--- loncom/interface/loncommon.pm 2016/01/22 22:42:47 1.1231 +++ loncom/interface/loncommon.pm 2017/08/07 20:22:13 1.1287 @@ -1,7 +1,7 @@ # The LearningOnline Network with CAPA # a pile of common routines # -# $Id: loncommon.pm,v 1.1231 2016/01/22 22:42:47 damieng Exp $ +# $Id: loncommon.pm,v 1.1287 2017/08/07 20:22:13 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -71,12 +71,15 @@ use Apache::lonuserutils(); use Apache::lonuserstate(); use Apache::courseclassifier(); use LONCAPA qw(:DEFAULT :match); +use LONCAPA::LWPReq; use DateTime::TimeZone; -use DateTime::Locale::Catalog; +use DateTime::Locale; use Encode(); use Text::Aspell; use Authen::Captcha; use Captcha::reCAPTCHA; +use JSON::DWIW; +use LWP::UserAgent; use Crypt::DES; use DynaLoader; # for Crypt::DES version use MIME::Lite; @@ -265,7 +268,7 @@ BEGIN { next if ($line =~ /^\#/); chomp($line); my ($extension,$category)=(split(/\s+/,$line,2)); - push @{$category_extensions{lc($category)}},$extension; + push(@{$category_extensions{lc($category)}},$extension); } close($fh); } @@ -588,7 +591,10 @@ sub coursebrowser_javascript { if (formname == 'ccrs') { var ownername = document.forms[formid].ccuname.value; var ownerdom = document.forms[formid].ccdomain.options[document.forms[formid].ccdomain.selectedIndex].value; - url += '&cloner='+ownername+':'+ownerdom+'&crscode='+document.forms[formid].crscode.value; + url += '&cloner='+ownername+':'+ownerdom; + if (type == 'Course') { + url += '&crscode='+document.forms[formid].crscode.value; + } } if (formname == 'requestcrs') { url += '&crsdom=$domainfilter&crscode=$instcode'; @@ -876,6 +882,8 @@ sub selectcourse_link { my $linktext = &mt('Select Course'); if ($selecttype eq 'Community') { $linktext = &mt('Select Community'); + } elsif ($selecttype eq 'Placement') { + $linktext = &mt('Select Placement Test'); } elsif ($selecttype eq 'Course/Community') { $linktext = &mt('Select Course/Community'); $type = ''; @@ -936,8 +944,8 @@ ENDSCRT } sub select_timezone { - my ($name,$selected,$onchange,$includeempty)=@_; - my $output=''."\n"; if ($includeempty) { $output .= '\n"; } $typeselectform.=""; } @@ -16115,7 +16856,7 @@ sub search_courses { if (ref($courses{$cid}) eq 'HASH') { if (ref($courses{$cid}{roles}) eq 'ARRAY') { if (!grep(/^\Q$courserole\E$/,@{$courses{$cid}{roles}})) { - push (@{$courses{$cid}{roles}},$courserole); + push(@{$courses{$cid}{roles}},$courserole); } } else { $courses{$cid}{roles} = [$courserole]; @@ -16311,8 +17052,12 @@ sub needs_coursereinit { $interval = 600; } if (($now-$env{'request.course.timechecked'})>$interval) { - my $lastchange = &Apache::lonnet::get_coursechange($cdom,$cnum); &Apache::lonnet::appenv({'request.course.timechecked'=>$now}); + my $blocked = &blocking_status('reinit',$cnum,$cdom,undef,1); + if ($blocked) { + return (); + } + my $lastchange = &Apache::lonnet::get_coursechange($cdom,$cnum); if ($lastchange > $env{'request.course.tied'}) { my %curr_reqd_hash = &Apache::lonnet::userenvironment($cdom,$cnum,'internal.releaserequired'); if ($curr_reqd_hash{'internal.releaserequired'} ne '') { @@ -16340,7 +17085,7 @@ sub update_content_constraints { my ($reqdmajor,$reqdminor) = split(/\./,$curr_reqd_hash{'internal.releaserequired'}); my %checkresponsetypes; foreach my $key (keys(%Apache::lonnet::needsrelease)) { - my ($item,$name,$value,$valmatch) = split(/:/,$key); + my ($item,$name,$value) = split(/:/,$key); if ($item eq 'resourcetag') { if ($name eq 'responsetype') { $checkresponsetypes{$value} = $Apache::lonnet::needsrelease{$key} @@ -16445,8 +17190,8 @@ sub recurse_supplemental { } sub symb_to_docspath { - my ($symb) = @_; - return unless ($symb); + my ($symb,$navmapref) = @_; + return unless ($symb && ref($navmapref)); my ($mapurl,$id,$resurl) = &Apache::lonnet::decode_symb($symb); if ($resurl=~/\.(sequence|page)$/) { $mapurl=$resurl; @@ -16454,9 +17199,11 @@ sub symb_to_docspath { $mapurl=$env{'course.'.$env{'request.course.id'}.'.url'}; } my $mapresobj; - my $navmap = Apache::lonnavmaps::navmap->new(); - if (ref($navmap)) { - $mapresobj = $navmap->getResourceByUrl($mapurl); + unless (ref($$navmapref)) { + $$navmapref = Apache::lonnavmaps::navmap->new(); + } + if (ref($$navmapref)) { + $mapresobj = $$navmapref->getResourceByUrl($mapurl); } $mapurl=~s{^.