'.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',
$disk_quota,$current_disk_usage).
'
';
}
@@ -9036,7 +9650,7 @@ sub user_picker {
}
$srchterm = $srch->{'srchterm'};
}
- my %lt=&Apache::lonlocal::texthash(
+ my %html_lt=&Apache::lonlocal::texthash(
'usr' => 'Search criteria',
'doma' => 'Domain/institution to search',
'uname' => 'username',
@@ -9049,6 +9663,8 @@ sub user_picker {
'exact' => 'is',
'contains' => 'contains',
'begins' => 'begins with',
+ );
+ my %js_lt=&Apache::lonlocal::texthash(
'youm' => "You must include some text to search for.",
'thte' => "The text you are searching for must contain at least two characters when using a 'begins' type search.",
'thet' => "The text you are searching for must contain at least three characters when using a 'contains' type search.",
@@ -9058,6 +9674,8 @@ sub user_picker {
'whse' => "When searching by last,first you must include at least one character in the first name.",
'thfo' => "The following need to be corrected before the search can be run:",
);
+ &html_escape(\%html_lt);
+ &js_escape(\%js_lt);
my $domform = &select_dom_form($currdom,'srchdomain',1,1);
my $srchinsel = ' '.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',
+ $disk_quota,$current_disk_usage).'
';
return ('will_exceed_quota',$msg);
}
}
@@ -10924,21 +11683,21 @@ sub check_for_upload {
}
}
if (($current_disk_usage + $filesize) > $disk_quota){
- my $msg = ''.
+ &mt('Unable to upload [_1]. (size = [_2] kilobytes). Disk quota will be exceeded.',''.$fname.'',$filesize).'
'.
+ ''.&mt('Disk quota is [_1] kilobytes. Your current disk usage is [_2] kilobytes.',$disk_quota,$current_disk_usage).'
';
return ('will_exceed_quota',$msg);
} elsif ($found_file) {
if ($locked_file) {
- my $msg = ''.
''.$clonemsg.'';
}
@@ -14276,6 +15213,30 @@ sub construct_course {
$outcome .= ($fatal?$errtext:'write ok').$linefeed;
}
+#
+# Set params for Placement Tests
+#
+ if ($args->{'crstype'} eq 'Placement') {
+ my %storecontent;
+ my $prefix=$$crsudom.'_'.$$crsunum.'.0.';
+ my %defaults = (
+ buttonshide => { value => 'yes',
+ type => 'string_yesno',},
+ type => { value => 'randomizetry',
+ type => 'string_questiontype',},
+ maxtries => { value => 1,
+ type => 'int_pos',},
+ problemstatus => { value => 'no',
+ type => 'string_problemstatus',},
+ );
+ foreach my $key (keys(%defaults)) {
+ $storecontent{$prefix.$key} = $defaults{$key}{'value'};
+ $storecontent{$prefix.$key.'.type'} = $defaults{$key}{'type'};
+ }
+ &Apache::lonnet::cput
+ ('resourcedata',\%storecontent,$$crsudom,$$crsunum);
+ }
+
return (1,$outcome);
}
@@ -14336,8 +15297,7 @@ sub generate_code {
############################################################
############################################################
-#SD
-# only Community and Course, or anything else?
+# Community, Course and Placement Test
sub course_type {
my ($cid) = @_;
if (!defined($cid)) {
@@ -14355,17 +15315,19 @@ sub group_term {
my %names = (
'Course' => 'group',
'Community' => 'group',
+ 'Placement' => 'group',
);
return $names{$crstype};
}
sub course_types {
- my @types = ('official','unofficial','community','textbook');
+ my @types = ('official','unofficial','community','textbook','placement');
my %typename = (
official => 'Official course',
unofficial => 'Unofficial course',
community => 'Community',
textbook => 'Textbook course',
+ placement => 'Placement test',
);
return (\@types,\%typename);
}
@@ -14426,7 +15388,7 @@ sub escape_url {
my ($url) = @_;
my @urlslices = split(/\//, $url,-1);
my $lastitem = &escape(pop(@urlslices));
- return join('/',@urlslices).'/'.$lastitem;
+ return &HTML::Entities::encode(join('/',@urlslices),"'").'/'.$lastitem;
}
sub compare_arrays {
@@ -14484,6 +15446,17 @@ sub init_user_environment {
}
}
closedir(DIR);
+# If there is a undeleted lockfile for the user's paste buffer remove it.
