--- loncom/lonnet/perl/lonnet.pm 2009/11/30 06:23:37 1.1047
+++ loncom/lonnet/perl/lonnet.pm 2010/03/21 18:31:53 1.1057
@@ -1,7 +1,7 @@
# The LearningOnline Network
# TCP networking package
#
-# $Id: lonnet.pm,v 1.1047 2009/11/30 06:23:37 raeburn Exp $
+# $Id: lonnet.pm,v 1.1057 2010/03/21 18:31:53 www Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -99,8 +99,6 @@ use LONCAPA::Configuration;
my $readit;
my $max_connection_retries = 10; # Or some such value.
-my $upload_photo_form = 0; #Variable to check when user upload a photo 0=not 1=true
-
require Exporter;
our @ISA = qw (Exporter);
@@ -1728,6 +1726,9 @@ sub userenvironment {
unless ($uhome eq 'no_host') {
my @answer=split(/\&/,
&reply('get:'.$udom.':'.$unam.':environment:'.$items,$uhome));
+ if ($#answer==0 && $answer[0] =~ /^(con_lost|error:|no_such_host)/i) {
+ return %returnhash;
+ }
my $i;
for ($i=0;$i<=$#what;$i++) {
$returnhash{$what[$i]}=&unescape($answer[$i]);
@@ -2153,31 +2154,42 @@ sub clean_filename {
$fname=~s/\.(\d+)(?=\.)/_$1/g;
return $fname;
}
-#This Function check if a Image max 400px width and height 500px. If not then scale the image down
+# This Function checks if an Image's dimensions exceed either $resizewidth (width)
+# or $resizeheight (height) - both pixels. If so, the image is scaled to produce an
+# image with the same aspect ratio as the original, but with dimensions which do
+# not exceed $resizewidth and $resizeheight.
+
sub resizeImage {
- my($img_url) = @_;
- my $ima = Image::Magick->new;
- $ima->Read($img_url);
- if($ima->Get('width') > 400)
- {
- my $factor = $ima->Get('width')/400;
- $ima->Scale( width=>400, height=>$ima->Get('height')/$factor );
- }
- if($ima->Get('height') > 500)
- {
- my $factor = $ima->Get('height')/500;
- $ima->Scale( width=>$ima->Get('width')/$factor, height=>500);
- }
-
- $ima->Write($img_url);
-}
-
-#Wrapper function for userphotoupload
-sub userphotoupload
-{
- my($formname,$subdir) = @_;
- $upload_photo_form = 1;
- return &userfileupload($formname,undef,$subdir);
+ my ($img_path,$resizewidth,$resizeheight) = @_;
+ my $ima = Image::Magick->new;
+ my $resized;
+ if (-e $img_path) {
+ $ima->Read($img_path);
+ if (($resizewidth =~ /^\d+$/) && ($resizeheight > 0)) {
+ my $width = $ima->Get('width');
+ my $height = $ima->Get('height');
+ if ($width > $resizewidth) {
+ my $factor = $width/$resizewidth;
+ my $newheight = $height/$factor;
+ $ima->Scale(width=>$resizewidth,height=>$newheight);
+ $resized = 1;
+ }
+ }
+ if (($resizeheight =~ /^\d+$/) && ($resizeheight > 0)) {
+ my $width = $ima->Get('width');
+ my $height = $ima->Get('height');
+ if ($height > $resizeheight) {
+ my $factor = $height/$resizeheight;
+ my $newwidth = $width/$factor;
+ $ima->Scale(width=>$newwidth,height=>$resizeheight);
+ $resized = 1;
+ }
+ }
+ if ($resized) {
+ $ima->Write($img_path);
+ }
+ }
+ return;
}
# --------------- Take an uploaded file and put it into the userfiles directory
@@ -2193,14 +2205,15 @@ sub userphotoupload
