问题：

用于IMAP和SMTP的Office 365 XOAUTH2身份验证失败

龙欣德

2023-03-14

最近，Exchange Online已经宣布对OAuth2.0的IMAP和SMTP的支持。按照指南，我已经设置了应用程序权限以及IMAP和SMTP连接。应用程序被配置为任何组织目录（任何Azure AD Directory-multitenant)中的帐户，并使用授权代码流。

下面的URL用于授权：

 https://login.Microsoftonline.com/organizations/oauth2/v2.0/authorize
 https://login.microsoftonline.com/organizations/oauth2/v2.0/token

并添加了以下委托的Microsoft图形作用域：

作用域、来自代码的请求：

final List<String> scopes = Arrays.asList(
    "offline_access",
    "email",
    "openid",
    "profile",
    "User.Read",
    "Mail.ReadWrite",
    "https%3A%2F%2Foutlook.office365.com%2FIMAP.AccessAsUser.All",
    "https%3A%2F%2Foutlook.office365.com%2FSMTP.Send"
);

我成功接收访问和刷新令牌：

{
    "token_type": "Bearer",
    "scope": "email IMAP.AccessAsUser.All Mail.ReadWrite openid profile SMTP.Send User.Read",
    "expires_in": 3599,
    "ext_expires_in": 3599,
    "access_token": "edited",
    "refresh_token": "edited",
    "id_token": "edited"
}

Properties props = new Properties();
props.put("mail.imap.ssl.enable", "true");
props.put("mail.imaps.sasl.enable", "true");
props.put("mail.imaps.sasl.mechanisms", "XOAUTH2");
props.put("mail.imap.auth.login.disable", "true");
props.put("mail.imap.auth.plain.disable", "true");
props.put("mail.debug", "true");
props.put("mail.debug.auth", "true");

Session session = Session.getInstance(props);
session.setDebug(true);

String userEmail = "user@domain.onmicrosoft.com";
String accessToken = "access_token_received_on_previous_step";

final Store store = session.getStore("imaps");
store.connect("outlook.office365.com", 993, userEmail, accessToken);

它生成以下输出：

DEBUG: JavaMail version 1.6.2
DEBUG: successfully loaded resource: /META-INF/javamail.default.address.map
DEBUG: setDebug: JavaMail version 1.6.2
DEBUG: getProvider() returning javax.mail.Provider[STORE,imaps,com.sun.mail.imap.IMAPSSLStore,Oracle]
DEBUG IMAPS: mail.imap.fetchsize: 16384
DEBUG IMAPS: mail.imap.ignorebodystructuresize: false
DEBUG IMAPS: mail.imap.statuscachetimeout: 1000
DEBUG IMAPS: mail.imap.appendbuffersize: -1
DEBUG IMAPS: mail.imap.minidletime: 10
DEBUG IMAPS: enable SASL
DEBUG IMAPS: SASL mechanisms allowed: XOAUTH2
DEBUG IMAPS: closeFoldersOnStoreFailure
DEBUG IMAPS: trying to connect to host "outlook.office365.com", port 993, isSSL true
* OK The Microsoft Exchange IMAP4 service is ready. [QQBNADc...]
A0 CAPABILITY
* CAPABILITY IMAP4 IMAP4rev1 AUTH=PLAIN AUTH=XOAUTH2 SASL-IR UIDPLUS MOVE ID UNSELECT CHILDREN IDLE NAMESPACE LITERAL+
A0 OK CAPABILITY completed.
DEBUG IMAPS: AUTH: PLAIN
DEBUG IMAPS: AUTH: XOAUTH2
DEBUG IMAPS: protocolConnect login, host=outlook.office365.com, user=user@domain.onmicrosoft.com, password=<non-null>
DEBUG IMAPS: SASL Mechanisms:
DEBUG IMAPS:  XOAUTH2
DEBUG IMAPS: 
DEBUG IMAPS: SASL client XOAUTH2
DEBUG IMAPS: SASL callback length: 2
DEBUG IMAPS: SASL callback 0: javax.security.auth.callback.NameCallback@17046283
DEBUG IMAPS: SASL callback 1: javax.security.auth.callback.PasswordCallback@5bd03f44
A1 AUTHENTICATE XOAUTH2 dXNlcj1o...
A1 NO AUTHENTICATE failed.

