version 1.41, 2003/04/03 16:50:46
|
version 1.174, 2018/12/29 23:24:52
|
Line 25
|
Line 25
|
# |
# |
# http://www.lon-capa.org/ |
# http://www.lon-capa.org/ |
# |
# |
# YEAR=1999 |
|
# 5/21/99,5/22,5/29,5/31,6/15,16/11,22/11, |
|
# YEAR=2000 |
|
# 01/06,01/13,05/31,06/01,09/06,09/25,09/28,10/30,11/6, |
|
# 12/25,12/26, |
|
# YEAR=2001 |
|
# 01/06/01,05/28,8/11,9/26,11/29 Gerd Kortemeyer |
|
# YEAR=2002 |
|
# 1/4,2/25 Gerd Kortemeyer |
|
# |
|
### |
### |
|
|
package Apache::lonacc; |
|
|
|
use strict; |
|
use Apache::Constants qw(:common :http :methods); |
|
use Apache::File; |
|
use Apache::lonnet; |
|
use Apache::loncommon(); |
|
use CGI::Cookie(); |
|
use Fcntl qw(:flock); |
|
|
|
sub handler { |
|
my $r = shift; |
|
my $requrl=$r->uri; |
|
my %cookies=CGI::Cookie->parse($r->header_in('Cookie')); |
|
my $lonid=$cookies{'lonID'}; |
|
my $cookie; |
|
if ($lonid) { |
|
my $handle=$lonid->value; |
|
$handle=~s/\W//g; |
|
my $lonidsdir=$r->dir_config('lonIDsDir'); |
|
if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) { |
|
|
|
# ------------------------------------------- Transfer profile into environment |
|
|
|
my @profile; |
|
{ |
|
my $idf=Apache::File->new("$lonidsdir/$handle.id"); |
|
flock($idf,LOCK_SH); |
|
@profile=<$idf>; |
|
$idf->close(); |
|
} |
|
my $envi; |
|
for ($envi=0;$envi<=$#profile;$envi++) { |
|
chomp($profile[$envi]); |
|
my ($envname,$envvalue)=split(/=/,$profile[$envi]); |
|
$ENV{$envname} = $envvalue; |
|
} |
|
$ENV{'user.environment'} = "$lonidsdir/$handle.id"; |
|
if ($requrl=~/^\/res\//) { |
|
$ENV{'request.state'} = "published"; |
|
} else { |
|
$ENV{'request.state'} = 'unknown'; |
|
} |
|
$ENV{'request.filename'} = $r->filename; |
|
|
|
# -------------------------------------------------------- Load POST parameters |
|
|
|
|
|
|
|
my $buffer; |
|
|
|
$r->read($buffer,$r->header_in('Content-length')); |
|
unless ($buffer=~/^(\-+\w+)\s+Content\-Disposition\:\s*form\-data/si) { |
|
my @pairs=split(/&/,$buffer); |
|
my $pair; |
|
foreach $pair (@pairs) { |
|
my ($name,$value) = split(/=/,$pair); |
|
$value =~ tr/+/ /; |
|
$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
|
$name =~ tr/+/ /; |
|
$name =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
|
&Apache::loncommon::add_to_env("form.$name",$value); |
|
} |
|
} else { |
|
my $contentsep=$1; |
|
my @lines = split (/\n/,$buffer); |
|
my $name=''; |
|
my $value=''; |
|
my $fname=''; |
|
my $fmime=''; |
|
my $i; |
|
for ($i=0;$i<=$#lines;$i++) { |
|
if ($lines[$i]=~/^$contentsep/) { |
|
if ($name) { |
|
chomp($value); |
|
if ($fname) { |
|
$ENV{"form.$name.filename"}=$fname; |
|
$ENV{"form.$name.mimetype"}=$fmime; |
|
} else { |
|
$value=~s/\s+$//s; |
|
} |
|
&Apache::loncommon::add_to_env("form.$name",$value); |
|
} |
|
if ($i<$#lines) { |
|
$i++; |
|
$lines[$i]=~ |
|
/Content\-Disposition\:\s*form\-data\;\s*name\=\"([^\"]+)\"/i; |
|
$name=$1; |
|
$value=''; |
|
if ($lines[$i]=~/filename\=\"([^\"]+)\"/i) { |
|
$fname=$1; |
|
if |
|
($lines[$i+1]=~/Content\-Type\:\s*([\w\-\/]+)/i) { |
|
$fmime=$1; |
|
$i++; |
|
} else { |
|
$fmime=''; |
|
} |
|
} else { |
|
$fname=''; |
|
$fmime=''; |
|
} |
|
$i++; |
|
} |
|
} else { |
|
$value.=$lines[$i]."\n"; |
|
} |
|
} |
|
} |
|
$ENV{'request.method'}=$ENV{'REQUEST_METHOD'}; |
|
$r->method_number(M_GET); |
|
$r->method('GET'); |
|
$r->headers_in->unset('Content-length'); |
|
|
|
# ---------------------------------------------------------------- Check access |
|
|
|
if ($requrl!~/^\/adm|public|prtspool\//) { |
|
my $access=&Apache::lonnet::allowed('bre',$requrl); |
|
if ($access eq '1') { |
|
$ENV{'user.error.msg'}="$requrl:bre:0:0:Choose Course"; |
|
return HTTP_NOT_ACCEPTABLE; |
|
} |
|
if (($access ne '2') && ($access ne 'F')) { |
|
$ENV{'user.error.msg'}="$requrl:bre:1:1:Access Denied"; |
