refactor(ports): 使用ParseUint替换Atoi简化端口解析逻辑

- 将端口解析逻辑中的strconv.Atoi替换为strconv.ParseUint
- 移除额外的端口范围校验代码，因ParseUint已包含范围检验
- 减少冗余代码，提升端口解析的执行效率
- 优化多个模块中与端口相关的代码一致性和可维护性

Author: ZeroDeng01

node/sub.go

@@ -187,20 +187,15 @@ func LoadClashConfigFromURLWithReporter(id int, urlStr string, subName string, d
 							return nil, fmt.Errorf("split host port error: %v", splitErr)
 						}
 
-						portInt, atoiErr := strconv.Atoi(portStr)
-						if atoiErr != nil {
-							return nil, fmt.Errorf("invalid port: %v", atoiErr)
-						}
-
-						// 验证端口范围
-						if portInt < 0 || portInt > 65535 {
-							return nil, fmt.Errorf("port out of range: %d", portInt)
+						portUint, parseErr := strconv.ParseUint(portStr, 10, 16)
+						if parseErr != nil {
+							return nil, fmt.Errorf("invalid port: %v", parseErr)
 						}
 
 						// 创建 mihomo metadata
 						metadata := &constant.Metadata{
 							Host:    host,
-							DstPort: uint16(portInt),
+							DstPort: uint16(portUint),
 							Type:    constant.HTTP,
 						}
 

node/usage.go

@@ -61,18 +61,14 @@ func FetchAirportUsageInfo(airport *models.Airport) (*UsageInfo, error) {
 							return nil, fmt.Errorf("split host port error: %v", splitErr)
 						}
 
-						portInt, atoiErr := strconv.Atoi(portStr)
-						if atoiErr != nil {
-							return nil, fmt.Errorf("invalid port: %v", atoiErr)
-						}
-
-						if portInt < 0 || portInt > 65535 {
-							return nil, fmt.Errorf("port out of range: %d", portInt)
+						portUint, parseErr := strconv.ParseUint(portStr, 10, 16)
+						if parseErr != nil {
+							return nil, fmt.Errorf("invalid port: %v", parseErr)
 						}
 
 						metadata := &constant.Metadata{
 							Host:    host,
-							DstPort: uint16(portInt),
+							DstPort: uint16(portUint),
 							Type:    constant.HTTP,
 						}
 

services/mihomo/mihomo.go

@@ -234,15 +234,11 @@ func MihomoSpeedTest(
 		}
 	}
 
-	portInt, err := strconv.Atoi(portStr)
+	portUint, err := strconv.ParseUint(portStr, 10, 16)
 	if err != nil {
 		return 0, 0, 0, "", nil, fmt.Errorf("invalid port: %v", err)
 	}
-	// Validate port range to prevent overflow
-	if portInt < 0 || portInt > 65535 {
-		return 0, 0, 0, "", nil, fmt.Errorf("port out of range: %d", portInt)
-	}
-	port := uint16(portInt)
+	port := uint16(portUint)
 
 	metadata := &constant.Metadata{
 		Host:    parsedUrl.Hostname(),
@@ -294,16 +290,11 @@ func MihomoSpeedTest(
 					return nil, fmt.Errorf("split host port error: %v", splitErr)
 				}
 
-				pInt, atoiErr := strconv.Atoi(pStr)
-				if atoiErr != nil {
-					return nil, fmt.Errorf("invalid port string: %v", atoiErr)
-				}
-
-				// Validate port range
-				if pInt < 0 || pInt > 65535 {
-					return nil, fmt.Errorf("port out of range: %d", pInt)
+				pUint, parseErr := strconv.ParseUint(pStr, 10, 16)
+				if parseErr != nil {
+					return nil, fmt.Errorf("invalid port string: %v", parseErr)
 				}
-				p := uint16(pInt)
+				p := uint16(pUint)
 
 				md := &constant.Metadata{
 					Host:    h,
@@ -467,18 +458,14 @@ func fetchLandingIPWithAdapter(proxyAdapter constant.Proxy, ipUrl string) string
 					return nil, splitErr
 				}
 
-				pInt, atoiErr := strconv.Atoi(pStr)
-				if atoiErr != nil {
-					return nil, atoiErr
-				}
-
-				if pInt < 0 || pInt > 65535 {
-					return nil, fmt.Errorf("port out of range: %d", pInt)
+				pUint, parseErr := strconv.ParseUint(pStr, 10, 16)
+				if parseErr != nil {
+					return nil, parseErr
 				}
 
 				md := &constant.Metadata{
 					Host:    h,
-					DstPort: uint16(pInt),
+					DstPort: uint16(pUint),
 					Type:    constant.HTTP,
 				}
 				return proxyAdapter.DialContext(dialCtx, md)
@@ -530,13 +517,13 @@ func fetchQuality(proxyAdapter constant.Proxy, qualityURL string) *QualityCheckR
 				if splitErr != nil {
 					return nil, splitErr
 				}
-				pInt, atoiErr := strconv.Atoi(pStr)
-				if atoiErr != nil {
-					return nil, atoiErr
+				pUint, parseErr := strconv.ParseUint(pStr, 10, 16)
+				if parseErr != nil {
+					return nil, parseErr
 				}
 				md := &constant.Metadata{
 					Host:    h,
-					DstPort: uint16(pInt),
+					DstPort: uint16(pUint),
 					Type:    constant.HTTP,
 				}
 				return proxyAdapter.DialContext(dialCtx, md)

utils/proxy_client.go

@@ -77,20 +77,15 @@ func CreateProxyHTTPClient(useProxy bool, proxyLink string, timeout time.Duratio
 				return nil, fmt.Errorf("split host port error: %v", splitErr)
 			}
 
-			portInt, atoiErr := strconv.Atoi(portStr)
-			if atoiErr != nil {
-				return nil, fmt.Errorf("invalid port: %v", atoiErr)
-			}
-
-			// 验证端口范围
-			if portInt < 0 || portInt > 65535 {
-				return nil, fmt.Errorf("port out of range: %d", portInt)
+			portUint, parseErr := strconv.ParseUint(portStr, 10, 16)
+			if parseErr != nil {
+				return nil, fmt.Errorf("invalid port: %v", parseErr)
 			}
 
 			// 创建 mihomo metadata
 			metadata := &constant.Metadata{
 				Host:    host,
-				DstPort: uint16(portInt),
+				DstPort: uint16(portUint),
 				Type:    constant.HTTP,
 			}