--- loncom/lonnet/perl/lonnet.pm 2008/11/29 10:34:29 1.975 +++ loncom/lonnet/perl/lonnet.pm 2009/04/11 21:43:02 1.994 @@ -1,7 +1,7 @@ # The LearningOnline Network # TCP networking package # -# $Id: lonnet.pm,v 1.975 2008/11/29 10:34:29 raeburn Exp $ +# $Id: lonnet.pm,v 1.994 2009/04/11 21:43:02 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -73,7 +73,8 @@ package Apache::lonnet; use strict; use LWP::UserAgent(); use HTTP::Date; -# use Date::Parse; +use Image::Magick; + use vars qw(%perlvar %spareid %pr %prp $memcache %packagetab $tmpdir $_64bit %env %protocol); @@ -97,6 +98,8 @@ 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 +149,8 @@ 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 +181,47 @@ 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,$cachetime); + } + } +} + +sub get_server_loncaparev { + my ($dom,$lonhost) = @_; + if (defined($lonhost)) { + if (!defined(&hostname($lonhost))) { + undef($lonhost); + } + } + if (!defined($lonhost)) { + if (defined(&domain($dom,'primary'))) { + $lonhost=&domain($dom,'primary'); + if ($lonhost eq 'no_host') { + undef($lonhost); + } + } + } + if (defined($lonhost)) { + my $cachetime = 24*3600; + my ($loncaparev,$cached)=&is_cached_new('serverloncaparev',$lonhost); + if (defined($cached)) { + return $loncaparev; + } else { + my $loncaparev = &reply('serverloncaparev',$lonhost); + return &do_cache_new('serverloncaparev',$lonhost,$loncaparev,$cachetime); + } + } +} # -------------------------------------------------- Non-critical communication sub subreply { @@ -508,7 +553,7 @@ sub appenv { # ----------------------------------------------------- Delete from Environment sub delenv { - my $delthis=shift; + my ($delthis,$regexp) = @_; if (($delthis=~/user\.role/) || ($delthis=~/user\.priv/)) { &logthis("WARNING: ". "Attempt to delete from environment ".$delthis); @@ -521,10 +566,17 @@ 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); } @@ -978,27 +1030,34 @@ sub put_dom { sub retrieve_inst_usertypes { my ($udom) = @_; my (%returnhash,@order); - if (defined(&domain($udom,'primary'))) { - my $uhome=&domain($udom,'primary'); - my $rep=&reply("inst_usertypes:$udom",$uhome); - if ($rep =~ /^(con_lost|error|no_such_host|refused)/) { - &logthis("get_dom failed - $rep returned from $uhome in domain: $udom"); - return (\%returnhash,\@order); - } - my ($hashitems,$orderitems) = split(/:/,$rep); - my @pairs=split(/\&/,$hashitems); - foreach my $item (@pairs) { - my ($key,$value)=split(/=/,$item,2); - $key = &unescape($key); - next if ($key =~ /^error: 2 /); - $returnhash{$key}=&thaw_unescape($value); - } - my @esc_order = split(/\&/,$orderitems); - foreach my $item (@esc_order) { - push(@order,&unescape($item)); - } + my %domdefs = &Apache::lonnet::get_domain_defaults($udom); + if ((ref($domdefs{'inststatustypes'}) eq 'HASH') && + (ref($domdefs{'inststatusorder'}) eq 'ARRAY')) { + %returnhash = %{$domdefs{'inststatustypes'}}; + @order = @{$domdefs{'inststatusorder'}}; } else { - &logthis("get_dom failed - no primary domain server for $udom"); + if (defined(&domain($udom,'primary'))) { + my $uhome=&domain($udom,'primary'); + my $rep=&reply("inst_usertypes:$udom",$uhome); + if ($rep =~ /^(con_lost|error|no_such_host|refused)/) { + &logthis("get_dom failed - $rep returned from $uhome in domain: $udom"); + return (\%returnhash,\@order); + } + my ($hashitems,$orderitems) = split(/:/,$rep); + my @pairs=split(/\&/,$hashitems); + foreach my $item (@pairs) { + my ($key,$value)=split(/=/,$item,2); + $key = &unescape($key); + next if ($key =~ /^error: 2 /); + $returnhash{$key}=&thaw_unescape($value); + } + my @esc_order = split(/\&/,$orderitems); + foreach my $item (@esc_order) { + push(@order,&unescape($item)); + } + } else { + &logthis("get_dom failed - no primary domain server for $udom"); + } } return (\%returnhash,\@order); } @@ -1222,12 +1281,11 @@ sub inst_userrules { return (\%ruleshash,\@ruleorder); } -# ------------------------- Get Authentication and Language Defaults for Domain +# ------------- Get Authentication, Language and User Tools Defaults for Domain sub get_domain_defaults { my ($domain) = @_; my $cachetime = 60*60*24; - my ($defauthtype,$defautharg,$deflang); my ($result,$cached)=&is_cached_new('domdefaults',$domain); if (defined($cached)) { if (ref($result) eq 'HASH') { @@ -1236,16 +1294,42 @@ sub get_domain_defaults { } my %domdefaults; my %domconfig = - &Apache::lonnet::get_dom('configuration',['defaults'],$domain); + &Apache::lonnet::get_dom('configuration',['defaults','quotas', + 'requestcourses','inststatus'],$domain); if (ref($domconfig{'defaults'}) eq 'HASH') { $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'); $domdefaults{'auth_arg_def'} = &domain($domain,'auth_arg_def'); } + if (ref($domconfig{'quotas'}) eq 'HASH') { + if (ref($domconfig{'quotas'}{'defaultquota'}) eq 'HASH') { + $domdefaults{'defaultquota'} = $domconfig{'quotas'}{'defaultquota'}; + } else { + $domdefaults{'defaultquota'} = $domconfig{'quotas'}; + } + my @usertools = ('aboutme','blog','portfolio'); + foreach my $item (@usertools) { + if (ref($domconfig{'quotas'}{$item}) eq 'HASH') { + $domdefaults{$item} = $domconfig{'quotas'}{$item}; + } + } + } + if (ref($domconfig{'requestcourses'}) eq 'HASH') { + foreach my $item ('official','unofficial') { + $domdefaults{$item} = $domconfig{'requestcourses'}{$item}; + } + } + if (ref($domconfig{'inststatus'}) eq 'HASH') { + foreach my $item ('inststatustypes','inststatusorder') { + $domdefaults{$item} = $domconfig{'inststatus'}{$item}; + } + } &Apache::lonnet::do_cache_new('domdefaults',$domain,\%domdefaults, $cachetime); return %domdefaults; @@ -1570,9 +1654,14 @@ sub purge_remembered { sub userenvironment { my ($udom,$unam,@what)=@_; + my $items; + foreach my $item (@what) { + $items.=&escape($item).'&'; + } + $items=~s/\&$//; my %returnhash=(); my @answer=split(/\&/, - &reply('get:'.$udom.':'.$unam.':environment:'.join('&',@what), + &reply('get:'.$udom.':'.$unam.':environment:'.$items, &homeserver($unam,$udom))); my $i; for ($i=0;$i<=$#what;$i++) { @@ -1769,7 +1858,7 @@ sub ssi_body { } my $output=''; my $response; - if ($filelink=~/^http\:/) { + if ($filelink=~/^https?\:/) { ($output,$response)=&externalssi($filelink); } else { ($output,$response)=&ssi($filelink,%form); @@ -1992,6 +2081,32 @@ 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"} @@ -2092,6 +2207,7 @@ sub finishuserfileupload { $thumbwidth,$thumbheight) = @_; my $path=$docudom.'/'.$docuname.'/'; my $filepath=$perlvar{'lonDocRoot'}; + my ($fnamepath,$file,$fetchthumb); $file=$fname; if ($fname=~m|/|) { @@ -2106,6 +2222,7 @@ sub finishuserfileupload { mkdir($filepath,0777); } } + # Save the file { if (!open(FH,'>'.$filepath.'/'.