'.&mt($message).'
' - .''.&mt('Please [_1]log in again[_2].' - ,"{'uname'}&domain=$form->{'udom'}\">",'') - .'
' - .'' - .$end_page - ); - } - -# ------------------------------------------------------------------ Rerouting! - -sub reroute { - my ($r) = @_; - &Apache::loncommon::content_type($r,'text/html'); - $r->send_http_header; - my $msg=''.&mt('Please either [_1]continue the current session[_2] or [_3]logout[_4].' - ,'','','','') - .'
' - .'' - .$end_page - ); - return OK; - } - -# ---------------------------------------------------- No valid token, continue - - - my $buffer; - if ($r->header_in('Content-length') > 0) { - $r->read($buffer,$r->header_in('Content-length'),0); - } - my %form; - foreach my $pair (split(/&/,$buffer)) { - my ($name,$value) = split(/=/,$pair); - $value =~ tr/+/ /; - $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; - $form{$name}=$value; - } - - if ((!$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'},$form{'suname'})=split(/\:/,$form{'uname'}); - $form{'uname'} = &LONCAPA::clean_username($form{'uname'}); - $form{'suname'}= &LONCAPA::clean_username($form{'suname'}); - $form{'udom'} = &LONCAPA::clean_domain( $form{'udom'}); - - my $role = $r->dir_config('lonRole'); - my $domain = $r->dir_config('lonDefDomain'); - my $prodir = $r->dir_config('lonUsersDir'); - -# ---------------------------------------- Get the information from login token - - my $tmpinfo=Apache::lonnet::reply('tmpget:'.$form{'logtoken'}, - $form{'serverid'}); - - if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) { - &failed($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 ". $form{'serverid'}." to get login token"); - return OK; - } - } - my ($key,$firsturl)=split(/&/,$tmpinfo); - - my $keybin=pack("H16",$key); - - my $cipher; - if ($Crypt::DES::VERSION>=2.03) { - $cipher=new Crypt::DES $keybin; - } - else { - $cipher=new DES $keybin; - } - my $upass=''; - for (my $i=0;$i<=2;$i++) { - my $chunk= - $cipher->decrypt(unpack("a8",pack("H16",substr($form{'upass'.$i},0,16)))); - - $chunk.= - $cipher->decrypt(unpack("a8",pack("H16",substr($form{'upass'.$i},16,16)))); - - $chunk=substr($chunk,1,ord(substr($chunk,0,1))); - $upass.=$chunk; - } - -# ---------------------------------------------------------------- Authenticate - my @cancreate; - my %domconfig = &Apache::lonnet::get_dom('configuration',['usercreation'],$form{'udom'}); - if (ref($domconfig{'usercreation'}) eq 'HASH') { - if (ref($domconfig{'usercreation'}{'cancreate'}) eq 'HASH') { - if (ref($domconfig{'usercreation'}{'cancreate'}{'selfcreate'}) eq 'ARRAY') { - @cancreate = @{$domconfig{'usercreation'}{'cancreate'}{'selfcreate'}}; - } elsif (($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne 'none') && - ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'} ne '')) { - @cancreate = ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'}); - } - } - } - my $defaultauth; - if (grep(/^login$/,@cancreate)) { - $defaultauth = 1; - } - my $authhost=Apache::lonnet::authenticate($form{'uname'},$upass, - $form{'udom'},$defaultauth); - -# --------------------------------------------------------------------- Failed? - - if ($authhost eq 'no_host') { - &failed($r,'Username and/or password could not be authenticated.', - \%form); - return OK; - } elsif ($authhost eq 'no_account_on_host') { - my %domconfig = - &Apache::lonnet::get_dom('configuration',['usercreation'],$form{'udom'}); - if (grep(/^login$/,@cancreate)) { - my $start_page = - &Apache::loncommon::start_page('Create a user account in LON-CAPA', - '',{'no_inline_link' => 1,}); - my $domdesc = &Apache::lonnet::domain($form{'udom'},'description'); - my ($output,$checkfail) = &Apache::createaccount::username_check($form{'uname'}, - $form{'udom'},$domdesc); - &Apache::loncommon::content_type($r,'text/html'); - $r->send_http_header; - &Apache::createaccount::print_header($r,$start_page); - my $msg = ''.&mt('You are already logged in!').'
' + .''.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].' + ,'','','','') + .'
' + .$end_page + ); + return OK; + } + } + +# ---------------------------------------------------- No valid token, continue + + + my $buffer; + if ($r->header_in('Content-length') > 0) { + $r->read($buffer,$r->header_in('Content-length'),0); + } + my %form; + foreach my $pair (split(/&/,$buffer)) { + my ($name,$value) = split(/=/,$pair); + $value =~ tr/+/ /; + $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; + $form{$name}=$value; + } + + if ((!$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($r,'The domain you provided is not a valid LON-CAPA domain.',\%form); + return OK; + } + + my ($key,$firsturl,$rolestr,$symbstr,$iptokenstr)=split(/&/,$tmpinfo); + if ($rolestr) { + $rolestr = &unescape($rolestr); + } + if ($symbstr) { + $symbstr= &unescape($symbstr); + } + if ($iptokenstr) { + $iptokenstr = &unescape($iptokenstr); + } + if ($rolestr =~ /^role=/) { + (undef,$form{'role'}) = split('=',$rolestr); + } + if ($symbstr =~ /^symb=/) { + (undef,$form{'symb'}) = split('=',$symbstr); + } + if ($iptokenstr =~ /^iptoken=/) { + (undef,$form{'iptoken'}) = split('=',$iptokenstr); + } + + my $upass = $ENV{HTTPS} ? $form{'upass0'} + : &Apache::loncommon::des_decrypt($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($r,'Username and/or password could not be authenticated.', + \%form); + return OK; + } elsif ($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'); + 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); + $r->print(''.&mt('You will be able to create one by logging into a LON-CAPA server within the [_1] domain.',$domdesc).'
'. + ''.&mt('[_1]Log in[_2]','',''). + &Apache::loncommon::end_page()); + } else { + $r->print(&Apache::loncommon::start_page('Access to LON-CAPA unavailable'). + '
'.&mt('Currently a LON-CAPA server is not available within the [_1] domain for you to log-in to, to create an account.',$domdesc).'
'. + &Apache::loncommon::end_page()); + } + } else { + &success($r,$form->{'uname'},$udom,$authhost,'noredirect',undef, + $form); + my ($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('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 server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.
More information about this error may be available in the server error log.