Files
NewSzxcn-Email/apps/api/internal/app/forwarding_handlers.go
T

635 lines
25 KiB
Go

package app
import (
"context"
"database/sql"
"errors"
"fmt"
"net/http"
"net/url"
"strings"
"time"
"github.com/go-chi/chi/v5"
)
const forwardingVerificationTTL = 24 * time.Hour
type ForwardingVerifiedEmail struct {
ID string `json:"id"`
Email string `json:"email"`
Verified bool `json:"verified"`
CreatedAt time.Time `json:"createdAt"`
VerifiedAt *time.Time `json:"verifiedAt,omitempty"`
VerificationSentAt *time.Time `json:"verificationSentAt,omitempty"`
VerificationExpiresAt *time.Time `json:"verificationExpiresAt,omitempty"`
DeliveryStatus string `json:"deliveryStatus,omitempty"`
DeliveryError string `json:"deliveryError,omitempty"`
}
type MailboxForwardingRule struct {
MailboxID string `json:"mailboxId"`
TargetEmail string `json:"targetEmail"`
TargetEmails []string `json:"targetEmails"`
}
type ForwardingSettings struct {
VerifiedEmails []ForwardingVerifiedEmail `json:"verifiedEmails"`
AccountTargetEmail string `json:"accountTargetEmail"`
AccountTargetEmails []string `json:"accountTargetEmails"`
MailboxRules []MailboxForwardingRule `json:"mailboxRules"`
}
func (a *App) handleForwardingSettings(w http.ResponseWriter, r *http.Request) {
user := currentUser(r)
settings, err := a.forwardingSettings(r.Context(), user.ID)
if err != nil {
respondError(w, http.StatusInternalServerError, "failed to load forwarding settings")
return
}
respondJSON(w, http.StatusOK, settings)
}
func (a *App) handleAddForwardingVerifiedEmail(w http.ResponseWriter, r *http.Request) {
user := currentUser(r)
var req struct {
Email string `json:"email"`
}
if err := decodeJSON(r, &req); err != nil {
badRequest(w, err)
return
}
email, ok := a.cleanForwardingVerificationEmail(w, r, user.ID, req.Email)
if !ok {
return
}
id, verified, err := a.forwardingVerifiedEmailState(r.Context(), user.ID, email)
if err != nil && !errors.Is(err, sql.ErrNoRows) {
respondError(w, http.StatusInternalServerError, "failed to load verified email")
return
}
if verified {
settings, err := a.forwardingSettings(r.Context(), user.ID)
if err != nil {
respondError(w, http.StatusInternalServerError, "failed to load forwarding settings")
return
}
respondJSON(w, http.StatusOK, settings)
return
}
if id == "" {
id = newID("fwd")
}
if err := a.issueForwardingVerification(r.Context(), user.ID, id, email, errors.Is(err, sql.ErrNoRows)); err != nil {
respondError(w, http.StatusInternalServerError, "failed to save verified email")
return
}
settings, err := a.forwardingSettings(r.Context(), user.ID)
if err != nil {
respondError(w, http.StatusInternalServerError, "failed to load forwarding settings")
return
}
respondJSON(w, http.StatusCreated, settings)
}
func (a *App) handleResendForwardingVerifiedEmail(w http.ResponseWriter, r *http.Request) {
user := currentUser(r)
id := strings.TrimSpace(chi.URLParam(r, "id"))
if id == "" {
respondError(w, http.StatusNotFound, "verified email not found")
return
}
var email string
var verified int
err := a.db.QueryRowContext(r.Context(), `SELECT email,verified FROM forwarding_verified_emails WHERE id=? AND user_id=?`, id, user.ID).Scan(&email, &verified)
if errors.Is(err, sql.ErrNoRows) {
respondError(w, http.StatusNotFound, "verified email not found")
return
}
if err != nil {
respondError(w, http.StatusInternalServerError, "failed to load verified email")
return
}
if intBool(verified) {
settings, err := a.forwardingSettings(r.Context(), user.ID)
if err != nil {
respondError(w, http.StatusInternalServerError, "failed to load forwarding settings")
return
}
respondJSON(w, http.StatusOK, settings)
return
}
if err := a.issueForwardingVerification(r.Context(), user.ID, id, email, false); err != nil {
respondError(w, http.StatusInternalServerError, "failed to resend verification email")
return
}
settings, err := a.forwardingSettings(r.Context(), user.ID)