Exception in thread "main" javax.mail.AuthenticationFailedException: AUTHENTICATE failed.
    at com.sun.mail.imap.IMAPStore.protocolConnect(IMAPStore.java:732)
    at javax.mail.Service.connect(Service.java:366)

下面的代码用于连接到SMTP：

Properties props = new Properties();
props.put("mail.smtp.auth", "true");
props.put("mail.transport.protocol", "smtp");
props.put("mail.smtp.starttls.enable", "true");
props.put("mail.smtp.auth.mechanisms", "XOAUTH2");
props.put("mail.smtp.auth.login.disable","true");
props.put("mail.smtp.auth.plain.disable","true");
props.put("mail.debug.auth", "true");

Session session = Session.getInstance(props);
session.setDebug(true);

String userEmail = "user@domain.onmicrosoft.com";
String accessToken = "access_token_received_on_previous_step";

Transport transport = session.getTransport("smtp");
transport.connect("smtp.office365.com", 587, userEmail, accessToken);

它提供了以下输出：

DEBUG: setDebug: JavaMail version 1.6.2
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.office365.com", port 587, isSSL false
220 AM5PR0701CA0005.outlook.office365.com Microsoft ESMTP MAIL Service ready at Mon, 4 May 2020 15:52:28 +0000
DEBUG SMTP: connected to host "smtp.office365.com", port: 587
EHLO ubuntu-B450-AORUS-M
250-AM5PR0701CA0005.outlook.office365.com Hello [my ip here]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-STARTTLS
250-8BITMIME
250-BINARYMIME
250-CHUNKING
250 SMTPUTF8
DEBUG SMTP: Found extension "SIZE", arg "157286400"
DEBUG SMTP: Found extension "PIPELINING", arg ""
DEBUG SMTP: Found extension "DSN", arg ""
DEBUG SMTP: Found extension "ENHANCEDSTATUSCODES", arg ""
DEBUG SMTP: Found extension "STARTTLS", arg ""
DEBUG SMTP: Found extension "8BITMIME", arg ""
DEBUG SMTP: Found extension "BINARYMIME", arg ""
DEBUG SMTP: Found extension "CHUNKING", arg ""
DEBUG SMTP: Found extension "SMTPUTF8", arg ""
STARTTLS
220 2.0.0 SMTP server ready
EHLO ubuntu-B450-AORUS-M
250-AM5PR0701CA0005.outlook.office365.com Hello [my ip here]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-AUTH LOGIN XOAUTH2
250-8BITMIME
250-BINARYMIME
250-CHUNKING
250 SMTPUTF8
DEBUG SMTP: Found extension "SIZE", arg "157286400"
DEBUG SMTP: Found extension "PIPELINING", arg ""
DEBUG SMTP: Found extension "DSN", arg ""
DEBUG SMTP: Found extension "ENHANCEDSTATUSCODES", arg ""
DEBUG SMTP: Found extension "AUTH", arg "LOGIN XOAUTH2"
DEBUG SMTP: Found extension "8BITMIME", arg ""
DEBUG SMTP: Found extension "BINARYMIME", arg ""
DEBUG SMTP: Found extension "CHUNKING", arg ""
DEBUG SMTP: Found extension "SMTPUTF8", arg ""
DEBUG SMTP: protocolConnect login, host=smtp.office365.com, user=user@domain.onmicrosoft.com, password=<non-null>
DEBUG SMTP: Attempt to authenticate using mechanisms: XOAUTH2
DEBUG SMTP: Using mechanism XOAUTH2
AUTH XOAUTH2 dXNlcj1obW9kaUB...
535 5.7.3 Authentication unsuccessful [AM5PR0701CA0005.eurprd07.prod.outlook.com]

