// NewGMail returns a new GMail object which is authorized to send email.
func NewGMail(clientId, clientSecret, tokenCacheFile string) (*GMail, error) {
client, err := auth.NewClientFromIdAndSecret(clientId, clientSecret, tokenCacheFile, gmail.GmailComposeScope)
if err != nil {
return nil, err
}
service, err := gmail.New(client)
if err != nil {
return nil, err
}
return &GMail{
service: service,
}, nil
}
func getGmailService(tokens oauth2.Tokens) (*gmail.Service, error) {
config := goauth2.Config{
ClientID: *CLIENT_ID,
ClientSecret: *SECRET,
Endpoint: google.Endpoint,
Scopes: []string{gmail.MailGoogleComScope},
RedirectURL: "http://localhost:8080/auth",
}
ctx := context.Background()
tok := (goauth2.Token)(tokens.Get())
client := config.Client(ctx, &tok)
return gmail.New(client)
}
func getNewService() (*gmail.Service, error) {
b, err := ioutil.ReadFile("client_secret.json")
if err != nil {
log.Fatalf("Unable to read client secret file: %v", err)
}
config, err := google.ConfigFromJSON(b, gmail.MailGoogleComScope)
if err != nil {
log.Fatalf("Unable to parse client secret file to config: %v", err)
}
client := getClient(context.Background(), config)
srv, err := gmail.New(client)
return srv, err
}
func NewClient(cfg Config) (*Client, error) {
authConfig := auth.Config{
SecretFile: cfg.SecretFile,
Scope: gmail.MailGoogleComScope,
}
httpClient, err := auth.NewClient(authConfig)
if err != nil {
return nil, err
}
svc, err := gmail.New(httpClient)
if err != nil {
return nil, err
}
return &Client{svc.Users.Messages}, nil
}
// NewGMail returns a new GMail object which is authorized to send email.
func NewGMail(clientId, clientSecret, tokenCacheFile string) (*GMail, error) {
config := oauth.Config{
ClientId: clientId,
ClientSecret: clientSecret,
Scope: gmail.GmailComposeScope,
AuthURL: "https://accounts.google.com/o/oauth2/auth",
TokenURL: "https://accounts.google.com/o/oauth2/token",
TokenCache: oauth.CacheFile(tokenCacheFile),
RedirectURL: "urn:ietf:wg:oauth:2.0:oob",
AccessType: "offline",
}
client, err := auth.RunFlow(&config)
if err != nil {
return nil, err
}
service, err := gmail.New(client)
if err != nil {
return nil, err
}
return &GMail{
service: service,
}, nil
}
func main() {
const OOB = "urn:ietf:wg:oauth:2.0:oob"
conf := &oauth2.Config{
ClientID: "881077086782-039l7vctubc7vrvjmubv6a7v0eg96sqg.apps.googleusercontent.com", // proj: inbox-fewer
// https://developers.google.com/identity/protocols/OAuth2InstalledApp
// says: "The client ID and client secret obtained
// from the Developers Console are embedded in the
// source code of your application. In this context,
// the client secret is obviously not treated as a
// secret."