if err != nil {
respondError(w, http.StatusInternalServerError, "failed to load forwarding settings")
return
}
respondJSON(w, http.StatusOK, settings)
}
func (a *App) handleVerifyForwardingEmail(w http.ResponseWriter, r *http.Request) {
token := strings.TrimSpace(r.URL.Query().Get("token"))
if token == "" {
a.renderForwardingVerificationPage(w, http.StatusBadRequest, false, "", "验证链接无效")
return
}
var id, email string
var verified int
var expiresRaw sql.NullString
err := a.db.QueryRowContext(r.Context(), `SELECT id,email,verified,verification_expires_at FROM forwarding_verified_emails WHERE verification_token_hash=?`, hashToken(token)).Scan(&id, &email, &verified, &expiresRaw)
if errors.Is(err, sql.ErrNoRows) {
a.renderForwardingVerificationPage(w, http.StatusBadRequest, false, "", "验证链接无效或已使用")
return
}
if err != nil {
a.renderForwardingVerificationPage(w, http.StatusInternalServerError, false, "", "验证失败,请稍后重试")
return
}
if intBool(verified) {
a.renderForwardingVerificationPage(w, http.StatusOK, true, email, "该邮箱已经验证完成")
return
}
if expiresRaw.Valid && expiresRaw.String != "" && parseTime(expiresRaw.String).Before(a.now().UTC()) {
a.renderForwardingVerificationPage(w, http.StatusBadRequest, false, email, "验证链接已过期,请回到设置页重新发送")
return
}
now := a.now().UTC().Format(time.RFC3339Nano)
_, err = a.db.ExecContext(r.Context(), `UPDATE forwarding_verified_emails
SET verified=1,verified_at=?,delivery_status='verified',delivery_error='',updated_at=?
WHERE id=?`, now, now, id)
if err != nil {
a.renderForwardingVerificationPage(w, http.StatusInternalServerError, false, email, "验证失败,请稍后重试")
return
}
a.renderForwardingVerificationPage(w, http.StatusOK, true, email, "验证完成,可以回到设置页选择此转发目标")
}
func (a *App) handleDeleteForwardingVerifiedEmail(w http.ResponseWriter, r *http.Request) {
user := currentUser(r)
id := strings.TrimSpace(chi.URLParam(r, "id"))
if id == "" {
respondError(w, http.StatusNotFound, "verified email not found")
return
}
var email string
if err := a.db.QueryRowContext(r.Context(), `SELECT email FROM forwarding_verified_emails WHERE id=? AND user_id=?`, id, user.ID).Scan(&email); err != nil {
respondError(w, http.StatusNotFound, "verified email not found")
return
}
tx, err := a.db.BeginTx(r.Context(), nil)
if err != nil {
respondError(w, http.StatusInternalServerError, "failed to start transaction")
return
}
defer tx.Rollback()
now := a.now().UTC().Format(time.RFC3339Nano)
if _, err := tx.ExecContext(r.Context(), `DELETE FROM forwarding_verified_emails WHERE id=? AND user_id=?`, id, user.ID); err != nil {
respondError(w, http.StatusInternalServerError, "failed to delete verified email")
return
}
if err := a.removeForwardingTargetFromSettings(r.Context(), tx, user.ID, email, now); err != nil {
respondError(w, http.StatusInternalServerError, "failed to update mailbox forwarding")
return
}
if err := tx.Commit(); err != nil {
respondError(w, http.StatusInternalServerError, "failed to save forwarding settings")
return
}
settings, err := a.forwardingSettings(r.Context(), user.ID)
if err != nil {
respondError(w, http.StatusInternalServerError, "failed to load forwarding settings")
return
}
respondJSON(w, http.StatusOK, settings)
}
func (a *App) handleUpdateAccountForwarding(w http.ResponseWriter, r *http.Request) {
user := currentUser(r)
var req struct {
TargetEmail string `json:"targetEmail"`
TargetEmails []string `json:"targetEmails"`
}
if err := decodeJSON(r, &req); err != nil {
badRequest(w, err)
return
}
targets, err := a.cleanForwardingTargets(r.Context(), user.ID, forwardingTargetsFromRequest(req.TargetEmail, req.TargetEmails))
if err != nil {
badRequest(w, err)
return
}
target := firstForwardingTarget(targets)
now := a.now().UTC().Format(time.RFC3339Nano)
_, err = a.db.ExecContext(r.Context(), `INSERT INTO account_forwarding_settings(user_id,target_email,target_emails,updated_at)
VALUES(?,?,?,?)
