[BACK]Return to resetpw.pm CVS log [TXT] [DIR] Up to [LON-CAPA] / loncom / interface

Diff for /loncom/interface/resetpw.pm between versions 1.2 and 1.22.2.2

version 1.2, 2006/10/23 21:40:31 version 1.22.2.2, 2010/09/19 15:04:40
Line 1 Line 1
 # The LearningOnline Network  # The LearningOnline Network
 # Allow access to password changing via a token sent to user's e-mail.   # Allow access to password changing via a token sent to user's e-mail. 
 #  #
   # $Id$
   #
 # Copyright Michigan State University Board of Trustees  # Copyright Michigan State University Board of Trustees
 #  #
 # This file is part of the LearningOnline Network with CAPA (LON-CAPA).  # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
Line 24 Line 26
 # http://www.lon-capa.org/  # 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;  package Apache::resetpw;
   
 use strict;  use strict;
Line 41  sub handler { Line 65  sub handler {
     if ($r->header_only) {      if ($r->header_only) {
         return OK;          return OK;
     }      }
     my $start_page =  
         &Apache::loncommon::start_page('Reset password','',  
                                            {  
                                              'no_inline_link'   => 1,});  
     $r->print($start_page);  
     my $contact_name = &mt('LON-CAPA helpdesk');      my $contact_name = &mt('LON-CAPA helpdesk');
     my $contact_email =  $r->dir_config('lonSupportEMail');      my $contact_email =  $r->dir_config('lonSupportEMail');
     my $server = $r->dir_config('lonHostID');      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::lonacc::get_posted_cgi($r);
     &Apache::lonlocal::get_language_handle($r);      &Apache::lonlocal::get_language_handle($r);
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['token']);      &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['token']);
           
     my @emailtypes = ('permanentemail','critnotification','notification');      my @emailtypes = ('permanentemail','critnotification','notification');
     my $uname = &unescape($env{'form.uname'});      my $uname = &unescape($env{'form.uname'});
       my $useremail = $env{'form.useremail'};
     my $udom = $env{'form.udom'};      my $udom = $env{'form.udom'};
     my $token = $env{'form.token'};      my $token = $env{'form.token'};
     $r->print(&mt('<h3>Reset forgotten LON-CAPA password</h3>'));      my $case_change;
       my $start_page =
           &Apache::loncommon::start_page('Reset password','',
                                              {
                                                'no_inline_link'   => 1,});
       $r->print($start_page);
       $r->print('<h3>'.&mt('Reset forgotten LON-CAPA password').'</h3>');
     my $output;      my $output;
     if ($token) {      if ($token) {
         $output = &reset_passwd($r,$token,$contact_name,$contact_email);          $output = &reset_passwd($r,$token,$contact_name,$contact_email);
     } elsif ($uname && $udom) {      } elsif ($uname && $udom) {
         my $domdesc = $Apache::lonnet::domaindescription{$udom};          my $domdesc = &Apache::lonnet::domain($udom,'description');
         my $authtype = &Apache::lonnet::queryauthenticate($uname,$udom);          my $homeserver = &Apache::lonnet::homeserver($uname,$udom);
         if ($authtype =~ /^internal/) {          if ($homeserver eq 'no_host') {
             my %userinfo =               my $lc_uname =  lc($uname);
             &Apache::lonnet::get('environment',\@emailtypes,$udom,$uname);              if ($lc_uname ne $uname) {
             my $email = '';                  $homeserver = &Apache::lonnet::homeserver($lc_uname,$udom);
             my $emailtarget;                  unless ($homeserver eq 'no_host') {
             foreach my $type (@emailtypes) {                      $uname = $lc_uname;
                 $email = $userinfo{$type};                      $useremail = lc($env{'form.useremail'});
                 if ($email =~ /[^\@]+\@[^\@]+/) {                      $case_change = 1;
                     $emailtarget = $type;   
                     last;  
                 }                  }
             }              }
             if ($email =~ /[^\@]+\@[^\@]+/) {          }
                 $output = &send_token($uname,$udom,$email,$server,$domdesc,          my $authtype = &Apache::lonnet::queryauthenticate($uname,$udom);
                                       $contact_name,$contact_email);          if ($authtype =~ /^internal/) {
             } else {              if ($useremail !~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
                 $output = &invalid_state('missing',$domdesc,                  $output = &invalid_state('baduseremail',$domdesc,
                                          $contact_name,$contact_email);                                           $contact_name,$contact_email);
               } else {
                   my %userinfo = 
       &Apache::lonnet::get('environment',\@emailtypes,
    $udom,$uname);
                   my @allemails;
                   foreach my $type (@emailtypes) {
                       my $email = $userinfo{$type};
                       my @items;
                       if ($email =~ /,/) {
                           @items = split(',',$userinfo{$type});
                       } else {
                           @items = ($email);
                       }
                       foreach my $item (@items) {
                           if ($item =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) {
                               if ($case_change) {
                                   my $lcitem = lc($item);
                                   unless(grep(/^\Q$lcitem\E$/,@allemails)) {
                                       push(@allemails,$lcitem);
                                   }
                               } else {
                                   unless(grep(/^\Q$item\E$/,@allemails)) { 
                                       push(@allemails,$item);
                                   }
                               }
                           }
                       }
                   }
                   if (@allemails > 0) {
                       if (grep(/^\Q$useremail\E$/,@allemails)) {
                           $output = &send_token($uname,$udom,$useremail,$server,
                                                 $domdesc,$contact_name,
                                                 $contact_email);
                       } else {
                           $output = &invalid_state('mismatch',$domdesc,
                                                    $contact_name,
                                                    $contact_email);
                       }
                   } else {
                       $output = &invalid_state('missing',$domdesc,
                                                $contact_name,$contact_email);
                   }
             }              }
         } elsif ($authtype =~ /^(krb|unix|local)/) {           } elsif ($authtype =~ /^(krb|unix|local)/) { 
             $output = &invalid_state('authentication',$domdesc,              $output = &invalid_state('authentication',$domdesc,
Line 102  sub handler { Line 168  sub handler {
 sub get_uname {  sub get_uname {
     my ($defdom) = @_;      my ($defdom) = @_;
     my %lt = &Apache::lonlocal::texthash(      my %lt = &Apache::lonlocal::texthash(
                                          unam => 'username',                                           unam => 'LON-CAPA username',
                                          udom => 'domain',                                           udom => 'LON-CAPA domain',
                                            uemail => 'E-mail address in LON-CAPA',
                                          proc => 'Proceed');                                           proc => 'Proceed');
   