Exception in thread "main" javax.mail.AuthenticationFailedException: 535 5.7.3 Authentication unsuccessful [AM5PR0701CA0005.eurprd07.prod.outlook.com]
    at com.sun.mail.smtp.SMTPTransport$Authenticator.authenticate(SMTPTransport.java:965)
    at com.sun.mail.smtp.SMTPTransport.authenticate(SMTPTransport.java:876)
    at com.sun.mail.smtp.SMTPTransport.protocolConnect(SMTPTransport.java:780)
    at javax.mail.Service.connect(Service.java:366)

null

是我做错了什么，还是微软方面对此的支持存在漏洞？

更新1：

从命令行尝试，但结果相同：

$ openssl s_client -crlf -connect outlook.office365.com:993
... connection part omitted
* OK The Microsoft Exchange IMAP4 service is ready. [QQBNADYAUAAxADkAMgBDAEEAMAAwADkAMQAuAEUAVQBSAFAAMQA5ADIALgBQAFIATwBEAC4ATwBVAFQATABPAE8ASwAuAEMATwBNAA==]
C01 CAPABILITY
* CAPABILITY IMAP4 IMAP4rev1 AUTH=PLAIN AUTH=XOAUTH2 SASL-IR UIDPLUS ID UNSELECT CHILDREN IDLE NAMESPACE LITERAL+
C01 OK CAPABILITY completed.
A01 AUTHENTICATE XOAUTH2 dXNlcj1obW9kaUBjb...
A01 NO AUTHENTICATE failed.
* BYE Connection is closed. 13
read:errno=0

感谢对这篇文章的评论，我尝试了以下范围：

public static final List<String> SCOPES = Arrays.asList(
    "offline_access",
    "https%3A%2F%2Foutlook.office365.com%2FIMAP.AccessAsUser.All",
    "https%3A%2F%2Foutlook.office365.com%2FSMTP.Send"
);

它给了我下面的令牌：

js prettyprint-override">{
    "token_type": "Bearer",
    "scope": "https://outlook.office365.com/IMAP.AccessAsUser.All https://outlook.office365.com/SMTP.Send",
    "expires_in": 3599,
    "ext_expires_in": 3599,
    "access_token": "eyJ0eXAiOiJKV1....",
    "refresh_token": "OAQABAAAAAAAm...."
}

IMAP/SMTP auth是成功的，我能够阅读收件箱+发送电子邮件！

但是对于我的应用程序，我还需要几个其他作用域来使用一些MS Graph APIendpoint（读取用户配置文件、消息订阅和消息删除）。

所以我尝试了不同的范围：

public static final List<String> SCOPES = Arrays.asList(
        "offline_access",
        "User.Read",
        "Mail.ReadWrite",
        "https%3A%2F%2Foutlook.office365.com%2FIMAP.AccessAsUser.All",
        "https%3A%2F%2Foutlook.office365.com%2FSMTP.Send"
);

这给出了令牌（请注意，作用域值与实际工作的令牌不同，权限没有outlook url）：

{
    "token_type": "Bearer",
    "scope": "IMAP.AccessAsUser.All Mail.ReadWrite SMTP.Send User.Read profile openid email",
    "expires_in": 3599,
    "ext_expires_in": 3599,
    "access_token": "eyJ0eXAiOiJKV1Q...",
    "refresh_token": "OAQABAAAAAAAm..."
}

A1 NO AUTHENTICATE failed.

public static final List<String> SCOPES = Arrays.asList(
        "offline_access", // or "https%3A%2F%2Fgraph.microsoft.com%2Foffline_access"
        "https%3A%2F%2Fgraph.microsoft.com%2FUser.Read",
        "https%3A%2F%2Fgraph.microsoft.com%2FMail.ReadWrite",
        "https%3A%2F%2Foutlook.office365.com%2FIMAP.AccessAsUser.All",
        "https%3A%2F%2Foutlook.office365.com%2FSMTP.Send"
);

