$lt{'wel'}
-$welcome
-$loginhelp
-$remoteinfo
-$maincall
-$continuelink
-$end_page
-ENDSUCCESS
- }
- return;
-}
-
-# --------------------------------------------------------------- Failed login!
-
-sub failed {
- my ($r,$message,$form,$authhost) = @_;
- (undef,undef,undef,my $clientmathml,my $clientunicode) =
- &Apache::loncommon::decode_user_agent();
- my $args = {};
- if ($clientunicode && !$clientmathml) {
- $args = {'browser.unicode' => 1};
- }
- if ($form->{firsturl} =~ m{^/tiny/$match_domain/\w+$}) {
- if ($form->{linkprot}) {
- $args->{only_body} = 1;
- }
- }
-
- 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 $retry = '/adm/login';
- if ($uname eq $form->{'uname'}) {
- $retry .= '?username='.$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 %info = (
- 'linkprot' => $form->{'linkprot'},
- );
- foreach my $item ('linkprotuser','linkprotexit') {
- if ($form->{$item} ne '') {
- $info{$item} = $form->{$item};
- }
- }
- my $ltoken = &Apache::lonnet::tmpput(\%info,
- $r->dir_config('lonHostID'),'retry');
- if ($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;
- my @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(
- $start_page
- .''.&mt('Sorry ...').' '
- .&Apache::lonhtmlcommon::confirm_success(&mt($message),1).''.&mt('Sorry ...').' '.&mt('You are already logged in!').'
'
- .''.&mt('Please [_1]log out[_2] first, and then try your access again',
- '',' ')
- .'
'
- .$end_page);
- } else {
- if (($info{'linkprot'}) || ($info{'linkkey'} ne '')) {
- if (($info{'linkprot'}) && ($info{'linkprotuser'} ne '')) {
- unless ($info{'linkprotuser'} eq $env{'user.name'}.':'.$env{'user.domain'}) {
- $r->print(
- $start_page
- .''.&mt('You are already logged in, but as a different user from the one expected for the link you followed from another system').'
'
- .''.&mt('Please [_1]log out[_2] first, and then try following the link again from the other system',
- '',' ')
-
- .'
'
- .$end_page);
- return OK;
- }
- }
- 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')) {
- $dest .= (($dest =~ /\?/) ? '&' : '?') . 'ttoken='.$token;
- }
- }
- $r->print(
- $start_page
- .''.&mt('You are already logged in!').'
'
- .''.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4] first, and then try your access again',
- '',' ',
- '',' ')
- .'
'
- .$end_page);
- }
- return OK;
- }
- }
- }
- }
- $r->print(
- $start_page
- .''.&mt('You are already logged in!').'
'
- .''.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].'
- ,'',' ','',' ')
- .'
'
- .$end_page
- );
- return OK;
- }
- }
-
-# ---------------------------------------------------- No valid token, continue
-
- my %form = &get_form_items($r);
- if ((!$form{'uname'}) || (!$form{'upass0'}) || (!$form{'udom'})) {
- &failed($r,'Username, password and domain need to be specified.',
- \%form);
- return OK;
- }
-
-# split user logging in and "su"-user
-
- ($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'});
- $form{'sudom'} = &LONCAPA::clean_domain($form{'sudom'});
-
- my $role = $r->dir_config('lonRole');
- my $domain = $r->dir_config('lonDefDomain');
- my $prodir = $r->dir_config('lonUsersDir');
- my $contact_name = &mt('LON-CAPA helpdesk');
-
-# ---------------------------------------- Get the information from login token
-
- my $tmpinfo=Apache::lonnet::reply('tmpget:'.$form{'logtoken'},
- $form{'serverid'});
-
- if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost') ||
- ($tmpinfo eq 'no_such_host')) {
- &failed($r,'Information needed to verify your login information is missing, inaccessible or expired.',\%form);
- return OK;
- } else {
- my $reply = &Apache::lonnet::reply('tmpdel:'.$form{'logtoken'},
- $form{'serverid'});
- if ( $reply ne 'ok' ) {
- &failed($r,'Session could not be opened.',\%form);
- &Apache::lonnet::logthis("ERROR got a reply of $reply when trying to contact ". $form{'serverid'}." to get login token");
- return OK;
- }
- }
-
- if (!&Apache::lonnet::domain($form{'udom'})) {
- &failed($r,'The domain you provided is not a valid LON-CAPA domain.',\%form);
- return OK;
- }
-
- my ($des_key,$firsturl,@rest)=split(/&/,$tmpinfo);
- $firsturl = &unescape($firsturl);
- foreach my $item (@rest) {
- my ($key,$value) = split(/=/,$item);
- $form{$key} = &unescape($value);
- }
- if ($firsturl =~ m{^/tiny/$match_domain/\w+$}) {
- $form{'firsturl'} = $firsturl;
- }
- my $upass = &Apache::loncommon::des_decrypt($des_key,$form{'upass0'});
-
-# ---------------------------------------------------------------- Authenticate
-
- my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$form{'udom'});
- my ($cancreate,$statustocreate) =
- &Apache::createaccount::get_creation_controls($form{'udom'},$domconfig{'usercreation'});
- my $defaultauth;
- if (ref($cancreate) eq 'ARRAY') {
- if (grep(/^login$/,@{$cancreate})) {
- $defaultauth = 1;
- }
- }
- my $clientcancheckhost = 1;
- my $authhost=Apache::lonnet::authenticate($form{'uname'},$upass,
- $form{'udom'},$defaultauth,
- $clientcancheckhost);
-
-# --------------------------------------------------------------------- Failed?
