--- loncom/lonnet/perl/lonnet.pm 2007/03/30 18:18:43 1.855 +++ loncom/lonnet/perl/lonnet.pm 2007/04/04 00:48:23 1.864 @@ -1,7 +1,7 @@ # The LearningOnline Network # TCP networking package # -# $Id: lonnet.pm,v 1.855 2007/03/30 18:18:43 albertel Exp $ +# $Id: lonnet.pm,v 1.864 2007/04/04 00:48:23 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -734,15 +734,27 @@ sub idput { # ------------------------------------------- get items from domain db files sub get_dom { - my ($namespace,$storearr,$udom)=@_; + my ($namespace,$storearr,$udom,$uhome)=@_; my $items=''; foreach my $item (@$storearr) { $items.=&escape($item).'&'; } $items=~s/\&$//; - if (!$udom) { $udom=$env{'user.domain'}; } - if (defined(&domain($udom,'primary'))) { - my $uhome=&domain($udom,'primary'); + if (!$udom) { + $udom=$env{'user.domain'}; + if (defined(&domain($udom,'primary'))) { + $uhome=&domain($udom,'primary'); + } else { + $uhome eq ''; + } + } else { + if (!$uhome) { + if (defined(&domain($udom,'primary'))) { + $uhome=&domain($udom,'primary'); + } + } + } + if ($udom && $uhome && ($uhome ne 'no_host')) { my $rep=&reply("getdom:$udom:$namespace:$items",$uhome); my @pairs=split(/\&/,$rep); if ( $#pairs==0 && $pairs[0] =~ /^(con_lost|error|no_such_host)/i) { @@ -756,17 +768,29 @@ sub get_dom { } return %returnhash; } else { - &logthis("get_dom failed - no primary domain server for $udom"); + &logthis("get_dom failed - no homeserver and/or domain"); } } # -------------------------------------------- put items in domain db files sub put_dom { - my ($namespace,$storehash,$udom)=@_; - if (!$udom) { $udom=$env{'user.domain'}; } - if (defined(&domain($udom,'primary'))) { - my $uhome=&domain($udom,'primary'); + my ($namespace,$storehash,$udom,$uhome)=@_; + if (!$udom) { + $udom=$env{'user.domain'}; + if (defined(&domain($udom,'primary'))) { + $uhome=&domain($udom,'primary'); + } else { + $uhome eq ''; + } + } else { + if (!$uhome) { + if (defined(&domain($udom,'primary'))) { + $uhome=&domain($udom,'primary'); + } + } + } + if ($udom && $uhome && ($uhome ne 'no_host')) { my $items=''; foreach my $item (keys(%$storehash)) { $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&'; @@ -774,7 +798,7 @@ sub put_dom { $items=~s/\&$//; return &reply("putdom:$udom:$namespace:$items",$uhome); } else { - &logthis("put_dom failed - no primary domain server for $udom"); + &logthis("put_dom failed - no homeserver and/or domain"); } } @@ -1516,14 +1540,21 @@ sub clean_filename { # $coursedoc - if true up to the current course # if false # $subdir - directory in userfile to store the file into -# $parser, $allfiles, $codebase - unknown -# +# $parser - instruction to parse file for objects ($parser = parse) +# $allfiles - reference to hash for embedded objects +# $codebase - reference to hash for codebase of java objects +# $desuname - username for permanent storage of uploaded file +# $dsetudom - domain for permanaent storage of uploaded file +# $thumbwidth - width (pixels) of thumbnail to make for uploaded image +# $thumbheight - height (pixels) of thumbnail to make for uploaded image +# # output: url of file in userspace, or error: # or /adm/notfound.html if failure to upload occurse sub userfileupload { - my ($formname,$coursedoc,$subdir,$parser,$allfiles,$codebase,$destuname,$destudom)=@_; + my ($formname,$coursedoc,$subdir,$parser,$allfiles,$codebase,$destuname, + $destudom,$thumbwidth,$thumbheight)=@_; if (!defined($subdir)) { $subdir='unknown'; } my $fname=$env{'form.'.$formname.'.filename'}; $fname=&clean_filename($fname); @@ -1570,7 +1601,7 @@ sub userfileupload { if ($env{'form.folder'} =~ m/^(default|supplemental)/) { return &finishuserfileupload($docuname,$docudom, $formname,$fname,$parser,$allfiles, - $codebase); + $codebase,$thumbwidth,$thumbheight); } else { $fname=$env{'form.folder'}.'/'.$fname; return &process_coursefile('uploaddoc',$docuname,$docudom, @@ -1580,8 +1611,9 @@ sub userfileupload { } elsif (defined($destuname)) { my $docuname=$destuname; my $docudom=$destudom; - return &finishuserfileupload($docuname,$docudom,$formname, - $fname,$parser,$allfiles,$codebase); + return &finishuserfileupload($docuname,$docudom,$formname,$fname, + $parser,$allfiles,$codebase, + $thumbwidth,$thumbheight); } else { my $docuname=$env{'user.name'}; @@ -1590,16 +1622,18 @@ sub userfileupload { $docuname=$env{'course.'