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Diff for /loncom/lonnet/perl/lonnet.pm between versions 1.842 and 1.858

version 1.842, 2007/03/03 01:54:13 version 1.858, 2007/04/03 17:51:50
Line 35  use HTTP::Headers; Line 35  use HTTP::Headers;
 use HTTP::Date;  use HTTP::Date;
 # use Date::Parse;  # use Date::Parse;
 use vars   use vars 
 qw(%perlvar %badServerCache %iphost %spareid %hostdom   qw(%perlvar %badServerCache %spareid 
    %libserv %pr %prp $memcache %packagetab      %pr %prp $memcache %packagetab 
    %courselogs %accesshash %userrolehash %domainrolehash $processmarker $dumpcount      %courselogs %accesshash %userrolehash %domainrolehash $processmarker $dumpcount 
    %coursedombuf %coursenumbuf %coursehombuf %coursedescrbuf %courseinstcodebuf %courseownerbuf %coursetypebuf     %coursedombuf %coursenumbuf %coursehombuf %coursedescrbuf %courseinstcodebuf %courseownerbuf %coursetypebuf
    %domaindescription %domain_auth_def %domain_auth_arg_def   
    %domain_lang_def %domain_city %domain_longi %domain_lati %domain_primary  
    $tmpdir $_64bit %env);     $tmpdir $_64bit %env);
   
 use IO::Socket;  use IO::Socket;
Line 146  sub logperm { Line 144  sub logperm {
     return 1;      return 1;
 }  }
   
   sub create_connection {
       my ($hostname,$lonid) = @_;
       my $client=IO::Socket::UNIX->new(Peer    => $perlvar{'lonSockCreate'},
        Type    => SOCK_STREAM,
        Timeout => 10);
       return 0 if (!$client);
       print $client (join(':',$hostname,$lonid,&machine_ids($lonid))."\n");
       my $result = <$client>;
       chomp($result);
       return 1 if ($result eq 'done');
       return 0;
   }
   
   
 # -------------------------------------------------- Non-critical communication  # -------------------------------------------------- Non-critical communication
 sub subreply {  sub subreply {
     my ($cmd,$server)=@_;      my ($cmd,$server)=@_;
Line 172  sub subreply { Line 184  sub subreply {
       Timeout => 10);        Timeout => 10);
  if($client) {   if($client) {
     last; # Connected!      last; # Connected!
    } else {
       &create_connection(&hostname($server),$server);
  }   }
  sleep(1); # Try again later if failed connection.          sleep(1); # Try again later if failed connection.
     }      }
     my $answer;      my $answer;
     if ($client) {      if ($client) {
Line 727  sub get_dom { Line 741  sub get_dom {
     }      }
     $items=~s/\&$//;      $items=~s/\&$//;
     if (!$udom) { $udom=$env{'user.domain'}; }      if (!$udom) { $udom=$env{'user.domain'}; }
     if (exists($domain_primary{$udom})) {      if (defined(&domain($udom,'primary'))) {
         my $uhome=$domain_primary{$udom};          my $uhome=&domain($udom,'primary');
         my $rep=&reply("getdom:$udom:$namespace:$items",$uhome);          my $rep=&reply("getdom:$udom:$namespace:$items",$uhome);
         my @pairs=split(/\&/,$rep);          my @pairs=split(/\&/,$rep);
         if ( $#pairs==0 && $pairs[0] =~ /^(con_lost|error|no_such_host)/i) {          if ( $#pairs==0 && $pairs[0] =~ /^(con_lost|error|no_such_host)/i) {
Line 751  sub get_dom { Line 765  sub get_dom {
 sub put_dom {  sub put_dom {
     my ($namespace,$storehash,$udom)=@_;      my ($namespace,$storehash,$udom)=@_;
     if (!$udom) { $udom=$env{'user.domain'}; }      if (!$udom) { $udom=$env{'user.domain'}; }
     if (exists($domain_primary{$udom})) {      if (defined(&domain($udom,'primary'))) {
         my $uhome=$domain_primary{$udom};          my $uhome=&domain($udom,'primary');
         my $items='';          my $items='';
         foreach my $item (keys(%$storehash)) {          foreach my $item (keys(%$storehash)) {
             $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&';              $items.=&escape($item).'='.&freeze_escape($$storehash{$item}).'&';
Line 767  sub put_dom { Line 781  sub put_dom {
 sub retrieve_inst_usertypes {  sub retrieve_inst_usertypes {
     my ($udom) = @_;      my ($udom) = @_;
     my (%returnhash,@order);      my (%returnhash,@order);
     if (exists($domain_primary{$udom})) {      if (defined(&domain($udom,'primary'))) {
         my $uhome=$domain_primary{$udom};          my $uhome=&domain($udom,'primary');
         my $rep=&reply("inst_usertypes:$udom",$uhome);          my $rep=&reply("inst_usertypes:$udom",$uhome);
         my ($hashitems,$orderitems) = split(/:/,$rep);           my ($hashitems,$orderitems) = split(/:/,$rep); 
         my @pairs=split(/\&/,$hashitems);          my @pairs=split(/\&/,$hashitems);
Line 1012  my %remembered; Line 1026  my %remembered;
 my %accessed;  my %accessed;
 my $kicks=0;  my $kicks=0;
 my $hits=0;  my $hits=0;
   sub make_key {
       my ($name,$id) = @_;
       if (length($id) > 200) { $id=length($id).':'.&Digest::MD5::md5_hex($id); }
       return &escape($name.':'.$id);
   }
   
