--- loncom/lonnet/perl/lonnet.pm 2008/12/18 17:43:53 1.976.2.1
+++ loncom/lonnet/perl/lonnet.pm 2009/02/18 06:54:22 1.987
@@ -1,7 +1,7 @@
# The LearningOnline Network
# TCP networking package
#
-# $Id: lonnet.pm,v 1.976.2.1 2008/12/18 17:43:53 raeburn Exp $
+# $Id: lonnet.pm,v 1.987 2009/02/18 06:54:22 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -73,6 +73,9 @@ package Apache::lonnet;
use strict;
use LWP::UserAgent();
use HTTP::Date;
+use Image::Magick;
+use IO::Socket;
+
# use Date::Parse;
use vars qw(%perlvar %spareid %pr %prp $memcache %packagetab $tmpdir
$_64bit %env %protocol);
@@ -97,6 +100,8 @@ 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);
@@ -146,7 +151,8 @@ sub logthis {
my $now=time;
my $local=localtime($now);
if (open(my $fh,">>$execdir/logs/lonnet.log")) {
- print $fh "$local ($$): $message\n";
+ my $logstring = $local. " ($$): ".$message."\n"; # Keep any \'s in string.
+ print $fh $logstring;
close($fh);
}
return 1;
@@ -177,6 +183,20 @@ sub create_connection {
return 0;
}
+sub get_server_timezone {
+ my ($cnum,$cdom) = @_;
+ my $home=&homeserver($cnum,$cdom);
+ if ($home ne 'no_host') {
+ my $cachetime = 24*3600;
+ my ($timezone,$cached)=&is_cached_new('servertimezone',$home);
+ if (defined($cached)) {
+ return $timezone;
+ } else {
+ my $timezone = &reply('servertimezone',$home);
+ return &do_cache_new('servertimezone',$home,$timezone,$cachetime);
+ }
+ }
+}
# -------------------------------------------------- Non-critical communication
sub subreply {
@@ -508,7 +528,7 @@ sub appenv {
# ----------------------------------------------------- Delete from Environment
sub delenv {
- my $delthis=shift;
+ my ($delthis,$regexp) = @_;
if (($delthis=~/user\.role/) || ($delthis=~/user\.priv/)) {
&logthis("<font color=\"blue\">WARNING: ".
"Attempt to delete from environment ".$delthis);
@@ -521,10 +541,17 @@ sub delenv {
tie(my %disk_env,'GDBM_File',$env{'user.environment'},
(&GDBM_WRITER()|&GDBM_NOLOCK()),0640)) {
foreach my $key (keys(%disk_env)) {
- if ($key=~/^$delthis/) {
- delete($env{$key});
- delete($disk_env{$key});
- }
+ if ($regexp) {
+ if ($key=~/^$delthis/) {
+ delete($env{$key});
+ delete($disk_env{$key});
+ }
+ } else {
+ if ($key=~/^\Q$delthis\E/) {
+ delete($env{$key});
+ delete($disk_env{$key});
+ }
+ }
}
untie(%disk_env);
}
@@ -1227,7 +1254,6 @@ sub inst_userrules {
sub get_domain_defaults {
my ($domain) = @_;
my $cachetime = 60*60*24;
- my ($defauthtype,$defautharg,$deflang,%deftools);
my ($result,$cached)=&is_cached_new('domdefaults',$domain);
if (defined($cached)) {
if (ref($result) eq 'HASH') {
@@ -1241,6 +1267,8 @@ sub get_domain_defaults {
$domdefaults{'lang_def'} = $domconfig{'defaults'}{'lang_def'};
$domdefaults{'auth_def'} = $domconfig{'defaults'}{'auth_def'};
$domdefaults{'auth_arg_def'} = $domconfig{'defaults'}{'auth_arg_def'};
+ $domdefaults{'timezone_def'} = $domconfig{'defaults'}{'timezone_def'};
+ $domdefaults{'datelocale_def'} = $domconfig{'defaults'}{'datelocale_def'};
} else {