ON CONFLICT(user_id) DO UPDATE SET target_email=excluded.target_email,target_emails=excluded.target_emails,updated_at=excluded.updated_at`,
user.ID, target, jsonEncode(targets), now)
if err != nil {
respondError(w, http.StatusInternalServerError, "failed to save account forwarding")
return
}
settings, err := a.forwardingSettings(r.Context(), user.ID)
if err != nil {
respondError(w, http.StatusInternalServerError, "failed to load forwarding settings")
return
}
respondJSON(w, http.StatusOK, settings)
}
func (a *App) handleUpdateMailboxForwarding(w http.ResponseWriter, r *http.Request) {
user := currentUser(r)
mailboxID := strings.TrimSpace(chi.URLParam(r, "id"))
if mailboxID == "" {
respondError(w, http.StatusNotFound, "mailbox not found")
return
}
if ok, err := a.userOwnsMailboxID(r.Context(), user.ID, mailboxID); err != nil {
respondError(w, http.StatusInternalServerError, "failed to check mailbox")
return
} else if !ok {
respondError(w, http.StatusNotFound, "mailbox not found")
return
}
var req struct {
TargetEmail string `json:"targetEmail"`
TargetEmails []string `json:"targetEmails"`
}
if err := decodeJSON(r, &req); err != nil {
badRequest(w, err)
return
}
targets, err := a.cleanForwardingTargets(r.Context(), user.ID, forwardingTargetsFromRequest(req.TargetEmail, req.TargetEmails))
if err != nil {
badRequest(w, err)
return
}
target := firstForwardingTarget(targets)
if len(targets) == 0 {
if _, err := a.db.ExecContext(r.Context(), `DELETE FROM mailbox_forwarding_settings WHERE mailbox_id=?`, mailboxID); err != nil {
respondError(w, http.StatusInternalServerError, "failed to save mailbox forwarding")
return
}
} else {
now := a.now().UTC().Format(time.RFC3339Nano)
if _, err := a.db.ExecContext(r.Context(), `INSERT INTO mailbox_forwarding_settings(mailbox_id,target_email,target_emails,updated_at)
VALUES(?,?,?,?)
ON CONFLICT(mailbox_id) DO UPDATE SET target_email=excluded.target_email,target_emails=excluded.target_emails,updated_at=excluded.updated_at`,
mailboxID, target, jsonEncode(targets), now); err != nil {
respondError(w, http.StatusInternalServerError, "failed to save mailbox forwarding")
return
}
}
settings, err := a.forwardingSettings(r.Context(), user.ID)
if err != nil {
respondError(w, http.StatusInternalServerError, "failed to load forwarding settings")
return
}
respondJSON(w, http.StatusOK, settings)
}
func (a *App) forwardingSettings(ctx context.Context, userID string) (ForwardingSettings, error) {
settings := ForwardingSettings{
VerifiedEmails: []ForwardingVerifiedEmail{},
MailboxRules: []MailboxForwardingRule{},
}
rows, err := a.db.QueryContext(ctx, `SELECT fve.id,fve.email,fve.verified,fve.created_at,
fve.verified_at,fve.verification_sent_at,fve.verification_expires_at,
COALESCE(NULLIF(sq.status,''), fve.delivery_status),
COALESCE(NULLIF(sq.last_error,''), fve.delivery_error)
FROM forwarding_verified_emails fve
LEFT JOIN send_queue sq ON sq.id=fve.delivery_queue_id
WHERE fve.user_id=?