 sub devalidate_cache_new {  sub devalidate_cache_new {
     my ($name,$id,$debug) = @_;      my ($name,$id,$debug) = @_;
     if ($debug) { &Apache::lonnet::logthis("deleting $name:$id"); }      if ($debug) { &Apache::lonnet::logthis("deleting $name:$id"); }
     $id=&escape($name.':'.$id);      $id=&make_key($name,$id);
     $memcache->delete($id);      $memcache->delete($id);
     delete($remembered{$id});      delete($remembered{$id});
     delete($accessed{$id});      delete($accessed{$id});
Line 1023  sub devalidate_cache_new { Line 1043  sub devalidate_cache_new {
   
 sub is_cached_new {  sub is_cached_new {
     my ($name,$id,$debug) = @_;      my ($name,$id,$debug) = @_;
     $id=&escape($name.':'.$id);      $id=&make_key($name,$id);
     if (exists($remembered{$id})) {      if (exists($remembered{$id})) {
  if ($debug) { &Apache::lonnet::logthis("Earyl return $id of $remembered{$id} "); }   if ($debug) { &Apache::lonnet::logthis("Earyl return $id of $remembered{$id} "); }
  $accessed{$id}=[&gettimeofday()];   $accessed{$id}=[&gettimeofday()];
Line 1046  sub is_cached_new { Line 1066  sub is_cached_new {
   
 sub do_cache_new {  sub do_cache_new {
     my ($name,$id,$value,$time,$debug) = @_;      my ($name,$id,$value,$time,$debug) = @_;
     $id=&escape($name.':'.$id);      $id=&make_key($name,$id);
     my $setvalue=$value;      my $setvalue=$value;
     if (!defined($setvalue)) {      if (!defined($setvalue)) {
  $setvalue='__undef__';   $setvalue='__undef__';
Line 1496  sub clean_filename { Line 1516  sub clean_filename {
 #        $coursedoc - if true up to the current course  #        $coursedoc - if true up to the current course
 #                     if false  #                     if false
 #        $subdir - directory in userfile to store the file into  #        $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
   # 
 # output: url of file in userspace, or error: <message>   # output: url of file in userspace, or error: <message> 
 #             or /adm/notfound.html if failure to upload occurse  #             or /adm/notfound.html if failure to upload occurse
   
Line 1615  sub finishuserfileupload { Line 1639  sub finishuserfileupload {
      ' for embedded media: '.$parse_result);        ' for embedded media: '.$parse_result); 
         }          }
     }      }
    
 # Notify homeserver to grep it  # Notify homeserver to grep it
 #  #
     my $docuhome=&homeserver($docuname,$docudom);      my $docuhome=&homeserver($docuname,$docudom);
Line 1627  sub finishuserfileupload { Line 1652  sub finishuserfileupload {
         &logthis('Failed to transfer '.$path.$file.' to host '.$docuhome.          &logthis('Failed to transfer '.$path.$file.' to host '.$docuhome.
  ': '.$fetchresult);   ': '.$fetchresult);
         return '/adm/notfound.html';          return '/adm/notfound.html';
     }          }
 }  }
   
