--- loncom/auth/lonauth.pm 2017/08/08 16:43:54 1.144 +++ loncom/auth/lonauth.pm 2020/03/15 23:04:10 1.159 @@ -1,7 +1,7 @@ # The LearningOnline Network # User Authentication Module # -# $Id: lonauth.pm,v 1.144 2017/08/08 16:43:54 raeburn Exp $ +# $Id: lonauth.pm,v 1.159 2020/03/15 23:04:10 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -36,6 +36,7 @@ use Apache::loncommon(); use Apache::lonnet; use Apache::lonmenu(); use Apache::createaccount; +use Apache::ltiauth; use Fcntl qw(:flock); use Apache::lonlocal; use Apache::File(); @@ -45,7 +46,7 @@ use Digest::MD5; # ------------------------------------------------------------ Successful login sub success { my ($r, $username, $domain, $authhost, $lowerurl, $extra_env, - $form) = @_; + $form,$skipcritical,$cid) = @_; # ------------------------------------------------------------ Get cookie ready my $cookie = @@ -64,17 +65,20 @@ sub success { # ------------------------------------------------- Check for critical messages - my @what=&Apache::lonnet::dump('critical',$domain,$username); - if ($what[0]) { - if (($what[0] ne 'con_lost') && ($what[0]!~/^error\:/)) { - $lowerurl='/adm/email?critical=display'; + unless ($skipcritical) { + my @what=&Apache::lonnet::dump('critical',$domain,$username); + if ($what[0]) { + if (($what[0] ne 'con_lost') && ($what[0]!~/^error\:/)) { + $lowerurl='/adm/email?critical=display'; + } } } # ----------------------------------------------------------- Get cookies ready my ($securecookie,$defaultcookie); - if ($ENV{'SERVER_PORT'} == 443) { - $securecookie="lonID=$cookie; path=/; HttpOnly; secure"; + my $ssl = $r->subprocess_env('https'); + if ($ssl) { + $securecookie="lonSID=$cookie; path=/; HttpOnly; secure"; my $lonidsdir=$r->dir_config('lonIDsDir'); if (($lonidsdir) && (-e "$lonidsdir/$cookie.id")) { my $linkname=substr(Digest::MD5::md5_hex(Digest::MD5::md5_hex(time(). {}. rand(). $$)), 0, 32).'_linked'; @@ -85,7 +89,7 @@ sub success { "$lonidsdir/$linkname.id"); 1 }; if ($made_symlink) { $defaultcookie = "lonLinkID=$linkname; path=/; HttpOnly;"; - &Apache::lonnet::appenv({'user.linkedenv' => "$lonidsdir/$linkname.id"}); + &Apache::lonnet::appenv({'user.linkedenv' => $linkname}); } } } else { @@ -93,7 +97,35 @@ sub success { } # -------------------------------------------------------- Menu script and info my $destination = $lowerurl; - + if ($env{'request.lti.login'}) { + if (($env{'request.lti.reqcrs'}) && ($env{'request.lti.reqrole'} eq 'cc')) { + &Apache::loncommon::content_type($r,'text/html'); + if ($securecookie) { + $r->headers_out->add('Set-cookie' => $securecookie); + } + if ($defaultcookie) { + $r->headers_out->add('Set-cookie' => $defaultcookie); + } + $r->send_http_header; + if (ref($form) eq 'HASH') { + $form->{'lti.login'} = $env{'request.lti.login'}; + $form->{'lti.reqcrs'} = $env{'request.lti.reqcrs'}; + $form->{'lti.reqrole'} = $env{'request.lti.reqrole'}; + $form->{'lti.sourcecrs'} = $env{'request.lti.sourcecrs'}; + } + &Apache::ltiauth::lti_reqcrs($r,$domain,$form,$username,$domain); + return; + } + if ($env{'request.lti.selfenrollrole'}) { + if (&Apache::ltiauth::lti_enroll($username,$domain, + $env{'request.lti.selfenrollrole'}) eq 'ok') { + $form->{'role'} = $env{'request.lti.selfenrollrole'}; + &Apache::lonnet::delenv('request.lti.selfenrollrole'); + } else { + &Apache::ltiauth::invalid_request($r,24); + } + } + } if (defined($form->{role})) { my $envkey = 'user.role.'