--- loncom/auth/lonauth.pm 2000/06/05 20:28:17 1.7 +++ loncom/auth/lonauth.pm 2003/02/18 19:12:38 1.38 @@ -1,16 +1,52 @@ # The LearningOnline Network # User Authentication Module +# +# $Id: lonauth.pm,v 1.38 2003/02/18 19:12:38 www 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/ +# # 5/21/99,5/22,5/25,5/26,5/27,5/29,6/2,6/11,6/14,6/15 # 16/11,12/16, -# 1/14,2/24,2/28,2/29,3/7,5/29,5/30,5/31,6/1,6/5 Gerd Kortemeyer +# 1/14,2/24,2/28,2/29,3/7,5/29,5/30,5/31,6/1,6/5,6/29, +# 7/1,7/10,10/2,10/5,10/9,10/26,10/30,11/10, +# 05/28,05/29 Gerd Kortemeyer +# 07/28,08/03 Gerd Kortemeyer +# 8/20 Gerd Kortemeyer package Apache::lonauth; +use strict; use Apache::Constants qw(:common); use Apache::File; use CGI qw(:standard); use CGI::Cookie(); +use DynaLoader; # for Crypt::DES version +use Crypt::DES; use Apache::lonnet(); +use Apache::lonmenu(); +use Fcntl qw(:flock); + +my %FORM; # ------------------------------------------------------------ Successful login @@ -19,13 +55,19 @@ sub success { my $lonids=$r->dir_config('lonIDsDir'); # See if old ID present, if so, remove - my $cookie; - while ($cookie=<$lonids/$username\_*\_$domain\_$authhost.id>) { - unlink($cookie); + + 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"; @@ -42,14 +84,16 @@ sub success { my $clientbrowser='unknown'; my $clientversion='0'; my $clientmathml=''; + my $clientunicode='0'; for ($i=0;$i<=$#browsertype;$i++) { - my ($bname,$match,$notmatch,$vreg,$minv)=split(/\:/,$browsertype[$i]); + my ($bname,$match,$notmatch,$vreg,$minv,$univ)=split(/\:/,$browsertype[$i]); if (($httpbrowser=~/$match/i) && ($httpbrowser!~/$notmatch/i)) { $clientbrowser=$bname; $httpbrowser=~/$vreg/i; $clientversion=$1; $clientmathml=($clientversion>=$minv); - } + $clientunicode=($clientversion>=$univ); + } } my $clientos='unknown'; if (($httpbrowser=~/linux/i) || @@ -61,30 +105,85 @@ sub success { if ($httpbrowser=~/next/i) { $clientos='next'; } if (($httpbrowser=~/mac/i) || ($httpbrowser=~/powerpc/i)) { $clientos='mac'; } - if ($httpbrowser=~/win/) { $clientos='win'; } + if ($httpbrowser=~/win/i) { $clientos='win'; } + if ($httpbrowser=~/embed/i) { $clientos='pda'; } + +# ------------------------------------------------------------- Get environment + 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'}; + } # --------------------------------------------------------- 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 ($userroles ne '') { print $idf "$userroles" }; + 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 $idf "request.host=$ENV{'HTTP_HOST'}\n"; + if ($FORM{'interface'}) { + $FORM{'interface'}=~s/\W//gs; + print $idf "browser.interface=$FORM{'interface'}\n"; + $ENV{'browser.interface'}=$FORM{'interface'}; + } + foreach + ('imagesuppress','embedsuppress','fontenhance','blackwhite') { + if (($FORM{$_} eq 'on') || + ($userenv{$_} eq 'on')) { + print $idf "browser.$_=on\n"; + } + } + if ($userroles ne '') { print $idf "$userroles"; } + $idf->close(); } + $ENV{'request.role'}='cm'; + $ENV{'browser.type'}=$clientbrowser; # -------------------------------------------------------------------- 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 $windowinfo=&Apache::lonmenu::open($clientos); + my $startupremote=&Apache::lonmenu::startupremote($lowerurl); + my $setflags=&Apache::lonmenu::setflags(); + my $maincall=&Apache::lonmenu::maincall(); # ------------------------------------------------- Output for successful login $r->send_cgi_header(< Successful Login to the LearningOnline Network with CAPA - +$startupremote - +$setflags +$windowinfo

Welcome!

+Welcome to the LearningOnline Network with CAPA. +Please wait while your session +is being set up.

+Problems?

+$maincall ENDSUCCESS @@ -139,7 +241,9 @@ sub handler { my $buffer; $r->read($buffer,$r->header_in('Content-length')); my @pairs=split(/&/,$buffer); - my $pair; my $name; my $value; my %FORM; + my $pair; my $name; my $value; + undef %FORM; + %FORM=(); foreach $pair (@pairs) { ($name,$value) = split(/=/,$pair); $value =~ tr/+/ /; @@ -158,9 +262,39 @@ sub handler { 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,'Login token missing, inaccessible or expired'); + 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 $upass=$cipher->decrypt( + unpack("a8",pack("H16",substr($FORM{'upass'},0,16)))); + + $upass.=$cipher->decrypt( + unpack("a8",pack("H16",substr($FORM{'upass'},16,16)))); + + $upass=substr($upass,1,ord(substr($upass,0,1))); + # ---------------------------------------------------------------- Authenticate my $authhost=Apache::lonnet::authenticate($FORM{'uname'}, - $FORM{'upass'}, + $upass, $FORM{'udom'}); # --------------------------------------------------------------------- Failed? @@ -170,11 +304,11 @@ sub handler { return OK; } - if ($FORM{'firsturl'} eq '') { - $FORM{'firsturl'}='/res/index.html'; + if (($firsturl eq '') || ($firsturl eq '/adm/logout')) { + $firsturl='/adm/roles'; } - success($r,$FORM{'uname'},$FORM{'udom'},$authhost,$FORM{'firsturl'}); + success($r,$FORM{'uname'},$FORM{'udom'},$authhost,$firsturl); return OK; }