+ my $namespace = 'nohist_courseeditor';
+ my $lockingkey = 'paste'."\0".'locked_num';
+ my %lockhash = &Apache::lonnet::get($namespace,[$lockingkey],
+ $domain,$username);
+ if (exists($lockhash{$lockingkey})) {
+ my $delresult = &Apache::lonnet::del($namespace,[$lockingkey],$domain,$username);
+ unless ($delresult eq 'ok') {
+ &Apache::lonnet::logthis("Failed to delete paste buffer locking key in $namespace for ".$username.":".$domain." Result was: $delresult");
+ }
+ }
}
# Give them a new cookie
my $id = ($args->{'robot'} ? 'robot'.$args->{'robot'}
@@ -14497,8 +15470,8 @@ sub init_user_environment {
}
# ------------------------------------ Check browser type and MathML capability
- my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,
- $clientunicode,$clientos,$clientmobile,$clientinfo) = &decode_user_agent($r);
+ my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml,$clientunicode,
+ $clientos,$clientmobile,$clientinfo,$clientosversion) = &decode_user_agent($r);
# ------------------------------------------------------------- Get environment
@@ -14531,6 +15504,7 @@ sub init_user_environment {
"browser.os" => $clientos,
"browser.mobile" => $clientmobile,
"browser.info" => $clientinfo,
+ "browser.osversion" => $clientosversion,
"server.domain" => $Apache::lonnet::perlvar{'lonDefDomain'},
"request.course.fn" => '',
"request.course.uri" => '',
@@ -14568,7 +15542,7 @@ sub init_user_environment {
undef,\%userenv,\%domdef,\%is_adv);
}
- foreach my $crstype ('official','unofficial','community','textbook') {
+ foreach my $crstype ('official','unofficial','community','textbook','placement') {
$userenv{'canrequest.'.$crstype} =
&Apache::lonnet::usertools_access($username,$domain,$crstype,
'reload','requestcourses',
@@ -14673,36 +15647,757 @@ sub clean_symb {
return ($symb,$enc);
}
-sub build_release_hashes {
- my ($checkparms,$checkresponsetypes,$checkcrstypes,$anonsurvey,$randomizetry) = @_;
- return unless((ref($checkparms) eq 'HASH') && (ref($checkresponsetypes) eq 'HASH') &&
- (ref($checkcrstypes) eq 'HASH') && (ref($anonsurvey) eq 'HASH') &&
- (ref($randomizetry) eq 'HASH'));
- foreach my $key (keys(%Apache::lonnet::needsrelease)) {
- my ($item,$name,$value) = split(/:/,$key);
- if ($item eq 'parameter') {
- if (ref($checkparms->{$name}) eq 'ARRAY') {
- unless(grep(/^\Q$name\E$/,@{$checkparms->{$name}})) {
- push(@{$checkparms->{$name}},$value);
- }
+############################################################
+############################################################
+
+=pod
+
+=head1 Routines for building display used to search for courses
+
+
+=over 4
+
+=item * &build_filters()
+
+Create markup for a table used to set filters to use when selecting
+courses in a domain. Used by lonpickcourse.pm, lonmodifycourse.pm
+and quotacheck.pl
+
+
+Inputs:
+
+filterlist - anonymous array of fields to include as potential filters
+
+crstype - course type
+
+roleelement - fifth arg in selectcourse_link() populates fifth arg in javascript: opencrsbrowser() function, used
+ to pop-open a course selector (will contain "extra element").
+
+multelement - if multiple course selections will be allowed, this will be a hidden form element: name: multiple; value: 1
+
+filter - anonymous hash of criteria and their values
+
+action - form action
+
+numfiltersref - ref to scalar (count of number of elements in institutional codes -- e.g., 4 for year, semester, department, and number)
+
+caller - caller context (e.g., set to 'modifycourse' when routine is called from lonmodifycourse.pm)
+
+cloneruname - username of owner of new course who wants to clone
+
+clonerudom - domain of owner of new course who wants to clone
+
+typeelem - text to use for left column in row containing course type (i.e., Course, Community or Course/Community)
+
+codetitlesref - reference to array of titles of components in institutional codes (official courses)
+
+codedom - domain
+
+formname - value of form element named "form".
+
+fixeddom - domain, if fixed.
+
+prevphase - value to assign to form element named "phase" when going back to the previous screen
+
+cnameelement - name of form element in form on opener page which will receive title of selected course
+
+cnumelement - name of form element in form on opener page which will receive courseID of selected course
+
+cdomelement - name of form element in form on opener page which will receive domain of selected course
+
+setroles - includes access constraint identifier when setting a roles-based condition for acces to a portfolio file
+
+clonetext - hidden form elements containing list of courses cloneable by intended course owner when DC creates a course
+
+clonewarning - warning message about missing information for intended course owner when DC creates a course
+
+
+Returns: $output - HTML for display of search criteria, and hidden form elements.
+
+
+Side Effects: None
+
+=cut
+
+# ---------------------------------------------- search for courses based on last activity etc.
