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Up to [LON-CAPA] / loncom / publisher

More functionality

    1: # The LearningOnline Network with CAPA
    2: # Handler to rename files, etc, in construction space
    3: #
    4: # (Handler to retrieve an old version of a file
    5: #
    6: # (Publication Handler
    7: # 
    8: # (TeX Content Handler
    9: #
   10: # 05/29/00,05/30,10/11 Gerd Kortemeyer)
   11: #
   12: # 11/28,11/29,11/30,12/01,12/02,12/04,12/23 Gerd Kortemeyer
   13: # 03/23 Guy Albertelli
   14: # 03/24,03/29 Gerd Kortemeyer)
   15: #
   16: # 03/31,04/03,05/02,05/09,06/23 Gerd Kortemeyer)
   17: #
   18: # 06/23 Gerd Kortemeyer
   19: 
   20: package Apache::loncfile;
   21: 
   22: use strict;
   23: use Apache::File;
   24: use File::Copy;
   25: use Apache::Constants qw(:common :http :methods);
   26: use Apache::loncacc;
   27: 
   28: sub phaseone {
   29:     my ($r,$fn,$uname,$udom)=@_;
   30: 
   31:     $fn=~/(.*)\/([^\/]+)\.(\w+)$/;
   32:     my $dir=$1;
   33:     my $main=$2;
   34:     my $suffix=$3;
   35: 
   36:     my $conspace='/home/'.$uname.'/public_html'.$fn;
   37: 
   38:     $r->print('<form action=/adm/cfile method=post>'.
   39: 	      '<input type=hidden name=filename value="/~'.$uname.$fn.'">'.
   40:               '<input type=hidden name=phase value=two>'.
   41:               '<input type=hidden name=action value='.$ENV{'form.action'}.'>');
   42:     if ($ENV{'form.action'} eq 'rename') {
   43: 	if (-e $conspace) {
   44: 	    if ($ENV{'form.newfilename'}) {
   45:                $ENV{'form.newfilename'}=~/(.*)\/([^\/]+)\.(\w+)$/;
   46:                if ($3 ne $suffix) {
   47: 		   $r->print(
   48:                     '<p><font color=red>Warning: change of MIME type!</font>');
   49:                }
   50:                if (-e 
   51:        	         '/home/httpd/'.$uname.'/'.$dir.'/'.$ENV{'form.newfilename'}) {
   52: 		   $r->print(
   53:                     '<p><font color=red>Warning: target file exists!</font>');
   54:                }
   55: 	       $r->print('<p>Rename <tt>'.$fn.'</tt> to <tt>'.
   56:                          $dir.'/'.$ENV{'form.newfilename'}.'</tt>?');
   57: 	    } else {
   58: 	       $r->print('<p>No new filename specified.</form>');
   59:                return;
   60: 	    }
   61:         } else {
   62: 	    $r->print('<p>No such file.</form>');
   63:             return;
   64:         }
   65:     } elsif ($ENV{'form.action'} eq 'delete') { 
   66: 	if (-e $conspace) {
   67:             $r->print('<p>Delete <tt>'.$fn.'</tt>?');
   68:         } else {
   69: 	    $r->print('<p>No such file.</form>');
   70:             return;
   71:         }
   72:     } elsif ($ENV{'form.action'} eq 'copy') { 
   73: 	if (-e $conspace) {
   74: 	    if ($ENV{'form.newfilename'}) {
   75:                $ENV{'form.newfilename'}=~/(.*)\/([^\/]+)\.(\w+)$/;
   76:                if ($3 ne $suffix) {
   77: 		   $r->print(
   78:                     '<p><font color=red>Warning: change of MIME type!</font>');
   79:                }
   80:                if (-e 
   81:        	         '/home/httpd/'.$uname.'/'.$dir.'/'.$ENV{'form.newfilename'}) {
   82: 		   $r->print(
   83:                     '<p><font color=red>Warning: target file exists!</font>');
   84:                }
   85: 	       $r->print('<p>Copy <tt>'.$fn.'</tt> to <tt>'.
