--- loncom/auth/lonacc.pm 2021/12/30 04:47:38 1.159.2.21.2.1 +++ loncom/auth/lonacc.pm 2023/08/28 18:58:45 1.209 @@ -1,7 +1,7 @@ # The LearningOnline Network # Cookie Based Access Handler # -# $Id: lonacc.pm,v 1.159.2.21.2.1 2021/12/30 04:47:38 raeburn Exp $ +# $Id: lonacc.pm,v 1.209 2023/08/28 18:58:45 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -160,7 +160,7 @@ sub get_posted_cgi { if (length($value) == 1) { $value=~s/[\r\n]$//; } - } + } if ($fname =~ /\.(xls|doc|ppt)(x|m)$/i) { $value=~s/[\r\n]$//; } @@ -204,6 +204,14 @@ sub get_posted_cgi { $fname=''; $fmime=''; } + if ($i<$#lines && $lines[$i+1]=~/^Content\-Type\:\s*([\w\-\/]+)/i) { + # TODO: something with $1 ! + $i++; + } + if ($i<$#lines && $lines[$i+1]=~/^Content\-transfer\-encoding\:\s*([\w\-\/]+)/i) { + # TODO: something with $1 ! + $i++; + } $i++; } } else { @@ -273,10 +281,18 @@ sub upload_size_allowed { be identified by the third arg ($usename), except when lonacc is called in an internal redirect to /adm/switchserver (e.g., load-balancing following successful authentication) -- no cookie set yet. For that particular case - simply skip the call to sso_login(). + simply skip the call to sso_login(). returns OK if it was SSO and user was handled. returns undef if not SSO or no means to handle the user. + + In the case where the session was started from /adm/launch/tiny/$domain/$id, + i.e., for a protected link, with launch from another CMS, and user information + is accepted from the LTI payload, then, if the user has privileged roles, + authentication will be required. If SSO authentication is with a username + and/or domain that differ from the username in the LTI payload and domain + in the launch URL, then $r->user() will be unset and /adm/relaunch will be + called. =cut @@ -298,9 +314,8 @@ sub sso_login { my $query = $r->args; my %form; if ($query) { - my @items = ('role','symb','iptoken','origurl','ttoken', - 'ltoken','linkkey','logtoken','sso'); + 'ltoken','linkkey','logtoken','sso','lcssowin'); &Apache::loncommon::get_unprocessed_cgi($query,\@items); foreach my $item (@items) { if (defined($env{'form.'.$item})) { @@ -318,7 +333,8 @@ sub sso_login { } } - my ($linkprot,$linkkey); + my ($linkprot,$linkprotuser,$linkprotexit,$linkkey,$deeplinkurl, + $linkprotpbid,$linkprotpburl); # # If Shibboleth auth is in use, and a dual SSO and non-SSO login page @@ -350,9 +366,16 @@ sub sso_login { &Apache::lonnet::tmpdel($form{'ttoken'}); if ($info{'origurl'}) { $form{'origurl'} = $info{'origurl'}; + if ($form{'origurl'} =~ m{^/tiny/$match_domain/\w+$}) { + $deeplinkurl = $form{'origurl'}; + } } if ($info{'linkprot'}) { $linkprot = $info{'linkprot'}; + $linkprotuser = $info{'linkprotuser'}; + $linkprotexit = $info{'linkprotexit'}; + $linkprotpbid = $info{'linkprotpbid'}; + $linkprotpburl = $info{'linkprotpburl'}; } elsif ($info{'linkkey'} ne '') { $linkkey = $info{'linkkey'}; } @@ -373,9 +396,16 @@ sub sso_login { } if ($firsturl =~ m{^/tiny/$match_domain/\w+$}) { $form{'origurl'} = $firsturl; + $deeplinkurl = $firsturl; + } elsif ($firsturl eq '/adm/email') { + $form{'origurl'} = $firsturl; } if ($form{'linkprot'}) { $linkprot = $form{'linkprot'}; + $linkprotuser = $form{'linkprotuser'}; + $linkprotexit = $form{'linkprotexit'}; + $linkprotpbid = $form{'linkprotpbid'}; + $linkprotpburl = $form{'linkprotpburl'}; } elsif ($form{'linkkey'} ne '') { $linkkey = $form{'linkkey'}; } @@ -393,6 +423,9 @@ sub sso_login { my ($firsturl,@rest)=split(/\&/,$info); if ($firsturl ne '') { $form{'origurl'} = &unescape($firsturl); + if ($form{'origurl'} =~ m{^/tiny/$match_domain/\w+$}) { + $deeplinkurl = $form{'origurl'}; + } } foreach my $item (@rest) { my ($key,$value) = split(/=/,$item); @@ -400,6 +433,10 @@ sub sso_login { } if ($form{'linkprot'}) { $linkprot = $form{'linkprot'}; + $linkprotuser = $form{'linkprotuser'}; + $linkprotexit = $form{'linkprotexit'}; + $linkprotpbid = $form{'linkprotpbid'}; + $linkprotpburl = $form{'linkprotpburl'}; } elsif ($form{'linkkey'} ne '') { $linkkey = $form{'linkkey'}; } @@ -407,8 +444,25 @@ sub sso_login { } elsif ($form{'ltoken'}) { my %link_info = &Apache::lonnet::tmpget($form{'ltoken'}); $linkprot = $link_info{'linkprot'}; + if ($linkprot) { + if ($link_info{'linkprotuser'} ne '') { + $linkprotuser = $link_info{'linkprotuser'}; + } + if ($link_info{'linkprotexit'} ne '') { + $linkprotexit = $link_info{'linkprotexit'}; + } + if ($link_info{'linkprotpbid'} ne '') { + $linkprotpbid = $link_info{'linkprotpbid'}; + } + if ($link_info{'linkprotpburl'} ne '') { + $linkprotpburl = $link_info{'linkprotpburl'}; + } + } my $delete = &Apache::lonnet::tmpdel($form{'ltoken'}); delete($form{'ltoken'}); + if ($form{'origurl'} =~ m{^/tiny/$match_domain/\w+$}) { + $deeplinkurl = $form{'origurl'}; + } } elsif ($form{'linkkey'} ne '') { $linkkey = $form{'linkkey'}; } @@ -417,6 +471,29 @@ sub sso_login { if ($domain eq '') { $domain = $r->dir_config('lonDefDomain'); } + if (($deeplinkurl) && ($linkprot) && ($linkprotuser ne '')) { + unless ($linkprotuser eq $user.':'.$domain) { + $r->user(); + my %data = ( + origurl => $deeplinkurl, + linkprot => $linkprot, + linkprotuser => $linkprotuser, + linkprotexit => $linkprotexit, + linkprotpbid => $linkprotpbid, + linkprotpburl => $linkprotpburl, + ); + if ($env{'form.lcssowin'}) { + $data{'lcssowin'} = $env{'form.lcssowin'}; + } + my $token = &Apache::lonnet::tmpput(\%data,$r->dir_config('lonHostID'),'link'); + unless (($token eq 'con_lost') || ($token eq 'refused') || ($token =~ /^error:/) || + ($token eq 'unknown_cmd') || ($token eq 'no_such_host')) { + $r->internal_redirect('/adm/relaunch?rtoken='.$token); + $r->set_handlers('PerlHandler'=> undef); + return OK; + } + } + } my $home=&Apache::lonnet::homeserver($user,$domain); if ($home !~ /(con_lost|no_host|no_such_host)/) { &Apache::lonnet::logthis(" SSO authorized user $user "); @@ -470,10 +547,28 @@ sub sso_login { if ($env{'request.deeplink.login'}) { if ($linkprot) { $env{'request.linkprot'} = $linkprot; + if ($linkprotuser ne '') { + $env{'request.linkprotuser'} = $linkprotuser; + } + if ($linkprotexit ne '') { + $env{'request.linkprotexit'} = $linkprotexit; + } + if ($linkprotpbid ne '') { + $env{'request.linkprotpbid'} = $linkprotpbid; + } + if ($linkprotpburl ne '') { + $env{'request.linkprotpburl'} = $linkprotpburl; + } } elsif ($linkkey ne '') { $env{'request.linkkey'} = $linkkey; } } + if (($r->uri eq '/adm/sso') && ($form{'origurl'} eq '/adm/email')) { + if ($form{'display'} && ($env{'form.mailrecip'} eq $user.':'.$domain)) { + $env{'request.display'} = $form{'display'}; + $env{'request.mailrecip'} = $env{'form.mailrecip'}; + } + } $env{'request.sso.login'} = 1; if (defined($r->dir_config("lonSSOReloginServer"))) { $env{'request.sso.reloginserver'} = @@ -483,19 +578,22 @@ sub sso_login { if ($otherserver ne '') { $redirecturl .= '?otherserver='.$otherserver; } + if ($form{'lcssowin'}) { + $redirecturl .= (($redirecturl=~/\?/)?'&':'?') . 