+
+sub build_filters {
+ my ($filterlist,$crstype,$roleelement,$multelement,$filter,$action,
+ $numtitlesref,$caller,$cloneruname,$clonerudom,$typeelement,
+ $codetitlesref,$codedom,$formname,$fixeddom,$prevphase,
+ $cnameelement,$cnumelement,$cdomelement,$setroles,
+ $clonetext,$clonewarning) = @_;
+ my ($list,$jscript);
+ my $onchange = 'javascript:updateFilters(this)';
+ my ($domainselectform,$sincefilterform,$createdfilterform,
+ $ownerdomselectform,$persondomselectform,$instcodeform,
+ $typeselectform,$instcodetitle);
+ if ($formname eq '') {
+ $formname = $caller;
+ }
+ foreach my $item (@{$filterlist}) {
+ unless (($item eq 'descriptfilter') || ($item eq 'instcodefilter') ||
+ ($item eq 'sincefilter') || ($item eq 'createdfilter')) {
+ if ($item eq 'domainfilter') {
+ $filter->{$item} = &LONCAPA::clean_domain($filter->{$item});
+ } elsif ($item eq 'coursefilter') {
+ $filter->{$item} = &LONCAPA::clean_courseid($filter->{$item});
+ } elsif ($item eq 'ownerfilter') {
+ $filter->{$item} = &LONCAPA::clean_username($filter->{$item});
+ } elsif ($item eq 'ownerdomfilter') {
+ $filter->{'ownerdomfilter'} =
+ &LONCAPA::clean_domain($filter->{$item});
+ $ownerdomselectform = &select_dom_form($filter->{'ownerdomfilter'},
+ 'ownerdomfilter',1);
+ } elsif ($item eq 'personfilter') {
+ $filter->{$item} = &LONCAPA::clean_username($filter->{$item});
+ } elsif ($item eq 'persondomfilter') {
+ $persondomselectform = &select_dom_form($filter->{'persondomfilter'},
+ 'persondomfilter',1);
} else {
- push(@{$checkparms->{$name}},$value);
+ $filter->{$item} =~ s/\W//g;
}
- } elsif ($item eq 'resourcetag') {
- if ($name eq 'responsetype') {
- $checkresponsetypes->{$value} = $Apache::lonnet::needsrelease{$key}
+ if (!$filter->{$item}) {
+ $filter->{$item} = '';
+ }
+ }
+ if ($item eq 'domainfilter') {
+ my $allow_blank = 1;
+ if ($formname eq 'portform') {
+ $allow_blank=0;
+ } elsif ($formname eq 'studentform') {
+ $allow_blank=0;
+ }
+ if ($fixeddom) {
+ $domainselectform = ''.
+ &Apache::lonnet::domain($codedom,'description');
+ } else {
+ $domainselectform = &select_dom_form($filter->{$item},
+ 'domainfilter',
+ $allow_blank,'',$onchange);
+ }
+ } else {
+ $list->{$item} = &HTML::Entities::encode($filter->{$item},'<>&"');
+ }
+ }
+
+ # last course activity filter and selection
+ $sincefilterform = &timebased_select_form('sincefilter',$filter);
+
+ # course created filter and selection
+ if (exists($filter->{'createdfilter'})) {
+ $createdfilterform = &timebased_select_form('createdfilter',$filter);
+ }
+
+ my $prefix = $crstype;
+ if ($crstype eq 'Placement') {
+ $prefix = 'Placement Test'
+ }
+ my %lt = &Apache::lonlocal::texthash(
+ 'cac' => "$prefix Activity",
+ 'ccr' => "$prefix Created",
+ 'cde' => "$prefix Title",
+ 'cdo' => "$prefix Domain",
+ 'ins' => 'Institutional Code',
+ 'inc' => 'Institutional Categorization',
+ 'cow' => "$prefix Owner/Co-owner",
+ 'cop' => "$prefix Personnel Includes",
+ 'cog' => 'Type',
+ );
+
+ if (($formname eq 'ccrs') || ($formname eq 'requestcrs')) {
+ my $typeval = 'Course';
+ if ($crstype eq 'Community') {
+ $typeval = 'Community';
+ } elsif ($crstype eq 'Placement') {
+ $typeval = 'Placement';
+ }
+ $typeselectform = '';
+ } else {
+ $typeselectform = '";
+ }
+
+ my ($cloneableonlyform,$cloneabletitle);
+ if (exists($filter->{'cloneableonly'})) {
+ my $cloneableon = '';
+ my $cloneableoff = ' checked="checked"';
+ if ($filter->{'cloneableonly'}) {
+ $cloneableon = $cloneableoff;
+ $cloneableoff = '';
+ }
+ $cloneableonlyform = ''.(' 'x3).'';
+ if ($formname eq 'ccrs') {
+ $cloneabletitle = &mt('Cloneable for [_1]',$cloneruname.':'.$clonerudom);
+ } else {
+ $cloneabletitle = &mt('Cloneable by you');
+ }
+ }
+ my $officialjs;
+ if ($crstype eq 'Course') {
+ if (exists($filter->{'instcodefilter'})) {
+# if (($fixeddom) || ($formname eq 'requestcrs') ||
+# ($formname eq 'modifycourse') || ($formname eq 'filterpicker')) {
+ if ($codedom) {
+ $officialjs = 1;
+ ($instcodeform,$jscript,$$numtitlesref) =
+ &Apache::courseclassifier::instcode_selectors($codedom,'filterpicker',
+ $officialjs,$codetitlesref);
+ if ($jscript) {
+ $jscript = ''."\n";
+ }
+ }
+ if ($instcodeform eq '') {
+ $instcodeform =
+ '';
+ $instcodetitle = $lt{'ins'};
+ } else {
+ $instcodetitle = $lt{'inc'};
}
- } elsif ($item eq 'course') {
- if ($name eq 'crstype') {
- $checkcrstypes->{$value} = $Apache::lonnet::needsrelease{$key};
+ if ($fixeddom) {
+ $instcodetitle .= ' ('.$codedom.')';
}
}
}
- ($anonsurvey->{major},$anonsurvey->{minor}) = split(/\./,$Apache::lonnet::needsrelease{'parameter:type:anonsurvey'});
- ($randomizetry->{major},$randomizetry->{minor}) = split(/\./,$Apache::lonnet::needsrelease{'parameter:type:randomizetry'});
+ my $output = qq|
+'."\n".' '."\n";
+ return $jscript.$clonewarning.$output;
+}
+
+=pod
+
+=item * &timebased_select_form()
+
+Create markup for a dropdown list used to select a time-based
+filter e.g., Course Activity, Course Created, when searching for courses
+or communities
+
+Inputs:
+
+item - name of form element (sincefilter or createdfilter)
+
+filter - anonymous hash of criteria and their values
+
+Returns: HTML for a select box contained a blank, then six time selections,
+ with value set in incoming form variables currently selected.
