version 1.48, 2008/11/19 17:38:21
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version 1.54, 2011/10/21 16:03:11
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Line 97 use Apache::lonacc;
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Line 97 use Apache::lonacc;
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use LONCAPA qw(:DEFAULT :match); |
use LONCAPA qw(:DEFAULT :match); |
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sub constructaccess { |
sub constructaccess { |
my ($url,$ownerdomain)=@_; |
my ($url,$setpriv)=@_; |
my ($ownername)=($url=~/\/(?:\~|priv\/|home\/)($match_username)\//); |
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unless (($ownername) && ($ownerdomain)) { return ''; } |
# We do not allow editing of previous versions of files |
# We do not allow editing of previous versions of files. |
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if ($url=~/\.(\d+)\.(\w+)$/) { return ''; } |
if ($url=~/\.(\d+)\.(\w+)$/) { return ''; } |
my @possibledomains = &Apache::lonnet::current_machine_domains(); |
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if ($ownername eq $env{'user.name'}) { |
# Get username and domain from URL |
foreach my $domain (@possibledomains) { |
my ($ownerdomain,$ownername)=($url=~/^\/priv\/($match_domain)\/($match_username)\//); |
if ($domain eq $env{'user.domain'}) { |
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return ($ownername,$domain); |
# The URL does not really point to any authorspace, forget it |
} |
unless (($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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# We don't have any access right now. If we are not possibly going to do anything about this, |
foreach my $domain (@possibledomains) { |
# we might as well leave |
if (exists($env{'user.priv.ca./'.$domain.'/'.$ownername.'./'}) || |
unless ($setpriv) { return ''; } |
exists($env{'user.priv.aa./'.$domain.'/'.$ownername.'./'}) ) { |
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return ($ownername,$domain); |
# Backdoor access? |
} |
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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# No business here |
return ''; |
return ''; |
} |
} |
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Line 141 sub handler {
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Line 176 sub handler {
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$env{'request.state'} = "construct"; |
$env{'request.state'} = "construct"; |
$env{'request.filename'} = $r->filename; |
$env{'request.filename'} = $r->filename; |
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unless (&constructaccess($requrl,$r->dir_config('lonDefDomain'))) { |
unless (&constructaccess($requrl,'setpriv')) { |
$r->log_reason("Unauthorized $requrl", $r->filename); |
$r->log_reason("Unauthorized $requrl", $r->filename); |
return HTTP_NOT_ACCEPTABLE; |
return HTTP_NOT_ACCEPTABLE; |
} |
} |