     my $msg = &mt('If you use the same account for other campus services besides LON-CAPA, (e.g., e-mail, course registration, etc.), a separate centrally managed mechanism likely exists to reset a password.  However, if your account is used for just LON-CAPA access you will probably be able to reset a password from this page.');      my $msg = '<br />'.&mt('To be able to reset a forgotten password:')
     $msg .= '<br /><br />'.&mt('Three conditions must be met:<ul><li>An e-mail address must have previously been associated with your LON-CAPA username.</li><li>You must be able to access e-mail sent to that address.</li><li>Your account must be of a type for which LON-CAPA can reset a password.</ul>');             .'<ul><li>'.&mt('An e-mail address must have previously been associated with your LON-CAPA username.').'</li>'
     $msg .= qq|             .'<li>'.&mt('You must be able to access e-mail sent to the e-mail address associated with your WebCenter account.').'</li></ul><br />'
              .&mt('In most cases the GCI WebCenter username is the same as your e-mail address, in which case you will enter the same information twice. ').'<br />';
       $msg .= '
 <form name="forgotpw" method="post">  <form name="forgotpw" method="post">
 <table>  <table>
 <tr><td>   <tr>
 <tr><td align="left">LON-CAPA $lt{'unam'}:                      </td>    <td align="left">'.$lt{'unam'}.':</td>
     <td><input type="text" name="uname" size="10"  /> </td></tr>    <td><input type="text" name="uname" size="30" />
 <tr><td align="left">LON-CAPA $lt{'udom'}:                      </td>        <input type="hidden" name="udom" value="'.$defdom.'" /></td>
     <td>|;   </tr>
     $msg .= &Apache::loncommon::select_dom_form($defdom,'udom');   <tr>
     $msg .= qq|</td></tr>    <td align="left">'.$lt{'uemail'}.':</td>
 <tr><td colspan="2" align="left"><br />    <td><input type="text" name="useremail" size="30" /></td>
     <input type="button" value="$lt{'proc'}" onClick="document.forgotpw.submit()"></td></tr>   </tr>
    <tr><td colspan="2" align="left"><br />
       <input type="submit" value="'.$lt{'proc'}.'" /></td>
    </tr>
 </table>  </table>
 </form>  </form>'."\n";
 |;  
     return $msg;      return $msg;
 }  }
   
