--- loncom/interface/lonuserutils.pm	2020/02/12 22:25:27	1.184.4.8
+++ loncom/interface/lonuserutils.pm	2019/05/06 18:25:58	1.198
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Utility functions for managing LON-CAPA user accounts
 #
-# $Id: lonuserutils.pm,v 1.184.4.8 2020/02/12 22:25:27 raeburn Exp $
+# $Id: lonuserutils.pm,v 1.198 2019/05/06 18:25:58 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -550,6 +550,7 @@ END
             case 'fsys':
                 alertmsg = '$alert{'ipass'}';
                 break;
+            case 'lti':
             default:
                 alertmsg = '';
         }
@@ -655,12 +656,10 @@ sub passwd_validation_js {
     my %passwdconf = &Apache::lonnet::get_passwdconf($domain);
     my ($min,$max,@chars,$numrules,$intargjs,%alert);
     $numrules = 0;
-    $min = $Apache::lonnet::passwdmin;
     if (ref($passwdconf{'chars'}) eq 'ARRAY') {
         if ($passwdconf{'min'} =~ /^\d+$/) {
-            if ($passwdconf{'min'} > $min) {
-                $min = $passwdconf{'min'};
-            }
+            $min = $passwdconf{'min'};
+            $numrules ++;
         }
         if ($passwdconf{'max'} =~ /^\d+$/) {
             $max = $passwdconf{'max'};
@@ -670,11 +669,11 @@ sub passwd_validation_js {
         if (@chars) {
             $numrules ++;
         }
-    }
-    if ($min > 0) {
+    } else {
+        $min = 7;
         $numrules ++;
     }
-    if (($min > 0) || ($max ne '') || (@chars > 0)) {
+    if (($min ne '') || ($max ne '') || (@chars > 0)) {
         my $alertmsg = &mt('Initial password did not satisfy requirement(s):').'\n\n';
         if ($min) {
             $alert{'min'} = &mt('minimum [quant,_1,character]',$min).'\n';
@@ -751,7 +750,7 @@ sub passwd_validation_js {
                 }
                 if ($rules{'spec'}) {
                      $intargjs .= q|
-            var specRegExp = /[!"#$%&'()*+,\-.\/:;<=>?@[\\^\]_`{\|}~]/;
+            var specRegExp = /[!"#$%&'()*+,\-.\/:;<=>?@[\\\]^_`{\|}~]/;
             if (!specRegExp.test(currpwval)) {
                 brokerules.push('spec');
             }
@@ -1038,6 +1037,7 @@ sub print_upload_manager_footer {
     my $krbform = &Apache::loncommon::authform_kerberos(%param);
     my $intform = &Apache::loncommon::authform_internal(%param);
     my $locform = &Apache::loncommon::authform_local(%param);
+    my $ltiform = &Apache::loncommon::authform_lti(%param);
     my $date_table = &date_setting_table(undef,undef,$context,undef,
                                          $formname,$permission,$crstype);
 
@@ -1066,7 +1066,7 @@ sub print_upload_manager_footer {
             &Apache::loncommon::help_open_topic('Auth_Options').