$file)) { @@ -2119,6 +2236,11 @@ 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, @@ -2140,7 +2262,7 @@ 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) { @@ -2272,21 +2394,21 @@ 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',$group, @@ -2593,6 +2715,7 @@ sub get_course_adv_roles { my ($cid,$codes) = @_; $cid=$env{'request.course.id'} unless (defined($cid)); my %coursehash=&coursedescription($cid); + my $crstype = &Apache::loncommon::course_type($cid); my %nothide=(); foreach my $user (split(/\s*\,\s*/,$coursehash{'nothideprivileged'})) { if ($user !~ /:/) { @@ -2623,7 +2746,7 @@ sub get_course_adv_roles { $returnhash{$role}=$username.':'.$domain; } } else { - my $key=&plaintext($role); + my $key=&plaintext($role,$crstype); if ($section) { $key.=' ('.&Apache::lonlocal::mt('Section [_1]',$section).')'; } if ($returnhash{$key}) { $returnhash{$key}.=','.$username.':'.$domain; @@ -3757,6 +3880,67 @@ sub set_userprivs { return ($author,$adv); } +sub role_status { + my ($rolekey,$then,$now,$role,$where,$trolecode,$tstatus,$tstart,$tend) = @_; + my @pwhere = (); + if (exists($env{$rolekey}) && $env{$rolekey} ne '') { + (undef,undef,$$role,@pwhere)=split(/\./,$rolekey); + unless (!defined($$role) || $$role eq '') { + $$where=join('.',@pwhere); + $$trolecode=$$role.'.'.$$where; + ($$tstart,$$tend)=split(/\./,$env{$rolekey}); + $$tstatus='is'; + if ($$tstart && $$tstart>$then) { + $$tstatus='future'; + if ($$tstart<$now) { $$tstatus='will'; } + } + if ($$tend) { + if ($$tend<$then) { + $$tstatus='expired'; + } elsif ($$tend<$now) { + $$tstatus='will_not'; + } + } + } + } +} + +sub check_adhoc_privs { + my ($cdom,$cnum,$then,$now,$checkrole) = @_; + my $cckey = 'user.role.'.$checkrole.'./'.$cdom.'/'.$cnum; + if ($env{$cckey}) { + my ($role,$where,$trolecode,$tstart,$tend,$tremark,$tstatus,$tpstart,$tpend); + &role_status($cckey,$then,$now,\$role,\$where,\$trolecode,\$tstatus,\$tstart,\$tend); + unless (($tstatus eq 'is') || ($tstatus eq 'will_not')) { + &set_adhoc_privileges($cdom,$cnum,$checkrole); + } + } else { + &set_adhoc_privileges($cdom,$cnum,$checkrole); + } +} + +sub set_adhoc_privileges { +# role can be cc or ca + my ($dcdom,$pickedcourse,$role) = @_; + my $area = '/'.$dcdom.'/'.$pickedcourse; + my $spec = $role.'.'.$area; + my %userroles = &set_arearole($role,$area,'','',$env{'user.domain'}, + $env{'user.name'}); + my %ccrole = (); + &standard_roleprivs(\%ccrole,$role,$dcdom,$spec,$pickedcourse,$area); + my ($author,$adv)= &set_userprivs(\%userroles,\%ccrole); + &appenv(\%userroles,[$role,'cm']); + &log($env{'user.domain'},$env{'user.name'},$env{'user.home'},"Role ".$role); + &appenv( {'request.role' => $spec, + 'request.role.domain' => $dcdom, + 'request.course.sec' => '' + } + ); + my $tadv=0; + if (&allowed('adv') eq 'F') { $tadv=1; } + &appenv({'request.role.adv' => $tadv}); +} + # --------------------------------------------------------------- get interface sub get { @@ -3792,11 +3976,11 @@ 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); } @@ -4356,6 +4540,148 @@ sub is_portfolio_file { return; } +sub usertools_access { + 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))) { + $udom = $env{'user.domain'}; + $uname = $env{'user.name'}; + } + + if (($udom eq $env{'user.domain'}) && ($uname eq $env{'user.name'})) { + if ($action ne 'reload') { + 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 $env{'user.name'}) && + ($action ne 'reload')) { + $toolstatus = $env{'environment.'