LanQin
045132146b
- 新增邮件签名的数据表、接口和前端管理页，支持全局/邮箱默认签名的创建、编辑、删除与查询。 - 写信时自动带入当前邮箱的默认签名，并优化手动输入内容时的覆盖行为。 - 补充第三方邮件客户端配置页，展示 IMAP/POP3/SMTP 连接信息及公共主机名。 - 扩展部署配置，开放 POP3S/SMTPS 端口并启用 Dovecot POP3 服务。
422 lines
15 KiB
Go
422 lines
15 KiB
Go
package app
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import (
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"context"
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"errors"
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"net/http"
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"strconv"
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"strings"
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"time"
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)
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type SystemSettings struct {
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PublicHostname string `json:"publicHostname"`
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PublicBaseURL string `json:"publicBaseUrl"`
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SMTPHost string `json:"smtpHost"`
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SMTPPort string `json:"smtpPort"`
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SMTPUsername string `json:"smtpUsername"`
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SMTPPasswordSet bool `json:"smtpPasswordSet"`
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SMTPRequireTLS bool `json:"smtpRequireTls"`
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MaildirRoot string `json:"maildirRoot"`
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MaildirScanSeconds int `json:"maildirScanSeconds"`
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SessionTTLHours int `json:"sessionTtlHours"`
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AllowInsecureHTTP bool `json:"allowInsecureHttp"`
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OpenRegistration bool `json:"openRegistration"`
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TwoFactorEnabled bool `json:"twoFactorEnabled"`
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TurnstileEnabled bool `json:"turnstileEnabled"`
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TurnstileSiteKey string `json:"turnstileSiteKey"`
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TurnstileSecretSet bool `json:"turnstileSecretSet"`
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CatchAllEnabled bool `json:"catchAllEnabled"`
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MailAutoRefresh bool `json:"mailAutoRefresh"`
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MailRefreshSeconds int `json:"mailRefreshSeconds"`
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UserMailboxApplyEnabled bool `json:"userMailboxApplyEnabled"`
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UserMailboxDomainIDs []string `json:"userMailboxDomainIds"`
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ReservedMailboxPrefixes string `json:"reservedMailboxPrefixes"`
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}
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type systemSettingsUpdate struct {
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PublicHostname string `json:"publicHostname"`
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PublicBaseURL string `json:"publicBaseUrl"`
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SMTPHost string `json:"smtpHost"`
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SMTPPort string `json:"smtpPort"`
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SMTPUsername string `json:"smtpUsername"`
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SMTPPassword string `json:"smtpPassword"`
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SMTPRequireTLS bool `json:"smtpRequireTls"`
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MaildirRoot string `json:"maildirRoot"`
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MaildirScanSeconds int `json:"maildirScanSeconds"`
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SessionTTLHours int `json:"sessionTtlHours"`
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AllowInsecureHTTP bool `json:"allowInsecureHttp"`
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OpenRegistration bool `json:"openRegistration"`
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TwoFactorEnabled bool `json:"twoFactorEnabled"`
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TurnstileEnabled bool `json:"turnstileEnabled"`
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TurnstileSiteKey string `json:"turnstileSiteKey"`
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TurnstileSecretKey string `json:"turnstileSecretKey"`
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CatchAllEnabled bool `json:"catchAllEnabled"`
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MailAutoRefresh bool `json:"mailAutoRefresh"`
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MailRefreshSeconds int `json:"mailRefreshSeconds"`
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UserMailboxApplyEnabled bool `json:"userMailboxApplyEnabled"`
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UserMailboxDomainIDs []string `json:"userMailboxDomainIds"`
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ReservedMailboxPrefixes string `json:"reservedMailboxPrefixes"`
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}
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type PublicSettings struct {
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OpenRegistration bool `json:"openRegistration"`
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TurnstileEnabled bool `json:"turnstileEnabled"`
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TurnstileSiteKey string `json:"turnstileSiteKey"`
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PublicHostname string `json:"publicHostname"`
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MailAutoRefresh bool `json:"mailAutoRefresh"`
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MailRefreshMs int `json:"mailRefreshMs"`
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MailboxDomains []PublicDomain `json:"mailboxDomains,omitempty"`
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}
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type PublicDomain struct {
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ID string `json:"id"`
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Name string `json:"name"`
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}
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type smtpTestRequest struct {
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To string `json:"to"`
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}
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func (a *App) handleGetSystemSettings(w http.ResponseWriter, r *http.Request) {
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respondJSON(w, http.StatusOK, a.systemSettingsSnapshot())