# $dsetudom - domain for permanaent storage of uploaded file
# $thumbwidth - width (pixels) of thumbnail to make for uploaded image
# $thumbheight - height (pixels) of thumbnail to make for uploaded image
+# $resizewidth - width (pixels) to which to resize uploaded image
+# $resizeheight - height (pixels) to which to resize uploaded image
#
# output: url of file in userspace, or error: <message>
# or /adm/notfound.html if failure to upload occurse
-
sub userfileupload {
my ($formname,$coursedoc,$subdir,$parser,$allfiles,$codebase,$destuname,
- $destudom,$thumbwidth,$thumbheight)=@_;
+ $destudom,$thumbwidth,$thumbheight,$resizewidth,$resizeheight)=@_;
if (!defined($subdir)) { $subdir='unknown'; }
my $fname=$env{'form.'.$formname.'.filename'};
$fname=&clean_filename($fname);
@@ -2250,7 +2263,8 @@ sub userfileupload {
if ($env{'form.folder'} =~ m/^(default|supplemental)/) {
return &finishuserfileupload($docuname,$docudom,
$formname,$fname,$parser,$allfiles,
- $codebase,$thumbwidth,$thumbheight);
+ $codebase,$thumbwidth,$thumbheight,
+ $resizewidth,$resizeheight);
} else {
$fname=$env{'form.folder'}.'/'.$fname;
return &process_coursefile('uploaddoc',$docuname,$docudom,
@@ -2262,7 +2276,8 @@ sub userfileupload {
my $docudom=$destudom;
return &finishuserfileupload($docuname,$docudom,$formname,$fname,
$parser,$allfiles,$codebase,
- $thumbwidth,$thumbheight);
+ $thumbwidth,$thumbheight,
+ $resizewidth,$resizeheight);
} else {
my $docuname=$env{'user.name'};
@@ -2273,13 +2288,14 @@ sub userfileupload {
}
return &finishuserfileupload($docuname,$docudom,$formname,$fname,
$parser,$allfiles,$codebase,
- $thumbwidth,$thumbheight);
+ $thumbwidth,$thumbheight,
+ $resizewidth,$resizeheight);
}
}
sub finishuserfileupload {
my ($docuname,$docudom,$formname,$fname,$parser,$allfiles,$codebase,
- $thumbwidth,$thumbheight) = @_;
+ $thumbwidth,$thumbheight,$resizewidth,$resizeheight) = @_;
my $path=$docudom.'/'.$docuname.'/';
my $filepath=$perlvar{'lonDocRoot'};
@@ -2311,10 +2327,12 @@ sub finishuserfileupload {
return '/adm/notfound.html';
}
close(FH);
- if($upload_photo_form==1)
- {
- resizeImage($filepath.'/'.$file);
- $upload_photo_form = 0;
+ if ($resizewidth && $resizeheight) {
+ my $mm = new File::MMagic;
+ my $mime_type = $mm->checktype_filename($filepath.'/'.$file);
+ if ($mime_type =~ m{^image/}) {
+ &resizeImage($filepath.'/'.$file,$resizewidth,$resizeheight);
+ }
}
}
if ($parser eq 'parse') {
@@ -3001,6 +3019,7 @@ sub getannounce {
sub courseidput {
my ($domain,$storehash,$coursehome,$caller) = @_;
+ return unless (ref($storehash) eq 'HASH');
my $outcome;
if ($caller eq 'timeonly') {
my $cids = '';
@@ -3085,6 +3104,49 @@ sub courseiddump {
return %returnhash;
}
+sub courselastaccess {
+ my ($cdom,$cnum,$hostidref) = @_;
+ my %returnhash;
+ if ($cdom && $cnum) {
+ my $chome = &homeserver($cnum,$cdom);
+ if ($chome ne 'no_host') {
+ my $rep = &reply('courselastaccess:'.$cdom.':'.$cnum,$chome);
+ &extract_lastaccess(\%returnhash,$rep);
+ }
+ } else {
+ if (!$cdom) { $cdom=''; }
+ my %libserv = &all_library();
+ foreach my $tryserver (keys(%libserv)) {