.$context.'.'.$tool}; + $inststatus = $env{'environment.inststatus'}; + } else { + my %userenv = &userenvironment($udom,$uname,$context.'.'.$tool); + $toolstatus = $userenv{$context.'.'.$tool}; + $inststatus = $userenv{'inststatus'}; + } + + if ($toolstatus ne '') { + if ($toolstatus) { + $access = 1; + } else { + $access = 0; + } + return $access; + } + + my $is_adv = &is_advanced_user($udom,$uname); + my %domdef = &get_domain_defaults($udom); + if (ref($domdef{$tool}) eq 'HASH') { + if ($is_adv) { + if ($domdef{$tool}{'_LC_adv'} ne '') { + if ($domdef{$tool}{'_LC_adv'}) { + $access = 1; + } else { + $access = 0; + } + return $access; + } + } + if ($inststatus ne '') { + my ($hasaccess,$hasnoaccess); + foreach my $affiliation (split(/:/,$inststatus)) { + if ($domdef{$tool}{$affiliation} ne '') { + if ($domdef{$tool}{$affiliation}) { + $hasaccess = 1; + } else { + $hasnoaccess = 1; + } + } + } + if ($hasaccess || $hasnoaccess) { + if ($hasaccess) { + $access = 1; + } elsif ($hasnoaccess) { + $access = 0; + } + return $access; + } + } else { + if ($domdef{$tool}{'default'} ne '') { + if ($domdef{$tool}{'default'}) { + $access = 1; + } elsif ($domdef{$tool}{'default'} == 0) { + $access = 0; + } + return $access; + } + } + } else { + if ($context eq 'tools') { + $access = 1; + } else { + $access = 0; + } + return $access; + } +} + +sub is_advanced_user { + my ($udom,$uname) = @_; + my %roleshash = &get_my_roles($uname,$udom,'userroles',undef,undef,undef,1); + my %allroles; + my $is_adv; + foreach my $role (keys(%roleshash)) { + my ($trest,$tdomain,$trole,$sec) = split(/:/,$role); + my $area = '/'.$tdomain.'/'.$trest; + if ($sec ne '') { + $area .= '/'.$sec; + } + if (($area ne '') && ($trole ne '')) { + my $spec=$trole.'.'.$area; + if ($trole =~ /^cr\//) { + &custom_roleprivs(\%allroles,$trole,$tdomain,$trest,$spec,$area); + } elsif ($trole ne 'gr') { + &standard_roleprivs(\%allroles,$trole,$tdomain,$spec,$trest,$area); + } + } + } + foreach my $role (keys(%allroles)) { + last if ($is_adv); + foreach my $item (split(/:/,$allroles{$role})) { + if ($item ne '') { + my ($privilege,$restrictions)=split(/&/,$item); + if ($privilege eq 'adv') { + $is_adv = 1; + last; + } + } + } + } + return $is_adv; +} # ---------------------------------------------- Custom access rule evaluation @@ -5442,16 +5768,19 @@ sub devalidate_getgroups_cache { # ------------------------------------------------------------------ Plain Text sub plaintext { - my ($short,$type,$cid) = @_; + my ($short,$type,$cid,$forcedefault) = @_; if ($short =~ /^cr/) { return (split('/',$short))[-1]; } if (!defined($cid)) { $cid = $env{'request.course.id'}; } - if (defined($cid) && defined($env{'course.'.$cid.'.'.$short.'.plaintext'})) { - return &Apache::lonlocal::mt($env{'course.'.$cid.'.'.$short. - '.plaintext'}); + if (defined($cid) && ($env{'course.'.$cid.'.'.$short.'.plaintext'} ne '')) { + unless ($forcedefault) { + my $roletext = $env{'course.'.$cid.'.'.$short.'