--- loncom/interface/domainprefs.pm	2017/01/30 19:18:33	1.160.6.79
+++ loncom/interface/domainprefs.pm	2017/03/13 21:20:18	1.160.6.80
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set domain-wide configuration settings
 #
-# $Id: domainprefs.pm,v 1.160.6.79 2017/01/30 19:18:33 raeburn Exp $
+# $Id: domainprefs.pm,v 1.160.6.80 2017/03/13 21:20:18 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -262,6 +262,8 @@ sub handler {
                       help => 'Domain_Configuration_LangTZAuth',
                       header => [{col1 => 'Setting',
                                   col2 => 'Value'},
+                                 {col1 => 'Internal Authentication',
+                                  col2 => 'Value'},
                                  {col1 => 'Institutional user types',
                                   col2 => 'Assignable to e-mail usernames'}],
                       print => \&print_defaults,
@@ -744,7 +746,7 @@ sub print_config_box {
         if (($action eq 'autoupdate') || ($action eq 'usercreation') ||
             ($action eq 'selfcreation') || ($action eq 'selfenrollment') ||
             ($action eq 'usersessions') || ($action eq 'coursecategories') ||
-            ($action eq 'contacts')) {
+            ($action eq 'contacts') || ($action eq 'defaults')) {
             if ($action eq 'coursecategories') {
                 $output .= &print_coursecategories('middle',$dom,$item,$settings,\$rowtotal);
                 $colspan = ' colspan="2"';
@@ -5402,7 +5404,10 @@ sub print_usermodification {
 sub print_defaults {
     my ($position,$dom,$settings,$rowtotal) = @_;
     my $rownum = 0;
-    my ($datatable,$css_class);
+    my ($datatable,$css_class,$titles);
+    unless ($position eq 'bottom') {
+        $titles = &defaults_titles($dom);
+    }
     if ($position eq 'top') {
         my @items = ('auth_def','auth_arg_def','lang_def','timezone_def',
                      'datelocale_def','portal_def');
@@ -5415,7 +5420,6 @@ sub print_defaults {
                 $defaults{$item} = $domdefaults{$item};
             }
         }
-        my $titles = &defaults_titles($dom);
         foreach my $item (@items) {
             if ($rownum%2) {
                 $css_class = '';
@@ -5463,8 +5467,87 @@ sub print_defaults {
             $datatable .= '</td></tr>';
             $rownum ++;
         }
+    } elsif ($position eq 'middle') {
+        my @items = ('intauth_cost','intauth_check','intauth_switch');
+        my %defaults;
+        if (ref($settings) eq 'HASH') {
+            %defaults = %{$settings};
+            if ($defaults{'intauth_cost'} !~ /^\d+$/) {
+                $defaults{'intauth_cost'} = 10;
+            }
+            if ($defaults{'intauth_check'} !~ /^(0|1|2)$/) {
+                $defaults{'intauth_check'} = 0;
+            }
+            if ($defaults{'intauth_switch'} !~ /^(0|1|2)$/) {
+                $defaults{'intauth_switch'} = 0;
+            }
+        } else {
+            %defaults = (
+                          'intauth_cost'   => 10,
+                          'intauth_check'  => 0,
+                          'intauth_switch' => 0,
+                        );
+        }
+        foreach my $item (@items) {
+            if ($rownum%2) {
+                $css_class = '';
+            } else {
+                $css_class = ' class="LC_odd_row" ';
+            }
+            $datatable .= '<tr'.$css_class.'>'.
+                          '<td><span class="LC_nobreak">'.$titles->{$item}.
+                          '</span></td><td class="LC_left_item" colspan="3">';
+            if ($item eq 'intauth_switch') {
+                my @options = (0,1,2);
+                my %optiondesc = &Apache::lonlocal::texthash (
+                                   0 => 'No',
+                                   1 => 'Yes',
+                                   2 => 'Yes, and copy existing passwd file to passwd.bak file',
+                                 );
+                $datatable .= '<table width="100%">';
+                foreach my $option (@options) {
+                    my $checked = ' ';
+                    if ($defaults{$item} eq $option) {
+                        $checked = ' checked="checked"';
+                    }
+                    $datatable .= '<tr><td class="LC_left_item"><span class="LC_nobreak">'.
+                                  '<label><input type="radio" name="'.$item.
+                                  '" value="'.$option.'"'.$checked.' />'.
+                                  $optiondesc{$option}.'</label></span></td></tr>';
+                }
+                $datatable .= '</table>';
+            } elsif ($item eq 'intauth_check') {
+                my @options = (0,1,2);
+                my %optiondesc = &Apache::lonlocal::texthash (
+                                   0 => 'No',
+                                   1 => 'Yes, allow login then update passwd file using default cost (if higher)',
+                                   2 => 'Yes, disallow login if stored cost is less than domain default',
+                                 );
+                $datatable .= '<table wisth="100%">';
+                foreach my $option (@options) {
+                    my $checked = ' ';
+                    my $onclick;
+                    if ($defaults{$item} eq $option) {
+                        $checked = ' checked="checked"';
+                    }
+                    if ($option == 2) {
+                        $onclick = ' onclick="javascript:warnIntAuth(this);"';
+                    }
+                    $datatable .= '<tr><td class="LC_left_item"><span class="LC_nobreak">'.
+                                  '<label><input type="radio" name="'.$item.
+                                  '" value="'.$option.'"'.$checked.$onclick.' />'.
+                                  $optiondesc{$option}.'</label></span></td></tr>';
+                }
+                $datatable .= '</table>';
+            } else {
+                $datatable .= '<input type="text" name="'.$item.'" value="'.
+                              $defaults{$item}.'" size="3" onblur="javascript:warnIntAuth(this);" />';
+            }
+            $datatable .= '</td></tr>';
+            $rownum ++;
+        }
     } else {
-        my (%defaults);
+        my %defaults;
         if (ref($settings) eq 'HASH') {
             if ((ref($settings->{'inststatusorder'}) eq 'ARRAY') && (ref($settings->{'inststatustypes'}) eq 'HASH') &&
                 (ref($settings->{'inststatusguest'}) eq 'ARRAY')) {
@@ -5559,6 +5642,9 @@ sub defaults_titles {
                    'timezone_def'  => 'Default timezone',
                    'datelocale_def' => 'Default locale for dates',
                    'portal_def'     => 'Portal/Default URL',
+                   'intauth_cost'   => 'Encryption cost for bcrypt (positive integer)',
+                   'intauth_check'  => 'Check bcrypt cost if authenticated',
+                   'intauth_switch' => 'Existing crypt-based switched to bcrypt on authentication',
                  );
     if ($dom) {
         my $uprimary_id = &Apache::lonnet::domain($dom,'primary');
@@ -6062,7 +6148,35 @@ sub serverstatus_pages {
 
