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128 lines
3.5 KiB
128 lines
3.5 KiB
package cmd
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import (
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"context"
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"fmt"
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"log"
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"strings"
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"github.com/nikoksr/notify"
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"github.com/nikoksr/notify/service/mail"
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"github.com/urfave/cli/v2"
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)
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type email struct {
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SenderAddress string
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Password string
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Host string
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ReceiverAddress string
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Subject string
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Message string
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Port string
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Identity string
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}
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func SendToEmail() *cli.Command {
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var emailOpts email
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return &cli.Command{
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Name: "email",
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Usage: "Send an email",
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Description: `Email uses username & password to authenticate for sending emails.
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SMTP hostname i.e smtp.gmail.com and port i.e (587) should be provided as well for the server.
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Multiple email ids can be used separated by comma ',' as receiver email address.
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All configuration options are also available via environment variables.`,
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UsageText: "pingme email --pass '123456' --sender 'abc@email.com' --rec 'xyz@example.com' " +
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"--msg 'some message' --sub 'email subject' --host 'smtp.gmail.com' --port '587'",
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Flags: []cli.Flag{
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&cli.StringFlag{
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Destination: &emailOpts.Password,
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Name: "pass",
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Required: true,
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Aliases: []string{"p"},
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Usage: "Password of email address, use environment variable",
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EnvVars: []string{"EMAIL_PASSWORD"},
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},
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&cli.StringFlag{
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Destination: &emailOpts.ReceiverAddress,
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Name: "rec",
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Aliases: []string{"r"},
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Required: true,
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Usage: "Receiver email address, if multiple separate with ','",
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EnvVars: []string{"EMAIL_RECEIVER"},
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},
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&cli.StringFlag{
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Destination: &emailOpts.SenderAddress,
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Name: "sender",
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Aliases: []string{"s"},
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Required: true,
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Usage: "Senders email address",
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EnvVars: []string{"EMAIL_SENDER"},
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},
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&cli.StringFlag{
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Destination: &emailOpts.Identity,
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Name: "identity",
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Aliases: []string{"idn"},
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Value: "",
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Usage: "Senders email Identity if any",
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EnvVars: []string{"EMAIL_IDENTITY"},
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},
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&cli.StringFlag{
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Destination: &emailOpts.Host,
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Name: "host",
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Aliases: []string{"ho"},
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Value: "smtp.gmail.com",
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Usage: "SMTP Host",
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EnvVars: []string{"EMAIL_HOST"},
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},
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&cli.StringFlag{
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Destination: &emailOpts.Port,
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Name: "port",
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Value: "587",
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Aliases: []string{"po"},
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Usage: "SMTP Port",
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EnvVars: []string{"EMAIL_PORT"},
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},
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&cli.StringFlag{
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Destination: &emailOpts.Message,
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Name: "msg",
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Usage: "Message content",
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Aliases: []string{"m"},
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EnvVars: []string{"EMAIL_MESSAGE"},
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},
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&cli.StringFlag{
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Destination: &emailOpts.Subject,
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Name: "sub",
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Value: TimeValue,
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Usage: "Subject of the email",
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EnvVars: []string{"EMAIL_SUBJECT"},
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},
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},
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Action: func(ctx *cli.Context) error {
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notifier := notify.New()
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emailSvc := mail.New(emailOpts.SenderAddress, emailOpts.Host+":"+emailOpts.Port)
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emailSvc.AuthenticateSMTP(emailOpts.Identity, emailOpts.SenderAddress, emailOpts.Password, emailOpts.Host)
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chn := strings.Split(emailOpts.ReceiverAddress, ",")
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for _, v := range chn {
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if len(v) <= 0 {
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return fmt.Errorf(EmptyChannel)
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}
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emailSvc.AddReceivers(v)
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}
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notifier.UseServices(emailSvc)
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if err := notifier.Send(
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context.Background(),
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emailOpts.Subject,
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emailOpts.Message,
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); err != nil {
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return err
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}
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log.Println("Successfully sent!")
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return nil
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},
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}
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}
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