lib/FPanel/ → lib/Fripost/Panel/

1 files changed, 241 insertions, 0 deletions

diff --git a/lib/Fripost/Panel/Login.pm b/lib/Fripost/Panel/Login.pm
new file mode 100644
index 0000000..8dcfd2b
--- /dev/null
+++ b/lib/Fripost/Panel/Login.pm
@@ -0,0 +1,241 @@
+package Fripost::Panel::Login;
+
+use 5.010_000;
+use strict;
+use warnings;
+use utf8;
+
+=head1 NAME
+
+Login.pm -
+
+=cut
+
+use parent 'CGI::Application';
+
+use CGI::Application::Plugin::AutoRunmode;
+use CGI::Application::Plugin::Session;
+use CGI::Application::Plugin::Authentication;
+use CGI::Application::Plugin::Redirect;
+use CGI::Application::Plugin::ConfigAuto 'cfg';
+
+use Net::LDAP;
+use Authen::SASL;
+use File::Spec::Functions qw/catfile catdir/;
+use HTML::Entities;
+
+
+# This method is called right before the 'setup' method below. It
+# initializes the session and authentication configurations.
+sub cgiapp_init {
+    my $self = shift;
+
+    my %CFG = $self->cfg;
+
+    $self->session_config(
+        CGI_SESSION_OPTIONS => [ 'driver:DB_File;serializer:freezethaw'
+                               , $self->query
+                               , { FileName => $CFG{session_db_filename},
+                                   UMask => 0600 }
+                               , { name => $CFG{session_authname} }
+                               ],
+        DEFAULT_EXPIRY      => $CFG{session_expire},
+        COOKIE_PARAMS       => { -name     => $CFG{session_authname}
+                               , -path     => $CFG{'cgi-bin'}
+                               # Expires when the browser quits
+                               , -expires  => -1
+                               ,'-max-age' => -1
+                               , -secure   => $CFG{secure_cookie}
+                               # We are not using JavaScript in this framework
+                               , -httponly => 1
+                               },
+       SEND_COOKIE          => 1,
+    );
+
+    # Configure authentication parameters
+    $self->authen->config(
+        DRIVER                => [ 'Generic', sub {
+            my ($u,$p) = @_;
+            my ($l,$d) = split /\@/, $u, 2;
+
+            unless (defined $d) {
+                $CFG{default_realm} // return 0;
+                $d  = $CFG{default_realm};
+                $u .= '@'.$d;
+            }
+            my $bind_dn = "fvu=$l,fvd=$d,". join (',', @{$CFG{ldap_suffix}});
+
+            my $ldap = Net::LDAP->new( $CFG{ldap_uri} );
+            my $mesg = $ldap->bind ( $bind_dn, password => $p );
+            $ldap->unbind;
+            $mesg->code ? 0 : $u;
+        } ],
+        STORE                 => 'Session',
+        LOGIN_RUNMODE         => 'login',
+        RENDER_LOGIN          => \&login_box,
+        LOGIN_SESSION_TIMEOUT => { IDLE_FOR => $CFG{timeout} },
+        LOGOUT_RUNMODE        => 'logout',
+    );
+
+    # The run modes that require authentication
+    $self->authen->protected_runmodes( qw /okay error_rm/ );
+}
+
+
+# This method is called by the inherited new() constructor method.
+# It defines the path for templates and chooses the Run Mode depending
+# on the URL and query string.
