251 lines
		
	
	
		
			9.9 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			251 lines
		
	
	
		
			9.9 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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namespace App\Actions\Proxy;
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use App\Enums\ProxyTypes;
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use App\Models\Server;
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use Illuminate\Support\Facades\Log;
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use Lorisleiva\Actions\Concerns\AsAction;
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use Symfony\Component\Yaml\Yaml;
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class CheckProxy
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{
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    use AsAction;
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    // It should return if the proxy should be started (true) or not (false)
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    public function handle(Server $server, $fromUI = false): bool
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    {
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        if (! $server->isFunctional()) {
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            return false;
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        }
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        if ($server->isBuildServer()) {
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            if ($server->proxy) {
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                $server->proxy = null;
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                $server->save();
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            }
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            return false;
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        }
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        $proxyType = $server->proxyType();
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        if ((is_null($proxyType) || $proxyType === 'NONE' || $server->proxy->force_stop) && ! $fromUI) {
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            return false;
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        }
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        if (! $server->isProxyShouldRun()) {
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            if ($fromUI) {
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                throw new \Exception('Proxy should not run. You selected the Custom Proxy.');
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            } else {
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                return false;
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            }
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        }
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        // Determine proxy container name based on environment
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        $proxyContainerName = $server->isSwarm() ? 'coolify-proxy_traefik' : 'coolify-proxy';
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        if ($server->isSwarm()) {
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            $status = getContainerStatus($server, $proxyContainerName);
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            $server->proxy->set('status', $status);
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            $server->save();
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            if ($status === 'running') {
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                return false;
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            }
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            return true;
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        } else {
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            $status = getContainerStatus($server, $proxyContainerName);
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            if ($status === 'running') {
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                $server->proxy->set('status', 'running');
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                $server->save();
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                return false;
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            }
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            if ($server->settings->is_cloudflare_tunnel) {
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                return false;
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            }
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            $ip = $server->ip;
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            if ($server->id === 0) {
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                $ip = 'host.docker.internal';
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            }
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            $portsToCheck = ['80', '443'];
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            foreach ($portsToCheck as $port) {
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                // Use the smart port checker that handles dual-stack properly
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                if ($this->isPortConflict($server, $port, $proxyContainerName)) {
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                    if ($fromUI) {
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                        throw new \Exception("Port $port is in use.<br>You must stop the process using this port.<br><br>Docs: <a target='_blank' class='dark:text-white hover:underline' href='https://coolify.io/docs'>https://coolify.io/docs</a><br>Discord: <a target='_blank' class='dark:text-white hover:underline' href='https://coolify.io/discord'>https://coolify.io/discord</a>");
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                    } else {
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                        return false;
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                    }
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                }
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            }
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            try {
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                if ($server->proxyType() !== ProxyTypes::NONE->value) {
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                    $proxyCompose = CheckConfiguration::run($server);
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                    if (isset($proxyCompose)) {
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                        $yaml = Yaml::parse($proxyCompose);
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                        $portsToCheck = [];
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                        if ($server->proxyType() === ProxyTypes::TRAEFIK->value) {
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                            $ports = data_get($yaml, 'services.traefik.ports');
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                        } elseif ($server->proxyType() === ProxyTypes::CADDY->value) {
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                            $ports = data_get($yaml, 'services.caddy.ports');
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                        }
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                        if (isset($ports)) {
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                            foreach ($ports as $port) {
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                                $portsToCheck[] = str($port)->before(':')->value();
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                            }
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                        }
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                    }
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                } else {
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                    $portsToCheck = [];
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                }
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            } catch (\Exception $e) {
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                Log::error('Error checking proxy: '.$e->getMessage());
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            }
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            if (count($portsToCheck) === 0) {
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                return false;
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            }
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            return true;
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        }
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    }
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    /**
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     * Smart port checker that handles dual-stack configurations
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     * Returns true only if there's a real port conflict (not just dual-stack)
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     */
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    private function isPortConflict(Server $server, string $port, string $proxyContainerName): bool
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    {
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        // First check if our own proxy is using this port (which is fine)
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        try {
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            $getProxyContainerId = "docker ps -a --filter name=$proxyContainerName --format '{{.ID}}'";
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            $containerId = trim(instant_remote_process([$getProxyContainerId], $server));
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            if (! empty($containerId)) {
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                $checkProxyPort = "docker inspect $containerId --format '{{json .NetworkSettings.Ports}}' | grep '\"$port/tcp\"'";
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                try {
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                    instant_remote_process([$checkProxyPort], $server);
