--- loncom/auth/lonauth.pm 2000/01/14 21:12:40 1.4 +++ loncom/auth/lonauth.pm 2002/05/06 14:20:27 1.29 @@ -1,66 +1,172 @@ # The LearningOnline Network # User Authentication Module +# +# $Id: lonauth.pm,v 1.29 2002/05/06 14:20:27 matthew 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 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 +# 07/24 Scott Harrison +# 07/28,08/03 Gerd Kortemeyer +# 8/15 Scott Harrison +# 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); # ------------------------------------------------------------ Successful login sub success { - my ($r, $username, $domain, $authhost) = @_; + my ($r, $username, $domain, $authhost,$lowerurl) = @_; 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 $now=time; - $cookie="$username\_$now\_$domain\_$authhost"; - my $rolesdump=Apache::lonnet::reply("dump:$domain:$username:roles", - $authhost); - my $userroles=''; - if ($rolesdump ne '') { - map { - my ($area,$role)=split(/=/,$_); - my ($trole,$tend,$tstart)=split(/_/,$role); - if ($tend!=0) { - if ($tend<$now) { - my $localtime=localtime($tend); - $trole="Role expired $localtime"; - } - } - if ($tstart!=0) { - if ($tstart>$now) { - my $localtime=localtime($tend); - $trole="Role becomes active $localtime"; - } - } - if ($area ne '') { - $userroles.="user.role.$area=$trole\n"; - } - } split(/&/,$rolesdump); - } - { + my $cookie; + my $now=time; + $cookie="$username\_$now\_$domain\_$authhost"; + +# Initialize roles + + my $userroles=Apache::lonnet::rolesinit($domain,$username,$authhost); + +# ------------------------------------ Check browser type and MathML capability + + my @browsertype=split(/\&/,$r->dir_config("lonBrowsDet")); + my %mathcap=split(/\&/,$r->dir_config("lonMathML")); + my $httpbrowser=$ENV{"HTTP_USER_AGENT"}; + my $i; + my $clientbrowser='unknown'; + my $clientversion='0'; + my $clientmathml=''; + for ($i=0;$i<=$#browsertype;$i++) { + my ($bname,$match,$notmatch,$vreg,$minv)=split(/\:/,$browsertype[$i]); + if (($httpbrowser=~/$match/i) && ($httpbrowser!~/$notmatch/i)) { + $clientbrowser=$bname; + $httpbrowser=~/$vreg/i; + $clientversion=$1; + $clientmathml=($clientversion>=$minv); + } + } + my $clientos='unknown'; + if (($httpbrowser=~/linux/i) || + ($httpbrowser=~/unix/i) || + ($httpbrowser=~/ux/i) || + ($httpbrowser=~/solaris/i)) { $clientos='unix'; } + if (($httpbrowser=~/vax/i) || + ($httpbrowser=~/vms/i)) { $clientos='vms'; } + if ($httpbrowser=~/next/i) { $clientos='next'; } + if (($httpbrowser=~/mac/i) || + ($httpbrowser=~/powerpc/i)) { $clientos='mac'; } + if ($httpbrowser=~/win/i) { $clientos='win'; } + +# ------------------------------------------------------------- Get environment + + my $userenv=Apache::lonnet::reply("dump:$domain:$username:environment", + $authhost); + if (($userenv eq 'con_lost') || + ($userenv =~ /^error\:/)) { + $userenv=''; + } + $userenv=~s/\&/\nenvironment\./g; + if ($userenv ne '') { + $userenv='environment.'.$userenv; + } +# --------------------------------------------------------- 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"; - if ($userroles ne '') { print $idf "$userroles" }; + print $idf "browser.type=$clientbrowser\n"; + print $idf "browser.version=$clientversion\n"; + print $idf "browser.mathml=$clientmathml\n"; + print $idf "browser.os=$clientos\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 $idf "request.host=$ENV{'HTTP_HOST'}\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(); +# ------------------------------------------------------------- Info for Remote + my $configmenu=&Apache::lonmenu::rawconfig($r); +# ------------------------------------------------- Output for successful login + $r->send_cgi_header(< Successful Login to the LearningOnline Network with CAPA + - - - - + + +$windowinfo +

Welcome!

+ + ENDSUCCESS } @@ -112,6 +256,8 @@ sub handler { my $pair; my $name; my $value; my %FORM; foreach $pair (@pairs) { ($name,$value) = split(/=/,$pair); + $value =~ tr/+/ /; + $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; $FORM{$name}=$value; } @@ -120,16 +266,45 @@ sub handler { return OK; } $FORM{'uname'} =~ s/\W//g; - $FORM{'upass'} =~ s/\W//g; $FORM{'udom'} =~ s/\W//g; 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,'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, $FORM{'udom'}); # --------------------------------------------------------------------- Failed? @@ -139,14 +314,15 @@ sub handler { return OK; } - my %cookies=CGI::Cookie->parse($r->header_in('Cookie')); - my $lonurl=$cookies{'lonURL'}; - if (!$lonurl) { failed($r,'Cookies need to be activated'); return OK; } - my $lowerurl=$lonurl->value; + if (($firsturl eq '') || ($firsturl eq '/adm/logout')) { + $firsturl='/adm/roles'; + } - success($r,$FORM{'uname'},$FORM{'udom'},$authhost); + success($r,$FORM{'uname'},$FORM{'udom'},$authhost,$firsturl); return OK; } 1; __END__ + +