version 1.35, 2004/08/23 18:57:16
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version 1.55, 2011/10/24 22:39:14
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# |
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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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use Apache::lonlocal; |
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use Apache::lonnet(); |
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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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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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my $capriv='user.priv.ca./'.$domain.'/'.$ownername.'./'; |
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foreach (keys %ENV) { |
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if ($_ eq $capriv) { |
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return ($ownername,$domain); |
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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 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 $cookie; |
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&Apache::lonnet::logthis("Wha? cookie"); |
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if ($lonid) { |
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&Apache::lonnet::logthis("Valid cookie"); |
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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") && ($handle ne '')) { |
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# ------------------------------------------------------ Initialize Environment |
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&Apache::lonnet::transfer_profile_to_env($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,$r->dir_config('lonDefDomain'))) { |
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$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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&Apache::loncommon::get_posted_cgi($r); |
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return OK; |
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} else { |
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&Apache::lonnet::logthis("Invalid cookie"); |
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$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'}=$requrl; |
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return FORBIDDEN; |
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} |
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1; |
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__END__ |
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=head1 NAME |
=head1 NAME |
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Line 178 store where they wanted to go (first url
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Line 73 store where they wanted to go (first url
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=head1 OTHERSUBROUTINES |
=head1 OTHERSUBROUTINES |
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=over 4 |
=over |
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=item * |
=item constructaccess($url,$setpriv) |
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constructaccess($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,$ownerdomain). Else, return null string. |
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If 'setpriv' is set to 'setpriv', it actually assigns the privileges. |
=back |
=back |
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=cut |
=cut |
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package Apache::loncacc; |
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use strict; |
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use Apache::Constants qw(:common :http :methods REDIRECT); |
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use Fcntl qw(:flock); |
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use Apache::lonlocal; |
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use Apache::lonnet; |
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use Apache::lonacc; |
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use LONCAPA qw(:DEFAULT :match); |
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sub constructaccess { |
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my ($url,$setpriv)=@_; |
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# We do not allow editing of previous versions of files |
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if ($url=~/\.(\d+)\.(\w+)$/) { return ''; } |
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# Get username and domain from URL |
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my ($ownerdomain,$ownername)=($url=~/^\/priv\/($match_domain)\/($match_username)\//); |
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# The URL does not really point to any authorspace, forget it |
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unless (($ownername) && ($ownerdomain)) { return ''; } |
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# Now we need to see if the user has access to the authorspace of |
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# $ownername at $ownerdomain |
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if (($ownername eq $env{'user.name'}) && ($ownerdomain eq $env{'user.domain'})) { |
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# Real author for this? |
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if (exists($env{'user.priv.au./'.$ownerdomain.'/./'})) { |
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return ($ownername,$ownerdomain); |
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} |
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} else { |
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# Co-author for this? |
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if (exists($env{'user.priv.ca./'.$ownerdomain.'/'.$ownername.'./'}) || |
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exists($env{'user.priv.aa./'.$ownerdomain.'/'.$ownername.'./'}) ) { |
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return ($ownername,$ownerdomain); |
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} |
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} |
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# We don't have any access right now. If we are not possibly going to do anything about this, |
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# we might as well leave |
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unless ($setpriv) { return ''; } |
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# Backdoor access? |
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my $allowed=&Apache::lonnet::allowed('eco',$ownerdomain); |
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# Nope |
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unless ($allowed) { return ''; } |
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# Looks like we may have access, but could be locked by the owner of the construction space |
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if ($allowed eq 'U') { |
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my %blocked=&Apache::lonnet::get('environment',['domcoord.author'], |
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$ownerdomain,$ownername); |
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# Is blocked by owner |
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if ($blocked{'domcoord.author'} eq 'blocked') { return ''; } |
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} |
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if (($allowed eq 'F') || ($allowed eq 'U')) { |
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# Grant temporary access |
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my $then=$env{'user.login.time'}; |
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my $update==$env{'user.update.time'}; |
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if (!$update) { $update = $then; } |
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my $refresh=$env{'user.refresh.time'}; |
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if (!$refresh) { $refresh = $update; } |
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my $now = time; |
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&Apache::lonnet::check_adhoc_privs($ownerdomain,$ownername, |
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$update,$refresh,$now,'ca', |
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'constructaccess'); |
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return($ownername,$ownerdomain); |
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} |
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# No business here |
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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 $handle = &Apache::lonnet::check_for_valid_session($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,'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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