 sub send_token {  sub send_token {
     my ($uname,$udom,$email,$server,$domdesc,$contact_name,      my ($uname,$udom,$email,$server,$domdesc,$contact_name,
         $contact_email) = @_;          $contact_email) = @_;
 #    my $token = MD5->hexhash(MD5->hexhash(time.{}.rand().$$));      my $msg = &mt('Thank you for your request to reset the password for your LON-CAPA account.').'<br /><br />';
     my $msg = &mt('Thank you for your request to reset the password for your  
         LON-CAPA account.').'<br /><br />';  
   
     my $now = time;      my $now = time;
     my $temppasswd = &create_passwd();      my $temppasswd = &create_passwd();
Line 142  sub send_token { Line 211  sub send_token {
  'email'      => $email,   'email'      => $email,
  'temppasswd' => $temppasswd);   'temppasswd' => $temppasswd);
   
     my $token = &Apache::lonnet::tmpput(\%info,$server);      my $token = &Apache::lonnet::tmpput(\%info,$server,'resetpw');
     if ($token !~ /^error/) {      if ($token !~ /^error/ && $token ne 'no_such_host') {
         my $esc_token = &escape($token);          my $esc_token = &escape($token);
         my $mailmsg = "A request was submitted on ".localtime(time)." for a reset of the ".          my $showtime = &Apache::lonlocal::locallocaltime(time);
              "password for your LON-CAPA account.".          my $reseturl = &Apache::lonnet::absolute_url().'/adm/resetpw?token='.$esc_token;
              "To complete this process please open a web browser and enter the following ".          my $mailmsg = &mt('A request was submitted on [_1] for reset of the password for your LON-CAPA account.',$showtime).' '.&mt('To complete this process please open a web browser and enter the following URL in the address/location box: [_1]',$reseturl);
              "URL in the address/location box: ".&Apache::lonnet::absolute_url()."/adm/resetpw?token=$esc_token";  
         my $result = &send_mail($domdesc,$email,$mailmsg,$contact_name,          my $result = &send_mail($domdesc,$email,$mailmsg,$contact_name,
                                 $contact_email);                                  $contact_email);
         if ($result eq 'ok') {          if ($result eq 'ok') {
             $msg .= &mt("An e-mail message sent to <b>$email</b> includes the web address for the link you should use to complete the reset process.<br /><br />The link included in the message will be valid for the next <b>two</b> hours.");              $msg .= &mt('An e-mail sent to the e-mail address associated with your LON-CAPA account includes the web address for the link you should use to complete the reset process.').'<br /><br />'.&mt('The link included in the message will be valid for the next [_1]two[_2] hours.','<b>','</b>');
         } else {          } else {
             $msg .= ("An error occurred when sending e-mail to $email with information about the reset process. Please contact the $contact_name ($contact_email) for assistance.");              $msg .= &mt('An error occurred when sending a message to the e-mail address associated with your LON-CAPA account. Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
         }          }
     } else {      } else {
         $msg .= &mt("An error occurred creating a token required for the password reset process. Please contact the $contact_name ($contact_email) for assistance.");          $msg .= &mt('An error occurred creating a token required for the password reset process. Please contact the [_1] ([_2]) for assistance.',$contact_name,$contact_email);
     }      }
     return $msg;      return $msg;
 }  }
Line 185  sub invalid_state { Line 253  sub invalid_state {
     my ($error,$domdesc,$contact_name,$contact_email) = @_;      my ($error,$domdesc,$contact_name,$contact_email) = @_;
     my $msg;      my $msg;
     if ($error eq 'invalid') {      if ($error eq 'invalid') {
         $msg = &mt('The username you provided was not verified as a valid username in the LON-CAPA system for the [_1] domain.',$domdesc).&mt(' Please <a href="javascript:history.go(-1)"><u>go back</u></a> and try again.');          $msg = &mt('The username you provided was not verified as a valid username in the LON-CAPA system for the [_1] domain.',$domdesc)
                 .' '.&mt('Please [_1]go back[_2] and try again.','<a href="javascript:history.go(-1)"><u>','</u></a>');
     } else {      } else {
         if ($error eq 'missing') {          if ($error eq 'baduseremail') {
               $msg = &mt('The e-mail address you provided does not appear to be a valid address.');
           } elsif ($error eq 'mismatch') {
               $msg = &mt('The e-mail address you provided does not match the address recorded in the LON-CAPA system for the username and domain you provided.');  
           } elsif ($error eq 'missing') {