 sub defaults_javascript {
     my ($settings) = @_;
-    return unless (ref($settings) eq 'HASH');
+    my $intauthcheck = &mt('Warning: disallowing login for an authenticated user if the stored cost is less than the default will require a password reset by/for the user.');
+    my $intauthcost = &mt('Warning: bcrypt encryption cost for internal authentication must be an integer.');
+    &js_escape(\$intauthcheck);
+    &js_escape(\$intauthcost);
+    my $intauthjs = <<"ENDSCRIPT";
+
+function warnIntAuth(field) {
+    if (field.name == 'intauth_check') {
+        if (field.value == '2') {
+            alert('$intauthcheck');
+        }
+    }
+    if (field.name == 'intauth_cost') {
+        field.value.replace(/\s/g,'');
+        if (field.value != '') {
+            var regexdigit=/^\\d+\$/;
+            if (!regexdigit.test(field.value)) {
+                alert('$intauthcost');
+            }
+        }
+    }
+    return;
+}
+
+ENDSCRIPT
+
+    if (ref($settings) ne 'HASH') {
+        return &Apache::lonhtmlcommon::scripttag($intauthjs);
+    }
     if ((ref($settings->{'inststatusorder'}) eq 'ARRAY') && (ref($settings->{'inststatustypes'}) eq 'HASH')) {
         my $maxnum = scalar(@{$settings->{'inststatusorder'}});
         if ($maxnum eq '') {
@@ -6116,10 +6230,14 @@ $jstext
     return;
 }
 
+$intauthjs
+
 // ]]>
 </script>
 
 ENDSCRIPT
+    } else {
+        return &Apache::lonhtmlcommon::scripttag($intauthjs);
     }
 }
 
@@ -10444,7 +10562,8 @@ sub modify_defaults {
     my ($dom,$lastactref,%domconfig) = @_;
     my ($resulttext,$mailmsgtxt,%newvalues,%changes,@errors);
     my %domdefaults = &Apache::lonnet::get_domain_defaults($dom,1);
-    my @items = ('auth_def','auth_arg_def','lang_def','timezone_def','datelocale_def','portal_def');
+    my @items = ('auth_def','auth_arg_def','lang_def','timezone_def','datelocale_def',
+                 'portal_def','intauth_cost','intauth_check','intauth_switch');
     my @authtypes = ('internal','krb4','krb5','localauth');
     foreach my $item (@items) {
         $newvalues{$item} = $env{'form.'.$item};
@@ -10486,6 +10605,24 @@ sub modify_defaults {
                     push(@errors,$item);
                 }
             }
+        } elsif ($item eq 'intauth_cost') {
+            if ($newvalues{$item} ne '') {
+                if ($newvalues{$item} =~ /\D/) {
+                    push(@errors,$item);
+                }
+            }
+        } elsif ($item eq 'intauth_check') {
+            if ($newvalues{$item} ne '') {
+                unless ($newvalues{$item} =~ /^(0|1|2)$/) {
+                    push(@errors,$item);
+                }
+            }
+        } elsif ($item eq 'intauth_switch') {
+            if ($newvalues{$item} ne '') {
+                unless ($newvalues{$item} =~ /^(0|1|2)$/) {
+                    push(@errors,$item);
+                }
+            }
         }
         if (grep(/^\Q$item\E$/,@errors)) {
             $newvalues{$item} = $domdefaults{$item};
@@ -10640,6 +10777,28 @@ sub modify_defaults {
                                           localauth  => 'loc',
                         );
                         $value = $authnames{$shortauth{$value}};
+                    } elsif ($item eq 'intauth_switch') {
+                        my %optiondesc = &Apache::lonlocal::texthash (
+                                            0 => 'No',
+                                            1 => 'Yes',
+                                            2 => 'Yes, and copy existing passwd file to passwd.bak file',
+                                         );
+                        if ($value =~ /^(0|1|2)$/) {
+                            $value = $optiondesc{$value};
+                        } else {
+                            $value = &mt('none -- defaults to No');
+                        }
+                    } elsif ($item eq 'intauth_check') {
+                        my %optiondesc = &Apache::lonlocal::texthash (
+                                             0 => 'No',
+                                             1 => 'Yes, allow login then update passwd file using default cost (if higher)',
+                                             2 => 'Yes, disallow login if stored cost is less than domain default',
+                                         );
+                        if ($value =~ /^(0|1|2)$/) {
+                            $value = $optiondesc{$value};
+                        } else {
+                            $value = &mt('none -- defaults to No');
+                        }
                     }
                     $resulttext .= '<li>'.&mt('[_1] set to "[_2]"',$title->{$item},$value).'</li>';
                     $mailmsgtext .= "$title->{$item} set to $value\n";