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Diff for /loncom/lond between versions 1.311 and 1.325

version 1.311, 2006/01/31 15:37:41 version 1.325, 2006/05/11 17:53:22
Line 31 Line 31
   
 use strict;  use strict;
 use lib '/home/httpd/lib/perl/';  use lib '/home/httpd/lib/perl/';
   use LONCAPA;
 use LONCAPA::Configuration;  use LONCAPA::Configuration;
   
 use IO::Socket;  use IO::Socket;
Line 53  use LONCAPA::ConfigFileEdit; Line 54  use LONCAPA::ConfigFileEdit;
 use LONCAPA::lonlocal;  use LONCAPA::lonlocal;
 use LONCAPA::lonssl;  use LONCAPA::lonssl;
 use Fcntl qw(:flock);  use Fcntl qw(:flock);
   use Symbol;
   
 my $DEBUG = 0;       # Non zero to enable debug log entries.  my $DEBUG = 0;       # Non zero to enable debug log entries.
   
 my $status='';  my $status='';
 my $lastlog='';  my $lastlog='';
   my $lond_max_wait_time = 13;
   
 my $VERSION='$Revision$'; #' stupid emacs  my $VERSION='$Revision$'; #' stupid emacs
 my $remoteVERSION;  my $remoteVERSION;
Line 971  sub tie_domain_hash { Line 974  sub tie_domain_hash {
           
     my $user_top_dir   = $perlvar{'lonUsersDir'};      my $user_top_dir   = $perlvar{'lonUsersDir'};
     my $domain_dir     = $user_top_dir."/$domain";      my $domain_dir     = $user_top_dir."/$domain";
     my $resource_file  = $domain_dir."/$namespace.db";      my $resource_file  = $domain_dir."/$namespace";
     my %hash;      return &_locking_hash_tie($resource_file,$namespace,$how,$loghead,$logtail);
     if(tie(%hash, 'GDBM_File', $resource_file, $how, 0640)) {  
  if (defined($loghead)) { # Need to log the operation.  
     my $logFh = IO::File->new(">>$domain_dir/$namespace.hist");  
     if($logFh) {  
  my $timestamp = time;  
  print $logFh "$loghead:$timestamp:$logtail\n";  
     }  
     $logFh->close;  
  }  
  return \%hash; # Return the tied hash.  
     } else {  
  return undef; # Tie failed.  
     }  
 }  }
   
 sub untie_domain_hash {  sub untie_domain_hash {
     my ($hashref) = @_;      return &_locking_hash_untie(@_);
     untie(%$hashref);  
 }  }
 #  #
 #   Ties a user's resource file to a hash.    #   Ties a user's resource file to a hash.  
Line 1017  sub tie_user_hash { Line 1006  sub tie_user_hash {
     $namespace=~s/\//\_/g; # / -> _      $namespace=~s/\//\_/g; # / -> _
     $namespace=~s/\W//g; # whitespace eliminated.      $namespace=~s/\W//g; # whitespace eliminated.
     my $proname     = propath($domain, $user);      my $proname     = propath($domain, $user);
      
     #  Tie the database.      my $file_prefix="$proname/$namespace";
           return &_locking_hash_tie($file_prefix,$namespace,$how,$loghead,$what);
   }
   