+
+Side Effects: None
+
+=cut
+
+sub timebased_select_form {
+ my ($item,$filter) = @_;
+ if (ref($filter) eq 'HASH') {
+ $filter->{$item} =~ s/[^\d-]//g;
+ if (!$filter->{$item}) { $filter->{$item}=-1; }
+ return &select_form(
+ $filter->{$item},
+ $item,
+ { '-1' => '',
+ '86400' => &mt('today'),
+ '604800' => &mt('last week'),
+ '2592000' => &mt('last month'),
+ '7776000' => &mt('last three months'),
+ '15552000' => &mt('last six months'),
+ '31104000' => &mt('last year'),
+ 'select_form_order' =>
+ ['-1','86400','604800','2592000','7776000',
+ '15552000','31104000']});
+ }
+}
+
+=pod
+
+=item * &js_changer()
+
+Create script tag containing Javascript used to submit course search form
+when course type or domain is changed, and also to hide 'Searching ...' on
+page load completion for page showing search result.
+
+Inputs: None
+
+Returns: markup containing updateFilters() and hideSearching() javascript functions.
+
+Side Effects: None
+
+=cut
+
+sub js_changer {
+ return <
+//
+
+
+ENDJS
+}
+
+=pod
+
+=item * &search_courses()
+
+Process selected filters form course search form and pass to lonnet::courseiddump
+to retrieve a hash for which keys are courseIDs which match the selected filters.
+
+Inputs:
+
+dom - domain being searched
+
+type - course type ('Course' or 'Community' or '.' if any).
+
+filter - anonymous hash of criteria and their values
+
+numtitles - for institutional codes - number of categories
+
+cloneruname - optional username of new course owner
+
+clonerudom - optional domain of new course owner
+
+domcloner - optional "domcloner" flag; has value=1 if user has ccc priv in domain being filtered by,
+ (used when DC is using course creation form)
+
+codetitles - reference to array of titles of components in institutional codes (official courses).
+
+cc_clone - escaped comma separated list of courses for which course cloner has active CC role
+ (and so can clone automatically)
+
+reqcrsdom - domain of new course, where search_courses is used to identify potential courses to clone
+
+reqinstcode - institutional code of new course, where search_courses is used to identify potential
+ courses to clone
+
+Returns: %courses - hash of courses satisfying search criteria, keys = course IDs, values are corresponding colon-separated escaped description, institutional code, owner and type.
+
+
+Side Effects: None
+
+=cut
+
+
+sub search_courses {
+ my ($dom,$type,$filter,$numtitles,$cloneruname,$clonerudom,$domcloner,$codetitles,
+ $cc_clone,$reqcrsdom,$reqinstcode) = @_;
+ my (%courses,%showcourses,$cloner);
+ if (($filter->{'ownerfilter'} ne '') ||
+ ($filter->{'ownerdomfilter'} ne '')) {
+ $filter->{'combownerfilter'} = $filter->{'ownerfilter'}.':'.
