Add projects

backend/internal/util/proxy.go

@@ -0,0 +1,30 @@
+// Package util provides utility functions for the CLI Proxy API server.
+// It includes helper functions for proxy configuration, HTTP client setup,
+// log level management, and other common operations used across the application.
+package util
+
+import (
+	"net/http"
+
+	"github.com/router-for-me/CLIProxyAPI/v7/sdk/config"
+	"github.com/router-for-me/CLIProxyAPI/v7/sdk/proxyutil"
+	log "github.com/sirupsen/logrus"
+)
+
+// SetProxy configures the provided HTTP client with proxy settings from the configuration.
+// It supports SOCKS5, HTTP, and HTTPS proxies. The function modifies the client's transport
+// to route requests through the configured proxy server.
+func SetProxy(cfg *config.SDKConfig, httpClient *http.Client) *http.Client {
+	if cfg == nil || httpClient == nil {
+		return httpClient
+	}
+
+	transport, _, errBuild := proxyutil.BuildHTTPTransport(cfg.ProxyURL)
+	if errBuild != nil {
+		log.Errorf("%v", errBuild)
+	}
+	if transport != nil {
+		httpClient.Transport = transport
+	}
+	return httpClient
+}