 sub extract_embedded_items {  sub extract_embedded_items {
Line 1842  sub flushcourselogs { Line 1867  sub flushcourselogs {
 # Is used in pickcourse  # Is used in pickcourse
 #  #
     foreach my $crs_home (keys(%courseidbuffer)) {      foreach my $crs_home (keys(%courseidbuffer)) {
         &courseidput($hostdom{$crs_home},$courseidbuffer{$crs_home},          &courseidput(&host_domain($crs_home),$courseidbuffer{$crs_home},
      $crs_home);       $crs_home);
     }      }
 #  #
Line 2049  sub get_course_adv_roles { Line 2074  sub get_course_adv_roles {
 }  }
   
 sub get_my_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($uname)) { $uname=$env{'user.name'}; }
     unless (defined($udom)) { $udom=$env{'user.domain'}; }      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,$uname);              &dump('nohist_userroles',$udom,$uname);
       }
     my %returnhash=();      my %returnhash=();
     my $now=time;      my $now=time;
     foreach my $entry (keys(%dumphash)) {      foreach my $entry (keys(%dumphash)) {
Line 2097  sub get_my_roles { Line 2127  sub get_my_roles {
   
 sub postannounce {  sub postannounce {
     my ($server,$text)=@_;      my ($server,$text)=@_;
     unless (&allowed('psa',$hostdom{$server})) { return 'refused'; }      unless (&allowed('psa',&host_domain($server))) { return 'refused'; }
     unless ($text=~/\w/) { $text=''; }      unless ($text=~/\w/) { $text=''; }
     return &reply('setannounce:'.&escape($text),$server);      return &reply('setannounce:'.&escape($text),$server);
 }  }
Line 2133  sub courseiddump { Line 2163  sub courseiddump {
     my ($domfilter,$descfilter,$sincefilter,$instcodefilter,$ownerfilter,$coursefilter,$hostidflag,$hostidref,$typefilter,$regexp_ok)=@_;      my ($domfilter,$descfilter,$sincefilter,$instcodefilter,$ownerfilter,$coursefilter,$hostidflag,$hostidref,$typefilter,$regexp_ok)=@_;
     my %returnhash=();      my %returnhash=();
     unless ($domfilter) { $domfilter=''; }      unless ($domfilter) { $domfilter=''; }
     foreach my $tryserver (keys %libserv) {      my %libserv = &all_library();
         if ( ($hostidflag == 1 && grep/^$tryserver$/,@{$hostidref}) || (!defined($hostidflag)) ) {      foreach my $tryserver (keys(%libserv)) {
     if ((!$domfilter) || ($hostdom{$tryserver} eq $domfilter)) {          if ( (  $hostidflag == 1 
           && grep(/^\Q$tryserver\E$/,@{$hostidref}) ) 
        || (!defined($hostidflag)) ) {
   
       if ($domfilter eq ''
    || (&host_domain($tryserver) eq $domfilter)) {
         foreach my $line (          foreach my $line (
                  split(/\&/,&reply('courseiddump:'.$hostdom{$tryserver}.':'.                   split(/\&/,&reply('courseiddump:'.&host_domain($tryserver).':'.
        $sincefilter.':'.&escape($descfilter).':'.         $sincefilter.':'.&escape($descfilter).':'.
                                &escape($instcodefilter).':'.&escape($ownerfilter).':'.&escape($coursefilter).':'.&escape($typefilter).':'.&escape($regexp_ok),                                 &escape($instcodefilter).':'.&escape($ownerfilter).':'.&escape($coursefilter).':'.&escape($typefilter).':'.&escape($regexp_ok),
                                $tryserver))) {                                 $tryserver))) {
Line 2165  sub dcmailput { Line 2200  sub dcmailput {
 sub dcmaildump {  sub dcmaildump {
     my ($dom,$startdate,$enddate,$senders) = @_;      my ($dom,$startdate,$enddate,$senders) = @_;
     my %returnhash=();      my %returnhash=();
     if (exists($domain_primary{$dom})) {  
       if (defined(&domain($dom,'primary'))) {
         my $cmd='dcmaildump:'.$dom.':'.&escape($startdate).':'.          my $cmd='dcmaildump:'.$dom.':'.&escape($startdate).':'.
                                                          &escape($enddate).':';                                                           &escape($enddate).':';
  my @esc_senders=map { &escape($_)} @$senders;   my @esc_senders=map { &escape($_)} @$senders;
  $cmd.=&escape(join('&',@esc_senders));   $cmd.=&escape(join('&',@esc_senders));
  foreach my $line (split(/\&/,&reply($cmd,$domain_primary{$dom}))) {   foreach my $line (split(/\&/,&reply($cmd,&domain($dom,'primary')))) {
             my ($key,$value) = split(/\=/,$line,2);              my ($key,$value) = split(/\=/,$line,2);
             if (($key) && ($value)) {              if (($key) && ($value)) {
                 $returnhash{&unescape($key)} = &unescape($value);                  $returnhash{&unescape($key)} = &unescape($value);
Line 4170  sub definerole { Line 4206  sub definerole {
 sub metadata_query {  sub metadata_query {
     my ($query,$custom,$customshow,$server_array)=@_;      my ($query,$custom,$customshow,$server_array)=@_;
     my %rhash;      my %rhash;
       my %libserv = &all_library();
     my @server_list = (defined($server_array) ? @$server_array      my @server_list = (defined($server_array) ? @$server_array
                                               : keys(%libserv) );                                                : keys(%libserv) );
     for my $server (@server_list) {      for my $server (@server_list) {
Line 4322  sub courselog_query { Line 4359  sub courselog_query {
 }  }
   
