version 1.744, 2006/06/05 20:09:19
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version 1.758, 2006/06/26 18:56:03
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Line 281 sub critical {
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Line 281 sub critical {
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return $answer; |
return $answer; |
} |
} |
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# ------------------------------------------- check if return value is an error |
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sub error { |
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my ($result) = @_; |
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if ($result =~ /^(con_lost|no_such_host|error: (\d+) (.*))/) { |
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if ($2 == 2) { return undef; } |
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return $1; |
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} |
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return undef; |
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} |
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# ------------------------------------------- Transfer profile into environment |
# ------------------------------------------- Transfer profile into environment |
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sub transfer_profile_to_env { |
sub transfer_profile_to_env { |
Line 1874 sub get_course_adv_roles {
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Line 1885 sub get_course_adv_roles {
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(!$nothide{$username.':'.$domain})) { next; } |
(!$nothide{$username.':'.$domain})) { next; } |
if ($role eq 'cr') { next; } |
if ($role eq 'cr') { next; } |
my $key=&plaintext($role); |
my $key=&plaintext($role); |
if ($role =~ /^cr/) { |
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$key=(split('/',$role))[3]; |
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} |
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if ($section) { $key.=' (Sec/Grp '.$section.')'; } |
if ($section) { $key.=' (Sec/Grp '.$section.')'; } |
if ($returnhash{$key}) { |
if ($returnhash{$key}) { |
$returnhash{$key}.=','.$username.':'.$domain; |
$returnhash{$key}.=','.$username.':'.$domain; |
Line 2922 sub del {
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Line 2930 sub del {
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# -------------------------------------------------------------- dump interface |
# -------------------------------------------------------------- dump interface |
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sub dump { |
sub dump { |
my ($namespace,$udomain,$uname,$regexp,$range)=@_; |
my ($namespace,$udomain,$uname,$regexp,$range)=@_; |
if (!$udomain) { $udomain=$env{'user.domain'}; } |
if (!$udomain) { $udomain=$env{'user.domain'}; } |
if (!$uname) { $uname=$env{'user.name'}; } |
if (!$uname) { $uname=$env{'user.name'}; } |
my $uhome=&homeserver($uname,$udomain); |
my $uhome=&homeserver($uname,$udomain); |
if ($regexp) { |
if ($regexp) { |
$regexp=&escape($regexp); |
$regexp=&escape($regexp); |
} else { |
} else { |
$regexp='.'; |
$regexp='.'; |
} |
} |
my $rep=reply("dump:$udomain:$uname:$namespace:$regexp:$range",$uhome); |
my $rep=&reply("dump:$udomain:$uname:$namespace:$regexp:$range",$uhome); |
my @pairs=split(/\&/,$rep); |
my @pairs=split(/\&/,$rep); |
my %returnhash=(); |
my %returnhash=(); |
foreach (@pairs) { |
foreach my $item (@pairs) { |
my ($key,$value)=split(/=/,$_,2); |
my ($key,$value)=split(/=/,$item,2); |
$returnhash{unescape($key)}=&thaw_unescape($value); |
$key = &unescape($key); |
} |
next if ($key =~ /^error: 2 /); |
return %returnhash; |
$returnhash{$key}=&thaw_unescape($value); |
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} |
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return %returnhash; |
} |
} |
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# --------------------------------------------------------- dumpstore interface |
# --------------------------------------------------------- dumpstore interface |
Line 4100 sub devalidate_getgroups_cache {
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Line 4110 sub devalidate_getgroups_cache {
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sub plaintext { |
sub plaintext { |
my ($short,$type,$cid) = @_; |
my ($short,$type,$cid) = @_; |
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if ($short =~ /^cr/) { |
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return (split('/',$short))[-1]; |
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} |
if (!defined($cid)) { |
if (!defined($cid)) { |
$cid = $env{'request.course.id'}; |
$cid = $env{'request.course.id'}; |
} |
} |
Line 4555 sub is_locked {
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Line 4568 sub is_locked {
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$env{'user.domain'},$env{'user.name'}); |
$env{'user.domain'},$env{'user.name'}); |
my ($tmp)=keys(%locked); |
my ($tmp)=keys(%locked); |
if ($tmp=~/^error:/) { undef(%locked); } |
if ($tmp=~/^error:/) { undef(%locked); } |
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if (ref($locked{$file_name}) eq 'ARRAY') { |
if (ref($locked{$file_name}) eq 'ARRAY') { |
$is_locked = 'true'; |
$is_locked = 'false'; |
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foreach my $entry (@{$locked{$file_name}}) { |
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if (ref($entry) eq 'ARRAY') { |
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$is_locked = 'true'; |
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last; |
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} |
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} |
} else { |
} else { |
$is_locked = 'false'; |
$is_locked = 'false'; |
} |
} |
Line 4646 sub files_not_in_path {
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Line 4665 sub files_not_in_path {
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return (@return_files); |
return (@return_files); |
} |
} |
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#--------------------------------------------------------------Get Marked as Read Only |
#----------------------------------------------Get portfolio file permissions |
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sub get_marked_as_readonly { |
sub get_portfile_permissions { |
my ($domain,$user,$what) = @_; |
my ($domain,$user) = @_; |
my %current_permissions = &dump('file_permissions',$domain,$user); |
my %current_permissions = &dump('file_permissions',$domain,$user); |