+ $filter->{'ownerdomfilter'};
+ }
+ foreach my $item ('descriptfilter','coursefilter','combownerfilter') {
+ if (!$filter->{$item}) {
+ $filter->{$item}='.';
+ }
+ }
+ my $now = time;
+ my $timefilter =
+ ($filter->{'sincefilter'}==-1?1:$now-$filter->{'sincefilter'});
+ my ($createdbefore,$createdafter);
+ if (($filter->{'createdfilter'} ne '') && ($filter->{'createdfilter'} !=-1)) {
+ $createdbefore = $now;
+ $createdafter = $now-$filter->{'createdfilter'};
+ }
+ my ($instcodefilter,$regexpok);
+ if ($numtitles) {
+ if ($env{'form.official'} eq 'on') {
+ $instcodefilter =
+ &Apache::courseclassifier::instcode_search_str($dom,$numtitles,$codetitles);
+ $regexpok = 1;
+ } elsif ($env{'form.official'} eq 'off') {
+ $instcodefilter = &Apache::courseclassifier::instcode_search_str($dom,$numtitles,$codetitles);
+ unless ($instcodefilter eq '') {
+ $regexpok = -1;
+ }
+ }
+ } else {
+ $instcodefilter = $filter->{'instcodefilter'};
+ }
+ if ($instcodefilter eq '') { $instcodefilter = '.'; }
+ if ($type eq '') { $type = '.'; }
+
+ if (($clonerudom ne '') && ($cloneruname ne '')) {
+ $cloner = $cloneruname.':'.$clonerudom;
+ }
+ %courses = &Apache::lonnet::courseiddump($dom,
+ $filter->{'descriptfilter'},
+ $timefilter,
+ $instcodefilter,
+ $filter->{'combownerfilter'},
+ $filter->{'coursefilter'},
+ undef,undef,$type,$regexpok,undef,undef,
+ undef,undef,$cloner,$cc_clone,
+ $filter->{'cloneableonly'},
+ $createdbefore,$createdafter,undef,
+ $domcloner,undef,$reqcrsdom,$reqinstcode);
+ if (($filter->{'personfilter'} ne '') && ($filter->{'persondomfilter'} ne '')) {
+ my $ccrole;
+ if ($type eq 'Community') {
+ $ccrole = 'co';
+ } else {
+ $ccrole = 'cc';
+ }
+ my %rolehash = &Apache::lonnet::get_my_roles($filter->{'personfilter'},
+ $filter->{'persondomfilter'},
+ 'userroles',undef,
+ [$ccrole,'in','ad','ep','ta','cr'],
+ $dom);
+ foreach my $role (keys(%rolehash)) {
+ my ($cnum,$cdom,$courserole) = split(':',$role);
+ my $cid = $cdom.'_'.$cnum;
+ if (exists($courses{$cid})) {
+ if (ref($courses{$cid}) eq 'HASH') {
+ if (ref($courses{$cid}{roles}) eq 'ARRAY') {
+ if (!grep(/^\Q$courserole\E$/,@{$courses{$cid}{roles}})) {
+ push (@{$courses{$cid}{roles}},$courserole);
+ }
+ } else {
+ $courses{$cid}{roles} = [$courserole];
+ }
+ $showcourses{$cid} = $courses{$cid};
+ }
+ }
+ }
+ %courses = %showcourses;
+ }
+ return %courses;
+}
+
+=pod
+
+=back
+
+=head1 Routines for version requirements for current course.
+
+=over 4
+
+=item * &check_release_required()
+
+Compares required LON-CAPA version with version on server, and
+if required version is newer looks for a server with the required version.
+
+Looks first at servers in user's owen domain; if none suitable, looks at
+servers in course's domain are permitted to host sessions for user's domain.
+
+Inputs:
+
+$loncaparev - Version on current server (format: Major.Minor.Subrelease-datestamp)
+
+$courseid - Course ID of current course
+
+$rolecode - User's current role in course (for switchserver query string).
+
+$required - LON-CAPA version needed by course (format: Major.Minor).
+
+
+Returns:
+
+$switchserver - query string tp append to /adm/switchserver call (if
+ current server's LON-CAPA version is too old.
+
+$warning - Message is displayed if no suitable server could be found.