ORDER BY fve.created_at DESC,fve.email`, userID)
if err != nil {
return settings, err
}
defer rows.Close()
for rows.Next() {
var item ForwardingVerifiedEmail
var verified int
var created string
var verifiedAt, sentAt, expiresAt sql.NullString
if err := rows.Scan(&item.ID, &item.Email, &verified, &created, &verifiedAt, &sentAt, &expiresAt, &item.DeliveryStatus, &item.DeliveryError); err != nil {
return settings, err
}
item.Verified = intBool(verified)
item.CreatedAt = parseTime(created)
item.VerifiedAt = nullableTime(verifiedAt)
item.VerificationSentAt = nullableTime(sentAt)
item.VerificationExpiresAt = nullableTime(expiresAt)
settings.VerifiedEmails = append(settings.VerifiedEmails, item)
}
if err := rows.Err(); err != nil {
return settings, err
}
var accountTarget, accountTargetsJSON string
err = a.db.QueryRowContext(ctx, `SELECT target_email,target_emails FROM account_forwarding_settings WHERE user_id=?`, userID).Scan(&accountTarget, &accountTargetsJSON)
if err != nil && !errors.Is(err, sql.ErrNoRows) {
return settings, err
}
settings.AccountTargetEmails = forwardingTargetsFromStored(accountTarget, accountTargetsJSON)
settings.AccountTargetEmail = firstForwardingTarget(settings.AccountTargetEmails)
rows, err = a.db.QueryContext(ctx, `SELECT mfs.mailbox_id,mfs.target_email,mfs.target_emails
FROM mailbox_forwarding_settings mfs
JOIN mailboxes mb ON mb.id=mfs.mailbox_id
WHERE mb.user_id=? AND (mfs.target_email<>'' OR mfs.target_emails<>'[]')
ORDER BY mb.address`, userID)
if err != nil {
return settings, err
}
defer rows.Close()
for rows.Next() {
var item MailboxForwardingRule
var target, targetsJSON string
if err := rows.Scan(&item.MailboxID, &target, &targetsJSON); err != nil {
return settings, err
}
item.TargetEmails = forwardingTargetsFromStored(target, targetsJSON)
item.TargetEmail = firstForwardingTarget(item.TargetEmails)
if len(item.TargetEmails) > 0 {
settings.MailboxRules = append(settings.MailboxRules, item)
}
}
return settings, rows.Err()
}
func (a *App) issueForwardingVerification(ctx context.Context, userID, id, email string, insert bool) error {
now := a.now().UTC()
expires := now.Add(forwardingVerificationTTL)
token := randomToken()
nowRaw := now.Format(time.RFC3339Nano)
expiresRaw := expires.Format(time.RFC3339Nano)
if insert {
if _, err := a.db.ExecContext(ctx, `INSERT INTO forwarding_verified_emails(id,user_id,email,verified,verified_at,verification_token_hash,verification_sent_at,verification_expires_at,delivery_queue_id,delivery_status,delivery_error,created_at,updated_at)
VALUES(?,?,?,?,?,?,?,?,?,?,?,?,?)`,
id, userID, email, 0, nil, hashToken(token), nowRaw, expiresRaw, "", sendQueueStatusQueued, "", nowRaw, nowRaw); err != nil {
return err
}
} else {
if _, err := a.db.ExecContext(ctx, `UPDATE forwarding_verified_emails
SET verified=0,verified_at=NULL,verification_token_hash=?,verification_sent_at=?,verification_expires_at=?,delivery_queue_id='',delivery_status=?,delivery_error='',updated_at=?
