--- loncom/auth/lonauth.pm 2016/12/05 00:51:43 1.141 +++ loncom/auth/lonauth.pm 2018/04/21 21:29:31 1.151 @@ -1,7 +1,7 @@ # The LearningOnline Network # User Authentication Module # -# $Id: lonauth.pm,v 1.141 2016/12/05 00:51:43 raeburn Exp $ +# $Id: lonauth.pm,v 1.151 2018/04/21 21:29:31 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -32,21 +32,21 @@ use strict; use LONCAPA qw(:DEFAULT :match); use Apache::Constants qw(:common); use CGI qw(:standard); -use DynaLoader; # for Crypt::DES version -use Crypt::DES; 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(); use HTML::Entities; +use Digest::MD5; # ------------------------------------------------------------ Successful login sub success { my ($r, $username, $domain, $authhost, $lowerurl, $extra_env, - $form) = @_; + $form,$skipcritical) = @_; # ------------------------------------------------------------ Get cookie ready my $cookie = @@ -65,18 +65,60 @@ sub success { # ------------------------------------------------- Check for critical messages - my @what=&Apache::lonnet::dump('critical',$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 cookie ready - $cookie="lonID=$cookie; path=/"; +# ----------------------------------------------------------- Get cookies ready + my ($securecookie,$defaultcookie); + if ($ENV{'SERVER_PORT'} == 443) { + $securecookie="lonID=$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'; + if (-e "$lonidsdir/$linkname.id") { + unlink("$lonidsdir/$linkname.id"); + } + my $made_symlink = eval { symlink("$lonidsdir/$cookie.id", + "$lonidsdir/$linkname.id"); 1 }; + if ($made_symlink) { + $defaultcookie = "lonLinkID=$linkname; path=/; HttpOnly;"; + &Apache::lonnet::appenv({'user.linkedenv' => "$lonidsdir/$linkname.id"}); + } + } + } else { + $defaultcookie = "lonID=$cookie; path=/; HttpOnly;"; + } # -------------------------------------------------------- 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); + } + $r->send_http_header; + &Apache::ltiauth::lti_reqcrs($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; @@ -118,7 +160,11 @@ sub success { $destination .= 'source=login'; } - my $windowinfo = Apache::lonhtmlcommon::scripttag('self.name="loncapaclient";'); + my $windowname = 'loncapaclient'; + if ($env{'request.lti.login'}) { + $windowname .= 'lti'; + } + my $windowinfo = Apache::lonhtmlcommon::scripttag('self.name="'.$windowname.'";'); my $header = ''; my $brcrum = [{'href' => '', 'text' => 'Successful Login'},]; @@ -144,33 +190,47 @@ 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'); - $r->header_out('Set-cookie' => $cookie); + if ($securecookie) { + $r->headers_out->add('Set-cookie' => $securecookie); + } + if ($defaultcookie) { + $r->headers_out->add('Set-cookie' => $defaultcookie); + } $r->send_http_header; - my %lt=&Apache::lonlocal::texthash( - 'wel' => 'Welcome', - 'pro' => 'Login problems?', - ); - my $loginhelp = &loginhelpdisplay($domain); - if ($loginhelp) { - $loginhelp = '

'.$lt{'pro'}.'

'; + my $start_page; + if ($env{'request.lti.login'}) { + $args = {'only_body' => 1,}; + $start_page=&Apache::loncommon::start_page('',$header,$args); + } else { + $start_page=&Apache::loncommon::start_page('Successful Login', + $header,$args); } + my $end_page =&Apache::loncommon::end_page(); + + my $continuelink=''.&mt('Continue').''; - my $welcome = &mt('Welcome to the Learning[_1]Online[_2] Network with CAPA. Please wait while your session is being set up.','',''); + my $pagebody; + unless ($env{'request.lti.login'}) { + 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'}.'

'; + } + } $r->print(<$lt{'wel'} -$welcome -$loginhelp +$pagebody $continuelink $end_page ENDSUCCESS @@ -312,10 +372,11 @@ sub handler { # split user logging in and "su"-user - ($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'); @@ -384,7 +445,7 @@ sub handler { my $authhost=Apache::lonnet::authenticate($form{'uname'},$upass, $form{'udom'},$defaultauth, $clientcancheckhost); - + # --------------------------------------------------------------------- Failed? if ($authhost eq 'no_host') { @@ -440,20 +501,68 @@ 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 {