version 1.26, 2003/04/03 21:32:23
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version 1.49, 2009/04/11 21:42:58
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# |
# |
# http://www.lon-capa.org/ |
# http://www.lon-capa.org/ |
# |
# |
# YEAR=2000 |
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# 6/15,16/11,22/11, |
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# YEAR=2001 |
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# 01/06,01/11,6/1,9/25,9/28,11/22,12/25,12/26, |
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# 01/06/01,05/04,05/05,05/09 Gerd Kortemeyer |
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# YEAR=2002 |
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# 1/4 Gerd Kortemeyer |
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### |
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package Apache::loncacc; |
=pod |
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use strict; |
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use Apache::Constants qw(:common :http :methods REDIRECT); |
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use Apache::File; |
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use CGI::Cookie(); |
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use Fcntl qw(:flock); |
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sub constructaccess { |
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my ($url,$ownerdomain)=@_; |
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my ($ownername)=($url=~/\/(?:\~|priv\/|home\/)(\w+)/); |
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unless (($ownername) && ($ownerdomain)) { return ''; } |
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# We do not allow editing of previous versions of files. |
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if ($url=~/\.(\d+)\.(\w+)$/) { return ''; } |
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if (($ownername eq $ENV{'user.name'}) && |
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($ownerdomain eq $ENV{'user.domain'})) { |
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return ($ownername,$ownerdomain); |
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} |
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my $capriv='user.priv.ca./'. |
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$ownerdomain.'/'.$ownername.'./'. |
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$ownerdomain.'/'.$ownername; |
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foreach (keys %ENV) { |
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if ($_ eq $capriv) { |
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return ($ownername,$ownerdomain); |
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} |
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} |
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return ''; |
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} |
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sub handler { |
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my $r = shift; |
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my $requrl=$r->uri; |
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$ENV{'request.editurl'}=$requrl; |
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my %cookies=CGI::Cookie->parse($r->header_in('Cookie')); |
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my $lonid=$cookies{'lonID'}; |
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my $cookie; |
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if ($lonid) { |
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my $handle=$lonid->value; |
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$handle=~s/\W//g; |
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my $lonidsdir=$r->dir_config('lonIDsDir'); |
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if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) { |
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my @profile; |
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{ |
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my $idf=Apache::File->new("$lonidsdir/$handle.id"); |
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flock($idf,LOCK_SH); |
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@profile=<$idf>; |
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$idf->close(); |
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} |
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my $envi; |
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for ($envi=0;$envi<=$#profile;$envi++) { |
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chomp($profile[$envi]); |
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my ($envname,$envvalue)=split(/=/,$profile[$envi]); |
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$ENV{$envname} = $envvalue; |
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} |
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$ENV{'user.environment'} = "$lonidsdir/$handle.id"; |
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$ENV{'request.state'} = "construct"; |
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$ENV{'request.filename'} = $r->filename; |
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unless (&constructaccess($requrl,$r->dir_config('lonDefDomain'))) { |
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$r->log_reason("Unauthorized $requrl", $r->filename); |
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return HTTP_NOT_ACCEPTABLE; |
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} |
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# Construction space needs Remote to work |
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if ($ENV{'environment.remote'} eq 'off') { |
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$r->content_type('text/html'); |
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$r->header_out(Location => |
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'http://'.$r->server->server_hostname. |
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'/adm/remote?action=launch&url='. |
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&Apache::lonnet::escape($requrl)); |
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return REDIRECT; |
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} |
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# -------------------------------------------------------- Load POST parameters |
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my $buffer; |
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$r->read($buffer,$r->header_in('Content-length')); |
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unless ($buffer=~/^(\-+\w+)\s+Content\-Disposition\:\s*form\-data/si) { |
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my @pairs=split(/&/,$buffer); |
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my $pair; |
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foreach $pair (@pairs) { |
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my ($name,$value) = split(/=/,$pair); |
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$value =~ tr/+/ /; |
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$value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
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$name =~ tr/+/ /; |
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$name =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; |
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&Apache::loncommon::add_to_env("form.$name",$value); |
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} |
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} else { |
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my $contentsep=$1; |
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my @lines = split (/\n/,$buffer); |
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my $name=''; |
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my $value=''; |
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my $fname=''; |
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my $fmime=''; |
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my $i; |
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for ($i=0;$i<=$#lines;$i++) { |
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if ($lines[$i]=~/^$contentsep/) { |
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if ($name) { |
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chomp($value); |
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if ($fname) { |
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$ENV{"form.$name.filename"}=$fname; |
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$ENV{"form.$name.mimetype"}=$fmime; |
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} else { |
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$value=~s/\s+$//s; |
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} |
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&Apache::loncommon::add_to_env("form.$name",$value); |
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} |
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if ($i<$#lines) { |
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$i++; |
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$lines[$i]=~ |
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/Content\-Disposition\:\s*form\-data\;\s*name\=\"([^\"]+)\"/i; |
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$name=$1; |
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$value=''; |
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if ($lines[$i]=~/filename\=\"([^\"]+)\"/i) { |
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$fname=$1; |
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if |
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($lines[$i+1]=~/Content\-Type\:\s*([\w\-\/]+)/i) { |
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$fmime=$1; |
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$i++; |
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} else { |
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$fmime=''; |
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} |
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} else { |
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$fname=''; |
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$fmime=''; |
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} |
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$i++; |
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} |