my ($tmp)=keys(%current_permissions); |
my ($tmp)=keys(%current_permissions); |
if ($tmp=~/^error:/) { undef(%current_permissions); } |
if ($tmp=~/^error:/) { undef(%current_permissions); } |
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return \%current_permissions; |
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} |
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#---------------------------------------------Get portfolio file access controls |
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sub get_access_controls { |
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my ($current_permissions,$group,$file) = @_; |
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my %access; |
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if (defined($file)) { |
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if (ref($$current_permissions{$file."\0".'accesscontrol'}) eq 'HASH') { |
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foreach my $control (keys(%{$$current_permissions{$file."\0".'accesscontrol'}})) { |
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$access{$file}{$control} = $$current_permissions{$file."\0".$control}; |
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} |
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} |
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} else { |
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foreach my $key (keys(%{$current_permissions})) { |
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if ($key =~ /\0accesscontrol$/) { |
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if (defined($group)) { |
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if ($key !~ m-^\Q$group\E/-) { |
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next; |
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} |
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} |
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my ($fullpath) = split(/\0/,$key); |
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if (ref($$current_permissions{$key}) eq 'HASH') { |
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foreach my $control (keys(%{$$current_permissions{$key}})) { |
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$access{$fullpath}{$control}=$$current_permissions{$fullpath."\0".$control}; |
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} |
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} |
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} |
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} |
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} |
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return %access; |
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} |
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sub modify_access_controls { |
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my ($file_name,$changes,$domain,$user)=@_; |
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my ($outcome,$deloutcome); |
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my %store_permissions; |
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my %new_values; |
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my %new_control; |
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my %translation; |
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my @deletions = (); |
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my $now = time; |
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if (exists($$changes{'activate'})) { |
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if (ref($$changes{'activate'}) eq 'HASH') { |
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my @newitems = sort(keys(%{$$changes{'activate'}})); |
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my $numnew = scalar(@newitems); |
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for (my $i=0; $i<$numnew; $i++) { |
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my $newkey = $newitems[$i]; |
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my $newid = &Apache::loncommon::get_cgi_id(); |
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$newkey =~ s/^(\d+)/$newid/; |
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$translation{$1} = $newid; |
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$new_values{$file_name."\0".$newkey} = |
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$$changes{'activate'}{$newitems[$i]}; |
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$new_control{$newkey} = $now; |
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} |
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} |
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} |
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my %todelete; |
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my %changed_items; |
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foreach my $action ('delete','update') { |
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if (exists($$changes{$action})) { |
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if (ref($$changes{$action}) eq 'HASH') { |
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foreach my $key (keys(%{$$changes{$action}})) { |
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my ($itemnum) = ($key =~ /^([^:]+):/); |
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if ($action eq 'delete') { |
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$todelete{$itemnum} = 1; |
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} else { |
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$changed_items{$itemnum} = $key; |
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} |
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} |
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} |
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} |
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} |
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# get lock on access controls for file. |
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my $lockhash = { |
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$file_name."\0".'locked_access_records' => $env{'user.name'}. |
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':'.$env{'user.domain'}, |
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}; |
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my $tries = 0; |
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my $gotlock = &newput('file_permissions',$lockhash,$domain,$user); |