.plaintext'}; + &Apache::lonlocal::mt_escape(\$roletext); + return &Apache::lonlocal::mt($roletext); + } } my %rolenames = ( Course => 'std', @@ -5672,7 +6001,21 @@ sub modifyuser { if ($email=~/\@/) { $names{'permanentemail'} = $email; } } if ($uid) { $names{'id'} = $uid; } - if (defined($inststatus)) { $names{'inststatus'} = $inststatus; } + if (defined($inststatus)) { + $names{'inststatus'} = ''; + my ($usertypes,$typesorder) = &retrieve_inst_usertypes($udom); + if (ref($usertypes) eq 'HASH') { + my @okstatuses; + foreach my $item (split(/:/,$inststatus)) { + if (defined($usertypes->{$item})) { + push(@okstatuses,$item); + } + } + if (@okstatuses) { + $names{'inststatus'} = join(':', map { &escape($_); } @okstatuses); + } + } + } my $reply = &put('environment', \%names, $udom,$uname); if ($reply ne 'ok') { return 'error: '.$reply; } my $sqlresult = &update_allusers_table($uname,$udom,\%names); @@ -5694,7 +6037,7 @@ sub modifyuser { sub modifystudent { my ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$usec, $end,$start,$forceid,$desiredhome,$email,$type,$locktype,$cid, - $selfenroll,$context)=@_; + $selfenroll,$context,$inststatus)=@_; if (!$cid) { unless ($cid=$env{'request.course.id'}) { return 'not_in_class'; @@ -5703,7 +6046,7 @@ sub modifystudent { # --------------------------------------------------------------- Make the user my $reply=&modifyuser ($udom,$uname,$uid,$umode,$upass,$first,$middle,$last,$gene,$forceid, - $desiredhome,$email); + $desiredhome,$email,$inststatus); unless ($reply eq 'ok') { return $reply; } # This will cause &modify_student_enrollment to get the uid from the # students environment @@ -8160,7 +8503,10 @@ 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()) { @@ -8175,7 +8521,7 @@ sub repcopy_userfile { sub tokenwrapper { my $uri=shift; - $uri=~s|^http\://([^/]+)||; + $uri=~s|^https?\://([^/]+)||; $uri=~s|^/||; $env{'user.environment'}=~/\/([^\/]+)\.id/; my $token=$1; @@ -8183,7 +8529,10 @@ sub tokenwrapper { if ($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 { @@ -8198,7 +8547,10 @@ 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($request); @@ -8280,7 +8632,7 @@ sub filelocation { sub hreflocation { my ($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/-/-; @@ -8476,14 +8828,19 @@ 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); @@ -8777,6 +9134,31 @@ sub get_dns { return %iphost; } + + # + # Given a DNS returns the loncapa host name for that DNS + # + sub host_from_dns { + my ($dns) = @_; + my @hosts; + my $ip; + + if (exists($name_to_ip{$dns})) { + $ip = $name_to_ip{$dns}; + } + if (!$ip) { + $ip = gethostbyname($dns); # Initial translation to IP is in net order. + if (length($ip) == 4) { + $ip = &IO::Socket::inet_ntoa($ip); + } + } + if ($ip) { + @hosts = get_hosts_from_ip($ip); + return $hosts[0]; + } + return undef; + } + } BEGIN { @@ -9058,9 +9440,11 @@ in the user's environment.db and in %env =item * X -B: 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: 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($name) @@ -9157,9 +9541,14 @@ and course level =item * -plaintext($short) : return value in %prp hash (rolesplain.tab); plain text -explanation of a user role term - +plaintext($short,$type,$cid,$forcedefault) : return value in %prp hash +(rolesplain.tab); plain text explanation of a user role term. +$type is Course (default) or Group. +If $forcedefault evaluates to true, text returned will be default +text for $type. Otherwise, if this is a course, the text returned +will be a custom name for the role (if defined in the course's +environment). If no custom name is defined the default is returned. + =item * get_my_roles($uname,$udom,$context,$types,$roles,$roledoms,$withsec) : @@ -9668,8 +10057,15 @@ 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