+
+=cut
+
+sub check_release_required {
+ my ($loncaparev,$courseid,$rolecode,$required) = @_;
+ my ($switchserver,$warning);
+ if ($required ne '') {
+ my ($reqdmajor,$reqdminor) = ($required =~ /^(\d+)\.(\d+)$/);
+ my ($major,$minor) = ($loncaparev =~ /^\'?(\d+)\.(\d+)\.[\w.\-]+\'?$/);
+ if ($reqdmajor ne '' && $reqdminor ne '') {
+ my $otherserver;
+ if (($major eq '' && $minor eq '') ||
+ (($reqdmajor > $major) || (($reqdmajor == $major) && ($reqdminor > $minor)))) {
+ my ($userdomserver) = &Apache::lonnet::choose_server($env{'user.domain'},undef,$required,1);
+ my $switchlcrev =
+ &Apache::lonnet::get_server_loncaparev($env{'user.domain'},
+ $userdomserver);
+ my ($swmajor,$swminor) = ($switchlcrev =~ /^\'?(\d+)\.(\d+)\.[\w.\-]+\'?$/);
+ if (($swmajor eq '' && $swminor eq '') || ($reqdmajor > $swmajor) ||
+ (($reqdmajor == $swmajor) && ($reqdminor > $swminor))) {
+ my $cdom = $env{'course.'.$courseid.'.domain'};
+ if ($cdom ne $env{'user.domain'}) {
+ my ($coursedomserver,$coursehostname) = &Apache::lonnet::choose_server($cdom,undef,$required,1);
+ my $serverhomeID = &Apache::lonnet::get_server_homeID($coursehostname);
+ my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID);
+ my %defdomdefaults = &Apache::lonnet::get_domain_defaults($serverhomedom);
+ my %udomdefaults = &Apache::lonnet::get_domain_defaults($env{'user.domain'});
+ my $remoterev = &Apache::lonnet::get_server_loncaparev($serverhomedom,$coursedomserver);
+ my $canhost =
+ &Apache::lonnet::can_host_session($env{'user.domain'},
+ $coursedomserver,
+ $remoterev,
+ $udomdefaults{'remotesessions'},
+ $defdomdefaults{'hostedsessions'});
+
+ if ($canhost) {
+ $otherserver = $coursedomserver;
+ } else {
+ $warning = &mt('Requires LON-CAPA version [_1].',$env{'course.'.$courseid.'.internal.releaserequired'}).' '. &mt("No suitable server could be found amongst servers in either your own domain or in the course's domain.");
+ }
+ } else {
+ $warning = &mt('Requires LON-CAPA version [_1].',$env{'course.'.$courseid.'.internal.releaserequired'}).' '.&mt("No suitable server could be found amongst servers in your own domain (which is also the course's domain).");
+ }
+ } else {
+ $otherserver = $userdomserver;
+ }
+ }
+ if ($otherserver ne '') {
+ $switchserver = 'otherserver='.$otherserver.'&role='.$rolecode;
+ }
+ }
+ }
+ return ($switchserver,$warning);
+}
+
+=pod
+
+=item * &check_release_result()
+
+Inputs:
+
+$switchwarning - Warning message if no suitable server found to host session.
+
+$switchserver - query string to append to /adm/switchserver containing lonHostID
+ and current role.
+
+Returns: HTML to display with information about requirement to switch server.
+ Either displaying warning with link to Roles/Courses screen or
+ display link to switchserver.
+
+=cut
+
+sub check_release_result {
+ my ($switchwarning,$switchserver) = @_;
+ my $output = &start_page('Selected course unavailable on this server').
+ '';
+ if ($switchwarning) {
+ $output .= $switchwarning.' ';
+ if (&show_course()) {
+ $output .= &mt('Display courses');
+ } else {
+ $output .= &mt('Display roles');
+ }
+ $output .= '';
+ } elsif ($switchserver) {
+ $output .= &mt('This course requires a newer version of LON-CAPA than is installed on this server.').
+ ' '.
+ ''.
+ &mt('Switch Server').
+ '';
+ }
+ $output .= ' '.&end_page();
+ return $output;
+}
+
+=pod
+
+=item * &needs_coursereinit()
+
+Determine if course contents stored for user's session needs to be
+refreshed, because content has changed since "Big Hash" last tied.
+
+Check for change is made if time last checked is more than 10 minutes ago
+(by default).
+
+Inputs:
+
+$loncaparev - Version on current server (format: Major.Minor.Subrelease-datestamp)
+
+$interval (optional) - Time which may elapse (in s) between last check for content
+ change in current course. (default: 600 s).
+
+Returns: an array; first element is:
+
+=over 4
+
+'switch' - if content updates mean user's session
+ needs to be switched to a server running a newer LON-CAPA version
+
+'update' - if course session needs to be refreshed (i.e., Big Hash needs to be reloaded)
+ on current server hosting user's session
+
+'' - if no action required.
+
+=back
+
+If first item element is 'switch':
+
+second item is $switchwarning - Warning message if no suitable server found to host session.
+
+third item is $switchserver - query string to append to /adm/switchserver containing lonHostID
+ and current role.
+
+otherwise: no other elements returned.