.$form->{role}; my $now=time; @@ -116,16 +148,26 @@ sub success { } if (defined($form->{symb})) { my $destsymb = $form->{symb}; + my $encrypted; + if ($destsymb =~ m{^/enc/}) { + $encrypted = 1; + if ($cid) { + $destsymb = &Apache::lonenc::unencrypted($destsymb,$cid); + } + } $destination .= ($destination =~ /\?/) ? '&' : '?'; if ($destsymb =~ /___/) { - # FIXME Need to deal with encrypted symbs and urls as needed. my ($map,$resid,$desturl)=split(/___/,$destsymb); $desturl = &Apache::lonnet::clutter($desturl); + if ($encrypted) { + $desturl = &Apache::lonenc::encrypted($desturl,1,$cid); + $destsymb = $form->{symb}; + } $desturl = &HTML::Entities::encode($desturl,'"<>&'); $destsymb = &HTML::Entities::encode($destsymb,'"<>&'); $destination .= 'destinationurl='.$desturl. '&destsymb='.$destsymb; - } else { + } elsif (!$encrypted) { $destsymb = &HTML::Entities::encode($destsymb,'"<>&'); $destination .= 'destinationurl='.$destsymb; } @@ -135,8 +177,11 @@ sub success { $destination .= 'source=login'; } - my $windowinfo = Apache::lonhtmlcommon::scripttag('self.name="loncapaclient";'); - my $header = ''; + my $windowname = 'loncapaclient'; + if ($env{'request.lti.login'}) { + $windowname .= 'lti'; + } + my $windowinfo = Apache::lonhtmlcommon::scripttag('self.name="'.$windowname.'";'); my $brcrum = [{'href' => '', 'text' => 'Successful Login'},]; my $args = {'bread_crumbs' => $brcrum,}; @@ -161,11 +206,7 @@ sub success { } } } - my $start_page=&Apache::loncommon::start_page('Successful Login', - $header,$args); - my $end_page =&Apache::loncommon::end_page(); - my $continuelink=''.&mt('Continue').''; # ------------------------------------------------- Output for successful login &Apache::loncommon::content_type($r,'text/html'); @@ -177,23 +218,56 @@ sub success { } $r->send_http_header; - my %lt=&Apache::lonlocal::texthash( - 'wel' => 'Welcome', - 'pro' => 'Login problems?', - ); - my $loginhelp = &loginhelpdisplay($domain); - if ($loginhelp) { - $loginhelp = '

'.$lt{'pro'}.'

'; + my ($start_page,$js,$pagebody,$end_page); + if ($env{'request.lti.login'}) { + $args = {'only_body' => 1}; + if ($env{'request.lti.target'} eq '') { + my $ltitarget = (($destination =~ /\?/) ? '&' : '?'). + 'ltitarget=iframe'; + $js = <<"ENDJS"; + + - my $welcome = &mt('Welcome to the Learning[_1]Online[_2] Network with CAPA. Please wait while your session is being set up.','',''); +ENDJS + $args->{'add_entries'} = {'onload' => "javascript:setLTItarget();"}; + $pagebody = ''; + } else { + $args->{'redirect'} = [0,$destination,1]; + } + $start_page=&Apache::loncommon::start_page('',$js,$args); + } else { + $args->{'redirect'} = [0,$destination]; + $start_page=&Apache::loncommon::start_page('Successful Login', + $js,$args); + + my %lt=&Apache::lonlocal::texthash( + 'wel' => 'Welcome', + 'pro' => 'Login problems?', + ); + $pagebody = "

$lt{'wel'}

\n". + &mt('Welcome to the Learning[_1]Online[_2] Network with CAPA. Please wait while your session is being set up.','',''); + my $loginhelp = &loginhelpdisplay($domain); + if ($loginhelp) { + $pagebody .= '

'.$lt{'pro'}.'