|
return HTTP_NOT_ACCEPTABLE; |
|
} |
|
} |
|
if ($requrl =~ m|^/prtspool/|) { |
|
my $start='/prtspool/'.$ENV{'user.name'}.'_'. |
|
$ENV{'user.domain'}; |
|
if ($requrl !~ /^\Q$start\E/) { |
|
$ENV{'user.error.msg'}="$requrl:bre:1:1:Access Denied"; |
|
return HTTP_NOT_ACCEPTABLE; |
|
} |
|
} |
|
# ------------------------------------------------------------- This is allowed |
|
if ($ENV{'request.course.id'}) { |
|
&Apache::lonnet::countacc($requrl); |
|
$requrl=~/\.(\w+)$/; |
|
if ((&Apache::loncommon::fileembstyle($1) eq 'ssi') || |
|
($requrl=~/^\/adm\/(aboutme|navmaps|smppg|bulletinboard|wrapper)/) || |
|
($requrl=~/^\/public\/.*\/syllabus$/)) { |
|
# ------------------------------------- This is serious stuff, get symb and log |
|
my $query=$r->args; |
|
my $symb; |
|
if ($query) { |
|
&Apache::loncommon::get_unprocessed_cgi($query,['symb']); |
|
} |
|
if ($ENV{'form.symb'}) { |
|
$symb=&Apache::lonnet::symbclean($ENV{'form.symb'}); |
|
if (&Apache::lonnet::symbverify($symb,$requrl)) { |
|
my ($map,$mid,$murl)=split(/\_\_\_/,$symb); |
|
&Apache::lonnet::symblist($map,$murl => $mid, |
|
'last_known' => $murl); |
|
} else { |
|
$r->log_reason('Invalid symb for '.$requrl.': '. |
|
$symb); |
|
$ENV{'user.error.msg'}= |
|
"$requrl:bre:1:1:Invalid Access"; |
|
return HTTP_NOT_ACCEPTABLE; |
|
} |
|
} else { |
|
$symb=&Apache::lonnet::symbread; |
|
} |
|
$ENV{'request.symb'}=$symb; |
|
&Apache::lonnet::courseacclog($symb); |
|
} else { |
|
# ------------------------------------------------------- This is other content |
|
&Apache::lonnet::courseacclog($requrl); |
|
} |
|
} |
|
return OK; |
|
} else { |
|
$r->log_reason("Cookie $handle not valid", $r->filename) |
|
}; |
|
} |
|
|
|
# -------------------------------------------- See if this is a public resource |
|
if ($requrl=~m|^/public/| |
|
|| (&Apache::lonnet::metadata($requrl,'copyright') eq 'public')) { |
|
&Apache::lonnet::logthis('Granting public access: '.$requrl); |
|
$ENV{'user.name'}='public'; |
|
$ENV{'user.domain'}='public'; |
|
$ENV{'request.state'} = "published"; |
|
$ENV{'request.publicaccess'} = 1; |
|
$ENV{'request.filename'} = $r->filename; |
|
return OK; |
|
} |
|
# -------------------------------------------------------------- Not authorized |
|
$requrl=~/\.(\w+)$/; |
|
if ((&Apache::loncommon::fileembstyle($1) eq 'ssi') || |
|
($requrl=~/^\/adm\/(roles|logout|email|menu|remote)/) || |
|
($requrl=~m|^/prtspool/|)) { |
|
# -------------------------- Store where they wanted to go and get login screen |
|
$ENV{'request.querystring'}=$r->args; |
|
$ENV{'request.firsturl'}=$requrl; |
|
return FORBIDDEN; |
|
} else { |
|
# --------------------------------------------------------------------- Goodbye |
|
return HTTP_BAD_REQUEST; |
|
} |
|
} |
|
|
|
1; |
|
__END__ |
|
|
|
=head1 NAME |
=head1 NAME |
|
|
Apache::lonacc - Cookie Based Access Handler |
Apache::lonacc - Cookie Based Access Handler |
Line 303 store attempted access
|
Line 87 store attempted access
|
|
|
=back |
=back |
|
|
|
=head1 NOTABLE SUBROUTINES |
|
|
|
=cut |
|
|
|
|
|
package Apache::lonacc; |
|
|
|
use strict; |
|
use Apache::Constants qw(:common :http :methods); |
|
use Apache::File; |
|
use Apache::lonnet; |
|
use Apache::loncommon(); |
|
use Apache::lonlocal; |
|
use Apache::restrictedaccess(); |
|
use Apache::blockedaccess(); |
|
use Fcntl qw(:flock); |
|
use LONCAPA qw(:DEFAULT :match); |
|
|
|
sub cleanup { |
|
my ($r)=@_; |
|
if (! $r->is_initial_req()) { return DECLINED; } |
|
&Apache::lonnet::save_cache(); |
|
return OK; |
|
} |
|
|
|
sub goodbye { |
|
my ($r)=@_; |
|
&Apache::lonnet::goodbye(); |
|
return DONE; |
|
} |
|
|
|
############################################### |
|
|
|
sub get_posted_cgi { |
|
my ($r,$fields) = @_; |
|
|
|
my $buffer; |
|
if ($r->header_in('Content-length')) { |
