move the gitea admin subcommands into separate files (#27307)

As title.
Probably it's better to put those sub cmd to different dirs. Will do
that in the future.

cmd/admin_auth_stmp.go

@@ -0,0 +1,201 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package cmd
+
+import (
+	"errors"
+	"fmt"
+	"strings"
+
+	auth_model "code.gitea.io/gitea/models/auth"
+	"code.gitea.io/gitea/modules/util"
+	"code.gitea.io/gitea/services/auth/source/smtp"
+
+	"github.com/urfave/cli/v2"
+)
+
+var (
+	smtpCLIFlags = []cli.Flag{
+		&cli.StringFlag{
+			Name:  "name",
+			Value: "",
+			Usage: "Application Name",
+		},
+		&cli.StringFlag{
+			Name:  "auth-type",
+			Value: "PLAIN",
+			Usage: "SMTP Authentication Type (PLAIN/LOGIN/CRAM-MD5) default PLAIN",
+		},
+		&cli.StringFlag{
+			Name:  "host",
+			Value: "",
+			Usage: "SMTP Host",
+		},
+		&cli.IntFlag{
+			Name:  "port",
+			Usage: "SMTP Port",
+		},
+		&cli.BoolFlag{
+			Name:  "force-smtps",
+			Usage: "SMTPS is always used on port 465. Set this to force SMTPS on other ports.",
+			Value: true,
+		},
+		&cli.BoolFlag{
+			Name:  "skip-verify",
+			Usage: "Skip TLS verify.",
+			Value: true,
+		},
+		&cli.StringFlag{
+			Name:  "helo-hostname",
+			Value: "",
+			Usage: "Hostname sent with HELO. Leave blank to send current hostname",
+		},
+		&cli.BoolFlag{
+			Name:  "disable-helo",
+			Usage: "Disable SMTP helo.",
+			Value: true,
+		},
+		&cli.StringFlag{
+			Name:  "allowed-domains",
+			Value: "",
+			Usage: "Leave empty to allow all domains. Separate multiple domains with a comma (',')",
+		},
+		&cli.BoolFlag{
+			Name:  "skip-local-2fa",
+			Usage: "Skip 2FA to log on.",
+			Value: true,
+		},
+		&cli.BoolFlag{
+			Name:  "active",
+			Usage: "This Authentication Source is Activated.",
+			Value: true,
+		},
+	}
+
+	microcmdAuthAddSMTP = &cli.Command{
+		Name:   "add-smtp",
+		Usage:  "Add new SMTP authentication source",
+		Action: runAddSMTP,
+		Flags:  smtpCLIFlags,
+	}
+
+	microcmdAuthUpdateSMTP = &cli.Command{
+		Name:   "update-smtp",
+		Usage:  "Update existing SMTP authentication source",
+		Action: runUpdateSMTP,
+		Flags:  append(smtpCLIFlags[:1], append([]cli.Flag{idFlag}, smtpCLIFlags[1:]...)...),
+	}
+)
+
+func parseSMTPConfig(c *cli.Context, conf *smtp.Source) error {
+	if c.IsSet("auth-type") {
+		conf.Auth = c.String("auth-type")
+		validAuthTypes := []string{"PLAIN", "LOGIN", "CRAM-MD5"}
+		if !util.SliceContainsString(validAuthTypes, strings.ToUpper(c.String("auth-type"))) {
+			return errors.New("Auth must be one of PLAIN/LOGIN/CRAM-MD5")
+		}
+		conf.Auth = c.String("auth-type")
+	}
+	if c.IsSet("host") {
+		conf.Host = c.String("host")
+	}
+	if c.IsSet("port") {
+		conf.Port = c.Int("port")
+	}
+	if c.IsSet("allowed-domains") {
+		conf.AllowedDomains = c.String("allowed-domains")
+	}
+	if c.IsSet("force-smtps") {
+		conf.ForceSMTPS = c.Bool("force-smtps")
+	}
+	if c.IsSet("skip-verify") {
+		conf.SkipVerify = c.Bool("skip-verify")
+	}
+	if c.IsSet("helo-hostname") {
+		conf.HeloHostname = c.String("helo-hostname")
+	}
+	if c.IsSet("disable-helo") {
+		conf.DisableHelo = c.Bool("disable-helo")
+	}
+	if c.IsSet("skip-local-2fa") {
+		conf.SkipLocalTwoFA = c.Bool("skip-local-2fa")
+	}
+	return nil
+}
+
+func runAddSMTP(c *cli.Context) error {
+	ctx, cancel := installSignals()
+	defer cancel()
+
+	if err := initDB(ctx); err != nil {
+		return err
+	}
+
+	if !c.IsSet("name") || len(c.String("name")) == 0 {
+		return errors.New("name must be set")
+	}
+	if !c.IsSet("host") || len(c.String("host")) == 0 {
+		return errors.New("host must be set")
+	}
+	if !c.IsSet("port") {
+		return errors.New("port must be set")
+	}
+	active := true
+	if c.IsSet("active") {
+		active = c.Bool("active")
+	}
+
+	var smtpConfig smtp.Source
+	if err := parseSMTPConfig(c, &smtpConfig); err != nil {
+		return err
+	}
+
+	// If not set default to PLAIN
+	if len(smtpConfig.Auth) == 0 {
+		smtpConfig.Auth = "PLAIN"
+	}
+
+	return auth_model.CreateSource(&auth_model.Source{
+		Type:     auth_model.SMTP,
+		Name:     c.String("name"),
+		IsActive: active,
+		Cfg:      &smtpConfig,
+	})
+}
+
+func runUpdateSMTP(c *cli.Context) error {
+	if !c.IsSet("id") {
+		return fmt.Errorf("--id flag is missing")
+	}
+
+	ctx, cancel := installSignals()
+	defer cancel()
+
+	if err := initDB(ctx); err != nil {
+		return err
+	}
+
+	source, err := auth_model.GetSourceByID(c.Int64("id"))
+	if err != nil {
+		return err
+	}
+
+	smtpConfig := source.Cfg.(*smtp.Source)
+
+	if err := parseSMTPConfig(c, smtpConfig); err != nil {
+		return err
+	}
+
+	if c.IsSet("name") {
+		source.Name = c.String("name")
+	}
+
+	if c.IsSet("active") {
+		source.IsActive = c.Bool("active")
+	}
+
+	source.Cfg = smtpConfig
+
+	return auth_model.UpdateSource(source)
+}