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Item5459: Email is not passed from registration form to user page

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Is this intentional?

-- TWiki:Main/ArthurClemens - 20 Mar 2008


To protect privacy and prevent spam related email harvesting on public sites the email address is not automatically added to the user form.

-- TWiki:Main.KennethLavrsen - 20 Mar 2008

This has bitten me with BulkRegistration. I had to re-enter all e-mail addresses on all 30 user pages (and I can imagine organizations with more users).

-- TWiki:Main.ArthurClemens - 20 Mar 2008

This is a usability issue. Intranet use of TWiki has no e-mail harvesting issue, so it should be configurable, with the default to carry over the e-mail address.

-- TWiki:Main.PeterThoeny - 21 Mar 2008

Remember that before we introduced this behavior we had a serious security issue and a long discussion which ended up in a solution.

Please do not react on every bug report and revert same decision back and forth all over again. Next report is going to be a security bug that we expose people email address in the open by default.

We may have a problem with the bulk registration to fix but the normal registration should for sure not be turned into a security hell again.

The feature of hiding the email address is not active in a normal corporate Intranet site. It is only active when using a plain .htpasswd file and the TWiki::Users::HtPasswdUser as password manager.

When using for example a plain apache mod_ldap based solution the email address is stored in the users topic, simply because it has to. There are only two places TWiki can store an email address today. Either in the .htpasswd file or in the user topic.

TWiki can show email addresses in the users topics today if you set {AntiSpam}{HideUserDetails} to disabled. It is then displayed via the USERINFO line which is part of the default user form that we ship.

Our current implementation with .htpasswd and USERINFO gives the user the chance to register with one email address which is his real sensitive one and display another by manually adding a more disposable (e.g. gmail ) account in the form field.

In the rare cases where a corporate installation uses a plain htpasswd solution instead of a single sign on solution then it is possible to still display the email address via the USERINFO and {AntiSpam}{HideUserDetails} = 0

I have never played with bulk registration and here we may have a direct bug.

Bulk registration should work like normal registration. If you use TWiki::Users::HtPasswdUser as password manager the email address should be put in the .htpasswd file only. If you do not use the TWiki::Users::HtPasswdUser as password manager then TWiki should put the email address in the user form.

So to wrap up in a few bullets

  • TWiki copies the email address to the user topic in a typical corporate installation using a different password manager than the simple .htpasswd based one.
  • TWiki does not copy the email address to the user topic in the typical internet installation with public internet users where .htpasswd is normally used.
  • Bulk registration needs to work the same way as normal registration

-- TWiki:Main.KennethLavrsen - 22 Mar 2008

Summary Email is not passed from registration form to user page
ReportedBy TWiki:Main.ArthurClemens

SVN Range TWiki-5.0.0, Sun, 09 Mar 2008, build 16496
AppliesTo Engine

Priority Normal
CurrentState No Action Required


TargetRelease n/a

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Topic revision: r5 - 2008-03-22 - KennethLavrsen
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