--- loncom/auth/lonauth.pm 2005/04/07 06:56:21 1.66 +++ loncom/auth/lonauth.pm 2006/10/10 21:57:12 1.85 @@ -1,7 +1,7 @@ # The LearningOnline Network # User Authentication Module # -# $Id: lonauth.pm,v 1.66 2005/04/07 06:56:21 albertel Exp $ +# $Id: lonauth.pm,v 1.85 2006/10/10 21:57:12 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -29,8 +29,8 @@ package Apache::lonauth; use strict; +use LONCAPA; use Apache::Constants qw(:common); -use Apache::File; use CGI qw(:standard); use CGI::Cookie(); use DynaLoader; # for Crypt::DES version @@ -40,122 +40,22 @@ use Apache::lonnet; use Apache::lonmenu(); use Fcntl qw(:flock); use Apache::lonlocal; - -my %FORM; - + # ------------------------------------------------------------ Successful login - sub success { - my ($r, $username, $domain, $authhost,$lowerurl) = @_; - my $lonids=$r->dir_config('lonIDsDir'); - -# See if old ID present, if so, remove - - my $filename; - opendir(DIR,$lonids); - while ($filename=readdir(DIR)) { - if ($filename=~/^$username\_\d+\_$domain\_$authhost\.id$/) { - unlink($lonids.'/'.$filename); - } - } - closedir(DIR); - -# Give them a new cookie - - my $cookie; - my $now=time; - $cookie="$username\_$now\_$domain\_$authhost"; - -# Initialize roles + my ($r, $username, $domain, $authhost, $lowerurl, $extra_env, + $form) = @_; - my $userroles=Apache::lonnet::rolesinit($domain,$username,$authhost); - -# ------------------------------------ Check browser type and MathML capability +# ------------------------------------------------------------ Get cookie ready + my $cookie = + &Apache::loncommon::init_user_environment($r, $username, $domain, + $authhost, $form, + $extra_env); - my ($httpbrowser,$clientbrowser,$clientversion,$clientmathml, - $clientunicode,$clientos) = &Apache::loncommon::decode_user_agent($r); - -# -------------------------------------- Any accessibility options to remember? - if (($FORM{'interface'}) && ($FORM{'remember'} eq 'true')) { - foreach ('imagesuppress','appletsuppress', - 'embedsuppress','fontenhance','blackwhite') { - if ($FORM{$_} eq 'true') { - &Apache::lonnet::put('environment',{$_ => 'on'}, - $domain,$username); - } else { - &Apache::lonnet::del('environment',[$_],$domain,$username); - } - } - } -# ------------------------------------------------------------- Get environment + my $public=($username eq 'public' && $domain eq 'public'); - my $userenv; - my %userenv=Apache::lonnet::dump('environment',$domain,$username); - my ($tmp) = keys(%userenv); - if ($tmp !~ /^(con_lost|error|no_such_host)/i) { - foreach my $key (keys(%userenv)) { - $userenv.="environment.$key=$userenv{$key}\n"; - } - } - if (($userenv{'interface'}) && (!$FORM{'interface'})) { - $FORM{'interface'}=$userenv{'interface'}; - } - $env{'environment.remote'}=$userenv{'remote'}; - if ($userenv{'texengine'} eq 'ttm') { $clientmathml=1; } + if ($public or $lowerurl eq 'noredirect') { return $cookie; } -# --------------- Do not trust query string to be put directly into environment - foreach ('imagesuppress','appletsuppress', - 'embedsuppress','fontenhance','blackwhite', - 'interface','localpath','localres') { - $FORM{$_}=~s/[\n\r\=]//gs; - } -# --------------------------------------------------------- Write first profile - - { - my $idf=Apache::File->new(">$lonids/$cookie.id"); - unless (flock($idf,LOCK_EX)) { - &Apache::lonnet::logthis("WARNING: ". - 'Could not obtain exclusive lock in lonauth: '.$!); - $idf->close(); - return 'error: '.$!; - } - if ($userenv ne '') { print $idf "$userenv\n"; } - print $idf "user.name=$username\n"; - print $idf "user.domain=$domain\n"; - print $idf "user.home=$authhost\n"; - print $idf "browser.type=$clientbrowser\n"; - print $idf "browser.version=$clientversion\n"; - print $idf "browser.mathml=$clientmathml\n"; - print $idf "browser.unicode=$clientunicode\n"; - print $idf "browser.os=$clientos\n"; - if ($FORM{'localpath'}) { - print $idf "browser.localpath=$FORM{'localpath'}\n"; - print $idf "browser.localres=$FORM{'localres'}\n"; - } - print $idf "request.course.fn=\n"; - print $idf "request.course.uri=\n"; - print $idf "request.course.sec=\n"; - print $idf "request.role=cm\n"; - print $idf "request.role.adv=$env{'user.adv'}\n"; - print $idf "request.host=$ENV{'REMOTE_ADDR'}\n"; - if ($FORM{'interface'}) { - $FORM{'interface'}=~s/\W//gs; - print $idf "browser.interface=$FORM{'interface'}\n"; - $env{'browser.interface'}=$FORM{'interface'}; - foreach ('imagesuppress','appletsuppress', - 'embedsuppress','fontenhance','blackwhite') { - if (($FORM{$_} eq 'true') || - ($userenv{$_} eq 'on')) { - print $idf "browser.$_=on\n"; - } - } - } - if ($userroles ne '') { print $idf "$userroles"; } - $idf->close(); - } - $env{'request.role'}='cm'; - $env{'request.role.adv'}=$env{'user.adv'}; - $env{'browser.type'}=$clientbrowser; # -------------------------------------------------------------------- Log this &Apache::lonnet::log($domain,$username,$authhost, @@ -171,16 +71,18 @@ sub success { } # ------------------------------------------------------------ Get cookie ready - $cookie="lonID=$cookie; path=/"; # -------------------------------------------------------- Menu script and info - my $windowinfo=&Apache::lonmenu::open($clientos); + my $windowinfo=&Apache::lonmenu::open($env{'browser.os'}); my $startupremote=&Apache::lonmenu::startupremote($lowerurl); my $remoteinfo=&Apache::lonmenu::load_remote_msg($lowerurl); my $setflags=&Apache::lonmenu::setflags(); my $maincall=&Apache::lonmenu::maincall(); - my $bodytag=&Apache::loncommon::bodytag('Successful Login'); - my $add=&addcontent(); + my $start_page=&Apache::loncommon::start_page('Successful Login', + $startupremote, + {'no_inline_link' => 1,}); + my $end_page =&Apache::loncommon::end_page(); + my $continuelink; if (($env{'browser.interface'} eq 'textual') || ($env{'environment.remote'} eq 'off')) { @@ -188,11 +90,10 @@ sub success { } # ------------------------------------------------- Output for successful login - $r->send_cgi_header(<header_out('Set-cookie' => $cookie); + $r->send_http_header; -ENDHEADER my %lt=&Apache::lonlocal::texthash( 'wel' => 'Welcome', 'mes' => 'Welcome to the LearningOnline Network with CAPA. Please wait while your session is being set up', @@ -200,12 +101,7 @@ ENDHEADER 'log' => 'loginproblems.html', ); $r->print(< - -Successful Login to the LearningOnline Network with CAPA -$startupremote - -$bodytag +$start_page $setflags $windowinfo

