92 lines
1.7 KiB
Go
92 lines
1.7 KiB
Go
package main
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import (
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"crypto/tls"
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// "errors"
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"fmt"
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"log"
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// "os"
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// "strconv"
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// "net"
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// "net/mail"
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"net/smtp"
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)
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type MailHeaders map[string]string
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func (headers *MailHeaders) ParseConfig(config Config) (int, error) {
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(*headers)["From"] = config.EmailFrom
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(*headers)["To"] = config.EmailTo
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(*headers)["Subject"] = config.EmailSubject
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return 0, nil
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}
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func NewAuth(config Config) *smtp.Auth {
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switch config.SmtpAuthType {
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case "plain":
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auth := smtp.PlainAuth(
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"",
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config.SmtpUsername,
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config.SmtpPassword,
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config.SmtpHostname,
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)
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return &auth
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case "login":
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auth := LoginAuth(config.SmtpUsername, config.SmtpPassword)
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return &auth
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default:
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}
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return nil
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}
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func NewTLS(config Config) *tls.Config {
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// TLS config
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return &tls.Config{
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InsecureSkipVerify: true,
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ServerName: config.SmtpHostname,
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}
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}
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func NewSmtpClient(config Config) *smtp.Client {
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address := fmt.Sprintf("%s:%d", config.SmtpHostname, config.SmtpPort)
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tlsConfig := NewTLS(config)
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switch config.SmtpSecurityType {
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case "tls":
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fmt.Printf("Creating TLS connection to %s...\n", address)
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conn, err := tls.Dial("tcp", address, tlsConfig)
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if err != nil {
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log.Panic(err)
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}
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fmt.Println("Creating SMTP client...")
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c, err := smtp.NewClient(conn, config.SmtpHostname)
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if err != nil {
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log.Panic(err)
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}
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return c
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case "starttls":
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fmt.Println("Creating SMTP client...")
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c, err := smtp.Dial(address)
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if err != nil {
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log.Panic(err)
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}
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fmt.Printf("Creating StartTLS connection to %s...\n", address)
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c.StartTLS(tlsConfig)
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return c
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default:
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// no SSL/TLS
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fmt.Println("Creating SMTP client...")
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c, err := smtp.Dial(address)
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if err != nil {
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log.Panic(err)
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}
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return c
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}
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}
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