- 创建一个应用程序
- 为该应用程序创建oauth2凭据(客户端ID,客户端密钥)
- 授予该应用程序访问Gmail API的权限
授权重定向已构建:
String url =
new GoogleAuthorizationCodeRequestUrl(clientId,
redirectUrl,
Collections.singleton(GmailScopes.GMAIL_SEND)
).setAccessType("offline").build();
这成功地重定向到谷歌网站,我可以在那里进行身份验证并授权我的应用程序代表我发送邮件。授权成功后,它成功地重定向回我的应用程序,并处理授权代码:
GoogleTokenResponse response =
new GoogleAuthorizationCodeTokenRequest(
new NetHttpTransport(),
new JacksonFactory(),
clientId,
clientSecret,
code,
redirectUrl)
.execute();
(其中 code 是返回的授权码) 这似乎有效,并返回访问令牌和刷新令牌。 (我还可以回到我的 Google 帐户设置中,看到我已经授权应用程序发送电子邮件。)
现在我想尝试使用访问令牌通过 javamail api 发送邮件,使用我的 gmail 用户名(我登录授权应用程序时使用的用户名),访问令牌和以下设置:
host = "smtp.gmail.com";
port = 587;
props.put("mail.smtp.auth", "true");
props.put("mail.smtp.starttls.enable", "true");
props.put("mail.smtp.auth.mechanisms", "XOAUTH2");
javamail代码在其他smtp服务器上运行良好。 我还打开了调试来跟踪smtp流
DEBUG: JavaMail version 1.6.0
DEBUG: successfully loaded resource: /META-INF/javamail.default.providers
DEBUG: Tables of loaded providers
DEBUG: Providers Listed By Class Name: {com.sun.mail.smtp.SMTPSSLTransport=javax.mail.Provider[TRANSPORT,smtps,com.sun.mail.smtp.SMTPSSLTransport,Oracle], com.sun.mail.smtp.SMTPTransport=javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Oracle], com.sun.mail.imap.IMAPSSLStore=javax.mail.Provider[STORE,imaps,com.sun.mail.imap.IMAPSSLStore,Oracle], com.sun.mail.pop3.POP3SSLStore=javax.mail.Provider[STORE,pop3s,com.sun.mail.pop3.POP3SSLStore,Oracle], com.sun.mail.imap.IMAPStore=javax.mail.Provider[STORE,imap,com.sun.mail.imap.IMAPStore,Oracle], com.sun.mail.pop3.POP3Store=javax.mail.Provider[STORE,pop3,com.sun.mail.pop3.POP3Store,Oracle]}
DEBUG: Providers Listed By Protocol: {imaps=javax.mail.Provider[STORE,imaps,com.sun.mail.imap.IMAPSSLStore,Oracle], imap=javax.mail.Provider[STORE,imap,com.sun.mail.imap.IMAPStore,Oracle], smtps=javax.mail.Provider[TRANSPORT,smtps,com.sun.mail.smtp.SMTPSSLTransport,Oracle], pop3=javax.mail.Provider[STORE,pop3,com.sun.mail.pop3.POP3Store,Oracle], pop3s=javax.mail.Provider[STORE,pop3s,com.sun.mail.pop3.POP3SSLStore,Oracle], smtp=javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Oracle]}
DEBUG: successfully loaded resource: /META-INF/javamail.default.address.map
DEBUG: getProvider() returning javax.mail.Provider[TRANSPORT,smtp,com.sun.mail.smtp.SMTPTransport,Oracle]
DEBUG SMTP: useEhlo true, useAuth true
DEBUG SMTP: trying to connect to host "smtp.gmail.com", port 587, isSSL false
220 smtp.gmail.com ESMTP c7sm3632131pfg.29 - gsmtp
DEBUG SMTP: connected to host "smtp.gmail.com", port: 587
EHLO 10.0.0.5
250-smtp.gmail.com at your service, [216.165.225.194]
250-SIZE 35882577
250-8BITMIME
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-CHUNKING
250 SMTPUTF8
DEBUG SMTP: Found extension "SIZE", arg "35882577"
DEBUG SMTP: Found extension "8BITMIME", arg ""
DEBUG SMTP: Found extension "STARTTLS", arg ""
DEBUG SMTP: Found extension "ENHANCEDSTATUSCODES", arg ""
DEBUG SMTP: Found extension "PIPELINING", arg ""
DEBUG SMTP: Found extension "CHUNKING", arg ""
DEBUG SMTP: Found extension "SMTPUTF8", arg ""
STARTTLS
220 2.0.0 Ready to start TLS
EHLO 10.0.0.5
250-smtp.gmail.com at your service, [216.165.225.194]
250-SIZE 35882577
250-8BITMIME
250-AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH
250-ENHANCEDSTATUSCODES
250-PIPELINING
250-CHUNKING
250 SMTPUTF8
DEBUG SMTP: Found extension "SIZE", arg "35882577"
DEBUG SMTP: Found extension "8BITMIME", arg ""
DEBUG SMTP: Found extension "AUTH", arg "LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH"
DEBUG SMTP: Found extension "ENHANCEDSTATUSCODES", arg ""
DEBUG SMTP: Found extension "PIPELINING", arg ""
DEBUG SMTP: Found extension "CHUNKING", arg ""
DEBUG SMTP: Found extension "SMTPUTF8", arg ""
DEBUG SMTP: protocolConnect login, host=smtp.gmail.com, user=<myemail@gmail.com>, password=<non-null>
DEBUG SMTP: Attempt to authenticate using mechanisms: XOAUTH2
DEBUG SMTP: Using mechanism XOAUTH2
DEBUG SMTP: AUTH XOAUTH2 command trace suppressed
DEBUG SMTP: AUTH XOAUTH2 failed, THROW:
javax.mail.AuthenticationFailedException: OAUTH2 asked for more
...
DEBUG SMTP: AUTH XOAUTH2 failed
ERROR 2017-08-06 18:39:57,443 - send: 334 eyJzdGF0dXMiOiI0MDAiLCJzY2hlbWVzIjoiQmVhcmVyIiwic2NvcGUiOiJodHRwczovL21haWwuZ29vZ2xlLmNvbS8ifQ==
解码最后一行,我发现错误是400状态,我理解为令牌无效。
我还使用Google REST API验证了令牌是有效的:
https://www.googleapis.com/oauth2/v1/tokeninfo?access_token=<token>
我还尝试使用启用了ssl的465端口,但是出现了相同的错误。
我在这里做错了什么?
mail.debug.auth
属性设置为true,以便您可以在调试输出中查看身份验证交换的详细信息,以防服务器提供了更多在正常调试输出中被抑制的错误详细信息。您能否配置Thunderbird使用您的帐户的OAUTH2? - Bill ShannonString at = response.getAccessToken();
- user2000974