             "</p>\n";
     }
-    $Str .= &set_login($defdom,$krbform,$intform,$locform);
+    $Str .= &set_login($defdom,$krbform,$intform,$locform,$ltiform);
 
     my ($home_server_pick,$numlib) =
         &Apache::loncommon::home_server_form_item($defdom,'lcserver',
@@ -1083,8 +1083,14 @@ sub print_upload_manager_footer {
                 &Apache::lonhtmlcommon::row_closure();
     }
 
+    my ($trusted,$untrusted);
+    if ($context eq 'course') {
+        ($trusted,$untrusted) = &Apache::lonnet::trusted_domains('enroll',$defdom);
+    } elsif ($context eq 'author') {
+        ($trusted,$untrusted) = &Apache::lonnet::trusted_domains('othcoau',$defdom);
+    }
     $Str .= &Apache::lonhtmlcommon::row_title(&mt('Default domain'))
-           .&Apache::loncommon::select_dom_form($defdom,'defaultdomain',undef,1)
+           .&Apache::loncommon::select_dom_form($defdom,'defaultdomain',undef,1,undef,$trusted,$untrusted)
            .&Apache::lonhtmlcommon::row_closure();
 
     $Str .= &Apache::lonhtmlcommon::row_title(&mt('Starting and Ending Dates'))
@@ -2427,6 +2433,7 @@ sub build_user_record {
 
 sub courses_selector {
     my ($cdom,$formname) = @_;
+    my %coursecodes = ();
     my %codes = ();
     my @codetitles = ();
     my %cat_titles = ();
@@ -2439,15 +2446,14 @@ sub courses_selector {
     my $jscript = '';
 
     my $totcodes = 0;
-    my $instcats = &Apache::lonnet::get_dom_instcats($cdom);
-    if (ref($instcats) eq 'HASH') {
-        if ((ref($instcats->{'codetitles'}) eq 'ARRAY') && (ref($instcats->{'codes'}) eq 'HASH') &&
-            (ref($instcats->{'cat_titles'}) eq 'HASH') && (ref($instcats->{'cat_order'}) eq 'HASH')) {
-            %codes = %{$instcats->{'codes'}};
-            @codetitles = @{$instcats->{'codetitles'}};
-            %cat_titles = %{$instcats->{'cat_titles'}};
-            %cat_order = %{$instcats->{'cat_order'}};
-            $totcodes = scalar(keys(%codes));
+    $totcodes =
+        &Apache::courseclassifier::retrieve_instcodes(\%coursecodes,
+                                                      $cdom,$totcodes);
+    if ($totcodes > 0) {
+        $format_reply =
+             &Apache::lonnet::auto_instcode_format($caller,$cdom,\%coursecodes,
+                                \%codes,\@codetitles,\%cat_titles,\%cat_order);
+        if ($format_reply eq 'ok') {
             my $numtypes = @codetitles;
             &Apache::courseclassifier::build_code_selections(\%codes,\@codetitles,\%cat_titles,\%cat_order,\%idlist,\%idnums,\%idlist_titles);
             my ($scripttext,$longtitles) = &Apache::courseclassifier::javascript_definitions(\@codetitles,\%idlist,\%idlist_titles,\%idnums,\%cat_titles);
@@ -3661,8 +3667,6 @@ END
         setSections(formname,'$crstype');
         if (seccheck == 'ok') {
             opener.document.$callingform.newsecs.value = formname.sections.value;
-        } else {
-            return;
         }
 END
     } else {
@@ -4288,17 +4292,19 @@ sub upfile_drop_add {
         $fieldstype{$field.'_choice'} = 'scalar';
     }
     &Apache::loncommon::store_course_settings('enrollment_upload',\%fieldstype);
-    my ($cid,$crstype,$setting);
+    my ($cid,$crstype,$setting,$crsdom);
     if ($context eq 'domain') {
         $setting = $env{'form.roleaction'};
     }
     if ($env{'request.course.id'} ne '') {
         $cid = $env{'request.course.id'};
         $crstype = &Apache::loncommon::course_type();
+        $crsdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
     } elsif ($setting eq 'course') {
         if (&Apache::lonnet::is_course($env{'form.dcdomain'},$env{'form.dccourse'})) {
             $cid = $env{'form.dcdomain'}.'_'.$env{'form.dccourse'};
             $crstype = &Apache::loncommon::course_type($cid);
+            $crsdom = $env{'form.dcdomain'};
         }
     }
     my ($startdate,$enddate) = &get_dates_from_form();
@@ -4309,7 +4315,47 @@ sub upfile_drop_add {
     my $defdom=$env{'request.role.domain'};
     my $domain;
     if ($env{'form.defaultdomain'} ne '') {
-        $domain = $env{'form.defaultdomain'};
+        if (($context eq 'course') || ($setting eq 'course')) {
+            if ($env{'form.defaultdomain'} eq $crsdom) {
+                $domain = $env{'form.defaultdomain'};
+            } else {
+                if (&Apache::lonnet::will_trust('enroll',$crsdom,$env{'form.defaultdomain'})) {
+                    $domain = $env{'form.defaultdomain'};
+                } else {
+                    $r->print('<span class="LC_error">'.&mt('Error').': '.
+                              &mt('Enrollment of users not permitted for specified default domain: [_1].',
+                                  &Apache::lonnet::domain($env{'form.defaultdomain'},'description')).'</span>');
+                    return 'untrusted';
+                }
+            }
+        } elsif ($context eq 'author') {
+            if ($env{'form.defaultdomain'} eq $defdom) {
+                $domain = $env{'form.defaultdomain'}; 
+            } else {
+                if ((&Apache::lonnet::will_trust('othcoau',$defdom,$env{'form.defaultdomain'})) &&
+                    (&Apache::lonnet::will_trust('coaurem',$env{'form.defaultdomain'},$defdom))) {
+                    $domain = $env{'form.defaultdomain'};
+                } else {
+                    $r->print('<span class="LC_error">'.&mt('Error').': '.