+
+=back
+
+=cut
+
+sub needs_coursereinit {
+ my ($loncaparev,$interval) = @_;
+ return() unless ($env{'request.course.id'} && $env{'request.course.tied'});
+ my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
+ my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
+ my $now = time;
+ if ($interval eq '') {
+ $interval = 600;
+ }
+ if (($now-$env{'request.course.timechecked'})>$interval) {
+ my $lastchange = &Apache::lonnet::get_coursechange($cdom,$cnum);
+ &Apache::lonnet::appenv({'request.course.timechecked'=>$now});
+ if ($lastchange > $env{'request.course.tied'}) {
+ my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired');
+ if ($curr_reqd_hash{'internal.releaserequired'} ne '') {
+ my $required = $env{'course.'.$cdom.'_'.$cnum.'.internal.releaserequired'};
+ if ($curr_reqd_hash{'internal.releaserequired'} ne $required) {
+ &Apache::lonnet::appenv({'course.'.$cdom.'_'.$cnum.'.internal.releaserequired' =>
+ $curr_reqd_hash{'internal.releaserequired'}});
+ my ($switchserver,$switchwarning) =
+ &check_release_required($loncaparev,$cdom.'_'.$cnum,$env{'request.role'},
+ $curr_reqd_hash{'internal.releaserequired'});
+ if ($switchwarning ne '' || $switchserver ne '') {
+ return ('switch',$switchwarning,$switchserver);
+ }
+ }
+ }
+ return ('update');
+ }
+ }
+ return ();
+}
+
sub update_content_constraints {
my ($cdom,$cnum,$chome,$cid) = @_;
my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired');
@@ -14884,29 +16579,30 @@ sub symb_to_docspath {
sub captcha_display {
my ($context,$lonhost) = @_;
my ($output,$error);
- my ($captcha,$pubkey,$privkey) = &get_captcha_config($context,$lonhost);
+ my ($captcha,$pubkey,$privkey,$version) =
+ &get_captcha_config($context,$lonhost);
if ($captcha eq 'original') {
$output = &create_captcha();
unless ($output) {
- $error = 'captcha';
+ $error = 'captcha';
}
} elsif ($captcha eq 'recaptcha') {
- $output = &create_recaptcha($pubkey);
+ $output = &create_recaptcha($pubkey,$version);
unless ($output) {
- $error = 'recaptcha';
+ $error = 'recaptcha';
}
}
- return ($output,$error);
+ return ($output,$error,$captcha,$version);
}
sub captcha_response {
my ($context,$lonhost) = @_;
my ($captcha_chk,$captcha_error);
- my ($captcha,$pubkey,$privkey) = &get_captcha_config($context,$lonhost);
+ my ($captcha,$pubkey,$privkey,$version) = &get_captcha_config($context,$lonhost);
if ($captcha eq 'original') {
($captcha_chk,$captcha_error) = &check_captcha();
} elsif ($captcha eq 'recaptcha') {
- $captcha_chk = &check_recaptcha($privkey);
+ $captcha_chk = &check_recaptcha($privkey,$version);
} else {
$captcha_chk = 1;
}
@@ -14915,7 +16611,7 @@ sub captcha_response {
sub get_captcha_config {
my ($context,$lonhost) = @_;
- my ($captcha,$pubkey,$privkey,$hashtocheck);
+ my ($captcha,$pubkey,$privkey,$version,$hashtocheck);
my $hostname = &Apache::lonnet::hostname($lonhost);
my $serverhomeID = &Apache::lonnet::get_server_homeID($hostname);
my $serverhomedom = &Apache::lonnet::host_domain($serverhomeID);
@@ -14931,6 +16627,10 @@ sub get_captcha_config {
}
if ($privkey && $pubkey) {
$captcha = 'recaptcha';
+ $version = $hashtocheck->{'recaptchaversion'};
+ if ($version ne '2') {
+ $version = 1;
+ }
} else {
$captcha = 'original';
}
@@ -14948,6 +16648,10 @@ sub get_captcha_config {
$privkey = $domconfhash{$serverhomedom.'.login.recaptchakeys_private'};
if ($privkey && $pubkey) {
$captcha = 'recaptcha';
+ $version = $domconfhash{$serverhomedom.'.login.recaptchaversion'};
+ if ($version ne '2') {
+ $version = 1;
+ }
} else {
$captcha = 'original';
}
@@ -14955,7 +16659,7 @@ sub get_captcha_config {
$captcha = 'original';
}
}
- return ($captcha,$pubkey,$privkey);
+ return ($captcha,$pubkey,$privkey,$version);
}
sub create_captcha {
@@ -14972,8 +16676,9 @@ sub create_captcha {
if (-e $Apache::lonnet::perlvar{'lonCaptchaDir'}.'/'.$md5sum.'.png') {
$output = ''."\n".
&mt('Type in the letters/numbers shown below').' '.
- ' '.
- ' ';
+ ''.
+ ' '.
+ ' ';
last;
}
}
@@ -15013,36 +16718,72 @@ sub check_captcha {
}
sub create_recaptcha {
- my ($pubkey) = @_;
- my $use_ssl;
- if ($ENV{'SERVER_PORT'} == 443) {
- $use_ssl = 1;
- }
- my $captcha = Captcha::reCAPTCHA->new;
- return $captcha->get_options_setter({theme => 'white'})."\n".
- $captcha->get_html($pubkey,undef,$use_ssl).
- &mt('If either word is hard to read, [_1] will replace them.',
- ' ').
- '
';
+ my ($pubkey,$version) = @_;
+ if ($version >= 2) {
+ return '';
+ } else {
+ my $use_ssl;
+ if ($ENV{'SERVER_PORT'} == 443) {
+ $use_ssl = 1;
+ }
+ my $captcha = Captcha::reCAPTCHA->new;
+ return $captcha->get_options_setter({theme => 'white'})."\n".
+ $captcha->get_html($pubkey,undef,$use_ssl).
+ &mt('If the text is hard to read, [_1] will replace them.',
+ ' ').