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while (($gotlock ne 'ok') && $tries <3) { |
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$tries ++; |
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sleep 1; |
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$gotlock = &newput('file_permissions',$lockhash,$domain,$user); |
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} |
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if ($gotlock eq 'ok') { |
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my %curr_permissions = &dump('file_permissions',$domain,$user,$file_name); |
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my ($tmp)=keys(%curr_permissions); |
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if ($tmp=~/^error:/) { undef(%curr_permissions); } |
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if (exists($curr_permissions{$file_name."\0".'accesscontrol'})) { |
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my $curr_controls = $curr_permissions{$file_name."\0".'accesscontrol'}; |
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if (ref($curr_controls) eq 'HASH') { |
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foreach my $control_item (keys(%{$curr_controls})) { |
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my ($itemnum) = ($control_item =~ /^([^:]+):/); |
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if (defined($todelete{$itemnum})) { |
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push(@deletions,$file_name."\0".$control_item); |
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} else { |
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if (defined($changed_items{$itemnum})) { |
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$new_control{$changed_items{$itemnum}} = $now; |
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push(@deletions,$file_name."\0".$control_item); |
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$new_values{$file_name."\0".$changed_items{$itemnum}} = $$changes{'update'}{$changed_items{$itemnum}}; |
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} else { |
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$new_control{$control_item} = $$curr_controls{$control_item}; |
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} |
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} |
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} |
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} |
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} |
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$deloutcome = &del('file_permissions',\@deletions,$domain,$user); |
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$new_values{$file_name."\0".'accesscontrol'} = \%new_control; |
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$outcome = &put('file_permissions',\%new_values,$domain,$user); |
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# remove lock |
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my @del_lock = ($file_name."\0".'locked_access_records'); |
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my $dellockoutcome = &del('file_permissions',\@del_lock,$domain,$user); |
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} else { |
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$outcome = "error: could not obtain lockfile\n"; |
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} |
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return ($outcome,$deloutcome,\%new_values,\%translation); |
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} |
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#------------------------------------------------------Get Marked as Read Only |
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sub get_marked_as_readonly { |
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my ($domain,$user,$what,$group) = @_; |
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my $current_permissions = &get_portfile_permissions($domain,$user); |
my @readonly_files; |
my @readonly_files; |
my $cmp1=$what; |
my $cmp1=$what; |
if (ref($what)) { $cmp1=join('',@{$what}) }; |
if (ref($what)) { $cmp1=join('',@{$what}) }; |
while (my ($file_name,$value) = each(%current_permissions)) { |
while (my ($file_name,$value) = each(%{$current_permissions})) { |
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if (defined($group)) { |
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if ($file_name !~ m-^\Q$group\E/-) { |
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next; |
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} |
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} |
if (ref($value) eq "ARRAY"){ |
if (ref($value) eq "ARRAY"){ |
foreach my $stored_what (@{$value}) { |
foreach my $stored_what (@{$value}) { |
my $cmp2=$stored_what; |
my $cmp2=$stored_what; |
if (ref($stored_what)) { $cmp2=join('',@{$stored_what}) }; |
if (ref($stored_what eq 'ARRAY')) { |
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$cmp2=join('',@{$stored_what}); |
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} |
if ($cmp1 eq $cmp2) { |
if ($cmp1 eq $cmp2) { |
push(@readonly_files, $file_name); |
push(@readonly_files, $file_name); |
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last; |
} elsif (!defined($what)) { |
} elsif (!defined($what)) { |
push(@readonly_files, $file_name); |
push(@readonly_files, $file_name); |
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last; |
} |
} |
} |
} |
} |
} |
} |
} |
return @readonly_files; |
return @readonly_files; |
} |
} |
#-----------------------------------------------------------Get Marked as Read Only Hash |
#-----------------------------------------------------------Get Marked as Read Only Hash |
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sub get_marked_as_readonly_hash { |
sub get_marked_as_readonly_hash { |
my ($domain,$user,$what) = @_; |
my ($current_permissions,$group,$what) = @_; |
my %current_permissions = &dump('file_permissions',$domain,$user); |
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my ($tmp)=keys(%current_permissions); |
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if ($tmp=~/^error:/) { undef(%current_permissions); } |
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my %readonly_files; |
my %readonly_files; |
while (my ($file_name,$value) = each(%current_permissions)) { |
while (my ($file_name,$value) = each(%{$current_permissions})) { |
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if (defined($group)) { |
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if ($file_name !~ m-^\Q$group\E/-) { |