'; + } + } + $end_page = &Apache::loncommon::end_page(); $r->print(<$lt{'wel'} -$welcome -$loginhelp -$continuelink +$pagebody $end_page ENDSUCCESS return; @@ -235,6 +309,26 @@ sub failed { $retry .= (($retry=~/\?/)?'&':'?').'symb='.$symb; } } + if (exists($form->{firsturl})) { + my $firsturl = &Apache::loncommon::cleanup_html($form->{firsturl}); + if ($firsturl ne '') { + $retry .= (($retry=~/\?/)?'&':'?').'firsturl='.$firsturl; + if ($firsturl =~ m{^/tiny/$match_domain/\w+$}) { + unless (exists($form->{linkprot})) { + if (exists($form->{linkkey})) { + $retry .= 'linkkey='.$form->{linkkey}; + } + } + } + } + } + if (exists($form->{linkprot})) { + my $ltoken = &Apache::lonnet::tmpput({linkprot => $form->{'linkprot'}}, + $r->dir_config('lonHostID')); + if ($ltoken) { + $retry .= (($retry =~ /\?/) ? '&' : '?').'ltoken='.$ltoken; + } + } my $end_page = &Apache::loncommon::end_page(); &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; @@ -298,6 +392,9 @@ sub handler { my $dest = '/adm/roles'; if ($env{'form.firsturl'} ne '') { $dest = $env{'form.firsturl'}; + if ($env{'form.firsturl'} =~ m{^/tiny/$match_domain/\w+$}) { + &Apache::lonnet::appenv({'request.deeplink.login' => $env{'form.firsturl'}}); + } } $r->print( $start_page @@ -334,10 +431,11 @@ sub handler { # split user logging in and "su"-user - ($form{'uname'},$form{'suname'})=split(/\:/,$form{'uname'}); + ($form{'uname'},$form{'suname'},$form{'sudom'})=split(/\:/,$form{'uname'}); $form{'uname'} = &LONCAPA::clean_username($form{'uname'}); $form{'suname'}= &LONCAPA::clean_username($form{'suname'}); - $form{'udom'} = &LONCAPA::clean_domain( $form{'udom'}); + $form{'udom'} = &LONCAPA::clean_domain($form{'udom'}); + $form{'sudom'} = &LONCAPA::clean_domain($form{'sudom'}); my $role = $r->dir_config('lonRole'); my $domain = $r->dir_config('lonDefDomain'); @@ -368,7 +466,7 @@ sub handler { return OK; } - my ($key,$firsturl,$rolestr,$symbstr,$iptokenstr)=split(/&/,$tmpinfo); + my ($key,$firsturl,$rolestr,$symbstr,$iptokenstr,$linkstr)=split(/&/,$tmpinfo); if ($rolestr) { $rolestr = &unescape($rolestr); } @@ -378,6 +476,12 @@ sub handler { if ($iptokenstr) { $iptokenstr = &unescape($iptokenstr); } + if ($linkstr) { + $linkstr = &unescape($linkstr); + } + if ($firsturl =~ m{^/tiny/$match_domain/\w+$}) { + $form{'firsturl'} = $firsturl; + } if ($rolestr =~ /^role=/) { (undef,$form{'role'}) = split('=',$rolestr); } @@ -387,6 +491,11 @@ sub handler { if ($iptokenstr =~ /^iptoken=/) { (undef,$form{'iptoken'}) = split('=',$iptokenstr); } + if ($linkstr =~ /^linkprot=/) { + (undef,$form{'linkprot'}) = split('=',$linkstr); + } elsif ($linkstr =~ /^linkkey=/) { + (undef,$form{'linkkey'}) = split('=',$linkstr); + } my $upass = $ENV{HTTPS} ? $form{'upass0'} : &Apache::loncommon::des_decrypt($key,$form{'upass0'}); @@ -406,7 +515,7 @@ sub handler { my $authhost=Apache::lonnet::authenticate($form{'uname'},$upass, $form{'udom'},$defaultauth, $clientcancheckhost); - + # --------------------------------------------------------------------- Failed? if ($authhost eq 'no_host') { @@ -462,20 +571,68 @@ sub handler { # --------------------------------- Are we attempting to login as somebody else? if ($form{'suname'}) { + my ($suname,$sudom,$sudomref); + $suname = $form{'suname'}; + $sudom = $form{'udom'}; + if ($form{'sudom'}) { + unless ($sudom eq $form{'sudom'}) { + if (&Apache::lonnet::domain($form{'sudom'})) { + $sudomref = [$form{'sudom'}]; + $sudom = $form{'sudom'}; + } + } + } # ------------ see if the original user has enough privileges to pull this stunt - if (&Apache::lonnet::privileged($form{'uname'},$form{'udom'})) { + if (&Apache::lonnet::privileged($form{'uname'},$form{'udom'},$sudomref)) { # ---------------------------------------------------- see if the su-user exists - unless (&Apache::lonnet::homeserver($form{'suname'},$form{'udom'}) - eq 'no_host') { - &Apache::lonnet::logthis(&Apache::lonnet::homeserver($form{'suname'},$form{'udom'})); + unless (&Apache::lonnet::homeserver($suname,$sudom) eq 'no_host') { # ------------------------------ see if the su-user is not too highly privileged - unless (&Apache::lonnet::privileged($form{'suname'},$form{'udom'})) { + if (&Apache::lonnet::privileged($suname,$sudom)) { + &Apache::lonnet::logthis('Attempted switch user to privileged user'); + } else { + my $noprivswitch; +# +# su-user's home server and user's home server must have one of: +# (a) same domain +# (b) same primary library server for the two domains +# (c) same "internet domain" for primary library server(s) for home servers' domains +# + my $suprim = &Apache::lonnet::domain($sudom,'primary'); + my $suintdom = &Apache::lonnet::internet_dom($suprim); + unless ($sudom eq $form{'udom'}) { + my $uprim = &Apache::lonnet::domain($form{'udom'},'primary'); + my $uintdom = &Apache::lonnet::internet_dom($uprim); + unless ($suprim eq $uprim) { + unless ($suintdom eq $uintdom) { + &Apache::lonnet::logthis('Attempted switch user ' + .'to user with different "internet domain".'); + $noprivswitch = 1; + } + } + } + + unless ($noprivswitch) { +# +# server where log-in occurs must have same "internet domain" as su-user's home +# server +# + my $lonhost = $r->dir_config('lonHostID'); + my $hostintdom = &Apache::lonnet::internet_dom($lonhost); + if ($hostintdom ne $suintdom) { + &Apache::lonnet::logthis('Attempted switch user on a ' + .'server with a different "internet domain".'); + } else { + # -------------------------------------------------------- actually switch users - &Apache::lonnet::logperm('User '.$form{'uname'}.' at '.$form{'udom'}. - ' logging in as '.$form{'suname'}); - $form{'uname'}=$form{'suname'}; - } else { - &Apache::lonnet::logthis('Attempted switch user to privileged user'); + + &Apache::lonnet::logperm('User '.$form{'uname'}.' at '. + $form{'udom'}.' logging in as '.$suname.':'.$sudom); + $form{'uname'}=$suname; + if ($form{'udom'} ne $sudom) { + $form{'udom'}=$sudom; + } + } + } } } } else { @@ -511,7 +668,7 @@ sub handler { \%form); my $switchto = '/adm/switchserver?otherserver='.$otherserver; if (($firsturl) && ($firsturl ne '/adm/switchserver') && ($firsturl ne '/adm/roles')) { - $switchto .= '&origurl='.$firsturl; + $switchto .= '&origurl='.$firsturl; #should escape } if ($form{'role'}) { $switchto .= '&role='.$form{'role'}; @@ -519,6 +676,14 @@ sub handler { if ($form{'symb'}) { $switchto .= '&symb='.