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} else { |
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$value.=$lines[$i]."\n"; |
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} |
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} |
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} |
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$ENV{'request.method'}=$ENV{'REQUEST_METHOD'}; |
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$r->method_number(M_GET); |
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$r->method('GET'); |
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$r->headers_in->unset('Content-length'); |
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return OK; |
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} else { |
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$r->log_reason("Cookie $handle not valid", $r->filename) |
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}; |
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} |
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# ----------------------------------------------- Store where they wanted to go |
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$ENV{'request.firsturl'}=$requrl; |
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return FORBIDDEN; |
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} |
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1; |
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__END__ |
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=head1 NAME |
=head1 NAME |
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Line 237 store where they wanted to go (first url
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Line 73 store where they wanted to go (first url
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=head1 OTHERSUBROUTINES |
=head1 OTHERSUBROUTINES |
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=over 4 |
=over |
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=item * |
=item constructaccess($url,$ownerdomain) |
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constructaccess($url,$ownerdomain) : See if the owner domain and name |
See if the owner domain and name |
in the URL match those in the expected environment. If so, return |
in the URL match those in the expected environment. If so, return |
two element list ($ownername,$ownerdomain). Else, return null string. |
two element list ($ownername,$ownerdomain). Else, return null string. |
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Line 250 two element list ($ownername,$ownerdomai
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Line 86 two element list ($ownername,$ownerdomai
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=cut |
=cut |
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package Apache::loncacc; |
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use strict; |
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use Apache::Constants qw(:common :http :methods REDIRECT); |
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use Fcntl qw(:flock); |
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use Apache::lonlocal; |
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use Apache::lonnet; |
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use Apache::lonacc; |
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use LONCAPA qw(:DEFAULT :match); |
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sub constructaccess { |
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my ($url,$ownerdomain,$setpriv)=@_; |
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my ($ownername)=($url=~/\/(?:\~|priv\/|home\/)($match_username)\//); |
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unless (($ownername) && ($ownerdomain)) { return ''; } |
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# We do not allow editing of previous versions of files. |
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if ($url=~/\.(\d+)\.(\w+)$/) { return ''; } |
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my @possibledomains = &Apache::lonnet::current_machine_domains(); |
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if ($ownername eq $env{'user.name'}) { |
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foreach my $domain (@possibledomains) { |
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if ($domain eq $env{'user.domain'}) { |
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return ($ownername,$domain); |
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} |
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} |
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} |
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foreach my $domain (@possibledomains) { |
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if (exists($env{'user.priv.ca./'.$domain.'/'.$ownername.'./'}) || |
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exists($env{'user.priv.aa./'.$domain.'/'.$ownername.'./'}) ) { |
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return ($ownername,$domain); |
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} |
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} |
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my $then=$env{'user.login.time'}; |
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my %dcroles = (); |
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if (&is_active_dc($ownerdomain,$then)) { |
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my %blocked=&Apache::lonnet::get('environment',['domcoord.author'], |
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$ownerdomain,$ownername); |
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unless ($blocked{'domcoord.author'} eq 'blocked') { |
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if (grep(/^$ownerdomain$/,@possibledomains)) { |
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if ($setpriv) { |
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my $now = time; |
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&Apache::lonnet::check_adhoc_privs($ownerdomain,$ownername, |
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$then,$now,'ca'); |
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} |
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return($ownername,$ownerdomain); |
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} |
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} |
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} |
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return ''; |
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} |
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sub is_active_dc { |
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my ($ownerdomain,$then) = @_; |
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my $livedc; |
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if ($env{'user.adv'}) { |
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my $domrole = $env{'user.role.dc./'.$ownerdomain.'/'}; |
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if ($domrole) { |
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my ($tstart,$tend)=split(/\./,$domrole); |
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$livedc = 1; |
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if ($tstart && $tstart>$then) { undef($livedc); } |
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if ($tend && $tend <$then) { undef($livedc); } |
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} |
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} |
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return $livedc; |
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} |
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sub handler { |
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my $r = shift; |
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my $requrl=$r->uri; |
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$env{'request.editurl'}=$requrl; |
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my $handle = &Apache::lonnet::check_for_valid_session($r); |
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if ($handle ne '') { |
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# ------------------------------------------------------ Initialize Environment |
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my $lonidsdir=$r->dir_config('lonIDsDir'); |
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&Apache::lonnet::transfer_profile_to_env($lonidsdir,$handle); |
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# --------------------------------------------------------- Initialize Language |
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&Apache::lonlocal::get_language_handle($r); |
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# -------------------------------------------------------------- Resource State |
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$env{'request.state'} = "construct"; |
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$env{'request.filename'} = $r->filename; |
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unless (&constructaccess($requrl,$r->dir_config('lonDefDomain')),'setpriv') { |
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$r->log_reason("Unauthorized $requrl", $r->filename); |
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return HTTP_NOT_ACCEPTABLE; |
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} |
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# -------------------------------------------------------- Load POST parameters |
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&Apache::lonacc::get_posted_cgi($r); |
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return OK; |
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} else { |
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$r->log_reason("Cookie $handle not valid", $r->filename) |
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} |
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# ----------------------------------------------- Store where they wanted to go |
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$env{'request.firsturl'}=$requrl; |
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return FORBIDDEN; |
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} |
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1; |
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__END__ |
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