'lcssowin=1'; + } $r->internal_redirect($redirecturl); $r->set_handlers('PerlHandler'=> undef); } else { # need to login them in, so generate the need data that # migrate expects to do login - my $ip = &Apache::lonnet::get_requestor_ip($r); + my $ip = &Apache::lonnet::get_requestor_ip($r); my %info=('ip' => $ip, 'domain' => $domain, 'username' => $user, 'server' => $r->dir_config('lonHostID'), 'sso.login' => 1 ); - foreach my $item ('role','symb','iptoken','origurl') { + foreach my $item ('role','symb','iptoken','origurl','lcssowin') { if (exists($form{$item})) { $info{$item} = $form{$item}; } elsif ($sessiondata{$item} ne '') { @@ -515,10 +613,28 @@ sub sso_login { if ($info{'deeplink.login'}) { if ($linkprot) { $info{'linkprot'} = $linkprot; + if ($linkprotuser ne '') { + $info{'linkprotuser'} = $linkprotuser; + } + if ($linkprotexit ne '') { + $info{'linkprotexit'} = $linkprotexit; + } + if ($linkprotpbid ne '') { + $info{'linkprotpbid'} = $linkprotpbid; + } + if ($linkprotpburl ne '') { + $info{'linkprotpburl'} = $linkprotpburl; + } } elsif ($linkkey ne '') { $info{'linkkey'} = $linkkey; } } + if (($r->uri eq '/adm/sso') && ($form{'origurl'} eq '/adm/email')) { + if ($form{'display'} && ($form{'mailrecip'} eq $user.':'.$domain)) { + $info{'display'} = &escape($form{'display'}); + $info{'mailrecip'} = &escape($form{'mailrecip'}); + } + } if ($r->dir_config("ssodirecturl") == 1) { $info{'origurl'} = $r->uri; } @@ -529,9 +645,7 @@ sub sso_login { if (($is_balancer) && ($hosthere)) { $info{'noloadbalance'} = $hosthere; } - my $token = - &Apache::lonnet::tmpput(\%info, - $r->dir_config('lonHostID')); + my $token = &Apache::lonnet::tmpput(\%info,$r->dir_config('lonHostID'),'sso'); $env{'form.token'} = $token; $r->internal_redirect('/adm/migrateuser'); $r->set_handlers('PerlHandler'=> undef); @@ -557,7 +671,7 @@ sub sso_login { $r->subprocess_env->set('SSOUserDomain' => $domain); if (grep(/^sso$/,@cancreate)) { #FIXME - need to preserve origurl, role and symb, or linkprot or linkkey for use after account -# creation +# creation. If lcssowin is 1, createaccount needs to close pop-up and display in main window. $r->set_handlers('PerlHandler'=> [\&Apache::createaccount::handler]); $r->handler('perl-script'); } else { @@ -655,7 +769,8 @@ sub handler { } } elsif ($env{'request.course.id'} && (($requrl =~ m{^/adm/$match_domain/$match_username/aboutme$}) || - ($requrl =~ m{^/public/$cdom/$cnum/syllabus$}))) { + ($requrl eq "/public/$cdom/$cnum/syllabus") || + ($requrl =~ m{^/adm/$cdom/$cnum/\d+/ext\.tool$}))) { my $query = $r->args; if ($query) { foreach my $pair (split(/&/,$query)) { @@ -677,6 +792,7 @@ sub handler { my $lonhost = &Apache::lonnet::host_from_dns($hostname); if ($lonhost) { my $actual = &Apache::lonnet::absolute_url($hostname,1,1); + my $exphostname = &Apache::lonnet::hostname($lonhost); my $expected = $Apache::lonnet::protocol{$lonhost}.'://'.$hostname; unless ($actual eq $expected) { $env{'request.use_absolute'} = $expected; @@ -722,11 +838,68 @@ sub handler { } } if ($requrl=~m{^/+tiny/+$match_domain/+\w+$}) { + if ($r->args) { + &Apache::loncommon::get_unprocessed_cgi($r->args,['ttoken']); + if (defined($env{'form.ttoken'})) { + my %info = &Apache::lonnet::tmpget($env{'form.ttoken'}); + if (($info{'origurl'} ne '') && ($info{'origurl'} eq $requrl)) { + my %data; + if (($info{'linkprotuser'} ne '') && ($info{'linkprot'}) && + ($info{'linkprotuser'} ne $env{'user.name'}.':'.