 sub userlog_query {  sub userlog_query {
   #
   # possible filters:
   # action: log check role
   # start: timestamp
   # end: timestamp
   #
     my ($uname,$udom,%filters)=@_;      my ($uname,$udom,%filters)=@_;
     return &log_query($uname,$udom,'userlog',%filters);      return &log_query($uname,$udom,'userlog',%filters);
 }  }
Line 4811  sub modifyuser { Line 4854  sub modifyuser {
     if (($uhome eq 'no_host') &&       if (($uhome eq 'no_host') && 
  (($umode && $upass) || ($umode eq 'localauth'))) {   (($umode && $upass) || ($umode eq 'localauth'))) {
         my $unhome='';          my $unhome='';
         if (defined($desiredhome) && $hostdom{$desiredhome} eq $udom) {           if (defined($desiredhome) && &host_domain($desiredhome) eq $udom) { 
             $unhome = $desiredhome;              $unhome = $desiredhome;
  } elsif($env{'course.'.$env{'request.course.id'}.'.domain'} eq $udom) {   } elsif($env{'course.'.$env{'request.course.id'}.'.domain'} eq $udom) {
     $unhome=$env{'course.'.$env{'request.course.id'}.'.home'};      $unhome=$env{'course.'.$env{'request.course.id'}.'.home'};
Line 5038  sub createcourse { Line 5081  sub createcourse {
    }     }
 # ------------------------------------------------ Check supplied server name  # ------------------------------------------------ Check supplied server name
     $course_server = $env{'user.homeserver'} if (! defined($course_server));      $course_server = $env{'user.homeserver'} if (! defined($course_server));
     if (! exists($libserv{$course_server})) {      if (! &is_library($course_server)) {
         return 'error:bad server name '.$course_server;          return 'error:bad server name '.$course_server;
     }      }
 # ------------------------------------------------------------- Make the course  # ------------------------------------------------------------- Make the course
Line 6171  sub packages_tab_default { Line 6214  sub packages_tab_default {
     $do_default=1;      $do_default=1;
  } elsif ($pack_type eq 'extension') {   } elsif ($pack_type eq 'extension') {
     push(@extension,[$package,$pack_type,$pack_part]);      push(@extension,[$package,$pack_type,$pack_part]);
  } else {   } elsif ($pack_part eq $part) {
       # only look at packages defaults for packages that this id is
     push(@specifics,[$package,$pack_type,$pack_part]);      push(@specifics,[$package,$pack_type,$pack_part]);
  }   }
     }      }
Line 6889  sub getCODE { Line 6933  sub getCODE {
   
 sub rndseed {  sub rndseed {
     my ($symb,$courseid,$domain,$username)=@_;      my ($symb,$courseid,$domain,$username)=@_;
   
     my ($wsymb,$wcourseid,$wdomain,$wusername)=&whichuser();      my ($wsymb,$wcourseid,$wdomain,$wusername)=&whichuser();
     if (!$symb) {      if (!$symb) {
  unless ($symb=$wsymb) { return time; }   unless ($symb=$wsymb) { return time; }
Line 7398  sub hreflocation { Line 7441  sub hreflocation {
 }  }
   