   86:                          $dir.'/'.$ENV{'form.newfilename'}.'</tt>?');
   87: 	    } else {
   88: 	       $r->print('<p>No new filename specified.</form>');
   89:                return;
   90: 	    }
   91:         } else {
   92: 	    $r->print('<p>No such file.</form>');
   93:             return;
   94:         }
   95:     } elsif ($ENV{'form.action'} eq 'newdir') {
   96: 	if (-e $conspace) {
   97:             $r->print('<p>Directory exists.</form>');
   98:             return;
   99:         }
  100:        
  101:     }
  102:     $r->print('<p><input type=submit value=Continue></form>'); 
  103: }
  104: 
  105: sub phasetwo {
  106:     my ($r,$fn,$uname,$udom)=@_;
  107:     if ($ENV{'form.action'} eq 'rename') {
  108:     } elsif ($ENV{'form.action'} eq 'delete') { 
  109:     } elsif ($ENV{'form.action'} eq 'copy') { 
  110:     } elsif ($ENV{'form.action'} eq 'newdir') {
  111:     } 
  112: }
  113: 
  114: sub handler {
  115: 
  116:   my $r=shift;
  117: 
  118:   my $fn;
  119: 
  120:   if ($ENV{'form.filename'}) {
  121:       $fn=$ENV{'form.filename'};
  122:       $fn=~s/^http\:\/\/[^\/]+//;
  123:   } else {
  124:      $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
  125:          ' unspecified filename for cfile', $r->filename); 
  126:      return HTTP_NOT_FOUND;
  127:   }
  128: 
  129:   unless ($fn) { 
  130:      $r->log_reason($ENV{'user.name'}.' at '.$ENV{'user.domain'}.
  131:          ' trying to cfile non-existing file', $r->filename); 
  132:      return HTTP_NOT_FOUND;
  133:   } 
  134: 
  135: # ----------------------------------------------------------- Start page output
  136:   my $uname;
  137:   my $udom;
  138: 
  139:   ($uname,$udom)=
  140:     &Apache::loncacc::constructaccess($fn,$r->dir_config('lonDefDomain'));
  141:   unless (($uname) && ($udom)) {
  142:      $r->log_reason($uname.' at '.$udom.
  143:          ' trying to publish file '.$ENV{'form.filename'}.
  144:          ' ('.$fn.') - not authorized', 
  145:          $r->filename); 
  146:      return HTTP_NOT_ACCEPTABLE;
  147:   }
  148: 
  149:   $fn=~s/\/\~(\w+)//;
  150: 
  151:   $r->content_type('text/html');
  152:   $r->send_http_header;
  153: 
  154:   $r->print('<html><head><title>LON-CAPA Construction Space</title></head>');
  155: 
  156:   $r->print(
  157:    '<body bgcolor="#FFFFFF"><img align=right src=/adm/lonIcons/lonlogos.gif>');
  158: 
  159:   
  160:   $r->print('<h1>Construction Space <tt>'.$fn.'</tt></h1>');
  161:   
  162:   if (($uname ne $ENV{'user.name'}) || ($udom ne $ENV{'user.domain'})) {
  163:           $r->print('<h3><font color=red>Co-Author: '.$uname.' at '.$udom.
  164:                '</font></h3>');
  165:   }
  166: 
  167:   if ($ENV{'form.action'} eq 'delete') {
  168:       $r->print('<h3>Delete</h3>');
  169:   } elsif ($ENV{'form.action'} eq 'rename') {
  170:       $r->print('<h3>Rename</h3>');
  171:   } elsif ($ENV{'form.action'} eq 'newdir') {
  172:       $r->print('<h3>New Directory</h3>');
  173:   } elsif ($ENV{'form.action'} eq 'copy') {
  174:       $r->print('<h3>Copy</h3>');
  175:   } else {
  176:      $r->print('<p>Unknown Action</body></html>');
  177:      return OK;  
  178:   }
  179:   if ($ENV{'form.phase'} eq 'two') {
  180: #      &phasetwo($r,$fn,$uname,$udom);
  181:   } else {
  182:       &phaseone($r,$fn,$uname,$udom);
  183:   }
  184: 
  185:   $r->print('</body></html>');
  186:   return OK;  
  187: }
  188: 
  189: 1;
  190: __END__