|
$r->read($buffer,$r->header_in('Content-length'),0); |
|
} |
|
my $content_type = $r->header_in('Content-type'); |
|
if ($content_type !~ m{^multipart/form-data}) { |
|
my @pairs=split(/&/,$buffer); |
|
my $pair; |
|
foreach $pair (@pairs) { |
|
my ($name,$value) = split(/=/,$pair); |
|
$value =~ tr/+/ /; |
|
$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
|
$name =~ tr/+/ /; |
|
$name =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
|
if (ref($fields) eq 'ARRAY') { |
|
next if (!grep(/^\Q$name\E$/,@{$fields})); |
|
} |
|
&Apache::loncommon::add_to_env("form.$name",$value); |
|
} |
|
} else { |
|
my ($contentsep) = ($content_type =~ /boundary=\"?([^\";,]+)\"?/); |
|
my @lines = split (/\n/,$buffer); |
|
my $name=''; |
|
my $value=''; |
|
my $fname=''; |
|
my $fmime=''; |
|
my $i; |
|
for ($i=0;$i<=$#lines;$i++) { |
|
if ($lines[$i]=~/^--\Q$contentsep\E/) { |
|
if ($name) { |
|
chomp($value); |
|
if (($r->uri eq '/adm/portfolio') && |
|
($name eq 'uploaddoc')) { |
|
if (length($value) == 1) { |
|
$value=~s/[\r\n]$//; |
|
} |
|
} elsif ($fname =~ /\.(xls|doc|ppt)(x|m)$/i) { |
|
$value=~s/[\r\n]$//; |
|
} |
|
if (ref($fields) eq 'ARRAY') { |
|
next if (!grep(/^\Q$name\E$/,@{$fields})); |
|
} |
|
if ($fname) { |
|
if ($env{'form.symb'} ne '') { |
|
my $size = (length($value))/(1024.0 * 1024.0); |
|
if (&upload_size_allowed($name,$size,$fname) eq 'ok') { |
|
$env{"form.$name.filename"}=$fname; |
|
$env{"form.$name.mimetype"}=$fmime; |
|
&Apache::loncommon::add_to_env("form.$name",$value); |
|
} |
|
} else { |
|
$env{"form.$name.filename"}=$fname; |
|
$env{"form.$name.mimetype"}=$fmime; |
|
&Apache::loncommon::add_to_env("form.$name",$value); |
|
} |
|
} else { |
|
$value=~s/\s+$//s; |
|
&Apache::loncommon::add_to_env("form.$name",$value); |
|
} |
|
} |
|
if ($i<$#lines) { |
|
$i++; |
|
$lines[$i]=~ |
|
/Content\-Disposition\:\s*form\-data\;\s*name\=\"([^\"]+)\"/i; |
|
$name=$1; |
|
$value=''; |
|
if ($lines[$i]=~/filename\=\"([^\"]+)\"/i) { |
|
$fname=$1; |
|
if |
|
($lines[$i+1]=~/Content\-Type\:\s*([\w\-\/]+)/i) { |
|
$fmime=$1; |
|
$i++; |
|
} else { |
|
$fmime=''; |
|
} |
|
} else { |
|
$fname=''; |
|
$fmime=''; |
|
} |
|
if ($i<$#lines && $lines[$i+1]=~/^Content\-Type\:\s*([\w\-\/]+)/i) { |
|
# TODO: something with $1 ! |
|
$i++; |
|
} |
|
if ($i<$#lines && $lines[$i+1]=~/^Content\-transfer\-encoding\:\s*([\w\-\/]+)/i) { |
|
# TODO: something with $1 ! |
|
$i++; |
|
} |
|
$i++; |
|
} |
|
} else { |
|
$value.=$lines[$i]."\n"; |
|
} |
|
} |
|
} |
|
# |
|
# Digested POSTed values |
|
# |
|
# Remember the way this was originally done (GET or POST) |
|
# |
|
$env{'request.method'}=$ENV{'REQUEST_METHOD'}; |
|
# |
|
# There may also be stuff in the query string |
|
# Tell subsequent handlers that this was GET, not POST, so they can access query string. |
|
# Also, unset POSTed content length to cover all tracks. |
|
# |
|
|
|
$r->method_number(M_GET); |
|
|
|
$r->method('GET'); |
|
$r->headers_in->unset('Content-length'); |
|
} |
|
|
|
=pod |
|
|
|
=over |
|
|
|
=item upload_size_allowed() |
|
|
|
Perform size checks for file uploads to essayresponse items in course context. |
|
|
|
Add form.HWFILESIZE.$part_$id to %env with file size (MB) |
|
If file exceeds maximum allowed size, add form.HWFILETOOBIG.$part_$id to %env. |
|
|
|
=cut |
|
|
|
sub upload_size_allowed { |
|
my ($name,$size,$fname) = @_; |
|
if ($name =~ /^HWFILE(\w+)$/) { |
|
my $ident = $1; |
|
my $item = 'HWFILESIZE'.$ident; |
|
my $savesize = sprintf("%.6f",$size); |
|
&Apache::loncommon::add_to_env("form.$item",$savesize); |
|
my $maxsize= &Apache::lonnet::EXT("resource.$ident.maxfilesize"); |
|
if (!$maxsize) { |
|
$maxsize = 10.0; # FIXME This should become a domain configuration. |
|
} |
|
if ($size > $maxsize) { |
|
