--- loncom/auth/lonauth.pm 2014/01/05 11:17:16 1.131
+++ loncom/auth/lonauth.pm 2021/11/24 20:15:15 1.171
@@ -1,647 +1,1092 @@
-# The LearningOnline Network
-# User Authentication Module
-#
-# $Id: lonauth.pm,v 1.131 2014/01/05 11:17:16 raeburn Exp $
-#
-# Copyright Michigan State University Board of Trustees
-#
-# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
-#
-# LON-CAPA is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or
-# (at your option) any later version.
-#
-# LON-CAPA is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with LON-CAPA; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-#
-# /home/httpd/html/adm/gpl.txt
-#
-# http://www.lon-capa.org/
-#
-
-package Apache::lonauth;
-
-use strict;
-use LONCAPA;
-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 Fcntl qw(:flock);
-use Apache::lonlocal;
-use Apache::File();
-use HTML::Entities;
-
-# ------------------------------------------------------------ Successful login
-sub success {
- my ($r, $username, $domain, $authhost, $lowerurl, $extra_env,
- $form) = @_;
-
-# ------------------------------------------------------------ Get cookie ready
- my $cookie =
- &Apache::loncommon::init_user_environment($r, $username, $domain,
- $authhost, $form,
- {'extra_env' => $extra_env,});
-
- my $public=($username eq 'public' && $domain eq 'public');
-
- if ($public or $lowerurl eq 'noredirect') { return $cookie; }
-
-# -------------------------------------------------------------------- Log this
-
- &Apache::lonnet::log($domain,$username,$authhost,
- "Login $ENV{'REMOTE_ADDR'}");
-
-# ------------------------------------------------- Check for critical messages
-
- my @what=&Apache::lonnet::dump('critical',$domain,$username);
- if ($what[0]) {
- if (($what[0] ne 'con_lost') && ($what[0]!~/^error\:/)) {
- $lowerurl='/adm/email?critical=display';
- }
- }
-
-# ------------------------------------------------------------ Get cookie ready
- $cookie="lonID=$cookie; path=/";
-# -------------------------------------------------------- Menu script and info
- my $destination = $lowerurl;
-
- if (defined($form->{role})) {
- my $envkey = 'user.role.'.$form->{role};
- my $now=time;
- my $then=$env{'user.login.time'};
- my $refresh=$env{'user.refresh.time'};
- my $update=$env{'user.update.time'};
- if (!$update) {
- $update = $then;
- }
- if (exists($env{$envkey})) {
- my ($role,$where,$trolecode,$tstart,$tend,$tremark,$tstatus);
- &Apache::lonnet::role_status($envkey,$update,$refresh,$now,\$role,\$where,
- \$trolecode,\$tstatus,\$tstart,\$tend);
- if ($tstatus eq 'is') {
- $destination .= ($destination =~ /\?/) ? '&' : '?';
- my $newrole = &HTML::Entities::encode($form->{role},'"<>&');
- $destination .= 'selectrole=1&'.$newrole.'=1';
- }
- }
- }
- if (defined($form->{symb})) {
- my $destsymb = $form->{symb};
- $destination .= ($destination =~ /\?/) ? '&' : '?';
- if ($destsymb =~ /___/) {
- # FIXME Need to deal with encrypted symbs and urls as needed.
- my ($map,$resid,$desturl)=split(/___/,$destsymb);
- unless ($desturl=~/^(adm|editupload|public)/) {
- $desturl = &Apache::lonnet::clutter($desturl);
- }
- $desturl = &HTML::Entities::encode($desturl,'"<>&');
- $destsymb = &HTML::Entities::encode($destsymb,'"<>&');
- $destination .= 'destinationurl='.$desturl.
- '&destsymb='.$destsymb;
- } else {
- $destsymb = &HTML::Entities::encode($destsymb,'"<>&');
- $destination .= 'destinationurl='.$destsymb;
- }
- }
- if ($destination =~ m{^/adm/roles}) {
- $destination .= ($destination =~ /\?/) ? '&' : '?';
- $destination .= 'source=login';
- }
-
- my $windowinfo = Apache::lonhtmlcommon::scripttag('self.name="loncapaclient";');
- my $header = '';
- my $brcrum = [{'href' => '',
- 'text' => 'Successful Login'},];
- my $start_page=&Apache::loncommon::start_page('Successful Login',
- $header,
- {'bread_crumbs' => $brcrum,});
- 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);
- $r->send_http_header;
-
- my %lt=&Apache::lonlocal::texthash(
- 'wel' => 'Welcome',
- 'pro' => 'Login problems?',
- );
- my $loginhelp = &loginhelpdisplay($domain);
- if ($loginhelp) {
- $loginhelp = '
'.
- &mt('This LON-CAPA server is unable to host your session.').' '.
- '
'.&mt('Currently no other LON-CAPA server is available to host your session either.').'
'.
- &Apache::loncommon::end_page();
- return $result;
-}
-
-sub loginhelpdisplay {
- my ($authdomain) = @_;
- my $login_help = 1;
- my $lang = &Apache::lonlocal::current_language();
- if ($login_help) {
- my $dom = $authdomain;
- if ($dom eq '') {
- $dom = &Apache::lonnet::default_login_domain();
- }
- my %domconfhash = &Apache::loncommon::get_domainconf($dom);
- my $loginhelp_url;
- if ($lang) {
- $loginhelp_url = $domconfhash{$dom.'.login.helpurl_'.$lang};
- if ($loginhelp_url ne '') {
- return $loginhelp_url;
- }
- }
- $loginhelp_url = $domconfhash{$dom.'.login.helpurl_nolang'};
- if ($loginhelp_url ne '') {
- return $loginhelp_url;
- } else {
- return '/adm/loginproblems.html';
- }
- }
- return;
-}
-
-1;
-__END__
-
-
+# The LearningOnline Network
+# User Authentication Module
+#
+# $Id: lonauth.pm,v 1.171 2021/11/24 20:15:15 raeburn Exp $
+#
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+#
+
+package Apache::lonauth;
+
+use strict;
+use LONCAPA qw(:DEFAULT :match);
+use Apache::Constants qw(:common);
+use CGI qw(:standard);
+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;
+use CGI::Cookie();
+
+# ------------------------------------------------------------ Successful login
+sub success {
+ my ($r, $username, $domain, $authhost, $lowerurl, $extra_env,
+ $form,$skipcritical,$cid,$expirepub) = @_;
+
+# ------------------------------------------------------------ Get cookie ready
+ my $cookie =
+ &Apache::loncommon::init_user_environment($r, $username, $domain,
+ $authhost, $form,
+ {'extra_env' => $extra_env,});
+
+ my $public=($username eq 'public' && $domain eq 'public');
+
+ if ($public or $lowerurl eq 'noredirect') { return $cookie; }
+
+# -------------------------------------------------------------------- Log this
+
+ my $ip = &Apache::lonnet::get_requestor_ip();
+ &Apache::lonnet::log($domain,$username,$authhost,
+ "Login $ip");
+
+# ------------------------------------------------- Check for critical messages
+
+ unless ($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);
+ 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';
+ 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' => $linkname});
+ }
+ }
+ } 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);
+ }
+ $r->send_http_header;
+ if (ref($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;
+ my $then=$env{'user.login.time'};
+ my $refresh=$env{'user.refresh.time'};
+ my $update=$env{'user.update.time'};
+ if (!$update) {
+ $update = $then;
+ }
+ if (exists($env{$envkey})) {
+ my ($role,$where,$trolecode,$tstart,$tend,$tremark,$tstatus);
+ &Apache::lonnet::role_status($envkey,$update,$refresh,$now,\$role,\$where,
+ \$trolecode,\$tstatus,\$tstart,\$tend);
+ if ($tstatus eq 'is') {
+ $destination .= ($destination =~ /\?/) ? '&' : '?';
+ my $newrole = &HTML::Entities::encode($form->{role},'"<>&');
+ $destination .= 'selectrole=1&'.$newrole.'=1';
+ }
+ }
+ }
+ 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 ($destsymb =~ /___/) {
+ my ($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='.$destsymb;
+ } elsif (!$encrypted) {
+ $destsymb = &HTML::Entities::encode($destsymb,'"<>&');
+ $destination .= 'destinationurl='.$destsymb;
+ }
+ }
+ if ($destination =~ m{^/adm/roles}) {
+ $destination .= ($destination =~ /\?/) ? '&' : '?';
+ $destination .= 'source=login';
+ }
+
+ if (($env{'request.deeplink.login'} eq $lowerurl) &&
+ (($env{'request.linkprot'}) || ($env{'request.linkkey'} ne ''))) {
+ my %info;
+ if ($env{'request.linkprot'}) {
+ $info{'linkprot'} = $env{'request.linkprot'};
+ } elsif ($env{'request.linkkey'} ne '') {
+ $info{'linkkey'} = $env{'request.linkkey'};
+ }
+ $info{'origurl'} = $lowerurl;
+ my $token = &Apache::lonnet::tmpput(\%info,$r->dir_config('lonHostID'),'link');
+ unless (($token eq 'con_lost') || ($token eq 'refused') ||