 sub current_machine_domains {  sub current_machine_domains {
     my $hostname=&hostname($perlvar{'lonHostID'});      return &machine_domains(&hostname($perlvar{'lonHostID'}));
   }
   
   sub machine_domains {
       my ($hostname) = @_;
     my @domains;      my @domains;
     my %hostname = &all_hostnames();      my %hostname = &all_hostnames();
     while( my($id, $name) = each(%hostname)) {      while( my($id, $name) = each(%hostname)) {
 # &logthis("-$id-$name-$hostname-");  # &logthis("-$id-$name-$hostname-");
  if ($hostname eq $name) {   if ($hostname eq $name) {
     push(@domains,$hostdom{$id});      push(@domains,&host_domain($id));
  }   }
     }      }
     return @domains;      return @domains;
 }  }
   
 sub current_machine_ids {  sub current_machine_ids {
     my $hostname=&hostname($perlvar{'lonHostID'});      return &machine_ids(&hostname($perlvar{'lonHostID'}));
   }
   
   sub machine_ids {
       my ($hostname) = @_;
       $hostname ||= &hostname($perlvar{'lonHostID'});
     my @ids;      my @ids;
     my %hostname = &all_hostnames();      my %hostname = &all_hostnames();
     while( my($id, $name) = each(%hostname)) {      while( my($id, $name) = each(%hostname)) {
Line 7552  sub goodbye { Line 7604  sub goodbye {
 }  }
   
 BEGIN {  BEGIN {
   
 # ----------------------------------- Read loncapa.conf and loncapa_apache.conf  # ----------------------------------- Read loncapa.conf and loncapa_apache.conf
     unless ($readit) {      unless ($readit) {
 {  {
Line 7559  BEGIN { Line 7612  BEGIN {
     %perlvar = (%perlvar,%{$configvars});      %perlvar = (%perlvar,%{$configvars});
 }  }
   
   sub get_dns {
       my ($url,$func) = @_;
       open(my $config,"<$perlvar{'lonTabDir'}/hosts.tab");
       foreach my $dns (<$config>) {
    next if ($dns !~ /^\^(\S*)/x);
    $dns = $1;
    my $ua=new LWP::UserAgent;
    my $request=new HTTP::Request('GET',"http://$dns$url");
    my $response=$ua->request($request);
    next if ($response->is_error());
    my @content = split("\n",$response->content);
    &$func(\@content);
       }
       close($config);
   }
 # ------------------------------------------------------------ Read domain file  # ------------------------------------------------------------ Read domain file
 {  {
     %domaindescription = ();      my $loaded;
     %domain_auth_def = ();      my %domain;
     %domain_auth_arg_def = ();  
     my $fh;      sub parse_domain_tab {
     if (open($fh,"<".$Apache::lonnet::perlvar{'lonTabDir'}.'/domain.tab')) {   my ($lines) = @_;
  while (my $line = <$fh>) {   foreach my $line (@$lines) {
            next if ($line =~ /^(\#|\s*$)/);      next if ($line =~ /^(\#|\s*$ )/x);
 #           next if /^\#/;  
            chomp $line;      chomp($line);
            my ($domain, $domain_description, $def_auth, $def_auth_arg,      my ($name,@elements) = split(/:/,$line,9);
        $def_lang, $city, $longi, $lati, $primary) = split(/:/,$line,9);      my %this_domain;
    $domain_auth_def{$domain}=$def_auth;      foreach my $field ('description', 'auth_def', 'auth_arg_def',
            $domain_auth_arg_def{$domain}=$def_auth_arg;         'lang_def', 'city', 'longi', 'lati',
    $domaindescription{$domain}=$domain_description;         'primary') {
    $domain_lang_def{$domain}=$def_lang;   $this_domain{$field} = shift(@elements);
    $domain_city{$domain}=$city;      }
    $domain_longi{$domain}=$longi;      $domain{$name} = \%this_domain;
    $domain_lati{$domain}=$lati;      &logthis("Domain.tab: $name ".$domain{$name}{'description'} );
            $domain_primary{$domain}=$primary;   }
       }
       
       sub load_domain_tab {
    &get_dns('/adm/dns/domain',\&parse_domain_tab);
    my $fh;
    if (open($fh,"<".$perlvar{'lonTabDir'}.'/domain.tab')) {
       my @lines = <$fh>;
       &parse_domain_tab(\@lines);
    }
    close($fh);
    $loaded = 1;
       }
   
       sub domain {
    &load_domain_tab() if (!$loaded);
   