my $warn = 'HWFILETOOBIG'.$ident; |
|
&Apache::loncommon::add_to_env("form.$warn",$fname); |
|
return; |
|
} |
|
} |
|
return 'ok'; |
|
} |
|
|
|
=pod |
|
|
|
=item sso_login() |
|
|
|
handle the case of the single sign on user, at this point $r->user |
|
will be set and valid; now need to find the loncapa user info, and possibly |
|
balance them. If $r->user() is set this means either it was either set by |
|
SSO or by checkauthen.pm, if a valid cookie was found. The latter case can |
|
be identified by the third arg ($usename), except when lonacc is called in |
|
an internal redirect to /adm/switchserver (e.g., load-balancing following |
|
successful authentication) -- no cookie set yet. For that particular case |
|
simply skip the call to sso_login(). |
|
|
|
returns OK if it was SSO and user was handled. |
|
returns undef if not SSO or no means to handle the user. |
|
|
|
=cut |
|
|
|
sub sso_login { |
|
my ($r,$handle,$username) = @_; |
|
|
|
if (($r->user eq '') || ($username ne '') || ($r->user eq 'public:public') || |
|
(defined($env{'user.name'}) && (defined($env{'user.domain'})) |
|
&& ($handle ne ''))) { |
|
# not an SSO case or already logged in |
|
return undef; |
|
} |
|
|
|
my ($user) = ($r->user =~ m/^($match_username)$/); |
|
if ($user eq '') { |
|
return undef; |
|
} |
|
|
|
my $query = $r->args; |
|
my %form; |
|
if ($query) { |
|
my @items = ('role','symb','iptoken'); |
|
&Apache::loncommon::get_unprocessed_cgi($query,\@items); |
|
foreach my $item (@items) { |
|
if (defined($env{'form.'.$item})) { |
|
$form{$item} = $env{'form.'.$item}; |
|
} |
|
} |
|
} |
|
|
|
my %sessiondata; |
|
if ($form{'iptoken'}) { |
|
%sessiondata = &Apache::lonnet::tmpget($form{'iptoken'}); |
|
my $delete = &Apache::lonnet::tmpdel($form{'iptoken'}); |
|
unless ($sessiondata{'sessionserver'}) { |
|
delete($form{'iptoken'}); |
|
} |
|
} |
|
|
|
my $domain = $r->dir_config('lonSSOUserDomain'); |
|
if ($domain eq '') { |
|
$domain = $r->dir_config('lonDefDomain'); |
|
} |
|
my $home=&Apache::lonnet::homeserver($user,$domain); |
|
if ($home !~ /(con_lost|no_host|no_such_host)/) { |
|
&Apache::lonnet::logthis(" SSO authorized user $user "); |
|
my ($is_balancer,$otherserver,$hosthere); |
|
if ($form{'iptoken'}) { |
|
if (($sessiondata{'domain'} eq $domain) && |
|
($sessiondata{'username'} eq $user)) { |
|
$hosthere = 1; |
|
} |
|
} |
|
unless ($hosthere) { |
|
($is_balancer,$otherserver) = |
|
&Apache::lonnet::check_loadbalancing($user,$domain,'login'); |
|
if ($is_balancer) { |
|
# Check if browser sent a LON-CAPA load balancer cookie (and this is a balancer) |
|
my ($found_server,$balancer_cookie) = &Apache::lonnet::check_for_balancer_cookie($r); |
|
if (($found_server) && ($balancer_cookie =~ /^\Q$domain\E_\Q$user\E_/)) { |
|
$otherserver = $found_server; |
|
} elsif ($otherserver eq '') { |
|
my $lowest_load; |
|
($otherserver,undef,undef,undef,$lowest_load) = &Apache::lonnet::choose_server($domain); |
|
if ($lowest_load > 100) { |
|
$otherserver = &Apache::lonnet::spareserver($lowest_load,$lowest_load,1,$domain); |
|
} |
|
if ($otherserver ne '') { |
|
my @hosts = &Apache::lonnet::current_machine_ids(); |
|
if (grep(/^\Q$otherserver\E$/,@hosts)) { |
|
$hosthere = $otherserver; |
|
} |
|
} |
|
} |
|
} |
|
} |
|
if (($is_balancer) && (!$hosthere)) { |
|
# login but immediately go to switch server to find us a new |
|
# machine |
|
&Apache::lonauth::success($r,$user,$domain,$home,'noredirect'); |
|
foreach my $item (keys(%form)) { |
|
$env{'form.'.$item} = $form{$item}; |
|
} |
|
unless ($form{'symb'}) { |
|
unless (($r->uri eq '/adm/roles') || ($r->uri eq '/adm/sso')) { |
|
$env{'form.origurl'} = $r->uri; |
|
} |
|
} |
|
$env{'request.sso.login'} = 1; |
|
if (defined($r->dir_config("lonSSOReloginServer"))) { |
|
$env{'request.sso.reloginserver'} = |