$domdefaults{'lang_def'} = &domain($domain,'lang_def');
$domdefaults{'auth_def'} = &domain($domain,'auth_def');
@@ -1259,6 +1287,11 @@ sub get_domain_defaults {
}
}
}
+ if (ref($domconfig{'requestcourses'}) eq 'HASH') {
+ foreach my $item ('official','unofficial') {
+ $domdefaults{$item} = $domconfig{'requestcourses'}{$item};
+ }
+ }
&Apache::lonnet::do_cache_new('domdefaults',$domain,\%domdefaults,
$cachetime);
return %domdefaults;
@@ -1787,7 +1820,7 @@ sub ssi_body {
}
my $output='';
my $response;
- if ($filelink=~/^http\:/) {
+ if ($filelink=~/^https?\:/) {
($output,$response)=&externalssi($filelink);
} else {
($output,$response)=&ssi($filelink,%form);
@@ -2010,6 +2043,32 @@ sub clean_filename {
$fname=~s/\.(\d+)(?=\.)/_$1/g;
return $fname;
}
+#This Function check if a Image max 400px width and height 500px. If not then scale the image down
+sub resizeImage {
+ my($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);
+}
# --------------- Take an uploaded file and put it into the userfiles directory
# input: $formname - the contents of the file are in $env{"form.$formname"}
@@ -2110,6 +2169,7 @@ sub finishuserfileupload {
$thumbwidth,$thumbheight) = @_;
my $path=$docudom.'/'.$docuname.'/';
my $filepath=$perlvar{'lonDocRoot'};
+
my ($fnamepath,$file,$fetchthumb);
$file=$fname;
if ($fname=~m|/|) {
@@ -2124,6 +2184,7 @@ sub finishuserfileupload {
mkdir($filepath,0777);
}
}
+
# Save the file
{
if (!open(FH,'>'.$filepath.'/'.$file)) {
@@ -2137,6 +2198,11 @@ sub finishuserfileupload {
return '/adm/notfound.html';
}
close(FH);
+ if($upload_photo_form==1)
+ {
+ resizeImage($filepath.'/'.$file);
+ $upload_photo_form = 0;
+ }
}
if ($parser eq 'parse') {
my $parse_result = &extract_embedded_items($filepath.'/'.$file,$allfiles,
@@ -2158,7 +2224,7 @@ sub finishuserfileupload {
# Notify homeserver to grep it
#
- my $docuhome=&homeserver($docuname,$docudom);
+ my $docuhome=&homeserver($docuname,$docudom);
my $fetchresult= &reply('fetchuserfile:'.$path.$file,$docuhome);
if ($fetchresult eq 'ok') {
if ($fetchthumb) {
@@ -2290,21 +2356,21 @@ sub add_filetype {
}
sub removeuploadedurl {
- my ($url)=@_;
- my (undef,undef,$udom,$uname,$fname)=split('/',$url,5);
+ my ($url)=@_;
+ my (undef,undef,$udom,$uname,$fname)=split('/',$url,5);
return &removeuserfile($uname,$udom,$fname);
}
sub removeuserfile {
my ($docuname,$docudom,$fname)=@_;
- my $home=&homeserver($docuname,$docudom);
+ my $home=&homeserver($docuname,$docudom);
my $result = &reply("removeuserfile:$docudom/$docuname/$fname",$home);
- if ($result eq 'ok') {
+ if ($result eq 'ok') {
if (($fname !~ /\.meta$/) && (&is_portfolio_file($fname))) {
my $metafile = $fname.'.meta';
my $metaresult = &removeuserfile($docuname,$docudom,$metafile);
my $url = "/uploaded/$docudom/$docuname/$fname";
- my ($file,$group) = (&parse_portfolio_url($url))[3,4];
+ my ($file,$group) = (&parse_portfolio_url($url))[3,4];
my $sqlresult =
&update_portfolio_table($docuname,$docudom,$file,
'portfolio_metadata',$group,
