794a9f969b
实现安全开关默认关闭与响应头透传逻辑 - URL 校验与响应头过滤支持开关并覆盖流式路径 - 非流式 Content-Type 透传/默认值按配置生效 - 接入 go test、golangci-lint 与前端 lint/typecheck - 补充相关测试与配置/文档说明
100 lines
2.6 KiB
Go
100 lines
2.6 KiB
Go
package repository
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import (
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"context"
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"encoding/json"
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"fmt"
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"io"
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"log"
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"net/http"
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"time"
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"github.com/Wei-Shaw/sub2api/internal/config"
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"github.com/Wei-Shaw/sub2api/internal/pkg/httpclient"
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"github.com/Wei-Shaw/sub2api/internal/service"
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)
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func NewProxyExitInfoProber(cfg *config.Config) service.ProxyExitInfoProber {
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insecure := false
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allowPrivate := false
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validateResolvedIP := true
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if cfg != nil {
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insecure = cfg.Security.ProxyProbe.InsecureSkipVerify
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allowPrivate = cfg.Security.URLAllowlist.AllowPrivateHosts
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validateResolvedIP = cfg.Security.URLAllowlist.Enabled
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}
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if insecure {
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log.Printf("[ProxyProbe] Warning: TLS verification is disabled for proxy probing.")
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}
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return &proxyProbeService{
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ipInfoURL: defaultIPInfoURL,
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insecureSkipVerify: insecure,
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allowPrivateHosts: allowPrivate,
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validateResolvedIP: validateResolvedIP,
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}
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}
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const defaultIPInfoURL = "https://ipinfo.io/json"
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type proxyProbeService struct {
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ipInfoURL string
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insecureSkipVerify bool
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allowPrivateHosts bool
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validateResolvedIP bool
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}
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func (s *proxyProbeService) ProbeProxy(ctx context.Context, proxyURL string) (*service.ProxyExitInfo, int64, error) {
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client, err := httpclient.GetClient(httpclient.Options{
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ProxyURL: proxyURL,
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Timeout: 15 * time.Second,
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InsecureSkipVerify: s.insecureSkipVerify,
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ProxyStrict: true,
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ValidateResolvedIP: s.validateResolvedIP,
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AllowPrivateHosts: s.allowPrivateHosts,
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})
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if err != nil {
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return nil, 0, fmt.Errorf("failed to create proxy client: %w", err)
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}
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startTime := time.Now()
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req, err := http.NewRequestWithContext(ctx, "GET", s.ipInfoURL, nil)
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if err != nil {
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return nil, 0, fmt.Errorf("failed to create request: %w", err)
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}
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resp, err := client.Do(req)
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if err != nil {
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return nil, 0, fmt.Errorf("proxy connection failed: %w", err)
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}
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defer func() { _ = resp.Body.Close() }()
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latencyMs := time.Since(startTime).Milliseconds()
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if resp.StatusCode != http.StatusOK {
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return nil, latencyMs, fmt.Errorf("request failed with status: %d", resp.StatusCode)
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}
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var ipInfo struct {
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IP string `json:"ip"`
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City string `json:"city"`
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Region string `json:"region"`
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Country string `json:"country"`
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}
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, latencyMs, fmt.Errorf("failed to read response: %w", err)
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}
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if err := json.Unmarshal(body, &ipInfo); err != nil {
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return nil, latencyMs, fmt.Errorf("failed to parse response: %w", err)
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}
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return &service.ProxyExitInfo{
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IP: ipInfo.IP,
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City: ipInfo.City,
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Region: ipInfo.Region,
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Country: ipInfo.Country,
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}, latencyMs, nil
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}
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