$lt{'wel'}

@@ -214,75 +110,56 @@ $lt{'mes'}.

$remoteinfo $maincall $continuelink - - +$end_page ENDSUCCESS } # --------------------------------------------------------------- Failed login! sub failed { - my ($r,$message) = @_; - my $bodytag=&Apache::loncommon::bodytag('Unsuccessful Login'); - my $add=&addcontent(); - $r->send_cgi_header(< 1,}); + my $end_page = &Apache::loncommon::end_page(); + + my %lt=('sorry' => &mt('Sorry ...'), + 'please' => + &mt('Please [_1]log in again[_2].', + "{'uname'}&domain=$form->{'udom'}\">", + ''), + 'problemspage' => &mt('loginproblems.html'), + 'problems' => 'Problems', + ); + &Apache::loncommon::content_type($r,'text/html'); + $r->send_http_header; -ENDFHEADER $r->print(< - -Unsuccessful Login to the LearningOnline Network with CAPA - -$bodytag -

Sorry ...

+$start_page +

$lt{'sorry'}

$message

-

Please log in again.

+

$lt{'please'}

-Problems?

- - +$lt{'problems'}

+$end_page ENDFAILED } -# --------------------------------------------------------------------- Charset - -sub addcontent { - my $encoding=&Apache::lonlocal::current_encoding; - if ($encoding) { - return '; charset='.$encoding; - } else { - return ''; - } -} - # ------------------------------------------------------------------ Rerouting! sub reroute { - my $r=shift; - my $bodytag=&Apache::loncommon::bodytag('Rerouting'); - $r->send_cgi_header(<print(< - -Rerouting Login to the LearningOnline Network with CAPA - -$bodytag -

Sorry ...

-Please log in again. - - -ENDRFAILED + my ($r) = @_; + &Apache::loncommon::content_type($r,'text/html'); + $r->send_http_header; + my $msg='

Sorry ...

+ Please log in again.'; + &Apache::loncommon::simple_error_page($r,'Rerouting',$msg); } # ---------------------------------------------------------------- Main handler sub handler { my $r = shift; - + my $form; # Are we re-routing? if (-e '/home/httpd/html/lon-status/reroute.txt') { &reroute($r); @@ -301,24 +178,20 @@ sub handler { my $lonidsdir=$r->dir_config('lonIDsDir'); if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) { # Indeed, a valid token is found - $r->send_cgi_header(<send_http_header; + my $start_page = + &Apache::loncommon::start_page('Already logged in'); + my $end_page = + &Apache::loncommon::end_page(); $r->print(< - -Already logged in - -$bodytag +$start_page

You are already logged in

Please either continue the current session or logout.