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next; |
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} |
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} |
if (ref($value) eq "ARRAY"){ |
if (ref($value) eq "ARRAY"){ |
foreach my $stored_what (@{$value}) { |
foreach my $stored_what (@{$value}) { |
if ($stored_what eq $what) { |
if (ref($stored_what) eq 'ARRAY') { |
$readonly_files{$file_name} = 'locked'; |
foreach my $lock_descriptor(@{$stored_what}) { |
} elsif (!defined($what)) { |
if ($lock_descriptor eq 'graded') { |
$readonly_files{$file_name} = 'locked'; |
$readonly_files{$file_name} = 'graded'; |
} |
} elsif ($lock_descriptor eq 'handback') { |
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$readonly_files{$file_name} = 'handback'; |
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} else { |
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if (!exists($readonly_files{$file_name})) { |
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$readonly_files{$file_name} = 'locked'; |
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} |
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} |
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} |
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} |
} |
} |
} |
} |
} |
} |
Line 4699 sub get_marked_as_readonly_hash {
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Line 4862 sub get_marked_as_readonly_hash {
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sub unmark_as_readonly { |
sub unmark_as_readonly { |
# unmarks $file_name (if $file_name is defined), or all files locked by $what |
# unmarks $file_name (if $file_name is defined), or all files locked by $what |
# for portfolio submissions, $what contains [$symb,$crsid] |
# for portfolio submissions, $what contains [$symb,$crsid] |
my ($domain,$user,$what,$file_name) = @_; |
my ($domain,$user,$what,$file_name,$group) = @_; |
my $symb_crs = $what; |
my $symb_crs = $what; |
if (ref($what)) { $symb_crs=join('',@$what); } |
if (ref($what)) { $symb_crs=join('',@$what); } |
my %current_permissions = &dump('file_permissions',$domain,$user); |
my %current_permissions = &dump('file_permissions',$domain,$user,$group); |
my ($tmp)=keys(%current_permissions); |
my ($tmp)=keys(%current_permissions); |
if ($tmp=~/^error:/) { undef(%current_permissions); } |
if ($tmp=~/^error:/) { undef(%current_permissions); } |
my @readonly_files = &get_marked_as_readonly($domain,$user,$what); |
my @readonly_files = &get_marked_as_readonly($domain,$user,$what,$group); |
foreach my $file (@readonly_files) { |
foreach my $file (@readonly_files) { |
if (defined($file_name) && ($file_name ne $file)) { next; } |
if (defined($file_name) && ($file_name ne $file)) { next; } |
my $current_locks = $current_permissions{$file}; |
my $current_locks = $current_permissions{$file}; |
Line 4714 sub unmark_as_readonly {
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Line 4877 sub unmark_as_readonly {
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if (ref($current_locks) eq "ARRAY"){ |
if (ref($current_locks) eq "ARRAY"){ |
foreach my $locker (@{$current_locks}) { |
foreach my $locker (@{$current_locks}) { |
my $compare=$locker; |
my $compare=$locker; |
if (ref($locker)) { $compare=join('',@{$locker}) }; |
if (ref($locker) eq 'ARRAY') { |
if ($compare ne $symb_crs) { |
$compare=join('',@{$locker}); |
push(@new_locks, $locker); |
if ($compare ne $symb_crs) { |
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push(@new_locks, $locker); |
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} |
} |
} |
} |
} |
if (scalar(@new_locks) > 0) { |
if (scalar(@new_locks) > 0) { |
Line 7505 cput($namespace,$storehash,$udom,$uname)
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Line 7670 cput($namespace,$storehash,$udom,$uname)
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=item * |
=item * |
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newput($namespace,$storehash,$udom,$uname) : |
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Attempts to store the items in the $storehash, but only if they don't |
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currently exist, if this succeeds you can be certain that you have |
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successfully created a new key value pair in the $namespace db. |
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Args: |
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$namespace: name of database to store values to |
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$storehash: hashref to store to the db |
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$udom: (optional) domain of user containing the db |
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$uname: (optional) name of user caontaining the db |
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Returns: |
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'ok' -> succeeded in storing all keys of $storehash |
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'key_exists: <key>' -> failed to anything out of $storehash, as at |
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least <key> already existed in the db (other |
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requested keys may also already exist) |
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'error: <msg>' -> unable to tie the DB or other erorr occured |
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'con_lost' -> unable to contact request server |
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'refused' -> action was not allowed by remote machine |
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=item * |
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eget($namespace,$storearr,$udom,$uname) : returns hash with keys from array |
eget($namespace,$storearr,$udom,$uname) : returns hash with keys from array |
reference filled in from namesp (encrypts the return communication) |
reference filled in from namesp (encrypts the return communication) |
($udom and $uname are optional) |
($udom and $uname are optional) |
Line 7739 removeuploadedurl(): convience function
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Line 7929 removeuploadedurl(): convience function
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Args: |
Args: |
url: a full /uploaded/... url to delete |
url: a full /uploaded/... url to delete |
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=item * |
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get_portfile_permissions(): |
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Args: |