-
- if ($authhost eq 'no_host') {
- my $pwdverify;
- if (&Apache::lonnet::homeserver($form{'uname'},$form{'udom'}) eq 'no_host') {
- my %possunames = &alternate_unames_check($form{'uname'},$form{'udom'});
- if (keys(%possunames) > 0) {
- foreach my $rulematch (keys(%possunames)) {
- my $possuname = $possunames{$rulematch};
- if (($possuname ne '') && ($possuname =~ /^$match_username$/)) {
- $authhost=Apache::lonnet::authenticate($possuname,$upass,
- $form{'udom'},undef,
- $clientcancheckhost);
- if (($authhost eq 'no_host') || ($authhost eq 'no_account_on_host')) {
- next;
- } elsif (($authhost ne '') && (&Apache::lonnet::hostname($authhost) ne '')) {
- $pwdverify = 1;
- &Apache::lonnet::logthis("Authenticated user: $possuname was submitted as: $form{'uname'}");
- $form{'uname'} = $possuname;
- last;
- }
- }
- }
- }
- }
- unless ($pwdverify) {
- &failed($r,'Username and/or password could not be authenticated.',
- \%form);
- return OK;
- }
- } elsif ($authhost eq 'no_account_on_host') {
- if ($defaultauth) {
- my $domdesc = &Apache::lonnet::domain($form{'udom'},'description');
- unless (&check_can_host($r,\%form,'no_account_on_host',$domdesc)) {
- return OK;
- }
- my $start_page =
- &Apache::loncommon::start_page('Create a user account in LON-CAPA',
- '',{'no_inline_link' => 1,});
- my $lonhost = $r->dir_config('lonHostID');
- my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
- my $contacts =
- &Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
- $form{'udom'},$origmail);
- my ($contact_email) = split(',',$contacts);
- my $output =
- &Apache::createaccount::username_check($form{'uname'},$form{'udom'},
- $domdesc,'',$lonhost,
- $contact_email,$contact_name,
- undef,$statustocreate);
- &Apache::loncommon::content_type($r,'text/html');
- $r->send_http_header;
- &Apache::createaccount::print_header($r,$start_page);
- $r->print(''.&mt('Account creation').' '.
- &mt('Although your username and password were authenticated, you do not currently have a LON-CAPA account at this institution.').''.&mt('Account creation').' '.
- &mt('You do not currently have a LON-CAPA account at this institution.').''.&mt('You will be able to create one by logging into a LON-CAPA server within the [_1] domain.',$domdesc).'
'.
- ''.&mt('[_1]Log in[_2]','',' ').
- &Apache::loncommon::end_page());
- } else {
- $r->print(&Apache::loncommon::start_page('Access to LON-CAPA unavailable').
- '
'.&mt('Account creation unavailable').' '.
- &mt('You do not currently have a LON-CAPA account at this institution.').''.&mt('Currently a LON-CAPA server is not available within the [_1] domain for you to log-in to, to create an account.',$domdesc).'
'.
