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package app
import (
"context"
"crypto/tls"
"net"
_ "net/url"
"strings"
"github.com/target/goalert/alert"
"github.com/target/goalert/auth/authtoken"
"github.com/target/goalert/integrationkey"
"github.com/target/goalert/smtpsrv"
)
func (app *App) initSMTPServer(ctx context.Context) error {
if app.cfg.SMTPListenAddr == "" && app.cfg.SMTPListenAddrTLS == "" {
return nil
}
cfg := smtpsrv.Config{
Domain: app.cfg.EmailIntegrationDomain,
AllowedDomains: parseAllowedDomains(app.cfg.SMTPAdditionalDomains, app.cfg.EmailIntegrationDomain),
TLSConfig: app.cfg.TLSConfigSMTP,
MaxRecipients: app.cfg.SMTPMaxRecipients,
BackgroundContext: app.LogBackgroundContext,
Logger: app.cfg.Logger,
AuthorizeFunc: func(ctx context.Context, id string) (context.Context, error) {
tok, _, err := authtoken.Parse(id, nil)
if err != nil {
return nil, err
}
ctx, err = app.IntegrationKeyStore.Authorize(ctx, *tok, integrationkey.TypeEmail)
if err != nil {
return nil, err
}
return ctx, nil
},
CreateAlertFunc: func(ctx context.Context, a *alert.Alert) error {
_, _, err := app.AlertStore.CreateOrUpdate(ctx, a)
return err
},
}
app.smtpsrv = smtpsrv.NewServer(cfg)
var err error
if app.cfg.SMTPListenAddr != "" {
app.smtpsrvL, err = net.Listen("tcp", app.cfg.SMTPListenAddr)
if err != nil {
return err
}
}
if app.cfg.SMTPListenAddrTLS != "" {
l, err := tls.Listen("tcp", app.cfg.SMTPListenAddrTLS, cfg.TLSConfig)
if err != nil {
return err
}
app.smtpsrvL = newMultiListener(app.smtpsrvL, l)
}
return nil
}
func parseAllowedDomains(additionalDomains string, primaryDomain string) []string {
if !strings.Contains(additionalDomains, primaryDomain) {
additionalDomains = strings.Join([]string{additionalDomains, primaryDomain}, ",")
}
return strings.Split(additionalDomains, ",")
}
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