             $msg = &mt('A valid e-mail address was not located in the LON-CAPA system for the username and domain you provided.');              $msg = &mt('A valid e-mail address was not located in the LON-CAPA system for the username and domain you provided.');
         } elsif ($error eq 'authentication') {          } elsif ($error eq 'authentication') {
             $msg = &mt('The username you provided uses an authentication type which can not be reset directly via LON-CAPA.');              $msg = &mt('The username you provided uses an authentication type which can not be reset directly via LON-CAPA.');
         }          }
         if ($contact_email ne '') {          if ($contact_email ne '') {
             my $escuri = &HTML::Entities::encode('/adm/resetpw','&<>"');              my $escuri = &HTML::Entities::encode('/adm/resetpw','&<>"');
             $msg .= &mt(' You may wish to contact the <a href="/adm/helpdesk?origurl=[_1]">LON-CAPA helpdesk</a> for the [_2] domain.',$escuri,$domdesc);              $msg .= '<br /> '.&mt('You may wish to contact the [_1]LON-CAPA helpdesk[_2] for the [_3] domain.'
                                    ,'<a href="/adm/helpdesk?origurl='.$escuri.'">','</a>',$domdesc);
         } else {          } else {
             $msg .= &mt(' You may wish to send an e-mail to the server administrator: [_1] for the [_2] domain.',Apache::lonnet::perlvar{'AdminEmail'},$domdesc);              $msg .= '<br /> '.&mt('You may wish to send an e-mail to the server administrator: [_1] for the [_2] domain.',$Apache::lonnet::perlvar{'AdminEmail'},$domdesc);
         }          }
     }      }
     return $msg;      return $msg;
Line 208  sub reset_passwd { Line 282  sub reset_passwd {
     my %data = &Apache::lonnet::tmpget($token);      my %data = &Apache::lonnet::tmpget($token);
     my $now = time;      my $now = time;
     if (keys(%data) == 0) {      if (keys(%data) == 0) {
         $msg = &mt('Sorry, the URL you provided to complete the reset of your password was invalid.  Either the token included in the URL has been deleted or the URL you provided was invalid. Please submit a <a href="/adm/resetpw">new request</a> for a password reset, and follow the link to the new URL included in the e-mail that will be sent to you, to allow you to enter a new password.');          $msg = &mt('Sorry, the URL you provided to complete the reset of your password was invalid. Either the token included in the URL has been deleted or the URL you provided was invalid. Please submit a [_1]new request[_2] for a password reset, and follow the link to the new URL included in the e-mail that will be sent to you, to allow you to enter a new password.'
                     ,'<a href="/adm/resetpw">','</a>');
         return $msg;          return $msg;
     }      }
     if (($data{'time'} =~ /^\d+$/) &&       if (($data{'time'} =~ /^\d+$/) && 
         ($data{'username'} ne '') &&           ($data{'username'} ne '') && 
         ($data{'domain'} ne '') &&           ($data{'domain'} ne '') && 
         ($data{'email'}  =~ /^[^\@]+\@[^\@]+$/) &&           ($data{'email'}  =~ /^[^\@]+\@[^\@]+\.[^\@\.]+$/) && 
         ($data{'temppasswd'} =~/^\w+$/)) {          ($data{'temppasswd'} =~/^\w+$/)) {
         my $reqtime = localtime($data{'time'});          my $reqtime = &Apache::lonlocal::locallocaltime($data{'time'});
         if ($now - $data{'time'} < 7200) {          if ($now - $data{'time'} < 7200) {
             if ($env{'form.action'} eq 'verify_and_change_pass') {              if ($env{'form.action'} eq 'verify_and_change_pass') {
                   my $homeserver = &Apache::lonnet::homeserver($env{'form.uname'},$env{'form.udom'});
                   if ($homeserver eq 'no_host') {
                       my $lc_uname =  lc($env{'form.uname'});
                       if ($lc_uname ne $env{'form.uname'}) {
                           $homeserver = &Apache::lonnet::homeserver($lc_uname,$env{'form.udom'});
                           unless ($homeserver eq 'no_host') {
                               if ($env{'form.uname'} eq $env{'form.email'}) {
                                   $env{'form.email'} = $lc_uname;
                               }
                               $env{'form.uname'} = $lc_uname;
                           }
                       }
                   }
                   unless (($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 =                   my $change_failed = 
     &Apache::lonpreferences::verify_and_change_password($r,'reset_by_email',$token);      &Apache::lonpreferences::verify_and_change_password($r,'reset_by_email',$token);
                 if (!$change_failed) {                  if (!$change_failed) {
                     my $delete = &Apache::lonnet::tmpdel($token);                      my $delete = &Apache::lonnet::tmpdel($token);
                     my $now = localtime(time);                      my $now = &Apache::lonlocal::locallocaltime(time);
                     my $domdesc =                       my $domdesc = 