   sub untie_user_hash {
       return &_locking_hash_untie(@_);
   }
   
   # internal routines that handle the actual tieing and untieing process
   
   sub _do_hash_tie {
       my ($file_prefix,$namespace,$how,$loghead,$what) = @_;
     my %hash;      my %hash;
     if(tie(%hash, 'GDBM_File', "$proname/$namespace.db",      if(tie(%hash, 'GDBM_File', "$file_prefix.db", $how, 0640)) {
    $how, 0640)) {  
  # If this is a namespace for which a history is kept,   # If this is a namespace for which a history is kept,
  # make the history log entry:       # make the history log entry:    
  if (($namespace !~/^nohist\_/) && (defined($loghead))) {   if (($namespace !~/^nohist\_/) && (defined($loghead))) {
     my $args = scalar @_;      my $args = scalar @_;
     Debug(" Opening history: $namespace $args");      Debug(" Opening history: $file_prefix $args");
     my $hfh = IO::File->new(">>$proname/$namespace.hist");       my $hfh = IO::File->new(">>$file_prefix.hist"); 
     if($hfh) {      if($hfh) {
  my $now = time;   my $now = time;
  print $hfh "$loghead:$now:$what\n";   print $hfh "$loghead:$now:$what\n";
Line 1039  sub tie_user_hash { Line 1037  sub tie_user_hash {
     } else {      } else {
  return undef;   return undef;
     }      }
       
 }  }
   
 sub untie_user_hash {  sub _do_hash_untie {
     my ($hashref) = @_;      my ($hashref) = @_;
     my $result = untie(%$hashref);      my $result = untie(%$hashref);
     return $result;      return $result;
 }  }
   
   {
       my $sym;
   
       sub _locking_hash_tie {
    my ($file_prefix,$namespace,$how,$loghead,$what) = @_;
   
    my ($lock);
       
    if ($how eq &GDBM_READER()) {
       $lock=LOCK_SH;
       $how=$how|&GDBM_NOLOCK();
       #if the db doesn't exist we can't read from it
       if (! -e "$file_prefix.db") {
    $! = 2;
    return undef;
       }
    } elsif ($how eq &GDBM_WRCREAT()) {
       $lock=LOCK_EX;
       $how=$how|&GDBM_NOLOCK();
       if (! -e "$file_prefix.db") {
    # doesn't exist but we need it to in order to successfully
                   # lock it so bring it into existance
    open(TOUCH,">>$file_prefix.db");
    close(TOUCH);
       }
    } else {
       &logthis("Unknown method $how for $file_prefix");
       die();
    }
       
    $sym=&Symbol::gensym();
    open($sym,"$file_prefix.db");
    my $failed=0;
    eval {
       local $SIG{__DIE__}='DEFAULT';
       local $SIG{ALRM}=sub { 
    $failed=1;
    die("failed lock");
       };
       alarm($lond_max_wait_time);
       flock($sym,$lock);
       alarm(0);
    };
    if ($failed) {
       $! = 100; # throwing error # 100
       return undef;
    }
    return &_do_hash_tie($file_prefix,$namespace,$how,$loghead,$what);
       }
   
       sub _locking_hash_untie {
    my ($hashref) = @_;
    my $result = untie(%$hashref);
    flock($sym,LOCK_UN);
    close($sym);
    undef($sym);
    return $result;
       }
   }
   
