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sloproxy
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import ( "context" "net/http" "strings" "time"
"github.com/router-for-me/CLIProxyAPI/v7/internal/config" cliproxyauth "github.com/router-for-me/CLIProxyAPI/v7/sdk/cliproxy/auth" "github.com/router-for-me/CLIProxyAPI/v7/sdk/proxyutil" log "github.com/sirupsen/logrus")
// NewProxyAwareHTTPClient creates an HTTP client with proper proxy configuration priority:// 1. Use auth.ProxyURL if configured (highest priority)// 2. Use cfg.ProxyURL if auth proxy is not configured// 3. Use RoundTripper from context if neither are configured//// Parameters:// - ctx: The context containing optional RoundTripper// - cfg: The application configuration// - auth: The authentication information// - timeout: The client timeout (0 means no timeout)//// Returns:// - *http.Client: An HTTP client with configured proxy or transportfunc NewProxyAwareHTTPClient(ctx context.Context, cfg *config.Config, auth *cliproxyauth.Auth, timeout time.Duration) *http.Client { httpClient := &http.Client{} if timeout > 0 { httpClient.Timeout = timeout }
// Priority 1: Use auth.ProxyURL if configured var proxyURL string if auth != nil { proxyURL = strings.TrimSpace(auth.ProxyURL) }
// Priority 2: Use cfg.ProxyURL if auth proxy is not configured if proxyURL == "" && cfg != nil { proxyURL = strings.TrimSpace(cfg.ProxyURL) }
// If we have a proxy URL configured, set up the transport if proxyURL != "" { transport := buildProxyTransport(proxyURL) if transport != nil { httpClient.Transport = transport return httpClient } // If proxy setup failed, log and fall through to context RoundTripper log.Debugf("failed to setup proxy from URL: %s, falling back to context transport", proxyutil.Redact(proxyURL)) }
// Priority 3: Use RoundTripper from context (typically from RoundTripperFor) if rt, ok := ctx.Value("cliproxy.roundtripper").(http.RoundTripper); ok && rt != nil { httpClient.Transport = rt }
return httpClient}
// buildProxyTransport creates an HTTP transport configured for the given proxy URL.// It supports SOCKS5, HTTP, and HTTPS proxy protocols.//// Parameters:// - proxyURL: The proxy URL string (e.g., "socks5://user:pass@host:port", "http://host:port")//// Returns:// - *http.Transport: A configured transport, or nil if the proxy URL is invalidfunc buildProxyTransport(proxyURL string) *http.Transport { transport, _, errBuild := proxyutil.BuildHTTPTransport(proxyURL) if errBuild != nil { log.Errorf("%v", errBuild) return nil } return transport}