- &Apache::loncommon::end_page());
- }
- } else {
- &success($r,$form->{'uname'},$udom,$authhost,'noredirect',undef,
- $form);
- if ($form->{'firsturl'} =~ m{^/tiny/$match_domain/\w+$}) {
- $env{'request.deeplink.login'} = $form->{'firsturl'};
- }
- if ($form->{'linkprot'}) {
- $env{'request.linkprot'} = $form->{'linkprot'};
- } elsif ($form->{'linkkey'} ne '') {
- $env{'request.linkkey'} = $form->{'linkkey'};
- }
- my ($otherserver) = &Apache::lonnet::choose_server($udom);
- $r->internal_redirect('/adm/switchserver?otherserver='.$otherserver);
- }
- }
- return $canhost;
-}
-
-sub noswitch {
- my $result = &Apache::loncommon::start_page('Access to LON-CAPA unavailable').
- ''.&mt('Session unavailable').' '.
- &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 $loginhelp_url;
- } else {
- return '/adm/loginproblems.html';
- }
- }
- return;
-}
-
-sub alternate_unames_check {
- my ($uname,$udom) = @_;
- my %possunames;
- my %domdefs = &Apache::lonnet::get_domain_defaults($udom);
- if (ref($domdefs{'unamemap_rule'}) eq 'ARRAY') {
- if (@{$domdefs{'unamemap_rule'}} > 0) {
- %possunames =
- &Apache::lonnet::inst_rulecheck($udom,$uname,undef,
- 'unamemap',$domdefs{'unamemap_rule'});
- }
- }
- return %possunames;
-}
-
-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 = ''
+ .&mt('Use of LON-CAPA requires Javascript to be enabled in your web browser.')
+ .' $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(< 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.').
+ '',' '));
+ } 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(
+ $start_page
+ .''.&mt('Sorry ...').' '
+ .&Apache::lonhtmlcommon::confirm_success($message,1).''.&mt('Sorry ...').' '.&mt('You are already logged in!').'
'
+ .''.&mt('Please [_1]log out[_2] first, and then try your access again',
+ '',' ')
+ .'
'
+ .$end_page);
+ } else {
+ if (($info{'linkprot'}) || ($info{'linkkey'} ne '')) {
+ 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')) {
+ $dest .= (($dest =~ /\?/) ? '&' : '?') . 'ttoken='.$token;
+ }
+ }
+ $r->print(
+ $start_page
+ .''.&mt('You are already logged in!').'
'
+ .''.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4] first, and then try your access again',
+ '',' ',
+ '',' ')
+ .'
'
+ .$end_page);
+ }
+ return OK;
+ }
+ }
+ }
+ }
+ $r->print(
+ $start_page
+ .''.&mt('You are already logged in!').'
'
+ .''.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].'
+ ,'',' ','',' ')
+ .'
'
+ .$end_page
+ );
+ return OK;
+ }
+ }
+
+# ---------------------------------------------------- No valid token, continue
+
+ my %form = &get_form_items($r);
+ if ((!$form{'uname'}) || (!$form{'upass0'}) || (!$form{'udom'})) {
+ &failed($r,'Username, password and domain need to be specified.',
+ \%form);
+ return OK;
+ }
+
+# split user logging in and "su"-user
+
+ ($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'});
+ $form{'sudom'} = &LONCAPA::clean_domain($form{'sudom'});
+
+ my $role = $r->dir_config('lonRole');
+ my $domain = $r->dir_config('lonDefDomain');
+ my $prodir = $r->dir_config('lonUsersDir');
+ my $contact_name = &mt('LON-CAPA helpdesk');
+
+# ---------------------------------------- Get the information from login token
+
+ my $tmpinfo=Apache::lonnet::reply('tmpget:'.$form{'logtoken'},
+ $form{'serverid'});
+
+ if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost') ||
+ ($tmpinfo eq 'no_such_host')) {
+ &failed($r,'Information needed to verify your login information is missing, inaccessible or expired.',\%form);
+ return OK;
+ } else {
+ my $reply = &Apache::lonnet::reply('tmpdel:'.$form{'logtoken'},
+ $form{'serverid'});
+ if ( $reply ne 'ok' ) {
+ &failed($r,'Session could not be opened.',\%form);
+ &Apache::lonnet::logthis("ERROR got a reply of $reply when trying to contact ". $form{'serverid'}." to get login token");
+ return OK;
+ }
+ }
+
+ if (!&Apache::lonnet::domain($form{'udom'})) {
+ &failed($r,'The domain you provided is not a valid LON-CAPA domain.',\%form);
+ return OK;
+ }
+
+ my ($des_key,$firsturl,@rest)=split(/&/,$tmpinfo);
+ $firsturl = &unescape($firsturl);
+ foreach my $item (@rest) {
+ my ($key,$value) = split(/=/,$item);
+ $form{$key} = &unescape($value);
+ }
+ if ($firsturl =~ m{^/tiny/$match_domain/\w+$}) {
+ $form{'firsturl'} = $firsturl;
+ }
+ my $upass = $ENV{HTTPS} ? $form{'upass0'}
+ : &Apache::loncommon::des_decrypt($des_key,$form{'upass0'});
+
+# ---------------------------------------------------------------- Authenticate
+
+ my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$form{'udom'});
+ my ($cancreate,$statustocreate) =
+ &Apache::createaccount::get_creation_controls($form{'udom'},$domconfig{'usercreation'});
+ my $defaultauth;
+ if (ref($cancreate) eq 'ARRAY') {
+ if (grep(/^login$/,@{$cancreate})) {
+ $defaultauth = 1;
+ }
+ }
+ my $clientcancheckhost = 1;
+ my $authhost=Apache::lonnet::authenticate($form{'uname'},$upass,
+ $form{'udom'},$defaultauth,
+ $clientcancheckhost);
+
+# --------------------------------------------------------------------- Failed?