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domain: domain of user or course contain the portfolio files |
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user: name of user or num of course contain the portfolio files |
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Returns: |
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hashref of a dump of the proper file_permissions.db |
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=item * |
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get_access_controls(): |
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Args: |
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current_permissions: the hash ref returned from get_portfile_permissions() |
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group: (optional) the group you want the files associated with |
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file: (optional) the file you want access info on |
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Returns: |
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a hash (keys are file names) of hashes containing |
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keys are: path to file/file_name\0uniqueID:scope_end_start (see below) |
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values are XML containing access control settings (see below) |
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Internal notes: |
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access controls are stored in file_permissions.db as key=value pairs. |
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key -> path to file/file_name\0uniqueID:scope_end_start |
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where scope -> public,guest,course,group,domains or users. |
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end -> UNIX time for end of access (0 -> no end date) |
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start -> UNIX time for start of access |
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value -> XML description of access control |
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<scope type=""> (type =1 of: public,guest,course,group,domains,users"> |
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<start></start> |
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<end></end> |
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<password></password> for scope type = guest |
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<domain></domain> for scope type = course or group |
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<number></number> |
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<roles id=""> |
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<role></role> |
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<access></access> |
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<section></section> |
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<group></group> |
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</roles> |
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<dom></dom> for scope type = domains |
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<users> for scope type = users |
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<user> |
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<uname></uname> |
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<udom></udom> |
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</user> |
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</users> |
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</scope> |
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Access data is also aggregated for each file in an additional key=value pair: |
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key -> path to file/file_name\0accesscontrol |
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value -> reference to hash |
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hash contains key = value pairs |
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where key = uniqueID:scope_end_start |
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value = UNIX time record was last updated |
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Used to improve speed of look-ups of access controls for each file. |
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Locks on files (resulting from submission of portfolio file to a homework problem stored in array of arrays. |
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parse_access_controls(): |
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Parses XML of an access control record |
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Args |
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1. Text string (XML) of access comtrol record |
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Returns: |
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1. Hash of access control settings. |
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modify_access_controls(): |
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Modifies access controls for a portfolio file |
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Args |
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1. file name |
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2. reference to hash of required changes, |
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3. domain |
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4. username |
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where domain,username are the domain of the portfolio owner |
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(either a user or a course) |
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Returns: |
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1. result of additions or updates ('ok' or 'error', with error message). |
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2. result of deletions ('ok' or 'error', with error message). |
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3. reference to hash of any new or updated access controls. |
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4. reference to hash used to map incoming IDs to uniqueIDs assigned to control. |
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key = integer (inbound ID) |
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value = uniqueID |
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=back |
=back |
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=head2 HTTP Helper Routines |
=head2 HTTP Helper Routines |