$form{'symb'}; } + if ($form{'linkprot'}) { + $env{'request.linkprot'} = $form{'linkprot'}; + } elsif ($form{'firsturl'} =~ m{^/tiny/$match_domain/\w+$}) { + if ($form{'linkkey'}) { + $env{'request.linkkey'} = $form{'linkkey'}; + } + $env{'request.deeplink.login'} = $form{'firsturl'}; + } $r->internal_redirect($switchto); } else { $r->print(&noswitch()); @@ -532,7 +697,7 @@ sub handler { \%form); my $switchto = '/adm/switchserver?otherserver='.$otherserver; if (($firsturl) && ($firsturl ne '/adm/switchserver') && ($firsturl ne '/adm/roles')) { - $switchto .= '&origurl='.$firsturl; + $switchto .= '&origurl='.$firsturl; #should escape } if ($form{'role'}) { $switchto .= '&role='.$form{'role'}; @@ -540,6 +705,15 @@ sub handler { if ($form{'symb'}) { $switchto .= '&symb='.$form{'symb'}; } + if ($form{'linkprot'}) { + $env{'request.linkprot'} = $form{'linkprot'}; + } elsif ($form{'firsturl'} =~ m{^/tiny/$match_domain/\w+$}) { + if ($form{'linkkey'}) { + $env{'request.linkkey'} = $form{'linkkey'}; + } + $env{'request.deeplink.login'} = $form{'firsturl'}; + + } $r->internal_redirect($switchto); } else { $r->print(&noswitch()); @@ -569,6 +743,14 @@ sub handler { if ($unloaded) { &success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect', undef,\%form); + if ($form{'linkprot'}) { + $env{'request.linkprot'} = $form{'linkprot'}; + } elsif ($form{'firsturl'} =~ m{^/tiny/$match_domain/\w+$}) { + if ($form{'linkkey'}) { + $env{'request.linkkey'} = $form{'linkkey'}; + } + $env{'request.deeplink.login'} = $form{'firsturl'}; + } $r->internal_redirect('/adm/switchserver?otherserver='.$unloaded.'&origurl='.$firsturl); return OK; } @@ -576,7 +758,23 @@ sub handler { if (($is_balancer) && ($hosthere)) { $form{'noloadbalance'} = $hosthere; } - &success($r,$form{'uname'},$form{'udom'},$authhost,$firsturl,undef, + my $extra_env; + if ($form{'linkprot'}) { + my ($linkprotector,$uri) = split(/:/,$form{'linkprot'},2); + if ($linkprotector) { + $extra_env = {'user.linkprotector' => $linkprotector, + 'user.linkproturi' => $uri,}; + } + } elsif ($form{'firsturl'} =~ m{^/tiny/$match_domain/\w+$}) { + if ($form{'linkkey'}) { + $extra_env = {'user.deeplinkkey' => $form{'linkkey'}, + 'user.keyedlinkuri' => $form{'firsturl'}, + 'request.deeplink.login' => $form{'firsturl'}}; + } else { + $extra_env = {'request.deeplink.login' => $form{'firsturl'}}; + } + } + &success($r,$form{'uname'},$form{'udom'},$authhost,$firsturl,$extra_env, \%form); return OK; } @@ -623,6 +821,7 @@ sub check_can_host { my $protocol = $Apache::lonnet::protocol{$login_host}; $protocol = 'http' if ($protocol ne 'https'); my $newurl = $protocol.'://'.$hostname.'/adm/createaccount'; +#FIXME Should preserve where user was going and linkprot by setting ltoken at $login_host $r->print(&Apache::loncommon::start_page('Create a user account in LON-CAPA'). '

'.&mt('Account creation').'

'. &mt('You do not currently have a LON-CAPA account at this institution.').'
'. @@ -639,6 +838,14 @@ sub check_can_host { } else { &success($r,$form->{'uname'},$udom,$authhost,'noredirect',undef, $form); + if ($form->{'linkprot'}) { + $env{'request.linkprot'} = $form->{'linkprot'}; + } elsif ($form->{'firsturl'} =~ m{^/tiny/$match_domain/\w+$}) { + if ($form->{'linkkey'}) { + $env{'request.linkkey'} = $form->{'linkkey'}; + } + $env{'request.deeplink.login'} = $form->{'firsturl'}; + } my ($otherserver) = &Apache::lonnet::choose_server($udom); $r->internal_redirect('/adm/switchserver?otherserver='.$otherserver); }