  #         &logthis("Domain.tab: $domain, $domain_auth_def{$domain}, $domain_auth_arg_def{$domain},$domaindescription{$domain}");   my ($name,$what) = @_;
 #          &logthis("Domain.tab: $domain ".$domaindescription{$domain} );   return if ( !exists($domain{$name}) );
   
    if (!$what) {
       return $domain{$name}{'description'};
  }   }
    return $domain{$name}{$what};
     }      }
     close ($fh);  
 }  }
   
   
 # ------------------------------------------------------------- Read hosts file  # ------------------------------------------------------------- Read hosts file
 {  {
     my %hostname;      my %hostname;
     open(my $config,"<$perlvar{'lonTabDir'}/hosts.tab");      my %hostdom;
       my %libserv;
       my $loaded;
   
       sub parse_hosts_tab {
    my ($file) = @_;
    foreach my $configline (@$file) {
       next if ($configline =~ /^(\#|\s*$ )/x);
       next if ($configline =~ /^\^/);
       chomp($configline);
       my ($id,$domain,$role,$name)=split(/:/,$configline);
       $name=~s/\s//g;
       if ($id && $domain && $role && $name) {
    $hostname{$id}=$name;
    $hostdom{$id}=$domain;
    if ($role eq 'library') { $libserv{$id}=$name; }
       }
       &logthis("Hosts.tab: $name ".$id );
    }
       }
   
     while (my $configline=<$config>) {      sub load_hosts_tab {
        next if ($configline =~ /^(\#|\s*$)/);   &get_dns('/adm/dns/hosts',\&parse_hosts_tab);
        chomp($configline);   open(my $config,"<$perlvar{'lonTabDir'}/hosts.tab");
        my ($id,$domain,$role,$name)=split(/:/,$configline);   my @config = <$config>;
        $name=~s/\s//g;   &parse_hosts_tab(\@config);
        if ($id && $domain && $role && $name) {   close($config);
  $hostname{$id}=$name;   $loaded=1;
  $hostdom{$id}=$domain;  
  if ($role eq 'library') { $libserv{$id}=$name; }  
        }  
     }      }
     close($config);  
     # FIXME: dev server don't want this, production servers _do_ want this      # FIXME: dev server don't want this, production servers _do_ want this
     #&get_iphost();      #&get_iphost();
   
     sub hostname {      sub hostname {
    &load_hosts_tab() if (!$loaded);
   
  my ($lonid) = @_;   my ($lonid) = @_;
  return $hostname{$lonid};   return $hostname{$lonid};
     }      }
   
     sub all_hostnames {      sub all_hostnames {
    &load_hosts_tab() if (!$loaded);
   
  return %hostname;   return %hostname;
     }      }
   
       sub is_library {
    &load_hosts_tab() if (!$loaded);
   
    return exists($libserv{$_[0]});
       }
   
       sub all_library {
    &load_hosts_tab() if (!$loaded);
   
    return %libserv;
       }
   
     sub get_servers {      sub get_servers {
    &load_hosts_tab() if (!$loaded);
   
  my ($domain,$type) = @_;   my ($domain,$type) = @_;
  my %possible_hosts = ($type eq 'library') ? %libserv   my %possible_hosts = ($type eq 'library') ? %libserv
                                           : %hostname;                                            : %hostname;
  my %result;   my %result;
  if (ref($domain) eq 'ARRAY') {   if (ref($domain) eq 'ARRAY') {
     while ( my ($host,$hostname) = each(%possible_hosts)) {      while ( my ($host,$hostname) = each(%possible_hosts)) {
  if (grep(/\Q$hostdom{$host}\E/,@$domain)) {   if (grep(/^\Q$hostdom{$host}\E$/,@$domain)) {
     $result{$host} = $hostname;      $result{$host} = $hostname;
  }   }
     }      }
Line 7636  BEGIN { Line 7758  BEGIN {
  }   }
  return %result;   return %result;
     }      }
   
       sub host_domain {
    &load_hosts_tab() if (!$loaded);
   
    my ($lonid) = @_;
    return $hostdom{$lonid};
       }
   
     sub all_domains {      sub all_domains {
    &load_hosts_tab() if (!$loaded);
   
  my %seen;   my %seen;
  my @uniq = grep(!$seen{$_}++, values(%hostdom));   my @uniq = grep(!$seen{$_}++, values(%hostdom));
  return @uniq;   return @uniq;
     }      }
 }  }
   