 #   read_profile  #   read_profile
 #  #
 #   Returns a set of specific entries from a user's profile file.  #   Returns a set of specific entries from a user's profile file.
Line 2394  sub put_user_profile_entry { Line 2452  sub put_user_profile_entry {
  $userinput);   $userinput);
     }      }
  } else {   } else {
     &Failure( $client, "error: ".($!)." tie(GDBM) Failed ".      &Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ".
      "while attempting put\n", $userinput);       "while attempting put\n", $userinput);
  }   }
     } else {      } else {
Line 2430  sub newput_user_profile_entry { Line 2488  sub newput_user_profile_entry {
     my $hashref = &tie_user_hash($udom, $uname, $namespace,      my $hashref = &tie_user_hash($udom, $uname, $namespace,
  &GDBM_WRCREAT(),"N",$what);   &GDBM_WRCREAT(),"N",$what);
     if(!$hashref) {      if(!$hashref) {
  &Failure( $client, "error: ".($!)." tie(GDBM) Failed ".   &Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ".
   "while attempting put\n", $userinput);    "while attempting put\n", $userinput);
  return 1;   return 1;
     }      }
Line 2620  sub roles_delete_handler { Line 2678  sub roles_delete_handler {
  foreach my $key (@rolekeys) {   foreach my $key (@rolekeys) {
     delete $hashref->{$key};      delete $hashref->{$key};
  }   }
  if (&untie_user_hash(%$hashref)) {   if (&untie_user_hash($hashref)) {
     &Reply($client, "ok\n", $userinput);      &Reply($client, "ok\n", $userinput);
  } else {   } else {
     &Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ".      &Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ".
Line 2761  sub delete_profile_entry { Line 2819  sub delete_profile_entry {
  foreach my $key (@keys) {   foreach my $key (@keys) {
     delete($hashref->{$key});      delete($hashref->{$key});
  }   }
  if (&untie_user_hash(%$hashref)) {   if (&untie_user_hash($hashref)) {
     &Reply($client, "ok\n", $userinput);      &Reply($client, "ok\n", $userinput);
  } else {   } else {
     &Failure($client, "error: ".($!+0)." untie(GDBM) Failed ".      &Failure($client, "error: ".($!+0)." untie(GDBM) Failed ".
Line 2803  sub get_profile_keys { Line 2861  sub get_profile_keys {
  foreach my $key (keys %$hashref) {   foreach my $key (keys %$hashref) {
     $qresult.="$key&";      $qresult.="$key&";
  }   }
  if (&untie_user_hash(%$hashref)) {   if (&untie_user_hash($hashref)) {
     $qresult=~s/\&$//;      $qresult=~s/\&$//;
     &Reply($client, "$qresult\n", $userinput);      &Reply($client, "$qresult\n", $userinput);
  } else {   } else {
Line 3036  sub store_handler { Line 3094  sub store_handler {
 }  }
 &register_handler("store", \&store_handler, 0, 1, 0);  &register_handler("store", \&store_handler, 0, 1, 0);
   
   #  Modify a set of key=value pairs associated with a versioned name.
   #
   #  Parameters:
   #    $cmd                - Request command keyword.
   #    $tail               - Tail of the request.  This is a colon
   #                          separated list containing:
   #                          domain/user - User and authentication domain.
   #                          namespace   - Name of the database being modified
   #                          rid         - Resource keyword to modify.
   #                          v           - Version item to modify
   #                          what        - new value associated with rid.
   #
   #    $client             - Socket open on the client.
   #
   #
   #  Returns:
   #      1 (keep on processing).
   #  Side-Effects:
   #    Writes to the client
   sub putstore_handler {
       my ($cmd, $tail, $client) = @_;
    
       my $userinput = "$cmd:$tail";
   
       my ($udom,$uname,$namespace,$rid,$v,$what) =split(/:/,$tail);
       if ($namespace ne 'roles') {
   
    chomp($what);
    my $hashref  = &tie_user_hash($udom, $uname, $namespace,
          &GDBM_WRCREAT(), "M",
          "$rid:$v:$what");
    if ($hashref) {
       my $now = time;
       my %data = &hash_extract($what);
       my @allkeys;
       while (my($key,$value) = each(%data)) {
    push(@allkeys,$key);
    $hashref->{"$v:$rid:$key"} = $value;
       }
       my $allkeys = join(':',@allkeys);
       $hashref->{"$v:keys:$rid"}=$allkeys;
   
       if (&untie_user_hash($hashref)) {
    &Reply($client, "ok\n", $userinput);
       } else {
    &Failure($client, "error: ".($!+0)." untie(GDBM) Failed ".
    "while attempting store\n", $userinput);
       }
    } else {
       &Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ".
        "while attempting store\n", $userinput);
    }
       } else {
    &Failure($client, "refused\n", $userinput);
       }
   
       return 1;
   }
   &register_handler("putstore", \&putstore_handler, 0, 1, 0);
   
   sub hash_extract {
       my ($str)=@_;
       my %hash;
       foreach my $pair (split(/\&/,$str)) {
    my ($key,$value)=split(/=/,$pair);
    $hash{$key}=$value;
       }
       return (%hash);
   }
   sub hash_to_str {
       my ($hash_ref)=@_;
       my $str;
       foreach my $key (keys(%$hash_ref)) {
    $str.=$key.'='.$hash_ref->{$key}.'&';
       }
       $str=~s/\&$//;
       return $str;
   }
   