|
$r->dir_config('lonSSOReloginServer'); |
|
} |
|
my $redirecturl = '/adm/switchserver'; |
|
if ($otherserver ne '') { |
|
$redirecturl .= '?otherserver='.$otherserver; |
|
} |
|
$r->internal_redirect($redirecturl); |
|
$r->set_handlers('PerlHandler'=> undef); |
|
} else { |
|
# need to login them in, so generate the need data that |
|
# migrate expects to do login |
|
my $ip = $r->get_remote_host(); |
|
my %info=('ip' => $ip, |
|
'domain' => $domain, |
|
'username' => $user, |
|
'server' => $r->dir_config('lonHostID'), |
|
'sso.login' => 1 |
|
); |
|
foreach my $item ('role','symb','iptoken') { |
|
if (exists($form{$item})) { |
|
$info{$item} = $form{$item}; |
|
} |
|
} |
|
unless ($info{'symb'}) { |
|
unless (($r->uri eq '/adm/roles') || ($r->uri eq '/adm/sso')) { |
|
$info{'origurl'} = $r->uri; |
|
} |
|
} |
|
if ($r->dir_config("ssodirecturl") == 1) { |
|
$info{'origurl'} = $r->uri; |
|
} |
|
if (defined($r->dir_config("lonSSOReloginServer"))) { |
|
$info{'sso.reloginserver'} = |
|
$r->dir_config('lonSSOReloginServer'); |
|
} |
|
if (($is_balancer) && ($hosthere)) { |
|
$info{'noloadbalance'} = $hosthere; |
|
} |
|
my $token = |
|
&Apache::lonnet::tmpput(\%info, |
|
$r->dir_config('lonHostID')); |
|
$env{'form.token'} = $token; |
|
$r->internal_redirect('/adm/migrateuser'); |
|
$r->set_handlers('PerlHandler'=> undef); |
|
} |
|
return OK; |
|
} else { |
|
&Apache::lonnet::logthis(" SSO authorized unknown user $user "); |
|
my @cancreate; |
|
my %domconfig = |
|
&Apache::lonnet::get_dom('configuration',['usercreation'],$domain); |
|
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 = ($domconfig{'usercreation'}{'cancreate'}{'selfcreate'}); |
|
} |
|
} |
|
} |
|
if ((grep(/^sso$/,@cancreate)) || (defined($r->dir_config('lonSSOUserUnknownRedirect')))) { |
|
$r->subprocess_env->set('SSOUserUnknown' => $user); |
|
$r->subprocess_env->set('SSOUserDomain' => $domain); |
|
if (grep(/^sso$/,@cancreate)) { |
|
$r->set_handlers('PerlHandler'=> [\&Apache::createaccount::handler]); |
|
$r->handler('perl-script'); |
|
} else { |
|
$r->internal_redirect($r->dir_config('lonSSOUserUnknownRedirect')); |
|
$r->set_handlers('PerlHandler'=> undef); |
|
} |
|
return OK; |
|
} |
|
} |
|
return undef; |
|
} |
|
|
|
sub handler { |
|
my $r = shift; |
|
my $requrl=$r->uri; |
|
|
|
if ($requrl =~ m{^/res/adm/pages/[^/]+\.(gif|png)$}) { |
|
return OK; |
|
} |
|
|
|
if (&Apache::lonnet::is_domainimage($requrl)) { |
|
return OK; |
|
} |
|
|
|
my %user; |
|
my $handle = &Apache::lonnet::check_for_valid_session($r,undef,\%user); |
|
|
|
unless (($requrl eq '/adm/switchserver') && (!$r->is_initial_req())) { |
|
my $result = &sso_login($r,$handle,$user{'name'}); |
|
if (defined($result)) { |
|
return $result; |
|
} |
|
} |
|
|
|
my ($is_balancer,$otherserver); |
|
|
|
if ($handle eq '') { |
|
unless ((($requrl eq '/adm/switchserver') && (!$r->is_initial_req())) || |
|
($requrl =~ m{^/public/$match_domain/$match_courseid/syllabus}) || |
|
($requrl =~ m{^/adm/help/}) || |
|
($requrl =~ m{^/res/$match_domain/$match_username/})) { |
|
$r->log_reason("Cookie not valid", $r->filename); |
|
} |
|
} elsif ($handle ne '') { |
|
|
|
# ------------------------------------------------------ Initialize Environment |
|
my $lonidsdir=$r->dir_config('lonIDsDir'); |
|
&Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle); |
|
|
|
# --------------------------------------------------------- Initialize Language |
|
|
|
&Apache::lonlocal::get_language_handle($r); |
|
|
|
} |
|
|
|
# -------------------------------------------------- Should be a valid user now |
|
if ($env{'user.name'} ne '' && $env{'user.domain'} ne '') { |
|
# -------------------------------------------------------------- Resource State |
|
|
|
my ($cdom,$cnum); |
|