WHERE id=? AND user_id=?`,
hashToken(token), nowRaw, expiresRaw, sendQueueStatusQueued, nowRaw, id, userID); err != nil {
return err
}
}
queueID, err := a.sendForwardingVerificationEmail(ctx, userID, email, token, now)
if err != nil {
_, _ = a.db.ExecContext(ctx, `UPDATE forwarding_verified_emails SET delivery_status=?,delivery_error=?,updated_at=? WHERE id=? AND user_id=?`, sendQueueStatusFailed, err.Error(), nowRaw, id, userID)
return nil
}
if queueID != "" {
_, _ = a.db.ExecContext(ctx, `UPDATE forwarding_verified_emails SET delivery_queue_id=?,delivery_status=?,delivery_error='',updated_at=? WHERE id=? AND user_id=?`, queueID, sendQueueStatusQueued, nowRaw, id, userID)
}
return nil
}
func (a *App) sendForwardingVerificationEmail(ctx context.Context, userID, targetEmail, token string, now time.Time) (string, error) {
if strings.TrimSpace(a.cfg.SMTPHost) == "" {
return "", errors.New("SMTP 未配置,无法发送验证邮件")
}
mb, err := a.primaryMailboxForUser(ctx, userID)
if err != nil {
return "", err
}
fromDomain := domainPart(mb.Address)
from := "noreply@" + fromDomain
link := a.forwardingVerificationURL(token)
text := "邮箱转发验证\n\n您正在将此邮箱添加为邮件转发目标地址。请打开以下链接完成验证:\n" + link + "\n\n此链接 24 小时内有效。如果您没有发起此操作,请忽略此邮件。"
html := `<div style="font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif;color:#111827;line-height:1.6;padding:32px 24px">
<div style="max-width:640px;margin:0 auto">
<h1 style="font-size:28px;line-height:1.25;margin:0 0 28px;font-weight:700">邮箱转发验证</h1>
<p style="font-size:17px;margin:0 0 28px">您正在将此邮箱添加为邮件转发目标地址。请点击下方按钮完成验证:</p>
<p style="text-align:center;margin:0 0 34px"><a href="` + htmlEscape(link) + `" style="display:inline-block;background:#2563eb;color:#ffffff;text-decoration:none;border-radius:8px;padding:14px 38px;font-size:18px;font-weight:700">确认验证</a></p>
<p style="font-size:15px;color:#6b7280;margin:0 0 12px">如果按钮无法点击,请复制以下链接到浏览器:</p>
<p style="font-size:15px;color:#6b7280;word-break:break-all;margin:0 0 28px">` + htmlEscape(link) + `</p>
<p style="font-size:15px;color:#9ca3af;margin:0">此链接 24 小时内有效。如果您没有发起此操作,请忽略此邮件。</p>
</div></div>`
messageID := fmt.Sprintf("<%s@%s>", newID("fwdverify"), fromDomain)
mimeBytes, err := BuildMIME(MIMEMessage{From: from, FromName: "noreply", To: []string{targetEmail}, Subject: "邮箱转发验证", Text: text, HTML: html, MessageID: messageID, Date: now})
if err != nil {
return "", err
}
return a.enqueueSend(ctx, sendQueueInput{
UserID: userID,
MailboxID: mb.ID,
MessageID: messageID,
Source: sendSourceForwardingVerification,
MailFrom: from,
HeaderFrom: from,
Recipients: []string{targetEmail},
MIMEBytes: mimeBytes,
Now: now,
})
}
func (a *App) forwardingVerificationURL(token string) string {
base := strings.TrimRight(strings.TrimSpace(a.cfg.PublicBaseURL), "/")
if base == "" {
base = "https://" + strings.Trim(strings.TrimSpace(a.cfg.PublicHostname), "/")
}
return base + "/api/verify-email?token=" + url.QueryEscape(token)
}
func (a *App) renderForwardingVerificationPage(w http.ResponseWriter, status int, ok bool, email, message string) {
title := "邮箱转发验证"
heading := "验证失败"
color := "#dc2626"
if ok {
heading = "验证完成"
color = "#2563eb"
}
w.Header().Set("Content-Type", "text/html; charset=utf-8")
w.WriteHeader(status)