.$env{'request.course.id'}.'.num'}; $docudom=$env{'course.'.$env{'request.course.id'}.'.domain'}; } - return &finishuserfileupload($docuname,$docudom,$formname, - $fname,$parser,$allfiles,$codebase); + return &finishuserfileupload($docuname,$docudom,$formname,$fname, + $parser,$allfiles,$codebase, + $thumbwidth,$thumbheight); } } sub finishuserfileupload { - my ($docuname,$docudom,$formname,$fname,$parser,$allfiles,$codebase) = @_; + my ($docuname,$docudom,$formname,$fname,$parser,$allfiles,$codebase, + $thumbwidth,$thumbheight) = @_; my $path=$docudom.'/'.$docuname.'/'; my $filepath=$perlvar{'lonDocRoot'}; - my ($fnamepath,$file); + my ($fnamepath,$file,$fetchthumb); $file=$fname; if ($fname=~m|/|) { ($fnamepath,$file) = ($fname =~ m|^(.*)/([^/]+)$|); @@ -1635,11 +1669,28 @@ sub finishuserfileupload { ' for embedded media: '.$parse_result); } } + if (($thumbwidth =~ /^\d+$/) && ($thumbheight =~ /^\d+$/)) { + my $input = $filepath.'/'.$file; + my $output = $filepath.'/'.'tn-'.$file; + my $thumbsize = $thumbwidth.'x'.$thumbheight; + system("convert -sample $thumbsize $input $output"); + if (-e $filepath.'/'.'tn-'.$file) { + $fetchthumb = 1; + } + } + # Notify homeserver to grep it # my $docuhome=&homeserver($docuname,$docudom); my $fetchresult= &reply('fetchuserfile:'.$path.$file,$docuhome); if ($fetchresult eq 'ok') { + if ($fetchthumb) { + my $thumbresult= &reply('fetchuserfile:'.$path.'tn-'.$file,$docuhome); + if ($thumbresult ne 'ok') { + &logthis('Failed to transfer '.$path.'tn-'.$file.' to host '. + $docuhome.': '.$thumbresult); + } + } # # Return the URL to it return '/uploaded/'.$path.$file; @@ -1647,7 +1698,7 @@ sub finishuserfileupload { &logthis('Failed to transfer '.$path.$file.' to host '.$docuhome. ': '.$fetchresult); return '/adm/notfound.html'; - } + } } sub extract_embedded_items { @@ -2069,11 +2120,16 @@ sub get_course_adv_roles { } sub get_my_roles { - my ($uname,$udom,$types,$roles,$roledoms)=@_; + my ($uname,$udom,$context,$types,$roles,$roledoms)=@_; unless (defined($uname)) { $uname=$env{'user.name'}; } unless (defined($udom)) { $udom=$env{'user.domain'}; } - my %dumphash= + my %dumphash; + if ($context eq 'userroles') { + %dumphash = &dump('roles',$udom,$uname); + } else { + %dumphash= &dump('nohist_userroles',$udom,$uname); + } my %returnhash=(); my $now=time; foreach my $entry (keys(%dumphash)) { @@ -4349,6 +4405,12 @@ sub courselog_query { } sub userlog_query { +# +# possible filters: +# action: log check role +# start: timestamp +# end: timestamp +# my ($uname,$udom,%filters)=@_; return &log_query($uname,$udom,'userlog',%filters); } @@ -6917,7 +6979,6 @@ sub getCODE { sub rndseed { my ($symb,$courseid,$domain,$username)=@_; - my ($wsymb,$wcourseid,$wdomain,$wusername)=&whichuser(); if (!$symb) { unless ($symb=$wsymb) { return time; } @@ -7588,14 +7649,6 @@ sub goodbye { &logthis("Shutting down"); } -BEGIN { -# ----------------------------------- Read loncapa.conf and loncapa_apache.conf - unless ($readit) { -{ - my $configvars = LONCAPA::Configuration::read_conf('loncapa.conf'); - %perlvar = (%perlvar,%{$configvars}); -} - sub get_dns { my ($url,$func) = @_; open(my $config,"<$perlvar{'lonTabDir'}/hosts.tab"); @@ -7630,10 +7683,14 @@ sub get_dns { $this_domain{$field} = shift(@elements); } $domain{$name} = \%this_domain; - &logthis("Domain.tab: $name ".$domain{$name}{'description'} ); } } - + + sub reset_domain_info { + undef($loaded); + undef(%domain); + } + sub load_domain_tab { &get_dns('/adm/dns/domain',\&parse_domain_tab); my $fh; @@ -7679,9 +7736,17 @@ sub get_dns { $hostdom{$id}=$domain; if ($role eq 'library') { $libserv{$id}=$name; } } - &logthis("Hosts.tab: $name ".$id ); } } + + sub reset_hosts_info { + &reset_domain_info(); + &reset_hosts_ip_info(); + undef(%hostname); + undef(%hostdom); + undef(%libserv); + undef($loaded); + } sub load_hosts_tab { &get_dns('/adm/dns/hosts',\&parse_hosts_tab); @@ -7692,9 +7757,6 @@ sub get_dns { $loaded=1; } - # FIXME: dev server don't want this, production servers _do_ want this - #&get_iphost(); - sub hostname { &load_hosts_tab() if (!