atmail

README

atmail

aiteung email helper for gmail. Authentication using access token token.json

Example sending email

package main

import (
	"encoding/base64"
	"fmt"
	"log"
	"net/http"
	"os"

	"github.com/aiteung/atmail"
	"google.golang.org/api/gmail/v1"
)

func filereadmime(fname string) (fileData, fileMIMEType string) {
	fileBytes, err := os.ReadFile(fname)
	if err != nil {
		log.Fatalf("Error: %v", err)
	}
	fileMIMEType = http.DetectContentType(fileBytes)
	fileData = base64.StdEncoding.EncodeToString(fileBytes)
	return fileData, fileMIMEType
}

func main() {
	msg := &atmail.EmailMessage{
		From:    "Penerbit Buku Pedia<penerbit@bukupedia.co.id>",
		To:      "awangga@gmail.com",
		Subject: "subjek email",
		Body:    "ini bodi isinya ya <b>luar biasa</b>",
	}

	filename := "README.md"
	fileData, fileMIMEType := filereadmime(filename) //"text/plain; charset=utf-8"
	attachment := &atmail.FileAttachment{
		Name:     filename,
		MIMEType: fileMIMEType,
		Base64:   fileData,
	}
	msg.Attachments = append(msg.Attachments, *attachment)

	srv := atmail.GetGmailService("client_secret.json", "token.json", gmail.GmailSendScope)
	var message gmail.Message
	message.Raw = atmail.Base64Message(*msg)
	// Send the message
	resp, err := srv.Users.Messages.Send("me", &message).Do()
	if err != nil {
		log.Printf("Error: %v", err)
	} else {
		fmt.Println(resp.LabelIds)
	}
}

Dev

set env

GOPROXY=proxy.golang.org

git tag v0.0.1
git push origin --tags
go list -m github.com/aiteung/atmail@v0.0.1

Documentation

Index

• func Base64Message(msg EmailMessage) string
• func GetGmailService(secret string, accesstokenfile string, scope ...string) (srv *gmail.Service)
• type EmailMessage
• type FileAttachment

Functions

func Base64Message

func Base64Message(msg EmailMessage) string

func GetGmailService

func GetGmailService(secret string, accesstokenfile string, scope ...string) (srv *gmail.Service)

Types

type EmailMessage

type EmailMessage struct {
	From        string           `json:"from,omitempty" bson:"from,omitempty"`
	To          string           `json:"to,omitempty" bson:"to,omitempty"`
	Subject     string           `json:"subject,omitempty" bson:"subject,omitempty"`
	Body        string           `json:"body,omitempty" bson:"body,omitempty"`
	Attachments []FileAttachment `json:"attachments,omitempty" bson:"attachments,omitempty"`
}

type FileAttachment

type FileAttachment struct {
	MIMEType string `json:"mimetype,omitempty" bson:"filemimetype,omitempty"`
	Name     string `json:"name,omitempty" bson:"filename,omitempty"`
	Base64   string `json:"base64,omitempty" bson:"base64string,omitempty"`
}