+ '
';
+ }
}
sub check_recaptcha {
- my ($privkey) = @_;
+ my ($privkey,$version) = @_;
my $captcha_chk;
- my $captcha = Captcha::reCAPTCHA->new;
- my $captcha_result =
- $captcha->check_answer(
- $privkey,
- $ENV{'REMOTE_ADDR'},
- $env{'form.recaptcha_challenge_field'},
- $env{'form.recaptcha_response_field'},
- );
- if ($captcha_result->{is_valid}) {
- $captcha_chk = 1;
+ if ($version >= 2) {
+ my $ua = LWP::UserAgent->new;
+ $ua->timeout(10);
+ my %info = (
+ secret => $privkey,
+ response => $env{'form.g-recaptcha-response'},
+ remoteip => $ENV{'REMOTE_ADDR'},
+ );
+ my $response = $ua->post('https://www.google.com/recaptcha/api/siteverify',\%info);
+ if ($response->is_success) {
+ my $data = JSON::DWIW->from_json($response->decoded_content);
+ if (ref($data) eq 'HASH') {
+ if ($data->{'success'}) {
+ $captcha_chk = 1;
+ }
+ }
+ }
+ } else {
+ my $captcha = Captcha::reCAPTCHA->new;
+ my $captcha_result =
+ $captcha->check_answer(
+ $privkey,
+ $ENV{'REMOTE_ADDR'},
+ $env{'form.recaptcha_challenge_field'},
+ $env{'form.recaptcha_response_field'},
+ );
+ if ($captcha_result->{is_valid}) {
+ $captcha_chk = 1;
+ }
}
return $captcha_chk;
}
+sub emailusername_info {
+ my @fields = ('firstname','lastname','institution','web','location','officialemail');
+ my %titles = &Apache::lonlocal::texthash (
+ lastname => 'Last Name',
+ firstname => 'First Name',
+ institution => 'School/college/university',
+ location => "School's city, state/province, country",
+ web => "School's web address",
+ officialemail => 'E-mail address at institution (if different)',
+ );
+ return (\@fields,\%titles);
+}
+
sub cleanup_html {
my ($incoming) = @_;
my $outgoing;
@@ -15065,11 +16806,75 @@ sub cleanup_html {
return $outgoing;
}
-=pod
-
-=back
+# Checks for critical messages and returns a redirect url if one exists.
+# $interval indicates how often to check for messages.
+sub critical_redirect {
+ my ($interval) = @_;
+ if ((time-$env{'user.criticalcheck.time'})>$interval) {
+ my @what=&Apache::lonnet::dump('critical', $env{'user.domain'},
+ $env{'user.name'});
+ &Apache::lonnet::appenv({'user.criticalcheck.time'=>time});
+ my $redirecturl;
+ if ($what[0]) {
+ if (($what[0] ne 'con_lost') && ($what[0]!~/^error\:/)) {
+ $redirecturl='/adm/email?critical=display';
+ my $url=&Apache::lonnet::absolute_url().$redirecturl;
+ return (1, $url);
+ }
+ }
+ }
+ return ();
+}
-=cut
+# Use:
+# my $answer=reply("encrypt:passwd:$udom:$uname:$upass",$tryserver);
+#
+##################################################
+# password associated functions #
+##################################################
+sub des_keys {
+ # Make a new key for DES encryption.
+ # Each key has two parts which are returned separately.
+ # Please note: Each key must be passed through the &hex function
+ # before it is output to the web browser. The hex versions cannot
+ # be used to decrypt.
+ my @hexstr=('0','1','2','3','4','5','6','7',
+ '8','9','a','b','c','d','e','f');
+ my $lkey='';
+ for (0..7) {
+ $lkey.=$hexstr[rand(15)];
+ }
+ my $ukey='';
+ for (0..7) {
+ $ukey.=$hexstr[rand(15)];
+ }
+ return ($lkey,$ukey);
+}
+
+sub des_decrypt {
+ my ($key,$cyphertext) = @_;
+ my $keybin=pack("H16",$key);
+ my $cypher;
+ if ($Crypt::DES::VERSION>=2.03) {
+ $cypher=new Crypt::DES $keybin;
+ } else {
+ $cypher=new DES $keybin;
+ }
+ my $plaintext='';
+ my $cypherlength = length($cyphertext);
+ my $numchunks = int($cypherlength/32);
+ for (my $j=0; $j<$numchunks; $j++) {
+ my $start = $j*32;
+ my $cypherblock = substr($cyphertext,$start,32);
+ my $chunk =
+ $cypher->decrypt(unpack("a8",pack("H16",substr($cypherblock,0,16))));
+ $chunk .=
+ $cypher->decrypt(unpack("a8",pack("H16",substr($cypherblock,16,16))));
+ $chunk=substr($chunk,1,ord(substr($chunk,0,1)) );
+ $plaintext .= $chunk;
+ }
+ return $plaintext;
+}
1;
__END__;
|