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}
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func (a *App) handlePublicSettings(w http.ResponseWriter, r *http.Request) {
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enabled := a.cfg.TurnstileEnabled && strings.TrimSpace(a.cfg.TurnstileSiteKey) != "" && strings.TrimSpace(a.cfg.TurnstileSecretKey) != ""
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refreshSeconds := a.cfg.MailRefreshSeconds
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if refreshSeconds <= 0 {
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refreshSeconds = 30
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}
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settings := PublicSettings{OpenRegistration: a.cfg.OpenRegistration, TurnstileEnabled: enabled, TurnstileSiteKey: a.cfg.TurnstileSiteKey, PublicHostname: a.cfg.PublicHostname, MailAutoRefresh: a.cfg.MailAutoRefresh, MailRefreshMs: refreshSeconds * 1000}
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// Include available domains for mailbox creation during registration
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if a.cfg.OpenRegistration {
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rows, err := a.db.QueryContext(r.Context(), `SELECT id, name FROM domains WHERE status='active' ORDER BY name`)
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if err == nil {
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defer rows.Close()
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for rows.Next() {
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var d PublicDomain
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if err := rows.Scan(&d.ID, &d.Name); err != nil {
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continue
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}
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settings.MailboxDomains = append(settings.MailboxDomains, d)
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}
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}
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}
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respondJSON(w, http.StatusOK, settings)
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}
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func (a *App) handleUpdateSystemSettings(w http.ResponseWriter, r *http.Request) {
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var req systemSettingsUpdate
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if err := decodeJSON(r, &req); err != nil {
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badRequest(w, err)
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return
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}
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next := a.cfg
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next.PublicHostname = normalizeHostname(req.PublicHostname)
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if next.PublicHostname == "" {
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badRequest(w, errors.New("publicHostname is required"))
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return
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}
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next.PublicBaseURL = strings.TrimSpace(req.PublicBaseURL)
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next.SMTPHost = strings.TrimSpace(req.SMTPHost)
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next.SMTPPort = strings.TrimSpace(req.SMTPPort)
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if next.SMTPPort == "" {
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next.SMTPPort = "25"
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}
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if _, err := strconv.Atoi(next.SMTPPort); err != nil {
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badRequest(w, errors.New("smtpPort must be a number"))
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return
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}
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next.SMTPUsername = strings.TrimSpace(req.SMTPUsername)
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if strings.TrimSpace(req.SMTPPassword) != "" {
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next.SMTPPassword = req.SMTPPassword
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}
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next.SMTPRequireTLS = req.SMTPRequireTLS
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next.MaildirRoot = strings.TrimSpace(req.MaildirRoot)
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if req.MaildirScanSeconds <= 0 {
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req.MaildirScanSeconds = 30
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}
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next.MaildirScanSeconds = req.MaildirScanSeconds
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if req.SessionTTLHours <= 0 {
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req.SessionTTLHours = 24 * 7
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}
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next.SessionTTLHours = req.SessionTTLHours
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next.AllowInsecureHTTP = req.AllowInsecureHTTP
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next.OpenRegistration = req.OpenRegistration
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next.TwoFactorEnabled = req.TwoFactorEnabled
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next.TurnstileEnabled = req.TurnstileEnabled
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next.TurnstileSiteKey = strings.TrimSpace(req.TurnstileSiteKey)
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if strings.TrimSpace(req.TurnstileSecretKey) != "" {
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next.TurnstileSecretKey = strings.TrimSpace(req.TurnstileSecretKey)
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}
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if next.TurnstileEnabled && (next.TurnstileSiteKey == "" || next.TurnstileSecretKey == "") {
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badRequest(w, errors.New("turnstile keys are required when enabled"))
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return
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}
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next.CatchAllEnabled = req.CatchAllEnabled
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next.MailAutoRefresh = req.MailAutoRefresh
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if req.MailRefreshSeconds <= 0 {
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req.MailRefreshSeconds = 30
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}
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next.MailRefreshSeconds = req.MailRefreshSeconds