 sub get_hosts_from_ip {  { 
     my ($ip) = @_;      my %iphost;
     my %iphosts = &get_iphost();      my %name_to_ip;
     if (ref($iphosts{$ip})) {      my %lonid_to_ip;
  return @{$iphosts{$ip}};      sub get_hosts_from_ip {
    my ($ip) = @_;
    my %iphosts = &get_iphost();
    if (ref($iphosts{$ip})) {
       return @{$iphosts{$ip}};
    }
    return;
     }      }
     return;  
 }  
   
 sub get_iphost {      sub get_host_ip {
     if (%iphost) { return %iphost; }   my ($lonid) = @_;
     my %name_to_ip;   if (exists($lonid_to_ip{$lonid})) {
     my %hostname = &all_hostnames();      return $lonid_to_ip{$lonid};
     foreach my $id (keys(%hostname)) {   }
  my $name=$hostname{$id};   my $name=&hostname($lonid);
  my $ip;      my $ip = gethostbyname($name);
  if (!exists($name_to_ip{$name})) {   return if (!$ip || length($ip) ne 4);
     $ip = gethostbyname($name);   $ip=inet_ntoa($ip);
     if (!$ip || length($ip) ne 4) {   $name_to_ip{$name}   = $ip;
  &logthis("Skipping host $id name $name no IP found");   $lonid_to_ip{$lonid} = $ip;
  next;   return $ip;
       }
       
       sub get_iphost {
    if (%iphost) { return %iphost; }
    my %hostname = &all_hostnames();
    foreach my $id (keys(%hostname)) {
       my $name=$hostname{$id};
       my $ip;
       if (!exists($name_to_ip{$name})) {
    $ip = gethostbyname($name);
    if (!$ip || length($ip) ne 4) {
       &logthis("Skipping host $id name $name no IP found");
       next;
    }
    $ip=inet_ntoa($ip);
    $name_to_ip{$name} = $ip;
       } else {
    $ip = $name_to_ip{$name};
     }      }
     $ip=inet_ntoa($ip);      $lonid_to_ip{$id} = $ip;
     $name_to_ip{$name} = $ip;      push(@{$iphost{$ip}},$id);
  } else {  
     $ip = $name_to_ip{$name};  
  }   }
  push(@{$iphost{$ip}},$id);   return %iphost;
     }      }
     return %iphost;  
 }  }
   
 # ------------------------------------------------------ Read spare server file  # ------------------------------------------------------ Read spare server file
Line 8006  X<userenvironment()> Line 8157  X<userenvironment()>
 B<userenvironment($udom,$uname,@what)>: gets the values of the keys  B<userenvironment($udom,$uname,@what)>: gets the values of the keys
 passed in @what from the requested user's environment, returns a hash  passed in @what from the requested user's environment, returns a hash
   
   =item * 
   X<userlog_query()>
   B<userlog_query($uname,$udom,%filters)>: 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&timestamp2:hostid2:event2 where events are escaped strings of the action recorded in the activity.log file.
   
 =back  =back
   
 =head2 User Roles  =head2 User Roles
Line 8035  explanation of a user role term Line 8190  explanation of a user role term
   
 =item *  =item *
   
 get_my_roles($uname,$udom,$types,$roles,$roledoms) : All arguments are  get_my_roles($uname,$udom,$context,$types,$roles,$roledoms) :
 optional.  Returns a hash of a user's roles, with keys set to  All arguments are optional. Returns a hash of a roles, either for
 colon-sparated $uname,$udom,and $role, and value set to  co-author/assistant author roles for a user's Construction Space
 colon-separated start and end times for the role. If no username and  (default), or if $context is 'user', roles for the user himself,
 domain are specified, will default to current user/domain. Types,  In the hash, keys are set to colon-sparated $uname,$udom,and $role,
 roles, and roledoms are references to arrays, of role statuses  and value is set to colon-separated start and end times for the role.
 (active, future or previous), roles (e.g., cc,in, st etc.) and domains  If no username and domain are specified, will default to current
 of the roles which can be used to restrict the list if roles  user/domain. Types, roles, and roledoms are references to arrays,
 reported. If no array ref is provided for types, will default to  of role statuses (active, future or previous), roles 
 return only active 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  =back
   
Removed from v.1.842  
changed lines
  Added in v.1.858

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