+                              &mt('Addition of users not permitted for specified default domain: [_1].',
+                                  &Apache::lonnet::domain($env{'form.defaultdomain'},'description')).'</span>');
+                    return 'untrusted';
+                }
+            }
+        } elsif (($context eq 'domain') && ($setting eq 'domain')) {
+            if ($env{'form.defaultdomain'} eq $defdom) {
+                $domain = $env{'form.defaultdomain'};
+            } else {
+                if (&Apache::lonnet::will_trust('domroles',$defdom,$env{'form.defaultdomain'})) {
+                    $domain = $env{'form.defaultdomain'};
+                } else {
+                    $r->print('<span class="LC_error">'.&mt('Error').': '.
+                              &mt('Addition of users not permitted for specified default domain: [_1].',
+                                  &Apache::lonnet::domain($env{'form.defaultdomain'},'description')).'</span>');
+                    return 'untrusted';
+                }
+            }
+        }
     } else {
         $domain = $defdom;
     }
@@ -4321,7 +4367,6 @@ sub upfile_drop_add {
         if (! exists($home_servers{$desiredhost})) {
             $r->print('<p class="LC_error">'.&mt('Error').': '.
                       &mt('Invalid home server specified').'</p>');
-            $r->print(&Apache::loncommon::end_page());
             return 'invalidhome';
         }
     }
@@ -4332,7 +4377,6 @@ sub upfile_drop_add {
     }
     my $amode  = '';
     my $genpwd = '';
-    my @genpwdfail;
     if ($env{'form.login'} eq 'krb') {
         $amode='krb';
         $amode.=$env{'form.krbver'};
@@ -4341,14 +4385,14 @@ sub upfile_drop_add {
         $amode='internal';
         if ((defined($env{'form.intarg'})) && ($env{'form.intarg'})) {
             $genpwd=$env{'form.intarg'};
-            @genpwdfail =
-                &Apache::loncommon::check_passwd_rules($domain,$genpwd);
         }
     } elsif ($env{'form.login'} eq 'loc') {
         $amode='localauth';
         if ((defined($env{'form.locarg'})) && ($env{'form.locarg'})) {
             $genpwd=$env{'form.locarg'};
         }
+    } elsif ($env{'form.login'} eq 'lti') {
+        $amode='lti';
     }
     if ($amode =~ /^krb/) {
         if (! defined($genpwd) || $genpwd eq '') {
@@ -4421,6 +4465,7 @@ sub upfile_drop_add {
                                                   \@statuses,\@poss_roles);
                 &gather_userinfo($context,'view',\%userlist,$indexhash,\%info,
                              \%cstr_roles,$permission);
+
             }
         }
     }
@@ -4498,9 +4543,9 @@ sub upfile_drop_add {
         my $newuserdom = $env{'request.role.domain'};
         map { $cancreate{$_} = &can_create_user($newuserdom,$context,$_); } keys(%longtypes);
         # Get new users list
-        my (%existinguser,%userinfo,%disallow,%rulematch,%inst_results,%alerts,%checkuname,
-            %showpasswdrules,$haspasswdmap);
+        my (%existinguser,%userinfo,%disallow,%rulematch,%inst_results,%alerts,%checkuname);
         my $counter = -1;
+        my (%willtrust,%trustchecked);
         foreach my $line (@userdata) {
             $counter ++;
             my @secs;
@@ -4548,6 +4593,28 @@ sub upfile_drop_add {
                                 '"<b>'.$entries{$fields{'domain'}}.'</b>"',
                                 $fname,$mname,$lname,$gen);
                         next;
+                    } elsif ($entries{$fields{'domain'}} ne $domain) {
+                        my $possdom = $entries{$fields{'domain'}};
+                        if ($context eq 'course' || $setting eq 'course') {
+                            unless ($trustchecked{$possdom}) {
+                                $willtrust{$possdom} = &Apache::lonnet::will_trust('enroll',$domain,$possdom);
+                                $trustchecked{$possdom} = 1;
+                            }
+                        } elsif ($context eq 'author') {
+                            unless ($trustchecked{$possdom}) {
+                                $willtrust{$possdom} = &Apache::lonnet::will_trust('othcoau',$domain,$possdom);
+                            }
+                            if ($willtrust{$possdom}) {
+                                $willtrust{$possdom} = &Apache::lonnet::will_trust('coaurem',$possdom,$domain); 
+                            }
+                        }
+                        unless ($willtrust{$possdom}) {
+                            $disallow{$counter} =
+                                &mt('Unacceptable domain [_1] for user [_2] [_3] [_4] [_5]',
+                                    '"<b>'.$possdom.'</b>"',
+                                    $fname,$mname,$lname,$gen);
