--- loncom/interface/resetpw.pm	2008/11/28 18:28:52	1.11
+++ loncom/interface/resetpw.pm	2009/10/09 17:39:35	1.11.4.1
@@ -1,6 +1,8 @@
 # The LearningOnline Network
 # Allow access to password changing via a token sent to user's e-mail. 
 #
+# $Id: resetpw.pm,v 1.11.4.1 2009/10/09 17:39:35 raeburn Exp $
+#
 # Copyright Michigan State University Board of Trustees
 #
 # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
@@ -24,6 +26,28 @@
 # http://www.lon-capa.org/
 #
 #
+
+=pod
+
+=head1 NAME
+
+Apache::resetpw: reset user password.
+
+=head1 SYNOPSIS
+
+Handles resetting of forgotten passwords.
+
+This is part of the LearningOnline Network with CAPA project
+described at http://www.lon-capa.org.
+
+=head1 OVERVIEW
+
+A user with an e-mail address associated with his/her LON-CAPA username
+can reset a forgotten password, using a link sent to the e-mail address
+if the authentication type for the account is "internal".
+
+=cut
+
 package Apache::resetpw;
 
 use strict;
@@ -44,7 +68,7 @@ sub handler {
     my $contact_name = &mt('LON-CAPA helpdesk');
     my $contact_email =  $r->dir_config('lonSupportEMail');
     my $server = $r->dir_config('lonHostID');
-    my $defdom = $r->dir_config('lonDefDomain');
+    my $defdom = &Apache::lonnet::default_login_domain();
     &Apache::lonacc::get_posted_cgi($r);
     &Apache::lonlocal::get_language_handle($r);
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['token']);
@@ -244,6 +268,10 @@ sub reset_passwd {
         my $reqtime = &Apache::lonlocal::locallocaltime($data{'time'});
         if ($now - $data{'time'} < 7200) {
             if ($env{'form.action'} eq 'verify_and_change_pass') {
+                unless (($env{'form.uname'} eq $data{'username'}) && ($env{'form.udom'} eq $data{'domain'}) && ($env{'form.email'} eq $data{'email'})) {
+                    $msg = &generic_failure_msg($contact_name,$contact_email);
+                    return $msg;
+                }
                 my $change_failed = 
 		    &Apache::lonpreferences::verify_and_change_password($r,'reset_by_email',$token);
                 if (!$change_failed) {
@@ -260,8 +288,24 @@ sub reset_passwd {
                         $msg .= &mt('An error occurred when sending e-mail to [_1] confirming setting of your new password.',$data{'email'});
                     }
                     $msg .= '<br /><br />'.&mt('<a href="/adm/login">Go to the login page</a>.');
+                } elsif ($change_failed eq 'invalid_client') {
+                    my $homeserver = &Apache::lonnet::homeserver($data{'username'},$data{'domain'});
+                    if ($homeserver eq 'no_host') {
+                        $msg .= &generic_failure_msg($contact_name,$contact_email);
+                    } else {
+                        my $protocol = $Apache::lonnet::protocol{$homeserver};
+                        $protocol = 'http' if ($protocol ne 'https');
+                        my $url = $protocol.'://'.&Apache::lonnet::hostname($homeserver).
+                                  '/adm/resetpw';
+                        my ($opentag,$closetag);
+                        if ($url) {
+                           $opentag = '<a href="'.$url.'">';
+                           $closetag = '</a>';
+                        }
+                        $msg .= &mt('A problem occurred when attempting to reset the password for your account. Please try again from your [_1]home server[_2].',$opentag,$closetag);
+                    }
                 } else {
-                    $msg .= &mt('A problem occurred when attempting to reset the password for your account.  Please contact the [_1] - (<a href="mailto:[_2]">[_2]</a>) for assistance.',$contact_name,$contact_email);
+                    $msg .= &generic_failure_msg($contact_name,$contact_email);
                 }
             } else {
                 $r->print(&mt('The token included in an email sent to you [_1] has been verified, so you may now proceed to reset the password for your LON-CAPA account.',$reqtime).'<br /><br />');
@@ -277,6 +321,12 @@ sub reset_passwd {
     return $msg;
 }
 
+sub generic_failure_msg {
+    my ($contact_name,$contact_email) = @_;
+    return &mt('A problem occurred when attempting to reset the password for your account. Please contact the [_1] - ([_2]) for assistance.',
+              $contact_name,'<a href="mailto:'.$contact_email.'">'.$contact_email.'</a>');
+}
+
 sub create_passwd {
     my $passwd = '';
     my @letts = ("a".."z");