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Remove newlines at the end of non-file form fields

    1: # The LearningOnline Network
    2: # Cookie Based Access Handler for Construction Area
    3: # (lonacc: 5/21/99,5/22,5/29,5/31 Gerd Kortemeyer)
    4: # 6/15,16/11,22/11,
    5: # 01/06,01/11,6/1,9/25,9/28,11/22,12/25,12/26 Gerd Kortemeyer
    6: 
    7: package Apache::loncacc;
    8: 
    9: use strict;
   10: use Apache::Constants qw(:common :http :methods);
   11: use Apache::File;
   12: use CGI::Cookie();
   13: 
   14: sub handler {
   15:     my $r = shift;
   16:     my $requrl=$r->uri;
   17:     my %cookies=CGI::Cookie->parse($r->header_in('Cookie'));
   18:     my $lonid=$cookies{'lonID'};
   19:     my $cookie;
   20:     if ($lonid) {
   21: 	my $handle=$lonid->value;
   22:         $handle=~s/\W//g;
   23:         my $lonidsdir=$r->dir_config('lonIDsDir');
   24:         if ((-e "$lonidsdir/$handle.id") && ($handle ne '')) {
   25:             my $ownername=$requrl;
   26:             $ownername=~s/\/(?:\~|priv\/)(\w+).*/\1/;
   27:             my $ownerdomain=$r->dir_config('lonDefDomain');
   28:             my @handleparts=split(/\_/,$handle);
   29:             my $username=$handleparts[0];
   30:             my $domain=$handleparts[2];
   31:             if (($username ne $ownername) || ($domain ne $ownerdomain)) {
   32:                 $r->log_reason
   33:                    ("$username at $domain not authorized", $r->filename); 
   34: 	        return HTTP_NOT_ACCEPTABLE;
   35:             }
   36:             my @profile;
   37: 	    {
   38:              my $idf=Apache::File->new("$lonidsdir/$handle.id");
   39:              @profile=<$idf>;
   40: 	    }
   41:             my $envi;
   42:             for ($envi=0;$envi<=$#profile;$envi++) {
   43: 		chomp($profile[$envi]);
   44: 		my ($envname,$envvalue)=split(/=/,$profile[$envi]);
   45:                 $ENV{$envname} = $envvalue;
   46:             }
   47:             $ENV{'user.environment'} = "$lonidsdir/$handle.id";
   48:             $ENV{'request.state'}    = "construct";
   49:             $ENV{'request.filename'} = $r->filename;
   50: 
   51: # -------------------------------------------------------- Load POST parameters
   52: 
   53: 
   54:         my $buffer;
   55: 
   56:         $r->read($buffer,$r->header_in('Content-length'));
   57: 
   58: 	unless ($buffer=~/^(\-+\w+)\s+Content\-Disposition\:\s*form\-data/si) {
   59:             my @pairs=split(/&/,$buffer);
   60:             my $pair;
   61:             foreach $pair (@pairs) {
   62:                my ($name,$value) = split(/=/,$pair);
   63:                $value =~ tr/+/ /;
   64:                $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
   65:                $name  =~ tr/+/ /;
   66:                $name  =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
   67:                $ENV{"form.$name"}=$value;
   68:             } 
   69:         } else {
   70: 	    my $contentsep=$1;
   71:             my @lines = split (/\n/,$buffer);
   72:             my $name='';
   73:             my $value='';
   74:             my $fname='';
   75:             my $fmime='';
   76:             my $i;
   77:             for ($i=0;$i<=$#lines;$i++) {
   78: 		if ($lines[$i]=~/^$contentsep/) {
   79: 		    if ($name) {
   80:                         chomp($value);
   81: 			if ($fname) {
   82: 			    $ENV{"form.$name.filename"}=$fname;
   83:                             $ENV{"form.$name.mimetype"}=$fmime;
   84:                         } else {
   85:                             $value=~s/\s+$//s;
   86:                         }
   87:                         $ENV{"form.$name"}=$value;
   88:                     }
   89:                     if ($i<$#lines) {
   90: 			$i++;
   91:                         $lines[$i]=~
   92: 		 /Content\-Disposition\:\s*form\-data\;\s*name\=\"([^\"]+)\"/i;
   93:                         $name=$1;
   94:                         $value='';
   95:                         if ($lines[$i]=~/filename\=\"([^\"]+)\"/i) {
   96: 			   $fname=$1;
   97:                            if 
   98:                             ($lines[$i+1]=~/Content\-Type\:\s*([\w\-\/]+)/i) {
   99: 			      $fmime=$1;
  100:                               $i++;
  101: 			   } else {
  102:                               $fmime='';
  103:                            }
  104:                         } else {
  105: 			    $fname='';
  106:                             $fmime='';
  107:                         }
  108:                         $i++;
  109:                     }
  110:                 } else {
  111: 		    $value.=$lines[$i]."\n";
  112:                 }
  113:             }
  114: 	}
  115:             $r->method_number(M_GET);
  116: 	    $r->method('GET');
  117:             $r->headers_in->unset('Content-length');
  118: 
  119:             return OK; 
  120:         } else { 
  121:             $r->log_reason("Cookie $handle not valid", $r->filename) 
  122:         };
  123:     }
  124: 
  125: # ----------------------------------------------- Store where they wanted to go
  126: 
  127:     $ENV{'request.firsturl'}=$requrl;
  128:     return FORBIDDEN;
  129: }
  130: 
  131: 1;
  132: __END__
  133: 
  134: 
  135: 
  136: 
  137: 
  138: 
  139: 
  140: