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 v0.1.1
git push origin --tags
go list -m github.com/aiteung/atmail@v0.1.1

Documentation

Index

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

Functions

func Base64Message

func Base64Message(msg EmailMessage) string

func GetGmailService

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

func SetMIMEandNameifEmpty

func SetMIMEandNameifEmpty(msg *EmailMessage)

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:"mimetype,omitempty"`
	Name     string `json:"name,omitempty" bson:"name,omitempty"`
	Base64   string `json:"base64,omitempty" bson:"base64,omitempty"`
}

type Queue

type Queue struct {
	ID       primitive.ObjectID `json:"id,omitempty" bson:"_id,omitempty"`
	Session  string             `json:"session,omitempty" bson:"session,omitempty"`
	Function string             `json:"function,omitempty" bson:"function,omitempty"`
	Scope    []string           `json:"scope,omitempty" bson:"scope,omitempty"`
	Base64   string             `json:"base64,omitempty" bson:"base64,omitempty"`
}

type Success

type Success struct {
	ID       primitive.ObjectID `json:"id,omitempty" bson:"_id,omitempty"`
	LabelIds []string           `json:"labels,omitempty" bson:"labels,omitempty"`
	Queue    Queue              `json:"queue,omitempty" bson:"queue,omitempty"`
}