if ($env{'request.course.id'}) { |
|
$cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; |
|
$cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; |
|
} |
|
if ($requrl=~/^\/+(res|uploaded)\//) { |
|
$env{'request.state'} = "published"; |
|
} else { |
|
$env{'request.state'} = 'unknown'; |
|
} |
|
$env{'request.filename'} = $r->filename; |
|
$env{'request.noversionuri'} = &Apache::lonnet::deversion($requrl); |
|
my ($suppext,$checkabsolute); |
|
if ($requrl =~ m{^/adm/wrapper/ext/}) { |
|
my $query = $r->args; |
|
if ($query) { |
|
my $preserved; |
|
foreach my $pair (split(/&/,$query)) { |
|
my ($name, $value) = split(/=/,$pair); |
|
unless (($name eq 'symb') || ($name eq 'usehttp')) { |
|
$preserved .= $pair.'&'; |
|
} |
|
if (($env{'request.course.id'}) && ($name eq 'folderpath')) { |
|
if ($value =~ /^supplemental/) { |
|
$suppext = 1; |
|
} |
|
} |
|
} |
|
$preserved =~ s/\&$//; |
|
if ($preserved) { |
|
$env{'request.external.querystring'} = $preserved; |
|
} |
|
} |
|
if ($env{'request.course.id'}) { |
|
$checkabsolute = 1; |
|
} |
|
} elsif ($env{'request.course.id'} && |
|
(($requrl =~ m{^/adm/$match_domain/$match_username/aboutme$}) || |
|
($requrl eq "/public/$cdom/$cnum/syllabus") || |
|
($requrl =~ m{^/adm/$cdom/$cnum/\d+/ext\.tool$}))) { |
|
my $query = $r->args; |
|
if ($query) { |
|
foreach my $pair (split(/&/,$query)) { |
|
my ($name, $value) = split(/=/,$pair); |
|
if ($name eq 'folderpath') { |
|
if ($value =~ /^supplemental/) { |
|
$suppext = 1; |
|
} |
|
} |
|
} |
|
} |
|
if ($requrl =~ m{^/public/$cdom/$cnum/syllabus$}) { |
|
$checkabsolute = 1; |
|
} |
|
} |
|
if ($checkabsolute) { |
|
my $hostname = $r->hostname(); |
|
my $lonhost = &Apache::lonnet::host_from_dns($hostname); |
|
if ($lonhost) { |
|
my $actual = &Apache::lonnet::absolute_url($hostname); |
|
my $exphostname = &Apache::lonnet::hostname($lonhost); |
|
my $expected = $Apache::lonnet::protocol{$lonhost}.'://'.$hostname; |
|
unless ($actual eq $expected) { |
|
$env{'request.use_absolute'} = $expected; |
|
} |
|
} |
|
} |
|
# -------------------------------------------------------- Load POST parameters |
|
|
|
&Apache::lonacc::get_posted_cgi($r); |
|
|
|
# ------------------------------------------------------ Check if load balancer |
|
|
|
my $checkexempt; |
|
if ($env{'user.loadbalexempt'} eq $r->dir_config('lonHostID')) { |
|
if ($env{'user.loadbalcheck.time'} + 600 > time) { |
|
$checkexempt = 1; |
|
} |
|
} |
|
if ($env{'user.noloadbalance'} eq $r->dir_config('lonHostID')) { |
|
$checkexempt = 1; |
|
} |
|
unless ($checkexempt) { |
|
($is_balancer,$otherserver) = |
|
&Apache::lonnet::check_loadbalancing($env{'user.name'}, |
|
$env{'user.domain'}); |
|
if ($is_balancer) { |
|
unless (($requrl eq '/adm/switchserver') && (!$r->is_initial_req())) { |
|
# Check if browser sent a LON-CAPA load balancer cookie (and this is a balancer) |
|
my ($found_server,$balancer_cookie) = &Apache::lonnet::check_for_balancer_cookie($r); |
|
if (($found_server) && ($balancer_cookie =~ /^\Q$env{'user.domain'}\E_\Q$env{'user.name'}\E_/)) { |
|
$otherserver = $found_server; |
|
} |
|
} |
|
} |
|
} |
|
if ($is_balancer) { |
|
unless (($requrl eq '/adm/switchserver') && (!$r->is_initial_req())) { |
|
$r->set_handlers('PerlResponseHandler'=> |
|
[\&Apache::switchserver::handler]); |
|
if ($otherserver ne '') { |
|
$env{'form.otherserver'} = $otherserver; |
|
} |
|
} |
|
unless (($env{'form.origurl'}) || ($r->uri eq '/adm/roles') || |
|
($r->uri eq '/adm/switchserver') || ($r->uri eq '/adm/sso')) { |
|
$env{'form.origurl'} = $r->uri; |
|
} |
|
} |
|
if ($requrl=~m{^/+tiny/+$match_domain/+\w+$}) { |
|
return OK; |
|
} |
|
# ---------------------------------------------------------------- Check access |
|
my $now = time; |
|
if ($requrl !~ m{^/(?:adm|public|prtspool)/} |