 #  #
 #  Dump out all versions of a resource that has key=value pairs associated  #  Dump out all versions of a resource that has key=value pairs associated
 # with it for each version.  These resources are built up via the store  # with it for each version.  These resources are built up via the store
Line 3104  sub restore_handler { Line 3241  sub restore_handler {
 &register_handler("restore", \&restore_handler, 0,1,0);  &register_handler("restore", \&restore_handler, 0,1,0);
   
 #  #
 #   Add a chat message to to a discussion board.  #   Add a chat message to a synchronous discussion board.
 #  #
 # Parameters:  # Parameters:
 #    $cmd                - Request keyword.  #    $cmd                - Request keyword.
 #    $tail               - Tail of the command. A colon separated list  #    $tail               - Tail of the command. A colon separated list
 #                          containing:  #                          containing:
 #                          cdom    - Domain on which the chat board lives  #                          cdom    - Domain on which the chat board lives
 #                          cnum    - Identifier of the discussion group.  #                          cnum    - Course containing the chat board.
 #                          post    - Body of the posting.  #                          newpost - Body of the posting.
   #                          group   - Optional group, if chat board is only 
   #                                    accessible in a group within the course 
 #   $client              - Socket open on the client.  #   $client              - Socket open on the client.
 # Returns:  # Returns:
 #   1    - Indicating caller should keep on processing.  #   1    - Indicating caller should keep on processing.
Line 3127  sub send_chat_handler { Line 3266  sub send_chat_handler {
           
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
   
     my ($cdom,$cnum,$newpost)=split(/\:/,$tail);      my ($cdom,$cnum,$newpost,$group)=split(/\:/,$tail);
     &chat_add($cdom,$cnum,$newpost);      &chat_add($cdom,$cnum,$newpost,$group);
     &Reply($client, "ok\n", $userinput);      &Reply($client, "ok\n", $userinput);
   
     return 1;      return 1;
Line 3136  sub send_chat_handler { Line 3275  sub send_chat_handler {
 &register_handler("chatsend", \&send_chat_handler, 0, 1, 0);  &register_handler("chatsend", \&send_chat_handler, 0, 1, 0);
   
 #  #
 #   Retrieve the set of chat messagss from a discussion board.  #   Retrieve the set of chat messages from a discussion board.
 #  #
 #  Parameters:  #  Parameters:
 #    $cmd             - Command keyword that initiated the request.  #    $cmd             - Command keyword that initiated the request.
Line 3146  sub send_chat_handler { Line 3285  sub send_chat_handler {
 #                       chat id        - Discussion thread(?)  #                       chat id        - Discussion thread(?)
 #                       domain/user    - Authentication domain and username  #                       domain/user    - Authentication domain and username
 #                                        of the requesting person.  #                                        of the requesting person.
   #                       group          - Optional course group containing
   #                                        the board.      
 #   $client           - Socket open on the client program.  #   $client           - Socket open on the client program.
 # Returns:  # Returns:
 #    1     - continue processing  #    1     - continue processing
Line 3158  sub retrieve_chat_handler { Line 3299  sub retrieve_chat_handler {
   
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
   
     my ($cdom,$cnum,$udom,$uname)=split(/\:/,$tail);      my ($cdom,$cnum,$udom,$uname,$group)=split(/\:/,$tail);
     my $reply='';      my $reply='';
     foreach (&get_chat($cdom,$cnum,$udom,$uname)) {      foreach (&get_chat($cdom,$cnum,$udom,$uname,$group)) {
  $reply.=&escape($_).':';   $reply.=&escape($_).':';
     }      }
     $reply=~s/\:$//;      $reply=~s/\:$//;
Line 4279  sub get_institutional_code_format_handle Line 4420  sub get_institutional_code_format_handle
 &register_handler("autoinstcodeformat",  &register_handler("autoinstcodeformat",
   \&get_institutional_code_format_handler,0,1,0);    \&get_institutional_code_format_handler,0,1,0);
   
