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Allow Outlook reauth when UPN differs from mailbox

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This commit is contained in:
Burak Kaan Köse
2026-04-22 01:43:53 +02:00
parent 59505d6985
commit 890bfc84f1
1 changed files with 2 additions and 12 deletions
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Wino.Authentication/OutlookAuthenticator.cs
+2 -12
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@@ -106,10 +106,6 @@ public class OutlookAuthenticator : BaseAuthenticator, IOutlookAuthenticator
return await GenerateTokenInformationAsync(account); return await GenerateTokenInformationAsync(account);
} }
catch (Exception)
{
throw;
}
} }
public async Task<TokenInformationEx> GenerateTokenInformationAsync(MailAccount account) public async Task<TokenInformationEx> GenerateTokenInformationAsync(MailAccount account)
@@ -128,14 +124,8 @@ public class OutlookAuthenticator : BaseAuthenticator, IOutlookAuthenticator
.AcquireTokenInteractive(GetScope(account)) .AcquireTokenInteractive(GetScope(account))
.ExecuteAsync(); .ExecuteAsync();
// If the account is null, it means it's the initial creation of it. // Microsoft 365 work/school tenants can use a sign-in UPN that differs from
// If not, make sure the authenticated user address matches the username. // the mailbox primary SMTP address, so interactive reauth must not reject them.
// When people refresh their token, accounts must match.
if (account?.Address != null && !account.Address.Equals(authResult.Account.Username, StringComparison.OrdinalIgnoreCase))
{
throw new AuthenticationException("Authenticated address does not match with your account address. If you are signing with a Office365, it is not officially supported yet.");
}
return new TokenInformationEx(authResult.AccessToken, authResult.Account.Username); return new TokenInformationEx(authResult.AccessToken, authResult.Account.Username);
} }