+                            next;
+                        }
                     }
                     my $username = $entries{$fields{'username'}};
                     my $userdomain = $entries{$fields{'domain'}};
@@ -4627,44 +4694,12 @@ sub upfile_drop_add {
                         }
                     }
                     # determine user password
-                    my $password;
-                    my $passwdfromfile;
+                    my $password = $genpwd;
                     if (defined($fields{'ipwd'})) {
                         if ($entries{$fields{'ipwd'}}) {
                             $password=$entries{$fields{'ipwd'}};
-                            $passwdfromfile = 1;
-                            if ($env{'form.login'} eq 'int') {
-                                my $uhome=&Apache::lonnet::homeserver($username,$userdomain);
-                                if (($uhome eq 'no_host') || ($changeauth)) {
-                                    my @brokepwdrules =
-                                        &Apache::loncommon::check_passwd_rules($domain,$password);
-                                    if (@brokepwdrules) {
-                                        $disallow{$counter} = &mt('[_1]: Password included in file for this user did not meet requirements.',
-                                                                  '<b>'.$username.'</b>');
-                                        map { $showpasswdrules{$_} = 1; } @brokepwdrules;
-                                        next;
-                                    }
-                                }
-                            }
                         }
                     }
-                    unless ($passwdfromfile) {
-                        if ($env{'form.login'} eq 'int') {
-                            if (@genpwdfail) {
-                                my $uhome=&Apache::lonnet::homeserver($username,$userdomain);
-                                if (($uhome eq 'no_host') || ($changeauth)) {
-                                    $disallow{$counter} = &mt('[_1]: No specific password in file for this user; default password did not meet requirements',
-                                                              '<b>'.$username.'</b>');
-                                    unless ($haspasswdmap) {
-                                        map { $showpasswdrules{$_} = 1; } @genpwdfail;
-                                        $haspasswdmap = 1;
-                                    }
-                                }
-                                next;
-                            }
-                        }
-                        $password = $genpwd;
-                    }
                     # determine user role
                     my $role = '';
                     if (defined($fields{'role'})) {
@@ -4732,7 +4767,7 @@ sub upfile_drop_add {
                                 &mt('The user does not already exist, and you may not create a new user in a different domain.');
                             next;
                         } else {
-                            unless ($password || $env{'form.login'} eq 'loc') {
+                            unless (($password ne '') || ($env{'form.login'} eq 'loc') || ($env{'form.login'} eq 'lti')) {
                                 $disallow{$counter} =
                                     &mt('[_1]: This is a new user but no default password was provided, and the authentication type requires one.',
                                         '<b>'.$username.'</b>');
@@ -4976,16 +5011,16 @@ sub upfile_drop_add {
                                     }
                                 }
                             }
-                        }
-                        if (!$multiple) {
-                            ($userresult,$authresult,$roleresult,$idresult) = 
-                                &modifyuserrole($context,$setting,
-                                                $changeauth,$cid,$userdomain,$username, 
-                                                $id,$amode,$password,$fname,
-                                                $mname,$lname,$gen,$singlesec,
-                                                $env{'form.forceid'},$desiredhost,
-                                                $email,$role,$enddate,$startdate,
-                                                $checkid,$inststatus);
+                            if (!$multiple) {
+                                ($userresult,$authresult,$roleresult,$idresult) = 
+                                    &modifyuserrole($context,$setting,
+                                                    $changeauth,$cid,$userdomain,$username, 
+                                                    $id,$amode,$password,$fname,