|
|| $requrl =~ /^\/adm\/.*\/(smppg|bulletinboard)(\?|$ )/x) { |
|
my $access=&Apache::lonnet::allowed('bre',$requrl); |
|
if ($handle eq '') { |
|
unless ($access eq 'F') { |
|
if ($requrl =~ m{^/res/$match_domain/$match_username/}) { |
|
$r->log_reason("Cookie not valid", $r->filename); |
|
} |
|
} |
|
} |
|
if ($access eq '1') { |
|
$env{'user.error.msg'}="$requrl:bre:0:0:Choose Course"; |
|
return HTTP_NOT_ACCEPTABLE; |
|
} |
|
if ($access eq 'A') { |
|
&Apache::restrictedaccess::setup_handler($r); |
|
return OK; |
|
} |
|
if ($access eq 'B') { |
|
&Apache::blockedaccess::setup_handler($r); |
|
return OK; |
|
} |
|
if (($access ne '2') && ($access ne 'F')) { |
|
if ($requrl =~ m{^/res/}) { |
|
$access = &Apache::lonnet::allowed('bro',$requrl); |
|
if ($access ne 'F') { |
|
if ($requrl eq '/res/lib/templates/simpleproblem.problem/smpedit') { |
|
$access = &Apache::lonnet::allowed('bre','/res/lib/templates/simpleproblem.problem'); |
|
if ($access ne 'F') { |
|
$env{'user.error.msg'}="$requrl:bre:1:1:Access Denied"; |
|
return HTTP_NOT_ACCEPTABLE; |
|
} |
|
} else { |
|
$env{'user.error.msg'}="$requrl:bre:1:1:Access Denied"; |
|
return HTTP_NOT_ACCEPTABLE; |
|
} |
|
} |
|
} elsif (($handle =~ /^publicuser_\d+$/) && (&Apache::lonnet::is_portfolio_url($requrl))) { |
|
my $clientip = $r->get_remote_host(); |
|
if (&Apache::lonnet::allowed('bre',$requrl,undef,undef,$clientip) ne 'F') { |
|
$env{'user.error.msg'}="$requrl:bre:1:1:Access Denied"; |
|
return HTTP_NOT_ACCEPTABLE; |
|
} |
|
} else { |
|
$env{'user.error.msg'}="$requrl:bre:1:1:Access Denied"; |
|
return HTTP_NOT_ACCEPTABLE; |
|
} |
|
} |
|
} |
|
if ($requrl =~ m|^/prtspool/|) { |
|
my $start='/prtspool/'.$env{'user.name'}.'_'. |
|
$env{'user.domain'}; |
|
if ($requrl !~ /^\Q$start\E/) { |
|
$env{'user.error.msg'}="$requrl:bre:1:1:Access Denied"; |
|
return HTTP_NOT_ACCEPTABLE; |
|
} |
|
} |
|
if ($requrl =~ m|^/zipspool/|) { |
|
my $start='/zipspool/zipout/'.$env{'user.name'}.":". |
|
$env{'user.domain'}; |
|
if ($requrl !~ /^\Q$start\E/) { |
|
$env{'user.error.msg'}="$requrl:bre:1:1:Access Denied"; |
|
return HTTP_NOT_ACCEPTABLE; |
|
} |
|
} |
|
if ($env{'user.name'} eq 'public' && |
|
$env{'user.domain'} eq 'public' && |
|
$requrl !~ m{^/+(res|public|uploaded)/} && |
|
$requrl !~ m{^/adm/[^/]+/[^/]+/aboutme/portfolio$ }x && |
|
$requrl !~ m{^/adm/blockingstatus/.*$} && |
|
$requrl !~ m{^/+adm/(help|logout|restrictedaccess|randomlabel\.png)}) { |
|
$env{'request.querystring'}=$r->args; |
|
$env{'request.firsturl'}=$requrl; |
|
return FORBIDDEN; |
|
} |
|
# ------------------------------------------------------------- This is allowed |
|
if ($env{'request.course.id'}) { |
|
&Apache::lonnet::countacc($requrl); |
|
$requrl=~/\.(\w+)$/; |
|
my $query=$r->args; |
|
if ((&Apache::loncommon::fileembstyle($1) eq 'ssi') || |
|
($requrl=~/^\/adm\/.*\/(aboutme|smppg|bulletinboard)(\?|$ )/x) || |
|
($requrl=~/^\/adm\/wrapper\//) || |
|
($requrl=~m|^/adm/coursedocs/showdoc/|) || |
|
($requrl=~m|\.problem/smpedit$|) || |
|
($requrl=~/^\/public\/.*\/syllabus$/) || |
|
($requrl=~/^\/adm\/(viewclasslist|navmaps)$/) || |
|
($requrl=~/^\/adm\/.*\/aboutme\/portfolio(\?|$)/) || |
|
($requrl=~m{^/adm/$cdom/$cnum/\d+/ext\.tool$})) { |
|
# ------------------------------------- This is serious stuff, get symb and log |
|
my $symb; |
|
if ($query) { |
|
&Apache::loncommon::get_unprocessed_cgi($query,['symb','folderpath']); |
|
} |
|
if ($env{'form.symb'}) { |
|
$symb=&Apache::lonnet::symbclean($env{'form.symb'}); |
|
if ($requrl =~ m|^/adm/wrapper/| |
|
|| $requrl =~ m|^/adm/coursedocs/showdoc/|) { |
|
my ($map,$mid,$murl)=&Apache::lonnet::decode_symb($symb); |
|
&Apache::lonnet::symblist($map,$murl => [$murl,$mid], |
|
'last_known' =>[$murl,$mid]); |
|