+
+ if ($authhost eq 'no_host') {
+ &failed($r,'Username and/or password could not be authenticated.',
+ \%form,$authhost);
+ return OK;
+ } elsif ($authhost eq 'no_account_on_host') {
+ if ($defaultauth) {
+ my $domdesc = &Apache::lonnet::domain($form{'udom'},'description');
+ unless (&check_can_host($r,\%form,'no_account_on_host',$domdesc)) {
+ return OK;
+ }
+ my $start_page =
+ &Apache::loncommon::start_page('Create a user account in LON-CAPA',
+ '',{'no_inline_link' => 1,});
+ my $lonhost = $r->dir_config('lonHostID');
+ my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'};
+ my $contacts =
+ &Apache::loncommon::build_recipient_list(undef,'helpdeskmail',
+ $form{'udom'},$origmail);
+ my ($contact_email) = split(',',$contacts);
+ my $output =
+ &Apache::createaccount::username_check($form{'uname'},$form{'udom'},
+ $domdesc,'',$lonhost,
+ $contact_email,$contact_name,
+ undef,$statustocreate);
+ &Apache::loncommon::content_type($r,'text/html');
+ $r->send_http_header;
+ &Apache::createaccount::print_header($r,$start_page);
+ $r->print(''.&mt('Account creation').' '.
+ &mt('Although your username and password were authenticated, you do not currently have a LON-CAPA account at this institution.').''.&mt('Account creation').' '.
+ &mt('You do not currently have a LON-CAPA account at this institution.').''.&mt('You will be able to create one by logging into a LON-CAPA server within the [_1] domain.',$domdesc).'
'.
+ ''.&mt('[_1]Log in[_2]','',' ').
+ &Apache::loncommon::end_page());
+ } else {
+ $r->print(&Apache::loncommon::start_page('Access to LON-CAPA unavailable').
+ '
'.&mt('Account creation unavailable').' '.
+ &mt('You do not currently have a LON-CAPA account at this institution.').''.&mt('Currently a LON-CAPA server is not available within the [_1] domain for you to log-in to, to create an account.',$domdesc).'
'.
+ &Apache::loncommon::end_page());
+ }
+ } else {
+ &success($r,$form->{'uname'},$udom,$authhost,'noredirect',undef,
+ $form);
+ if ($form->{'firsturl'} =~ m{^/tiny/$match_domain/\w+$}) {
+ $env{'request.deeplink.login'} = $form->{'firsturl'};
+ }
+ if ($form->{'linkprot'}) {
+ $env{'request.linkprot'} = $form->{'linkprot'};
+ } elsif ($form->{'linkkey'} ne '') {
+ $env{'request.linkkey'} = $form->{'linkkey'};
+ }
+ my ($otherserver) = &Apache::lonnet::choose_server($udom);
+ $r->internal_redirect('/adm/switchserver?otherserver='.$otherserver);
+ }
+ }
+ return $canhost;
+}
+
+sub noswitch {
+ my $result = &Apache::loncommon::start_page('Access to LON-CAPA unavailable').
+ ''.&mt('Session unavailable').' '.
+ &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__
+
+