+sub setup {
+    my $self = shift;
+    $self->header_props( -charset=>'utf-8' );
+
+    $self->tmpl_path( catdir ( $self->cfg('pwd'), $self->cfg('tmpl_path') ) );
+
+    $self->mode_param( sub {
+        my $self = shift;
+        my $q = $self->query;
+        print STDERR $ENV{PATH_INFO} . '?' . $q->query_string, "\n";
+
+        # The user just logged in
+        return 'okay' if defined $q->param('login');
+        my $a = $q->param('a');
+
+        return 'login' if defined $a and $a eq 'login';
+        return 'logout' if defined $a and $a eq 'logout';
+
+        # /domain/{user,alias,list}/?query_url
+        my ($null,$domain,$local,$crap) = split /\//, $ENV{PATH_INFO};
+
+        return 'ListDomains' unless (defined $null) and $null eq '';
+
+        unless (defined $domain and $domain ne '') {
+            if (defined $a) {
+                return 'AddDomain' if $a eq 'add';
+            }
+            return 'ListDomains';
+        }
+
+        unless (defined $local and $local ne '') {
+            if (defined $a) {
+                return 'EditDomain' if $a eq 'edit';
+                return 'AddLocal' if $a eq 'add';
+            }
+            return 'ListLocals';
+        }
+
+        return 'EditLocal';
+    });
+}
+
+
+# This Run Mode redirects the freshly logged in user to the URL s/he
+# wanted to visit.
+sub okay : Runmode {
+    my $self = shift;
+    my $destination = $self->query->param('destination') //
+                      $self->query->url;
+    return $self->redirect($destination);
+}
+
+
+# This is the login Run Mode.
+sub login : Runmode {
+    my $self = shift;
+
+    # A logged user has no reason to ask for a relogin, so s/he is seen as
+    # an intruder
+    $self->authen->logout if $self->authen->is_authenticated;
+
+    # Do not come back here on the next Run Mode
+    $self->query->delete('a') if (defined $self->query->param('a')) and
+                                 $self->query->param('a') eq 'login';
+
+    # Where the users wants to go
+    $self->query->param( destination => $self->query->self_url)
+        unless defined $self->query->param('destination');
+
+    return $self->login_box;
+}
+
+
+# This method loads the login form.
+sub login_box {
+    my $self = shift;
+
+    my $template = $self->load_tmpl( 'login.html', cache => 1, utf8 => 1 );
+    $template->param( error => $self->authen->login_attempts );
+    $template->param( destination => $self->query->param('destination') );
+
+    return $template->output;
+}
+
+
+# This is the logout Run Mode.
+sub logout : Runmode {
+    my $self = shift;
+
+    if ($self->authen->is_authenticated) {
+        # Log out the user, delete the session and flush it off the disk
+        $self->authen->logout;
+        $self->session->delete;
+        $self->session->flush;
+    }
+
+    # Do not come back here on the next Run Mode
+    $self->query->delete('a') if (defined $self->query->param('a')) and
+                              $self->query->param('a') eq 'logout';
+
+    return $self->redirect($self->query->self_url);
+}
+
+# This is the error Run Mode.
+sub error_rm : ErrorRunmode {
+    my $self = shift;
+    my $error = shift;
+
+    if ($error =~ /^4\d+$/) {
+        # HTTP client error.
+        chomp $error;
+        $self->header_props ( -status => $error );
+        my $template = $self->load_tmpl( 'error_http.html', cache => 1, utf8 => 1 );
+        my $mesg;
+        if ($error eq '403' ) {
+            $mesg = 'Forbidden'
+        }
+        elsif ($error eq '404' ) {
+            $mesg = 'Not Found'
+        }
+        $template->param( code => $error );
+        $template->param( message => encode_entities ($mesg, "‘‘") );
+        return $template->output;
+    }
+
+    else {
+        # Users are not supposed to see that unless the CGI crashes :P
+        my $template = $self->load_tmpl( 'error.html', cache => 1, utf8 => 1 );
+        $template->param( email => $self->cfg('report_email') );
+        $template->param( message => $error );
+        $template->param( url => $self->query->url . '/');
+        return $template->output;
+    }
+}
+
+
+=head1 AUTHOR
+
+Guilhem Moulin C<< <guilhem at fripost.org> >>
+
+=head1 COPYRIGHT
+
+Copyright 2012 Guilhem Moulin.
+
+=head1 LICENSE
+
+This program is free software; you can redistribute it and/or modify it
+under the same terms as perl itself.
+
+=cut
+
+1;
+
+__END__