/
ses.go
125 lines (107 loc) · 2.96 KB
/
ses.go
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// @autor: @jeffotoni
package v2
import (
"bytes"
"context"
"crypto/tls"
"encoding/base64"
"fmt"
"net/http"
"strings"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/ses"
)
var HttpClient = &http.Client{
Transport: &http.Transport{
DisableKeepAlives: true,
TLSClientConfig: &tls.Config{
InsecureSkipVerify: true,
},
},
}
type Client struct {
// ses *ses.Client
region string
key string
secret string
}
func NewClient(region, key, secret string) *Client {
return &Client{
// ses: &ses.Client{},
region: region,
key: key,
secret: secret,
}
}
func (c *Client) Send(ctx context.Context, data DataEmail) error {
if err := data.Validate(); err != nil {
return err
}
destination := ses.Destination{
ToAddresses: parseStringArray(data.ToAddresses),
BccAddresses: parseStringArray(data.BccAddresses),
CcAddresses: parseStringArray(data.CcAddresses),
}
var emailBody bytes.Buffer
header := fmt.Sprintf(
"From: %s\nTo: %s\nBcc: %s\nCc: %s\nSubject: %s\nMIME-Version: 1.0\nContent-Type: multipart/mixed; boundary=\"%s\"\n\n",
data.From,
strings.Join(data.ToAddresses, ","),
strings.Join(data.BccAddresses, ","),
strings.Join(data.CcAddresses, ","),
data.Title,
"--_GoBoundary",
)
emailBody.WriteString(header)
emailBody.WriteString("----_GoBoundary\n")
emailBody.WriteString("Content-Type: text/html; charset=UTF-8\n")
emailBody.WriteString("Content-Transfer-Encoding: base64\n\n")
emailBody.WriteString(base64.StdEncoding.EncodeToString([]byte(data.MsgHTML)))
emailBody.WriteString("\n")
for _, v := range data.Attachments {
emailBody.WriteString("----_GoBoundary\n")
emailBody.WriteString(fmt.Sprintf("Content-Type: text/csv; name=\"%s\"\n", v.Name)) //fname[len(fname)-1]))
emailBody.WriteString("Content-Description: file\n")
emailBody.WriteString(fmt.Sprintf("Content-Disposition: attachment; filename=\"%s\"; size=%d;\n", v.Name, len(v.Name))) //fname[len(fname)-1], len(fdata)))
emailBody.WriteString("Content-Transfer-Encoding: base64\n\n")
emailBody.WriteString(base64.StdEncoding.EncodeToString(v.Data))
emailBody.WriteString("\n")
}
emailBody.WriteString("----_GoBoundary--\n")
d := string(emailBody.Bytes())
params := &ses.SendEmailInput{
Source: &data.From,
Destination: &destination,
Message: &ses.Message{
Body: &ses.Body{Text: &ses.Content{Data: &d}},
Subject: &ses.Content{Data: &data.FromMsg},
},
}
// svc := ses.NewFromConfig(aws.Config{
// Credentials: credentials.NewStaticCredentialsProvider(
// c.key,
// c.secret,
// "",
// ),
// Credentials: credentia,
// HTTPClient: HttpClient,
// Region: c.region,
// })
sess, err := session.NewSessionWithOptions(session.Options{})
if err != nil {
return err
}
svc := ses.New(sess)
if svc == nil {
return ErrNilSVC
}
_, err = svc.SendEmail(params)
return err
}
func parseStringArray(s []string) []*string {
var a []*string
for _, v := range s {
a = append(a, &v)
}
return a
}