopher Ng <chrng8@gmail.com>

lib/private/User/LazyUser.php

@@ -73,6 +73,14 @@ class LazyUser implements IUser {
 		return $this->getUser()->setPassword($password, $recoveryPassword);
 	}
 
+	public function getPasswordHash(): ?string {
+		return $this->getUser()->getPasswordHash();
+	}
+
+	public function setPasswordHash(string $passwordHash): bool {
+		return $this->getUser()->setPasswordHash($passwordHash);
+	}
+
 	public function getHome() {
 		return $this->getUser()->getHome();
 	}

lib/private/User/User.php

@@ -25,6 +25,7 @@ use OCP\IUser;
 use OCP\IUserBackend;
 use OCP\Notification\IManager as INotificationManager;
 use OCP\User\Backend\IGetHomeBackend;
+use OCP\User\Backend\IPasswordHashBackend;
 use OCP\User\Backend\IProvideAvatarBackend;
 use OCP\User\Backend\IProvideEnabledStateBackend;
 use OCP\User\Backend\ISetDisplayNameBackend;
@@ -319,6 +320,20 @@ class User implements IUser {
 		}
 	}
 
+	public function getPasswordHash(): ?string {
+		if (!($this->backend instanceof IPasswordHashBackend)) {
+			return null;
+		}
+		return $this->backend->getPasswordHash($this->uid);
+	}
+
+	public function setPasswordHash(string $passwordHash): bool {
+		if (!($this->backend instanceof IPasswordHashBackend)) {
+			return false;
+		}
+		return $this->backend->setPasswordHash($this->uid, $passwordHash);
+	}
+
 	/**
 	 * get the users home folder to mount
 	 *

lib/public/IUser.php

@@ -76,6 +76,20 @@ interface IUser {
 	 */
 	public function setPassword($password, $recoveryPassword = null);
 
+	/**
+	 * Get the password hash of the user
+	 *
+	 * @since 30.0.0
+	 */
+	public function getPasswordHash(): ?string;
+
+	/**
+	 * Set the password hash of the user
+	 *
+	 * @since 30.0.0
+	 */
+	public function setPasswordHash(string $passwordHash): bool;
+
 	/**
 	 * get the users home folder to mount
 	 *