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104 lines
2.7 KiB
104 lines
2.7 KiB
package email
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import (
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"errors"
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"fmt"
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"strings"
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"yunyan/lego/sys/log"
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"yunyan/lego/utils/mapstructure"
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)
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type EmailType uint8
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const (
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QQEmail EmailType = iota //QQ邮箱
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TencentEmail //腾讯企业邮箱
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GmailEmail //Google邮箱
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ResendEmail //Resend（HTTP API 发信，海外送达率优，Password 字段填 API Key）
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)
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type Option func(*Options)
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type Options struct {
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EmailType EmailType
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FromEmail string
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FromName string
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Password string
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}
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func Set_EmailType(v EmailType) Option {
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return func(o *Options) {
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o.EmailType = v
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}
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}
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func Set_FromEmail(v string) Option {
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return func(o *Options) {
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o.FromEmail = v
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}
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}
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func Set_FromName(v string) Option {
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return func(o *Options) {
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o.FromName = v
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}
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}
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func Set_Password(v string) Option {
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return func(o *Options) {
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o.Password = v
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}
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}
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func newOptions(config map[string]interface{}, opts ...Option) Options {
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options := Options{}
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if config != nil {
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mapstructure.Decode(config, &options)
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}
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for _, o := range opts {
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o(&options)
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}
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if options.FromEmail == "" || options.Password == "" {
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log.Panicf("start email Missing necessary configuration : Serverhost:%s Fromemail:%s Fompasswd:%s", options.FromEmail, options.EmailType)
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}
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return options
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}
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func newOptionsByOption(opts ...Option) Options {
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options := Options{}
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for _, o := range opts {
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o(&options)
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}
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if options.FromEmail == "" || options.Password == "" {
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log.Panicf("start email Missing necessary configuration : Serverhost:%s Fromemail:%s Fompasswd:%s", options.FromEmail, options.EmailType)
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}
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return options
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}
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// validate 校验发信必需字段。
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// FromEmail 必须是「邮箱地址」而非域名：SMTP 与 Resend 的 from 都要求 name@domain 形式，
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// 只填域名（如 mail.example.com）会被 Resend 以 422 validation_error 拒绝。
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func (o Options) validate() error {
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if o.FromEmail == "" {
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return errors.New("email 配置缺失: FromEmail 为空")
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}
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if o.Password == "" {
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return errors.New("email 配置缺失: Password 为空（SMTP 授权码 / Resend API Key）")
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}
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if !strings.Contains(o.FromEmail, "@") {
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return fmt.Errorf("email 配置错误: FromEmail=%q 是域名不是邮箱地址（应形如 noreply@%s）", o.FromEmail, o.FromEmail)
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}
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return nil
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}
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// newOptionsChecked 与 newOptions 同构，但配置不合法时返回 error 而非 panic。
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// 供运行时热重载(Reload)使用：后台一次误保存只应让本次重载失败，不该打挂线上进程。
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func newOptionsChecked(config map[string]interface{}, opts ...Option) (Options, error) {
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options := Options{}
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if config != nil {
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mapstructure.Decode(config, &options)
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}
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for _, o := range opts {
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o(&options)
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}
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return options, options.validate()
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}
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