} elsif ((&Apache::lonnet::symbverify($symb,$requrl)) || |
|
(($requrl=~m|(.*)/smpedit$|) && |
|
&Apache::lonnet::symbverify($symb,$1)) || |
|
(($requrl=~m|(.*/aboutme)/portfolio$|) && |
|
&Apache::lonnet::symbverify($symb,$1))) { |
|
my ($map,$mid,$murl)=&Apache::lonnet::decode_symb($symb); |
|
&Apache::lonnet::symblist($map,$murl => [$murl,$mid], |
|
'last_known' =>[$murl,$mid]); |
|
} else { |
|
$r->log_reason('Invalid symb for '.$requrl.': '. |
|
$symb); |
|
$env{'user.error.msg'}= |
|
"$requrl:bre:1:1:Invalid Access"; |
|
return HTTP_NOT_ACCEPTABLE; |
|
} |
|
} else { |
|
if ($requrl=~m{^(/adm/.*/aboutme)/portfolio$}) { |
|
$requrl = $1; |
|
} |
|
unless ($suppext) { |
|
$symb=&Apache::lonnet::symbread($requrl); |
|
if (&Apache::lonnet::is_on_map($requrl) && $symb && |
|
!&Apache::lonnet::symbverify($symb,$requrl)) { |
|
$r->log_reason('Invalid symb for '.$requrl.': '.$symb); |
|
$env{'user.error.msg'}= |
|
"$requrl:bre:1:1:Invalid Access"; |
|
return HTTP_NOT_ACCEPTABLE; |
|
} |
|
if ($symb) { |
|
my ($map,$mid,$murl)= |
|
&Apache::lonnet::decode_symb($symb); |
|
&Apache::lonnet::symblist($map,$murl =>[$murl,$mid], |
|
'last_known' =>[$murl,$mid]); |
|
} |
|
} |
|
} |
|
$env{'request.symb'}=$symb; |
|
&Apache::lonnet::courseacclog($symb); |
|
} else { |
|
# ------------------------------------------------------- This is other content |
|
&Apache::lonnet::courseacclog($requrl); |
|
} |
|
if ($requrl =~ m{^/+uploaded/\Q$cdom\E/\Q$cnum\E/(docs|supplemental)/.+\.html?$}) { |
|
if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) { |
|
if ($query) { |
|
&Apache::loncommon::get_unprocessed_cgi($query,['forceedit']); |
|
if ($env{'form.forceedit'}) { |
|
$env{'request.state'} = 'edit'; |
|
} |
|
} |
|
} |
|
} elsif ($requrl =~ m{^/+uploaded/\Q$cdom\E/\Q$cnum\E/portfolio/syllabus/.+\.html?$}) { |
|
if (&Apache::lonnet::allowed('mdc',$env{'request.course.id'})) { |
|
if ($query) { |
|
&Apache::loncommon::get_unprocessed_cgi($query,['forceedit','editmode']); |
|
if (($env{'form.forceedit'}) || ($env{'form.editmode'})) { |
|
$env{'request.state'} = 'edit'; |
|
} |
|
} |
|
} |
|
} |
|
} |
|
return OK; |
|
} else { |
|
my $defdom=$r->dir_config('lonDefDomain'); |
|
($is_balancer,$otherserver) = |
|
&Apache::lonnet::check_loadbalancing(undef,$defdom); |
|
if ($is_balancer) { |
|
$r->set_handlers('PerlResponseHandler'=> |
|
[\&Apache::switchserver::handler]); |
|
if ($otherserver ne '') { |
|
$env{'form.otherserver'} = $otherserver; |
|
} |
|
} |
|
} |
|
# -------------------------------------------- See if this is a public resource |
|
if ($requrl=~m|^/+adm/+help/+|) { |
|
return OK; |
|
} |
|
# ------------------------------------ See if this is a viewable portfolio file |
|
if (&Apache::lonnet::is_portfolio_url($requrl)) { |
|
my $clientip = $r->get_remote_host(); |
|
my $access=&Apache::lonnet::allowed('bre',$requrl,undef,undef,$clientip); |
|
if ($access eq 'A') { |
|
&Apache::restrictedaccess::setup_handler($r); |
|
return OK; |
|
} |
|
if (($access ne '2') && ($access ne 'F')) { |
|
$env{'user.error.msg'}="$requrl:bre:1:1:Access Denied"; |
|
return HTTP_NOT_ACCEPTABLE; |
|
} |
|
} |
|
|
|
# -------------------------------------------------------------- Not authorized |
|
$requrl=~/\.(\w+)$/; |
|
# if ((&Apache::loncommon::fileembstyle($1) eq 'ssi') || |
|
# ($requrl=~/^\/adm\/(roles|logout|email|menu|remote)/) || |
|
# ($requrl=~m|^/prtspool/|)) { |
|
# -------------------------- Store where they wanted to go and get login screen |
|
$env{'request.querystring'}=$r->args; |
|
$env{'request.firsturl'}=$requrl; |
|
return FORBIDDEN; |
|
# } else { |
|
# --------------------------------------------------------------------- Goodbye |
|
# return HTTP_BAD_REQUEST; |
|
# } |
|
} |
|
|
|
1; |
|
__END__ |
|
|
|
=pod |
|
|
|
=back |
|
|
=cut |
=cut |
|
|