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Diff for /loncom/homework/lonhomework.pm between versions 1.150 and 1.160

version 1.150, 2003/09/19 20:29:29 version 1.160, 2004/01/15 03:44:01
Line 24 Line 24
 # /home/httpd/html/adm/gpl.txt  # /home/httpd/html/adm/gpl.txt
 #  #
 # http://www.lon-capa.org/  # http://www.lon-capa.org/
 #  
 # Guy Albertelli  
 # 11/30 Gerd Kortemeyer  
 # 6/1,8/17,8/18 Gerd Kortemeyer  
 # 7/18 Jeremy Bowers  
   
 package Apache::lonhomework;  package Apache::lonhomework;
 use strict;  use strict;
Line 147  sub send_footer { Line 143  sub send_footer {
   
 $Apache::lonxml::browse='';  $Apache::lonxml::browse='';
   
   sub check_ip_acc {
       my ($acc)=@_;
       if (!defined($acc) || $acc =~ /^\s*$/) { return 1; }
       my $allowed=0;
       my $ip=$ENV{'REMOTE_ADDR'};
       my $name;
       foreach my $pattern (split(',',$acc)) {
    if ($pattern =~ /\*$/) {
       #35.8.*
       $pattern=~s/\*//;
       if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }
    } elsif ($pattern =~ /(\d+\.\d+\.\d+)\.\[(\d+)-(\d+)\]$/) {    
       #35.8.3.[34-56]
       my $low=$2;
       my $high=$3;
       $pattern=$1;
       if ($ip =~ /^\Q$pattern\E/) { 
    my $last=(split(/\./,$ip))[3];
    if ($last <=$high && $last >=$low) { $allowed=1; }
       }
    } elsif ($pattern =~ /^\*/) {
       #*.msu.edu
       $pattern=~s/\*//;
       if (!defined($name)) {
    use Socket;
    my $netaddr=inet_aton($ip);
    ($name)=gethostbyaddr($netaddr,AF_INET);
       }
       if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }
    } elsif ($pattern =~ /\d+\.\d+\.\d+\.\d+/) {
       #127.0.0.1
       if ($ip =~ /^\Q$pattern\E/) { $allowed=1; }
    } else {
       #some.name.com
       if (!defined($name)) {
    use Socket;
    my $netaddr=inet_aton($ip);
    ($name)=gethostbyaddr($netaddr,AF_INET);
       }
       if ($name =~ /\Q$pattern\E$/i) { $allowed=1; }
    }
    if ($allowed) { last; }
       }
       return $allowed;
   }
 # JB, 9/24/2002: Any changes in this function may require a change  # JB, 9/24/2002: Any changes in this function may require a change
 # in lonnavmaps::resource::getDateStatus.  # in lonnavmaps::resource::getDateStatus.
 sub check_access {  sub check_access {
Line 168  sub check_access { Line 209  sub check_access {
   
     &Apache::lonxml::debug("checking for part :$id:");      &Apache::lonxml::debug("checking for part :$id:");
     &Apache::lonxml::debug("time:".time);      &Apache::lonxml::debug("time:".time);
       
       my $allowed=&check_ip_acc(&Apache::lonnet::EXT("resource.$id.acc"));
       if (!$allowed) {
    $status='INVALID_ACCESS';
    $date=&mt("can not be accessed from your location.");
    return($status,$date);
       }
   
     foreach $temp ("opendate","duedate","answerdate") {      foreach $temp ("opendate","duedate","answerdate") {
  $lastdate = $date;   $lastdate = $date;
  $date = &Apache::lonnet::EXT("resource.$id.$temp");   $date = &Apache::lonnet::EXT("resource.$id.$temp");
Line 307  sub setuppermissions { Line 356  sub setuppermissions {
 sub setupheader {  sub setupheader {
     my $request=$_[0];      my $request=$_[0];
     if ($ENV{'browser.mathml'}) {      if ($ENV{'browser.mathml'}) {
  $request->content_type('text/xml');   &Apache::loncommon::content_type($request,'text/xml');
     } else {      } else {
  $request->content_type('text/html');   &Apache::loncommon::content_type($request,'text/html');
     }      }
     $request->content_encoding('UTF-8');  
     if (!$Apache::lonxml::debug && ($ENV{'REQUEST_METHOD'} eq 'GET')) {      if (!$Apache::lonxml::debug && ($ENV{'REQUEST_METHOD'} eq 'GET')) {
  &Apache::loncommon::no_cache($request);   &Apache::loncommon::no_cache($request);
     }      }
Line 327  sub handle_save_or_undo { Line 375  sub handle_save_or_undo {
     my $filetmp =$file.".tmp";      my $filetmp =$file.".tmp";
     my $error=0;      my $error=0;
   