@@ -3810,11 +3876,11 @@ sub del {
foreach my $item (@$storearr) {
$items.=&escape($item).'&';
}
+
$items=~s/\&$//;
if (!$udomain) { $udomain=$env{'user.domain'}; }
if (!$uname) { $uname=$env{'user.name'}; }
my $uhome=&homeserver($uname,$udomain);
-
return &reply("del:$udomain:$uname:$namespace:$items",$uhome);
}
@@ -4375,13 +4441,23 @@ sub is_portfolio_file {
}
sub usertools_access {
- my ($uname,$udom,$tool,$action) = @_;
- my $access;
- my %tools = (
- aboutme => 1,
- blog => 1,
- portfolio => 1,
- );
+ my ($uname,$udom,$tool,$action,$context) = @_;
+ my ($access,%tools);
+ if ($context eq '') {
+ $context = 'tools';
+ }
+ if ($context eq 'requestcourses') {
+ %tools = (
+ official => 1,
+ unofficial => 1,
+ );
+ } else {
+ %tools = (
+ aboutme => 1,
+ blog => 1,
+ portfolio => 1,
+ );
+ }
return if (!defined($tools{$tool}));
if ((!defined($udom)) || (!defined($uname))) {
@@ -4391,18 +4467,23 @@ sub usertools_access {
if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'})) {
if ($action ne 'reload') {
- return $env{'environment.availabletools.'.$tool};
+ if ($context eq 'requestcourses') {
+ return $env{'environment.canrequest.'.$tool};
+ } else {
+ return $env{'environment.availabletools.'.$tool};
+ }
}
}
my ($toolstatus,$inststatus);
- if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'})) {
- $toolstatus = $env{'environment.tools.'.$tool};
+ if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'}) &&
+ ($action ne 'reload')) {
+ $toolstatus = $env{'environment.'.$context.'.'.$tool};
$inststatus = $env{'environment.inststatus'};
} else {
- my %userenv = &userenvironment($udom,$uname,'tools.'.$tool);
- $toolstatus = $userenv{'tools.'.$tool};
+ my %userenv = &userenvironment($udom,$uname,$context.'.'.$tool);
+ $toolstatus = $userenv{$context.'.'.$tool};
$inststatus = $userenv{'inststatus'};
}
@@ -4458,7 +4539,11 @@ sub usertools_access {
}
}
} else {
- $access = 1;
+ if ($context eq 'tools') {
+ $access = 1;
+ } else {
+ $access = 0;
+ }
return $access;
}
}
@@ -8301,7 +8386,10 @@ sub repcopy_userfile {
if (-e $transferfile) { return 'ok'; }
my $request;
$uri=~s/^\///;
- $request=new HTTP::Request('GET','http://'.&hostname(&homeserver($cnum,$cdom)).'/raw/'.$uri);
+ my $homeserver = &homeserver($cnum,$cdom);
+ my $protocol = $protocol{$homeserver};
+ $protocol = 'http' if ($protocol ne 'https');
+ $request=new HTTP::Request('GET',$protocol.'://'.&hostname($homeserver).'/raw/'.$uri);
my $response=$ua->request($request,$transferfile);
# did it work?
if ($response->is_error()) {
@@ -8316,7 +8404,7 @@ sub repcopy_userfile {
sub tokenwrapper {
my $uri=shift;
- $uri=~s|^http\://([^/]+)||;
+ $uri=~s|^https?\://([^/]+)||;
$uri=~s|^/||;
$env{'user.environment'}=~/\/([^\/]+)\.id/;
my $token=$1;
@@ -8324,7 +8412,10 @@ sub tokenwrapper {
if ($udom && $uname && $file) {
$file=~s|(\?\.*)*$||;
&appenv({"userfile.$udom/$uname/$file" => $env{'request.course.id'}});
- return 'http://'.&hostname(&homeserver($uname,$udom)).'/'.$uri.
