merge: 合并 upstream/main 并解决冲突
解决了以下文件的冲突: - backend/internal/handler/admin/setting_handler.go - 采用 upstream 的字段对齐风格和 *Configured 字段名 - 添加 EnableIdentityPatch 和 IdentityPatchPrompt 字段 - backend/internal/handler/gateway_handler.go - 采用 upstream 的 billingErrorDetails 错误处理方式 - frontend/src/api/admin/settings.ts - 采用 upstream 的 *_configured 字段名 - 添加 enable_identity_patch 和 identity_patch_prompt 字段 - frontend/src/views/admin/SettingsView.vue - 合并 turnstile_secret_key_configured 字段 - 保留 enable_identity_patch 和 identity_patch_prompt 字段
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@@ -25,13 +25,14 @@ import (
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"time"
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"github.com/Wei-Shaw/sub2api/internal/pkg/proxyutil"
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"github.com/Wei-Shaw/sub2api/internal/util/urlvalidator"
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)
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// Transport 连接池默认配置
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const (
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defaultMaxIdleConns = 100 // 最大空闲连接数
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defaultMaxIdleConnsPerHost = 10 // 每个主机最大空闲连接数
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defaultIdleConnTimeout = 90 * time.Second // 空闲连接超时时间
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defaultIdleConnTimeout = 90 * time.Second // 空闲连接超时时间(建议小于上游 LB 超时)
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)
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// Options 定义共享 HTTP 客户端的构建参数
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@@ -40,6 +41,9 @@ type Options struct {
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Timeout time.Duration // 请求总超时时间
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ResponseHeaderTimeout time.Duration // 等待响应头超时时间
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InsecureSkipVerify bool // 是否跳过 TLS 证书验证
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ProxyStrict bool // 严格代理模式:代理失败时返回错误而非回退
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ValidateResolvedIP bool // 是否校验解析后的 IP(防止 DNS Rebinding)
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AllowPrivateHosts bool // 允许私有地址解析(与 ValidateResolvedIP 一起使用)
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// 可选的连接池参数(不设置则使用默认值)
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MaxIdleConns int // 最大空闲连接总数(默认 100)
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@@ -79,8 +83,12 @@ func buildClient(opts Options) (*http.Client, error) {
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return nil, err
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}
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var rt http.RoundTripper = transport
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if opts.ValidateResolvedIP && !opts.AllowPrivateHosts {
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rt = &validatedTransport{base: transport}
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}
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return &http.Client{
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Transport: transport,
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Transport: rt,
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Timeout: opts.Timeout,
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}, nil
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}
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@@ -126,13 +134,32 @@ func buildTransport(opts Options) (*http.Transport, error) {
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}
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func buildClientKey(opts Options) string {
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return fmt.Sprintf("%s|%s|%s|%t|%d|%d|%d",
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return fmt.Sprintf("%s|%s|%s|%t|%t|%t|%t|%d|%d|%d",
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strings.TrimSpace(opts.ProxyURL),
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opts.Timeout.String(),
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opts.ResponseHeaderTimeout.String(),
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opts.InsecureSkipVerify,
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opts.ProxyStrict,
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opts.ValidateResolvedIP,
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opts.AllowPrivateHosts,
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opts.MaxIdleConns,
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opts.MaxIdleConnsPerHost,
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opts.MaxConnsPerHost,
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)
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}
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type validatedTransport struct {
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base http.RoundTripper
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}
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func (t *validatedTransport) RoundTrip(req *http.Request) (*http.Response, error) {
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if req != nil && req.URL != nil {
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host := strings.TrimSpace(req.URL.Hostname())
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if host != "" {
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if err := urlvalidator.ValidateResolvedIP(host); err != nil {
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return nil, err
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}
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}
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}
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return t.base.RoundTrip(req)
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}
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