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next.UserMailboxApplyEnabled = req.UserMailboxApplyEnabled
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next.UserMailboxDomainIDs = strings.Join(cleanIDList(req.UserMailboxDomainIDs), ",")
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next.ReservedMailboxPrefixes = strings.Join(parseReservedPrefixes(req.ReservedMailboxPrefixes), ",")
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if err := a.saveSystemSettings(r.Context(), next); err != nil {
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respondError(w, http.StatusInternalServerError, "failed to save settings")
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return
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}
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a.cfg = next
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respondJSON(w, http.StatusOK, a.systemSettingsSnapshot())
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}
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func (a *App) handleTestSMTP(w http.ResponseWriter, r *http.Request) {
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var req smtpTestRequest
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if err := decodeJSON(r, &req); err != nil {
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badRequest(w, err)
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return
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}
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cfg := a.cfg
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if strings.TrimSpace(cfg.SMTPHost) == "" {
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badRequest(w, errors.New("SMTP 主机未设置"))
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return
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}
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if strings.TrimSpace(cfg.SMTPPort) == "" {
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cfg.SMTPPort = "25"
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}
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if _, err := strconv.Atoi(cfg.SMTPPort); err != nil {
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badRequest(w, errors.New("SMTP 端口无效"))
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return
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}
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to := normalizeEmail(req.To)
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if to == "" || !strings.Contains(to, "@") {
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badRequest(w, errors.New("收件邮箱无效"))
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return
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}
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from := cfg.AdminEmail
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if user := currentUser(r); user != nil && strings.Contains(user.Email, "@") {
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from = user.Email
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}
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if strings.TrimSpace(from) == "" || !strings.Contains(from, "@") {
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badRequest(w, errors.New("发件邮箱无效"))
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return
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}
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domain := cfg.PublicHostname
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if parts := strings.SplitN(from, "@", 2); len(parts) == 2 && parts[1] != "" {
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domain = parts[1]
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}
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if domain == "" {
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domain = "lanqin.local"
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}
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now := a.now().UTC()
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subject := "LanQin Email SMTP 测试"
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bodyText := "这是一封 SMTP 测试邮件。"
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bodyHTML := "<p>这是一封 SMTP 测试邮件。</p>"
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if tpl, err := a.mailTemplate(r.Context(), smtpTestTemplateKey); err == nil {
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rendered := renderMailTemplate(tpl, templateRenderData{
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To: to,
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From: from,
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PublicHostname: cfg.PublicHostname,
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PublicBaseURL: cfg.PublicBaseURL,
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Time: now,
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})
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subject, bodyText, bodyHTML = rendered.Subject, rendered.Text, rendered.HTML
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}
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mimeBytes, err := BuildMIME(MIMEMessage{
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From: from,
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To: []string{to},
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Subject: subject,
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Text: bodyText,
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HTML: bodyHTML,
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MessageID: "<" + newID("msg") + "@" + domain + ">",
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Date: now,
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})
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if err != nil {
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badRequest(w, err)
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return
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}
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if err := sendSMTPWithConfig(cfg, from, []string{to}, mimeBytes); err != nil {
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respondError(w, http.StatusBadGateway, err.Error())
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return
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}
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respondJSON(w, http.StatusOK, map[string]any{"ok": true})
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}
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func (a *App) systemSettingsSnapshot() SystemSettings {
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return SystemSettings{
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PublicHostname: a.cfg.PublicHostname,
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PublicBaseURL: a.cfg.PublicBaseURL,
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SMTPHost: a.cfg.SMTPHost,
