diff options
Diffstat (limited to 'commands')
-rw-r--r-- | commands/compose/send.go | 322 |
1 files changed, 7 insertions, 315 deletions
diff --git a/commands/compose/send.go b/commands/compose/send.go index 65b501b4..f8a0480f 100644 --- a/commands/compose/send.go +++ b/commands/compose/send.go @@ -2,30 +2,24 @@ package compose import ( "bytes" - "crypto/tls" "fmt" "io" "net/url" - "os/exec" "strings" "time" - "github.com/emersion/go-sasl" - "github.com/emersion/go-smtp" "github.com/pkg/errors" "git.sr.ht/~rjarry/aerc/app" "git.sr.ht/~rjarry/aerc/commands" "git.sr.ht/~rjarry/aerc/commands/mode" "git.sr.ht/~rjarry/aerc/commands/msg" - "git.sr.ht/~rjarry/aerc/lib" "git.sr.ht/~rjarry/aerc/lib/hooks" + "git.sr.ht/~rjarry/aerc/lib/send" "git.sr.ht/~rjarry/aerc/log" "git.sr.ht/~rjarry/aerc/models" "git.sr.ht/~rjarry/aerc/worker/types" - "git.sr.ht/~rjarry/go-opt" "github.com/emersion/go-message/mail" - "golang.org/x/oauth2" ) type Send struct { @@ -130,8 +124,9 @@ func (s Send) Execute(args []string) error { msg+" Abort send? [Y/n] ", func(text string) { if text == "n" || text == "N" { - send(composer, header, uri, domain, from, - rcpts, tab.Name, s.CopyTo, s.Archive) + sendHelper(composer, header, uri, domain, + from, rcpts, tab.Name, s.CopyTo, + s.Archive) } }, func(cmd string) ([]string, string) { if cmd == "" { @@ -144,14 +139,14 @@ func (s Send) Execute(args []string) error { app.PushPrompt(prompt) } else { - send(composer, header, uri, domain, from, rcpts, tab.Name, + sendHelper(composer, header, uri, domain, from, rcpts, tab.Name, s.CopyTo, s.Archive) } return nil } -func send(composer *app.Composer, header *mail.Header, uri *url.URL, domain string, +func sendHelper(composer *app.Composer, header *mail.Header, uri *url.URL, domain string, from *mail.Address, rcpts []*mail.Address, tabName string, copyTo string, archive string, ) { @@ -171,23 +166,7 @@ func send(composer *app.Composer, header *mail.Header, uri *url.URL, domain stri go func() { defer log.PanicHandler() - protocol, auth, err := parseScheme(uri) - if err != nil { - failCh <- errors.Wrap(err, "parseScheme()") - return - } - - var sender io.WriteCloser - switch protocol { - case "smtp", "smtp+insecure", "smtps": - sender, err = newSmtpSender(protocol, auth, uri, domain, from, rcpts) - case "jmap": - sender, err = newJmapSender(composer.Worker(), from, rcpts) - case "": - sender, err = newSendmailSender(uri, rcpts) - default: - sender, err = nil, fmt.Errorf("unsupported protocol %s", protocol) - } + sender, err := send.NewSender(composer.Worker(), uri, domain, from, rcpts) if err != nil { failCh <- errors.Wrap(err, "send:") return @@ -261,293 +240,6 @@ func listRecipients(h *mail.Header) ([]*mail.Address, error) { return rcpts, nil } -func newSendmailSender(uri *url.URL, rcpts []*mail.Address) (io.WriteCloser, error) { - args := opt.SplitArgs(uri.Path) - if len(args) == 0 { - return nil, fmt.Errorf("no command specified") - } - bin := args[0] - rs := make([]string, len(rcpts)) - for i := range rcpts { - rs[i] = rcpts[i].Address - } - args = append(args[1:], rs...) - cmd := exec.Command(bin, args...) - s := &sendmailSender{cmd: cmd} - var err error - s.stdin, err = s.cmd.StdinPipe() - if err != nil { - return nil, errors.Wrap(err, "cmd.StdinPipe") - } - err = s.cmd.Start() - if err != nil { - return nil, errors.Wrap(err, "cmd.Start") - } - return s, nil -} - -type sendmailSender struct { - cmd *exec.Cmd - stdin io.WriteCloser -} - -func (s *sendmailSender) Write(p []byte) (int, error) { - return s.stdin.Write(p) -} - -func (s *sendmailSender) Close() error { - se := s.stdin.Close() - ce := s.cmd.Wait() - if se != nil { - return se - } - return ce -} - -func parseScheme(uri *url.URL) (protocol string, auth string, err error) { - protocol = "" - auth = "plain" - if uri.Scheme != "" { - parts := strings.Split(uri.Scheme, "+") - switch len(parts) { - case 1: - protocol = parts[0] - case 2: - if parts[1] == "insecure" { - protocol = uri.Scheme - } else { - protocol = parts[0] - auth = parts[1] - } - case 3: - protocol = parts[0] + "+" + parts[1] - auth = parts[2] - default: - return "", "", fmt.Errorf("Unknown scheme %s", uri.Scheme) - } - } - return protocol, auth, nil -} - -func newSaslClient(auth string, uri *url.URL) (sasl.Client, error) { - var saslClient sasl.Client - switch auth { - case "": - fallthrough - case "none": - saslClient = nil - case "login": - password, _ := uri.User.Password() - saslClient = sasl.NewLoginClient(uri.User.Username(), password) - case "plain": - password, _ := uri.User.Password() - saslClient = sasl.NewPlainClient("", uri.User.Username(), password) - case "oauthbearer": - q := uri.Query() - oauth2 := &oauth2.Config{} - if q.Get("token_endpoint") != "" { - oauth2.ClientID = q.Get("client_id") - oauth2.ClientSecret = q.Get("client_secret") - oauth2.Scopes = []string{q.Get("scope")} - oauth2.Endpoint.TokenURL = q.Get("token_endpoint") - } - password, _ := uri.User.Password() - bearer := lib.OAuthBearer{ - OAuth2: oauth2, - Enabled: true, - } - if bearer.OAuth2.Endpoint.TokenURL != "" { - token, err := bearer.ExchangeRefreshToken(password) - if err != nil { - return nil, err - } - password = token.AccessToken - } - saslClient = sasl.NewOAuthBearerClient(&sasl.OAuthBearerOptions{ - Username: uri.User.Username(), - Token: password, - }) - case "xoauth2": - q := uri.Query() - oauth2 := &oauth2.Config{} - if q.Get("token_endpoint") != "" { - oauth2.ClientID = q.Get("client_id") - oauth2.ClientSecret = q.Get("client_secret") - oauth2.Scopes = []string{q.Get("scope")} - oauth2.Endpoint.TokenURL = q.Get("token_endpoint") - } - password, _ := uri.User.Password() - bearer := lib.Xoauth2{ - OAuth2: oauth2, - Enabled: true, - } - if bearer.OAuth2.Endpoint.TokenURL != "" { - token, err := bearer.ExchangeRefreshToken(password) - if err != nil { - return nil, err - } - password = token.AccessToken - } - saslClient = lib.NewXoauth2Client(uri.User.Username(), password) - default: - return nil, fmt.Errorf("Unsupported auth mechanism %s", auth) - } - return saslClient, nil -} - -type smtpSender struct { - conn *smtp.Client - w io.WriteCloser -} - -func (s *smtpSender) Write(p []byte) (int, error) { - return s.w.Write(p) -} - -func (s *smtpSender) Close() error { - we := s.w.Close() - ce := s.conn.Close() - if we != nil { - return we - } - return ce -} - -func newSmtpSender( - protocol string, auth string, uri *url.URL, domain string, - from *mail.Address, rcpts []*mail.Address, -) (io.WriteCloser, error) { - var conn *smtp.Client - var err error - switch protocol { - case "smtp": - conn, err = connectSmtp(true, uri.Host, domain) - case "smtp+insecure": - conn, err = connectSmtp(false, uri.Host, domain) - case "smtps": - conn, err = connectSmtps(uri.Host) - default: - return nil, fmt.Errorf("not a smtp protocol %s", protocol) - } - - if err != nil { - return nil, errors.Wrap(err, "Connection failed") - } - - saslclient, err := newSaslClient(auth, uri) - if err != nil { - conn.Close() - return nil, err - } - if saslclient != nil { - if err := conn.Auth(saslclient); err != nil { - conn.Close() - return nil, errors.Wrap(err, "conn.Auth") - } - } - s := &smtpSender{ - conn: conn, - } - if err := s.conn.Mail(from.Address, nil); err != nil { - conn.Close() - return nil, errors.Wrap(err, "conn.Mail") - } - for _, rcpt := range rcpts { - if err := s.conn.Rcpt(rcpt.Address); err != nil { - conn.Close() - return nil, errors.Wrap(err, "conn.Rcpt") - } - } - s.w, err = s.conn.Data() - if err != nil { - conn.Close() - return nil, errors.Wrap(err, "conn.Data") - } - return s.w, nil -} - -func connectSmtp(starttls bool, host string, domain string) (*smtp.Client, error) { - serverName := host - if !strings.ContainsRune(host, ':') { - host += ":587" // Default to submission port - } else { - serverName = host[:strings.IndexRune(host, ':')] - } - conn, err := smtp.Dial(host) - if err != nil { - return nil, errors.Wrap(err, "smtp.Dial") - } - if domain != "" { - err := conn.Hello(domain) - if err != nil { - return nil, errors.Wrap(err, "Hello") - } - } - if starttls { - if sup, _ := conn.Extension("STARTTLS"); !sup { - err := errors.New("STARTTLS requested, but not supported " + - "by this SMTP server. Is someone tampering with your " + - "connection?") - conn.Close() - return nil, err - } - if err = conn.StartTLS(&tls.Config{ - ServerName: serverName, - }); err != nil { - conn.Close() - return nil, errors.Wrap(err, "StartTLS") - } - } - - return conn, nil -} - -func connectSmtps(host string) (*smtp.Client, error) { - serverName := host - if !strings.ContainsRune(host, ':') { - host += ":465" // Default to smtps port - } else { - serverName = host[:strings.IndexRune(host, ':')] - } - conn, err := smtp.DialTLS(host, &tls.Config{ - ServerName: serverName, - }) - if err != nil { - return nil, errors.Wrap(err, "smtp.DialTLS") - } - return conn, nil -} - -func newJmapSender( - worker *types.Worker, from *mail.Address, rcpts []*mail.Address, -) (io.WriteCloser, error) { - var writer io.WriteCloser - done := make(chan error) - - worker.PostAction( - &types.StartSendingMessage{From: from, Rcpts: rcpts}, - func(msg types.WorkerMessage) { - switch msg := msg.(type) { - case *types.Done: - return - case *types.Unsupported: - done <- fmt.Errorf("unsupported by worker") - case *types.Error: - done <- msg.Error - case *types.MessageWriter: - writer = msg.Writer - default: - done <- fmt.Errorf("unexpected worker message: %#v", msg) - } - close(done) - }, - ) - - err := <-done - - return writer, err -} - func copyToSent(dest string, n int, msg io.Reader, composer *app.Composer) <-chan error { errCh := make(chan error, 1) acct := composer.Account() |