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                    // Our proxy is using the port, which is fine
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                    return false;
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                } catch (\Throwable $e) {
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                    // Our container exists but not using this port
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                }
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            }
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        } catch (\Throwable $e) {
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            // Container not found or error checking, continue with regular checks
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        }
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        // Command sets for different ways to check ports, ordered by preference
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        $commandSets = [
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            // Set 1: Use ss to check listener counts by protocol stack
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            [
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                'available' => 'command -v ss >/dev/null 2>&1',
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                'check' => [
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                    // Get listening process details
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                    "ss_output=\$(ss -Htuln state listening sport = :$port 2>/dev/null) && echo \"\$ss_output\"",
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                    // Count IPv4 listeners
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                    "echo \"\$ss_output\" | grep -c ':$port '",
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                ],
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            ],
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            // Set 2: Use netstat as alternative to ss
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            [
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                'available' => 'command -v netstat >/dev/null 2>&1',
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                'check' => [
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                    // Get listening process details
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                    "netstat_output=\$(netstat -tuln 2>/dev/null) && echo \"\$netstat_output\" | grep ':$port '",
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                    // Count listeners
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                    "echo \"\$netstat_output\" | grep ':$port ' | grep -c 'LISTEN'",
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                ],
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            ],
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            // Set 3: Use lsof as last resort
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            [
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                'available' => 'command -v lsof >/dev/null 2>&1',
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                'check' => [
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                    // Get process using the port
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                    "lsof -i :$port -P -n | grep 'LISTEN'",
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                    // Count listeners
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                    "lsof -i :$port -P -n | grep 'LISTEN' | wc -l",
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                ],
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            ],
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        ];
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        // Try each command set until we find one available
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        foreach ($commandSets as $set) {
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            try {
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                // Check if the command is available
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                instant_remote_process([$set['available']], $server);
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                // Run the actual check commands
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                $output = instant_remote_process($set['check'], $server, true);
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                // Parse the output lines
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                $lines = explode("\n", trim($output));
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                // Get the detailed output and listener count
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                $details = trim($lines[0] ?? '');
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                $count = intval(trim($lines[1] ?? '0'));
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                // If no listeners or empty result, port is free
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                if ($count == 0 || empty($details)) {
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                    return false;
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                }
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                // Try to detect if this is our coolify-proxy
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                if (strpos($details, 'docker') !== false || strpos($details, $proxyContainerName) !== false) {
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                    // It's likely our docker or proxy, which is fine
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                    return false;
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                }
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                // Check for dual-stack scenario - typically 1-2 listeners (IPv4+IPv6)
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                // If exactly 2 listeners and both have same port, likely dual-stack
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                if ($count <= 2) {
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                    // Check if it looks like a standard dual-stack setup
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                    $isDualStack = false;
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                    // Look for IPv4 and IPv6 in the listing (ss output format)
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                    if (preg_match('/LISTEN.*:'.$port.'\s/', $details) &&
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                        (preg_match('/\*:'.$port.'\s/', $details) ||
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                         preg_match('/:::'.$port.'\s/', $details))) {
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                        $isDualStack = true;
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                    }
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                    // For netstat format
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                    if (strpos($details, '0.0.0.0:'.$port) !== false &&
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                        strpos($details, ':::'.$port) !== false) {
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                        $isDualStack = true;
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                    }
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                    // For lsof format (IPv4 and IPv6)
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                    if (strpos($details, '*:'.$port) !== false &&
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                        preg_match('/\*:'.$port.'.*IPv4/', $details) &&
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                        preg_match('/\*:'.$port.'.*IPv6/', $details)) {
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                        $isDualStack = true;
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                    }
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                    if ($isDualStack) {
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                        return false; // This is just a normal dual-stack setup
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                    }
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                }
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                // If we get here, it's likely a real port conflict
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                return true;
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            } catch (\Throwable $e) {
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                // This command set failed, try the next one
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                continue;
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            }
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        }
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        // Fallback to simpler check if all above methods fail
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        try {
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            // Just try to bind to the port directly to see if it's available
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            $checkCommand = "nc -z -w1 127.0.0.1 $port >/dev/null 2>&1 && echo 'in-use' || echo 'free'";
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            $result = instant_remote_process([$checkCommand], $server, true);
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            return trim($result) === 'in-use';
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        } catch (\Throwable $e) {
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            // If everything fails, assume the port is free to avoid false positives
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            return false;
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        }
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    }
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}
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