$env{'user.domain'})) { + %data = ( + origurl => $requrl, + linkprot => $info{'linkprot'}, + linkprotuser => $info{'linkprotuser'}, + linkprotexit => $info{'linkprotexit'}, + linkprotpbid => $info{'linkprotpbid'}, + linkprotpburl => $info{'linkprotpburl'}, + ); + } elsif ($info{'ltoken'} ne '') { + my %ltoken_info = &Apache::lonnet::tmpget($info{'ltoken'}); + if (($ltoken_info{'linkprotuser'} ne '') && ($ltoken_info{'linkprot'}) && + ($ltoken_info{'linkprotuser'} ne $env{'user.name'}.':'.$env{'user.domain'})) { + %data = ( + origurl => $requrl, + linkprot => $ltoken_info{'linkprot'}, + linkprotuser => $ltoken_info{'linkprotuser'}, + linkprotexit => $ltoken_info{'linkprotexit'}, + linkprotpbid => $ltoken_info{'linkprotpbid'}, + linkprotpburl => $ltoken_info{'linkprotpburl'}, + ); + } + } + if (keys(%data)) { + my $delete = &Apache::lonnet::tmpdel($env{'form.ttoken'}); + if ($info{'ltoken'} ne '') { + my $delete = &Apache::lonnet::tmpdel($info{'ltoken'}); + } + my $token = + &Apache::lonnet::tmpput(\%data,$r->dir_config('lonHostID'),'retry'); + unless (($token eq 'con_lost') || ($token eq 'refused') || ($token =~ /^error:/) || + ($token eq 'unknown_cmd') || ($token eq 'no_such_host')) { + $r->internal_redirect('/adm/relaunch?rtoken='.$token); + $r->set_handlers('PerlHandler'=> undef); + return OK; + } + } + } + } + } if ($env{'user.name'} eq 'public' && $env{'user.domain'} eq 'public') { $env{'request.firsturl'}=$requrl; return FORBIDDEN; - } else { + } + return OK; + } elsif (($env{'request.course.id'}) && + (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) && + ($requrl=~m{^(/daxeopen|)(/uploaded/$cdom/$cnum/(?:docs|supplemental)/(?:default|\d+)/\d+/)([^/]+|)$})) { + my ($daxe,$path,$file) = ($1,$2,$3); + my $referrer; + unless ($daxe) { + $referrer = $r->headers_in->{'Referer'}; + } + if (($daxe) || ($referrer =~ m{\Qfile=/daxeopen$path\E})) { return OK; } } @@ -802,12 +975,16 @@ sub handler { } } else { my $nodeeplinkcheck; - if (($check_access) && ($requrl =~ /\.(sequence|page)$/)) { - unless ($env{'form.navmap'}) { - if ($r->args ne '') { - &Apache::loncommon::get_unprocessed_cgi($r->args,['navmap']); - unless ($env{'form.navmap'}) { - $nodeeplinkcheck = 1; + if ($check_access) { + if ($requrl =~ m{^/daxeopen/priv/}) { + $nodeeplinkcheck = 1; + } elsif ($requrl =~ /\.(sequence|page)$/) { + unless ($env{'form.navmap'}) { + if ($r->args ne '') { + &Apache::loncommon::get_unprocessed_cgi($r->args,['navmap']); + unless ($env{'form.navmap'}) { + $nodeeplinkcheck = 1; + } } } } @@ -826,7 +1003,7 @@ sub handler { &Apache::blockedaccess::setup_handler($r); return OK; } - } elsif ($check_access) { + } elsif ($check_access) { if ($handle eq '') { unless ($access eq 'F') { if ($requrl =~ m{^/res/$match_domain/$match_username/}) { @@ -1026,8 +1203,8 @@ sub handler { my $mapsymb = &Apache::lonnet::symbread($map); ($map,$mid,$murl)=&Apache::lonnet::decode_symb($mapsymb); } - &Apache::lonnet::symblist($map,$murl =>[$murl,$mid], - 'last_known' =>[$murl,$mid]); + &Apache::lonnet::symblist($map,$murl =>[$murl,$mid], + 'last_known' =>[$murl,$mid]); } } } @@ -1080,7 +1257,7 @@ sub handler { # ------------------------------------ See if this is a viewable portfolio file if (&Apache::lonnet::is_portfolio_url($requrl)) { my $clientip = &Apache::lonnet::get_requestor_ip($r); - my $access=&Apache::lonnet::allowed('bre',$requrl,undef,undef,$clientip); + my $access=&Apache::lonnet::allowed('bre',$requrl,undef,undef,$clientip); if ($access eq 'A') { &Apache::restrictedaccess::setup_handler($r); return OK;