_, _ = fmt.Fprintf(w, `<!doctype html><html lang="zh-CN"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1"><title>%s</title></head><body style="margin:0;background:#f8fafc;color:#0f172a;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif"><main style="min-height:100vh;display:grid;place-items:center;padding:24px"><section style="width:min(100%%,520px);background:white;border:1px solid #e2e8f0;border-radius:14px;padding:34px 30px;box-shadow:0 18px 45px rgba(15,23,42,.08)"><h1 style="margin:0 0 14px;font-size:28px">%s</h1><p style="margin:0 0 10px;font-size:17px;color:#475569">%s</p><p style="margin:0 0 26px;font-size:15px;color:#64748b">%s</p><a href="/" style="display:inline-block;border-radius:8px;background:%s;color:white;text-decoration:none;padding:12px 18px;font-weight:700">返回邮箱</a></section></main></body></html>`,
title, heading, htmlEscape(message), htmlEscape(email), color)
}
func (a *App) cleanForwardingVerificationEmail(w http.ResponseWriter, r *http.Request, userID, value string) (string, bool) {
email := normalizeEmail(value)
if email == "" || !strings.Contains(email, "@") {
badRequest(w, errors.New("邮箱地址无效"))
return "", false
}
if owns, err := a.userOwnsMailboxAddress(r.Context(), userID, email); err != nil {
respondError(w, http.StatusInternalServerError, "failed to check mailbox")
return "", false
} else if owns {
badRequest(w, errors.New("不能把当前账号邮箱作为转发验证邮箱"))
return "", false
}
return email, true
}
func (a *App) forwardingVerifiedEmailState(ctx context.Context, userID, email string) (id string, verified bool, err error) {
var verifiedInt int
err = a.db.QueryRowContext(ctx, `SELECT id,verified FROM forwarding_verified_emails WHERE user_id=? AND email=?`, userID, normalizeEmail(email)).Scan(&id, &verifiedInt)
return id, intBool(verifiedInt), err
}
func (a *App) primaryMailboxForUser(ctx context.Context, userID string) (Mailbox, error) {
var mb Mailbox
var created string
err := a.db.QueryRowContext(ctx, `SELECT id,user_id,domain_id,local_part,address,display_name,quota_mb,status,created_at
FROM mailboxes WHERE user_id=? AND status='active' ORDER BY created_at,id LIMIT 1`, userID).
Scan(&mb.ID, &mb.UserID, &mb.DomainID, &mb.LocalPart, &mb.Address, &mb.DisplayName, &mb.QuotaMB, &mb.Status, &created)
if errors.Is(err, sql.ErrNoRows) {
return mb, errors.New("当前账号没有可用于发送验证邮件的邮箱")
}
mb.CreatedAt = parseTime(created)
return mb, err
}
func (a *App) forwardingEmailVerified(ctx context.Context, userID, email string) (bool, error) {
var count int
err := a.db.QueryRowContext(ctx, `SELECT COUNT(1) FROM forwarding_verified_emails WHERE user_id=? AND email=? AND verified=1`, userID, normalizeEmail(email)).Scan(&count)
if err != nil {
return false, err
}
return count > 0, nil
}
func forwardingTargetsFromRequest(targetEmail string, targetEmails []string) []string {
if len(targetEmails) > 0 {
return targetEmails
}
if strings.TrimSpace(targetEmail) == "" {
return nil
}
return []string{targetEmail}
}
func (a *App) cleanForwardingTargets(ctx context.Context, userID string, values []string) ([]string, error) {
targets := make([]string, 0, len(values))
seen := map[string]bool{}
for _, value := range values {
value = strings.TrimSpace(value)
if value == "" || strings.EqualFold(value, "none") {
continue
}
target := normalizeEmail(value)
if target == "" || !strings.Contains(target, "@") {
return nil, errors.New("转发邮箱无效")
}
if seen[target] {
continue
}
ok, err := a.forwardingEmailVerified(ctx, userID, target)
if err != nil {