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SMTPPort: a.cfg.SMTPPort,
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SMTPUsername: a.cfg.SMTPUsername,
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SMTPPasswordSet: strings.TrimSpace(a.cfg.SMTPPassword) != "",
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SMTPRequireTLS: a.cfg.SMTPRequireTLS,
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MaildirRoot: a.cfg.MaildirRoot,
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MaildirScanSeconds: a.cfg.MaildirScanSeconds,
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SessionTTLHours: a.cfg.SessionTTLHours,
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AllowInsecureHTTP: a.cfg.AllowInsecureHTTP,
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OpenRegistration: a.cfg.OpenRegistration,
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TwoFactorEnabled: a.cfg.TwoFactorEnabled,
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TurnstileEnabled: a.cfg.TurnstileEnabled,
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TurnstileSiteKey: a.cfg.TurnstileSiteKey,
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TurnstileSecretSet: strings.TrimSpace(a.cfg.TurnstileSecretKey) != "",
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CatchAllEnabled: a.cfg.CatchAllEnabled,
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MailAutoRefresh: a.cfg.MailAutoRefresh,
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MailRefreshSeconds: a.cfg.MailRefreshSeconds,
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UserMailboxApplyEnabled: a.cfg.UserMailboxApplyEnabled,
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UserMailboxDomainIDs: cleanIDList(strings.Split(a.cfg.UserMailboxDomainIDs, ",")),
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ReservedMailboxPrefixes: strings.Join(parseReservedPrefixes(a.cfg.ReservedMailboxPrefixes), "\n"),
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}
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}
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func (a *App) loadPersistedSystemSettings(ctx context.Context) error {
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rows, err := a.db.QueryContext(ctx, `SELECT key,value FROM system_settings`)
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if err != nil {
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return err
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}
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defer rows.Close()
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for rows.Next() {
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var key, value string
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if err := rows.Scan(&key, &value); err != nil {
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return err
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}
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switch key {
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case "publicHostname":
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a.cfg.PublicHostname = value
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case "publicBaseUrl":
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a.cfg.PublicBaseURL = value
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case "smtpHost":
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a.cfg.SMTPHost = value
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case "smtpPort":
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a.cfg.SMTPPort = value
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case "smtpUsername":
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a.cfg.SMTPUsername = value
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case "smtpPassword":
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a.cfg.SMTPPassword = value
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case "smtpRequireTls":
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a.cfg.SMTPRequireTLS = value == "true"
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case "maildirRoot":
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a.cfg.MaildirRoot = value
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case "maildirScanSeconds":
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if n, err := strconv.Atoi(value); err == nil && n > 0 {
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a.cfg.MaildirScanSeconds = n
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}
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case "sessionTtlHours":
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if n, err := strconv.Atoi(value); err == nil && n > 0 {
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a.cfg.SessionTTLHours = n
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}
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case "allowInsecureHttp":
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a.cfg.AllowInsecureHTTP = value == "true"
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case "openRegistration":
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a.cfg.OpenRegistration = value == "true"
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case "twoFactorEnabled":
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a.cfg.TwoFactorEnabled = value == "true"
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case "turnstileEnabled":
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a.cfg.TurnstileEnabled = value == "true"
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case "turnstileSiteKey":
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a.cfg.TurnstileSiteKey = value
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case "turnstileSecretKey":
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a.cfg.TurnstileSecretKey = value
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case "catchAllEnabled":
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a.cfg.CatchAllEnabled = value == "true"
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case "mailAutoRefresh":
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a.cfg.MailAutoRefresh = value == "true"
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case "mailRefreshSeconds":
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if n, err := strconv.Atoi(value); err == nil && n > 0 {
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a.cfg.MailRefreshSeconds = n
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}
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case "userMailboxApplyEnabled":
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a.cfg.UserMailboxApplyEnabled = value == "true"
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case "userMailboxDomainIds":
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a.cfg.UserMailboxDomainIDs = value
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case "reservedMailboxPrefixes":
