二阶段差不多
This commit is contained in:
@@ -1,20 +1,30 @@
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package handlers
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import (
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"fmt"
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"log"
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"net/http"
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"time"
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"mail_go/config"
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"mail_go/internal/auth"
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"mail_go/internal/db"
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"mail_go/internal/store"
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"github.com/gin-contrib/sessions"
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"github.com/gin-gonic/gin"
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)
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// AuthHandler handles authentication-related routes (login, logout).
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// AuthHandler handles authentication-related routes (login, logout, LDAP, OAuth2).
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type AuthHandler struct {
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stores *store.Stores
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stores *store.Stores
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authCfg config.AuthConfig
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banCfg config.BanConfig
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}
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// NewAuthHandler creates a new AuthHandler with the given stores.
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func NewAuthHandler(stores *store.Stores) *AuthHandler {
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return &AuthHandler{stores: stores}
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// NewAuthHandler creates a new AuthHandler with the given stores, auth config, and ban config.
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func NewAuthHandler(stores *store.Stores, authCfg config.AuthConfig, banCfg config.BanConfig) *AuthHandler {
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return &AuthHandler{stores: stores, authCfg: authCfg, banCfg: banCfg}
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}
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// ShowLogin renders the login page.
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@@ -26,7 +36,10 @@ func (h *AuthHandler) ShowLogin(c *gin.Context) {
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return
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}
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c.HTML(200, "login", gin.H{
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"error": "",
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"error": "",
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"oauth2Enabled": h.authCfg.OAuth2Enabled,
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"ldapEnabled": h.authCfg.LDAPEnabled,
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"oauth2Provider": h.authCfg.OAuth2Provider,
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})
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}
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@@ -34,20 +47,239 @@ func (h *AuthHandler) ShowLogin(c *gin.Context) {
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// It authenticates the user with email and password, sets session data
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// on success, or re-renders the login page with an error on failure.
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func (h *AuthHandler) DoLogin(c *gin.Context) {
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ip := c.ClientIP()
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// Check if IP is banned
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banned, entry := h.stores.Bans.IsBanned(ip)
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if banned {
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c.HTML(http.StatusForbidden, "banned", gin.H{"entry": entry})
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return
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}
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email := c.PostForm("email")
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password := c.PostForm("password")
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if email == "" || password == "" {
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c.HTML(200, "login", gin.H{
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"error": "请输入邮箱和密码",
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"error": "请输入邮箱和密码",
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"oauth2Enabled": h.authCfg.OAuth2Enabled,
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"ldapEnabled": h.authCfg.LDAPEnabled,
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"oauth2Provider": h.authCfg.OAuth2Provider,
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})
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return
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}
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user, err := h.stores.Users.Authenticate(email, password)
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if err != nil {
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failCount, _ := h.stores.Bans.IncrementFail(ip)
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if failCount >= h.banCfg.MaxFailAttempts {
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banDuration := time.Duration(h.banCfg.BanDurationMin) * time.Minute
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banEntry := &db.BanEntry{
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IPAddress: ip,
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Reason: fmt.Sprintf("登录失败次数过多 (%d次)", failCount),
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FailCount: failCount,
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ExpiresAt: time.Now().Add(banDuration),
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}
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h.stores.Bans.Create(banEntry)
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c.HTML(http.StatusForbidden, "banned", gin.H{"entry": banEntry})
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return
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}
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remaining := h.banCfg.MaxFailAttempts - failCount
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c.HTML(200, "login", gin.H{
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"error": "用户名或密码错误",
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"error": fmt.Sprintf("用户名或密码错误，还剩 %d 次尝试机会", remaining),
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"oauth2Enabled": h.authCfg.OAuth2Enabled,
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"ldapEnabled": h.authCfg.LDAPEnabled,
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"oauth2Provider": h.authCfg.OAuth2Provider,
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})
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return
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}
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// Login successful: reset fail count
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h.stores.Bans.ResetFail(ip)
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// Set session values
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session := sessions.Default(c)
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session.Set("userID", user.ID)
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session.Set("userEmail", user.Username+"@"+user.Domain.Name)
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session.Set("isAdmin", user.IsAdmin)
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if err := session.Save(); err != nil {
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c.HTML(200, "login", gin.H{
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"error": "会话保存失败，请重试",
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"oauth2Enabled": h.authCfg.OAuth2Enabled,
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"ldapEnabled": h.authCfg.LDAPEnabled,
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"oauth2Provider": h.authCfg.OAuth2Provider,
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})
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return
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}
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c.Redirect(302, "/inbox")
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}
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// LDAPLogin handles LDAP authentication form submission.
