fix: Block bot commands on incompatible versions

Signed-off-by: Joas Schilling <coding@schilljs.com>

3 files changed, 25 insertions, 0 deletions

diff --git a/lib/Command/Bot/Install.php b/lib/Command/Bot/Install.php
index 1f0ba5160..c481a7d01 100644
--- a/lib/Command/Bot/Install.php
+++ b/lib/Command/Bot/Install.php
@@ -29,6 +29,8 @@ use OC\Core\Command\Base;
 use OCA\Talk\Model\Bot;
 use OCA\Talk\Model\BotServer;
 use OCA\Talk\Model\BotServerMapper;
+use OCP\Http\Client\IClientService;
+use OCP\Util;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Input\InputOption;
@@ -37,6 +39,7 @@ use Symfony\Component\Console\Output\OutputInterface;
 class Install extends Base {
 	public function __construct(
 		private BotServerMapper $botServerMapper,
+		private IClientService $clientService,
 	) {
 		parent::__construct();
 	}
@@ -76,6 +79,12 @@ class Install extends Base {
 	}
 
 	protected function execute(InputInterface $input, OutputInterface $output): int {
+		$client = $this->clientService->newClient();
+		if (!method_exists($client, 'postAsync')) {
+			$output->writeln('<error>You need Nextcloud Server version 27.1 or higher for Bot support (detected: ' . implode('.', Util::getVersion()) . ').</error>');
+			return 1;
+		}
+
 		$name = $input->getArgument('name');
 		$secret = $input->getArgument('secret');
 		$url = $input->getArgument('url');
diff --git a/lib/Command/Bot/ListBots.php b/lib/Command/Bot/ListBots.php
index 4f5251c93..9f65a0a0c 100644
--- a/lib/Command/Bot/ListBots.php
+++ b/lib/Command/Bot/ListBots.php
@@ -29,6 +29,8 @@ use OC\Core\Command\Base;
 use OCA\Talk\Model\BotConversation;
 use OCA\Talk\Model\BotConversationMapper;
 use OCA\Talk\Model\BotServerMapper;
+use OCP\Http\Client\IClientService;
+use OCP\Util;
 use Symfony\Component\Console\Input\InputArgument;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
@@ -37,6 +39,7 @@ class ListBots extends Base {
 	public function __construct(
 		private BotConversationMapper $botConversationMapper,
 		private BotServerMapper $botServerMapper,
+		private IClientService $clientService,
 	) {
 		parent::__construct();
 	}
@@ -55,6 +58,12 @@ class ListBots extends Base {
 	}
 
 	protected function execute(InputInterface $input, OutputInterface $output): int {
+		$client = $this->clientService->newClient();
+		if (!method_exists($client, 'postAsync')) {
+			$output->writeln('<error>You need Nextcloud Server version 27.1 or higher for Bot support (detected: ' . implode('.', Util::getVersion()) . ').</error>');
+			return 1;
+		}
+
 		$bots = $this->botServerMapper->getAllBots();
 		$token = $input->getArgument('token');
 
diff --git a/lib/Service/BotService.php b/lib/Service/BotService.php
index e371c6ac0..59cfa5e37 100644
--- a/lib/Service/BotService.php
+++ b/lib/Service/BotService.php
@@ -45,6 +45,7 @@ use OCP\IUser;
 use OCP\IUserSession;
 use OCP\L10N\IFactory;
 use OCP\Security\ISecureRandom;
+use OCP\Util;
 use Psr\Log\LoggerInterface;
 
 class BotService {
@@ -65,6 +66,12 @@ class BotService {
 	}
 
 	public function afterChatMessageSent(ChatParticipantEvent $event, MessageParser $messageParser): void {
+		$client = $this->clientService->newClient();
+		if (!method_exists($client, 'postAsync')) {
+			$this->logger->error('You need Nextcloud Server version 27.1 or higher for Bot support (detected: ' . implode('.', Util::getVersion()) . ')');
+			return;
+		}
+
 		$bots = $this->getBotsForToken($event->getRoom()->getToken());
 		if (empty($bots)) {
 			return;