$loaded); @@ -7761,6 +7823,8 @@ sub get_dns { { my %iphost; + my %name_to_ip; + my %lonid_to_ip; sub get_hosts_from_ip { my ($ip) = @_; my %iphosts = &get_iphost(); @@ -7770,12 +7834,31 @@ sub get_dns { return; } + sub reset_hosts_ip_info { + undef(%iphost); + undef(%name_to_ip); + undef(%lonid_to_ip); + } + + sub get_host_ip { + my ($lonid) = @_; + if (exists($lonid_to_ip{$lonid})) { + return $lonid_to_ip{$lonid}; + } + my $name=&hostname($lonid); + my $ip = gethostbyname($name); + return if (!$ip || length($ip) ne 4); + $ip=inet_ntoa($ip); + $name_to_ip{$name} = $ip; + $lonid_to_ip{$lonid} = $ip; + return $ip; + } + sub get_iphost { if (%iphost) { return %iphost; } - my %name_to_ip; my %hostname = &all_hostnames(); foreach my $id (keys(%hostname)) { - my $name=$hostname{$id}; + my $name=&hostname($id); my $ip; if (!exists($name_to_ip{$name})) { $ip = gethostbyname($name); @@ -7788,12 +7871,23 @@ sub get_dns { } else { $ip = $name_to_ip{$name}; } + $lonid_to_ip{$id} = $ip; push(@{$iphost{$ip}},$id); } return %iphost; } } +BEGIN { + +# ----------------------------------- Read loncapa.conf and loncapa_apache.conf + unless ($readit) { +{ + my $configvars = LONCAPA::Configuration::read_conf('loncapa.conf'); + %perlvar = (%perlvar,%{$configvars}); +} + + # ------------------------------------------------------ Read spare server file { open(my $config,"<$perlvar{'lonTabDir'}/spare.tab"); @@ -8125,6 +8219,16 @@ X B: gets the values of the keys passed in @what from the requested user's environment, returns a hash +=item * +X +B: retrieves data from a user's +activity.log file. %filters defines filters applied when parsing the +log file. These can be start or end timestamps, or the type of action +- log to look for Login or Logout events, check for Checkin or +Checkout, role for role selection. The response is in the form +timestamp1:hostid1:event1×tamp2:hostid2:event2 where events are +escaped strings of the action recorded in the activity.log file. + =back =head2 User Roles @@ -8154,16 +8258,18 @@ explanation of a user role term =item * -get_my_roles($uname,$udom,$types,$roles,$roledoms) : All arguments are -optional. Returns a hash of a user's roles, with keys set to -colon-sparated $uname,$udom,and $role, and value set to -colon-separated start and end times for the role. If no username and -domain are specified, will default to current user/domain. Types, -roles, and roledoms are references to arrays, of role statuses -(active, future or previous), roles (e.g., cc,in, st etc.) and domains -of the roles which can be used to restrict the list if roles -reported. If no array ref is provided for types, will default to -return only active roles. +get_my_roles($uname,$udom,$context,$types,$roles,$roledoms) : +All arguments are optional. Returns a hash of a roles, either for +co-author/assistant author roles for a user's Construction Space +(default), or if $context is 'user', roles for the user himself, +In the hash, keys are set to colon-sparated $uname,$udom,and $role, +and value is set to colon-separated start and end times for the role. +If no username and domain are specified, will default to current +user/domain. Types, roles, and roledoms are references to arrays, +of role statuses (active, future or previous), roles +(e.g., cc,in, st etc.) and domains of the roles which can be used +to restrict the list of roles reported. If no array ref is +provided for types, will default to return only active roles. =back @@ -8588,12 +8694,15 @@ critical subroutine =item * -get_dom($namespace,$storearr,$udomain) : returns hash with keys from array -reference filled in from namespace found in domain level on primary domain server ($udomain is optional) +get_dom($namespace,$storearr,$udom,$uhome) : returns hash with keys from +array reference filled in from namespace found in domain level on either +specified domain server ($uhome) or primary domain server ($udom and $uhome are optional). =item * -put_dom($namespace,$storehash,$udomain) : stores hash in namespace at domain level on primary domain server ($udomain is optional) +put_dom($namespace,$storehash,$udom,$uhome) : stores hash in namespace at +domain level either on specified domain server ($uhome) or primary domain +server ($udom and $uhome are optional) =back