   # Get domain specific conditions for import of student photographs to a course
   #
   # Retrieves information from photo_permission subroutine in localenroll.
   # Returns outcome (ok) if no processing errors, and whether course owner is 
   # required to accept conditions of use (yes/no).
   #
   #    
   sub photo_permission_handler {
       my ($cmd, $tail, $client)   = @_;
       my $userinput               = "$cmd:$tail";
       my $cdom = $tail;
       my ($perm_reqd,$conditions);
       my $outcome;
       eval {
    local($SIG{__DIE__})='DEFAULT';
    $outcome = &localenroll::photo_permission($cdom,\$perm_reqd,
     \$conditions);
       };
       if (!$@) {
    &Reply($client, &escape($outcome.':'.$perm_reqd.':'. $conditions)."\n",
          $userinput);
       } else {
    &Failure($client,"unknown_cmd\n",$userinput);
       }
       return 1;
   }
   &register_handler("autophotopermission",\&photo_permission_handler,0,1,0);
   
   #
   # Checks if student photo is available for a user in the domain, in the user's
   # directory (in /userfiles/internal/studentphoto.jpg).
   # Uses localstudentphoto:fetch() to ensure there is an up to date copy of
   # the student's photo.   
   
   sub photo_check_handler {
       my ($cmd, $tail, $client)   = @_;
       my $userinput               = "$cmd:$tail";
       my ($udom,$uname,$pid) = split(/:/,$tail);
       $udom = &unescape($udom);
       $uname = &unescape($uname);
       $pid = &unescape($pid);
       my $path=&propath($udom,$uname).'/userfiles/internal/';
       if (!-e $path) {
           &mkpath($path);
       }
       my $response;
       my $result = &localstudentphoto::fetch($udom,$uname,$pid,\$response);
       $result .= ':'.$response;
       &Reply($client, &escape($result)."\n",$userinput);
       return 1;
   }
   &register_handler("autophotocheck",\&photo_check_handler,0,1,0);
   
   #
   # Retrieve information from localenroll about whether to provide a button     
   # for users who have enbled import of student photos to initiate an 
   # update of photo files for registered students. Also include 
   # comment to display alongside button.  
   
   sub photo_choice_handler {
       my ($cmd, $tail, $client) = @_;
       my $userinput             = "$cmd:$tail";
       my $cdom                  = &unescape($tail);
       my ($update,$comment);
       eval {
    local($SIG{__DIE__})='DEFAULT';
    ($update,$comment)    = &localenroll::manager_photo_update($cdom);
       };
       if (!$@) {
    &Reply($client,&escape($update).':'.&escape($comment)."\n",$userinput);
       } else {
    &Failure($client,"unknown_cmd\n",$userinput);
       }
       return 1;
   }
   &register_handler("autophotochoice",\&photo_choice_handler,0,1,0);
   
 #  #
 # Gets a student's photo to exist (in the correct image type) in the user's   # Gets a student's photo to exist (in the correct image type) in the user's 
 # directory.  # directory.
Line 4291  sub get_institutional_code_format_handle Line 4509  sub get_institutional_code_format_handle
 #    $client  - The socket open on the client.  #    $client  - The socket open on the client.
 # Returns:  # Returns:
 #    1 - continue processing.  #    1 - continue processing.
   
 sub student_photo_handler {  sub student_photo_handler {
     my ($cmd, $tail, $client) = @_;      my ($cmd, $tail, $client) = @_;
     my ($domain,$uname,$type) = split(/:/, $tail);      my ($domain,$uname,$ext,$type) = split(/:/, $tail);
   
