feat(protocols): support VLESS node output, improve buildVless method template

- Added Server::TYPE_VLESS to Loon::$allowedProtocols
- handle() method now supports VLESS node output
- buildVless() method supports all mainstream VLESS parameter templates, including reality/xtls-rprx-vision

app/Protocols/Loon.php

@@ -14,6 +14,7 @@ class Loon extends AbstractProtocol
         Server::TYPE_VMESS,
         Server::TYPE_TROJAN,
         Server::TYPE_HYSTERIA,
+        Server::TYPE_VLESS,
     ];
 
     protected $protocolRequirements = [
@@ -42,6 +43,9 @@ class Loon extends AbstractProtocol
             if ($item['type'] === Server::TYPE_HYSTERIA) {
                 $uri .= self::buildHysteria($item['password'], $item, $user);
             }
+            if ($item['type'] === Server::TYPE_VLESS) {
+                $uri .= self::buildVless($item['password'], $item);
+            }
         }
         return response($uri)
             ->header('content-type', 'text/plain')
@@ -176,58 +180,77 @@ class Loon extends AbstractProtocol
         return $uri;
     }
 
-    public static function buildVless($uuid, $server)
+    public static function buildVless($password, $server)
-    {
+	{
-        $protocol_settings = $server['protocol_settings'];
+		$protocol_settings = data_get($server, 'protocol_settings', []);
-        $config = [
-            "{$server['name']}=vless",
-            $server['host'],
-            $server['port'],
-            $uuid,
-            'fast-open=false',
-            'udp=true',
-            'alterId=0'
-        ];
-        switch ((int) data_get($protocol_settings, 'tls')) {
-            case 1:
-                $config[] = 'over-tls=true';
-                $tlsSettings = data_get($protocol_settings, 'tls_settings', []);
-                if ($tlsSettings) {
-                    $config[] = 'skip-cert-verify=' . (data_get($tlsSettings, 'allow_insecure') ? 'true' : 'false');
-                    if ($serverName = data_get($tlsSettings, 'server_name')) {
-                        $config[] = "tls-name={$serverName}";
-                    }
-                }
-                break;
-            case 2:
-                return '';
-        }
-        $network_settings = data_get($protocol_settings, 'network_settings', []);
-        switch ((string) data_get($network_settings, 'network')) {
-            case 'tcp':
-                $config[] = 'transport=tcp';
-                if ($headerType = data_get($network_settings, 'header.type')) {
-                    $config = collect($config)->map(function ($item) use ($headerType) {
-                        return $item === 'transport=tcp' ? "transport={$headerType}" : $item;
-                    })->toArray();
-                }
-                if ($paths = data_get($network_settings, 'header.request.path')) {
-                    $config[] = 'path=' . $paths[array_rand($paths)];
-                }
-                break;
-            case 'ws':
-                $config[] = 'transport=ws';
-                if ($path = data_get($network_settings, 'path')) {
-                    $config[] = "path={$path}";
-                }
 
-                if ($host = data_get($network_settings, 'headers.Host')) {
+		$config = [
-                    $config[] = "host={$host}";
+			"{$server['name']}=VLESS",
-                }
+			"{$server['host']}",
-                break;
+			"{$server['port']}",
-        }
+			"{$password}",
-        return implode(',', $config) . "\r\n";
+			"alterId=0",
-    }
+			"udp=true"
+		];
+
+		// flow
+		if ($flow = data_get($protocol_settings, 'flow')) {
+			$config[] = "flow={$flow}";
+		}
+
+		// TLS/Reality
+		switch (data_get($protocol_settings, 'tls')) {
+			case 1:
+				$config[] = "over-tls=true";
+				$config[] = "skip-cert-verify=" . (data_get($protocol_settings, 'tls_settings.allow_insecure', false) ? "true" : "false");
+				if ($serverName = data_get($protocol_settings, 'tls_settings.server_name')) {
+					$config[] = "sni={$serverName}";
+				}
+				break;
+			case 2:
+				$config[] = "over-tls=true";
+				$config[] = "skip-cert-verify=" . (data_get($protocol_settings, 'reality_settings.allow_insecure', false) ? "true" : "false");
+				if ($serverName = data_get($protocol_settings, 'reality_settings.server_name')) {
+					$config[] = "sni={$serverName}";
+				}
+				if ($pubkey = data_get($protocol_settings, 'reality_settings.public_key')) {
+					$config[] = "public-key={$pubkey}";
+				}
+				if ($shortid = data_get($protocol_settings, 'reality_settings.short_id')) {
+					$config[] = "short-id={$shortid}";
+				}
+				break;
+			default:
+				$config[] = "over-tls=false";
+				break;
+		}
+
+		// network
+		switch (data_get($protocol_settings, 'network')) {
+			case 'ws':
+				$config[] = "transport=ws";
+				if ($path = data_get($protocol_settings, 'network_settings.path')) {
+					$config[] = "path={$path}";
+				}
+				if ($host = data_get($protocol_settings, 'network_settings.headers.Host')) {
+					$config[] = "host={$host}";
+				}
+				break;
+			case 'grpc':
+				$config[] = "transport=grpc";
+				if ($serviceName = data_get($protocol_settings, 'network_settings.serviceName')) {
+					$config[] = "grpc-service-name={$serviceName}";
+				}
+				break;
+			default:
+				$config[] = "transport=tcp";
+				break;
+		}
+
+		$config = array_filter($config);
+		$uri = implode(',', $config) . "\r\n";
+		return $uri;
+	}
 
     public static function buildHysteria($password, $server, $user)
     {