Question

这是我通过gmail id发送邮件的示例代码。当我在我的eclipse tomcat上部署它时，我能够成功发送电子邮件。

但是当我在heroku上使用相同的代码并使用其余的Api传递必要的参数时，我会在我的日志中得到这个

请在浏览器中打开以下地址： Auth URL

当我点击此网址时，它要求我同意访问各种范围的Gmail，我点击允许，然后我收到错误

[Fiddler]与localhost的套接字连接失败。 ErrorCode：10061。无法建立连接，因为目标计算机主动拒绝它127.0.0.1:41138

请让我知道我错过了什么。

我的代码在这里

public class GmailQuickstart {

private static final String APPLICATION_NAME =
    "Gmail API Java Quickstart";

private static final java.io.File DATA_STORE_DIR = new java.io.File(
    System.getProperty("user.home"), ".credentials/gmail-java-quickstart.json");

private static FileDataStoreFactory DATA_STORE_FACTORY;

private static final JsonFactory JSON_FACTORY =
    JacksonFactory.getDefaultInstance();

private static HttpTransport HTTP_TRANSPORT;

private static final List<String> SCOPES =
    Arrays.asList(GmailScopes.GMAIL_LABELS,GmailScopes.GMAIL_COMPOSE, GmailScopes.GMAIL_INSERT, GmailScopes.GMAIL_MODIFY, GmailScopes.GMAIL_READONLY, GmailScopes.MAIL_GOOGLE_COM);

private static final String HashMap = null;

static {
    try {
        HTTP_TRANSPORT = GoogleNetHttpTransport.newTrustedTransport();
        DATA_STORE_FACTORY = new FileDataStoreFactory(DATA_STORE_DIR);
    } catch (Throwable t) {
        t.printStackTrace();
        System.exit(1);
    }
}

public static Credential authorize() throws IOException {
    // Load client secrets.
    InputStream in =
        GmailQuickstart.class.getResourceAsStream("/resources/client_secret.json");
    GoogleClientSecrets clientSecrets =
        GoogleClientSecrets.load(JSON_FACTORY, new InputStreamReader(in));

    GoogleAuthorizationCodeFlow flow =
            new GoogleAuthorizationCodeFlow.Builder(
                    HTTP_TRANSPORT, JSON_FACTORY, clientSecrets, SCOPES)
            .setDataStoreFactory(DATA_STORE_FACTORY)
            .setAccessType("offline")
            .build();
    Credential credential = new AuthorizationCodeInstalledApp(
        flow, new LocalServerReceiver()).authorize("user");
    System.out.println(
            "Credentials saved to " + DATA_STORE_DIR.getAbsolutePath());
    return credential;
}

public static Gmail getGmailService() throws IOException {
    Credential credential = authorize();
    return new Gmail.Builder(HTTP_TRANSPORT, JSON_FACTORY, credential)
            .setApplicationName(APPLICATION_NAME)
            .build();
}
private static MimeMessage createEmail(String to, String cc, String subject, String bodyText) throws MessagingException {
    Properties props = new Properties();
    Session session = Session.getDefaultInstance(props, null);

    MimeMessage email = new MimeMessage(session);
    InternetAddress tAddress = new InternetAddress(to);
    InternetAddress cAddress = cc.isEmpty() ? null : new InternetAddress(cc);
    InternetAddress fAddress = new InternetAddress("abc@gmail.com");

    email.setFrom(fAddress);
    if (cAddress != null) {
        email.addRecipient(javax.mail.Message.RecipientType.CC, cAddress);
    }
    email.addRecipient(javax.mail.Message.RecipientType.TO, tAddress);
    email.setSubject(subject);

    Multipart mp = new MimeMultipart();
    MimeBodyPart htmlPart = new MimeBodyPart();
    htmlPart.setText(bodyText);
    mp.addBodyPart(htmlPart);
    email.setContent(mp);

    return email;
}

private static Message createMessageWithEmail(MimeMessage email) throws MessagingException, IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    email.writeTo(baos);
    String encodedEmail = Base64.encodeBase64URLSafeString(baos.toByteArray());
    Message message = new Message();
    message.setRaw(encodedEmail);
    return message;
}


public static void sendMail(Map map) throws IOException, MessagingException {
    Map<String, String> template=null;
    if("welcome".equalsIgnoreCase((String)map.get("type"))){
        template= EmailTemplateReader.readTemplate("welcome");
    }else{
        String status = (String)(((HashMap) map.get("data")).get("status"));
        template = EmailTemplateReader.readTemplate(status.toLowerCase());
    }


    HashMap<String,String> dataMap = (HashMap<String,String>)map.get("data");
    for (Map.Entry<String, String> entry : template.entrySet()) {

        String value=entry.getValue();
        for (Map.Entry<String,String> dataentry : dataMap.entrySet()) {
            value = value.replace("#" + dataentry.getKey() + "#", dataentry.getValue());
        }
        entry.setValue(value);  
    }

    Message m = createMessageWithEmail(createEmail((String)map.get("to"), (String)map.get("cc"),(String) template.get("subject"), (String) template.get("content")));
    getGmailService().users().messages().send("me", m).execute();

}

Gmail-api通过服务器发送电子邮件

0 个答案: