boltcard/email.go
2022-09-25 06:47:26 +00:00

93 lines
2.3 KiB
Go

package main
import (
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/aws/credentials"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/ses"
log "github.com/sirupsen/logrus"
"os"
"strconv"
)
func send_balance_email(recipient_email string, card_id int) {
card_total_sats, err := db_get_card_total(card_id)
if err != nil {
log.Warn(err.Error())
return
}
send_email(recipient_email,
"bolt card balance: " + strconv.Itoa(card_total_sats) + " sats",
"html body",
"text body")
}
// https://docs.aws.amazon.com/sdk-for-go/v1/developer-guide/ses-example-send-email.html
func send_email(recipient string, subject string, htmlBody string, textBody string) {
aws_ses_id := os.Getenv("AWS_SES_ID")
aws_ses_secret := os.Getenv("AWS_SES_SECRET")
sender := os.Getenv("AWS_SES_EMAIL_FROM")
sess, err := session.NewSession(&aws.Config{
Region: aws.String("us-east-1"),
Credentials: credentials.NewStaticCredentials(aws_ses_id, aws_ses_secret, ""),
})
svc := ses.New(sess)
charSet := "UTF-8"
input := &ses.SendEmailInput{
Destination: &ses.Destination{
CcAddresses: []*string{},
ToAddresses: []*string{
aws.String(recipient),
},
},
Message: &ses.Message{
Body: &ses.Body{
Html: &ses.Content{
Charset: aws.String(charSet),
Data: aws.String(htmlBody),
},
Text: &ses.Content{
Charset: aws.String(charSet),
Data: aws.String(textBody),
},
},
Subject: &ses.Content{
Charset: aws.String(charSet),
Data: aws.String(subject),
},
},
Source: aws.String(sender),
//ConfigurationSetName: aws.String(ConfigurationSet),
}
result, err := svc.SendEmail(input)
if err != nil {
if aerr, ok := err.(awserr.Error); ok {
switch aerr.Code() {
case ses.ErrCodeMessageRejected:
log.Warn(ses.ErrCodeMessageRejected, aerr.Error())
case ses.ErrCodeMailFromDomainNotVerifiedException:
log.Warn(ses.ErrCodeMailFromDomainNotVerifiedException, aerr.Error())
case ses.ErrCodeConfigurationSetDoesNotExistException:
log.Warn(ses.ErrCodeConfigurationSetDoesNotExistException, aerr.Error())
default:
log.Warn(aerr.Error())
}
} else {
log.Warn(err.Error())
}
return
}
log.WithFields(log.Fields{"result": result}).Info("email sent")
}