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.\" ========================================================================
.\"
.IX Title "Catalyst::Authentication::Credential::NoPassword 3pm"
.TH Catalyst::Authentication::Credential::NoPassword 3pm "2023-01-22" "perl v5.36.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
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.SH "NAME"
Catalyst::Authentication::Credential::NoPassword \- Authenticate a user
without a password.
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 3
\&    use Catalyst qw/
\&      Authentication
\&      /;
\&
\&    package MyApp::Controller::Auth;
\&
\&    sub login_as_another_user : Local {
\&        my ($self, $c) = @_;
\&
\&        if ($c\->user_exists() and $c\->user\->username() eq \*(Aqroot\*(Aq) {
\&            $c\->authenticate( {id => c\->req\->params\->{user_id}}, \*(Aqnopassword\*(Aq );
\&        }
\&    }
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This authentication credential checker takes authentication information 
(most often a username) and retrieves the user from the store. No validation
of any credentials is done. This is intended for administrative backdoors,
\&\s-1SAML\s0 logins and so on when you have identified the new user by other means.
.SH "CONFIGURATION"
.IX Header "CONFIGURATION"
.Vb 10
\&    # example
\&    <Plugin::Authentication>
\&        <nopassword>
\&            <credential>
\&                class = NoPassword
\&            </credential>
\&            <store>
\&                class = DBIx::Class
\&                user_model = DB::User
\&                role_relation = roles
\&                role_field = name
\&            </store>
\&        </nopassword>
\&    </Plugin::Authentication>
.Ve
.SH "METHODS"
.IX Header "METHODS"
.ie n .SS "authenticate ( $c, $realm, $authinfo )"
.el .SS "authenticate ( \f(CW$c\fP, \f(CW$realm\fP, \f(CW$authinfo\fP )"
.IX Subsection "authenticate ( $c, $realm, $authinfo )"
Try to log a user in.