+ ($token eq 'unknown_cmd') || ($token eq 'no_such_host')) {
+ $destination .= (($destination =~ /\?/) ? '&' : '?') . 'ttoken='.$token;
+ }
+ }
+
+ 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' => $brcrum,};
+ unless ((defined($form->{role})) || (defined($form->{symb}))) {
+ my $update=$env{'user.update.time'};
+ if (!$update) {
+ $update = $env{'user.login.time'};
+ }
+ my %roles_in_env;
+ my $showcount = &Apache::lonroles::roles_from_env(\%roles_in_env,$update);
+ if ($showcount == 1) {
+ foreach my $rolecode (keys(%roles_in_env)) {
+ my ($cid) = ($rolecode =~ m{^\Quser.role.st./\E($match_domain/$match_courseid)(?:/|$)});
+ if ($cid) {
+ my %coursedescription =
+ &Apache::lonnet::coursedescription($cid,{'one_time' => '1'});
+ if ($coursedescription{'type'} eq 'Placement') {
+ $args->{'crstype'} = 'Placement';
+ }
+ last;
+ }
+ }
+ }
+ }
+
+# ------------------------------------------------- Output for successful login
+
+ &Apache::loncommon::content_type($r,'text/html');
+ if ($securecookie) {
+ $r->headers_out->add('Set-cookie' => $securecookie);
+ }
+ if ($defaultcookie) {
+ $r->headers_out->add('Set-cookie' => $defaultcookie);
+ }
+ if ($expirepub) {
+ my $c = new CGI::Cookie(-name => 'lonPubID',
+ -value => '',
+ -expires => '-10y',);
+ $r->headers_out->add('Set-cookie' => $c);
+ }
+ $r->send_http_header;
+
+ my ($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";
+
+
+
+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 .= '
';
+ }
+ }
+ $end_page = &Apache::loncommon::end_page();
+ $r->print(< 1};
+ }
+
+ my @actions;
+ my $start_page = &Apache::loncommon::start_page('Unsuccessful Login',undef,$args);
+ my $uname = &Apache::loncommon::cleanup_html($form->{'uname'});
+ my $udom = &Apache::loncommon::cleanup_html($form->{'udom'});
+ if (&Apache::lonnet::domain($udom,'description') eq '') {
+ undef($udom);
+ }
+ my $authtype;
+ if (($udom ne '') && ($uname ne '') && ($authhost eq 'no_host')) {
+ $authtype = &Apache::lonnet::queryauthenticate($uname,$udom);
+ }
+ my $retry = '/adm/login';
+ if (($uname eq $form->{'uname'}) && ($authtype !~ /^lti:/)) {
+ $retry .= '?username='.$uname;
+ }
+ if ($udom) {
+ $retry .= (($retry=~/\?/)?'&':'?').'domain='.$udom;
+ }
+ my $lonhost = $r->dir_config('lonHostID');
+ my $querystr;
+ my $result = &set_retry_token($form,$lonhost,\$querystr);
+ if ($result eq 'fail') {
+ if (exists($form->{role})) {
+ my $role = &Apache::loncommon::cleanup_html($form->{role});
+ if ($role ne '') {
+ $retry .= (($retry=~/\?/)?'&':'?').'role='.$role;
+ }
+ }
+ if (exists($form->{symb})) {
+ my $symb = &Apache::loncommon::cleanup_html($form->{symb});
+ if ($symb ne '') {
+ $retry .= (($retry=~/\?/)?'&':'?').'symb='.$symb;
+ }
+ }
+ if (exists($form->{firsturl})) {
+ my $firsturl = &Apache::loncommon::cleanup_html($form->{firsturl});
+ if ($firsturl ne '') {
+ $retry .= (($retry=~/\?/)?'&':'?').'firsturl='.$firsturl;
+ if ($form->{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'}},
+ $r->dir_config('lonHostID'),'retry');
+ if ($ltoken) {
+ $retry .= (($retry =~ /\?/) ? '&' : '?').'ltoken='.$ltoken;
+ }
+ }
+ } elsif ($querystr ne '') {
+ $retry .= (($retry=~/\?/)?'&':'?').$querystr;
+ }
+ my $end_page = &Apache::loncommon::end_page();
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+ if ($authtype =~ /^lti:/) {
+ $message = &mt('Direct login is not supported with the username you entered.').
+ '
'.
+ &mt('You likely need to launch LON-CAPA from within a course in a different Learning Management System.').
+ ' '.
+ &mt('You can also try to log in with a different username.');
+ @actions =
+ (&mt('Try your [_1]log in again[_2].','',''));
+ } else {
+ $message = &mt($message);
+ @actions =
+ (&mt('Please [_1]log in again[_2].','',''));
+ }
+ my $loginhelp = &loginhelpdisplay($udom);
+ if ($loginhelp) {
+ push(@actions, ''.&mt('Login problems?').'');
+ }
+ #FIXME: link to helpdesk might be added here
+ $r->print(
+ $start_page
+ .'