chore: directory migration - gateway→server, web→client/electron
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161
server/internal/middleware/user.go
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161
server/internal/middleware/user.go
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package middleware
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import (
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"context"
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"net/http"
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"strings"
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"github.com/agentmail/gateway/internal/config"
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"github.com/agentmail/gateway/internal/models"
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"github.com/agentmail/gateway/internal/repo"
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)
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const UserKey contextKey = "auth_user"
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// SetSessionCookie 写入登录 Cookie
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func SetSessionCookie(w http.ResponseWriter, token string, maxAge int) {
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http.SetCookie(w, &http.Cookie{
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Name: config.C.CookieName,
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Value: token,
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Path: "/",
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HttpOnly: true,
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Secure: config.C.SecureCookie,
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SameSite: http.SameSiteLaxMode,
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MaxAge: maxAge,
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})
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}
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// ClearSessionCookie 清除登录 Cookie
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func ClearSessionCookie(w http.ResponseWriter) {
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SetSessionCookie(w, "", -1)
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}
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// SessionToken 从请求中取出登录令牌
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func SessionToken(r *http.Request) string {
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c, err := r.Cookie(config.C.CookieName)
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if err != nil {
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return ""
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}
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return c.Value
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}
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// QueryToken 从 ?access_token= 取出令牌。
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//
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// 仅为浏览器 EventSource 存在:它不支持自定义请求头,因此订阅 SSE 时
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// 除了 Cookie 就只剩 query 一条路。代价是令牌会进访问日志,
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// 所以只在 SSE 端点启用,其余接口一律要求 Authorization 头。
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func QueryToken(r *http.Request) string {
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return strings.TrimSpace(r.URL.Query().Get("access_token"))
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}
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// UserAuth 校验人类用户登录态,把 *models.User 注入 context。
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// 支持两种凭证:浏览器 Cookie,或 Authorization: Bearer <user_key_token>(第三方客户端)。
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func UserAuth(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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u, err := resolve(r)
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if err != nil {
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// 只有 Cookie 路径才清 Cookie;密钥认证失败不应频带浏览器会话
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if bearerToken(r) == "" {
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ClearSessionCookie(w)
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}
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusUnauthorized)
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w.Write([]byte(`{"error":"not authenticated"}`))
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return
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}
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next.ServeHTTP(w, r.WithContext(context.WithValue(r.Context(), UserKey, u)))
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})
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}
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// AdminOnly 叠在 UserAuth 之后,要求 role = admin
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func AdminOnly(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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u := GetUser(r)
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if u == nil || !u.IsAdmin() {
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusForbidden)
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w.Write([]byte(`{"error":"admin only"}`))
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return
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}
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next.ServeHTTP(w, r)
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})
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}
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// UserAuthAllowQueryToken 与 UserAuth 相同,但额外接受 ?access_token=。
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//
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// 只给那些【由浏览器直接发起、无法设置请求头】的端点用(附件下载的 <a download>)。
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// URL 里的令牌会进访问日志与 Referer,所以不能全局开启。
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func UserAuthAllowQueryToken(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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u, err := resolve(r)
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if err != nil {
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if token := QueryToken(r); token != "" {
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if ku, kErr := repo.VerifyUserKey(r.Context(), token); kErr == nil {
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u, err = ku, nil
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}
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}
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}
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if err != nil {
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusUnauthorized)
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w.Write([]byte(`{"error":"not authenticated"}`))
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return
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}
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next.ServeHTTP(w, r.WithContext(context.WithValue(r.Context(), UserKey, u)))
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})
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}
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// GetUser 从 context 取登录用户;未登录返回 nil
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func GetUser(r *http.Request) *models.User {
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if v := r.Context().Value(UserKey); v != nil {
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if u, ok := v.(*models.User); ok {
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return u
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}
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}
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return nil
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}
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// GetUserName 便捷取登录用户名
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func GetUserName(r *http.Request) string {
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if u := GetUser(r); u != nil {
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return u.Username
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}
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return ""
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}
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// OptionalUser 解析登录态但不拦截(SSE 等需要区分匿名/登录的场景)
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func OptionalUser(r *http.Request) *models.User {
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u, err := resolve(r)
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if err != nil {
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return nil
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}
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return u
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}
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// OptionalUserWithQuery 在 resolve 的三种凭证之外额外接受 ?access_token=。
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// 仅 SSE 用:浏览器 EventSource 无法带自定义头。
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func OptionalUserWithQuery(r *http.Request) *models.User {
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if u := OptionalUser(r); u != nil {
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return u
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}
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if token := QueryToken(r); token != "" {
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if u, err := repo.VerifyUserKey(r.Context(), token); err == nil {
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return u
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}
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}
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return nil
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}
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// resolve 解析调用者身份:Cookie 优先,其次 Bearer 用户密钥。
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//
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// 用户密钥只能走到这里(/me/* 与会话级接口),Agent 密钥只能走 AgentAuth,
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// 两者各自查自己的表,因此拿 Agent 密钥读人类邮箱会得到 not authenticated。
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func resolve(r *http.Request) (*models.User, error) {
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if token := SessionToken(r); token != "" {
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return repo.ResolveUserSession(r.Context(), token)
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}
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if token := bearerToken(r); token != "" {
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return repo.VerifyUserKey(r.Context(), token)
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}
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return nil, repo.ErrSessionInvalid
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}
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