+                                                    $mname,$lname,$gen,$singlesec,
+                                                    $env{'form.forceid'},$desiredhost,
+                                                    $email,$role,$enddate,$startdate,
+                                                    $checkid,$inststatus);
+                            }
                         }
                     }
                     if ($multiple) {
@@ -5026,7 +5061,6 @@ sub upfile_drop_add {
                           $counts{'auth'})."</p>\n");
         }
         $r->print(&print_namespacing_alerts($domain,\%alerts,\%curr_rules));
-        $r->print(&passwdrule_alerts($domain,\%showpasswdrules));
         #####################################
         # Display list of students to drop  #
         #####################################
@@ -5096,38 +5130,6 @@ sub print_namespacing_alerts {
     }
 }
 
-sub passwdrule_alerts {
-    my ($domain,$passwdrules) = @_;
-    my $warning;
-    if (ref($passwdrules) eq 'HASH') {
-        my %showrules = %{$passwdrules};
-        if (keys(%showrules)) {
-            my %passwdconf = &Apache::lonnet::get_passwdconf($domain);
-            $warning = '<b>'.&mt('Password requirement(s) unmet for one or more users:').'</b><ul>';
-            if ($showrules{'min'}) {
-                $warning .= '<li>'.&mt('minimum [quant,_1,character]',$passwdconf{'min'}).'</li>';
-            }
-            if ($showrules{'max'}) {
-                $warning .= '<li>'.&mt('maximum [quant,_1,character]',$passwdconf{'max'}).'</li>';
-            }
-            if ($showrules{'uc'}) {
-                $warning .= '<li>'.&mt('contain at least one upper case letter').'</li>';
-            }
-            if ($showrules{'lc'}) {
-                $warning .= '<li>'.&mt('contain at least one lower case letter').'</li>';
-            }
-            if ($showrules{'num'}) {
-                $warning .= '<li>'.&mt('contain at least one number').'</li>';
-            }
-            if ($showrules{'spec'}) {
-                $warning .= '<li>'.&mt('contain at least one non-alphanumeric').'</li>';
-            }
-            $warning .= '</ul>';
-        }
-    }
-    return $warning;
-}
-
 sub user_change_result {
     my ($r,$userresult,$authresult,$roleresult,$idresult,$counts,$flushc,
         $username,$userdomain,$userchg) = @_;
@@ -5631,7 +5633,7 @@ END
 }
 
 sub set_login {
-    my ($dom,$authformkrb,$authformint,$authformloc) = @_;
+    my ($dom,$authformkrb,$authformint,$authformloc,$authformlti) = @_;
     my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$dom);
     my $response;
     my ($authnum,%can_assign) =
@@ -5653,6 +5655,11 @@ sub set_login {
                          '<td>'.$authformloc.'</td>'.
                          &Apache::loncommon::end_data_table_row()."\n";
         }
+        if ($can_assign{'lti'}) {
+            $response .= &Apache::loncommon::start_data_table_row().
+                         '<td>'.$authformlti.'</td>'.
+                         &Apache::loncommon::end_data_table_row()."\n";
+        }
         $response .= &Apache::loncommon::end_data_table();
     }
     return $response;
@@ -6007,26 +6014,7 @@ sub can_change_internalpass {
         unless ($env{'course.'.$env{'request.course.id'}.'.internal.nopasswdchg'}) {
             my ($cnum,$cdom) = &get_course_identity();
             if ((&Apache::lonnet::is_course_owner($cdom,$cnum)) && ($udom eq $env{'user.domain'})) {
-                my @userstatuses = ('default');
-                my %userenv = &Apache::lonnet::userenvironment($udom,$uname,'inststatus');
-                if ($userenv{'inststatus'} ne '') {
-                    @userstatuses =  split(/:/,$userenv{'inststatus'});
-                }
-                my $noupdate = 1;
-                my %passwdconf = &Apache::lonnet::get_passwdconf($cdom);
-                if (ref($passwdconf{'crsownerchg'}) eq 'HASH') {
-                    if (ref($passwdconf{'crsownerchg'}{'for'}) eq 'ARRAY') {
-                        foreach my $status (@userstatuses) {
-                            if (grep(/^\Q$status\E$/,@{$passwdconf{'crsownerchg'}{'for'}})) {
-                                undef($noupdate);
-                                last;
-                            }
-                        }
-                    }
-                }
-                if ($noupdate) {
-                    return;
-                }
+                my $noupdate;
                 my %owned = &Apache::lonnet::courseiddump($cdom,'.',1,'.',
                                                           $env{'user.name'}.':'.$env{'user.domain'},
                                                           undef,undef,undef,'.');