     my $path=&propath($domain,$uname).      my $path=&propath($domain,$uname). '/userfiles/internal/';
  '/userfiles/internal/studentphoto.'.$type;      my $filename = 'studentphoto.'.$ext;
     if (-e $path) {      if ($type eq 'thumbnail') {
           $filename = 'studentphoto_tn.'.$ext;
       }
       if (-e $path.$filename) {
  &Reply($client,"ok\n","$cmd:$tail");   &Reply($client,"ok\n","$cmd:$tail");
  return 1;   return 1;
     }      }
     &mkpath($path);      &mkpath($path);
     my $file=&localstudentphoto::fetch($domain,$uname);      my $file;
       if ($type eq 'thumbnail') {
    eval {
       local($SIG{__DIE__})='DEFAULT';
       $file=&localstudentphoto::fetch_thumbnail($domain,$uname);
    };
       } else {
           $file=&localstudentphoto::fetch($domain,$uname);
       }
     if (!$file) {      if (!$file) {
  &Failure($client,"unavailable\n","$cmd:$tail");   &Failure($client,"unavailable\n","$cmd:$tail");
  return 1;   return 1;
     }      }
     if (!-e $path) { &convert_photo($file,$path); }      if (!-e $path.$filename) { &convert_photo($file,$path.$filename); }
     if (-e $path) {      if (-e $path.$filename) {
  &Reply($client,"ok\n","$cmd:$tail");   &Reply($client,"ok\n","$cmd:$tail");
  return 1;   return 1;
     }      }
Line 4369  sub process_request { Line 4599  sub process_request {
                                 # fix all the userinput -> user_input.                                  # fix all the userinput -> user_input.
     my $wasenc    = 0; # True if request was encrypted.      my $wasenc    = 0; # True if request was encrypted.
 # ------------------------------------------------------------ See if encrypted  # ------------------------------------------------------------ See if encrypted
       # for command
       # sethost:<server>
       # <command>:<args>
       #   we just send it to the processor
       # for
       # sethost:<server>:<command>:<args>
       #  we do the implict set host and then do the command
       if ($userinput =~ /^sethost:/) {
    (my $cmd,my $newid,$userinput) = split(':',$userinput,3);
    if (defined($userinput)) {
       &sethost("$cmd:$newid");
    } else {
       $userinput = "$cmd:$newid";
    }
       }
   
     if ($userinput =~ /^enc/) {      if ($userinput =~ /^enc/) {
  $userinput = decipher($userinput);   $userinput = decipher($userinput);
  $wasenc=1;   $wasenc=1;
Line 4932  sub status { Line 5178  sub status {
     $0='lond: '.$what.' '.$local;      $0='lond: '.$what.' '.$local;
 }  }
   
 # -------------------------------------------------------- Escape Special Chars  
   
 sub escape {  
     my $str=shift;  
     $str =~ s/(\W)/"%".unpack('H2',$1)/eg;  
     return $str;  
 }  
   
 # ----------------------------------------------------- Un-Escape Special Chars  
   
 sub unescape {  
     my $str=shift;  
     $str =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;  
     return $str;  
 }  
   
 # ----------------------------------------------------------- Send USR1 to lonc  # ----------------------------------------------------------- Send USR1 to lonc
   
 sub reconlonc {  sub reconlonc {
Line 5022  sub sub_sql_reply { Line 5252  sub sub_sql_reply {
                                       Type    => SOCK_STREAM,                                        Type    => SOCK_STREAM,
                                       Timeout => 10)                                        Timeout => 10)
        or return "con_lost";         or return "con_lost";
     print $sclient "$cmd\n";      print $sclient "$cmd:$currentdomainid\n";
     my $answer=<$sclient>;      my $answer=<$sclient>;
     chomp($answer);      chomp($answer);
     if (!$answer) { $answer="con_lost"; }      if (!$answer) { $answer="con_lost"; }
Line 5357  sub is_author { Line 5587  sub is_author {
   