+ if (ref($hostidref) eq 'ARRAY') {
+ next unless (grep(/^\Q$tryserver\E$/,@{$hostidref}));
+ }
+ if (($cdom eq '') || (&host_domain($tryserver) eq $cdom)) {
+ my $rep = &reply('courselastaccess:'.&host_domain($tryserver).':',$tryserver);
+ &extract_lastaccess(\%returnhash,$rep);
+ }
+ }
+ }
+ return %returnhash;
+}
+
+sub extract_lastaccess {
+ my ($returnhash,$rep) = @_;
+ if (ref($returnhash) eq 'HASH') {
+ unless ($rep eq 'unknown_command' || $rep eq 'no_such_host' ||
+ $rep eq 'con_lost' || $rep eq 'rejected' || $rep eq 'refused' ||
+ $rep eq '') {
+ my @pairs=split(/\&/,$rep);
+ foreach my $item (@pairs) {
+ my ($key,$value)=split(/\=/,$item,2);
+ $key = &unescape($key);
+ next if ($key =~ /^error: 2 /);
+ $returnhash->{$key} = &thaw_unescape($value);
+ }
+ }
+ }
+ return;
+}
+
# ---------------------------------------------------------- DC e-mail
sub dcmailput {
@@ -3145,7 +3207,7 @@ sub get_domain_roles {
return %personnel;
}
-# ----------------------------------------------------------- Check out an item
+# ----------------------------------------------------------- Interval timing
sub get_first_access {
my ($type,$argsymb)=@_;
@@ -3181,91 +3243,6 @@ sub set_first_access {
return 'already_set';
}
-sub checkout {
- my ($symb,$tuname,$tudom,$tcrsid)=@_;
- my $now=time;
- my $lonhost=$perlvar{'lonHostID'};
- my $infostr=&escape(
- 'CHECKOUTTOKEN&'.
- $tuname.'&'.
- $tudom.'&'.
- $tcrsid.'&'.
- $symb.'&'.
- $now.'&'.$ENV{'REMOTE_ADDR'});
- my $token=&reply('tmpput:'.$infostr,$lonhost);
- if ($token=~/^error\:/) {
- &logthis("<font color=\"blue\">WARNING: ".
- "Checkout tmpput failed ".$tudom.' - '.$tuname.' - '.$symb.
- "</font>");
- return '';
- }
-
- $token=~s/^(\d+)\_.*\_(\d+)$/$1\*$2\*$lonhost/;
- $token=~tr/a-z/A-Z/;
-
- my %infohash=('resource.0.outtoken' => $token,
- 'resource.0.checkouttime' => $now,
- 'resource.0.outremote' => $ENV{'REMOTE_ADDR'});
-
- unless (&cstore(\%infohash,$symb,$tcrsid,$tudom,$tuname) eq 'ok') {
- return '';
- } else {
- &logthis("<font color=\"blue\">WARNING: ".
- "Checkout cstore failed ".$tudom.' - '.$tuname.' - '.$symb.
- "</font>");
- }
-
- if (&log($tudom,$tuname,&homeserver($tuname,$tudom),
- &escape('Checkout '.$infostr.' - '.
- $token)) ne 'ok') {
- return '';
- } else {
- &logthis("<font color=\"blue\">WARNING: ".
- "Checkout log failed ".$tudom.' - '.$tuname.' - '.$symb.
- "</font>");
- }
- return $token;
-}
-
-# ------------------------------------------------------------ Check in an item
-
-sub checkin {
- my $token=shift;
- my $now=time;
- my ($ta,$tb,$lonhost)=split(/\*/,$token);
- $lonhost=~tr/A-Z/a-z/;
- my $dtoken=$ta.'_'.&hostname($lonhost).'_'.$tb;
- $dtoken=~s/\W/\_/g;
- my ($dummy,$tuname,$tudom,$tcrsid,$symb,$chtim,$rmaddr)=
- split(/\&/,&unescape(&reply('tmpget:'.$dtoken,$lonhost)));
-
- unless (($tuname) && ($tudom)) {
- &logthis('Check in '.$token.' ('.$dtoken.') failed');
- return '';
- }
-
- unless (&allowed('mgr',$tcrsid)) {
- &logthis('Check in '.$token.' ('.$dtoken.') unauthorized: '.
