--- loncom/auth/lonauth.pm 2001/08/16 02:03:15 1.23 +++ loncom/auth/lonauth.pm 2003/09/20 17:44:22 1.57 @@ -1,13 +1,37 @@ # The LearningOnline Network # User Authentication Module +# +# $Id: lonauth.pm,v 1.57 2003/09/20 17:44:22 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, # 1/14,2/24,2/28,2/29,3/7,5/29,5/30,5/31,6/1,6/5,6/29, # 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; @@ -16,10 +40,16 @@ 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::loncommon(); use Apache::lonnet(); use Apache::lonmenu(); use Fcntl qw(:flock); +use Apache::lonlocal; + +my %FORM; + # ------------------------------------------------------------ Successful login sub success { @@ -49,73 +79,88 @@ sub success { # ------------------------------------ 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) { $clientos='win'; } + my ($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 $userenv=Apache::lonnet::reply("dump:$domain:$username:environment", - $authhost); - if (($userenv eq 'con_lost') || - ($userenv =~ /^error\:/)) { - $userenv=''; - } - $userenv=~s/\&/\nenvironment\./g; - if ($userenv ne '') { - $userenv='environment.'.$userenv; + 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'}; +# --------------- 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 $idf "browser.os=$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"; } + { + 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"; } - $ENV{'request.role'}='cm'; + 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, @@ -134,9 +179,11 @@ sub success { $cookie="lonID=$cookie; path=/"; # -------------------------------------------------------- Menu script and info - my $windowinfo=&Apache::lonmenu::open(); -# ------------------------------------------------------------- Info for Remote - my $configmenu=&Apache::lonmenu::rawconfig(); + my $windowinfo=&Apache::lonmenu::open($clientos); + my $startupremote=&Apache::lonmenu::startupremote($lowerurl); + my $setflags=&Apache::lonmenu::setflags(); + my $maincall=&Apache::lonmenu::maincall(); + my $bodytag=&Apache::loncommon::bodytag('Successful Login'); # ------------------------------------------------- Output for successful login $r->send_cgi_header(< Successful Login to the LearningOnline Network with CAPA - +$startupremote - - +$bodytag +$setflags $windowinfo

Welcome!

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

+Problems?

+$maincall ENDSUCCESS @@ -199,6 +215,7 @@ ENDSUCCESS sub failed { my ($r,$message) = @_; + my $bodytag=&Apache::loncommon::bodytag('Unsuccessful Login'); $r->send_cgi_header(<Unsuccessful Login to the LearningOnline Network with CAPA - +$bodytag

Sorry ...

-

$message to use the LearningOnline Network with CAPA

+

$message

+

Please log in again.

+

+Problems?

ENDFAILED } +# ------------------------------------------------------------------ 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 +} + # ---------------------------------------------------------------- Main handler sub handler { my $r = shift; +# Are we re-routing? + if (-e '/home/httpd/html/lon-status/reroute.txt') { + &reroute($r); + return OK; + } + + &Apache::lonlocal::get_language_handle($r); + my $buffer; - $r->read($buffer,$r->header_in('Content-length')); + $r->read($buffer,$r->header_in('Content-length'),0); my @pairs=split(/&/,$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); $value =~ tr/+/ /; @@ -234,7 +287,7 @@ sub handler { } if ((!$FORM{'uname'}) || (!$FORM{'upass'}) || (!$FORM{'udom'})) { - failed($r,'Username, password and domain need to be specified'); + failed($r,'Username, password and domain need to be specified.'); return OK; } $FORM{'uname'} =~ s/\W//g; @@ -250,15 +303,25 @@ sub handler { $FORM{'serverid'}); if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost')) { - failed($r,'Login token missing, inaccessible or expired'); + failed($r,'Information needed to verify your login information is missing, inaccessible or expired.'); return OK; + } else { + unless (&Apache::lonnet::reply('tmpdel:'.$FORM{'logtoken'}, + $FORM{'serverid'}) eq 'ok') { + &failed($r,'Session could not be opened.'); + } } - my ($key,$firsturl)=split(/&/,$tmpinfo); my $keybin=pack("H16",$key); - my $cipher=new DES $keybin; + 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($FORM{'upass'},0,16)))); @@ -276,12 +339,12 @@ sub handler { # --------------------------------------------------------------------- Failed? if ($authhost eq 'no_host') { - failed($r,'Username and/or password could not be authenticated'); + failed($r,'Username and/or password could not be authenticated.'); return OK; } if (($firsturl eq '') || ($firsturl eq '/adm/logout')) { - $firsturl='/res/adm/pages/index.html'; + $firsturl='/adm/roles'; } success($r,$FORM{'uname'},$FORM{'udom'},$authhost,$firsturl);