mirror of
https://github.com/halejohn/Cloudreve.git
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Feat: cron / Fix: users status check
This commit is contained in:
111
pkg/email/smtp.go
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111
pkg/email/smtp.go
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@@ -0,0 +1,111 @@
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package email
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import (
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"github.com/HFO4/cloudreve/pkg/util"
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"github.com/go-mail/mail"
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"time"
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)
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// SMTP SMTP协议发送邮件
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type SMTP struct {
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Config SMTPConfig
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ch chan *mail.Message
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chOpen bool
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}
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// SMTPConfig SMTP发送配置
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type SMTPConfig struct {
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Name string // 发送者名
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Address string // 发送者地址
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ReplyTo string // 回复地址
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Host string // 服务器主机名
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Port int // 服务器端口
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User string // 用户名
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Password string // 密码
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Encryption string // 是否启用加密
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Keepalive int // SMTP 连接保留时长
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}
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// NewSMTPClient 新建SMTP发送队列
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func NewSMTPClient(config SMTPConfig) *SMTP {
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client := &SMTP{
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Config: config,
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ch: make(chan *mail.Message, 30),
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chOpen: false,
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}
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client.Init()
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return client
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}
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// Send 发送邮件
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func (client *SMTP) Send(to, title, body string) error {
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if !client.chOpen {
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return ErrChanNotOpen
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}
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m := mail.NewMessage()
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m.SetHeader("From", client.Config.Address)
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m.SetHeader("To", to)
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m.SetHeader("Subject", title)
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m.SetBody("text/html", body)
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client.ch <- m
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return nil
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}
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// Close 关闭发送队列
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func (client *SMTP) Close() {
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if client.ch != nil {
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close(client.ch)
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}
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}
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// Init 初始化发送队列
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func (client *SMTP) Init() {
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go func() {
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defer func() {
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if err := recover(); err != nil {
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client.chOpen = false
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util.Log().Error("邮件发送队列出现异常, %s ,30 秒后重新连接", err)
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time.Sleep(time.Duration(30) * time.Second)
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client.Init()
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}
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}()
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d := mail.NewDialer(client.Config.Host, client.Config.Port, client.Config.User, client.Config.Password)
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d.Timeout = time.Duration(client.Config.Keepalive+5) * time.Second
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client.chOpen = true
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var s mail.SendCloser
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var err error
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open := false
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for {
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select {
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case m, ok := <-client.ch:
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if !ok {
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client.chOpen = false
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return
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}
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if !open {
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if s, err = d.Dial(); err != nil {
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panic(err)
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}
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open = true
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}
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if err := mail.Send(s, m); err != nil {
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util.Log().Warning("邮件发送失败, %s", err)
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} else {
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util.Log().Debug("邮件已发送")
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}
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// 长时间没有新邮件,则关闭SMTP连接
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case <-time.After(time.Duration(client.Config.Keepalive) * time.Second):
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if open {
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if err := s.Close(); err != nil {
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util.Log().Warning("无法关闭 SMTP 连接 %s", err)
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}
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open = false
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}
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}
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}
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}()
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}
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