                         $Apache::lonnet::domaindescription{$data{'domain'}};   &Apache::lonnet::domain($data{'domain'},'description');
                     my $mailmsg = &mt('The password for your LON-CAPA account in the [_1] domain was changed [_2] from IP address: [_3].  If you did not perform this change or authorize it, please contact the [_4] ([_5]).',$domdesc,$now,$ENV{'REMOTE_ADDR'},$contact_name,$contact_email)."\n";                      my $mailmsg = &mt('The password for your LON-CAPA account in the [_1] domain was changed [_2] from IP address: [_3].  If you did not perform this change or authorize it, please contact the [_4] ([_5]).',$domdesc,$now,$ENV{'REMOTE_ADDR'},$contact_name,$contact_email)."\n";
                     my $result = &send_mail($domdesc,$data{'email'},$mailmsg,                      my $result = &send_mail($domdesc,$data{'email'},$mailmsg,
                                             $contact_name,$contact_email);                                              $contact_name,$contact_email);
Line 234  sub reset_passwd { Line 326  sub reset_passwd {
                     } else {                      } else {
                         $msg .= &mt('An error occurred when sending e-mail to [_1] confirming setting of your new password.',$data{'email'});                          $msg .= &mt('An error occurred when sending e-mail to [_1] confirming setting of your new password.',$data{'email'});
                     }                      }
                     $msg .= '<br /<br />'.&mt('<a href="/adm/login">Go to the login page</a>.');                      $msg .= '<br /><br />'
                              .'<a href="/adm/login">'.&mt('Go to the login page').'</a>.';
                   } elsif ($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 {                  } 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 {              } 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 />');                  $r->print(&mt('The token included in an e-mail sent to you [_1] has been verified, so you may now proceed to reset the password for your LON-CAPA account.',$reqtime).'<br />'.
                 $r->print(&mt('Please enter the username and domain of the LON-CAPA account, and the associated e-mail address, for which you are setting a password. The new password must contain at least 7 characters.').' '.&mt('Your new password will be sent to the LON-CAPA server in an encrypted form.').'<br />');                            '<p>'.&mt('Please enter the username and domain of the LON-CAPA account, and the associated e-mail address, for which you are setting a password.').'<br />'.
                             &mt('In most cases the GCI WebCenter username is the same as your e-mail address, in which case you will enter the same information twice.').'</p>'.
                             '<p>'.&mt('The new password must contain at least 7 characters.').' '.
                             &mt('Your new password will be sent to the LON-CAPA server in an encrypted form.').'<br /></p>');
                 &Apache::lonpreferences::passwordchanger($r,'','reset_by_email',$token);                  &Apache::lonpreferences::passwordchanger($r,'','reset_by_email',$token);
             }              }
         } else {          } else {
             $msg = &mt('Sorry, the token generated when you requested a password reset has expired. Please submit a <a href="/adm/resetpw">new request</a>, and follow the link to the web page included in the new e-mail that will be sent to you, to allow you to enter a new password.');              $msg = &mt('Sorry, the token generated when you requested a password reset has expired. Please submit a [_1]new request[_2], and follow the link to the web page included in the new e-mail that will be sent to you, to allow you to enter a new password.'
                         ,'<a href="/adm/resetpw">','</a>');
         }          }
     } else {      } else {
         $msg .= &mt('Sorry, the URL generated when you requested reset of your password contained incomplete information. Please submit a <a href="/adm/resetpw">new request</a> for a password reset, and use the new URL that will be sent to your e-mail account to complete the process.');          $msg .= &mt('Sorry, the URL generated when you requested reset of your password contained incomplete information. Please submit a [_1]new request[_2] for a password reset, and use the new URL that will be sent to your e-mail account to complete the process.'
                      ,'<a href="/adm/resetpw">','</a>');
     }      }
     return $msg;      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 {  sub create_passwd {
     my $passwd = '';      my $passwd = '';
     my @letts = ("a".."z");      my @letts = ("a".."z");
Removed from v.1.2  
changed lines
  Added in v.1.22.2.2

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