     #  Author role should show up as a key /domain/_au      #  Author role should show up as a key /domain/_au
   
     my $key   = "/$domain/_au";      my $key    = "/$domain/_au";
     my $value = $hashref->{$key};      my $value;
       if (defined($hashref)) {
    $value = $hashref->{$key};
       }
   
     if(defined($value)) {      if(defined($value)) {
  &Debug("$user @ $domain is an author");   &Debug("$user @ $domain is an author");
Line 5631  sub addline { Line 5864  sub addline {
 }  }
   
 sub get_chat {  sub get_chat {
     my ($cdom,$cname,$udom,$uname)=@_;      my ($cdom,$cname,$udom,$uname,$group)=@_;
   
     my @entries=();      my @entries=();
     my $hashref = &tie_user_hash($cdom, $cname, 'nohist_chatroom',      my $namespace = 'nohist_chatroom';
       my $namespace_inroom = 'nohist_inchatroom';
       if (defined($group)) {
           $namespace .= '_'.$group;
           $namespace_inroom .= '_'.$group;
       }
       my $hashref = &tie_user_hash($cdom, $cname, $namespace,
  &GDBM_READER());   &GDBM_READER());
     if ($hashref) {      if ($hashref) {
  @entries=map { $_.':'.$hashref->{$_} } sort(keys(%$hashref));   @entries=map { $_.':'.$hashref->{$_} } sort(keys(%$hashref));
Line 5642  sub get_chat { Line 5881  sub get_chat {
     }      }
     my @participants=();      my @participants=();
     my $cutoff=time-60;      my $cutoff=time-60;
     $hashref = &tie_user_hash($cdom, $cname, 'nohist_inchatroom',      $hashref = &tie_user_hash($cdom, $cname, $namespace_inroom,
       &GDBM_WRCREAT());        &GDBM_WRCREAT());
     if ($hashref) {      if ($hashref) {
         $hashref->{$uname.':'.$udom}=time;          $hashref->{$uname.':'.$udom}=time;
Line 5657  sub get_chat { Line 5896  sub get_chat {
 }  }
   
 sub chat_add {  sub chat_add {
     my ($cdom,$cname,$newchat)=@_;      my ($cdom,$cname,$newchat,$group)=@_;
     my @entries=();      my @entries=();
     my $time=time;      my $time=time;
     my $hashref = &tie_user_hash($cdom, $cname, 'nohist_chatroom',      my $namespace = 'nohist_chatroom';
       my $logfile = 'chatroom.log';
       if (defined($group)) {
           $namespace .= '_'.$group;
           $logfile = 'chatroom_'.$group.'.log';
       }
       my $hashref = &tie_user_hash($cdom, $cname, $namespace,
  &GDBM_WRCREAT());   &GDBM_WRCREAT());
     if ($hashref) {      if ($hashref) {
  @entries=map { $_.':'.$hashref->{$_} } sort(keys(%$hashref));   @entries=map { $_.':'.$hashref->{$_} } sort(keys(%$hashref));
Line 5683  sub chat_add { Line 5928  sub chat_add {
  }   }
  {   {
     my $proname=&propath($cdom,$cname);      my $proname=&propath($cdom,$cname);
     if (open(CHATLOG,">>$proname/chatroom.log")) {       if (open(CHATLOG,">>$proname/$logfile")) { 
  print CHATLOG ("$time:".&unescape($newchat)."\n");   print CHATLOG ("$time:".&unescape($newchat)."\n");
     }      }
     close(CHATLOG);      close(CHATLOG);
Line 5958  sub convert_photo { Line 6203  sub convert_photo {
 sub sethost {  sub sethost {
     my ($remotereq) = @_;      my ($remotereq) = @_;
     my (undef,$hostid)=split(/:/,$remotereq);      my (undef,$hostid)=split(/:/,$remotereq);
       # ignore sethost if we are already correct
       if ($hostid eq $currenthostid) {
    return 'ok';
       }
   
     if (!defined($hostid)) { $hostid=$perlvar{'lonHostID'}; }      if (!defined($hostid)) { $hostid=$perlvar{'lonHostID'}; }
     if ($hostip{$perlvar{'lonHostID'}} eq $hostip{$hostid}) {      if ($hostip{$perlvar{'lonHostID'}} eq $hostip{$hostid}) {
  $currenthostid  =$hostid;   $currenthostid  =$hostid;
Removed from v.1.311  
changed lines
  Added in v.1.325

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