- $env{'user.name'}.' - '.$env{'user.domain'});
- return '';
- }
-
- my %infohash=('resource.0.intoken' => $token,
- 'resource.0.checkintime' => $now,
- 'resource.0.inremote' => $ENV{'REMOTE_ADDR'});
-
- unless (&cstore(\%infohash,$symb,$tcrsid,$tudom,$tuname) eq 'ok') {
- return '';
- }
-
- if (&log($tudom,$tuname,&homeserver($tuname,$tudom),
- &escape('Checkin - '.$token)) ne 'ok') {
- return '';
- }
-
- return ($symb,$tuname,$tudom,$tcrsid);
-}
-
# --------------------------------------------- Set Expire Date for Spreadsheet
sub expirespread {
@@ -4035,13 +4012,6 @@ sub role_status {
);
my $spec=$$role.'.'.$$where;
my ($tdummy,$tdomain,$trest)=split(/\//,$$where);
- if ($$role eq 'gr') {
- my %rolehash = &get('roles',[$$where.'_'.$$role],$env{'user.domain'},
- $env{'user.name'})=@_;
- my ($trole) = split('_',$role,1);
- (undef,my $group_privs) = split(/\//,$trole);
- $group_privs = &unescape($group_privs);
- }
if ($$role =~ /^cr\//) {
&custom_roleprivs(\%allroles,$$role,$tdomain,$trest,$spec,$$where);
} elsif ($$role eq 'gr') {
@@ -4817,6 +4787,27 @@ sub usertools_access {
}
}
+sub is_course_owner {
+ my ($cdom,$cnum,$udom,$uname) = @_;
+ if (($udom eq '') || ($uname eq '')) {
+ $udom = $env{'user.domain'};
+ $uname = $env{'user.name'};
+ }
+ unless (($udom eq '') || ($uname eq '')) {
+ if (exists($env{'course.'.$cdom.'_'.$cnum.'.internal.courseowner'})) {
+ if ($env{'course.'.$cdom.'_'.$cnum.'.internal.courseowner'} eq $uname.':'.$udom) {
+ return 1;
+ } else {
+ my %courseinfo = &Apache::lonnet::coursedescription($cdom.'/'.$cnum);
+ if ($courseinfo{'internal.courseowner'} eq $uname.':'.$udom) {
+ return 1;
+ }
+ }
+ }
+ }
+ return;
+}
+
sub is_advanced_user {
my ($udom,$uname) = @_;
my %roleshash = &get_my_roles($uname,$udom,'userroles',undef,undef,undef,1);
@@ -6325,10 +6316,97 @@ sub assignrole {
&Apache::longroup::group_changes($udom,$uname,$url,$role,$origend,
$origstart,$selfenroll,$context);
}
+ if ($role eq 'cc') {
+ &autoupdate_coowners($url,$end,$start,$uname,$udom);
+ }
}
return $answer;
}
+sub autoupdate_coowners {
+ my ($url,$end,$start,$uname,$udom) = @_;
+ my ($cdom,$cnum) = ($url =~ m{^/($match_domain)/($match_courseid)});
+ if (($cdom ne '') && ($cnum ne '')) {
+ my $now = time;
+ my %domdesign = &Apache::loncommon::get_domainconf($cdom);
+ if ($domdesign{$cdom.'.autoassign.co-owners'}) {
+ my %coursehash = &coursedescription($cdom.'_'.$cnum);
+ my $instcode = $coursehash{'internal.coursecode'};
+ if ($instcode ne '') {
+ if (($start && $start <= $now) && ($end == 0) || ($end > $now)) {
+ unless ($coursehash{'internal.courseowner'} eq $uname.':'.$udom) {
+ my ($delcoowners,@newcoowners,$putresult,$delresult,$coowners);
+ my ($result,$desc) = &auto_validate_instcode($cnum,$cdom,$instcode,$uname.':'.$udom);
+ if ($result eq 'valid') {
+ if ($coursehash{'internal.co-owners'}) {
+ foreach my $coowner (split(',',$coursehash{'internal.co-owners'})) {
+ push(@newcoowners,$coowner);
+ }
+ unless (grep(/^\Q$uname\E:\Q$udom\E$/,@newcoowners)) {