return nil, err
}
if !ok {
return nil, errors.New("请先完成邮箱验证")
}
seen[target] = true
targets = append(targets, target)
}
return targets, nil
}
func forwardingTargetsFromStored(targetEmail, targetsJSON string) []string {
targets := dedupeEmails(jsonDecodeSlice(targetsJSON))
if len(targets) > 0 {
return targets
}
target := normalizeEmail(targetEmail)
if target == "" {
return nil
}
return []string{target}
}
func firstForwardingTarget(targets []string) string {
if len(targets) == 0 {
return ""
}
return targets[0]
}
func removeForwardingTarget(targets []string, email string) []string {
email = normalizeEmail(email)
next := make([]string, 0, len(targets))
for _, target := range targets {
if normalizeEmail(target) == email {
continue
}
next = append(next, normalizeEmail(target))
}
return dedupeEmails(next)
}
func (a *App) removeForwardingTargetFromSettings(ctx context.Context, tx *sql.Tx, userID, email, now string) error {
var accountTarget, accountTargetsJSON string
if err := tx.QueryRowContext(ctx, `SELECT target_email,target_emails FROM account_forwarding_settings WHERE user_id=?`, userID).Scan(&accountTarget, &accountTargetsJSON); err != nil && !errors.Is(err, sql.ErrNoRows) {
return err
} else if err == nil {
targets := removeForwardingTarget(forwardingTargetsFromStored(accountTarget, accountTargetsJSON), email)
if _, err := tx.ExecContext(ctx, `UPDATE account_forwarding_settings SET target_email=?,target_emails=?,updated_at=? WHERE user_id=?`, firstForwardingTarget(targets), jsonEncode(targets), now, userID); err != nil {
return err
}
}
rows, err := tx.QueryContext(ctx, `SELECT mfs.mailbox_id,mfs.target_email,mfs.target_emails
FROM mailbox_forwarding_settings mfs
JOIN mailboxes mb ON mb.id=mfs.mailbox_id
WHERE mb.user_id=?`, userID)
if err != nil {
return err
}
type mailboxRow struct {
id string
target string
targetsJSON string
}
var items []mailboxRow
for rows.Next() {
var item mailboxRow
if err := rows.Scan(&item.id, &item.target, &item.targetsJSON); err != nil {
rows.Close()
return err
}
items = append(items, item)
}
if err := rows.Close(); err != nil {
return err
}
if err := rows.Err(); err != nil {
return err
}
for _, item := range items {
targets := removeForwardingTarget(forwardingTargetsFromStored(item.target, item.targetsJSON), email)
if len(targets) == 0 {
if _, err := tx.ExecContext(ctx, `DELETE FROM mailbox_forwarding_settings WHERE mailbox_id=?`, item.id); err != nil {
return err
}
continue
}
if _, err := tx.ExecContext(ctx, `UPDATE mailbox_forwarding_settings SET target_email=?,target_emails=?,updated_at=? WHERE mailbox_id=?`, firstForwardingTarget(targets), jsonEncode(targets), now, item.id); err != nil {
return err
}
}
return nil
}
func (a *App) userOwnsMailboxID(ctx context.Context, userID, mailboxID string) (bool, error) {
var count int
err := a.db.QueryRowContext(ctx, `SELECT COUNT(1) FROM mailboxes WHERE id=? AND user_id=? AND status='active'`, mailboxID, userID).Scan(&count)
if err != nil {
return false, err
}
return count > 0, nil
}
func (a *App) userOwnsMailboxAddress(ctx context.Context, userID, address string) (bool, error) {
var count int
err := a.db.QueryRowContext(ctx, `SELECT COUNT(1) FROM mailboxes WHERE user_id=? AND address=? AND status='active'`, userID, normalizeEmail(address)).Scan(&count)
if err != nil {
return false, err
}
return count > 0, nil
}