ClientSecret: "y9Rj5-KheyZSFyjCH1dCBXWs",
Endpoint: google.Endpoint,
RedirectURL: OOB,
Scopes: []string{gmail.MailGoogleComScope},
}
cacheDir := filepath.Join(userCacheDir(), "inboxfewer")
gmailTokenFile := filepath.Join(cacheDir, "gmail.token")
slurp, err := ioutil.ReadFile(gmailTokenFile)
var ts oauth2.TokenSource
if err == nil {
f := strings.Fields(strings.TrimSpace(string(slurp)))
if len(f) == 2 {
ts = conf.TokenSource(context.Background(), &oauth2.Token{
AccessToken: f[0],
TokenType: "Bearer",
RefreshToken: f[1],
Expiry: time.Unix(1, 0),
})
if _, err := ts.Token(); err != nil {
log.Printf("Cached token invalid: %v", err)
ts = nil
}
}
}
if ts == nil {
authCode := conf.AuthCodeURL("state")
log.Printf("Go to %v", authCode)
io.WriteString(os.Stdout, "Enter code> ")
bs := bufio.NewScanner(os.Stdin)
if !bs.Scan() {
os.Exit(1)
}
code := strings.TrimSpace(bs.Text())
t, err := conf.Exchange(context.Background(), code)
if err != nil {
log.Fatal(err)
}
os.MkdirAll(cacheDir, 0700)
ioutil.WriteFile(gmailTokenFile, []byte(t.AccessToken+" "+t.RefreshToken), 0600)
ts = conf.TokenSource(context.Background(), t)
}
client := oauth2.NewClient(context.Background(), ts)
svc, err := gmail.New(client)
if err != nil {
log.Fatal(err)
}
readGithubConfig()
fc := &FewerClient{
svc: svc.Users,
}
n := 0
if err := fc.ForeachThread("in:inbox", func(t *gmail.Thread) error {
if err := fc.PopulateThread(t); err != nil {
return err
}
topic := fc.ClassifyThread(t)
n++
log.Printf("Thread %d (%v) = %T %v", n, t.Id, topic, topic)
if topic == nil {
return nil
}
if stale, err := topic.IsStale(); err != nil {
return err
} else if stale {
log.Printf(" ... archiving")
return fc.ArchiveThread(t.Id)
}
return nil
}); err != nil {
log.Fatal(err)
}
}
// gmailMain is an example that demonstrates calling the Gmail API.
// It iterates over all messages of a user that are larger
// than 5MB, sorts them by size, and then interactively asks the user to
// choose either to Delete, Skip, or Quit for each message.
//
// Example usage:
// go build -o go-api-demo *.go
// go-api-demo -clientid="my-clientid" -secret="my-secret" gmail
func gmailMain(client *http.Client, argv []string) {
if len(argv) != 0 {
fmt.Fprintln(os.Stderr, "Usage: gmail")
return
}
svc, err := gmail.New(client)
if err != nil {
log.Fatalf("Unable to create Gmail service: %v", err)
}
var total int64
msgs := []message{}
pageToken := ""
for {
req := svc.Users.Messages.List("me").Q("larger:5M")
if pageToken != "" {
req.PageToken(pageToken)
}
r, err := req.Do()
if err != nil {
log.Fatalf("Unable to retrieve messages: %v", err)
}
log.Printf("Processing %v messages...\n", len(r.Messages))
for _, m := range r.Messages {
msg, err := svc.Users.Messages.Get("me", m.Id).Do()
if err != nil {
log.Fatalf("Unable to retrieve message %v: %v", m.Id, err)
}
total += msg.SizeEstimate
date := ""
for _, h := range msg.Payload.Headers {
if h.Name == "Date" {
date = h.Value
break
}
}
msgs = append(msgs, message{
size: msg.SizeEstimate,
gmailID: msg.Id,
date: date,
snippet: msg.Snippet,
})
}
if r.NextPageToken == "" {
break
}
pageToken = r.NextPageToken
}
log.Printf("total: %v\n", total)
sortBySize(msgs)
reader := bufio.NewReader(os.Stdin)
count, deleted := 0, 0
for _, m := range msgs {
count++
fmt.Printf("\nMessage URL: https://mail.google.com/mail/u/0/#all/%v\n", m.gmailID)
fmt.Printf("Size: %v, Date: %v, Snippet: %q\n", m.size, m.date, m.snippet)
fmt.Printf("Options: (d)elete, (s)kip, (q)uit: [s] ")
val := ""
if val, err = reader.ReadString('\n'); err != nil {
log.Fatalf("unable to scan input: %v", err)
}
val = strings.TrimSpace(val)
switch val {
case "d": // delete message
if err := svc.Users.Messages.Delete("me", m.gmailID).Do(); err != nil {
log.Fatalf("unable to delete message %v: %v", m.gmailID, err)
}
log.Printf("Deleted message %v.\n", m.gmailID)
deleted++
case "q": // quit
log.Printf("Done. %v messages processed, %v deleted\n", count, deleted)
os.Exit(0)
default:
}
}
}