       &Apache::lonnet::correct_line_ends($result);
   
     if ($ENV{'form.Undo'} eq &mt('undo')) {      if ($ENV{'form.Undo'} eq &mt('undo')) {
  my $error=0;   my $error=0;
  if (!copy($file,$filetmp)) { $error=1; }   if (!copy($file,$filetmp)) { $error=1; }
Line 474  sub editxmlmode { Line 524  sub editxmlmode {
  &renderpage($request,$file);   &renderpage($request,$file);
     } else {      } else {
  my ($rows,$cols) = &Apache::edit::textarea_sizes(\$problem);   my ($rows,$cols) = &Apache::edit::textarea_sizes(\$problem);
  my $xml_help = Apache::loncommon::helpLatexCheatsheet("Problem_Editor_XML_Index",   my $xml_help = '<table><tr><td>'.
       "Problem Editing Help");      &Apache::loncommon::helpLatexCheatsheet("Problem_Editor_XML_Index",
       "Problem Editing Help").
       '</td><td>'.
          &Apache::loncommon::help_open_faq(5).
          &Apache::loncommon::help_open_bug('Authoring').'</td></tr></table>';
  if ($cols > 80) { $cols = 80; }   if ($cols > 80) { $cols = 80; }
  if ($cols < 70) { $cols = 70; }   if ($cols < 70) { $cols = 70; }
  if ($rows < 20) { $rows = 20; }   if ($rows < 20) { $rows = 20; }
Line 590  sub newproblem { Line 644  sub newproblem {
  &renderpage($request,$dest);   &renderpage($request,$dest);
     } else {      } else {
  my $url=$request->uri;   my $url=$request->uri;
    my $shownurl=$url;
    $shownurl=~s-^/~-/priv/-;
  my $dest = &Apache::lonnet::filelocation("",$request->uri);   my $dest = &Apache::lonnet::filelocation("",$request->uri);
  my $errormsg;   my $errormsg;
  if ($ENV{'form.newfile'}) {   if ($ENV{'form.newfile'}) {
     $errormsg='<p><font color="red">'.&mt('You did not select a template.').'</font></p>'."\n";      $errormsg='<p><font color="red">'.&mt('You did not select a template.').'</font></p>'."\n";
  }   }
  my $instructions;   my $instructions;
    my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);
  if ($templatelist) { $instructions=&mt(", select a template from the pull-down menu below.").'<br />'.&mt("Then");}   if ($templatelist) { $instructions=&mt(", select a template from the pull-down menu below.").'<br />'.&mt("Then");}
  my %lt=&Apache::lonlocal::texthash( 'create' => 'Creating a new',   my %lt=&Apache::lonlocal::texthash( 'create' => 'Creating a new',
   'resource' => 'resource',    'resource' => 'resource',
Line 606  sub newproblem { Line 663  sub newproblem {
   'Create' => 'Create',    'Create' => 'Create',
   'button' => 'button');    'button' => 'button');
  $request->print(<<ENDNEWPROBLEM);   $request->print(<<ENDNEWPROBLEM);
 <body bgcolor="#FFFFFF">  $bodytag
 <h1>$lt{'create'} $extension $lt{'resource'}</h1>  <h1>$lt{'create'} $extension $lt{'resource'}</h1>
 $errormsg  $errormsg
 $lt{'requested'} <tt>$url</tt> $lt{'not exist'}.  $lt{'requested'} <tt>$shownurl</tt> $lt{'not exist'}.
 <p>  <p>
 <b>$lt{'createnew'} $extension$instructions $lt{'click'} "$lt{'Create'} $extension" $lt{'button'}.</b>  <b>$lt{'createnew'} $extension$instructions $lt{'click'} "$lt{'Create'} $extension" $lt{'button'}.</b>
 </p>  </p>
Removed from v.1.150  
changed lines
  Added in v.1.160

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