*/([^/]+)\.(\w+)$}{$1}; my $type=$2; @@ -16466,7 +17213,7 @@ sub symb_to_docspath { if ($pcslist ne '') { foreach my $pc (split(/,/,$pcslist)) { next if ($pc <= 1); - my $res = $navmap->getByMapPc($pc); + my $res = $$navmapref->getByMapPc($pc); if (ref($res)) { my $thisurl = $res->src(); $thisurl=~s{^.*/([^/]+)\.\w+$}{$1}; @@ -16515,29 +17262,30 @@ sub symb_to_docspath { sub captcha_display { my ($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) { $error = 'captcha'; } } elsif ($captcha eq 'recaptcha') { - $output = &create_recaptcha($pubkey); + $output = &create_recaptcha($pubkey,$version); unless ($output) { $error = 'recaptcha'; } } - return ($output,$error,$captcha); + 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 { $captcha_chk = 1; } @@ -16546,7 +17294,7 @@ sub captcha_response { sub get_captcha_config { my ($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); @@ -16562,6 +17310,10 @@ sub get_captcha_config { } if ($privkey && $pubkey) { $captcha = 'recaptcha'; + $version = $hashtocheck->{'recaptchaversion'}; + if ($version ne '2') { + $version = 1; + } } else { $captcha = 'original'; } @@ -16579,6 +17331,10 @@ 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'; } @@ -16586,7 +17342,7 @@ sub get_captcha_config { $captcha = 'original'; } } - return ($captcha,$pubkey,$privkey); + return ($captcha,$pubkey,$privkey,$version); } sub create_captcha { @@ -16645,38 +17401,66 @@ 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 the text is hard to read, [_1] will replace them.', - 'reCAPTCHA refresh'). - '

'; + 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.', + 'reCAPTCHA refresh'). + '

'; + } } 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 %info = ( + secret => $privkey, + response => $env{'form.g-recaptcha-response'}, + remoteip => $ENV{'REMOTE_ADDR'}, + ); + my $request=new HTTP::Request('POST','https://www.google.com/recaptcha/api/siteverify'); + $request->content(join('&',map { + my $name = escape($_); + "$name=" . ( ref($info{$_}) eq 'ARRAY' + ? join("&$name=", map {escape($_) } @{$info{$_}}) + : &escape($info{$_}) ); + } keys(%info))); + my $response = &LONCAPA::LWPReq::makerequest('',$request,'','',10,1); + 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 @fields = ('firstname','lastname','institution','web','location','officialemail','id'); my %titles = &Apache::lonlocal::texthash ( lastname => 'Last Name', firstname => 'First Name', @@ -16684,6 +17468,7 @@ sub emailusername_info { location => "School's city, state/province, country", web => "School's web address", officialemail => 'E-mail address at institution (if different)', + id => 'Student/Employee ID', ); return (\@fields,\%titles); } @@ -16712,9 +17497,25 @@ sub cleanup_html { # Checks for critical messages and returns a redirect url if one exists. # $interval indicates how often to check for messages. +# $context is the calling context -- roles, grades, contents, menu or flip. sub critical_redirect { - my ($interval) = @_; + my ($interval,$context) = @_; if ((time-$env{'user.criticalcheck.time'})>$interval) { + if (($env{'request.course.id'}) && (($context eq 'flip') || ($context eq 'contents'))) { + my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; + my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; + my $blocked = &blocking_status('alert',$cnum,$cdom,undef,1); + if ($blocked) { + my $checkrole = "cm./$cdom/$cnum"; + if ($env{'request.course.sec'} ne '') { + $checkrole .= "/$env{'request.course.sec'}"; + } + unless ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) && + ($env{'request.role'} !~ m{^st\./$cdom/$cnum})) { + return; + } + } + } my @what=&Apache::lonnet::dump('critical', $env{'user.domain'}, $env{'user.name'}); &Apache::lonnet::appenv({'user.criticalcheck.time'=>time}); @@ -16764,11 +17565,19 @@ sub des_decrypt { } else { $cypher=new DES $keybin; } - my $plaintext= - $cypher->decrypt(unpack("a8",pack("H16",substr($cyphertext,0,16)))); - $plaintext.= - $cypher->decrypt(unpack("a8",pack("H16",substr($cyphertext,16,16)))); - $plaintext=substr($plaintext,1,ord(substr($plaintext,0,1)) ); + 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; }