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a.cfg.ReservedMailboxPrefixes = value
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}
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}
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return rows.Err()
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}
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func (a *App) saveSystemSettings(ctx context.Context, cfg Config) error {
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values := map[string]string{
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"publicHostname": cfg.PublicHostname,
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"publicBaseUrl": cfg.PublicBaseURL,
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"smtpHost": cfg.SMTPHost,
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"smtpPort": cfg.SMTPPort,
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"smtpUsername": cfg.SMTPUsername,
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"smtpPassword": cfg.SMTPPassword,
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"smtpRequireTls": strconv.FormatBool(cfg.SMTPRequireTLS),
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"maildirRoot": cfg.MaildirRoot,
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"maildirScanSeconds": strconv.Itoa(cfg.MaildirScanSeconds),
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"sessionTtlHours": strconv.Itoa(cfg.SessionTTLHours),
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"allowInsecureHttp": strconv.FormatBool(cfg.AllowInsecureHTTP),
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"openRegistration": strconv.FormatBool(cfg.OpenRegistration),
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"twoFactorEnabled": strconv.FormatBool(cfg.TwoFactorEnabled),
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"turnstileEnabled": strconv.FormatBool(cfg.TurnstileEnabled),
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"turnstileSiteKey": cfg.TurnstileSiteKey,
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"turnstileSecretKey": cfg.TurnstileSecretKey,
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"catchAllEnabled": strconv.FormatBool(cfg.CatchAllEnabled),
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"mailAutoRefresh": strconv.FormatBool(cfg.MailAutoRefresh),
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"mailRefreshSeconds": strconv.Itoa(cfg.MailRefreshSeconds),
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"userMailboxApplyEnabled": strconv.FormatBool(cfg.UserMailboxApplyEnabled),
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"userMailboxDomainIds": strings.Join(cleanIDList(strings.Split(cfg.UserMailboxDomainIDs, ",")), ","),
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"reservedMailboxPrefixes": strings.Join(parseReservedPrefixes(cfg.ReservedMailboxPrefixes), ","),
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}
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now := a.now().UTC().Format(time.RFC3339Nano)
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tx, err := a.db.BeginTx(ctx, nil)
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if err != nil {
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return err
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}
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defer tx.Rollback()
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for key, value := range values {
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if _, err := tx.ExecContext(ctx, `INSERT INTO system_settings(key,value,updated_at) VALUES(?,?,?)
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ON CONFLICT(key) DO UPDATE SET value=excluded.value, updated_at=excluded.updated_at`, key, value, now); err != nil {
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return err
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}
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}
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return tx.Commit()
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}
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func cleanIDList(items []string) []string {
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seen := map[string]bool{}
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out := []string{}
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for _, item := range items {
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item = strings.TrimSpace(item)
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if item == "" || seen[item] {
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continue
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}
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seen[item] = true
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out = append(out, item)
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}
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return out
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}
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func parseReservedPrefixes(value string) []string {
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value = strings.NewReplacer("\r", "\n", ",", "\n", ";", "\n", "，", "\n", "；", "\n").Replace(value)
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seen := map[string]bool{}
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out := []string{}
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for _, item := range strings.Split(value, "\n") {
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item = normalizeLocalPart(item)
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if item == "" || seen[item] {
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continue
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}
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seen[item] = true
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out = append(out, item)
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}
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return out
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}
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func normalizeHostname(value string) string {
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value = strings.ToLower(strings.TrimSpace(value))
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value = strings.TrimSuffix(value, ".")
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value = strings.TrimPrefix(value, "http://")
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value = strings.TrimPrefix(value, "https://")
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if i := strings.Index(value, "/"); i >= 0 {
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value = value[:i]
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}
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return value
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}
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