+ push(@newcoowners,$uname.':'.$udom);
+ }
+ @newcoowners = sort(@newcoowners);
+ } else {
+ push(@newcoowners,$uname.':'.$udom);
+ }
+ } else {
+ if ($coursehash{'internal.co-owners'}) {
+ foreach my $coowner (split(',',$coursehash{'internal.co-owners'})) {
+ unless ($coowner eq $uname.':'.$udom) {
+ push(@newcoowners,$coowner);
+ }
+ }
+ unless (@newcoowners > 0) {
+ $delcoowners = 1;
+ $coowners = '';
+ }
+ }
+ }
+ if (@newcoowners || $delcoowners) {
+ &store_coowners($cdom,$cnum,$coursehash{'home'},
+ $delcoowners,@newcoowners);
+ }
+ }
+ }
+ }
+ }
+ }
+}
+
+sub store_coowners {
+ my ($cdom,$cnum,$chome,$delcoowners,@newcoowners) = @_;
+ my $cid = $cdom.'_'.$cnum;
+ my ($coowners,$delresult,$putresult);
+ if (@newcoowners) {
+ $coowners = join(',',@newcoowners);
+ my %coownershash = (
+ 'internal.co-owners' => $coowners,
+ );
+ $putresult = &put('environment',\%coownershash,$cdom,$cnum);
+ if ($putresult eq 'ok') {
+ if ($env{'course.'.$cid.'.num'} eq $cnum) {
+ &appenv({'course.'.$cid.'.internal.co-owners' => $coowners});
+ }
+ }
+ }
+ if ($delcoowners) {
+ $delresult = &Apache::lonnet::del('environment',['internal.co-owners'],$cdom,$cnum);
+ if ($delresult eq 'ok') {
+ if ($env{'course.'.$cid.'.internal.co-owners'}) {
+ &Apache::lonnet::delenv('course.'.$cid.'.internal.co-owners');
+ }
+ }
+ }
+ if (($putresult eq 'ok') || ($delresult eq 'ok')) {
+ my %crsinfo =
+ &Apache::lonnet::courseiddump($cdom,'.',1,'.','.',$cnum,undef,undef,'.');
+ if (ref($crsinfo{$cid}) eq 'HASH') {
+ $crsinfo{$cid}{'co-owners'} = \@newcoowners;
+ my $cidput = &Apache::lonnet::courseidput($cdom,\%crsinfo,$chome,'notime');
+ }
+ }
+}
+
# -------------------------------------------------- Modify user authentication
# Overrides without validation
@@ -6653,9 +6731,17 @@ sub createcourse {
}
return $uname if ($uname =~ /^error/);
# -------------------------------------------------- Check supplied server name
- $course_server = $env{'user.homeserver'} if (! defined($course_server));
- if (! &is_library($course_server)) {
- return 'error:bad server name '.$course_server;
+ if (!defined($course_server)) {
+ if (defined(&domain($udom,'primary'))) {
+ $course_server = &domain($udom,'primary');
+ } else {
+ $course_server = $env{'user.home'};
+ }
+ }
+ my %host_servers =
+ &Apache::lonnet::get_servers($udom,'library');
+ unless ($host_servers{$course_server}) {
+ return 'error: invalid home server for course: '.$course_server;
}
# ------------------------------------------------------------- Make the course
my $reply=&reply('encrypt:makeuser:'.$udom.':'.$uname.':none::',
@@ -6702,8 +6788,13 @@ ENDINITMAP
}
# ----------------------------------------------------------- Write preferences
&writecoursepref($udom.'_'.$uname,
- ('description' => $description,
- 'url' => $topurl));
+ ('description' => $description,
+ 'url' => $topurl,
+ 'internal.creator' => $env{'user.name'}.':'.
+ $env{'user.domain'},
+ 'internal.created' => $now,
+ 'internal.creationcontext' => $context)
+ );
return '/'.$udom.'/'.$uname;
}