Problems?

- - +$end_page ENDFAILED return OK; } @@ -328,29 +201,29 @@ ENDFAILED my $buffer; - $r->read($buffer,$r->header_in('Content-length'),0); - my @pairs=split(/&/,$buffer); - my $pair; my $name; my $value; - undef %FORM; - %FORM=(); - foreach $pair (@pairs) { - ($name,$value) = split(/=/,$pair); + 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; + $form{$name}=$value; } - if ((!$FORM{'uname'}) || (!$FORM{'upass'}) || (!$FORM{'udom'})) { - failed($r,'Username, password and domain need to be specified.'); + if ((!$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'} =~ s/\W//g; - $FORM{'suname'} =~ s/\W//g; - $FORM{'udom'} =~ s/\W//g; + ($form{'uname'},$form{'suname'})=split(/\:/,$form{'uname'}); + $form{'uname'} =~ s/\W//g; + $form{'suname'} =~ s/\W//g; + $form{'udom'} =~ s/\W//g; my $role = $r->dir_config('lonRole'); my $domain = $r->dir_config('lonDefDomain'); @@ -358,16 +231,19 @@ ENDFAILED # ---------------------------------------- Get the information from login token - my $tmpinfo=Apache::lonnet::reply('tmpget:'.$FORM{'logtoken'}, - $FORM{'serverid'}); + 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.'); + &failed($r,'Information needed to verify your login information is missing, inaccessible or expired.',\%form); return OK; } else { - unless (&Apache::lonnet::reply('tmpdel:'.$FORM{'logtoken'}, - $FORM{'serverid'}) eq 'ok') { - &failed($r,'Session could not be opened.'); + 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); @@ -381,24 +257,28 @@ ENDFAILED 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)))); - my $upass=$cipher->decrypt( - unpack("a8",pack("H16",substr($FORM{'upass'},0,16)))); + $chunk.= + $cipher->decrypt(unpack("a8",pack("H16",substr($form{'upass'.$i},16,16)))); - $upass.=$cipher->decrypt( - unpack("a8",pack("H16",substr($FORM{'upass'},16,16)))); - - $upass=substr($upass,1,ord(substr($upass,0,1))); + $chunk=substr($chunk,1,ord(substr($chunk,0,1))); + $upass.=$chunk; + } # ---------------------------------------------------------------- Authenticate - my $authhost=Apache::lonnet::authenticate($FORM{'uname'}, + my $authhost=Apache::lonnet::authenticate($form{'uname'}, $upass, - $FORM{'udom'}); + $form{'udom'}); # --------------------------------------------------------------------- Failed? if ($authhost eq 'no_host') { - failed($r,'Username and/or password could not be authenticated.'); + &failed($r,'Username and/or password could not be authenticated.', + \%form); return OK; } @@ -407,19 +287,19 @@ ENDFAILED $firsturl='/adm/roles'; } # --------------------------------- Are we attempting to login as somebody else? - if ($FORM{'suname'}) { + if ($form{'suname'}) { # ------------ see if the original user has enough privileges to pull this stunt - if (&Apache::lonnet::privileged($FORM{'uname'},$FORM{'udom'})) { + if (&Apache::lonnet::privileged($form{'uname'},$form{'udom'})) { # ---------------------------------------------------- see if the su-user exists - unless (&Apache::lonnet::homeserver($FORM{'suname'},$FORM{'udom'}) + unless (&Apache::lonnet::homeserver($form{'suname'},$form{'udom'}) eq 'no_host') { - &Apache::lonnet::logthis(&Apache::lonnet::homeserver($FORM{'suname'},$FORM{'udom'})); + &Apache::lonnet::logthis(&Apache::lonnet::homeserver($form{'suname'},$form{'udom'})); # ------------------------------ see if the su-user is not too highly privileged - unless (&Apache::lonnet::privileged($FORM{'suname'},$FORM{'udom'})) { + unless (&Apache::lonnet::privileged($form{'suname'},$form{'udom'})) { # -------------------------------------------------------- actually switch users - &Apache::lonnet::logperm('User '.$FORM{'uname'}.' at '.$FORM{'udom'}. - ' logging in as '.$FORM{'suname'}); - $FORM{'uname'}=$FORM{'suname'}; + &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'); } @@ -428,7 +308,15 @@ ENDFAILED &Apache::lonnet::logthis('Non-privileged user attempting switch user'); } } - &success($r,$FORM{'uname'},$FORM{'udom'},$authhost,$firsturl); + + if ($r->dir_config("lonBalancer") eq 'yes') { + &success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect',undef, + \%form); + $r->internal_redirect('/adm/switchserver'); + } else { + &success($r,$form{'uname'},$form{'udom'},$authhost,$firsturl,undef, + \%form); + } return OK; }