+ my $homeserver = &homeserver($uname,$udom);
+ my $protocol = $protocol{$homeserver};
+ $protocol = 'http' if ($protocol ne 'https');
+ return $protocol.'://'.&hostname($homeserver).'/'.$uri.
(($uri=~/\?/)?'&':'?').'token='.$token.
'&tokenissued='.$perlvar{'lonHostID'};
} else {
@@ -8339,7 +8430,10 @@ sub tokenwrapper {
sub getuploaded {
my ($reqtype,$uri,$cdom,$cnum,$info,$rtncode) = @_;
$uri=~s/^\///;
- $uri = 'http://'.&hostname(&homeserver($cnum,$cdom)).'/raw/'.$uri;
+ my $homeserver = &homeserver($cnum,$cdom);
+ my $protocol = $protocol{$homeserver};
+ $protocol = 'http' if ($protocol ne 'https');
+ $uri = $protocol.'://'.&hostname($homeserver).'/raw/'.$uri;
my $ua=new LWP::UserAgent;
my $request=new HTTP::Request($reqtype,$uri);
my $response=$ua->request($request);
@@ -8421,7 +8515,7 @@ sub filelocation {
sub hreflocation {
my ($dir,$file)=@_;
- unless (($file=~m-^http://-i) || ($file=~m-^/-)) {
+ unless (($file=~m-^https?\://-i) || ($file=~m-^/-)) {
$file=filelocation($dir,$file);
} elsif ($file=~m-^/adm/-) {
$file=~s-^/adm/wrapper/-/-;
@@ -8617,14 +8711,19 @@ sub get_dns {
open(my $config,"<$perlvar{'lonTabDir'}/hosts.tab");
foreach my $dns (<$config>) {
next if ($dns !~ /^\^(\S*)/x);
- $alldns{$1} = 1;
+ my $line = $1;
+ my ($host,$protocol) = split(/:/,$line);
+ if ($protocol ne 'https') {
+ $protocol = 'http';
+ }
+ $alldns{$host} = $protocol;
}
while (%alldns) {
my ($dns) = keys(%alldns);
- delete($alldns{$dns});
my $ua=new LWP::UserAgent;
- my $request=new HTTP::Request('GET',"http://$dns$url");
+ my $request=new HTTP::Request('GET',"$alldns{$dns}://$dns$url");
my $response=$ua->request($request);
+ delete($alldns{$dns});
next if ($response->is_error());
my @content = split("\n",$response->content);
&Apache::lonnet::do_cache_new('dns',$url,\@content,30*24*60*60);
@@ -8920,6 +9019,23 @@ sub get_dns {
}
}
+#
+# Given a DNS returns the loncapa host name for that DNS
+#
+sub host_from_dns {
+ my ($dns) = @_;
+ my @hosts;
+ my $ip;
+
+ $ip = gethostbyname($dns); # Initial translation to IP is in net order.
+ if (length($ip) == 4) {
+ $ip = &IO::Socket::inet_ntoa($ip);
+ @hosts = get_hosts_from_ip($ip);
+ return $hosts[0];
+ }
+ return undef;
+}
+
BEGIN {
# ----------------------------------- Read loncapa.conf and loncapa_apache.conf
@@ -9199,9 +9315,11 @@ in the user's environment.db and in %env
=item *
X<delenv()>
-B<delenv($regexp)>: removes all items from the session
-environment file that matches the regular expression in $regexp. The
-values are also delted from the current processes %env.
+B<delenv($delthis,$regexp)>: removes all items from the session
+environment file that begin with $delthis. If the
+optional second arg - $regexp - is true, $delthis is treated as a
+regular expression, otherwise \Q$delthis\E is used.
+The values are also deleted from the current processes %env.
=item * get_env_multiple($name)
@@ -9809,8 +9927,15 @@ dirlist($uri) : return directory list ba
spareserver() : find server with least workload from spare.tab
+
+=item *
+
+host_from_dns($dns) : Returns the loncapa hostname corresponding to a DNS name or undef
+if there is no corresponding loncapa host.
+
=back
+
=head2 Apache Request
=over 4