{
    "error": "invalid_request",
    "error_description": "AADSTS28000: Provided value for the input parameter scope is not valid because it contains more than one resource. Scope offline_access https://graph.microsoft.com/user.read https://graph.microsoft.com/mail.readwrite https://outlook.office365.com/imap.accessasuser.all https://outlook.office365.com/smtp.send is not valid.\r\nTrace ID: c3282396-6231-4e11-8300-77bc2ca57f00\r\nCorrelation ID: 5f5145bf-7114-4e6c-ab11-30e7ff84a056\r\nTimestamp: 2020-05-06 08:08:48Z",
    "error_codes": [
        28000
    ],
    "timestamp": "2020-05-06 08:08:48Z",
    "trace_id": "c3282396-6231-4e11-8300-77bc2ca57f00",
    "correlation_id": "5f5145bf-7114-4e6c-ab11-30e7ff84a056"
}

当尝试使用microsoft graph的所有作用域时（从Azure Portal复制）

public static final List<String> SCOPES = Arrays.asList(
    "https%3A%2F%2Fgraph.microsoft.com%2Foffline_access",
    "https%3A%2F%2Fgraph.microsoft.com%2FUser.Read",
    "https%3A%2F%2Fgraph.microsoft.com%2FMail.ReadWrite",
    "https%3A%2F%2Fgraph.microsoft.com%2FIMAP.AccessAsUser.All",
    "https%3A%2F%2Fgraph.microsoft.com%2FSMTP.Send"
);

返回以下令牌（如果没有刷新令牌，则已请求offline_access）

{
    "token_type": "Bearer",
    "scope": "profile openid email https://graph.microsoft.com/IMAP.AccessAsUser.All https://graph.microsoft.com/Mail.ReadWrite https://graph.microsoft.com/SMTP.Send https://graph.microsoft.com/User.Read",
    "expires_in": 3599,
    "ext_expires_in": 3599,
    "access_token": "eyJ0eXAiOiJKV1..."
}

没有成功：

A1 NO AUTHENTICATE failed.

{
    "error": "invalid_grant",
    "error_description": "AADSTS54005: OAuth2 Authorization code was already redeemed, please retry with a new valid code or use an existing refresh token.\r\nTrace ID: 09fc80f4-f5fd-4e52-938f-d56b71dd0900\r\nCorrelation ID: 4f35e05c-23c8-4fdc-a5a7-2fcde5a73b44\r\nTimestamp: 2020-05-08 12:13:30Z",
    "error_codes": [
        54005
    ],
    "timestamp": "2020-05-08 12:13:30Z",
    "trace_id": "09fc80f4-f5fd-4e52-938f-d56b71dd0900",
    "correlation_id": "4f35e05c-23c8-4fdc-a5a7-2fcde5a73b44"
}

因此，不，我需要使用两个独立的令牌，这取决于我需要管理的资源。

更新5：

如果它仍然不起作用-检查您的组织是否启用了安全默认值-他们禁用帐户的pop/imap/smtp auth-https://techcommunity.microsoft.com/t5/exchange-team-blog/announcing-oauth-2-0-support-for-imap-and-smtp-auth-protocols-in/bc-p/1544725/highlight/true#m28589

杜河

2023-03-14

IMAP、SMTP作用域的目标是Exchange资源，而不是图形。而user.read和mail.readwrite是用于图形资源的。

我们不支持生成用于两个资源的令牌。因此，错误“为输入参数范围提供的值无效，因为它包含多个资源”。

您应该通过两次调用/token来分别生成两个令牌。1.为Exchange资源生成的IMAP、SMTP作用域。2.另一个具有图形作用域(user.read、mail.readwrite)，用于图形资源。

用于IMAP和SMTP的Office 365 XOAUTH2身份验证失败

共有1个答案

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