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func (h *AuthHandler) LDAPLogin(c *gin.Context) {
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ip := c.ClientIP()
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// Check if IP is banned
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banned, entry := h.stores.Bans.IsBanned(ip)
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if banned {
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c.HTML(http.StatusForbidden, "banned", gin.H{"entry": entry})
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return
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}
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username := c.PostForm("username")
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password := c.PostForm("password")
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if username == "" || password == "" {
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c.HTML(200, "login", gin.H{
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"error": "请输入LDAP用户名和密码",
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"oauth2Enabled": h.authCfg.OAuth2Enabled,
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"ldapEnabled": h.authCfg.LDAPEnabled,
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"oauth2Provider": h.authCfg.OAuth2Provider,
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})
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return
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}
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provider := auth.NewLDAPProvider(h.authCfg)
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email, err := provider.Authenticate(map[string]string{
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"username": username,
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"password": password,
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})
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if err != nil {
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log.Printf("LDAP 认证失败: %v", err)
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failCount, _ := h.stores.Bans.IncrementFail(ip)
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if failCount >= h.banCfg.MaxFailAttempts {
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banDuration := time.Duration(h.banCfg.BanDurationMin) * time.Minute
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banEntry := &db.BanEntry{
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IPAddress: ip,
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Reason: fmt.Sprintf("登录失败次数过多 (%d次)", failCount),
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FailCount: failCount,
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ExpiresAt: time.Now().Add(banDuration),
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}
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h.stores.Bans.Create(banEntry)
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c.HTML(http.StatusForbidden, "banned", gin.H{"entry": banEntry})
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return
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}
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remaining := h.banCfg.MaxFailAttempts - failCount
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c.HTML(200, "login", gin.H{
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"error": fmt.Sprintf("LDAP 认证失败，还剩 %d 次尝试机会: %v", remaining, err),
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"oauth2Enabled": h.authCfg.OAuth2Enabled,
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"ldapEnabled": h.authCfg.LDAPEnabled,
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"oauth2Provider": h.authCfg.OAuth2Provider,
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})
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return
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}
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// Look up or auto-create user by email
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user, err := h.stores.Users.GetByEmail(email)
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if err != nil {
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c.HTML(200, "login", gin.H{
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"error": fmt.Sprintf("LDAP 用户 %s 在系统中不存在", email),
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"oauth2Enabled": h.authCfg.OAuth2Enabled,
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"ldapEnabled": h.authCfg.LDAPEnabled,
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"oauth2Provider": h.authCfg.OAuth2Provider,
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})
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return
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}
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if !user.IsActive {
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c.HTML(200, "login", gin.H{
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"error": "用户已被禁用",
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"oauth2Enabled": h.authCfg.OAuth2Enabled,
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"ldapEnabled": h.authCfg.LDAPEnabled,
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"oauth2Provider": h.authCfg.OAuth2Provider,
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})
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return
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}
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// Login successful: reset fail count
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h.stores.Bans.ResetFail(ip)
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// Set session values
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session := sessions.Default(c)
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session.Set("userID", user.ID)
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session.Set("userEmail", user.Username+"@"+user.Domain.Name)
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session.Set("isAdmin", user.IsAdmin)
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if err := session.Save(); err != nil {
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c.HTML(200, "login", gin.H{
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"error": "会话保存失败，请重试",
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"oauth2Enabled": h.authCfg.OAuth2Enabled,
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"ldapEnabled": h.authCfg.LDAPEnabled,
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"oauth2Provider": h.authCfg.OAuth2Provider,
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})
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return
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}
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c.Redirect(302, "/inbox")
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}
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// OAuth2Start redirects to the OAuth2 provider's authorization page.
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func (h *AuthHandler) OAuth2Start(c *gin.Context) {
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if !h.authCfg.OAuth2Enabled {
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c.String(http.StatusBadRequest, "OAuth2 未启用")
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return
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}
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provider := auth.NewOAuth2Provider(h.authCfg)
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// Use a simple state for CSRF protection (in production, use a random token)
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state := "mailgo_oauth2_state"
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c.Redirect(http.StatusFound, provider.GetAuthURL(state))
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}
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// OAuth2Callback handles the OAuth2 provider's callback after user authorization.
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func (h *AuthHandler) OAuth2Callback(c *gin.Context) {
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if !h.authCfg.OAuth2Enabled {
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c.String(http.StatusBadRequest, "OAuth2 未启用")
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return
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}
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code := c.Query("code")
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if code == "" {
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c.HTML(200, "login", gin.H{
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"error": "OAuth2 授权码缺失",
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"oauth2Enabled": h.authCfg.OAuth2Enabled,
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"ldapEnabled": h.authCfg.LDAPEnabled,
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"oauth2Provider": h.authCfg.OAuth2Provider,
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})
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return
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}
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provider := auth.NewOAuth2Provider(h.authCfg)
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email, err := provider.HandleCallback(code)
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if err != nil {
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log.Printf("OAuth2 回调失败: %v", err)
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c.HTML(200, "login", gin.H{
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"error": fmt.Sprintf("OAuth2 认证失败: %v", err),
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"oauth2Enabled": h.authCfg.OAuth2Enabled,
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"ldapEnabled": h.authCfg.LDAPEnabled,
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"oauth2Provider": h.authCfg.OAuth2Provider,
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})
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return
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}
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// Look up user by email
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user, err := h.stores.Users.GetByEmail(email)
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if err != nil {
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c.HTML(200, "login", gin.H{
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"error": fmt.Sprintf("OAuth2 用户 %s 在系统中不存在", email),
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"oauth2Enabled": h.authCfg.OAuth2Enabled,
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"ldapEnabled": h.authCfg.LDAPEnabled,
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"oauth2Provider": h.authCfg.OAuth2Provider,
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})
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return
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}
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if !user.IsActive {
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c.HTML(200, "login", gin.H{
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"error": "用户已被禁用",
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"oauth2Enabled": h.authCfg.OAuth2Enabled,
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"ldapEnabled": h.authCfg.LDAPEnabled,
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"oauth2Provider": h.authCfg.OAuth2Provider,
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})
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return
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}
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@@ -59,7 +291,10 @@ func (h *AuthHandler) DoLogin(c *gin.Context) {
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session.Set("isAdmin", user.IsAdmin)
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if err := session.Save(); err != nil {
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c.HTML(200, "login", gin.H{
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"error": "会话保存失败，请重试",
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"error": "会话保存失败，请重试",
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"oauth2Enabled": h.authCfg.OAuth2Enabled,
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"ldapEnabled": h.authCfg.LDAPEnabled,
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"oauth2Provider": h.authCfg.OAuth2Provider,
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})
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return
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}
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